R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff0f7977af R14: 00007faaabc58300 R15: 0000000000022000
FAT-fs (loop7): Unrecognized mount option "euid=00000000000000000000" or missing value
 </TASK>
general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 PID: 12876 Comm: syz-executor.5 Not tainted 6.3.0-rc6-next-20230413 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:folio_wait_stable+0x23/0xe0
Code: 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 fd 53 e8 62 58 e7 ff 48 8d 7d 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a4 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b
RSP: 0018:ffff888044e179f0 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: ffff888047ae2a50 RCX: ffffc9000f642000
RDX: 0000000000000001 RSI: ffffffff81646e3e RDI: 000000000000000c
RBP: fffffffffffffff4 R08: 0000000000000001 R09: ffffffff856c1213
R10: fffffbfff0ad8242 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888047ae2c78 R14: 0000000000000000 R15: 0000000000000000
FS:  00007faaabc58700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001180 CR3: 000000000e0d6000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 ext4_da_write_begin+0x38d/0x830
 generic_perform_write+0x25a/0x580
 ext4_buffered_write_iter+0x164/0x460
 ext4_file_write_iter+0x3ff/0x1950
 vfs_write+0x9b5/0xdc0
 ksys_write+0x12b/0x260
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7faaae6e2b19
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:00007faaabc58188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007faaae7f5f60 RCX: 00007faaae6e2b19
RDX: 0000000000000220 RSI: 0000000020001180 RDI: 0000000000000005
RBP: 00007faaabc581d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff0f7977af R14: 00007faaabc58300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:folio_wait_stable+0x23/0xe0
Code: 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 fd 53 e8 62 58 e7 ff 48 8d 7d 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a4 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b
RSP: 0018:ffff888044e179f0 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: ffff888047ae2a50 RCX: ffffc9000f642000
RDX: 0000000000000001 RSI: ffffffff81646e3e RDI: 000000000000000c
RBP: fffffffffffffff4 R08: 0000000000000001 R09: ffffffff856c1213
R10: fffffbfff0ad8242 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888047ae2c78 R14: 0000000000000000 R15: 0000000000000000
FS:  00007faaabc58700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001180 CR3: 000000000e0d6000 CR4: 0000000000350ee0
FAT-fs (loop6): Unrecognized mount option "euid=00000000000000000000" or missing value
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 12891 Comm: syz-executor.2 Tainted: G      D            6.3.0-rc6-next-20230413 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xc1/0xf0
 should_fail_ex+0x4b4/0x5b0
 strncpy_from_user+0x38/0x3f0
 getname_flags.part.0+0x95/0x4f0
 getname+0x92/0xe0
 do_sys_openat2+0xf9/0x4c0
 __x64_sys_openat+0x143/0x200
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f495a37ab19
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:00007f49578f0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f495a48df60 RCX: 00007f495a37ab19
RDX: 0000000000002600 RSI: 00000000200001c0 RDI: ffffffffffffff9c
RBP: 00007f49578f01d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffe10464ef R14: 00007f49578f0300 R15: 0000000000022000
 </TASK>
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 12898 Comm: syz-executor.4 Tainted: G      D            6.3.0-rc6-next-20230413 #1
FAT-fs (loop7): Unrecognized mount option "euid=00000000000000000000" or missing value
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xc1/0xf0
 should_fail_ex+0x4b4/0x5b0
 should_failslab+0x9/0x20
 kmem_cache_alloc+0x5a/0x390
 __alloc_file+0x21/0x240
 alloc_empty_file+0x71/0x190
 path_openat+0xd8/0x2750
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
 do_filp_open+0x1ba/0x410
 do_sys_openat2+0x171/0x4c0
 __x64_sys_openat+0x143/0x200
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f81ef109b19
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:00007f81ec67f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f81ef21cf60 RCX: 00007f81ef109b19
RDX: 0000000000002600 RSI: 00000000200001c0 RDI: ffffffffffffff9c
RBP: 00007f81ec67f1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff76b6548f R14: 00007f81ec67f300 R15: 0000000000022000
 </TASK>
CPU: 1 PID: 12899 Comm: syz-executor.1 Tainted: G      D            6.3.0-rc6-next-20230413 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xc1/0xf0
 should_fail_ex+0x4b4/0x5b0
 strncpy_from_user+0x38/0x3f0
 getname_flags.part.0+0x95/0x4f0
 getname+0x92/0xe0
 do_sys_openat2+0xf9/0x4c0
 __x64_sys_openat+0x143/0x200
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fe601e7ab19
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:00007fe5ff3f0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fe601f8df60 RCX: 00007fe601e7ab19
RDX: 0000000000002600 RSI: 00000000200001c0 RDI: ffffffffffffff9c
RBP: 00007fe5ff3f01d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff2e90131f R14: 00007fe5ff3f0300 R15: 0000000000022000
 </TASK>
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 12905 Comm: syz-executor.3 Tainted: G      D            6.3.0-rc6-next-20230413 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xc1/0xf0
 should_fail_ex+0x4b4/0x5b0
 strncpy_from_user+0x38/0x3f0
 getname_flags.part.0+0x95/0x4f0
 getname+0x92/0xe0
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
 do_sys_openat2+0xf9/0x4c0
 __x64_sys_openat+0x143/0x200
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fbdab428b19
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:00007fbda899e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fbdab53bf60 RCX: 00007fbdab428b19
RDX: 0000000000002600 RSI: 00000000200001c0 RDI: ffffffffffffff9c
