[  483.476409][T19586] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.476418][T19586] Call Trace:
[  483.476424][T19586]  <TASK>
[  483.476430][T19586]  dump_stack_lvl+0x189/0x250
[  483.476449][T19586]  ? __pfx____ratelimit+0x10/0x10
[  483.476469][T19586]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.476484][T19586]  ? __pfx__printk+0x10/0x10
[  483.476502][T19586]  ? __might_fault+0xb0/0x130
[  483.476525][T19586]  should_fail_ex+0x414/0x560
[  483.476547][T19586]  _copy_from_user+0x2d/0xb0
[  483.476563][T19586]  kstrtouint_from_user+0xc4/0x170
[  483.476582][T19586]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.476611][T19586]  proc_fail_nth_write+0x88/0x240
[  483.476630][T19586]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.476661][T19586]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.476679][T19586]  vfs_write+0x27e/0xa90
[  483.476701][T19586]  ? __pfx_vfs_write+0x10/0x10
[  483.476716][T19586]  ? __fget_files+0x2a/0x420
[  483.476736][T19586]  ? __fget_files+0x3a0/0x420
[  483.476750][T19586]  ? __fget_files+0x2a/0x420
[  483.476772][T19586]  ksys_write+0x145/0x250
[  483.476785][T19586]  ? __fget_files+0x3a0/0x420
[  483.476801][T19586]  ? __pfx_ksys_write+0x10/0x10
[  483.476819][T19586]  ? do_syscall_64+0xbe/0x3b0
[  483.476833][T19586]  do_syscall_64+0xfa/0x3b0
[  483.476844][T19586]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.476861][T19586]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.476871][T19586]  ? clear_bhb_loop+0x60/0xb0
[  483.476882][T19586]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.476892][T19586] RIP: 0033:0x7f214c78d3df
[  483.476903][T19586] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.476914][T19586] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.476929][T19586] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.476938][T19586] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.476945][T19586] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.476953][T19586] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.476960][T19586] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.476981][T19586]  </TASK>
[  483.518724][T19588] FAULT_INJECTION: forcing a failure.
[  483.518724][T19588] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  483.518751][T19588] CPU: 0 UID: 0 PID: 19588 Comm: syz.0.6508 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  483.518765][T19588] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.518773][T19588] Call Trace:
[  483.518779][T19588]  <TASK>
[  483.518785][T19588]  dump_stack_lvl+0x189/0x250
[  483.518803][T19588]  ? __pfx____ratelimit+0x10/0x10
[  483.518822][T19588]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.518835][T19588]  ? __pfx__printk+0x10/0x10
[  483.518852][T19588]  ? __might_fault+0xb0/0x130
[  483.518873][T19588]  should_fail_ex+0x414/0x560
[  483.518894][T19588]  _copy_from_user+0x2d/0xb0
[  483.518911][T19588]  kstrtouint_from_user+0xc4/0x170
[  483.518933][T19588]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.518965][T19588]  proc_fail_nth_write+0x88/0x240
[  483.518983][T19588]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.519005][T19588]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.519023][T19588]  vfs_write+0x27e/0xa90
[  483.519045][T19588]  ? __pfx_vfs_write+0x10/0x10
[  483.519060][T19588]  ? __fget_files+0x2a/0x420
[  483.519079][T19588]  ? __fget_files+0x3a0/0x420
[  483.519094][T19588]  ? __fget_files+0x2a/0x420
[  483.519116][T19588]  ksys_write+0x145/0x250
[  483.519129][T19588]  ? __fget_files+0x3a0/0x420
[  483.519150][T19588]  ? __pfx_ksys_write+0x10/0x10
[  483.519168][T19588]  ? do_syscall_64+0xbe/0x3b0
[  483.519183][T19588]  do_syscall_64+0xfa/0x3b0
[  483.519194][T19588]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.519211][T19588]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.519223][T19588]  ? clear_bhb_loop+0x60/0xb0
[  483.519238][T19588]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.519250][T19588] RIP: 0033:0x7f214c78d3df
[  483.519262][T19588] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.519273][T19588] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.519287][T19588] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.519296][T19588] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.519303][T19588] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.519311][T19588] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.519318][T19588] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.519339][T19588]  </TASK>
[  483.553277][T19590] FAULT_INJECTION: forcing a failure.
[  483.553277][T19590] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  483.553305][T19590] CPU: 0 UID: 0 PID: 19590 Comm: syz.0.6509 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  483.553321][T19590] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.553329][T19590] Call Trace:
[  483.553335][T19590]  <TASK>
[  483.553341][T19590]  dump_stack_lvl+0x189/0x250
[  483.553448][T19590]  ? __pfx____ratelimit+0x10/0x10
[  483.553498][T19590]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.553514][T19590]  ? __pfx__printk+0x10/0x10
[  483.553533][T19590]  ? __might_fault+0xb0/0x130
[  483.553586][T19590]  should_fail_ex+0x414/0x560
[  483.553610][T19590]  _copy_from_user+0x2d/0xb0
[  483.553626][T19590]  kstrtouint_from_user+0xc4/0x170
[  483.553657][T19590]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.553688][T19590]  proc_fail_nth_write+0x88/0x240
[  483.553708][T19590]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.553730][T19590]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.553748][T19590]  vfs_write+0x27e/0xa90
[  483.553771][T19590]  ? __pfx_vfs_write+0x10/0x10
[  483.553787][T19590]  ? __fget_files+0x2a/0x420
[  483.553807][T19590]  ? __fget_files+0x3a0/0x420
[  483.553823][T19590]  ? __fget_files+0x2a/0x420
[  483.553848][T19590]  ksys_write+0x145/0x250
[  483.553862][T19590]  ? __fget_files+0x3a0/0x420
[  483.553880][T19590]  ? __pfx_ksys_write+0x10/0x10
[  483.553897][T19590]  ? do_syscall_64+0xbe/0x3b0
[  483.553914][T19590]  do_syscall_64+0xfa/0x3b0
[  483.553926][T19590]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.553947][T19590]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.553959][T19590]  ? clear_bhb_loop+0x60/0xb0
[  483.553975][T19590]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.553988][T19590] RIP: 0033:0x7f214c78d3df
[  483.554001][T19590] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.554012][T19590] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.554027][T19590] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.554036][T19590] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.554044][T19590] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.554053][T19590] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.554061][T19590] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.554083][T19590]  </TASK>
[  483.592153][T19592] FAULT_INJECTION: forcing a failure.
[  483.592153][T19592] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  483.592180][T19592] CPU: 0 UID: 0 PID: 19592 Comm: syz.0.6510 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  483.592195][T19592] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.592203][T19592] Call Trace:
[  483.592208][T19592]  <TASK>
[  483.592214][T19592]  dump_stack_lvl+0x189/0x250
[  483.592234][T19592]  ? __pfx____ratelimit+0x10/0x10
[  483.592254][T19592]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.592269][T19592]  ? __pfx__printk+0x10/0x10
[  483.592286][T19592]  ? __might_fault+0xb0/0x130
[  483.592347][T19592]  should_fail_ex+0x414/0x560
[  483.592371][T19592]  _copy_from_user+0x2d/0xb0
[  483.592386][T19592]  kstrtouint_from_user+0xc4/0x170
[  483.592407][T19592]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.592440][T19592]  proc_fail_nth_write+0x88/0x240
[  483.592457][T19592]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.592477][T19592]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.592495][T19592]  vfs_write+0x27e/0xa90
[  483.592516][T19592]  ? __pfx_vfs_write+0x10/0x10
[  483.592531][T19592]  ? __fget_files+0x2a/0x420
[  483.592551][T19592]  ? __fget_files+0x3a0/0x420
[  483.592566][T19592]  ? __fget_files+0x2a/0x420
[  483.592588][T19592]  ksys_write+0x145/0x250
[  483.592601][T19592]  ? __fget_files+0x3a0/0x420
[  483.592617][T19592]  ? __pfx_ksys_write+0x10/0x10
[  483.592634][T19592]  ? do_syscall_64+0xbe/0x3b0
[  483.592647][T19592]  do_syscall_64+0xfa/0x3b0
[  483.592657][T19592]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.592684][T19592]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.592695][T19592]  ? clear_bhb_loop+0x60/0xb0
[  483.592708][T19592]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.592719][T19592] RIP: 0033:0x7f214c78d3df
[  483.592731][T19592] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.592742][T19592] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.592756][T19592] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.592763][T19592] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.592770][T19592] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.592776][T19592] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.592783][T19592] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.592801][T19592]  </TASK>
[  483.629044][T19594] FAULT_INJECTION: forcing a failure.
[  483.629044][T19594] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  483.629068][T19594] CPU: 0 UID: 0 PID: 19594 Comm: syz.0.6511 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  483.629082][T19594] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.629089][T19594] Call Trace:
[  483.629093][T19594]  <TASK>
[  483.629098][T19594]  dump_stack_lvl+0x189/0x250
[  483.629116][T19594]  ? __pfx____ratelimit+0x10/0x10
[  483.629133][T19594]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.629145][T19594]  ? __pfx__printk+0x10/0x10
[  483.629159][T19594]  ? __might_fault+0xb0/0x130
[  483.629178][T19594]  should_fail_ex+0x414/0x560
[  483.629196][T19594]  _copy_from_user+0x2d/0xb0
[  483.629210][T19594]  kstrtouint_from_user+0xc4/0x170
[  483.629228][T19594]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.629256][T19594]  proc_fail_nth_write+0x88/0x240
[  483.629271][T19594]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.629289][T19594]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.629305][T19594]  vfs_write+0x27e/0xa90
[  483.629324][T19594]  ? __pfx_vfs_write+0x10/0x10
[  483.629338][T19594]  ? __fget_files+0x2a/0x420
[  483.629354][T19594]  ? __fget_files+0x3a0/0x420
[  483.629367][T19594]  ? __fget_files+0x2a/0x420
[  483.629386][T19594]  ksys_write+0x145/0x250
[  483.629397][T19594]  ? __fget_files+0x3a0/0x420
[  483.629413][T19594]  ? __pfx_ksys_write+0x10/0x10
[  483.629428][T19594]  ? do_syscall_64+0xbe/0x3b0
[  483.629440][T19594]  do_syscall_64+0xfa/0x3b0
[  483.629449][T19594]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.629466][T19594]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.629477][T19594]  ? clear_bhb_loop+0x60/0xb0
[  483.629491][T19594]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.629503][T19594] RIP: 0033:0x7f214c78d3df
[  483.629512][T19594] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.629519][T19594] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.629529][T19594] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.629535][T19594] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.629542][T19594] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.629550][T19594] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.629557][T19594] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.629575][T19594]  </TASK>
[  483.661821][T19596] FAULT_INJECTION: forcing a failure.
[  483.661821][T19596] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  483.661849][T19596] CPU: 0 UID: 0 PID: 19596 Comm: syz.0.6512 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  483.661864][T19596] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.661873][T19596] Call Trace:
[  483.661878][T19596]  <TASK>
[  483.661884][T19596]  dump_stack_lvl+0x189/0x250
[  483.661905][T19596]  ? __pfx____ratelimit+0x10/0x10
[  483.661925][T19596]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.661939][T19596]  ? __pfx__printk+0x10/0x10
[  483.661955][T19596]  ? __might_fault+0xb0/0x130
[  483.661979][T19596]  should_fail_ex+0x414/0x560
[  483.662000][T19596]  _copy_from_user+0x2d/0xb0
[  483.662017][T19596]  kstrtouint_from_user+0xc4/0x170
[  483.662039][T19596]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.662067][T19596]  proc_fail_nth_write+0x88/0x240
[  483.662081][T19596]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.662101][T19596]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.662119][T19596]  vfs_write+0x27e/0xa90
[  483.662141][T19596]  ? __pfx_vfs_write+0x10/0x10
[  483.662157][T19596]  ? __fget_files+0x2a/0x420
[  483.662176][T19596]  ? __fget_files+0x3a0/0x420
[  483.662191][T19596]  ? __fget_files+0x2a/0x420
[  483.662212][T19596]  ksys_write+0x145/0x250
[  483.662226][T19596]  ? __fget_files+0x3a0/0x420
[  483.662241][T19596]  ? __pfx_ksys_write+0x10/0x10
[  483.662258][T19596]  ? do_syscall_64+0xbe/0x3b0
[  483.662272][T19596]  do_syscall_64+0xfa/0x3b0
[  483.662284][T19596]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.662303][T19596]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.662315][T19596]  ? clear_bhb_loop+0x60/0xb0
[  483.662331][T19596]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.662343][T19596] RIP: 0033:0x7f214c78d3df
[  483.662356][T19596] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.662367][T19596] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.662381][T19596] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.662389][T19596] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.662397][T19596] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.662405][T19596] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.662413][T19596] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.662433][T19596]  </TASK>
[  483.700154][T19598] FAULT_INJECTION: forcing a failure.
[  483.700154][T19598] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  483.700187][T19598] CPU: 0 UID: 0 PID: 19598 Comm: syz.0.6513 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  483.700237][T19598] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.700246][T19598] Call Trace:
[  483.700251][T19598]  <TASK>
[  483.700258][T19598]  dump_stack_lvl+0x189/0x250
[  483.700293][T19598]  ? __pfx____ratelimit+0x10/0x10
[  483.700350][T19598]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.700364][T19598]  ? __pfx__printk+0x10/0x10
[  483.700380][T19598]  ? __might_fault+0xb0/0x130
[  483.700409][T19598]  should_fail_ex+0x414/0x560
[  483.700430][T19598]  _copy_from_user+0x2d/0xb0
[  483.700446][T19598]  kstrtouint_from_user+0xc4/0x170
[  483.700464][T19598]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.700491][T19598]  proc_fail_nth_write+0x88/0x240
[  483.700506][T19598]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.700525][T19598]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.700541][T19598]  vfs_write+0x27e/0xa90
[  483.700568][T19598]  ? __pfx_vfs_write+0x10/0x10
[  483.700582][T19598]  ? __fget_files+0x2a/0x420
[  483.700601][T19598]  ? __fget_files+0x3a0/0x420
[  483.700614][T19598]  ? __fget_files+0x2a/0x420
[  483.700635][T19598]  ksys_write+0x145/0x250
[  483.700646][T19598]  ? __fget_files+0x3a0/0x420
[  483.700662][T19598]  ? __pfx_ksys_write+0x10/0x10
[  483.700678][T19598]  ? do_syscall_64+0xbe/0x3b0
[  483.700693][T19598]  do_syscall_64+0xfa/0x3b0
[  483.700703][T19598]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.700718][T19598]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.700730][T19598]  ? clear_bhb_loop+0x60/0xb0
[  483.700744][T19598]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.700755][T19598] RIP: 0033:0x7f214c78d3df
[  483.700767][T19598] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.700777][T19598] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.700791][T19598] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.700799][T19598] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.700806][T19598] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.700813][T19598] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.700820][T19598] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.700839][T19598]  </TASK>
[  483.746488][T19600] FAULT_INJECTION: forcing a failure.
[  483.746488][T19600] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  483.746517][T19600] CPU: 0 UID: 0 PID: 19600 Comm: syz.0.6514 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  483.746533][T19600] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.746543][T19600] Call Trace:
[  483.746560][T19600]  <TASK>
[  483.746566][T19600]  dump_stack_lvl+0x189/0x250
[  483.746588][T19600]  ? __pfx____ratelimit+0x10/0x10
[  483.746610][T19600]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.746626][T19600]  ? __pfx__printk+0x10/0x10
[  483.746645][T19600]  ? __might_fault+0xb0/0x130
[  483.746670][T19600]  should_fail_ex+0x414/0x560
[  483.746695][T19600]  _copy_from_user+0x2d/0xb0
[  483.746713][T19600]  kstrtouint_from_user+0xc4/0x170
[  483.746770][T19600]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.746803][T19600]  proc_fail_nth_write+0x88/0x240
[  483.746824][T19600]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.746847][T19600]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.746867][T19600]  vfs_write+0x27e/0xa90
[  483.746891][T19600]  ? __pfx_vfs_write+0x10/0x10
[  483.746908][T19600]  ? __fget_files+0x2a/0x420
[  483.746929][T19600]  ? __fget_files+0x3a0/0x420
[  483.746946][T19600]  ? __fget_files+0x2a/0x420
[  483.746971][T19600]  ksys_write+0x145/0x250
[  483.746985][T19600]  ? __fget_files+0x3a0/0x420
[  483.747003][T19600]  ? __pfx_ksys_write+0x10/0x10
[  483.747023][T19600]  ? do_syscall_64+0xbe/0x3b0
[  483.747039][T19600]  do_syscall_64+0xfa/0x3b0
[  483.747058][T19600]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.747078][T19600]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.747092][T19600]  ? clear_bhb_loop+0x60/0xb0
[  483.747109][T19600]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.747122][T19600] RIP: 0033:0x7f214c78d3df
[  483.747135][T19600] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.747224][T19600] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.747251][T19600] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.747260][T19600] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.747268][T19600] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.747277][T19600] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.747285][T19600] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.747311][T19600]  </TASK>
[  483.787351][T19602] FAULT_INJECTION: forcing a failure.
[  483.787351][T19602] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  483.787380][T19602] CPU: 0 UID: 0 PID: 19602 Comm: syz.0.6515 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  483.787396][T19602] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.787405][T19602] Call Trace:
[  483.787411][T19602]  <TASK>
[  483.787417][T19602]  dump_stack_lvl+0x189/0x250
[  483.787439][T19602]  ? __pfx____ratelimit+0x10/0x10
[  483.787460][T19602]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.787477][T19602]  ? __pfx__printk+0x10/0x10
[  483.787496][T19602]  ? __might_fault+0xb0/0x130
[  483.787522][T19602]  should_fail_ex+0x414/0x560
[  483.787544][T19602]  _copy_from_user+0x2d/0xb0
[  483.787562][T19602]  kstrtouint_from_user+0xc4/0x170
[  483.787586][T19602]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.787619][T19602]  proc_fail_nth_write+0x88/0x240
[  483.787638][T19602]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.787661][T19602]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.787682][T19602]  vfs_write+0x27e/0xa90
[  483.787703][T19602]  ? __pfx_vfs_write+0x10/0x10
[  483.787719][T19602]  ? __fget_files+0x2a/0x420
[  483.787738][T19602]  ? __fget_files+0x3a0/0x420
[  483.787753][T19602]  ? __fget_files+0x2a/0x420
[  483.787775][T19602]  ksys_write+0x145/0x250
[  483.787787][T19602]  ? __fget_files+0x3a0/0x420
[  483.787802][T19602]  ? __pfx_ksys_write+0x10/0x10
[  483.787820][T19602]  ? do_syscall_64+0xbe/0x3b0
[  483.787835][T19602]  do_syscall_64+0xfa/0x3b0
[  483.787852][T19602]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.787870][T19602]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.787882][T19602]  ? clear_bhb_loop+0x60/0xb0
[  483.787897][T19602]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.787908][T19602] RIP: 0033:0x7f214c78d3df
[  483.787920][T19602] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.787930][T19602] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.787944][T19602] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.787953][T19602] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.787960][T19602] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.787968][T19602] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.787975][T19602] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.787996][T19602]  </TASK>
[  483.821328][T19604] FAULT_INJECTION: forcing a failure.
[  483.821328][T19604] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  483.821356][T19604] CPU: 0 UID: 0 PID: 19604 Comm: syz.0.6516 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  483.821372][T19604] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.821382][T19604] Call Trace:
[  483.821387][T19604]  <TASK>
[  483.821394][T19604]  dump_stack_lvl+0x189/0x250
[  483.821415][T19604]  ? __pfx____ratelimit+0x10/0x10
[  483.821437][T19604]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.821453][T19604]  ? __pfx__printk+0x10/0x10
[  483.821473][T19604]  ? __might_fault+0xb0/0x130
[  483.821499][T19604]  should_fail_ex+0x414/0x560
[  483.821522][T19604]  _copy_from_user+0x2d/0xb0
[  483.821538][T19604]  kstrtouint_from_user+0xc4/0x170
[  483.821557][T19604]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.821587][T19604]  proc_fail_nth_write+0x88/0x240
[  483.821605][T19604]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.821626][T19604]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.821646][T19604]  vfs_write+0x27e/0xa90
[  483.821667][T19604]  ? __pfx_vfs_write+0x10/0x10
[  483.821683][T19604]  ? __fget_files+0x2a/0x420
[  483.821702][T19604]  ? __fget_files+0x3a0/0x420
[  483.821716][T19604]  ? __fget_files+0x2a/0x420
[  483.821739][T19604]  ksys_write+0x145/0x250
[  483.821751][T19604]  ? __fget_files+0x3a0/0x420
[  483.821767][T19604]  ? __pfx_ksys_write+0x10/0x10
[  483.821785][T19604]  ? do_syscall_64+0xbe/0x3b0
[  483.821800][T19604]  do_syscall_64+0xfa/0x3b0
[  483.821812][T19604]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.821831][T19604]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.821845][T19604]  ? clear_bhb_loop+0x60/0xb0
[  483.821874][T19604]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.821885][T19604] RIP: 0033:0x7f214c78d3df
[  483.821895][T19604] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.821904][T19604] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.821917][T19604] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.821925][T19604] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.821932][T19604] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.821939][T19604] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.821946][T19604] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.821967][T19604]  </TASK>
[  483.868045][T19606] FAULT_INJECTION: forcing a failure.
[  483.868045][T19606] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  483.868074][T19606] CPU: 0 UID: 0 PID: 19606 Comm: syz.0.6517 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  483.868088][T19606] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.868096][T19606] Call Trace:
[  483.868106][T19606]  <TASK>
[  483.868111][T19606]  dump_stack_lvl+0x189/0x250
[  483.868203][T19606]  ? __pfx____ratelimit+0x10/0x10
[  483.868228][T19606]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.868242][T19606]  ? __pfx__printk+0x10/0x10
[  483.868258][T19606]  ? __might_fault+0xb0/0x130
[  483.868349][T19606]  should_fail_ex+0x414/0x560
[  483.868368][T19606]  _copy_from_user+0x2d/0xb0
[  483.868383][T19606]  kstrtouint_from_user+0xc4/0x170
[  483.868403][T19606]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.868429][T19606]  proc_fail_nth_write+0x88/0x240
[  483.868445][T19606]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.868462][T19606]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.868478][T19606]  vfs_write+0x27e/0xa90
[  483.868498][T19606]  ? __pfx_vfs_write+0x10/0x10
[  483.868511][T19606]  ? __fget_files+0x2a/0x420
[  483.868531][T19606]  ? __fget_files+0x3a0/0x420
[  483.868544][T19606]  ? __fget_files+0x2a/0x420
[  483.868568][T19606]  ksys_write+0x145/0x250
[  483.868580][T19606]  ? __fget_files+0x3a0/0x420
[  483.868595][T19606]  ? __pfx_ksys_write+0x10/0x10
[  483.868611][T19606]  ? do_syscall_64+0xbe/0x3b0
[  483.868624][T19606]  do_syscall_64+0xfa/0x3b0
[  483.868633][T19606]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.868650][T19606]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.868662][T19606]  ? clear_bhb_loop+0x60/0xb0
[  483.868677][T19606]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.868688][T19606] RIP: 0033:0x7f214c78d3df
[  483.868699][T19606] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.868706][T19606] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.868716][T19606] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.868721][T19606] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.868726][T19606] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.868731][T19606] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.868735][T19606] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.868747][T19606]  </TASK>
[  483.899859][T19608] FAULT_INJECTION: forcing a failure.
