R10: 0000000000000640 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003
 </TASK>
==================================================================
BUG: KASAN: slab-use-after-free in flush_tlb_func+0x24d/0x560
Write of size 8 at addr ffff88803b078980 by task syz-executor.0/39817

CPU: 0 UID: 0 PID: 39817 Comm: syz-executor.0 Not tainted 6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <IRQ>
 dump_stack_lvl+0xca/0x120
 print_report+0xcb/0x670
 kasan_report+0xca/0x100
 kasan_check_range+0x37/0x1a0
 flush_tlb_func+0x24d/0x560
 __flush_smp_call_function_queue+0x20d/0x740
 __sysvec_call_function_single+0x6d/0x360
 sysvec_call_function_single+0x5f/0xc0
 asm_sysvec_call_function_single+0x1a/0x20
RIP: 0010:handle_softirqs+0x174/0x770
Code: c8 83 83 3c 0a 00 00 01 c7 44 24 20 0a 00 00 00 48 89 44 24 18 65 66 c7 05 cf 84 47 06 00 00 e8 22 65 40 00 fb bb ff ff ff ff <48> c7 c5 c0 c0 a0 85 41 0f bc de 83 c3 01 0f 85 9b 00 00 00 e9 8d
RSP: 0018:ffff88806ce08f78 EFLAGS: 00000202
RAX: 000000000000011a RBX: 00000000ffffffff RCX: 0000000000000004
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff813b5b6e
RBP: ffff88802e90f958 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff86438657 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000282 R15: 0000000000000000
 __irq_exit_rcu+0xc4/0x100
 irq_exit_rcu+0x9/0x20
 sysvec_apic_timer_interrupt+0x70/0x80
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:dump_stack_lvl+0x115/0x120
Code: fc ff ff 4c 89 e2 31 f6 31 ff e8 e6 50 7b fc e8 d1 07 a5 fc 48 89 ee 31 ff e8 d7 a5 c4 fc e8 72 aa c4 fc e8 7d d4 cc fc fb 5b <5d> 41 5c e9 63 aa c4 fc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffff88802e90fa00 EFLAGS: 00000206
RAX: 0000000000000117 RBX: ffffffff85e96520 RCX: 0000000000000040
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84aeec13
RBP: 0000000000000200 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff86438657 R11: 0000000000000001 R12: ffffffff8530f500
R13: ffffffff85e96530 R14: 0000000000000000 R15: 0000000000000000
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020010300 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000640 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003
 </TASK>

Allocated by task 28163:
 kasan_save_stack+0x24/0x50
 kasan_save_track+0x14/0x30
 __kasan_slab_alloc+0x59/0x70
 kmem_cache_alloc_noprof+0x13e/0x470
 copy_process+0x6f3a/0x73e0
 kernel_clone+0xea/0x820
 __do_sys_clone+0xce/0x120
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 39815:
 kasan_save_stack+0x24/0x50
 kasan_save_track+0x14/0x30
 kasan_save_free_info+0x3c/0x90
 __kasan_slab_free+0x3c/0x60
 kmem_cache_free+0x2a5/0x460
 mmput+0x305/0x390
 do_exit+0x79d/0x2970
 do_group_exit+0xd3/0x2a0
 get_signal+0x2315/0x2340
 arch_do_signal_or_restart+0x80/0x790
 exit_to_user_mode_loop+0x8b/0x100
 do_syscall_64+0x2f7/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88803b078000
 which belongs to the cache mm_struct of size 2456
The buggy address is located 2432 bytes inside of
 freed 2456-byte region [ffff88803b078000, ffff88803b078998)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3b078
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff88802f401381
flags: 0x100000000000040(head|node=0|zone=1)
page_type: f5(slab)
raw: 0100000000000040 ffff888008c4bc80 ffffea0000e07a00 dead000000000002
raw: 0000000000000000 00000000000c000c 00000000f5000000 ffff88802f401381
head: 0100000000000040 ffff888008c4bc80 ffffea0000e07a00 dead000000000002
head: 0000000000000000 00000000000c000c 00000000f5000000 ffff88802f401381
head: 0100000000000003 ffffea0000ec1e01 00000000ffffffff 00000000ffffffff
head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88803b078880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88803b078900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88803b078980: fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc
                   ^
 ffff88803b078a00: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
 ffff88803b078a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 39834 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020010400 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
 </TASK>
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 39838 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_failslab+0xc2/0x120
 kmem_cache_alloc_noprof+0x5f/0x470
 alloc_empty_file+0x58/0x1e0
 alloc_file_pseudo+0x12b/0x220
 __shmem_file_setup+0x1a7/0x370
 alloc_file+0x11c/0x500
 __x64_sys_memfd_create+0x193/0x280
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f387bb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f30f0df0f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f30f387bb19
RDX: 0000000000120000 RSI: 0000000000000000 RDI: 00007f30f38d50fb
RBP: 0000000000000028 R08: 0000000000090000 R09: ffffffffffffffff
R10: 0000000000000028 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000200000 R15: 0000000020014d00
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 39854 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000820 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000c00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 39865 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000820 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000c00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
 </TASK>
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 39866 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_failslab+0xc2/0x120
 kmem_cache_alloc_noprof+0x5f/0x470
 alloc_empty_file+0x58/0x1e0
 alloc_file_pseudo+0x12b/0x220
 __shmem_file_setup+0x1a7/0x370
 alloc_file+0x11c/0x500
 __x64_sys_memfd_create+0x193/0x280
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab4adb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f82a8a22f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f82ab4adb19
RDX: 0000000000014000 RSI: 0000000000000000 RDI: 00007f82ab5070fb
RBP: 0000000000000018 R08: 000000000000a000 R09: ffffffffffffffff
R10: 0000000000000018 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000040000 R15: 0000000020012c00
 </TASK>
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 39868 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_failslab+0xc2/0x120
 kmem_cache_alloc_noprof+0x5f/0x470
 security_file_alloc+0x35/0x130
 init_file+0x95/0x4c0
 alloc_empty_file+0x76/0x1e0
 alloc_file_pseudo+0x12b/0x220
 __shmem_file_setup+0x1a7/0x370
 alloc_file+0x11c/0x500
 __x64_sys_memfd_create+0x193/0x280
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f387bb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f30f0df0f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f30f387bb19
RDX: 0000000000120000 RSI: 0000000000000000 RDI: 00007f30f38d50fb
RBP: 0000000000000028 R08: 0000000000090000 R09: ffffffffffffffff
R10: 0000000000000028 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000200000 R15: 0000000020014d00
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 39912 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000820 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000c00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
 </TASK>
CPU: 1 UID: 0 PID: 39907 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_failslab+0xc2/0x120
 kmem_cache_alloc_noprof+0x5f/0x470
 security_file_alloc+0x35/0x130
 init_file+0x95/0x4c0
 alloc_empty_file+0x76/0x1e0
 alloc_file_pseudo+0x12b/0x220
 __shmem_file_setup+0x1a7/0x370
 alloc_file+0x11c/0x500
