loop6: detected capacity change from 0 to 9
FAT-fs (loop6): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop6): FAT read failed (blocknr 32)
unregister_netdevice: waiting for lo to become free. Usage count = 0
loop6: detected capacity change from 0 to 9
vfat: Unknown parameter 'tmpfs'
I/O error, dev loop7, sector 64 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
isofs_fill_super: bread failed, dev=loop7, iso_blknum=16, block=32
kmemleak: Found object by alias at 0x607f1a639b94
CPU: 1 UID: 0 PID: 4047 Comm: syz-executor.3 Tainted: G        W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xca/0x120
 __lookup_object+0x94/0xb0
 delete_object_full+0x27/0x70
 free_percpu+0x30/0x1160
 futex_hash_free+0x38/0xc0
 mmput+0x2d3/0x390
 do_exit+0x79d/0x2970
 do_group_exit+0xd3/0x2a0
 __x64_sys_exit_group+0x3e/0x50
 x64_sys_call+0x18c5/0x18d0
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f79b95a8b19
Code: Unable to access opcode bytes at 0x7f79b95a8aef.
RSP: 002b:00007ffdd98b1f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f79b95a8b19
RDX: 00007f79b955b72b RSI: ffffffffffffffbc RDI: 0000000000000000
RBP: 0000000000000000 R08: 00007f79b96c0fe0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000001 R15: 00007ffdd98b2040
 </TASK>
kmemleak: Object (percpu) 0x607f1a639b88 (size 16):
kmemleak:   comm "syz-executor.3", pid 286, jiffies 4294831921
kmemleak:   min_count = 1
kmemleak:   count = 0
kmemleak:   flags = 0x21
kmemleak:   checksum = 0
kmemleak:   backtrace:
 pcpu_alloc_noprof+0x87a/0x1170
 mm_init+0x99b/0x1170
 copy_process+0x3ab7/0x73c0
 kernel_clone+0xea/0x7f0
 __do_sys_clone+0xce/0x120
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197]
CPU: 0 UID: 0 PID: 4051 Comm: syz-executor.7 Tainted: G        W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88804631f600 EFLAGS: 00010212
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff8880164cd280 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff88804631f870 R08: ffff88806ce31340 R09: ffffe8ffffc16b88
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000
FS:  00005555912c7400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd4891a9e40 CR3: 000000000ca01000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 perf_trace_run_bpf_submit+0xef/0x180
 perf_trace_lock+0x337/0x5d0
 lock_release+0x1ab/0x290
 futex_ref_get+0x119/0x300
 futex_hash+0x70/0x390
 futex_wait_setup+0xae/0x550
 __futex_wait+0x151/0x300
 futex_wait+0xde/0x380
 do_futex+0x2ee/0x370
 __x64_sys_futex+0x1c9/0x4d0
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8d9184bb19
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:00007ffffe2b18a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000032 RCX: 00007f8d9184bb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8d9195ef6c
RBP: 00007f8d9195ef6c R08: 00007f8d9193b000 R09: 0000000000000000
R10: 00007ffffe2b1980 R11: 0000000000000246 R12: 00000000000284e4
R13: 00000000000003e8 R14: 00007f8d9195ef60 R15: 000000000002849e
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88804631f600 EFLAGS: 00010212
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff8880164cd280 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff88804631f870 R08: ffff88806ce31340 R09: ffffe8ffffc16b88
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000
FS:  00005555912c7400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd4891a9e40 CR3: 000000000ca01000 CR4: 0000000000350ef0
note: syz-executor.7[4051] exited with preempt_count 1
BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:51
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 4051, name: syz-executor.7
preempt_count: 0, expected: 0
RCU nest depth: 2, expected: 0
INFO: lockdep is turned off.