[  483.899859][T19608] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  483.899887][T19608] CPU: 0 UID: 0 PID: 19608 Comm: syz.0.6518 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  483.899901][T19608] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.899909][T19608] Call Trace:
[  483.899914][T19608]  <TASK>
[  483.899920][T19608]  dump_stack_lvl+0x189/0x250
[  483.899940][T19608]  ? __pfx____ratelimit+0x10/0x10
[  483.899964][T19608]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.899980][T19608]  ? __pfx__printk+0x10/0x10
[  483.899996][T19608]  ? __might_fault+0xb0/0x130
[  483.900019][T19608]  should_fail_ex+0x414/0x560
[  483.900041][T19608]  _copy_from_user+0x2d/0xb0
[  483.900057][T19608]  kstrtouint_from_user+0xc4/0x170
[  483.900077][T19608]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.900105][T19608]  proc_fail_nth_write+0x88/0x240
[  483.900123][T19608]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.900145][T19608]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.900163][T19608]  vfs_write+0x27e/0xa90
[  483.900184][T19608]  ? __pfx_vfs_write+0x10/0x10
[  483.900194][T19608]  ? __fget_files+0x2a/0x420
[  483.900207][T19608]  ? __fget_files+0x3a0/0x420
[  483.900217][T19608]  ? __fget_files+0x2a/0x420
[  483.900231][T19608]  ksys_write+0x145/0x250
[  483.900240][T19608]  ? __fget_files+0x3a0/0x420
[  483.900251][T19608]  ? __pfx_ksys_write+0x10/0x10
[  483.900262][T19608]  ? do_syscall_64+0xbe/0x3b0
[  483.900271][T19608]  do_syscall_64+0xfa/0x3b0
[  483.900278][T19608]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.900291][T19608]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.900340][T19608]  ? clear_bhb_loop+0x60/0xb0
[  483.900358][T19608]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.900370][T19608] RIP: 0033:0x7f214c78d3df
[  483.900381][T19608] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.900392][T19608] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.900406][T19608] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.900415][T19608] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.900422][T19608] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.900429][T19608] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.900436][T19608] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.900456][T19608]  </TASK>
[  483.931525][T19610] FAULT_INJECTION: forcing a failure.
[  483.931525][T19610] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  483.931552][T19610] CPU: 0 UID: 0 PID: 19610 Comm: syz.0.6519 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  483.931577][T19610] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.931585][T19610] Call Trace:
[  483.931590][T19610]  <TASK>
[  483.931596][T19610]  dump_stack_lvl+0x189/0x250
[  483.931615][T19610]  ? __pfx____ratelimit+0x10/0x10
[  483.931634][T19610]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.931646][T19610]  ? __pfx__printk+0x10/0x10
[  483.931662][T19610]  ? __might_fault+0xb0/0x130
[  483.931685][T19610]  should_fail_ex+0x414/0x560
[  483.931706][T19610]  _copy_from_user+0x2d/0xb0
[  483.931720][T19610]  kstrtouint_from_user+0xc4/0x170
[  483.931734][T19610]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.931752][T19610]  proc_fail_nth_write+0x88/0x240
[  483.931763][T19610]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.931776][T19610]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.931787][T19610]  vfs_write+0x27e/0xa90
[  483.931804][T19610]  ? __pfx_vfs_write+0x10/0x10
[  483.931817][T19610]  ? __fget_files+0x2a/0x420
[  483.931834][T19610]  ? __fget_files+0x3a0/0x420
[  483.931846][T19610]  ? __fget_files+0x2a/0x420
[  483.931865][T19610]  ksys_write+0x145/0x250
[  483.931877][T19610]  ? __fget_files+0x3a0/0x420
[  483.931893][T19610]  ? __pfx_ksys_write+0x10/0x10
[  483.931909][T19610]  ? do_syscall_64+0xbe/0x3b0
[  483.931923][T19610]  do_syscall_64+0xfa/0x3b0
[  483.931933][T19610]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.931950][T19610]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.931962][T19610]  ? clear_bhb_loop+0x60/0xb0
[  483.931975][T19610]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.931986][T19610] RIP: 0033:0x7f214c78d3df
[  483.931997][T19610] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.932007][T19610] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.932020][T19610] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.932029][T19610] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.932035][T19610] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.932042][T19610] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.932048][T19610] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.932066][T19610]  </TASK>
[  483.968790][T19612] FAULT_INJECTION: forcing a failure.
[  483.968790][T19612] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  483.968815][T19612] CPU: 0 UID: 0 PID: 19612 Comm: syz.0.6520 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  483.968829][T19612] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  483.968837][T19612] Call Trace:
[  483.968842][T19612]  <TASK>
[  483.968848][T19612]  dump_stack_lvl+0x189/0x250
[  483.968866][T19612]  ? __pfx____ratelimit+0x10/0x10
[  483.968883][T19612]  ? __pfx_dump_stack_lvl+0x10/0x10
[  483.968895][T19612]  ? __pfx__printk+0x10/0x10
[  483.968910][T19612]  ? __might_fault+0xb0/0x130
[  483.968932][T19612]  should_fail_ex+0x414/0x560
[  483.968952][T19612]  _copy_from_user+0x2d/0xb0
[  483.968967][T19612]  kstrtouint_from_user+0xc4/0x170
[  483.968986][T19612]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  483.969013][T19612]  proc_fail_nth_write+0x88/0x240
[  483.969030][T19612]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.969049][T19612]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  483.969065][T19612]  vfs_write+0x27e/0xa90
[  483.969084][T19612]  ? __pfx_vfs_write+0x10/0x10
[  483.969098][T19612]  ? __fget_files+0x2a/0x420
[  483.969115][T19612]  ? __fget_files+0x3a0/0x420
[  483.969128][T19612]  ? __fget_files+0x2a/0x420
[  483.969148][T19612]  ksys_write+0x145/0x250
[  483.969161][T19612]  ? __fget_files+0x3a0/0x420
[  483.969176][T19612]  ? __pfx_ksys_write+0x10/0x10
[  483.969191][T19612]  ? do_syscall_64+0xbe/0x3b0
[  483.969205][T19612]  do_syscall_64+0xfa/0x3b0
[  483.969215][T19612]  ? lockdep_hardirqs_on+0x9c/0x150
[  483.969231][T19612]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.969242][T19612]  ? clear_bhb_loop+0x60/0xb0
[  483.969256][T19612]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.969266][T19612] RIP: 0033:0x7f214c78d3df
[  483.969276][T19612] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  483.969286][T19612] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  483.969300][T19612] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  483.969308][T19612] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  483.969314][T19612] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  483.969321][T19612] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  483.969327][T19612] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  483.969346][T19612]  </TASK>
[  484.008212][T19614] FAULT_INJECTION: forcing a failure.
[  484.008212][T19614] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.008238][T19614] CPU: 0 UID: 0 PID: 19614 Comm: syz.0.6521 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.008252][T19614] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.008260][T19614] Call Trace:
[  484.008265][T19614]  <TASK>
[  484.008271][T19614]  dump_stack_lvl+0x189/0x250
[  484.008336][T19614]  ? __pfx____ratelimit+0x10/0x10
[  484.008361][T19614]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.008376][T19614]  ? __pfx__printk+0x10/0x10
[  484.008389][T19614]  ? __might_fault+0xb0/0x130
[  484.008408][T19614]  should_fail_ex+0x414/0x560
[  484.008422][T19614]  _copy_from_user+0x2d/0xb0
[  484.008433][T19614]  kstrtouint_from_user+0xc4/0x170
[  484.008448][T19614]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.008474][T19614]  proc_fail_nth_write+0x88/0x240
[  484.008492][T19614]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.008511][T19614]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.008526][T19614]  vfs_write+0x27e/0xa90
[  484.008546][T19614]  ? __pfx_vfs_write+0x10/0x10
[  484.008565][T19614]  ? __fget_files+0x2a/0x420
[  484.008583][T19614]  ? __fget_files+0x3a0/0x420
[  484.008597][T19614]  ? __fget_files+0x2a/0x420
[  484.008617][T19614]  ksys_write+0x145/0x250
[  484.008628][T19614]  ? __fget_files+0x3a0/0x420
[  484.008643][T19614]  ? __pfx_ksys_write+0x10/0x10
[  484.008660][T19614]  ? do_syscall_64+0xbe/0x3b0
[  484.008673][T19614]  do_syscall_64+0xfa/0x3b0
[  484.008683][T19614]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.008705][T19614]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.008716][T19614]  ? clear_bhb_loop+0x60/0xb0
[  484.008728][T19614]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.008738][T19614] RIP: 0033:0x7f214c78d3df
[  484.008751][T19614] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.008761][T19614] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.008774][T19614] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.008782][T19614] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.008788][T19614] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.008795][T19614] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.008801][T19614] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.008820][T19614]  </TASK>
[  484.051748][T19616] FAULT_INJECTION: forcing a failure.
[  484.051748][T19616] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.051777][T19616] CPU: 0 UID: 0 PID: 19616 Comm: syz.0.6522 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.051793][T19616] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.051800][T19616] Call Trace:
[  484.051805][T19616]  <TASK>
[  484.051810][T19616]  dump_stack_lvl+0x189/0x250
[  484.051832][T19616]  ? __pfx____ratelimit+0x10/0x10
[  484.051854][T19616]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.051869][T19616]  ? __pfx__printk+0x10/0x10
[  484.051886][T19616]  ? __might_fault+0xb0/0x130
[  484.051910][T19616]  should_fail_ex+0x414/0x560
[  484.051932][T19616]  _copy_from_user+0x2d/0xb0
[  484.051948][T19616]  kstrtouint_from_user+0xc4/0x170
[  484.051970][T19616]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.051999][T19616]  proc_fail_nth_write+0x88/0x240
[  484.052018][T19616]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.052039][T19616]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.052057][T19616]  vfs_write+0x27e/0xa90
[  484.052078][T19616]  ? __pfx_vfs_write+0x10/0x10
[  484.052093][T19616]  ? __fget_files+0x2a/0x420
[  484.052113][T19616]  ? __fget_files+0x3a0/0x420
[  484.052127][T19616]  ? __fget_files+0x2a/0x420
[  484.052148][T19616]  ksys_write+0x145/0x250
[  484.052162][T19616]  ? __fget_files+0x3a0/0x420
[  484.052179][T19616]  ? __pfx_ksys_write+0x10/0x10
[  484.052196][T19616]  ? do_syscall_64+0xbe/0x3b0
[  484.052213][T19616]  do_syscall_64+0xfa/0x3b0
[  484.052224][T19616]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.052244][T19616]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.052257][T19616]  ? clear_bhb_loop+0x60/0xb0
[  484.052272][T19616]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.052285][T19616] RIP: 0033:0x7f214c78d3df
[  484.052331][T19616] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.052344][T19616] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.052359][T19616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.052368][T19616] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.052375][T19616] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.052382][T19616] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.052389][T19616] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.052408][T19616]  </TASK>
[  484.089351][T19618] FAULT_INJECTION: forcing a failure.
[  484.089351][T19618] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.089377][T19618] CPU: 0 UID: 0 PID: 19618 Comm: syz.0.6523 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.089387][T19618] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.089393][T19618] Call Trace:
[  484.089397][T19618]  <TASK>
[  484.089402][T19618]  dump_stack_lvl+0x189/0x250
[  484.089416][T19618]  ? __pfx____ratelimit+0x10/0x10
[  484.089431][T19618]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.089443][T19618]  ? __pfx__printk+0x10/0x10
[  484.089458][T19618]  ? __might_fault+0xb0/0x130
[  484.089479][T19618]  should_fail_ex+0x414/0x560
[  484.089500][T19618]  _copy_from_user+0x2d/0xb0
[  484.089514][T19618]  kstrtouint_from_user+0xc4/0x170
[  484.089533][T19618]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.089561][T19618]  proc_fail_nth_write+0x88/0x240
[  484.089577][T19618]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.089594][T19618]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.089608][T19618]  vfs_write+0x27e/0xa90
[  484.089622][T19618]  ? __pfx_vfs_write+0x10/0x10
[  484.089631][T19618]  ? __fget_files+0x2a/0x420
[  484.089642][T19618]  ? __fget_files+0x3a0/0x420
[  484.089651][T19618]  ? __fget_files+0x2a/0x420
[  484.089664][T19618]  ksys_write+0x145/0x250
[  484.089673][T19618]  ? __fget_files+0x3a0/0x420
[  484.089683][T19618]  ? __pfx_ksys_write+0x10/0x10
[  484.089697][T19618]  ? do_syscall_64+0xbe/0x3b0
[  484.089710][T19618]  do_syscall_64+0xfa/0x3b0
[  484.089719][T19618]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.089736][T19618]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.089747][T19618]  ? clear_bhb_loop+0x60/0xb0
[  484.089762][T19618]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.089773][T19618] RIP: 0033:0x7f214c78d3df
[  484.089785][T19618] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.089795][T19618] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.089809][T19618] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.089815][T19618] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.089827][T19618] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.089834][T19618] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.089841][T19618] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.089858][T19618]  </TASK>
[  484.122257][T19620] FAULT_INJECTION: forcing a failure.
[  484.122257][T19620] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.122282][T19620] CPU: 0 UID: 0 PID: 19620 Comm: syz.0.6524 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.122297][T19620] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.122304][T19620] Call Trace:
[  484.122310][T19620]  <TASK>
[  484.122316][T19620]  dump_stack_lvl+0x189/0x250
[  484.122334][T19620]  ? __pfx____ratelimit+0x10/0x10
[  484.122351][T19620]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.122364][T19620]  ? __pfx__printk+0x10/0x10
[  484.122378][T19620]  ? __might_fault+0xb0/0x130
[  484.122400][T19620]  should_fail_ex+0x414/0x560
[  484.122420][T19620]  _copy_from_user+0x2d/0xb0
[  484.122436][T19620]  kstrtouint_from_user+0xc4/0x170
[  484.122454][T19620]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.122481][T19620]  proc_fail_nth_write+0x88/0x240
[  484.122498][T19620]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.122517][T19620]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.122532][T19620]  vfs_write+0x27e/0xa90
[  484.122545][T19620]  ? __pfx_vfs_write+0x10/0x10
[  484.122558][T19620]  ? __fget_files+0x2a/0x420
[  484.122582][T19620]  ? __fget_files+0x3a0/0x420
[  484.122596][T19620]  ? __fget_files+0x2a/0x420
[  484.122616][T19620]  ksys_write+0x145/0x250
[  484.122628][T19620]  ? __fget_files+0x3a0/0x420
[  484.122639][T19620]  ? __pfx_ksys_write+0x10/0x10
[  484.122649][T19620]  ? do_syscall_64+0xbe/0x3b0
[  484.122658][T19620]  do_syscall_64+0xfa/0x3b0
[  484.122665][T19620]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.122678][T19620]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.122685][T19620]  ? clear_bhb_loop+0x60/0xb0
[  484.122694][T19620]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.122704][T19620] RIP: 0033:0x7f214c78d3df
[  484.122715][T19620] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.122725][T19620] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.122737][T19620] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.122744][T19620] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.122751][T19620] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.122758][T19620] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.122765][T19620] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.122785][T19620]  </TASK>
[  484.158773][T19622] FAULT_INJECTION: forcing a failure.
[  484.158773][T19622] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.158798][T19622] CPU: 0 UID: 0 PID: 19622 Comm: syz.0.6525 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.158812][T19622] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.158820][T19622] Call Trace:
[  484.158826][T19622]  <TASK>
[  484.158831][T19622]  dump_stack_lvl+0x189/0x250
[  484.158850][T19622]  ? __pfx____ratelimit+0x10/0x10
[  484.158868][T19622]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.158881][T19622]  ? __pfx__printk+0x10/0x10
[  484.158897][T19622]  ? __might_fault+0xb0/0x130
[  484.158918][T19622]  should_fail_ex+0x414/0x560
[  484.158939][T19622]  _copy_from_user+0x2d/0xb0
[  484.158954][T19622]  kstrtouint_from_user+0xc4/0x170
[  484.158971][T19622]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.158997][T19622]  proc_fail_nth_write+0x88/0x240
[  484.159015][T19622]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.159034][T19622]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.159050][T19622]  vfs_write+0x27e/0xa90
[  484.159069][T19622]  ? __pfx_vfs_write+0x10/0x10
[  484.159083][T19622]  ? __fget_files+0x2a/0x420
[  484.159099][T19622]  ? __fget_files+0x3a0/0x420
[  484.159111][T19622]  ? __fget_files+0x2a/0x420
[  484.159132][T19622]  ksys_write+0x145/0x250
[  484.159144][T19622]  ? __fget_files+0x3a0/0x420
[  484.159158][T19622]  ? __pfx_ksys_write+0x10/0x10
[  484.159175][T19622]  ? do_syscall_64+0xbe/0x3b0
[  484.159188][T19622]  do_syscall_64+0xfa/0x3b0
[  484.159198][T19622]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.159213][T19622]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.159225][T19622]  ? clear_bhb_loop+0x60/0xb0
[  484.159240][T19622]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.159251][T19622] RIP: 0033:0x7f214c78d3df
[  484.159262][T19622] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.159272][T19622] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.159281][T19622] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.159287][T19622] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.159291][T19622] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.159296][T19622] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.159303][T19622] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.159320][T19622]  </TASK>
[  484.203148][T19624] FAULT_INJECTION: forcing a failure.
[  484.203148][T19624] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.203174][T19624] CPU: 0 UID: 0 PID: 19624 Comm: syz.0.6526 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.203188][T19624] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.203196][T19624] Call Trace:
[  484.203201][T19624]  <TASK>
[  484.203206][T19624]  dump_stack_lvl+0x189/0x250
[  484.203225][T19624]  ? __pfx____ratelimit+0x10/0x10
[  484.203240][T19624]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.203249][T19624]  ? __pfx__printk+0x10/0x10
[  484.203263][T19624]  ? __might_fault+0xb0/0x130
[  484.203282][T19624]  should_fail_ex+0x414/0x560
[  484.203302][T19624]  _copy_from_user+0x2d/0xb0
[  484.203317][T19624]  kstrtouint_from_user+0xc4/0x170
[  484.203336][T19624]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.203363][T19624]  proc_fail_nth_write+0x88/0x240
[  484.203380][T19624]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.203399][T19624]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.203417][T19624]  vfs_write+0x27e/0xa90
[  484.203437][T19624]  ? __pfx_vfs_write+0x10/0x10
[  484.203450][T19624]  ? __fget_files+0x2a/0x420
[  484.203466][T19624]  ? __fget_files+0x3a0/0x420
[  484.203479][T19624]  ? __fget_files+0x2a/0x420
[  484.203497][T19624]  ksys_write+0x145/0x250
[  484.203509][T19624]  ? __fget_files+0x3a0/0x420
[  484.203525][T19624]  ? __pfx_ksys_write+0x10/0x10
[  484.203541][T19624]  ? do_syscall_64+0xbe/0x3b0
[  484.203555][T19624]  do_syscall_64+0xfa/0x3b0
[  484.203565][T19624]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.203581][T19624]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.203592][T19624]  ? clear_bhb_loop+0x60/0xb0
[  484.203616][T19624]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.203626][T19624] RIP: 0033:0x7f214c78d3df
[  484.203638][T19624] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.203648][T19624] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.203660][T19624] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.203668][T19624] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.203674][T19624] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.203681][T19624] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.203687][T19624] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.203704][T19624]  </TASK>
[  484.232575][T19626] FAULT_INJECTION: forcing a failure.
[  484.232575][T19626] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.232601][T19626] CPU: 0 UID: 0 PID: 19626 Comm: syz.0.6527 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.232623][T19626] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.232631][T19626] Call Trace:
[  484.232637][T19626]  <TASK>
[  484.232642][T19626]  dump_stack_lvl+0x189/0x250
[  484.232655][T19626]  ? __pfx____ratelimit+0x10/0x10
[  484.232671][T19626]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.232684][T19626]  ? __pfx__printk+0x10/0x10
[  484.232700][T19626]  ? __might_fault+0xb0/0x130
[  484.232722][T19626]  should_fail_ex+0x414/0x560
[  484.232742][T19626]  _copy_from_user+0x2d/0xb0
[  484.232757][T19626]  kstrtouint_from_user+0xc4/0x170
[  484.232777][T19626]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.232805][T19626]  proc_fail_nth_write+0x88/0x240
[  484.232821][T19626]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.232839][T19626]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.232855][T19626]  vfs_write+0x27e/0xa90
[  484.232875][T19626]  ? __pfx_vfs_write+0x10/0x10
[  484.232889][T19626]  ? __fget_files+0x2a/0x420
[  484.232906][T19626]  ? __fget_files+0x3a0/0x420
[  484.232920][T19626]  ? __fget_files+0x2a/0x420
[  484.232940][T19626]  ksys_write+0x145/0x250
[  484.232952][T19626]  ? __fget_files+0x3a0/0x420
[  484.232966][T19626]  ? __pfx_ksys_write+0x10/0x10
[  484.232980][T19626]  ? do_syscall_64+0xbe/0x3b0
[  484.232995][T19626]  do_syscall_64+0xfa/0x3b0
[  484.233005][T19626]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.233022][T19626]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.233034][T19626]  ? clear_bhb_loop+0x60/0xb0
[  484.233049][T19626]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.233059][T19626] RIP: 0033:0x7f214c78d3df
[  484.233071][T19626] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.233080][T19626] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.233092][T19626] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.233100][T19626] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.233108][T19626] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.233115][T19626] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.233121][T19626] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.233138][T19626]  </TASK>
[  484.277159][T19628] FAULT_INJECTION: forcing a failure.
[  484.277159][T19628] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.277184][T19628] CPU: 0 UID: 0 PID: 19628 Comm: syz.0.6528 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.277200][T19628] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.277208][T19628] Call Trace:
[  484.277214][T19628]  <TASK>
[  484.277219][T19628]  dump_stack_lvl+0x189/0x250
[  484.277238][T19628]  ? __pfx____ratelimit+0x10/0x10
[  484.277258][T19628]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.277273][T19628]  ? __pfx__printk+0x10/0x10
[  484.277289][T19628]  ? __might_fault+0xb0/0x130
[  484.277313][T19628]  should_fail_ex+0x414/0x560
[  484.277332][T19628]  _copy_from_user+0x2d/0xb0
[  484.277347][T19628]  kstrtouint_from_user+0xc4/0x170
[  484.277368][T19628]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.277395][T19628]  proc_fail_nth_write+0x88/0x240
[  484.277413][T19628]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.277434][T19628]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.277451][T19628]  vfs_write+0x27e/0xa90
[  484.277472][T19628]  ? __pfx_vfs_write+0x10/0x10
[  484.277487][T19628]  ? __fget_files+0x2a/0x420
[  484.277505][T19628]  ? __fget_files+0x3a0/0x420
[  484.277519][T19628]  ? __fget_files+0x2a/0x420
[  484.277539][T19628]  ksys_write+0x145/0x250
[  484.277552][T19628]  ? __fget_files+0x3a0/0x420
[  484.277568][T19628]  ? __pfx_ksys_write+0x10/0x10
[  484.277586][T19628]  ? do_syscall_64+0xbe/0x3b0
[  484.277599][T19628]  do_syscall_64+0xfa/0x3b0
[  484.277618][T19628]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.277634][T19628]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.277646][T19628]  ? clear_bhb_loop+0x60/0xb0
[  484.277661][T19628]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.277673][T19628] RIP: 0033:0x7f214c78d3df
[  484.277685][T19628] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.277695][T19628] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.277708][T19628] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.277716][T19628] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.277724][T19628] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.277732][T19628] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.277739][T19628] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.277758][T19628]  </TASK>
[  484.310337][T19630] FAULT_INJECTION: forcing a failure.
[  484.310337][T19630] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.310364][T19630] CPU: 0 UID: 0 PID: 19630 Comm: syz.0.6529 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.310379][T19630] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.310387][T19630] Call Trace:
[  484.310393][T19630]  <TASK>
[  484.310398][T19630]  dump_stack_lvl+0x189/0x250
[  484.310418][T19630]  ? __pfx____ratelimit+0x10/0x10
[  484.310439][T19630]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.310454][T19630]  ? __pfx__printk+0x10/0x10
[  484.310470][T19630]  ? __might_fault+0xb0/0x130
[  484.310493][T19630]  should_fail_ex+0x414/0x560
[  484.310515][T19630]  _copy_from_user+0x2d/0xb0
[  484.310530][T19630]  kstrtouint_from_user+0xc4/0x170
[  484.310550][T19630]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.310579][T19630]  proc_fail_nth_write+0x88/0x240
[  484.310597][T19630]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.310626][T19630]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.310639][T19630]  vfs_write+0x27e/0xa90
[  484.310653][T19630]  ? __pfx_vfs_write+0x10/0x10
[  484.310662][T19630]  ? __fget_files+0x2a/0x420
[  484.310680][T19630]  ? __fget_files+0x3a0/0x420
[  484.310694][T19630]  ? __fget_files+0x2a/0x420
[  484.310715][T19630]  ksys_write+0x145/0x250
[  484.310729][T19630]  ? __fget_files+0x3a0/0x420
[  484.310745][T19630]  ? __pfx_ksys_write+0x10/0x10
[  484.310763][T19630]  ? do_syscall_64+0xbe/0x3b0
[  484.310774][T19630]  do_syscall_64+0xfa/0x3b0
[  484.310781][T19630]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.310793][T19630]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.310805][T19630]  ? clear_bhb_loop+0x60/0xb0
[  484.310818][T19630]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.310829][T19630] RIP: 0033:0x7f214c78d3df
[  484.310841][T19630] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.310851][T19630] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.310865][T19630] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.310874][T19630] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.310882][T19630] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.310890][T19630] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.310897][T19630] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.310916][T19630]  </TASK>
[  484.347635][T19632] FAULT_INJECTION: forcing a failure.