 __x64_sys_memfd_create+0x193/0x280
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab4adb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f82a8a22f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f82ab4adb19
RDX: 0000000000014000 RSI: 0000000000000000 RDI: 00007f82ab5070fb
RBP: 0000000000000018 R08: 000000000000a000 R09: ffffffffffffffff
R10: 0000000000000018 R11: 0000000000000246 R12: 0000000008100000
R13: 0000000020000100 R14: 0000000000040000 R15: 0000000020012c00
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 39918 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000040 RSI: 0000000020010e00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001500 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 39922 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 00000000000000c0 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 39931 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020010f00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001580 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 39934 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 00000000000000c0 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 39946 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 00000000000000c0 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 39949 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 00000000000000a0 RSI: 0000000020011000 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001600 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008
 </TASK>
CPU: 1 UID: 0 PID: 39947 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 00000000000000c0 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
 </TASK>
No source specified
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 39958 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
No source specified
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 00000000000000a0 RSI: 0000000020011100 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001700 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002d8 R15: 0000000000000009
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 39966 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 0000000000000040 RSI: 0000000020010100 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000004e0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 39971 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000040 RSI: 0000000020011200 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001e00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002f0 R15: 000000000000000a
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 39973 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000000040 RSI: 0000000020010100 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000004e0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001
 </TASK>
No source specified
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 39979 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020011300 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001e80 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000308 R15: 000000000000000b
 </TASK>
No source specified
No source specified
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 39992 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 00000000000000a0 RSI: 0000000020011400 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001f00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000320 R15: 000000000000000c
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 39998 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 0000000000000040 RSI: 0000000020010200 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000540 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40000 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 00000000000000a0 RSI: 0000000020011500 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000338 R15: 000000000000000d
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40004 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000000040 RSI: 0000000020010200 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000540 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40007 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 00000000000000a0 RSI: 0000000020011500 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000338 R15: 000000000000000d
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40011 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000000020 RSI: 0000000020010300 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000640 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40015 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 0000000000000020 RSI: 0000000020010300 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40017 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 00000000000000a0 RSI: 0000000020011600 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002100 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000350 R15: 000000000000000e
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40024 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 00000000000001a0 RSI: 0000000020011700 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002200 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000368 R15: 000000000000000f
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40037 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000000020 RSI: 0000000020010400 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40042 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 00000000000000a0 RSI: 0000000020011900 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000380 R15: 0000000000000010
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40050 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 0000000000001020 RSI: 0000000020010400 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40053 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000080 RSI: 0000000020011a00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000398 R15: 0000000000000011
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40061 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000080 RSI: 0000000020011a00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000398 R15: 0000000000000011
 </TASK>
tmpfs: Bad value for 'mpol'
tmpfs: Bad value for 'mpol'
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40073 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020011b00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200003b0 R15: 0000000000000012
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40079 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000000020 RSI: 0000000020010400 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40085 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020011b00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200003b0 R15: 0000000000000012
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40096 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020011c00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200003c8 R15: 0000000000000013
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40100 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020011d00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200003e0 R15: 0000000000000014
 </TASK>
journal_path: Non-blockdev passed as './file0'
EXT4-fs: error: could not find journal device path
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40106 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020011e00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000008c00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200003f8 R15: 0000000000000015