CPU: 0 UID: 0 PID: 4051 Comm: syz-executor.7 Tainted: G      D W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 __might_resched+0x2f3/0x510
 exit_signals+0x25/0x940
 do_exit+0x2db/0x2970
 make_task_dead+0x174/0x3b0
 rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f8d9184bb19
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:00007ffffe2b18a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000032 RCX: 00007f8d9184bb19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8d9195ef6c
RBP: 00007f8d9195ef6c R08: 00007f8d9193b000 R09: 0000000000000000
R10: 00007ffffe2b1980 R11: 0000000000000246 R12: 00000000000284e4
R13: 00000000000003e8 R14: 00007f8d9195ef60 R15: 000000000002849e
 </TASK>
kmemleak: Found object by alias at 0x607f1a62a6bc
CPU: 0 UID: 0 PID: 4079 Comm: syz-executor.5 Tainted: G      D W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xca/0x120
 __lookup_object+0x94/0xb0
 delete_object_full+0x27/0x70
 free_percpu+0x30/0x1160
 futex_hash_free+0x38/0xc0
 mmput+0x2d3/0x390
 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/0x110
 do_syscall_64+0x2f7/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0cd1b31b19
Code: Unable to access opcode bytes at 0x7f0cd1b31aef.
RSP: 002b:00007ffef223c1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 0000000000000032 RCX: 00007f0cd1b31b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0cd1c44f6c
RBP: 00007f0cd1c44f6c R08: 00007f0cd1c21000 R09: 0000000000000000
R10: 00007ffef223c2b0 R11: 0000000000000246 R12: 0000000000028644
R13: 00000000000003e8 R14: 00007f0cd1c44f60 R15: 0000000000028637
 </TASK>
kmemleak: Object (percpu) 0x607f1a62a6b8 (size 8):
kmemleak:   comm "syz-executor.4", pid 4073, jiffies 4294832352
kmemleak:   min_count = 1
kmemleak:   count = 0
kmemleak:   flags = 0x21
kmemleak:   checksum = 0
kmemleak:   backtrace:
 pcpu_alloc_noprof+0x87a/0x1170
 percpu_ref_init+0x37/0x400
 blkg_alloc+0xe9/0x7d0
 blkg_create+0xe08/0x1420
 bio_associate_blkg_from_css+0xe06/0x1380
 bio_associate_blkg+0x10e/0x2a0
 bio_init+0x2dd/0x570
 bio_alloc_bioset+0x472/0x8c0
 iomap_dio_alloc_bio.isra.0+0x88/0xc0
 iomap_dio_bio_iter+0x8aa/0x1550
 __iomap_dio_rw+0x10a1/0x1cf0
 iomap_dio_rw+0x40/0xa0
 ext4_file_write_iter+0xe0b/0x1990
 iter_file_splice_write+0xa3b/0x11f0
 direct_splice_actor+0x192/0x7b0
 splice_direct_to_actor+0x347/0x9d0
kmemleak: Found object by alias at 0x607f1a639b90
CPU: 1 UID: 0 PID: 3818 Comm: kworker/u8:2 Tainted: G      D W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 dump_stack_lvl+0xca/0x120
 __lookup_object+0x94/0xb0
 delete_object_full+0x27/0x70
 free_percpu+0x30/0x1160
 free_netdev+0x498/0x960
 netdev_run_todo+0xab0/0xf80
 default_device_exit_batch+0x6e8/0x920
 ops_undo_list+0x34c/0xa50
 cleanup_net+0x38d/0x770
 process_one_work+0x8e1/0x19c0
 worker_thread+0x67e/0xe90
 kthread+0x3c8/0x740
 ret_from_fork+0x34b/0x430
 ret_from_fork_asm+0x1a/0x30
 </TASK>
kmemleak: Object (percpu) 0x607f1a639b88 (size 16):
kmemleak:   comm "syz-executor.1", pid 276, jiffies 4294832323
kmemleak:   min_count = 1
kmemleak:   count = 0
kmemleak:   flags = 0x21
kmemleak:   checksum = 0
kmemleak:   backtrace:
 pcpu_alloc_noprof+0x87a/0x1170
 mm_init+0x99b/0x1170
 copy_process+0x3ab7/0x73c0
 kernel_clone+0xea/0x7f0
 __do_sys_clone+0xce/0x120
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
kmemleak: Found object by alias at 0x607f1a639b94
CPU: 0 UID: 0 PID: 4078 Comm: syz-executor.3 Tainted: G      D W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xca/0x120
 __lookup_object+0x94/0xb0
 delete_object_full+0x27/0x70
 free_percpu+0x30/0x1160
 futex_hash_free+0x38/0xc0
 mmput+0x2d3/0x390
 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/0x110
 do_syscall_64+0x2f7/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f79b95a8b19
Code: Unable to access opcode bytes at 0x7f79b95a8aef.