[  484.347635][T19632] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.347664][T19632] CPU: 0 UID: 0 PID: 19632 Comm: syz.0.6530 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.347680][T19632] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.347689][T19632] Call Trace:
[  484.347695][T19632]  <TASK>
[  484.347701][T19632]  dump_stack_lvl+0x189/0x250
[  484.347722][T19632]  ? __pfx____ratelimit+0x10/0x10
[  484.347742][T19632]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.347756][T19632]  ? __pfx__printk+0x10/0x10
[  484.347774][T19632]  ? __might_fault+0xb0/0x130
[  484.347798][T19632]  should_fail_ex+0x414/0x560
[  484.347820][T19632]  _copy_from_user+0x2d/0xb0
[  484.347837][T19632]  kstrtouint_from_user+0xc4/0x170
[  484.347859][T19632]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.347889][T19632]  proc_fail_nth_write+0x88/0x240
[  484.347909][T19632]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.347930][T19632]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.347949][T19632]  vfs_write+0x27e/0xa90
[  484.347970][T19632]  ? __pfx_vfs_write+0x10/0x10
[  484.347986][T19632]  ? __fget_files+0x2a/0x420
[  484.348005][T19632]  ? __fget_files+0x3a0/0x420
[  484.348020][T19632]  ? __fget_files+0x2a/0x420
[  484.348042][T19632]  ksys_write+0x145/0x250
[  484.348055][T19632]  ? __fget_files+0x3a0/0x420
[  484.348072][T19632]  ? __pfx_ksys_write+0x10/0x10
[  484.348090][T19632]  ? do_syscall_64+0xbe/0x3b0
[  484.348105][T19632]  do_syscall_64+0xfa/0x3b0
[  484.348116][T19632]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.348134][T19632]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.348146][T19632]  ? clear_bhb_loop+0x60/0xb0
[  484.348161][T19632]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.348172][T19632] RIP: 0033:0x7f214c78d3df
[  484.348184][T19632] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.348195][T19632] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.348208][T19632] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.348216][T19632] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.348224][T19632] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.348231][T19632] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.348237][T19632] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.348255][T19632]  </TASK>
[  484.380708][T19634] FAULT_INJECTION: forcing a failure.
[  484.380708][T19634] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.380733][T19634] CPU: 0 UID: 0 PID: 19634 Comm: syz.0.6531 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.380747][T19634] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.380754][T19634] Call Trace:
[  484.380760][T19634]  <TASK>
[  484.380765][T19634]  dump_stack_lvl+0x189/0x250
[  484.380786][T19634]  ? __pfx____ratelimit+0x10/0x10
[  484.380805][T19634]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.380819][T19634]  ? __pfx__printk+0x10/0x10
[  484.380836][T19634]  ? __might_fault+0xb0/0x130
[  484.380858][T19634]  should_fail_ex+0x414/0x560
[  484.380879][T19634]  _copy_from_user+0x2d/0xb0
[  484.380902][T19634]  kstrtouint_from_user+0xc4/0x170
[  484.380922][T19634]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.380950][T19634]  proc_fail_nth_write+0x88/0x240
[  484.380967][T19634]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.380986][T19634]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.381002][T19634]  vfs_write+0x27e/0xa90
[  484.381021][T19634]  ? __pfx_vfs_write+0x10/0x10
[  484.381033][T19634]  ? __fget_files+0x2a/0x420
[  484.381049][T19634]  ? __fget_files+0x3a0/0x420
[  484.381063][T19634]  ? __fget_files+0x2a/0x420
[  484.381082][T19634]  ksys_write+0x145/0x250
[  484.381094][T19634]  ? __fget_files+0x3a0/0x420
[  484.381108][T19634]  ? __pfx_ksys_write+0x10/0x10
[  484.381124][T19634]  ? do_syscall_64+0xbe/0x3b0
[  484.381138][T19634]  do_syscall_64+0xfa/0x3b0
[  484.381148][T19634]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.381176][T19634]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.381186][T19634]  ? clear_bhb_loop+0x60/0xb0
[  484.381200][T19634]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.381209][T19634] RIP: 0033:0x7f214c78d3df
[  484.381220][T19634] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.381229][T19634] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.381242][T19634] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.381253][T19634] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.381260][T19634] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.381267][T19634] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.381273][T19634] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.381289][T19634]  </TASK>
[  484.421468][T19636] FAULT_INJECTION: forcing a failure.
[  484.421468][T19636] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.421491][T19636] CPU: 0 UID: 0 PID: 19636 Comm: syz.0.6532 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.421503][T19636] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.421510][T19636] Call Trace:
[  484.421514][T19636]  <TASK>
[  484.421520][T19636]  dump_stack_lvl+0x189/0x250
[  484.421536][T19636]  ? __pfx____ratelimit+0x10/0x10
[  484.421553][T19636]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.421565][T19636]  ? __pfx__printk+0x10/0x10
[  484.421578][T19636]  ? __might_fault+0xb0/0x130
[  484.421605][T19636]  should_fail_ex+0x414/0x560
[  484.421623][T19636]  _copy_from_user+0x2d/0xb0
[  484.421636][T19636]  kstrtouint_from_user+0xc4/0x170
[  484.421652][T19636]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.421676][T19636]  proc_fail_nth_write+0x88/0x240
[  484.421691][T19636]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.421708][T19636]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.421722][T19636]  vfs_write+0x27e/0xa90
[  484.421739][T19636]  ? __pfx_vfs_write+0x10/0x10
[  484.421750][T19636]  ? __fget_files+0x2a/0x420
[  484.421765][T19636]  ? __fget_files+0x3a0/0x420
[  484.421777][T19636]  ? __fget_files+0x2a/0x420
[  484.421794][T19636]  ksys_write+0x145/0x250
[  484.421804][T19636]  ? __fget_files+0x3a0/0x420
[  484.421817][T19636]  ? __pfx_ksys_write+0x10/0x10
[  484.421831][T19636]  ? do_syscall_64+0xbe/0x3b0
[  484.421842][T19636]  do_syscall_64+0xfa/0x3b0
[  484.421851][T19636]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.421866][T19636]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.421876][T19636]  ? clear_bhb_loop+0x60/0xb0
[  484.421888][T19636]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.421897][T19636] RIP: 0033:0x7f214c78d3df
[  484.421906][T19636] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.421915][T19636] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.421925][T19636] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.421933][T19636] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.421939][T19636] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.421945][T19636] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.421951][T19636] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.421967][T19636]  </TASK>
[  484.451736][T19638] FAULT_INJECTION: forcing a failure.
[  484.451736][T19638] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.451765][T19638] CPU: 0 UID: 0 PID: 19638 Comm: syz.0.6533 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.451780][T19638] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.451788][T19638] Call Trace:
[  484.451793][T19638]  <TASK>
[  484.451799][T19638]  dump_stack_lvl+0x189/0x250
[  484.451819][T19638]  ? __pfx____ratelimit+0x10/0x10
[  484.451839][T19638]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.451853][T19638]  ? __pfx__printk+0x10/0x10
[  484.451869][T19638]  ? __might_fault+0xb0/0x130
[  484.451890][T19638]  should_fail_ex+0x414/0x560
[  484.451911][T19638]  _copy_from_user+0x2d/0xb0
[  484.451926][T19638]  kstrtouint_from_user+0xc4/0x170
[  484.451947][T19638]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.451980][T19638]  proc_fail_nth_write+0x88/0x240
[  484.451997][T19638]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.452022][T19638]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.452040][T19638]  vfs_write+0x27e/0xa90
[  484.452059][T19638]  ? __pfx_vfs_write+0x10/0x10
[  484.452073][T19638]  ? __fget_files+0x2a/0x420
[  484.452090][T19638]  ? __fget_files+0x3a0/0x420
[  484.452104][T19638]  ? __fget_files+0x2a/0x420
[  484.452125][T19638]  ksys_write+0x145/0x250
[  484.452143][T19638]  ? __fget_files+0x3a0/0x420
[  484.452158][T19638]  ? __pfx_ksys_write+0x10/0x10
[  484.452174][T19638]  ? do_syscall_64+0xbe/0x3b0
[  484.452188][T19638]  do_syscall_64+0xfa/0x3b0
[  484.452199][T19638]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.452217][T19638]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.452227][T19638]  ? clear_bhb_loop+0x60/0xb0
[  484.452247][T19638]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.452262][T19638] RIP: 0033:0x7f214c78d3df
[  484.452275][T19638] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.452285][T19638] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.452336][T19638] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.452346][T19638] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.452353][T19638] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.452361][T19638] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.452368][T19638] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.452389][T19638]  </TASK>
[  484.486776][T19640] FAULT_INJECTION: forcing a failure.
[  484.486776][T19640] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.486801][T19640] CPU: 0 UID: 0 PID: 19640 Comm: syz.0.6534 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.486814][T19640] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.486822][T19640] Call Trace:
[  484.486826][T19640]  <TASK>
[  484.486831][T19640]  dump_stack_lvl+0x189/0x250
[  484.486851][T19640]  ? __pfx____ratelimit+0x10/0x10
[  484.486870][T19640]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.486884][T19640]  ? __pfx__printk+0x10/0x10
[  484.486921][T19640]  ? __might_fault+0xb0/0x130
[  484.486943][T19640]  should_fail_ex+0x414/0x560
[  484.486963][T19640]  _copy_from_user+0x2d/0xb0
[  484.486977][T19640]  kstrtouint_from_user+0xc4/0x170
[  484.486996][T19640]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.487023][T19640]  proc_fail_nth_write+0x88/0x240
[  484.487039][T19640]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.487057][T19640]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.487073][T19640]  vfs_write+0x27e/0xa90
[  484.487093][T19640]  ? __pfx_vfs_write+0x10/0x10
[  484.487107][T19640]  ? __fget_files+0x2a/0x420
[  484.487123][T19640]  ? __fget_files+0x3a0/0x420
[  484.487136][T19640]  ? __fget_files+0x2a/0x420
[  484.487156][T19640]  ksys_write+0x145/0x250
[  484.487168][T19640]  ? __fget_files+0x3a0/0x420
[  484.487183][T19640]  ? __pfx_ksys_write+0x10/0x10
[  484.487197][T19640]  ? do_syscall_64+0xbe/0x3b0
[  484.487209][T19640]  do_syscall_64+0xfa/0x3b0
[  484.487218][T19640]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.487234][T19640]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.487247][T19640]  ? clear_bhb_loop+0x60/0xb0
[  484.487261][T19640]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.487272][T19640] RIP: 0033:0x7f214c78d3df
[  484.487283][T19640] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.487292][T19640] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.487305][T19640] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.487312][T19640] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.487319][T19640] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.487326][T19640] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.487334][T19640] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.487353][T19640]  </TASK>
[  484.522432][T19642] FAULT_INJECTION: forcing a failure.
[  484.522432][T19642] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.522459][T19642] CPU: 0 UID: 0 PID: 19642 Comm: syz.0.6535 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.522474][T19642] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.522482][T19642] Call Trace:
[  484.522488][T19642]  <TASK>
[  484.522494][T19642]  dump_stack_lvl+0x189/0x250
[  484.522535][T19642]  ? __pfx____ratelimit+0x10/0x10
[  484.522560][T19642]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.522574][T19642]  ? __pfx__printk+0x10/0x10
[  484.522598][T19642]  ? __might_fault+0xb0/0x130
[  484.522627][T19642]  should_fail_ex+0x414/0x560
[  484.522649][T19642]  _copy_from_user+0x2d/0xb0
[  484.522664][T19642]  kstrtouint_from_user+0xc4/0x170
[  484.522685][T19642]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.522714][T19642]  proc_fail_nth_write+0x88/0x240
[  484.522730][T19642]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.522751][T19642]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.522769][T19642]  vfs_write+0x27e/0xa90
[  484.522789][T19642]  ? __pfx_vfs_write+0x10/0x10
[  484.522802][T19642]  ? __fget_files+0x2a/0x420
[  484.522820][T19642]  ? __fget_files+0x3a0/0x420
[  484.522834][T19642]  ? __fget_files+0x2a/0x420
[  484.522853][T19642]  ksys_write+0x145/0x250
[  484.522864][T19642]  ? __fget_files+0x3a0/0x420
[  484.522880][T19642]  ? __pfx_ksys_write+0x10/0x10
[  484.522896][T19642]  ? do_syscall_64+0xbe/0x3b0
[  484.522910][T19642]  do_syscall_64+0xfa/0x3b0
[  484.522921][T19642]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.522939][T19642]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.522951][T19642]  ? clear_bhb_loop+0x60/0xb0
[  484.522966][T19642]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.522977][T19642] RIP: 0033:0x7f214c78d3df
[  484.522989][T19642] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.522999][T19642] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.523013][T19642] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.523021][T19642] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.523029][T19642] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.523036][T19642] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.523043][T19642] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.523063][T19642]  </TASK>
[  484.557718][T19644] FAULT_INJECTION: forcing a failure.
[  484.557718][T19644] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.557746][T19644] CPU: 0 UID: 0 PID: 19644 Comm: syz.0.6536 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.557761][T19644] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.557769][T19644] Call Trace:
[  484.557775][T19644]  <TASK>
[  484.557780][T19644]  dump_stack_lvl+0x189/0x250
[  484.557800][T19644]  ? __pfx____ratelimit+0x10/0x10
[  484.557821][T19644]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.557835][T19644]  ? __pfx__printk+0x10/0x10
[  484.557852][T19644]  ? __might_fault+0xb0/0x130
[  484.557875][T19644]  should_fail_ex+0x414/0x560
[  484.557897][T19644]  _copy_from_user+0x2d/0xb0
[  484.557913][T19644]  kstrtouint_from_user+0xc4/0x170
[  484.557933][T19644]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.557964][T19644]  proc_fail_nth_write+0x88/0x240
[  484.557981][T19644]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.558001][T19644]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.558020][T19644]  vfs_write+0x27e/0xa90
[  484.558040][T19644]  ? __pfx_vfs_write+0x10/0x10
[  484.558055][T19644]  ? __fget_files+0x2a/0x420
[  484.558075][T19644]  ? __fget_files+0x3a0/0x420
[  484.558090][T19644]  ? __fget_files+0x2a/0x420
[  484.558111][T19644]  ksys_write+0x145/0x250
[  484.558124][T19644]  ? __fget_files+0x3a0/0x420
[  484.558139][T19644]  ? __pfx_ksys_write+0x10/0x10
[  484.558157][T19644]  ? do_syscall_64+0xbe/0x3b0
[  484.558172][T19644]  do_syscall_64+0xfa/0x3b0
[  484.558183][T19644]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.558200][T19644]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.558213][T19644]  ? clear_bhb_loop+0x60/0xb0
[  484.558228][T19644]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.558239][T19644] RIP: 0033:0x7f214c78d3df
[  484.558251][T19644] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.558262][T19644] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.558276][T19644] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.558285][T19644] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.558292][T19644] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.558300][T19644] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.558308][T19644] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.558326][T19644]  </TASK>
[  484.598301][T19646] FAULT_INJECTION: forcing a failure.
[  484.598301][T19646] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.598326][T19646] CPU: 0 UID: 0 PID: 19646 Comm: syz.0.6537 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.598340][T19646] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.598348][T19646] Call Trace:
[  484.598353][T19646]  <TASK>
[  484.598358][T19646]  dump_stack_lvl+0x189/0x250
[  484.598376][T19646]  ? __pfx____ratelimit+0x10/0x10
[  484.598395][T19646]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.598408][T19646]  ? __pfx__printk+0x10/0x10
[  484.598424][T19646]  ? __might_fault+0xb0/0x130
[  484.598444][T19646]  should_fail_ex+0x414/0x560
[  484.598464][T19646]  _copy_from_user+0x2d/0xb0
[  484.598478][T19646]  kstrtouint_from_user+0xc4/0x170
[  484.598498][T19646]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.598523][T19646]  proc_fail_nth_write+0x88/0x240
[  484.598559][T19646]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.598578][T19646]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.598600][T19646]  vfs_write+0x27e/0xa90
[  484.598619][T19646]  ? __pfx_vfs_write+0x10/0x10
[  484.598636][T19646]  ? __fget_files+0x2a/0x420
[  484.598653][T19646]  ? __fget_files+0x3a0/0x420
[  484.598666][T19646]  ? __fget_files+0x2a/0x420
[  484.598686][T19646]  ksys_write+0x145/0x250
[  484.598698][T19646]  ? __fget_files+0x3a0/0x420
[  484.598713][T19646]  ? __pfx_ksys_write+0x10/0x10
[  484.598729][T19646]  ? do_syscall_64+0xbe/0x3b0
[  484.598743][T19646]  do_syscall_64+0xfa/0x3b0
[  484.598753][T19646]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.598769][T19646]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.598781][T19646]  ? clear_bhb_loop+0x60/0xb0
[  484.598796][T19646]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.598806][T19646] RIP: 0033:0x7f214c78d3df
[  484.598817][T19646] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.598828][T19646] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.598842][T19646] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.598850][T19646] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.598858][T19646] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.598865][T19646] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.598872][T19646] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.598890][T19646]  </TASK>
[  484.631057][T19648] FAULT_INJECTION: forcing a failure.
[  484.631057][T19648] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.631075][T19648] CPU: 0 UID: 0 PID: 19648 Comm: syz.0.6538 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.631085][T19648] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.631092][T19648] Call Trace:
[  484.631095][T19648]  <TASK>
[  484.631099][T19648]  dump_stack_lvl+0x189/0x250
[  484.631112][T19648]  ? __pfx____ratelimit+0x10/0x10
[  484.631124][T19648]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.631134][T19648]  ? __pfx__printk+0x10/0x10
[  484.631144][T19648]  ? __might_fault+0xb0/0x130
[  484.631159][T19648]  should_fail_ex+0x414/0x560
[  484.631172][T19648]  _copy_from_user+0x2d/0xb0
[  484.631187][T19648]  kstrtouint_from_user+0xc4/0x170
[  484.631205][T19648]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.631231][T19648]  proc_fail_nth_write+0x88/0x240
[  484.631247][T19648]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.631266][T19648]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.631281][T19648]  vfs_write+0x27e/0xa90
[  484.631300][T19648]  ? __pfx_vfs_write+0x10/0x10
[  484.631312][T19648]  ? __fget_files+0x2a/0x420
[  484.631329][T19648]  ? __fget_files+0x3a0/0x420
[  484.631341][T19648]  ? __fget_files+0x2a/0x420
[  484.631357][T19648]  ksys_write+0x145/0x250
[  484.631367][T19648]  ? __fget_files+0x3a0/0x420
[  484.631380][T19648]  ? __pfx_ksys_write+0x10/0x10
[  484.631395][T19648]  ? do_syscall_64+0xbe/0x3b0
[  484.631407][T19648]  do_syscall_64+0xfa/0x3b0
[  484.631416][T19648]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.631431][T19648]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.631441][T19648]  ? clear_bhb_loop+0x60/0xb0
[  484.631453][T19648]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.631463][T19648] RIP: 0033:0x7f214c78d3df
[  484.631474][T19648] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.631483][T19648] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.631495][T19648] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.631503][T19648] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.631510][T19648] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.631517][T19648] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.631524][T19648] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.631542][T19648]  </TASK>
[  484.667797][T19650] FAULT_INJECTION: forcing a failure.
[  484.667797][T19650] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.667823][T19650] CPU: 0 UID: 0 PID: 19650 Comm: syz.0.6539 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.667836][T19650] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.667844][T19650] Call Trace:
[  484.667849][T19650]  <TASK>
[  484.667854][T19650]  dump_stack_lvl+0x189/0x250
[  484.667875][T19650]  ? __pfx____ratelimit+0x10/0x10
[  484.667893][T19650]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.667907][T19650]  ? __pfx__printk+0x10/0x10
[  484.667922][T19650]  ? __might_fault+0xb0/0x130
[  484.667943][T19650]  should_fail_ex+0x414/0x560
[  484.667964][T19650]  _copy_from_user+0x2d/0xb0
[  484.667979][T19650]  kstrtouint_from_user+0xc4/0x170
[  484.667999][T19650]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.668026][T19650]  proc_fail_nth_write+0x88/0x240
[  484.668043][T19650]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.668061][T19650]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.668078][T19650]  vfs_write+0x27e/0xa90
[  484.668097][T19650]  ? __pfx_vfs_write+0x10/0x10
[  484.668110][T19650]  ? __fget_files+0x2a/0x420
[  484.668128][T19650]  ? __fget_files+0x3a0/0x420
[  484.668142][T19650]  ? __fget_files+0x2a/0x420
[  484.668162][T19650]  ksys_write+0x145/0x250
[  484.668174][T19650]  ? __fget_files+0x3a0/0x420
[  484.668189][T19650]  ? __pfx_ksys_write+0x10/0x10
[  484.668204][T19650]  ? do_syscall_64+0xbe/0x3b0
[  484.668218][T19650]  do_syscall_64+0xfa/0x3b0
[  484.668227][T19650]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.668245][T19650]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.668257][T19650]  ? clear_bhb_loop+0x60/0xb0
[  484.668269][T19650]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.668279][T19650] RIP: 0033:0x7f214c78d3df
[  484.668290][T19650] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.668339][T19650] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.668353][T19650] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.668361][T19650] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.668368][T19650] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.668375][T19650] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.668382][T19650] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.668400][T19650]  </TASK>
[  484.717049][T19652] FAULT_INJECTION: forcing a failure.
[  484.717049][T19652] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.717078][T19652] CPU: 0 UID: 0 PID: 19652 Comm: syz.0.6540 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.717092][T19652] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.717101][T19652] Call Trace:
[  484.717107][T19652]  <TASK>
[  484.717112][T19652]  dump_stack_lvl+0x189/0x250
[  484.717262][T19652]  ? __pfx____ratelimit+0x10/0x10
[  484.717320][T19652]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.717335][T19652]  ? __pfx__printk+0x10/0x10
[  484.717353][T19652]  ? __might_fault+0xb0/0x130
[  484.717409][T19652]  should_fail_ex+0x414/0x560
[  484.717431][T19652]  _copy_from_user+0x2d/0xb0
[  484.717446][T19652]  kstrtouint_from_user+0xc4/0x170
[  484.717465][T19652]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.717492][T19652]  proc_fail_nth_write+0x88/0x240
[  484.717509][T19652]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.717529][T19652]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.717546][T19652]  vfs_write+0x27e/0xa90
[  484.717565][T19652]  ? __pfx_vfs_write+0x10/0x10
[  484.717580][T19652]  ? __fget_files+0x2a/0x420
[  484.717608][T19652]  ? __fget_files+0x3a0/0x420
[  484.717622][T19652]  ? __fget_files+0x2a/0x420
[  484.717642][T19652]  ksys_write+0x145/0x250
[  484.717656][T19652]  ? __pfx_ksys_write+0x10/0x10
[  484.717667][T19652]  ? rcu_is_watching+0x15/0xb0
[  484.717687][T19652]  ? do_syscall_64+0xbe/0x3b0
[  484.717701][T19652]  do_syscall_64+0xfa/0x3b0
[  484.717712][T19652]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.717730][T19652]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.717742][T19652]  ? clear_bhb_loop+0x60/0xb0
[  484.717757][T19652]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.717767][T19652] RIP: 0033:0x7f214c78d3df
[  484.717780][T19652] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.717790][T19652] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.717804][T19652] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.717812][T19652] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.717818][T19652] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.717826][T19652] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.717832][T19652] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.717849][T19652]  </TASK>
[  484.748222][T19654] FAULT_INJECTION: forcing a failure.