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40111 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000002020 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
 </TASK>
journal_path: Non-blockdev passed as './file0'
EXT4-fs: error: could not find journal device path
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40114 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 0000000000001020 RSI: 0000000020010400 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40119 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020011f00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000009000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000410 R15: 0000000000000016
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40123 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 0000000000001020 RSI: 0000000020010400 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40126 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000002020 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40134 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020011f00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000009000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000410 R15: 0000000000000016
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40138 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 0000000000001020 RSI: 0000000020010400 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40142 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012000 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000009400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000428 R15: 0000000000000017
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40149 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000002020 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40155 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012100 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000009800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000440 R15: 0000000000000018
 </TASK>
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40168 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 0000000000000040 RSI: 0000000020011500 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002200 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40173 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012200 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000009c00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000458 R15: 0000000000000019
 </TASK>
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40180 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012300 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000a000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000470 R15: 000000000000001a
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40189 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 0000000000000020 RSI: 0000000020011600 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002280 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40188 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000002020 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40196 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012300 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000a000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000470 R15: 000000000000001a
 </TASK>
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40206 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012400 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000a400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000488 R15: 000000000000001b
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40209 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 00000000000000c0 RSI: 0000000020011700 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000003400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40215 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012500 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000a800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200004a0 R15: 000000000000001c
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40221 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 00000000000000c0 RSI: 0000000020011700 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000003400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40227 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000002020 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
 </TASK>
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40235 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012600 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000ac00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200004b8 R15: 000000000000001d
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40241 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 00000000000000c0 RSI: 0000000020011800 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000003600 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008
 </TASK>
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40251 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000002020 RSI: 0000000020010500 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000002000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40252 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012700 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000c000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200004d0 R15: 000000000000001e
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40256 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 00000000000000a0 RSI: 0000000020011900 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000003800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002d8 R15: 0000000000000009
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40255 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012700 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000c000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200004d0 R15: 000000000000001e
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40262 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012800 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000c400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200004e8 R15: 000000000000001f
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40268 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 00000000000000a0 RSI: 0000000020011a00 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000003a00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002f0 R15: 000000000000000a
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40273 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012900 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000c800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000500 R15: 0000000000000020
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40277 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000000040 RSI: 0000000020012600 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004100 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000290 R15: 0000000000000006
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40284 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012a00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000cc00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000518 R15: 0000000000000021