RBP: 00007fbda899e1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffed39a89ef R14: 00007fbda899e300 R15: 0000000000022000
 </TASK>
CPU: 0 PID: 12904 Comm: syz-executor.6 Tainted: G      D            6.3.0-rc6-next-20230413 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xc1/0xf0
 should_fail_ex+0x4b4/0x5b0
 prepare_alloc_pages+0x178/0x500
 __alloc_pages+0x149/0x480
 alloc_pages+0x1a0/0x260
 filemap_alloc_folio+0x374/0x410
 __filemap_get_folio+0x285/0x8d0
 ext4_da_write_begin+0x374/0x830
 generic_perform_write+0x25a/0x580
 ext4_buffered_write_iter+0x164/0x460
 ext4_file_write_iter+0x3ff/0x1950
 vfs_write+0x9b5/0xdc0
 ksys_write+0x12b/0x260
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f101da90b19
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:00007f101b006188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f101dba3f60 RCX: 00007f101da90b19
RDX: 0000000000000220 RSI: 0000000020001180 RDI: 0000000000000005
RBP: 00007f101b0061d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff1a72256f R14: 00007f101b006300 R15: 0000000000022000
 </TASK>
general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#2] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 12904 Comm: syz-executor.6 Tainted: G      D            6.3.0-rc6-next-20230413 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:folio_wait_stable+0x23/0xe0
Code: 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 fd 53 e8 62 58 e7 ff 48 8d 7d 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a4 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b
RSP: 0018:ffff888043ac79f0 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: ffff88801bc76fa8 RCX: ffffc90003de6000
RDX: 0000000000000001 RSI: ffffffff81646e3e RDI: 000000000000000c
RBP: fffffffffffffff4 R08: 0000000000000001 R09: ffffffff856c1213
R10: fffffbfff0ad8242 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88801bc771d0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f101b006700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001180 CR3: 000000004436c000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ext4_da_write_begin+0x38d/0x830
 generic_perform_write+0x25a/0x580
 ext4_buffered_write_iter+0x164/0x460
 ext4_file_write_iter+0x3ff/0x1950
 vfs_write+0x9b5/0xdc0
 ksys_write+0x12b/0x260
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f101da90b19
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:00007f101b006188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f101dba3f60 RCX: 00007f101da90b19
RDX: 0000000000000220 RSI: 0000000020001180 RDI: 0000000000000005
RBP: 00007f101b0061d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff1a72256f R14: 00007f101b006300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:folio_wait_stable+0x23/0xe0
Code: 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 fd 53 e8 62 58 e7 ff 48 8d 7d 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a4 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b
RSP: 0018:ffff888044e179f0 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: ffff888047ae2a50 RCX: ffffc9000f642000
RDX: 0000000000000001 RSI: ffffffff81646e3e RDI: 000000000000000c
RBP: fffffffffffffff4 R08: 0000000000000001 R09: ffffffff856c1213
R10: fffffbfff0ad8242 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888047ae2c78 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f101b006700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001180 CR3: 000000004436c000 CR4: 0000000000350ef0
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
FAT-fs (loop5): Unrecognized mount option "euid=00000000000000000000" or missing value
CPU: 0 PID: 12918 Comm: syz-executor.0 Tainted: G      D            6.3.0-rc6-next-20230413 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xc1/0xf0
 should_fail_ex+0x4b4/0x5b0
 strncpy_from_user+0x38/0x3f0
 getname_flags.part.0+0x95/0x4f0
 getname+0x92/0xe0
 do_sys_openat2+0xf9/0x4c0
 __x64_sys_openat+0x143/0x200
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fd35a8a2b19
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:00007fd357e18188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fd35a9b5f60 RCX: 00007fd35a8a2b19
RDX: 0000000000002600 RSI: 00000000200001c0 RDI: ffffffffffffff9c
RBP: 00007fd357e181d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc7b3f1b1f R14: 00007fd357e18300 R15: 0000000000022000
 </TASK>
FAT-fs (loop7): Unrecognized mount option "euid=00000000000000000000" or missing value
FAT-fs (loop6): Unrecognized mount option "euid=00000000000000000000" or missing value
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 12925 Comm: syz-executor.2 Tainted: G      D            6.3.0-rc6-next-20230413 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xc1/0xf0
 should_fail_ex+0x4b4/0x5b0
 should_failslab+0x9/0x20
 kmem_cache_alloc+0x5a/0x390
 __alloc_file+0x21/0x240
 alloc_empty_file+0x71/0x190
 path_openat+0xd8/0x2750
 do_filp_open+0x1ba/0x410
 do_sys_openat2+0x171/0x4c0
 __x64_sys_openat+0x143/0x200
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f495a37ab19
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:00007f49578f0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f495a48df60 RCX: 00007f495a37ab19
RDX: 0000000000002600 RSI: 00000000200001c0 RDI: ffffffffffffff9c
RBP: 00007f49578f01d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffe10464ef R14: 00007f49578f0300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	f3 0f 1e fa          	endbr64
   b:	55                   	push   %rbp
   c:	48 89 fd             	mov    %rdi,%rbp
   f:	53                   	push   %rbx
  10:	e8 62 58 e7 ff       	callq  0xffe75877
  15:	48 8d 7d 18          	lea    0x18(%rbp),%rdi
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 a4 00 00 00    	jne    0xd8
  34:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  3b:	fc ff df
  3e:	48                   	rex.W
  3f:	8b                   	.byte 0x8b