[  484.748222][T19654] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.748246][T19654] CPU: 0 UID: 0 PID: 19654 Comm: syz.0.6541 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.748259][T19654] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.748267][T19654] Call Trace:
[  484.748273][T19654]  <TASK>
[  484.748278][T19654]  dump_stack_lvl+0x189/0x250
[  484.748333][T19654]  ? __pfx____ratelimit+0x10/0x10
[  484.748352][T19654]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.748366][T19654]  ? __pfx__printk+0x10/0x10
[  484.748381][T19654]  ? __might_fault+0xb0/0x130
[  484.748403][T19654]  should_fail_ex+0x414/0x560
[  484.748422][T19654]  _copy_from_user+0x2d/0xb0
[  484.748438][T19654]  kstrtouint_from_user+0xc4/0x170
[  484.748457][T19654]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.748482][T19654]  proc_fail_nth_write+0x88/0x240
[  484.748498][T19654]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.748518][T19654]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.748534][T19654]  vfs_write+0x27e/0xa90
[  484.748552][T19654]  ? __pfx_vfs_write+0x10/0x10
[  484.748565][T19654]  ? __fget_files+0x2a/0x420
[  484.748582][T19654]  ? __fget_files+0x3a0/0x420
[  484.748594][T19654]  ? __fget_files+0x2a/0x420
[  484.748615][T19654]  ksys_write+0x145/0x250
[  484.748627][T19654]  ? __fget_files+0x3a0/0x420
[  484.748642][T19654]  ? __pfx_ksys_write+0x10/0x10
[  484.748658][T19654]  ? do_syscall_64+0xbe/0x3b0
[  484.748672][T19654]  do_syscall_64+0xfa/0x3b0
[  484.748682][T19654]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.748701][T19654]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.748711][T19654]  ? clear_bhb_loop+0x60/0xb0
[  484.748725][T19654]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.748736][T19654] RIP: 0033:0x7f214c78d3df
[  484.748748][T19654] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.748758][T19654] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.748771][T19654] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.748778][T19654] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.748784][T19654] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.748789][T19654] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.748794][T19654] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.748805][T19654]  </TASK>
[  484.782189][T19656] FAULT_INJECTION: forcing a failure.
[  484.782189][T19656] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.782218][T19656] CPU: 0 UID: 0 PID: 19656 Comm: syz.0.6542 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.782234][T19656] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.782243][T19656] Call Trace:
[  484.782249][T19656]  <TASK>
[  484.782255][T19656]  dump_stack_lvl+0x189/0x250
[  484.782277][T19656]  ? __pfx____ratelimit+0x10/0x10
[  484.782299][T19656]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.782315][T19656]  ? __pfx__printk+0x10/0x10
[  484.782333][T19656]  ? __might_fault+0xb0/0x130
[  484.782358][T19656]  should_fail_ex+0x414/0x560
[  484.782382][T19656]  _copy_from_user+0x2d/0xb0
[  484.782399][T19656]  kstrtouint_from_user+0xc4/0x170
[  484.782423][T19656]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.782452][T19656]  proc_fail_nth_write+0x88/0x240
[  484.782470][T19656]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.782490][T19656]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.782509][T19656]  vfs_write+0x27e/0xa90
[  484.782529][T19656]  ? __pfx_vfs_write+0x10/0x10
[  484.782544][T19656]  ? __fget_files+0x2a/0x420
[  484.782564][T19656]  ? __fget_files+0x3a0/0x420
[  484.782578][T19656]  ? __fget_files+0x2a/0x420
[  484.782599][T19656]  ksys_write+0x145/0x250
[  484.782620][T19656]  ? __fget_files+0x3a0/0x420
[  484.782635][T19656]  ? __pfx_ksys_write+0x10/0x10
[  484.782650][T19656]  ? do_syscall_64+0xbe/0x3b0
[  484.782663][T19656]  do_syscall_64+0xfa/0x3b0
[  484.782672][T19656]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.782688][T19656]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.782700][T19656]  ? clear_bhb_loop+0x60/0xb0
[  484.782713][T19656]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.782723][T19656] RIP: 0033:0x7f214c78d3df
[  484.782734][T19656] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.782743][T19656] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.782756][T19656] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.782764][T19656] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.782772][T19656] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.782779][T19656] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.782786][T19656] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.782803][T19656]  </TASK>
[  484.809955][T19658] FAULT_INJECTION: forcing a failure.
[  484.809955][T19658] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.809978][T19658] CPU: 0 UID: 0 PID: 19658 Comm: syz.0.6543 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.809991][T19658] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.809998][T19658] Call Trace:
[  484.810003][T19658]  <TASK>
[  484.810008][T19658]  dump_stack_lvl+0x189/0x250
[  484.810026][T19658]  ? __pfx____ratelimit+0x10/0x10
[  484.810042][T19658]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.810055][T19658]  ? __pfx__printk+0x10/0x10
[  484.810069][T19658]  ? __might_fault+0xb0/0x130
[  484.810089][T19658]  should_fail_ex+0x414/0x560
[  484.810106][T19658]  _copy_from_user+0x2d/0xb0
[  484.810120][T19658]  kstrtouint_from_user+0xc4/0x170
[  484.810138][T19658]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.810164][T19658]  proc_fail_nth_write+0x88/0x240
[  484.810180][T19658]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.810198][T19658]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.810213][T19658]  vfs_write+0x27e/0xa90
[  484.810233][T19658]  ? __pfx_vfs_write+0x10/0x10
[  484.810246][T19658]  ? __fget_files+0x2a/0x420
[  484.810262][T19658]  ? __fget_files+0x3a0/0x420
[  484.810275][T19658]  ? __fget_files+0x2a/0x420
[  484.810293][T19658]  ksys_write+0x145/0x250
[  484.810303][T19658]  ? __fget_files+0x3a0/0x420
[  484.810316][T19658]  ? __pfx_ksys_write+0x10/0x10
[  484.810331][T19658]  ? do_syscall_64+0xbe/0x3b0
[  484.810344][T19658]  do_syscall_64+0xfa/0x3b0
[  484.810355][T19658]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.810371][T19658]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.810385][T19658]  ? clear_bhb_loop+0x60/0xb0
[  484.810399][T19658]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.810409][T19658] RIP: 0033:0x7f214c78d3df
[  484.810420][T19658] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.810430][T19658] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.810443][T19658] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.810451][T19658] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.810459][T19658] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.810466][T19658] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.810473][T19658] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.810491][T19658]  </TASK>
[  484.848375][T19660] FAULT_INJECTION: forcing a failure.
[  484.848375][T19660] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.848404][T19660] CPU: 0 UID: 0 PID: 19660 Comm: syz.0.6544 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.848419][T19660] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.848427][T19660] Call Trace:
[  484.848433][T19660]  <TASK>
[  484.848438][T19660]  dump_stack_lvl+0x189/0x250
[  484.848458][T19660]  ? __pfx____ratelimit+0x10/0x10
[  484.848478][T19660]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.848493][T19660]  ? __pfx__printk+0x10/0x10
[  484.848505][T19660]  ? __might_fault+0xb0/0x130
[  484.848520][T19660]  should_fail_ex+0x414/0x560
[  484.848535][T19660]  _copy_from_user+0x2d/0xb0
[  484.848545][T19660]  kstrtouint_from_user+0xc4/0x170
[  484.848559][T19660]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.848584][T19660]  proc_fail_nth_write+0x88/0x240
[  484.848596][T19660]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.848610][T19660]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.848621][T19660]  vfs_write+0x27e/0xa90
[  484.848634][T19660]  ? __pfx_vfs_write+0x10/0x10
[  484.848643][T19660]  ? __fget_files+0x2a/0x420
[  484.848661][T19660]  ? __fget_files+0x3a0/0x420
[  484.848675][T19660]  ? __fget_files+0x2a/0x420
[  484.848695][T19660]  ksys_write+0x145/0x250
[  484.848708][T19660]  ? __fget_files+0x3a0/0x420
[  484.848725][T19660]  ? __pfx_ksys_write+0x10/0x10
[  484.848743][T19660]  ? do_syscall_64+0xbe/0x3b0
[  484.848758][T19660]  do_syscall_64+0xfa/0x3b0
[  484.848769][T19660]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.848787][T19660]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.848800][T19660]  ? clear_bhb_loop+0x60/0xb0
[  484.848814][T19660]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.848825][T19660] RIP: 0033:0x7f214c78d3df
[  484.848836][T19660] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.848846][T19660] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.848858][T19660] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.848867][T19660] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.848874][T19660] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.848882][T19660] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.848890][T19660] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.848909][T19660]  </TASK>
[  484.881016][T19662] FAULT_INJECTION: forcing a failure.
[  484.881016][T19662] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.881042][T19662] CPU: 0 UID: 0 PID: 19662 Comm: syz.0.6545 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.881057][T19662] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.881065][T19662] Call Trace:
[  484.881070][T19662]  <TASK>
[  484.881076][T19662]  dump_stack_lvl+0x189/0x250
[  484.881095][T19662]  ? __pfx____ratelimit+0x10/0x10
[  484.881114][T19662]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.881129][T19662]  ? __pfx__printk+0x10/0x10
[  484.881147][T19662]  ? __might_fault+0xb0/0x130
[  484.881164][T19662]  should_fail_ex+0x414/0x560
[  484.881179][T19662]  _copy_from_user+0x2d/0xb0
[  484.881190][T19662]  kstrtouint_from_user+0xc4/0x170
[  484.881205][T19662]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.881225][T19662]  proc_fail_nth_write+0x88/0x240
[  484.881238][T19662]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.881252][T19662]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.881265][T19662]  vfs_write+0x27e/0xa90
[  484.881279][T19662]  ? __pfx_vfs_write+0x10/0x10
[  484.881289][T19662]  ? __fget_files+0x2a/0x420
[  484.881302][T19662]  ? __fget_files+0x3a0/0x420
[  484.881312][T19662]  ? __fget_files+0x2a/0x420
[  484.881326][T19662]  ksys_write+0x145/0x250
[  484.881335][T19662]  ? __fget_files+0x3a0/0x420
[  484.881346][T19662]  ? __pfx_ksys_write+0x10/0x10
[  484.881358][T19662]  ? do_syscall_64+0xbe/0x3b0
[  484.881368][T19662]  do_syscall_64+0xfa/0x3b0
[  484.881379][T19662]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.881397][T19662]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.881408][T19662]  ? clear_bhb_loop+0x60/0xb0
[  484.881424][T19662]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.881432][T19662] RIP: 0033:0x7f214c78d3df
[  484.881441][T19662] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.881448][T19662] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.881459][T19662] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.881465][T19662] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.881470][T19662] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.881476][T19662] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.881481][T19662] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.881494][T19662]  </TASK>
[  484.921044][T19664] FAULT_INJECTION: forcing a failure.
[  484.921044][T19664] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.921070][T19664] CPU: 0 UID: 0 PID: 19664 Comm: syz.0.6546 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.921084][T19664] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.921091][T19664] Call Trace:
[  484.921096][T19664]  <TASK>
[  484.921101][T19664]  dump_stack_lvl+0x189/0x250
[  484.921139][T19664]  ? __pfx____ratelimit+0x10/0x10
[  484.921158][T19664]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.921167][T19664]  ? __pfx__printk+0x10/0x10
[  484.921178][T19664]  ? __might_fault+0xb0/0x130
[  484.921196][T19664]  should_fail_ex+0x414/0x560
[  484.921209][T19664]  _copy_from_user+0x2d/0xb0
[  484.921219][T19664]  kstrtouint_from_user+0xc4/0x170
[  484.921232][T19664]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.921250][T19664]  proc_fail_nth_write+0x88/0x240
[  484.921261][T19664]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.921279][T19664]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.921296][T19664]  vfs_write+0x27e/0xa90
[  484.921316][T19664]  ? __pfx_vfs_write+0x10/0x10
[  484.921330][T19664]  ? __fget_files+0x2a/0x420
[  484.921347][T19664]  ? __fget_files+0x3a0/0x420
[  484.921359][T19664]  ? __fget_files+0x2a/0x420
[  484.921378][T19664]  ksys_write+0x145/0x250
[  484.921390][T19664]  ? __fget_files+0x3a0/0x420
[  484.921403][T19664]  ? __pfx_ksys_write+0x10/0x10
[  484.921419][T19664]  ? do_syscall_64+0xbe/0x3b0
[  484.921432][T19664]  do_syscall_64+0xfa/0x3b0
[  484.921443][T19664]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.921460][T19664]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.921471][T19664]  ? clear_bhb_loop+0x60/0xb0
[  484.921485][T19664]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.921494][T19664] RIP: 0033:0x7f214c78d3df
[  484.921505][T19664] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.921515][T19664] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.921526][T19664] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.921534][T19664] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.921541][T19664] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.921548][T19664] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.921555][T19664] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.921572][T19664]  </TASK>
[  484.961105][T19666] FAULT_INJECTION: forcing a failure.
[  484.961105][T19666] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.961132][T19666] CPU: 0 UID: 0 PID: 19666 Comm: syz.0.6547 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.961147][T19666] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.961156][T19666] Call Trace:
[  484.961161][T19666]  <TASK>
[  484.961167][T19666]  dump_stack_lvl+0x189/0x250
[  484.961188][T19666]  ? __pfx____ratelimit+0x10/0x10
[  484.961207][T19666]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.961222][T19666]  ? __pfx__printk+0x10/0x10
[  484.961239][T19666]  ? __might_fault+0xb0/0x130
[  484.961272][T19666]  should_fail_ex+0x414/0x560
[  484.961294][T19666]  _copy_from_user+0x2d/0xb0
[  484.961312][T19666]  kstrtouint_from_user+0xc4/0x170
[  484.961333][T19666]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.961364][T19666]  proc_fail_nth_write+0x88/0x240
[  484.961382][T19666]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.961404][T19666]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.961423][T19666]  vfs_write+0x27e/0xa90
[  484.961444][T19666]  ? __pfx_vfs_write+0x10/0x10
[  484.961460][T19666]  ? __fget_files+0x2a/0x420
[  484.961479][T19666]  ? __fget_files+0x3a0/0x420
[  484.961495][T19666]  ? __fget_files+0x2a/0x420
[  484.961516][T19666]  ksys_write+0x145/0x250
[  484.961530][T19666]  ? __fget_files+0x3a0/0x420
[  484.961546][T19666]  ? __pfx_ksys_write+0x10/0x10
[  484.961565][T19666]  ? do_syscall_64+0xbe/0x3b0
[  484.961580][T19666]  do_syscall_64+0xfa/0x3b0
[  484.961592][T19666]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.961611][T19666]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.961623][T19666]  ? clear_bhb_loop+0x60/0xb0
[  484.961639][T19666]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.961650][T19666] RIP: 0033:0x7f214c78d3df
[  484.961663][T19666] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.961674][T19666] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.961687][T19666] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.961697][T19666] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.961705][T19666] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.961713][T19666] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.961721][T19666] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.961742][T19666]  </TASK>
[  484.992232][T19668] FAULT_INJECTION: forcing a failure.
[  484.992232][T19668] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  484.992258][T19668] CPU: 0 UID: 0 PID: 19668 Comm: syz.0.6548 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  484.992272][T19668] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  484.992280][T19668] Call Trace:
[  484.992286][T19668]  <TASK>
[  484.992325][T19668]  dump_stack_lvl+0x189/0x250
[  484.992344][T19668]  ? __pfx____ratelimit+0x10/0x10
[  484.992363][T19668]  ? __pfx_dump_stack_lvl+0x10/0x10
[  484.992377][T19668]  ? __pfx__printk+0x10/0x10
[  484.992392][T19668]  ? __might_fault+0xb0/0x130
[  484.992414][T19668]  should_fail_ex+0x414/0x560
[  484.992435][T19668]  _copy_from_user+0x2d/0xb0
[  484.992453][T19668]  kstrtouint_from_user+0xc4/0x170
[  484.992472][T19668]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  484.992501][T19668]  proc_fail_nth_write+0x88/0x240
[  484.992516][T19668]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.992535][T19668]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  484.992552][T19668]  vfs_write+0x27e/0xa90
[  484.992570][T19668]  ? __pfx_vfs_write+0x10/0x10
[  484.992584][T19668]  ? __fget_files+0x2a/0x420
[  484.992601][T19668]  ? __fget_files+0x3a0/0x420
[  484.992613][T19668]  ? __fget_files+0x2a/0x420
[  484.992634][T19668]  ksys_write+0x145/0x250
[  484.992646][T19668]  ? __fget_files+0x3a0/0x420
[  484.992661][T19668]  ? __pfx_ksys_write+0x10/0x10
[  484.992676][T19668]  ? do_syscall_64+0xbe/0x3b0
[  484.992686][T19668]  do_syscall_64+0xfa/0x3b0
[  484.992693][T19668]  ? lockdep_hardirqs_on+0x9c/0x150
[  484.992705][T19668]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.992716][T19668]  ? clear_bhb_loop+0x60/0xb0
[  484.992728][T19668]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  484.992739][T19668] RIP: 0033:0x7f214c78d3df
[  484.992751][T19668] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  484.992760][T19668] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  484.992772][T19668] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  484.992780][T19668] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  484.992786][T19668] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  484.992792][T19668] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  484.992798][T19668] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  484.992817][T19668]  </TASK>
[  485.027986][T19670] FAULT_INJECTION: forcing a failure.
[  485.027986][T19670] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.028012][T19670] CPU: 0 UID: 0 PID: 19670 Comm: syz.0.6549 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.028026][T19670] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.028035][T19670] Call Trace:
[  485.028040][T19670]  <TASK>
[  485.028046][T19670]  dump_stack_lvl+0x189/0x250
[  485.028066][T19670]  ? __pfx____ratelimit+0x10/0x10
[  485.028086][T19670]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.028101][T19670]  ? __pfx__printk+0x10/0x10
[  485.028118][T19670]  ? __might_fault+0xb0/0x130
[  485.028140][T19670]  should_fail_ex+0x414/0x560
[  485.028162][T19670]  _copy_from_user+0x2d/0xb0
[  485.028177][T19670]  kstrtouint_from_user+0xc4/0x170
[  485.028198][T19670]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.028224][T19670]  proc_fail_nth_write+0x88/0x240
[  485.028241][T19670]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.028259][T19670]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.028276][T19670]  vfs_write+0x27e/0xa90
[  485.028326][T19670]  ? __pfx_vfs_write+0x10/0x10
[  485.028342][T19670]  ? __fget_files+0x2a/0x420
[  485.028360][T19670]  ? __fget_files+0x3a0/0x420
[  485.028373][T19670]  ? __fget_files+0x2a/0x420
[  485.028391][T19670]  ksys_write+0x145/0x250
[  485.028403][T19670]  ? __fget_files+0x3a0/0x420
[  485.028419][T19670]  ? __pfx_ksys_write+0x10/0x10
[  485.028435][T19670]  ? do_syscall_64+0xbe/0x3b0
[  485.028449][T19670]  do_syscall_64+0xfa/0x3b0
[  485.028458][T19670]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.028475][T19670]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.028486][T19670]  ? clear_bhb_loop+0x60/0xb0
[  485.028500][T19670]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.028510][T19670] RIP: 0033:0x7f214c78d3df
[  485.028521][T19670] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.028531][T19670] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.028544][T19670] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.028551][T19670] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.028557][T19670] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.028564][T19670] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.028570][T19670] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.028586][T19670]  </TASK>
[  485.063952][T19672] FAULT_INJECTION: forcing a failure.
[  485.063952][T19672] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.063978][T19672] CPU: 0 UID: 0 PID: 19672 Comm: syz.0.6550 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.063992][T19672] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.064001][T19672] Call Trace:
[  485.064006][T19672]  <TASK>
[  485.064012][T19672]  dump_stack_lvl+0x189/0x250
[  485.064031][T19672]  ? __pfx____ratelimit+0x10/0x10
[  485.064049][T19672]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.064063][T19672]  ? __pfx__printk+0x10/0x10
[  485.064078][T19672]  ? __might_fault+0xb0/0x130
[  485.064128][T19672]  should_fail_ex+0x414/0x560
[  485.064149][T19672]  _copy_from_user+0x2d/0xb0
[  485.064165][T19672]  kstrtouint_from_user+0xc4/0x170
[  485.064184][T19672]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.064212][T19672]  proc_fail_nth_write+0x88/0x240
[  485.064228][T19672]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.064247][T19672]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.064265][T19672]  vfs_write+0x27e/0xa90
[  485.064284][T19672]  ? __pfx_vfs_write+0x10/0x10
[  485.064326][T19672]  ? __fget_files+0x2a/0x420
[  485.064345][T19672]  ? __fget_files+0x3a0/0x420
[  485.064359][T19672]  ? __fget_files+0x2a/0x420
[  485.064375][T19672]  ksys_write+0x145/0x250
[  485.064387][T19672]  ? __fget_files+0x3a0/0x420
[  485.064400][T19672]  ? __pfx_ksys_write+0x10/0x10
[  485.064417][T19672]  ? do_syscall_64+0xbe/0x3b0
[  485.064430][T19672]  do_syscall_64+0xfa/0x3b0
[  485.064440][T19672]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.064457][T19672]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.064468][T19672]  ? clear_bhb_loop+0x60/0xb0
[  485.064483][T19672]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.064493][T19672] RIP: 0033:0x7f214c78d3df
[  485.064505][T19672] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.064515][T19672] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.064529][T19672] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.064538][T19672] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.064545][T19672] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.064552][T19672] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.064559][T19672] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.064578][T19672]  </TASK>
[  485.118645][T19674] FAULT_INJECTION: forcing a failure.
[  485.118645][T19674] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.118671][T19674] CPU: 0 UID: 0 PID: 19674 Comm: syz.0.6551 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.118685][T19674] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.118692][T19674] Call Trace:
[  485.118698][T19674]  <TASK>
[  485.118704][T19674]  dump_stack_lvl+0x189/0x250
[  485.118744][T19674]  ? __pfx____ratelimit+0x10/0x10
[  485.118770][T19674]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.118785][T19674]  ? __pfx__printk+0x10/0x10
[  485.118800][T19674]  ? __might_fault+0xb0/0x130
[  485.118830][T19674]  should_fail_ex+0x414/0x560
[  485.118849][T19674]  _copy_from_user+0x2d/0xb0
[  485.118866][T19674]  kstrtouint_from_user+0xc4/0x170
[  485.118886][T19674]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.118915][T19674]  proc_fail_nth_write+0x88/0x240
[  485.118932][T19674]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.118952][T19674]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.118970][T19674]  vfs_write+0x27e/0xa90
[  485.118989][T19674]  ? __pfx_vfs_write+0x10/0x10
[  485.119003][T19674]  ? __fget_files+0x2a/0x420
[  485.119022][T19674]  ? __fget_files+0x3a0/0x420
[  485.119036][T19674]  ? __fget_files+0x2a/0x420
[  485.119052][T19674]  ksys_write+0x145/0x250
[  485.119065][T19674]  ? __fget_files+0x3a0/0x420
[  485.119079][T19674]  ? __pfx_ksys_write+0x10/0x10
[  485.119096][T19674]  ? do_syscall_64+0xbe/0x3b0
[  485.119111][T19674]  do_syscall_64+0xfa/0x3b0
[  485.119122][T19674]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.119140][T19674]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.119152][T19674]  ? clear_bhb_loop+0x60/0xb0
[  485.119167][T19674]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.119177][T19674] RIP: 0033:0x7f214c78d3df
[  485.119189][T19674] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.119200][T19674] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.119214][T19674] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.119223][T19674] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.119231][T19674] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.119239][T19674] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.119247][T19674] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.119266][T19674]  </TASK>
[  485.148742][T19676] FAULT_INJECTION: forcing a failure.