RSP: 002b:00007f79b6b1e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffff85 RBX: 00007f79b96bbf60 RCX: 00007f79b95a8b19
RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c
RBP: 00007f79b9602f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdd98b1d2f R14: 00007f79b6b1e300 R15: 0000000000022000
 </TASK>
kmemleak: Object (percpu) 0x607f1a639b88 (size 16):
kmemleak:   comm "syz-executor.1", pid 276, jiffies 4294832323
kmemleak:   min_count = 1
kmemleak:   count = 0
kmemleak:   flags = 0x21
kmemleak:   checksum = 0
kmemleak:   backtrace:
 pcpu_alloc_noprof+0x87a/0x1170
 mm_init+0x99b/0x1170
 copy_process+0x3ab7/0x73c0
 kernel_clone+0xea/0x7f0
 __do_sys_clone+0xce/0x120
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
kmemleak: Found object by alias at 0x607f1a62a6bc
CPU: 1 UID: 0 PID: 3818 Comm: kworker/u8:2 Tainted: G      D W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 dump_stack_lvl+0xca/0x120
 __lookup_object+0x94/0xb0
 delete_object_full+0x27/0x70
 free_percpu+0x30/0x1160
 percpu_counter_destroy_many+0x188/0x2b0
 ops_undo_list+0x2d5/0xa50
 cleanup_net+0x38d/0x770
 process_one_work+0x8e1/0x19c0
 worker_thread+0x67e/0xe90
 kthread+0x3c8/0x740
 ret_from_fork+0x34b/0x430
 ret_from_fork_asm+0x1a/0x30
 </TASK>
kmemleak: Object (percpu) 0x607f1a62a6b8 (size 8):
kmemleak:   comm "syz-executor.4", pid 4073, jiffies 4294832352
kmemleak:   min_count = 1
kmemleak:   count = 0
kmemleak:   flags = 0x21
kmemleak:   checksum = 0
kmemleak:   backtrace:
 pcpu_alloc_noprof+0x87a/0x1170
 percpu_ref_init+0x37/0x400
 blkg_alloc+0xe9/0x7d0
 blkg_create+0xe08/0x1420
 bio_associate_blkg_from_css+0xe06/0x1380
 bio_associate_blkg+0x10e/0x2a0
 bio_init+0x2dd/0x570
 bio_alloc_bioset+0x472/0x8c0
 iomap_dio_alloc_bio.isra.0+0x88/0xc0
 iomap_dio_bio_iter+0x8aa/0x1550
 __iomap_dio_rw+0x10a1/0x1cf0
 iomap_dio_rw+0x40/0xa0
 ext4_file_write_iter+0xe0b/0x1990
 iter_file_splice_write+0xa3b/0x11f0
 direct_splice_actor+0x192/0x7b0
 splice_direct_to_actor+0x347/0x9d0
kmemleak: Found object by alias at 0x607f1a639b8c
CPU: 0 UID: 0 PID: 4054 Comm: syz-executor.4 Tainted: G      D W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xca/0x120
 __lookup_object+0x94/0xb0
 delete_object_full+0x27/0x70
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	df 48 89             	fisttps -0x77(%rax)
   3:	85 a8 fd ff ff 48    	test   %ebp,0x48fffffd(%rax)
   9:	c1 e8 03             	shr    $0x3,%eax
   c:	4c 01 e0             	add    %r12,%rax
   f:	48 89 85 c8 fd ff ff 	mov    %rax,-0x238(%rbp)
  16:	e8 c9 51 ea ff       	callq  0xffea51e4
  1b:	48 8d bb f0 01 00 00 	lea    0x1f0(%rbx),%rdi
  22:	48 89 f8             	mov    %rdi,%rax
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	74 08                	je     0x3a
  32:	3c 03                	cmp    $0x3,%al
  34:	0f 8e c5 0b 00 00    	jle    0xbff
  3a:	44                   	rex.R
  3b:	8b                   	.byte 0x8b
  3c:	ab                   	stos   %eax,%es:(%rdi)
  3d:	f0                   	lock
  3e:	01                   	.byte 0x1