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40286 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 0000000000000100 RSI: 0000000020011b00 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000003c00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000308 R15: 000000000000000b
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40293 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012b00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000d000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000530 R15: 0000000000000022
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40304 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012b00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000d000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000530 R15: 0000000000000022
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40305 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000000020 RSI: 0000000020012700 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004180 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002a8 R15: 0000000000000007
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40306 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 00000000000000c0 RSI: 0000000020011c00 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000003de0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000320 R15: 000000000000000c
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40309 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000060 RSI: 0000000020012c00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 000000000000d400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000548 R15: 0000000000000023
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40319 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012d00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000010000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000560 R15: 0000000000000024
 </TASK>
program syz-executor.1 is using a deprecated SCSI ioctl, please convert it to SG_IO
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40332 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012d00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000010000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000560 R15: 0000000000000024
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40334 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 00000000000000c0 RSI: 0000000020011d00 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000338 R15: 000000000000000d
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40336 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000000040 RSI: 0000000020012800 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004200 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002c0 R15: 0000000000000008
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40339 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012e00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000010400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000578 R15: 0000000000000025
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40349 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020012f00 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000010800 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000590 R15: 0000000000000026
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40356 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 00000000000000c0 RSI: 0000000020011d00 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000338 R15: 000000000000000d
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40359 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020013000 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000010c00 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200005a8 R15: 0000000000000027
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40368 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000000020 RSI: 0000000020012900 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004280 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002d8 R15: 0000000000000009
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40374 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_fail_alloc_page+0xe0/0x110
 prepare_alloc_pages+0x1af/0x500
 __alloc_frozen_pages_noprof+0x17f/0x1f10
 alloc_pages_mpol+0xed/0x340
 folio_alloc_mpol_noprof+0x38/0x2a0
 shmem_alloc_folio+0x11b/0x140
 shmem_get_folio_gfp.constprop.0+0x4ea/0x13a0
 shmem_write_begin+0x147/0x2e0
 generic_perform_write+0x3a4/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020013100 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000011000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200005c0 R15: 0000000000000028
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40383 Comm: syz-executor.5 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82ab460ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f82a8a22f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f82ab4f7970 RCX: 00007f82ab460ab7
RDX: 0000000000000040 RSI: 0000000020011e00 RDI: 0000000000000004
RBP: 0000000000000018 R08: 0000000000000000 R09: ffffffffffffffff
R10: 00000000000041c0 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000350 R15: 000000000000000e
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 40384 Comm: syz-executor.0 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29e4dd8ab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f29e239af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f29e4e6f970 RCX: 00007f29e4dd8ab7
RDX: 0000000000000020 RSI: 0000000020013100 RDI: 0000000000000004
RBP: 000000000000002e R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000011000 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200005c0 R15: 0000000000000028
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 40385 Comm: syz-executor.4 Tainted: G    B               6.16.0-rc4-next-20250701 #1 PREEMPT(voluntary) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 copy_folio_from_iter_atomic+0x3d3/0x1820
 generic_perform_write+0x1e9/0x820
 shmem_file_write_iter+0x111/0x140
 vfs_write+0xbe9/0x10c0
 __x64_sys_pwrite64+0x1f1/0x260
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30f382eab7
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f30f0df0f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f30f38c5970 RCX: 00007f30f382eab7
RDX: 0000000000000040 RSI: 0000000020012a00 RDI: 0000000000000004
RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000004300 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 00000000200002f0 R15: 000000000000000a
 </TASK>
----------------
Code disassembly (best guess):
   0:	c8 83 83 3c          	enterq $0x8383,$0x3c
   4:	0a 00                	or     (%rax),%al
   6:	00 01                	add    %al,(%rcx)
   8:	c7 44 24 20 0a 00 00 	movl   $0xa,0x20(%rsp)
   f:	00
  10:	48 89 44 24 18       	mov    %rax,0x18(%rsp)
  15:	65 66 c7 05 cf 84 47 	movw   $0x0,%gs:0x64784cf(%rip)        # 0x64784ee
  1c:	06 00 00
  1f:	e8 22 65 40 00       	callq  0x406546
  24:	fb                   	sti
  25:	bb ff ff ff ff       	mov    $0xffffffff,%ebx
* 2a:	48 c7 c5 c0 c0 a0 85 	mov    $0xffffffff85a0c0c0,%rbp <-- trapping instruction
  31:	41 0f bc de          	bsf    %r14d,%ebx
  35:	83 c3 01             	add    $0x1,%ebx
  38:	0f 85 9b 00 00 00    	jne    0xd9
  3e:	e9                   	.byte 0xe9
  3f:	8d                   	.byte 0x8d