[  485.148742][T19676] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.148769][T19676] CPU: 0 UID: 0 PID: 19676 Comm: syz.0.6552 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.148784][T19676] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.148793][T19676] Call Trace:
[  485.148799][T19676]  <TASK>
[  485.148805][T19676]  dump_stack_lvl+0x189/0x250
[  485.148824][T19676]  ? __pfx____ratelimit+0x10/0x10
[  485.148843][T19676]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.148856][T19676]  ? __pfx__printk+0x10/0x10
[  485.148873][T19676]  ? __might_fault+0xb0/0x130
[  485.148895][T19676]  should_fail_ex+0x414/0x560
[  485.148917][T19676]  _copy_from_user+0x2d/0xb0
[  485.148934][T19676]  kstrtouint_from_user+0xc4/0x170
[  485.148955][T19676]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.148985][T19676]  proc_fail_nth_write+0x88/0x240
[  485.149004][T19676]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.149024][T19676]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.149043][T19676]  vfs_write+0x27e/0xa90
[  485.149064][T19676]  ? __pfx_vfs_write+0x10/0x10
[  485.149080][T19676]  ? __fget_files+0x2a/0x420
[  485.149098][T19676]  ? __fget_files+0x3a0/0x420
[  485.149113][T19676]  ? __fget_files+0x2a/0x420
[  485.149136][T19676]  ksys_write+0x145/0x250
[  485.149149][T19676]  ? __fget_files+0x3a0/0x420
[  485.149166][T19676]  ? __pfx_ksys_write+0x10/0x10
[  485.149185][T19676]  ? do_syscall_64+0xbe/0x3b0
[  485.149200][T19676]  do_syscall_64+0xfa/0x3b0
[  485.149211][T19676]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.149228][T19676]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.149240][T19676]  ? clear_bhb_loop+0x60/0xb0
[  485.149258][T19676]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.149270][T19676] RIP: 0033:0x7f214c78d3df
[  485.149282][T19676] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.149292][T19676] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.149306][T19676] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.149315][T19676] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.149324][T19676] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.149332][T19676] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.149341][T19676] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.149360][T19676]  </TASK>
[  485.180230][T19678] FAULT_INJECTION: forcing a failure.
[  485.180230][T19678] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.180257][T19678] CPU: 0 UID: 0 PID: 19678 Comm: syz.0.6553 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.180272][T19678] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.180279][T19678] Call Trace:
[  485.180285][T19678]  <TASK>
[  485.180327][T19678]  dump_stack_lvl+0x189/0x250
[  485.180345][T19678]  ? __pfx____ratelimit+0x10/0x10
[  485.180359][T19678]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.180368][T19678]  ? __pfx__printk+0x10/0x10
[  485.180384][T19678]  should_fail_ex+0x414/0x560
[  485.180399][T19678]  _copy_to_user+0x31/0xb0
[  485.180412][T19678]  simple_read_from_buffer+0xe1/0x170
[  485.180432][T19678]  proc_fail_nth_read+0x1df/0x250
[  485.180450][T19678]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  485.180469][T19678]  ? rw_verify_area+0x258/0x650
[  485.180480][T19678]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  485.180492][T19678]  vfs_read+0x200/0x980
[  485.180508][T19678]  ? __pfx___mutex_lock+0x10/0x10
[  485.180520][T19678]  ? __pfx_vfs_read+0x10/0x10
[  485.180533][T19678]  ? __fget_files+0x2a/0x420
[  485.180551][T19678]  ? __fget_files+0x3a0/0x420
[  485.180565][T19678]  ? __fget_files+0x2a/0x420
[  485.180585][T19678]  ksys_read+0x145/0x250
[  485.180597][T19678]  ? __fget_files+0x3a0/0x420
[  485.180612][T19678]  ? __pfx_ksys_read+0x10/0x10
[  485.180628][T19678]  ? do_syscall_64+0xbe/0x3b0
[  485.180641][T19678]  do_syscall_64+0xfa/0x3b0
[  485.180651][T19678]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.180667][T19678]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.180678][T19678]  ? clear_bhb_loop+0x60/0xb0
[  485.180692][T19678]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.180705][T19678] RIP: 0033:0x7f214c78d33c
[  485.180717][T19678] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  485.180728][T19678] RSP: 002b:00007f214d53a030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  485.180741][T19678] RAX: ffffffffffffffda RBX: 00007f214c9b5fa0 RCX: 00007f214c78d33c
[  485.180747][T19678] RDX: 000000000000000f RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.180752][T19678] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.180757][T19678] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  485.180762][T19678] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.180774][T19678]  </TASK>
[  485.217437][T19680] FAULT_INJECTION: forcing a failure.
[  485.217437][T19680] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.217459][T19680] CPU: 0 UID: 0 PID: 19680 Comm: syz.0.6554 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.217470][T19680] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.217477][T19680] Call Trace:
[  485.217480][T19680]  <TASK>
[  485.217485][T19680]  dump_stack_lvl+0x189/0x250
[  485.217505][T19680]  ? __pfx____ratelimit+0x10/0x10
[  485.217525][T19680]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.217540][T19680]  ? __pfx__printk+0x10/0x10
[  485.217567][T19680]  ? __might_fault+0xb0/0x130
[  485.217591][T19680]  should_fail_ex+0x414/0x560
[  485.217615][T19680]  _copy_from_user+0x2d/0xb0
[  485.217632][T19680]  kstrtouint_from_user+0xc4/0x170
[  485.217654][T19680]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.217684][T19680]  proc_fail_nth_write+0x88/0x240
[  485.217704][T19680]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.217724][T19680]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.217742][T19680]  vfs_write+0x27e/0xa90
[  485.217765][T19680]  ? __pfx_vfs_write+0x10/0x10
[  485.217780][T19680]  ? __fget_files+0x2a/0x420
[  485.217800][T19680]  ? __fget_files+0x3a0/0x420
[  485.217815][T19680]  ? __fget_files+0x2a/0x420
[  485.217838][T19680]  ksys_write+0x145/0x250
[  485.217852][T19680]  ? __fget_files+0x3a0/0x420
[  485.217868][T19680]  ? __pfx_ksys_write+0x10/0x10
[  485.217880][T19680]  ? do_syscall_64+0xbe/0x3b0
[  485.217895][T19680]  do_syscall_64+0xfa/0x3b0
[  485.217906][T19680]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.217924][T19680]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.217937][T19680]  ? clear_bhb_loop+0x60/0xb0
[  485.217952][T19680]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.217965][T19680] RIP: 0033:0x7f214c78d3df
[  485.217977][T19680] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.217985][T19680] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.217995][T19680] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.218001][T19680] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.218007][T19680] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.218015][T19680] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.218022][T19680] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.218041][T19680]  </TASK>
[  485.252642][T19682] FAULT_INJECTION: forcing a failure.
[  485.252642][T19682] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.252667][T19682] CPU: 0 UID: 0 PID: 19682 Comm: syz.0.6555 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.252682][T19682] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.252690][T19682] Call Trace:
[  485.252695][T19682]  <TASK>
[  485.252701][T19682]  dump_stack_lvl+0x189/0x250
[  485.252719][T19682]  ? __pfx____ratelimit+0x10/0x10
[  485.252732][T19682]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.252741][T19682]  ? __pfx__printk+0x10/0x10
[  485.252752][T19682]  ? __might_fault+0xb0/0x130
[  485.252766][T19682]  should_fail_ex+0x414/0x560
[  485.252779][T19682]  _copy_from_user+0x2d/0xb0
[  485.252790][T19682]  kstrtouint_from_user+0xc4/0x170
[  485.252809][T19682]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.252836][T19682]  proc_fail_nth_write+0x88/0x240
[  485.252853][T19682]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.252872][T19682]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.252888][T19682]  vfs_write+0x27e/0xa90
[  485.252906][T19682]  ? __pfx_vfs_write+0x10/0x10
[  485.252919][T19682]  ? __fget_files+0x2a/0x420
[  485.252937][T19682]  ? __fget_files+0x3a0/0x420
[  485.252950][T19682]  ? __fget_files+0x2a/0x420
[  485.252970][T19682]  ksys_write+0x145/0x250
[  485.252979][T19682]  ? __fget_files+0x3a0/0x420
[  485.252989][T19682]  ? __pfx_ksys_write+0x10/0x10
[  485.253000][T19682]  ? do_syscall_64+0xbe/0x3b0
[  485.253009][T19682]  do_syscall_64+0xfa/0x3b0
[  485.253015][T19682]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.253027][T19682]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.253035][T19682]  ? clear_bhb_loop+0x60/0xb0
[  485.253048][T19682]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.253058][T19682] RIP: 0033:0x7f214c78d3df
[  485.253068][T19682] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.253078][T19682] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.253091][T19682] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.253099][T19682] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.253105][T19682] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.253112][T19682] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.253118][T19682] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.253135][T19682]  </TASK>
[  485.289167][T19684] FAULT_INJECTION: forcing a failure.
[  485.289167][T19684] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.289197][T19684] CPU: 0 UID: 0 PID: 19684 Comm: syz.0.6556 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.289213][T19684] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.289223][T19684] Call Trace:
[  485.289229][T19684]  <TASK>
[  485.289235][T19684]  dump_stack_lvl+0x189/0x250
[  485.289276][T19684]  ? __pfx____ratelimit+0x10/0x10
[  485.289303][T19684]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.289318][T19684]  ? __pfx__printk+0x10/0x10
[  485.289335][T19684]  ? __might_fault+0xb0/0x130
[  485.289367][T19684]  should_fail_ex+0x414/0x560
[  485.289390][T19684]  _copy_from_user+0x2d/0xb0
[  485.289406][T19684]  kstrtouint_from_user+0xc4/0x170
[  485.289428][T19684]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.289459][T19684]  proc_fail_nth_write+0x88/0x240
[  485.289477][T19684]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.289498][T19684]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.289517][T19684]  vfs_write+0x27e/0xa90
[  485.289540][T19684]  ? __pfx_vfs_write+0x10/0x10
[  485.289563][T19684]  ? __fget_files+0x2a/0x420
[  485.289584][T19684]  ? __fget_files+0x3a0/0x420
[  485.289599][T19684]  ? __fget_files+0x2a/0x420
[  485.289621][T19684]  ksys_write+0x145/0x250
[  485.289634][T19684]  ? __fget_files+0x3a0/0x420
[  485.289650][T19684]  ? __pfx_ksys_write+0x10/0x10
[  485.289669][T19684]  ? do_syscall_64+0xbe/0x3b0
[  485.289709][T19684]  do_syscall_64+0xfa/0x3b0
[  485.289721][T19684]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.289739][T19684]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.289752][T19684]  ? clear_bhb_loop+0x60/0xb0
[  485.289768][T19684]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.289780][T19684] RIP: 0033:0x7f214c78d3df
[  485.289791][T19684] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.289802][T19684] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.289816][T19684] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.289826][T19684] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.289834][T19684] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.289842][T19684] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.289850][T19684] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.289872][T19684]  </TASK>
[  485.331333][T19686] FAULT_INJECTION: forcing a failure.
[  485.331333][T19686] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.331358][T19686] CPU: 0 UID: 0 PID: 19686 Comm: syz.0.6557 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.331373][T19686] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.331381][T19686] Call Trace:
[  485.331386][T19686]  <TASK>
[  485.331392][T19686]  dump_stack_lvl+0x189/0x250
[  485.331411][T19686]  ? __pfx____ratelimit+0x10/0x10
[  485.331430][T19686]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.331443][T19686]  ? __pfx__printk+0x10/0x10
[  485.331459][T19686]  ? __might_fault+0xb0/0x130
[  485.331481][T19686]  should_fail_ex+0x414/0x560
[  485.331503][T19686]  _copy_from_user+0x2d/0xb0
[  485.331520][T19686]  kstrtouint_from_user+0xc4/0x170
[  485.331570][T19686]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.331601][T19686]  proc_fail_nth_write+0x88/0x240
[  485.331619][T19686]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.331640][T19686]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.331659][T19686]  vfs_write+0x27e/0xa90
[  485.331679][T19686]  ? __pfx_vfs_write+0x10/0x10
[  485.331693][T19686]  ? __fget_files+0x2a/0x420
[  485.331711][T19686]  ? __fget_files+0x3a0/0x420
[  485.331725][T19686]  ? __fget_files+0x2a/0x420
[  485.331747][T19686]  ksys_write+0x145/0x250
[  485.331760][T19686]  ? __fget_files+0x3a0/0x420
[  485.331775][T19686]  ? __pfx_ksys_write+0x10/0x10
[  485.331792][T19686]  ? do_syscall_64+0xbe/0x3b0
[  485.331806][T19686]  do_syscall_64+0xfa/0x3b0
[  485.331816][T19686]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.331833][T19686]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.331845][T19686]  ? clear_bhb_loop+0x60/0xb0
[  485.331860][T19686]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.331872][T19686] RIP: 0033:0x7f214c78d3df
[  485.331884][T19686] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.331894][T19686] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.331908][T19686] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.331917][T19686] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.331924][T19686] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.331932][T19686] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.331939][T19686] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.331957][T19686]  </TASK>
[  485.361251][T19688] FAULT_INJECTION: forcing a failure.
[  485.361251][T19688] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.361279][T19688] CPU: 0 UID: 0 PID: 19688 Comm: syz.0.6558 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.361293][T19688] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.361301][T19688] Call Trace:
[  485.361306][T19688]  <TASK>
[  485.361311][T19688]  dump_stack_lvl+0x189/0x250
[  485.361330][T19688]  ? __pfx____ratelimit+0x10/0x10
[  485.361349][T19688]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.361362][T19688]  ? __pfx__printk+0x10/0x10
[  485.361378][T19688]  ? __might_fault+0xb0/0x130
[  485.361399][T19688]  should_fail_ex+0x414/0x560
[  485.361419][T19688]  _copy_from_user+0x2d/0xb0
[  485.361434][T19688]  kstrtouint_from_user+0xc4/0x170
[  485.361454][T19688]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.361474][T19688]  proc_fail_nth_write+0x88/0x240
[  485.361485][T19688]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.361498][T19688]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.361512][T19688]  vfs_write+0x27e/0xa90
[  485.361529][T19688]  ? __pfx_vfs_write+0x10/0x10
[  485.361551][T19688]  ? __fget_files+0x2a/0x420
[  485.361569][T19688]  ? __fget_files+0x3a0/0x420
[  485.361582][T19688]  ? __fget_files+0x2a/0x420
[  485.361601][T19688]  ksys_write+0x145/0x250
[  485.361614][T19688]  ? __fget_files+0x3a0/0x420
[  485.361628][T19688]  ? __pfx_ksys_write+0x10/0x10
[  485.361645][T19688]  ? do_syscall_64+0xbe/0x3b0
[  485.361659][T19688]  do_syscall_64+0xfa/0x3b0
[  485.361669][T19688]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.361685][T19688]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.361696][T19688]  ? clear_bhb_loop+0x60/0xb0
[  485.361710][T19688]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.361721][T19688] RIP: 0033:0x7f214c78d3df
[  485.361732][T19688] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.361742][T19688] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.361760][T19688] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.361768][T19688] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.361774][T19688] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.361781][T19688] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.361786][T19688] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.361814][T19688]  </TASK>
[  485.401118][T19690] FAULT_INJECTION: forcing a failure.
[  485.401118][T19690] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.401142][T19690] CPU: 0 UID: 0 PID: 19690 Comm: syz.0.6559 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.401152][T19690] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.401157][T19690] Call Trace:
[  485.401161][T19690]  <TASK>
[  485.401164][T19690]  dump_stack_lvl+0x189/0x250
[  485.401178][T19690]  ? __pfx____ratelimit+0x10/0x10
[  485.401191][T19690]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.401200][T19690]  ? __pfx__printk+0x10/0x10
[  485.401215][T19690]  should_fail_ex+0x414/0x560
[  485.401228][T19690]  _copy_to_user+0x31/0xb0
[  485.401238][T19690]  simple_read_from_buffer+0xe1/0x170
[  485.401256][T19690]  proc_fail_nth_read+0x1df/0x250
[  485.401275][T19690]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  485.401293][T19690]  ? rw_verify_area+0x258/0x650
[  485.401306][T19690]  ? __pfx_proc_fail_nth_read+0x10/0x10
[  485.401322][T19690]  vfs_read+0x200/0x980
[  485.401338][T19690]  ? __pfx___mutex_lock+0x10/0x10
[  485.401346][T19690]  ? __pfx_vfs_read+0x10/0x10
[  485.401355][T19690]  ? __fget_files+0x2a/0x420
[  485.401366][T19690]  ? __fget_files+0x3a0/0x420
[  485.401377][T19690]  ? __fget_files+0x2a/0x420
[  485.401395][T19690]  ksys_read+0x145/0x250
[  485.401406][T19690]  ? __fget_files+0x3a0/0x420
[  485.401421][T19690]  ? __pfx_ksys_read+0x10/0x10
[  485.401437][T19690]  ? do_syscall_64+0xbe/0x3b0
[  485.401451][T19690]  do_syscall_64+0xfa/0x3b0
[  485.401460][T19690]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.401476][T19690]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.401486][T19690]  ? clear_bhb_loop+0x60/0xb0
[  485.401499][T19690]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.401510][T19690] RIP: 0033:0x7f214c78d33c
[  485.401521][T19690] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 93 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 ef 93 02 00 48
[  485.401532][T19690] RSP: 002b:00007f214d53a030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[  485.401544][T19690] RAX: ffffffffffffffda RBX: 00007f214c9b5fa0 RCX: 00007f214c78d33c
[  485.401553][T19690] RDX: 000000000000000f RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.401560][T19690] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.401567][T19690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[  485.401573][T19690] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.401598][T19690]  </TASK>
[  485.432417][T19692] FAULT_INJECTION: forcing a failure.
[  485.432417][T19692] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.432443][T19692] CPU: 0 UID: 0 PID: 19692 Comm: syz.0.6560 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.432458][T19692] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.432465][T19692] Call Trace:
[  485.432470][T19692]  <TASK>
[  485.432476][T19692]  dump_stack_lvl+0x189/0x250
[  485.432497][T19692]  ? __pfx____ratelimit+0x10/0x10
[  485.432518][T19692]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.432532][T19692]  ? __pfx__printk+0x10/0x10
[  485.432547][T19692]  ? __might_fault+0xb0/0x130
[  485.432568][T19692]  should_fail_ex+0x414/0x560
[  485.432599][T19692]  _copy_from_user+0x2d/0xb0
[  485.432614][T19692]  kstrtouint_from_user+0xc4/0x170
[  485.432631][T19692]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.432655][T19692]  proc_fail_nth_write+0x88/0x240
[  485.432672][T19692]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.432690][T19692]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.432706][T19692]  vfs_write+0x27e/0xa90
[  485.432726][T19692]  ? __pfx_vfs_write+0x10/0x10
[  485.432740][T19692]  ? __fget_files+0x2a/0x420
[  485.432757][T19692]  ? __fget_files+0x3a0/0x420
[  485.432772][T19692]  ? __fget_files+0x2a/0x420
[  485.432792][T19692]  ksys_write+0x145/0x250
[  485.432804][T19692]  ? __fget_files+0x3a0/0x420
[  485.432819][T19692]  ? __pfx_ksys_write+0x10/0x10
[  485.432833][T19692]  ? do_syscall_64+0xbe/0x3b0
[  485.432847][T19692]  do_syscall_64+0xfa/0x3b0
[  485.432859][T19692]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.432876][T19692]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.432887][T19692]  ? clear_bhb_loop+0x60/0xb0
[  485.432901][T19692]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.432912][T19692] RIP: 0033:0x7f214c78d3df
[  485.432924][T19692] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.432934][T19692] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.432948][T19692] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.432956][T19692] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.432964][T19692] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.432971][T19692] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.432979][T19692] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.432997][T19692]  </TASK>
[  485.467751][T19694] FAULT_INJECTION: forcing a failure.
[  485.467751][T19694] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.467777][T19694] CPU: 0 UID: 0 PID: 19694 Comm: syz.0.6561 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.467792][T19694] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.467799][T19694] Call Trace:
[  485.467804][T19694]  <TASK>
[  485.467811][T19694]  dump_stack_lvl+0x189/0x250
[  485.467830][T19694]  ? __pfx____ratelimit+0x10/0x10
[  485.467850][T19694]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.467864][T19694]  ? __pfx__printk+0x10/0x10
[  485.467879][T19694]  ? __might_fault+0xb0/0x130
[  485.467901][T19694]  should_fail_ex+0x414/0x560
[  485.467920][T19694]  _copy_from_user+0x2d/0xb0
[  485.467935][T19694]  kstrtouint_from_user+0xc4/0x170
[  485.467954][T19694]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.467980][T19694]  proc_fail_nth_write+0x88/0x240
[  485.467996][T19694]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.468016][T19694]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.468033][T19694]  vfs_write+0x27e/0xa90
[  485.468053][T19694]  ? __pfx_vfs_write+0x10/0x10
[  485.468064][T19694]  ? __fget_files+0x2a/0x420
[  485.468081][T19694]  ? __fget_files+0x3a0/0x420
[  485.468094][T19694]  ? __fget_files+0x2a/0x420
[  485.468114][T19694]  ksys_write+0x145/0x250
[  485.468126][T19694]  ? __fget_files+0x3a0/0x420
[  485.468140][T19694]  ? __pfx_ksys_write+0x10/0x10
[  485.468158][T19694]  ? do_syscall_64+0xbe/0x3b0
[  485.468172][T19694]  do_syscall_64+0xfa/0x3b0
[  485.468181][T19694]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.468201][T19694]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.468212][T19694]  ? clear_bhb_loop+0x60/0xb0
[  485.468227][T19694]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.468239][T19694] RIP: 0033:0x7f214c78d3df
[  485.468250][T19694] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.468260][T19694] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.468273][T19694] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.468281][T19694] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.468619][T19694] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.468627][T19694] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.468634][T19694] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.468655][T19694]  </TASK>
[  485.500375][T19696] FAULT_INJECTION: forcing a failure.
[  485.500375][T19696] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.500395][T19696] CPU: 0 UID: 0 PID: 19696 Comm: syz.0.6562 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.500409][T19696] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.500416][T19696] Call Trace:
[  485.500421][T19696]  <TASK>
[  485.500427][T19696]  dump_stack_lvl+0x189/0x250
[  485.500444][T19696]  ? __pfx____ratelimit+0x10/0x10
[  485.500463][T19696]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.500477][T19696]  ? __pfx__printk+0x10/0x10
[  485.500493][T19696]  ? __might_fault+0xb0/0x130
[  485.500509][T19696]  should_fail_ex+0x414/0x560
[  485.500522][T19696]  _copy_from_user+0x2d/0xb0
[  485.500532][T19696]  kstrtouint_from_user+0xc4/0x170
[  485.500546][T19696]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.500570][T19696]  proc_fail_nth_write+0x88/0x240
[  485.500596][T19696]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.500615][T19696]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.500631][T19696]  vfs_write+0x27e/0xa90
[  485.500649][T19696]  ? __pfx_vfs_write+0x10/0x10
[  485.500661][T19696]  ? __fget_files+0x2a/0x420
[  485.500680][T19696]  ? __fget_files+0x3a0/0x420
[  485.500693][T19696]  ? __fget_files+0x2a/0x420
[  485.500713][T19696]  ksys_write+0x145/0x250
[  485.500725][T19696]  ? __fget_files+0x3a0/0x420
[  485.500738][T19696]  ? __pfx_ksys_write+0x10/0x10
[  485.500754][T19696]  ? do_syscall_64+0xbe/0x3b0
[  485.500767][T19696]  do_syscall_64+0xfa/0x3b0
[  485.500777][T19696]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.500794][T19696]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.500805][T19696]  ? clear_bhb_loop+0x60/0xb0
[  485.500818][T19696]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.500826][T19696] RIP: 0033:0x7f214c78d3df
[  485.500836][T19696] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.500844][T19696] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.500857][T19696] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.500865][T19696] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.500871][T19696] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.500878][T19696] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.500885][T19696] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.500905][T19696]  </TASK>
[  485.531468][T19698] FAULT_INJECTION: forcing a failure.
[  485.531468][T19698] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.531492][T19698] CPU: 0 UID: 0 PID: 19698 Comm: syz.0.6563 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.531506][T19698] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.531513][T19698] Call Trace:
[  485.531519][T19698]  <TASK>
[  485.531525][T19698]  dump_stack_lvl+0x189/0x250
[  485.531543][T19698]  ? __pfx____ratelimit+0x10/0x10
[  485.531562][T19698]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.531575][T19698]  ? __pfx__printk+0x10/0x10
[  485.531599][T19698]  ? __might_fault+0xb0/0x130
[  485.531619][T19698]  should_fail_ex+0x414/0x560
[  485.531640][T19698]  _copy_from_user+0x2d/0xb0
[  485.531654][T19698]  kstrtouint_from_user+0xc4/0x170
[  485.531674][T19698]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.531701][T19698]  proc_fail_nth_write+0x88/0x240
[  485.531717][T19698]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.531736][T19698]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.531752][T19698]  vfs_write+0x27e/0xa90
[  485.531772][T19698]  ? __pfx_vfs_write+0x10/0x10
[  485.531786][T19698]  ? __fget_files+0x2a/0x420
[  485.531803][T19698]  ? __fget_files+0x3a0/0x420
[  485.531816][T19698]  ? __fget_files+0x2a/0x420
[  485.531835][T19698]  ksys_write+0x145/0x250
[  485.531846][T19698]  ? __fget_files+0x3a0/0x420
[  485.531861][T19698]  ? __pfx_ksys_write+0x10/0x10
[  485.531875][T19698]  ? do_syscall_64+0xbe/0x3b0
[  485.531890][T19698]  do_syscall_64+0xfa/0x3b0
[  485.531900][T19698]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.531917][T19698]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.531928][T19698]  ? clear_bhb_loop+0x60/0xb0
[  485.531940][T19698]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.531949][T19698] RIP: 0033:0x7f214c78d3df
[  485.531958][T19698] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.531967][T19698] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.531981][T19698] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.531989][T19698] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.531996][T19698] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.532003][T19698] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.532010][T19698] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.532029][T19698]  </TASK>
[  485.571407][T19700] FAULT_INJECTION: forcing a failure.
[  485.571407][T19700] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.571434][T19700] CPU: 0 UID: 0 PID: 19700 Comm: syz.0.6564 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.571448][T19700] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.571455][T19700] Call Trace:
[  485.571461][T19700]  <TASK>
[  485.571466][T19700]  dump_stack_lvl+0x189/0x250
[  485.571486][T19700]  ? __pfx____ratelimit+0x10/0x10
[  485.571505][T19700]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.571518][T19700]  ? __pfx__printk+0x10/0x10
[  485.571533][T19700]  ? __might_fault+0xb0/0x130
[  485.571553][T19700]  should_fail_ex+0x414/0x560
[  485.571574][T19700]  _copy_from_user+0x2d/0xb0
[  485.571589][T19700]  kstrtouint_from_user+0xc4/0x170
[  485.571605][T19700]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.571623][T19700]  proc_fail_nth_write+0x88/0x240
[  485.571634][T19700]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.571651][T19700]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.571666][T19700]  vfs_write+0x27e/0xa90
[  485.571685][T19700]  ? __pfx_vfs_write+0x10/0x10
[  485.571700][T19700]  ? __fget_files+0x2a/0x420
[  485.571718][T19700]  ? __fget_files+0x3a0/0x420
[  485.571731][T19700]  ? __fget_files+0x2a/0x420
[  485.571749][T19700]  ksys_write+0x145/0x250
[  485.571760][T19700]  ? __fget_files+0x3a0/0x420
[  485.571774][T19700]  ? __pfx_ksys_write+0x10/0x10
[  485.571791][T19700]  ? do_syscall_64+0xbe/0x3b0
[  485.571806][T19700]  do_syscall_64+0xfa/0x3b0
[  485.571815][T19700]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.571831][T19700]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.571843][T19700]  ? clear_bhb_loop+0x60/0xb0
[  485.571855][T19700]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.571865][T19700] RIP: 0033:0x7f214c78d3df
[  485.571876][T19700] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.571885][T19700] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.571908][T19700] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.571917][T19700] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.571923][T19700] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.571930][T19700] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.571936][T19700] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.571954][T19700]  </TASK>
[  485.601359][T19702] FAULT_INJECTION: forcing a failure.
[  485.601359][T19702] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.601388][T19702] CPU: 0 UID: 0 PID: 19702 Comm: syz.0.6565 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.601405][T19702] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.601412][T19702] Call Trace:
[  485.601416][T19702]  <TASK>
[  485.601420][T19702]  dump_stack_lvl+0x189/0x250
[  485.601435][T19702]  ? __pfx____ratelimit+0x10/0x10
[  485.601450][T19702]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.601466][T19702]  ? __pfx__printk+0x10/0x10
[  485.601482][T19702]  ? __might_fault+0xb0/0x130
[  485.601505][T19702]  should_fail_ex+0x414/0x560
[  485.601529][T19702]  _copy_from_user+0x2d/0xb0
[  485.601546][T19702]  kstrtouint_from_user+0xc4/0x170
[  485.601565][T19702]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.601586][T19702]  proc_fail_nth_write+0x88/0x240
[  485.601599][T19702]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.601613][T19702]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.601631][T19702]  vfs_write+0x27e/0xa90
[  485.601651][T19702]  ? __pfx_vfs_write+0x10/0x10
[  485.601667][T19702]  ? __fget_files+0x2a/0x420
[  485.601687][T19702]  ? __fget_files+0x3a0/0x420
[  485.601703][T19702]  ? __fget_files+0x2a/0x420
[  485.601726][T19702]  ksys_write+0x145/0x250
[  485.601738][T19702]  ? __fget_files+0x3a0/0x420
[  485.601749][T19702]  ? __pfx_ksys_write+0x10/0x10
[  485.601767][T19702]  ? do_syscall_64+0xbe/0x3b0
[  485.601783][T19702]  do_syscall_64+0xfa/0x3b0
[  485.601801][T19702]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.601819][T19702]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.601831][T19702]  ? clear_bhb_loop+0x60/0xb0
[  485.601852][T19702]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.601868][T19702] RIP: 0033:0x7f214c78d3df
[  485.601880][T19702] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.601891][T19702] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.601916][T19702] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.601924][T19702] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.601929][T19702] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.601935][T19702] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.601940][T19702] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.601953][T19702]  </TASK>
[  485.641129][T19704] FAULT_INJECTION: forcing a failure.
[  485.641129][T19704] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.641154][T19704] CPU: 0 UID: 0 PID: 19704 Comm: syz.0.6566 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.641168][T19704] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.641175][T19704] Call Trace:
[  485.641180][T19704]  <TASK>
[  485.641186][T19704]  dump_stack_lvl+0x189/0x250
[  485.641205][T19704]  ? __pfx____ratelimit+0x10/0x10
[  485.641223][T19704]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.641237][T19704]  ? __pfx__printk+0x10/0x10
[  485.641251][T19704]  ? __might_fault+0xb0/0x130
[  485.641266][T19704]  should_fail_ex+0x414/0x560
[  485.641285][T19704]  _copy_from_user+0x2d/0xb0
[  485.641300][T19704]  kstrtouint_from_user+0xc4/0x170
[  485.641318][T19704]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.641347][T19704]  proc_fail_nth_write+0x88/0x240
[  485.641363][T19704]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.641381][T19704]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.641392][T19704]  vfs_write+0x27e/0xa90
[  485.641405][T19704]  ? __pfx_vfs_write+0x10/0x10
[  485.641414][T19704]  ? __fget_files+0x2a/0x420
[  485.641426][T19704]  ? __fget_files+0x3a0/0x420
[  485.641435][T19704]  ? __fget_files+0x2a/0x420
[  485.641453][T19704]  ksys_write+0x145/0x250
[  485.641464][T19704]  ? __fget_files+0x3a0/0x420
[  485.641478][T19704]  ? __pfx_ksys_write+0x10/0x10
[  485.641493][T19704]  ? do_syscall_64+0xbe/0x3b0
[  485.641507][T19704]  do_syscall_64+0xfa/0x3b0
[  485.641518][T19704]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.641535][T19704]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.641545][T19704]  ? clear_bhb_loop+0x60/0xb0
[  485.641558][T19704]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.641569][T19704] RIP: 0033:0x7f214c78d3df
[  485.641579][T19704] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.641589][T19704] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.641603][T19704] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.641610][T19704] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.641617][T19704] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.641623][T19704] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.641630][T19704] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.641649][T19704]  </TASK>
[  485.677405][T19706] FAULT_INJECTION: forcing a failure.
[  485.677405][T19706] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.677425][T19706] CPU: 0 UID: 0 PID: 19706 Comm: syz.0.6567 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.677434][T19706] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.677440][T19706] Call Trace:
[  485.677443][T19706]  <TASK>
[  485.677447][T19706]  dump_stack_lvl+0x189/0x250
[  485.677460][T19706]  ? __pfx____ratelimit+0x10/0x10
[  485.677473][T19706]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.677482][T19706]  ? __pfx__printk+0x10/0x10
[  485.677493][T19706]  ? __might_fault+0xb0/0x130
[  485.677506][T19706]  should_fail_ex+0x414/0x560
[  485.677519][T19706]  _copy_from_user+0x2d/0xb0
[  485.677530][T19706]  kstrtouint_from_user+0xc4/0x170
[  485.677543][T19706]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.677561][T19706]  proc_fail_nth_write+0x88/0x240
[  485.677572][T19706]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.677585][T19706]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.677595][T19706]  vfs_write+0x27e/0xa90
[  485.677608][T19706]  ? __pfx_vfs_write+0x10/0x10
[  485.677617][T19706]  ? __fget_files+0x2a/0x420
[  485.677633][T19706]  ? __fget_files+0x3a0/0x420
[  485.677645][T19706]  ? __fget_files+0x2a/0x420
[  485.677657][T19706]  ksys_write+0x145/0x250
[  485.677665][T19706]  ? __fget_files+0x3a0/0x420
[  485.677675][T19706]  ? __pfx_ksys_write+0x10/0x10
[  485.677685][T19706]  ? do_syscall_64+0xbe/0x3b0
[  485.677694][T19706]  do_syscall_64+0xfa/0x3b0
[  485.677701][T19706]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.677712][T19706]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.677720][T19706]  ? clear_bhb_loop+0x60/0xb0
[  485.677729][T19706]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.677736][T19706] RIP: 0033:0x7f214c78d3df
[  485.677745][T19706] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.677755][T19706] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.677768][T19706] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.677776][T19706] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.677783][T19706] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.677790][T19706] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.677795][T19706] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.677807][T19706]  </TASK>
[  485.711081][T19708] FAULT_INJECTION: forcing a failure.
[  485.711081][T19708] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.711108][T19708] CPU: 0 UID: 0 PID: 19708 Comm: syz.0.6568 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.711123][T19708] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.711131][T19708] Call Trace:
[  485.711137][T19708]  <TASK>
[  485.711143][T19708]  dump_stack_lvl+0x189/0x250
[  485.711162][T19708]  ? __pfx____ratelimit+0x10/0x10
[  485.711182][T19708]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.711196][T19708]  ? __pfx__printk+0x10/0x10
[  485.711212][T19708]  ? __might_fault+0xb0/0x130
[  485.711234][T19708]  should_fail_ex+0x414/0x560
[  485.711257][T19708]  _copy_from_user+0x2d/0xb0
[  485.711273][T19708]  kstrtouint_from_user+0xc4/0x170
[  485.711294][T19708]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.711323][T19708]  proc_fail_nth_write+0x88/0x240
[  485.711339][T19708]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.711359][T19708]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.711378][T19708]  vfs_write+0x27e/0xa90
[  485.711397][T19708]  ? __pfx_vfs_write+0x10/0x10
[  485.711412][T19708]  ? __fget_files+0x2a/0x420
[  485.711431][T19708]  ? __fget_files+0x3a0/0x420
[  485.711446][T19708]  ? __fget_files+0x2a/0x420
[  485.711467][T19708]  ksys_write+0x145/0x250
[  485.711488][T19708]  ? __fget_files+0x3a0/0x420
[  485.711504][T19708]  ? __pfx_ksys_write+0x10/0x10
[  485.711521][T19708]  ? do_syscall_64+0xbe/0x3b0
[  485.711536][T19708]  do_syscall_64+0xfa/0x3b0
[  485.711546][T19708]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.711565][T19708]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.711580][T19708]  ? clear_bhb_loop+0x60/0xb0
[  485.711604][T19708]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.711615][T19708] RIP: 0033:0x7f214c78d3df
[  485.711627][T19708] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.711637][T19708] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.711650][T19708] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.711658][T19708] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.711665][T19708] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.711673][T19708] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.711681][T19708] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.711698][T19708]  </TASK>
[  485.746815][T19710] FAULT_INJECTION: forcing a failure.
[  485.746815][T19710] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.746841][T19710] CPU: 0 UID: 0 PID: 19710 Comm: syz.0.6569 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.746854][T19710] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.746862][T19710] Call Trace:
[  485.746867][T19710]  <TASK>
[  485.746873][T19710]  dump_stack_lvl+0x189/0x250
[  485.746892][T19710]  ? __pfx____ratelimit+0x10/0x10
[  485.746910][T19710]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.746923][T19710]  ? __pfx__printk+0x10/0x10
[  485.746939][T19710]  ? __might_fault+0xb0/0x130
[  485.746960][T19710]  should_fail_ex+0x414/0x560
[  485.746981][T19710]  _copy_from_user+0x2d/0xb0
[  485.746994][T19710]  kstrtouint_from_user+0xc4/0x170
[  485.747012][T19710]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.747038][T19710]  proc_fail_nth_write+0x88/0x240
[  485.747055][T19710]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.747074][T19710]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.747090][T19710]  vfs_write+0x27e/0xa90
[  485.747110][T19710]  ? __pfx_vfs_write+0x10/0x10
[  485.747124][T19710]  ? __fget_files+0x2a/0x420
[  485.747142][T19710]  ? __fget_files+0x3a0/0x420
[  485.747155][T19710]  ? __fget_files+0x2a/0x420
[  485.747175][T19710]  ksys_write+0x145/0x250
[  485.747187][T19710]  ? __fget_files+0x3a0/0x420
[  485.747201][T19710]  ? __pfx_ksys_write+0x10/0x10
[  485.747217][T19710]  ? do_syscall_64+0xbe/0x3b0
[  485.747232][T19710]  do_syscall_64+0xfa/0x3b0
[  485.747242][T19710]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.747259][T19710]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.747269][T19710]  ? clear_bhb_loop+0x60/0xb0
[  485.747283][T19710]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.747293][T19710] RIP: 0033:0x7f214c78d3df
[  485.747303][T19710] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.747313][T19710] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.747326][T19710] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.747334][T19710] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.747341][T19710] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.747349][T19710] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.747356][T19710] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.747376][T19710]  </TASK>
[  485.784799][T19712] FAULT_INJECTION: forcing a failure.
[  485.784799][T19712] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.784824][T19712] CPU: 0 UID: 0 PID: 19712 Comm: syz.0.6570 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.784838][T19712] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.784844][T19712] Call Trace:
[  485.784850][T19712]  <TASK>
[  485.784855][T19712]  dump_stack_lvl+0x189/0x250
[  485.784873][T19712]  ? __pfx____ratelimit+0x10/0x10
[  485.784890][T19712]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.784903][T19712]  ? __pfx__printk+0x10/0x10
[  485.784917][T19712]  ? __might_fault+0xb0/0x130
[  485.784938][T19712]  should_fail_ex+0x414/0x560
[  485.784951][T19712]  _copy_from_user+0x2d/0xb0
[  485.784961][T19712]  kstrtouint_from_user+0xc4/0x170
[  485.784974][T19712]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.784992][T19712]  proc_fail_nth_write+0x88/0x240
[  485.785003][T19712]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.785015][T19712]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.785026][T19712]  vfs_write+0x27e/0xa90
[  485.785039][T19712]  ? __pfx_vfs_write+0x10/0x10
[  485.785048][T19712]  ? __fget_files+0x2a/0x420
[  485.785060][T19712]  ? __fget_files+0x3a0/0x420
[  485.785069][T19712]  ? __fget_files+0x2a/0x420
[  485.785081][T19712]  ksys_write+0x145/0x250
[  485.785089][T19712]  ? __fget_files+0x3a0/0x420
[  485.785099][T19712]  ? __pfx_ksys_write+0x10/0x10
[  485.785109][T19712]  ? do_syscall_64+0xbe/0x3b0
[  485.785118][T19712]  do_syscall_64+0xfa/0x3b0
[  485.785125][T19712]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.785136][T19712]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.785147][T19712]  ? clear_bhb_loop+0x60/0xb0
[  485.785159][T19712]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.785169][T19712] RIP: 0033:0x7f214c78d3df
[  485.785179][T19712] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.785189][T19712] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.785198][T19712] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.785204][T19712] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.785213][T19712] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.785218][T19712] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.785222][T19712] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.785235][T19712]  </TASK>
[  485.811536][T19714] FAULT_INJECTION: forcing a failure.
[  485.811536][T19714] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.811562][T19714] CPU: 0 UID: 0 PID: 19714 Comm: syz.0.6571 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.811579][T19714] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.811586][T19714] Call Trace:
[  485.811599][T19714]  <TASK>
[  485.811605][T19714]  dump_stack_lvl+0x189/0x250
[  485.811624][T19714]  ? __pfx____ratelimit+0x10/0x10
[  485.811642][T19714]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.811655][T19714]  ? __pfx__printk+0x10/0x10
[  485.811673][T19714]  ? __might_fault+0xb0/0x130
[  485.811696][T19714]  should_fail_ex+0x414/0x560
[  485.811716][T19714]  _copy_from_user+0x2d/0xb0
[  485.811731][T19714]  kstrtouint_from_user+0xc4/0x170
[  485.811752][T19714]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.811779][T19714]  proc_fail_nth_write+0x88/0x240
[  485.811796][T19714]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.811817][T19714]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.811835][T19714]  vfs_write+0x27e/0xa90
[  485.811856][T19714]  ? __pfx_vfs_write+0x10/0x10
[  485.811873][T19714]  ? __fget_files+0x2a/0x420
[  485.811894][T19714]  ? __fget_files+0x3a0/0x420
[  485.811910][T19714]  ? __fget_files+0x2a/0x420
[  485.811934][T19714]  ksys_write+0x145/0x250
[  485.811948][T19714]  ? __fget_files+0x3a0/0x420
[  485.811966][T19714]  ? __pfx_ksys_write+0x10/0x10
[  485.811984][T19714]  ? do_syscall_64+0xbe/0x3b0
[  485.812001][T19714]  do_syscall_64+0xfa/0x3b0
[  485.812012][T19714]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.812031][T19714]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.812044][T19714]  ? clear_bhb_loop+0x60/0xb0
[  485.812058][T19714]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.812070][T19714] RIP: 0033:0x7f214c78d3df
[  485.812082][T19714] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.812092][T19714] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.812106][T19714] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.812115][T19714] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.812122][T19714] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.812129][T19714] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.812137][T19714] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.812158][T19714]  </TASK>
[  485.849022][T19716] FAULT_INJECTION: forcing a failure.
[  485.849022][T19716] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.849045][T19716] CPU: 0 UID: 0 PID: 19716 Comm: syz.0.6572 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.849058][T19716] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.849065][T19716] Call Trace:
[  485.849071][T19716]  <TASK>
[  485.849076][T19716]  dump_stack_lvl+0x189/0x250
[  485.849093][T19716]  ? __pfx____ratelimit+0x10/0x10
[  485.849111][T19716]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.849124][T19716]  ? __pfx__printk+0x10/0x10
[  485.849139][T19716]  ? __might_fault+0xb0/0x130
[  485.849159][T19716]  should_fail_ex+0x414/0x560
[  485.849179][T19716]  _copy_from_user+0x2d/0xb0
[  485.849195][T19716]  kstrtouint_from_user+0xc4/0x170
[  485.849212][T19716]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.849239][T19716]  proc_fail_nth_write+0x88/0x240
[  485.849255][T19716]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.849273][T19716]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.849290][T19716]  vfs_write+0x27e/0xa90
[  485.849312][T19716]  ? __pfx_vfs_write+0x10/0x10
[  485.849327][T19716]  ? __fget_files+0x2a/0x420
[  485.849346][T19716]  ? __fget_files+0x3a0/0x420
[  485.849361][T19716]  ? __fget_files+0x2a/0x420
[  485.849383][T19716]  ksys_write+0x145/0x250
[  485.849397][T19716]  ? __fget_files+0x3a0/0x420
[  485.849413][T19716]  ? __pfx_ksys_write+0x10/0x10
[  485.849430][T19716]  ? do_syscall_64+0xbe/0x3b0
[  485.849445][T19716]  do_syscall_64+0xfa/0x3b0
[  485.849456][T19716]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.849475][T19716]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.849487][T19716]  ? clear_bhb_loop+0x60/0xb0
[  485.849503][T19716]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.849514][T19716] RIP: 0033:0x7f214c78d3df
[  485.849526][T19716] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.849537][T19716] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.849551][T19716] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.849560][T19716] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.849568][T19716] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.849576][T19716] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.849583][T19716] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.849613][T19716]  </TASK>
[  485.881245][T19718] FAULT_INJECTION: forcing a failure.
[  485.881245][T19718] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.881265][T19718] CPU: 0 UID: 0 PID: 19718 Comm: syz.0.6573 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.881275][T19718] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.881280][T19718] Call Trace:
[  485.881284][T19718]  <TASK>
[  485.881288][T19718]  dump_stack_lvl+0x189/0x250
[  485.881303][T19718]  ? __pfx____ratelimit+0x10/0x10
[  485.881321][T19718]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.881334][T19718]  ? __pfx__printk+0x10/0x10
[  485.881348][T19718]  ? __might_fault+0xb0/0x130
[  485.881369][T19718]  should_fail_ex+0x414/0x560
[  485.881388][T19718]  _copy_from_user+0x2d/0xb0
[  485.881403][T19718]  kstrtouint_from_user+0xc4/0x170
[  485.881422][T19718]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.881449][T19718]  proc_fail_nth_write+0x88/0x240
[  485.881467][T19718]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.881485][T19718]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.881501][T19718]  vfs_write+0x27e/0xa90
[  485.881521][T19718]  ? __pfx_vfs_write+0x10/0x10
[  485.881534][T19718]  ? __fget_files+0x2a/0x420
[  485.881552][T19718]  ? __fget_files+0x3a0/0x420
[  485.881566][T19718]  ? __fget_files+0x2a/0x420
[  485.881586][T19718]  ksys_write+0x145/0x250
[  485.881607][T19718]  ? __fget_files+0x3a0/0x420
[  485.881621][T19718]  ? __pfx_ksys_write+0x10/0x10
[  485.881638][T19718]  ? do_syscall_64+0xbe/0x3b0
[  485.881651][T19718]  do_syscall_64+0xfa/0x3b0
[  485.881662][T19718]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.881678][T19718]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.881689][T19718]  ? clear_bhb_loop+0x60/0xb0
[  485.881704][T19718]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.881715][T19718] RIP: 0033:0x7f214c78d3df
[  485.881726][T19718] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.881736][T19718] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.881751][T19718] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.881759][T19718] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.881765][T19718] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.881772][T19718] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.881779][T19718] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.881797][T19718]  </TASK>
[  485.920959][T19720] FAULT_INJECTION: forcing a failure.
[  485.920959][T19720] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.920984][T19720] CPU: 0 UID: 0 PID: 19720 Comm: syz.0.6574 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.920998][T19720] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.921006][T19720] Call Trace:
[  485.921011][T19720]  <TASK>
[  485.921017][T19720]  dump_stack_lvl+0x189/0x250
[  485.921055][T19720]  ? __pfx____ratelimit+0x10/0x10
[  485.921081][T19720]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.921094][T19720]  ? __pfx__printk+0x10/0x10
[  485.921110][T19720]  ? __might_fault+0xb0/0x130
[  485.921137][T19720]  should_fail_ex+0x414/0x560
[  485.921156][T19720]  _copy_from_user+0x2d/0xb0
[  485.921171][T19720]  kstrtouint_from_user+0xc4/0x170
[  485.921190][T19720]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.921216][T19720]  proc_fail_nth_write+0x88/0x240
[  485.921234][T19720]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.921253][T19720]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.921269][T19720]  vfs_write+0x27e/0xa90
[  485.921287][T19720]  ? __pfx_vfs_write+0x10/0x10
[  485.921301][T19720]  ? __fget_files+0x2a/0x420
[  485.921318][T19720]  ? __fget_files+0x3a0/0x420
[  485.921332][T19720]  ? __fget_files+0x2a/0x420
[  485.921351][T19720]  ksys_write+0x145/0x250
[  485.921363][T19720]  ? __fget_files+0x3a0/0x420
[  485.921378][T19720]  ? __pfx_ksys_write+0x10/0x10
[  485.921393][T19720]  ? do_syscall_64+0xbe/0x3b0
[  485.921408][T19720]  do_syscall_64+0xfa/0x3b0
[  485.921418][T19720]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.921435][T19720]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.921446][T19720]  ? clear_bhb_loop+0x60/0xb0
[  485.921460][T19720]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.921471][T19720] RIP: 0033:0x7f214c78d3df
[  485.921482][T19720] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.921493][T19720] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.921506][T19720] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.921514][T19720] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.921522][T19720] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.921529][T19720] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.921536][T19720] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.921561][T19720]  </TASK>
[  485.959523][T19722] FAULT_INJECTION: forcing a failure.
[  485.959523][T19722] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.959548][T19722] CPU: 0 UID: 0 PID: 19722 Comm: syz.0.6575 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.959568][T19722] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.959575][T19722] Call Trace:
[  485.959580][T19722]  <TASK>
[  485.959587][T19722]  dump_stack_lvl+0x189/0x250
[  485.959605][T19722]  ? __pfx____ratelimit+0x10/0x10
[  485.959631][T19722]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.959645][T19722]  ? __pfx__printk+0x10/0x10
[  485.959661][T19722]  ? __might_fault+0xb0/0x130
[  485.959683][T19722]  should_fail_ex+0x414/0x560
[  485.959702][T19722]  _copy_from_user+0x2d/0xb0
[  485.959717][T19722]  kstrtouint_from_user+0xc4/0x170
[  485.959736][T19722]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.959763][T19722]  proc_fail_nth_write+0x88/0x240
[  485.959780][T19722]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.959800][T19722]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.959816][T19722]  vfs_write+0x27e/0xa90
[  485.959833][T19722]  ? __pfx_vfs_write+0x10/0x10
[  485.959845][T19722]  ? __fget_files+0x2a/0x420
[  485.959861][T19722]  ? __fget_files+0x3a0/0x420
[  485.959875][T19722]  ? __fget_files+0x2a/0x420
[  485.959896][T19722]  ksys_write+0x145/0x250
[  485.959908][T19722]  ? __fget_files+0x3a0/0x420
[  485.959924][T19722]  ? __pfx_ksys_write+0x10/0x10
[  485.959941][T19722]  ? do_syscall_64+0xbe/0x3b0
[  485.959957][T19722]  do_syscall_64+0xfa/0x3b0
[  485.959967][T19722]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.959984][T19722]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.959995][T19722]  ? clear_bhb_loop+0x60/0xb0
[  485.960004][T19722]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.960011][T19722] RIP: 0033:0x7f214c78d3df
[  485.960019][T19722] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.960026][T19722] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.960035][T19722] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.960041][T19722] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.960045][T19722] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.960050][T19722] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.960055][T19722] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.960066][T19722]  </TASK>
[  485.988123][T19724] FAULT_INJECTION: forcing a failure.
[  485.988123][T19724] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  485.988147][T19724] CPU: 0 UID: 0 PID: 19724 Comm: syz.0.6576 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  485.988161][T19724] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  485.988168][T19724] Call Trace:
[  485.988173][T19724]  <TASK>
[  485.988179][T19724]  dump_stack_lvl+0x189/0x250
[  485.988196][T19724]  ? __pfx____ratelimit+0x10/0x10
[  485.988211][T19724]  ? __pfx_dump_stack_lvl+0x10/0x10
[  485.988223][T19724]  ? __pfx__printk+0x10/0x10
[  485.988239][T19724]  ? __might_fault+0xb0/0x130
[  485.988261][T19724]  should_fail_ex+0x414/0x560
[  485.988313][T19724]  _copy_from_user+0x2d/0xb0
[  485.988330][T19724]  kstrtouint_from_user+0xc4/0x170
[  485.988349][T19724]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  485.988378][T19724]  proc_fail_nth_write+0x88/0x240
[  485.988394][T19724]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.988414][T19724]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  485.988430][T19724]  vfs_write+0x27e/0xa90
[  485.988451][T19724]  ? __pfx_vfs_write+0x10/0x10
[  485.988464][T19724]  ? __fget_files+0x2a/0x420
[  485.988480][T19724]  ? __fget_files+0x3a0/0x420
[  485.988492][T19724]  ? __fget_files+0x2a/0x420
[  485.988512][T19724]  ksys_write+0x145/0x250
[  485.988523][T19724]  ? __fget_files+0x3a0/0x420
[  485.988539][T19724]  ? __pfx_ksys_write+0x10/0x10
[  485.988566][T19724]  ? do_syscall_64+0xbe/0x3b0
[  485.988581][T19724]  do_syscall_64+0xfa/0x3b0
[  485.988591][T19724]  ? lockdep_hardirqs_on+0x9c/0x150
[  485.988608][T19724]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.988620][T19724]  ? clear_bhb_loop+0x60/0xb0
[  485.988634][T19724]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.988645][T19724] RIP: 0033:0x7f214c78d3df
[  485.988656][T19724] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  485.988666][T19724] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  485.988679][T19724] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  485.988687][T19724] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  485.988694][T19724] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  485.988701][T19724] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  485.988707][T19724] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  485.988725][T19724]  </TASK>
[  486.020222][T19726] FAULT_INJECTION: forcing a failure.
[  486.020222][T19726] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.020248][T19726] CPU: 0 UID: 0 PID: 19726 Comm: syz.0.6577 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.020263][T19726] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.020270][T19726] Call Trace:
[  486.020275][T19726]  <TASK>
[  486.020315][T19726]  dump_stack_lvl+0x189/0x250
[  486.020336][T19726]  ? __pfx____ratelimit+0x10/0x10
[  486.020354][T19726]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.020367][T19726]  ? __pfx__printk+0x10/0x10
[  486.020383][T19726]  ? __might_fault+0xb0/0x130
[  486.020403][T19726]  should_fail_ex+0x414/0x560
[  486.020424][T19726]  _copy_from_user+0x2d/0xb0
[  486.020438][T19726]  kstrtouint_from_user+0xc4/0x170
[  486.020457][T19726]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.020484][T19726]  proc_fail_nth_write+0x88/0x240
[  486.020501][T19726]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.020519][T19726]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.020534][T19726]  vfs_write+0x27e/0xa90
[  486.020559][T19726]  ? __pfx_vfs_write+0x10/0x10
[  486.020572][T19726]  ? __fget_files+0x2a/0x420
[  486.020589][T19726]  ? __fget_files+0x3a0/0x420
[  486.020602][T19726]  ? __fget_files+0x2a/0x420
[  486.020620][T19726]  ksys_write+0x145/0x250
[  486.020633][T19726]  ? __fget_files+0x3a0/0x420
[  486.020647][T19726]  ? __pfx_ksys_write+0x10/0x10
[  486.020663][T19726]  ? do_syscall_64+0xbe/0x3b0
[  486.020677][T19726]  do_syscall_64+0xfa/0x3b0
[  486.020687][T19726]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.020703][T19726]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.020715][T19726]  ? clear_bhb_loop+0x60/0xb0
[  486.020729][T19726]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.020739][T19726] RIP: 0033:0x7f214c78d3df
[  486.020750][T19726] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.020760][T19726] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.020774][T19726] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.020781][T19726] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.020788][T19726] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.020796][T19726] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.020802][T19726] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.020820][T19726]  </TASK>
[  486.058071][T19728] FAULT_INJECTION: forcing a failure.
[  486.058071][T19728] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.058097][T19728] CPU: 0 UID: 0 PID: 19728 Comm: syz.0.6578 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.058111][T19728] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.058119][T19728] Call Trace:
[  486.058124][T19728]  <TASK>
[  486.058130][T19728]  dump_stack_lvl+0x189/0x250
[  486.058149][T19728]  ? __pfx____ratelimit+0x10/0x10
[  486.058167][T19728]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.058180][T19728]  ? __pfx__printk+0x10/0x10
[  486.058196][T19728]  ? __might_fault+0xb0/0x130
[  486.058216][T19728]  should_fail_ex+0x414/0x560
[  486.058235][T19728]  _copy_from_user+0x2d/0xb0
[  486.058250][T19728]  kstrtouint_from_user+0xc4/0x170
[  486.058270][T19728]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.058296][T19728]  proc_fail_nth_write+0x88/0x240
[  486.058308][T19728]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.058321][T19728]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.058332][T19728]  vfs_write+0x27e/0xa90
[  486.058351][T19728]  ? __pfx_vfs_write+0x10/0x10
[  486.058364][T19728]  ? __fget_files+0x2a/0x420
[  486.058382][T19728]  ? __fget_files+0x3a0/0x420
[  486.058395][T19728]  ? __fget_files+0x2a/0x420
[  486.058416][T19728]  ksys_write+0x145/0x250
[  486.058426][T19728]  ? __fget_files+0x3a0/0x420
[  486.058436][T19728]  ? __pfx_ksys_write+0x10/0x10
[  486.058450][T19728]  ? do_syscall_64+0xbe/0x3b0
[  486.058463][T19728]  do_syscall_64+0xfa/0x3b0
[  486.058471][T19728]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.058488][T19728]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.058500][T19728]  ? clear_bhb_loop+0x60/0xb0
[  486.058514][T19728]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.058525][T19728] RIP: 0033:0x7f214c78d3df
[  486.058556][T19728] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.058565][T19728] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.058577][T19728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.058584][T19728] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.058591][T19728] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.058598][T19728] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.058604][T19728] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.058622][T19728]  </TASK>
[  486.086962][T19730] FAULT_INJECTION: forcing a failure.
[  486.086962][T19730] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.086988][T19730] CPU: 0 UID: 0 PID: 19730 Comm: syz.0.6579 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.087002][T19730] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.087009][T19730] Call Trace:
[  486.087014][T19730]  <TASK>
[  486.087020][T19730]  dump_stack_lvl+0x189/0x250
[  486.087039][T19730]  ? __pfx____ratelimit+0x10/0x10
[  486.087059][T19730]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.087073][T19730]  ? __pfx__printk+0x10/0x10
[  486.087088][T19730]  ? __might_fault+0xb0/0x130
[  486.087103][T19730]  should_fail_ex+0x414/0x560
[  486.087117][T19730]  _copy_from_user+0x2d/0xb0
[  486.087128][T19730]  kstrtouint_from_user+0xc4/0x170
[  486.087141][T19730]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.087160][T19730]  proc_fail_nth_write+0x88/0x240
[  486.087172][T19730]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.087190][T19730]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.087206][T19730]  vfs_write+0x27e/0xa90
[  486.087226][T19730]  ? __pfx_vfs_write+0x10/0x10
[  486.087242][T19730]  ? __fget_files+0x2a/0x420
[  486.087260][T19730]  ? __fget_files+0x3a0/0x420
[  486.087275][T19730]  ? __fget_files+0x2a/0x420
[  486.087290][T19730]  ksys_write+0x145/0x250
[  486.087299][T19730]  ? __fget_files+0x3a0/0x420
[  486.087309][T19730]  ? __pfx_ksys_write+0x10/0x10
[  486.087320][T19730]  ? do_syscall_64+0xbe/0x3b0
[  486.087329][T19730]  do_syscall_64+0xfa/0x3b0
[  486.087336][T19730]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.087349][T19730]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.087356][T19730]  ? clear_bhb_loop+0x60/0xb0
[  486.087366][T19730]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.087373][T19730] RIP: 0033:0x7f214c78d3df
[  486.087381][T19730] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.087388][T19730] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.087398][T19730] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.087403][T19730] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.087408][T19730] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.087413][T19730] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.087418][T19730] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.087430][T19730]  </TASK>
[  486.142218][T19732] FAULT_INJECTION: forcing a failure.
[  486.142218][T19732] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.142243][T19732] CPU: 0 UID: 0 PID: 19732 Comm: syz.0.6580 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.142257][T19732] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.142265][T19732] Call Trace:
[  486.142270][T19732]  <TASK>
[  486.142277][T19732]  dump_stack_lvl+0x189/0x250
[  486.142378][T19732]  ? __pfx____ratelimit+0x10/0x10
[  486.142426][T19732]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.142439][T19732]  ? __pfx__printk+0x10/0x10
[  486.142454][T19732]  ? __might_fault+0xb0/0x130
[  486.142504][T19732]  should_fail_ex+0x414/0x560
[  486.142524][T19732]  _copy_from_user+0x2d/0xb0
[  486.142538][T19732]  kstrtouint_from_user+0xc4/0x170
[  486.142556][T19732]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.142584][T19732]  proc_fail_nth_write+0x88/0x240
[  486.142600][T19732]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.142618][T19732]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.142633][T19732]  vfs_write+0x27e/0xa90
[  486.142654][T19732]  ? __pfx_vfs_write+0x10/0x10
[  486.142667][T19732]  ? __fget_files+0x2a/0x420
[  486.142683][T19732]  ? __fget_files+0x3a0/0x420
[  486.142697][T19732]  ? __fget_files+0x2a/0x420
[  486.142717][T19732]  ksys_write+0x145/0x250
[  486.142730][T19732]  ? __fget_files+0x3a0/0x420
[  486.142744][T19732]  ? __pfx_ksys_write+0x10/0x10
[  486.142759][T19732]  ? do_syscall_64+0xbe/0x3b0
[  486.142772][T19732]  do_syscall_64+0xfa/0x3b0
[  486.142782][T19732]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.142799][T19732]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.142810][T19732]  ? clear_bhb_loop+0x60/0xb0
[  486.142825][T19732]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.142835][T19732] RIP: 0033:0x7f214c78d3df
[  486.142853][T19732] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.142863][T19732] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.142876][T19732] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.142884][T19732] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.142891][T19732] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.142898][T19732] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.142904][T19732] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.142923][T19732]  </TASK>
[  486.172394][T19734] FAULT_INJECTION: forcing a failure.
[  486.172394][T19734] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.172419][T19734] CPU: 0 UID: 0 PID: 19734 Comm: syz.0.6581 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.172433][T19734] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.172441][T19734] Call Trace:
[  486.172446][T19734]  <TASK>
[  486.172452][T19734]  dump_stack_lvl+0x189/0x250
[  486.172470][T19734]  ? __pfx____ratelimit+0x10/0x10
[  486.172490][T19734]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.172505][T19734]  ? __pfx__printk+0x10/0x10
[  486.172522][T19734]  ? __might_fault+0xb0/0x130
[  486.172543][T19734]  should_fail_ex+0x414/0x560
[  486.172564][T19734]  _copy_from_user+0x2d/0xb0
[  486.172579][T19734]  kstrtouint_from_user+0xc4/0x170
[  486.172599][T19734]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.172627][T19734]  proc_fail_nth_write+0x88/0x240
[  486.172645][T19734]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.172665][T19734]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.172683][T19734]  vfs_write+0x27e/0xa90
[  486.172703][T19734]  ? __pfx_vfs_write+0x10/0x10
[  486.172718][T19734]  ? __fget_files+0x2a/0x420
[  486.172735][T19734]  ? __fget_files+0x3a0/0x420
[  486.172748][T19734]  ? __fget_files+0x2a/0x420
[  486.172768][T19734]  ksys_write+0x145/0x250
[  486.172780][T19734]  ? __fget_files+0x3a0/0x420
[  486.172796][T19734]  ? __pfx_ksys_write+0x10/0x10
[  486.172812][T19734]  ? do_syscall_64+0xbe/0x3b0
[  486.172825][T19734]  do_syscall_64+0xfa/0x3b0
[  486.172835][T19734]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.172859][T19734]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.172870][T19734]  ? clear_bhb_loop+0x60/0xb0
[  486.172883][T19734]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.172894][T19734] RIP: 0033:0x7f214c78d3df
[  486.172905][T19734] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.172915][T19734] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.172928][T19734] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.172935][T19734] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.172942][T19734] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.172950][T19734] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.172956][T19734] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.172974][T19734]  </TASK>
[  486.206384][T19736] FAULT_INJECTION: forcing a failure.
[  486.206384][T19736] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.206411][T19736] CPU: 0 UID: 0 PID: 19736 Comm: syz.0.6582 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.206427][T19736] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.206437][T19736] Call Trace:
[  486.206443][T19736]  <TASK>
[  486.206450][T19736]  dump_stack_lvl+0x189/0x250
[  486.206471][T19736]  ? __pfx____ratelimit+0x10/0x10
[  486.206492][T19736]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.206509][T19736]  ? __pfx__printk+0x10/0x10
[  486.206528][T19736]  ? __might_fault+0xb0/0x130
[  486.206553][T19736]  should_fail_ex+0x414/0x560
[  486.206576][T19736]  _copy_from_user+0x2d/0xb0
[  486.206593][T19736]  kstrtouint_from_user+0xc4/0x170
[  486.206615][T19736]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.206648][T19736]  proc_fail_nth_write+0x88/0x240
[  486.206667][T19736]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.206690][T19736]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.206710][T19736]  vfs_write+0x27e/0xa90
[  486.206734][T19736]  ? __pfx_vfs_write+0x10/0x10
[  486.206750][T19736]  ? __fget_files+0x2a/0x420
[  486.206771][T19736]  ? __fget_files+0x3a0/0x420
[  486.206787][T19736]  ? __fget_files+0x2a/0x420
[  486.206810][T19736]  ksys_write+0x145/0x250
[  486.206825][T19736]  ? __fget_files+0x3a0/0x420
[  486.206850][T19736]  ? __pfx_ksys_write+0x10/0x10
[  486.206870][T19736]  ? do_syscall_64+0xbe/0x3b0
[  486.206886][T19736]  do_syscall_64+0xfa/0x3b0
[  486.206897][T19736]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.206917][T19736]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.206931][T19736]  ? clear_bhb_loop+0x60/0xb0
[  486.206947][T19736]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.206960][T19736] RIP: 0033:0x7f214c78d3df
[  486.206972][T19736] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.206984][T19736] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.207001][T19736] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.207010][T19736] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.207018][T19736] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.207026][T19736] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.207035][T19736] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.207056][T19736]  </TASK>
[  486.243635][T19738] FAULT_INJECTION: forcing a failure.
[  486.243635][T19738] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.243663][T19738] CPU: 0 UID: 0 PID: 19738 Comm: syz.0.6583 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.243679][T19738] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.243688][T19738] Call Trace:
[  486.243693][T19738]  <TASK>
[  486.243700][T19738]  dump_stack_lvl+0x189/0x250
[  486.243720][T19738]  ? __pfx____ratelimit+0x10/0x10
[  486.243740][T19738]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.243755][T19738]  ? __pfx__printk+0x10/0x10
[  486.243773][T19738]  ? __might_fault+0xb0/0x130
[  486.243797][T19738]  should_fail_ex+0x414/0x560
[  486.243820][T19738]  _copy_from_user+0x2d/0xb0
[  486.243837][T19738]  kstrtouint_from_user+0xc4/0x170
[  486.243864][T19738]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.243895][T19738]  proc_fail_nth_write+0x88/0x240
[  486.243914][T19738]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.243936][T19738]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.243954][T19738]  vfs_write+0x27e/0xa90
[  486.243976][T19738]  ? __pfx_vfs_write+0x10/0x10
[  486.243992][T19738]  ? __fget_files+0x2a/0x420
[  486.244011][T19738]  ? __fget_files+0x3a0/0x420
[  486.244026][T19738]  ? __fget_files+0x2a/0x420
[  486.244049][T19738]  ksys_write+0x145/0x250
[  486.244063][T19738]  ? __fget_files+0x3a0/0x420
[  486.244079][T19738]  ? __pfx_ksys_write+0x10/0x10
[  486.244122][T19738]  ? do_syscall_64+0xbe/0x3b0
[  486.244138][T19738]  do_syscall_64+0xfa/0x3b0
[  486.244149][T19738]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.244168][T19738]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.244181][T19738]  ? clear_bhb_loop+0x60/0xb0
[  486.244197][T19738]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.244210][T19738] RIP: 0033:0x7f214c78d3df
[  486.244222][T19738] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.244233][T19738] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.244247][T19738] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.244256][T19738] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.244264][T19738] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.244272][T19738] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.244305][T19738] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.244327][T19738]  </TASK>
[  486.283367][T19740] FAULT_INJECTION: forcing a failure.
[  486.283367][T19740] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.283394][T19740] CPU: 0 UID: 0 PID: 19740 Comm: syz.0.6584 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.283409][T19740] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.283416][T19740] Call Trace:
[  486.283423][T19740]  <TASK>
[  486.283429][T19740]  dump_stack_lvl+0x189/0x250
[  486.283450][T19740]  ? __pfx____ratelimit+0x10/0x10
[  486.283472][T19740]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.283485][T19740]  ? __pfx__printk+0x10/0x10
[  486.283499][T19740]  ? __might_fault+0xb0/0x130
[  486.283519][T19740]  should_fail_ex+0x414/0x560
[  486.283540][T19740]  _copy_from_user+0x2d/0xb0
[  486.283555][T19740]  kstrtouint_from_user+0xc4/0x170
[  486.283574][T19740]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.283602][T19740]  proc_fail_nth_write+0x88/0x240
[  486.283618][T19740]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.283637][T19740]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.283654][T19740]  vfs_write+0x27e/0xa90
[  486.283673][T19740]  ? __pfx_vfs_write+0x10/0x10
[  486.283687][T19740]  ? __fget_files+0x2a/0x420
[  486.283702][T19740]  ? __fget_files+0x3a0/0x420
[  486.283715][T19740]  ? __fget_files+0x2a/0x420
[  486.283735][T19740]  ksys_write+0x145/0x250
[  486.283746][T19740]  ? __fget_files+0x3a0/0x420
[  486.283760][T19740]  ? __pfx_ksys_write+0x10/0x10
[  486.283776][T19740]  ? do_syscall_64+0xbe/0x3b0
[  486.283790][T19740]  do_syscall_64+0xfa/0x3b0
[  486.283800][T19740]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.283817][T19740]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.283828][T19740]  ? clear_bhb_loop+0x60/0xb0
[  486.283841][T19740]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.283859][T19740] RIP: 0033:0x7f214c78d3df
[  486.283870][T19740] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.283879][T19740] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.283891][T19740] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.283899][T19740] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.283906][T19740] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.283914][T19740] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.283921][T19740] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.283938][T19740]  </TASK>
[  486.321894][T19742] FAULT_INJECTION: forcing a failure.
[  486.321894][T19742] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.321917][T19742] CPU: 0 UID: 0 PID: 19742 Comm: syz.0.6585 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.321930][T19742] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.321937][T19742] Call Trace:
[  486.321943][T19742]  <TASK>
[  486.321948][T19742]  dump_stack_lvl+0x189/0x250
[  486.321966][T19742]  ? __pfx____ratelimit+0x10/0x10
[  486.321983][T19742]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.321997][T19742]  ? __pfx__printk+0x10/0x10
[  486.322011][T19742]  ? __might_fault+0xb0/0x130
[  486.322032][T19742]  should_fail_ex+0x414/0x560
[  486.322054][T19742]  _copy_from_user+0x2d/0xb0
[  486.322069][T19742]  kstrtouint_from_user+0xc4/0x170
[  486.322087][T19742]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.322111][T19742]  proc_fail_nth_write+0x88/0x240
[  486.322129][T19742]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.322148][T19742]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.322165][T19742]  vfs_write+0x27e/0xa90
[  486.322184][T19742]  ? __pfx_vfs_write+0x10/0x10
[  486.322193][T19742]  ? __fget_files+0x2a/0x420
[  486.322212][T19742]  ? __fget_files+0x3a0/0x420
[  486.322224][T19742]  ? __fget_files+0x2a/0x420
[  486.322237][T19742]  ksys_write+0x145/0x250
[  486.322245][T19742]  ? __fget_files+0x3a0/0x420
[  486.322255][T19742]  ? __pfx_ksys_write+0x10/0x10
[  486.322265][T19742]  ? do_syscall_64+0xbe/0x3b0
[  486.322275][T19742]  do_syscall_64+0xfa/0x3b0
[  486.322284][T19742]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.322301][T19742]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.322311][T19742]  ? clear_bhb_loop+0x60/0xb0
[  486.322326][T19742]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.322337][T19742] RIP: 0033:0x7f214c78d3df
[  486.322348][T19742] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.322358][T19742] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.322371][T19742] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.322379][T19742] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.322386][T19742] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.322393][T19742] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.322399][T19742] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.322415][T19742]  </TASK>
[  486.359946][T19744] FAULT_INJECTION: forcing a failure.
[  486.359946][T19744] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.359972][T19744] CPU: 0 UID: 0 PID: 19744 Comm: syz.0.6586 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.359986][T19744] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.359994][T19744] Call Trace:
[  486.360001][T19744]  <TASK>
[  486.360006][T19744]  dump_stack_lvl+0x189/0x250
[  486.360025][T19744]  ? __pfx____ratelimit+0x10/0x10
[  486.360044][T19744]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.360058][T19744]  ? __pfx__printk+0x10/0x10
[  486.360073][T19744]  ? __might_fault+0xb0/0x130
[  486.360095][T19744]  should_fail_ex+0x414/0x560
[  486.360117][T19744]  _copy_from_user+0x2d/0xb0
[  486.360132][T19744]  kstrtouint_from_user+0xc4/0x170
[  486.360153][T19744]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.360182][T19744]  proc_fail_nth_write+0x88/0x240
[  486.360200][T19744]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.360220][T19744]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.360237][T19744]  vfs_write+0x27e/0xa90
[  486.360258][T19744]  ? __pfx_vfs_write+0x10/0x10
[  486.360271][T19744]  ? __fget_files+0x2a/0x420
[  486.360331][T19744]  ? __fget_files+0x3a0/0x420
[  486.360345][T19744]  ? __fget_files+0x2a/0x420
[  486.360366][T19744]  ksys_write+0x145/0x250
[  486.360379][T19744]  ? __fget_files+0x3a0/0x420
[  486.360394][T19744]  ? __pfx_ksys_write+0x10/0x10
[  486.360411][T19744]  ? do_syscall_64+0xbe/0x3b0
[  486.360425][T19744]  do_syscall_64+0xfa/0x3b0
[  486.360435][T19744]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.360452][T19744]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.360463][T19744]  ? clear_bhb_loop+0x60/0xb0
[  486.360477][T19744]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.360489][T19744] RIP: 0033:0x7f214c78d3df
[  486.360500][T19744] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.360510][T19744] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.360524][T19744] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.360532][T19744] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.360539][T19744] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.360546][T19744] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.360553][T19744] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.360572][T19744]  </TASK>
[  486.394935][T19746] FAULT_INJECTION: forcing a failure.
[  486.394935][T19746] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.394966][T19746] CPU: 0 UID: 0 PID: 19746 Comm: syz.0.6587 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.394980][T19746] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.394988][T19746] Call Trace:
[  486.394994][T19746]  <TASK>
[  486.394999][T19746]  dump_stack_lvl+0x189/0x250
[  486.395042][T19746]  ? __pfx____ratelimit+0x10/0x10
[  486.395071][T19746]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.395087][T19746]  ? __pfx__printk+0x10/0x10
[  486.395103][T19746]  ? __might_fault+0xb0/0x130
[  486.395131][T19746]  should_fail_ex+0x414/0x560
[  486.395151][T19746]  _copy_from_user+0x2d/0xb0
[  486.395167][T19746]  kstrtouint_from_user+0xc4/0x170
[  486.395186][T19746]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.395215][T19746]  proc_fail_nth_write+0x88/0x240
[  486.395232][T19746]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.395252][T19746]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.395267][T19746]  vfs_write+0x27e/0xa90
[  486.395285][T19746]  ? __pfx_vfs_write+0x10/0x10
[  486.395299][T19746]  ? __fget_files+0x2a/0x420
[  486.395316][T19746]  ? __fget_files+0x3a0/0x420
[  486.395330][T19746]  ? __fget_files+0x2a/0x420
[  486.395350][T19746]  ksys_write+0x145/0x250
[  486.395362][T19746]  ? __fget_files+0x3a0/0x420
[  486.395376][T19746]  ? __pfx_ksys_write+0x10/0x10
[  486.395393][T19746]  ? do_syscall_64+0xbe/0x3b0
[  486.395406][T19746]  do_syscall_64+0xfa/0x3b0
[  486.395415][T19746]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.395432][T19746]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.395443][T19746]  ? clear_bhb_loop+0x60/0xb0
[  486.395458][T19746]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.395467][T19746] RIP: 0033:0x7f214c78d3df
[  486.395478][T19746] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.395487][T19746] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.395502][T19746] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.395510][T19746] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.395517][T19746] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.395525][T19746] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.395531][T19746] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.395550][T19746]  </TASK>
[  486.429794][T19748] FAULT_INJECTION: forcing a failure.
[  486.429794][T19748] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.429838][T19748] CPU: 0 UID: 0 PID: 19748 Comm: syz.0.6588 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.429851][T19748] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.429858][T19748] Call Trace:
[  486.429867][T19748]  <TASK>
[  486.429873][T19748]  dump_stack_lvl+0x189/0x250
[  486.429895][T19748]  ? __pfx____ratelimit+0x10/0x10
[  486.429913][T19748]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.429927][T19748]  ? __pfx__printk+0x10/0x10
[  486.429941][T19748]  ? __might_fault+0xb0/0x130
[  486.429960][T19748]  should_fail_ex+0x414/0x560
[  486.429979][T19748]  _copy_from_user+0x2d/0xb0
[  486.429993][T19748]  kstrtouint_from_user+0xc4/0x170
[  486.430011][T19748]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.430037][T19748]  proc_fail_nth_write+0x88/0x240
[  486.430054][T19748]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.430079][T19748]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.430095][T19748]  vfs_write+0x27e/0xa90
[  486.430110][T19748]  ? __pfx_vfs_write+0x10/0x10
[  486.430121][T19748]  ? __fget_files+0x2a/0x420
[  486.430137][T19748]  ? __fget_files+0x3a0/0x420
[  486.430150][T19748]  ? __fget_files+0x2a/0x420
[  486.430168][T19748]  ksys_write+0x145/0x250
[  486.430180][T19748]  ? __fget_files+0x3a0/0x420
[  486.430195][T19748]  ? __pfx_ksys_write+0x10/0x10
[  486.430211][T19748]  ? do_syscall_64+0xbe/0x3b0
[  486.430226][T19748]  do_syscall_64+0xfa/0x3b0
[  486.430235][T19748]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.430251][T19748]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.430262][T19748]  ? clear_bhb_loop+0x60/0xb0
[  486.430275][T19748]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.430285][T19748] RIP: 0033:0x7f214c78d3df
[  486.430296][T19748] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.430306][T19748] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.430320][T19748] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.430328][T19748] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.430335][T19748] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.430342][T19748] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.430349][T19748] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.430367][T19748]  </TASK>
[  486.466915][T19750] FAULT_INJECTION: forcing a failure.
[  486.466915][T19750] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.466941][T19750] CPU: 0 UID: 0 PID: 19750 Comm: syz.0.6589 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.466955][T19750] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.466963][T19750] Call Trace:
[  486.466968][T19750]  <TASK>
[  486.466974][T19750]  dump_stack_lvl+0x189/0x250
[  486.466993][T19750]  ? __pfx____ratelimit+0x10/0x10
[  486.467011][T19750]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.467024][T19750]  ? __pfx__printk+0x10/0x10
[  486.467039][T19750]  ? __might_fault+0xb0/0x130
[  486.467058][T19750]  should_fail_ex+0x414/0x560
[  486.467077][T19750]  _copy_from_user+0x2d/0xb0
[  486.467092][T19750]  kstrtouint_from_user+0xc4/0x170
[  486.467110][T19750]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.467138][T19750]  proc_fail_nth_write+0x88/0x240
[  486.467154][T19750]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.467172][T19750]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.467188][T19750]  vfs_write+0x27e/0xa90
[  486.467206][T19750]  ? __pfx_vfs_write+0x10/0x10
[  486.467220][T19750]  ? __fget_files+0x2a/0x420
[  486.467236][T19750]  ? __fget_files+0x3a0/0x420
[  486.467248][T19750]  ? __fget_files+0x2a/0x420
[  486.467268][T19750]  ksys_write+0x145/0x250
[  486.467279][T19750]  ? __fget_files+0x3a0/0x420
[  486.467293][T19750]  ? __pfx_ksys_write+0x10/0x10
[  486.467310][T19750]  ? do_syscall_64+0xbe/0x3b0
[  486.467325][T19750]  do_syscall_64+0xfa/0x3b0
[  486.467334][T19750]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.467350][T19750]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.467360][T19750]  ? clear_bhb_loop+0x60/0xb0
[  486.467374][T19750]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.467385][T19750] RIP: 0033:0x7f214c78d3df
[  486.467395][T19750] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.467405][T19750] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.467418][T19750] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.467425][T19750] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.467431][T19750] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.467438][T19750] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.467445][T19750] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.467463][T19750]  </TASK>
[  486.507822][T19752] FAULT_INJECTION: forcing a failure.
[  486.507822][T19752] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.507847][T19752] CPU: 0 UID: 0 PID: 19752 Comm: syz.0.6590 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.507860][T19752] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.507876][T19752] Call Trace:
[  486.507881][T19752]  <TASK>
[  486.507887][T19752]  dump_stack_lvl+0x189/0x250
[  486.507906][T19752]  ? __pfx____ratelimit+0x10/0x10
[  486.507924][T19752]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.507938][T19752]  ? __pfx__printk+0x10/0x10
[  486.507952][T19752]  ? __might_fault+0xb0/0x130
[  486.507972][T19752]  should_fail_ex+0x414/0x560
[  486.507992][T19752]  _copy_from_user+0x2d/0xb0
[  486.508007][T19752]  kstrtouint_from_user+0xc4/0x170
[  486.508027][T19752]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.508053][T19752]  proc_fail_nth_write+0x88/0x240
[  486.508070][T19752]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.508090][T19752]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.508106][T19752]  vfs_write+0x27e/0xa90
[  486.508126][T19752]  ? __pfx_vfs_write+0x10/0x10
[  486.508139][T19752]  ? __fget_files+0x2a/0x420
[  486.508156][T19752]  ? __fget_files+0x3a0/0x420
[  486.508170][T19752]  ? __fget_files+0x2a/0x420
[  486.508189][T19752]  ksys_write+0x145/0x250
[  486.508202][T19752]  ? __fget_files+0x3a0/0x420
[  486.508216][T19752]  ? __pfx_ksys_write+0x10/0x10
[  486.508232][T19752]  ? do_syscall_64+0xbe/0x3b0
[  486.508245][T19752]  do_syscall_64+0xfa/0x3b0
[  486.508255][T19752]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.508272][T19752]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.508317][T19752]  ? clear_bhb_loop+0x60/0xb0
[  486.508329][T19752]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.508340][T19752] RIP: 0033:0x7f214c78d3df
[  486.508351][T19752] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.508361][T19752] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.508375][T19752] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.508384][T19752] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.508391][T19752] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.508398][T19752] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.508404][T19752] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.508416][T19752]  </TASK>
[  486.543980][T19754] FAULT_INJECTION: forcing a failure.
[  486.543980][T19754] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.544007][T19754] CPU: 0 UID: 0 PID: 19754 Comm: syz.0.6591 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.544022][T19754] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.544030][T19754] Call Trace:
[  486.544036][T19754]  <TASK>
[  486.544042][T19754]  dump_stack_lvl+0x189/0x250
[  486.544061][T19754]  ? __pfx____ratelimit+0x10/0x10
[  486.544079][T19754]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.544124][T19754]  ? __pfx__printk+0x10/0x10
[  486.544141][T19754]  ? __might_fault+0xb0/0x130
[  486.544163][T19754]  should_fail_ex+0x414/0x560
[  486.544184][T19754]  _copy_from_user+0x2d/0xb0
[  486.544200][T19754]  kstrtouint_from_user+0xc4/0x170
[  486.544219][T19754]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.544246][T19754]  proc_fail_nth_write+0x88/0x240
[  486.544263][T19754]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.544312][T19754]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.544329][T19754]  vfs_write+0x27e/0xa90
[  486.544349][T19754]  ? __pfx_vfs_write+0x10/0x10
[  486.544364][T19754]  ? __fget_files+0x2a/0x420
[  486.544382][T19754]  ? __fget_files+0x3a0/0x420
[  486.544396][T19754]  ? __fget_files+0x2a/0x420
[  486.544414][T19754]  ksys_write+0x145/0x250
[  486.544422][T19754]  ? __fget_files+0x3a0/0x420
[  486.544432][T19754]  ? __pfx_ksys_write+0x10/0x10
[  486.544443][T19754]  ? do_syscall_64+0xbe/0x3b0
[  486.544452][T19754]  do_syscall_64+0xfa/0x3b0
[  486.544459][T19754]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.544471][T19754]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.544478][T19754]  ? clear_bhb_loop+0x60/0xb0
[  486.544487][T19754]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.544494][T19754] RIP: 0033:0x7f214c78d3df
[  486.544504][T19754] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.544513][T19754] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.544526][T19754] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.544534][T19754] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.544541][T19754] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.544549][T19754] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.544556][T19754] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.544575][T19754]  </TASK>
[  486.580223][T19756] FAULT_INJECTION: forcing a failure.
[  486.580223][T19756] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.580248][T19756] CPU: 0 UID: 0 PID: 19756 Comm: syz.0.6592 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.580261][T19756] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.580269][T19756] Call Trace:
[  486.580310][T19756]  <TASK>
[  486.580317][T19756]  dump_stack_lvl+0x189/0x250
[  486.580336][T19756]  ? __pfx____ratelimit+0x10/0x10
[  486.580353][T19756]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.580366][T19756]  ? __pfx__printk+0x10/0x10
[  486.580382][T19756]  ? __might_fault+0xb0/0x130
[  486.580404][T19756]  should_fail_ex+0x414/0x560
[  486.580425][T19756]  _copy_from_user+0x2d/0xb0
[  486.580440][T19756]  kstrtouint_from_user+0xc4/0x170
[  486.580459][T19756]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.580486][T19756]  proc_fail_nth_write+0x88/0x240
[  486.580501][T19756]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.580520][T19756]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.580537][T19756]  vfs_write+0x27e/0xa90
[  486.580557][T19756]  ? __pfx_vfs_write+0x10/0x10
[  486.580569][T19756]  ? __fget_files+0x2a/0x420
[  486.580588][T19756]  ? __fget_files+0x3a0/0x420
[  486.580602][T19756]  ? __fget_files+0x2a/0x420
[  486.580622][T19756]  ksys_write+0x145/0x250
[  486.580634][T19756]  ? __fget_files+0x3a0/0x420
[  486.580649][T19756]  ? __pfx_ksys_write+0x10/0x10
[  486.580665][T19756]  ? do_syscall_64+0xbe/0x3b0
[  486.580679][T19756]  do_syscall_64+0xfa/0x3b0
[  486.580688][T19756]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.580707][T19756]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.580718][T19756]  ? clear_bhb_loop+0x60/0xb0
[  486.580731][T19756]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.580742][T19756] RIP: 0033:0x7f214c78d3df
[  486.580753][T19756] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.580762][T19756] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.580776][T19756] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.580784][T19756] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.580790][T19756] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.580797][T19756] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.580803][T19756] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.580821][T19756]  </TASK>
[  486.620072][T19758] FAULT_INJECTION: forcing a failure.
[  486.620072][T19758] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.620097][T19758] CPU: 0 UID: 0 PID: 19758 Comm: syz.0.6593 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.620110][T19758] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.620117][T19758] Call Trace:
[  486.620122][T19758]  <TASK>
[  486.620127][T19758]  dump_stack_lvl+0x189/0x250
[  486.620162][T19758]  ? __pfx____ratelimit+0x10/0x10
[  486.620187][T19758]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.620200][T19758]  ? __pfx__printk+0x10/0x10
[  486.620216][T19758]  ? __might_fault+0xb0/0x130
[  486.620243][T19758]  should_fail_ex+0x414/0x560
[  486.620264][T19758]  _copy_from_user+0x2d/0xb0
[  486.620309][T19758]  kstrtouint_from_user+0xc4/0x170
[  486.620330][T19758]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.620357][T19758]  proc_fail_nth_write+0x88/0x240
[  486.620374][T19758]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.620393][T19758]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.620410][T19758]  vfs_write+0x27e/0xa90
[  486.620429][T19758]  ? __pfx_vfs_write+0x10/0x10
[  486.620442][T19758]  ? __fget_files+0x2a/0x420
[  486.620459][T19758]  ? __fget_files+0x3a0/0x420
[  486.620473][T19758]  ? __fget_files+0x2a/0x420
[  486.620493][T19758]  ksys_write+0x145/0x250
[  486.620505][T19758]  ? __fget_files+0x3a0/0x420
[  486.620520][T19758]  ? __pfx_ksys_write+0x10/0x10
[  486.620536][T19758]  ? do_syscall_64+0xbe/0x3b0
[  486.620550][T19758]  do_syscall_64+0xfa/0x3b0
[  486.620560][T19758]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.620577][T19758]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.620588][T19758]  ? clear_bhb_loop+0x60/0xb0
[  486.620602][T19758]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.620613][T19758] RIP: 0033:0x7f214c78d3df
[  486.620623][T19758] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.620633][T19758] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.620645][T19758] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.620654][T19758] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.620660][T19758] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.620667][T19758] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.620674][T19758] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.620693][T19758]  </TASK>
[  486.658239][T19760] FAULT_INJECTION: forcing a failure.
[  486.658239][T19760] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.658265][T19760] CPU: 0 UID: 0 PID: 19760 Comm: syz.0.6594 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.658280][T19760] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.658288][T19760] Call Trace:
[  486.658294][T19760]  <TASK>
[  486.658300][T19760]  dump_stack_lvl+0x189/0x250
[  486.658318][T19760]  ? __pfx____ratelimit+0x10/0x10
[  486.658341][T19760]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.658355][T19760]  ? __pfx__printk+0x10/0x10
[  486.658372][T19760]  ? __might_fault+0xb0/0x130
[  486.658395][T19760]  should_fail_ex+0x414/0x560
[  486.658416][T19760]  _copy_from_user+0x2d/0xb0
[  486.658431][T19760]  kstrtouint_from_user+0xc4/0x170
[  486.658452][T19760]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.658483][T19760]  proc_fail_nth_write+0x88/0x240
[  486.658501][T19760]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.658521][T19760]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.658557][T19760]  vfs_write+0x27e/0xa90
[  486.658578][T19760]  ? __pfx_vfs_write+0x10/0x10
[  486.658593][T19760]  ? __fget_files+0x2a/0x420
[  486.658611][T19760]  ? __fget_files+0x3a0/0x420
[  486.658626][T19760]  ? __fget_files+0x2a/0x420
[  486.658648][T19760]  ksys_write+0x145/0x250
[  486.658661][T19760]  ? __fget_files+0x3a0/0x420
[  486.658677][T19760]  ? __pfx_ksys_write+0x10/0x10
[  486.658694][T19760]  ? do_syscall_64+0xbe/0x3b0
[  486.658709][T19760]  do_syscall_64+0xfa/0x3b0
[  486.658719][T19760]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.658738][T19760]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.658749][T19760]  ? clear_bhb_loop+0x60/0xb0
[  486.658764][T19760]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.658776][T19760] RIP: 0033:0x7f214c78d3df
[  486.658787][T19760] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.658797][T19760] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.658815][T19760] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.658823][T19760] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.658831][T19760] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.658838][T19760] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.658846][T19760] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.658866][T19760]  </TASK>
[  486.692154][T19762] FAULT_INJECTION: forcing a failure.
[  486.692154][T19762] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.692181][T19762] CPU: 0 UID: 0 PID: 19762 Comm: syz.0.6595 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.692196][T19762] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.692204][T19762] Call Trace:
[  486.692209][T19762]  <TASK>
[  486.692215][T19762]  dump_stack_lvl+0x189/0x250
[  486.692235][T19762]  ? __pfx____ratelimit+0x10/0x10
[  486.692253][T19762]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.692266][T19762]  ? __pfx__printk+0x10/0x10
[  486.692319][T19762]  ? __might_fault+0xb0/0x130
[  486.692341][T19762]  should_fail_ex+0x414/0x560
[  486.692362][T19762]  _copy_from_user+0x2d/0xb0
[  486.692377][T19762]  kstrtouint_from_user+0xc4/0x170
[  486.692396][T19762]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.692423][T19762]  proc_fail_nth_write+0x88/0x240
[  486.692439][T19762]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.692457][T19762]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.692474][T19762]  vfs_write+0x27e/0xa90
[  486.692494][T19762]  ? __pfx_vfs_write+0x10/0x10
[  486.692508][T19762]  ? __fget_files+0x2a/0x420
[  486.692525][T19762]  ? __fget_files+0x3a0/0x420
[  486.692538][T19762]  ? __fget_files+0x2a/0x420
[  486.692559][T19762]  ksys_write+0x145/0x250
[  486.692571][T19762]  ? __fget_files+0x3a0/0x420
[  486.692585][T19762]  ? __pfx_ksys_write+0x10/0x10
[  486.692608][T19762]  ? do_syscall_64+0xbe/0x3b0
[  486.692621][T19762]  do_syscall_64+0xfa/0x3b0
[  486.692630][T19762]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.692647][T19762]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.692658][T19762]  ? clear_bhb_loop+0x60/0xb0
[  486.692672][T19762]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.692682][T19762] RIP: 0033:0x7f214c78d3df
[  486.692694][T19762] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.692704][T19762] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.692716][T19762] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.692724][T19762] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.692731][T19762] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.692739][T19762] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.692746][T19762] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.692764][T19762]  </TASK>
[  486.723071][T19764] FAULT_INJECTION: forcing a failure.
[  486.723071][T19764] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.723098][T19764] CPU: 0 UID: 0 PID: 19764 Comm: syz.0.6596 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.723112][T19764] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.723119][T19764] Call Trace:
[  486.723124][T19764]  <TASK>
[  486.723130][T19764]  dump_stack_lvl+0x189/0x250
[  486.723148][T19764]  ? __pfx____ratelimit+0x10/0x10
[  486.723166][T19764]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.723179][T19764]  ? __pfx__printk+0x10/0x10
[  486.723195][T19764]  ? __might_fault+0xb0/0x130
[  486.723214][T19764]  should_fail_ex+0x414/0x560
[  486.723236][T19764]  _copy_from_user+0x2d/0xb0
[  486.723250][T19764]  kstrtouint_from_user+0xc4/0x170
[  486.723269][T19764]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.723296][T19764]  proc_fail_nth_write+0x88/0x240
[  486.723314][T19764]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.723333][T19764]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.723350][T19764]  vfs_write+0x27e/0xa90
[  486.723369][T19764]  ? __pfx_vfs_write+0x10/0x10
[  486.723383][T19764]  ? __fget_files+0x2a/0x420
[  486.723402][T19764]  ? __fget_files+0x3a0/0x420
[  486.723416][T19764]  ? __fget_files+0x2a/0x420
[  486.723435][T19764]  ksys_write+0x145/0x250
[  486.723447][T19764]  ? __fget_files+0x3a0/0x420
[  486.723463][T19764]  ? __pfx_ksys_write+0x10/0x10
[  486.723479][T19764]  ? do_syscall_64+0xbe/0x3b0
[  486.723494][T19764]  do_syscall_64+0xfa/0x3b0
[  486.723506][T19764]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.723540][T19764]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.723552][T19764]  ? clear_bhb_loop+0x60/0xb0
[  486.723566][T19764]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.723577][T19764] RIP: 0033:0x7f214c78d3df
[  486.723589][T19764] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.723598][T19764] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.723612][T19764] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.723621][T19764] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.723628][T19764] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.723635][T19764] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.723642][T19764] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.723661][T19764]  </TASK>
[  486.761268][T19766] FAULT_INJECTION: forcing a failure.
[  486.761268][T19766] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.761294][T19766] CPU: 0 UID: 0 PID: 19766 Comm: syz.0.6597 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.761308][T19766] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.761315][T19766] Call Trace:
[  486.761321][T19766]  <TASK>
[  486.761327][T19766]  dump_stack_lvl+0x189/0x250
[  486.761346][T19766]  ? __pfx____ratelimit+0x10/0x10
[  486.761363][T19766]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.761372][T19766]  ? __pfx__printk+0x10/0x10
[  486.761384][T19766]  ? __might_fault+0xb0/0x130
[  486.761404][T19766]  should_fail_ex+0x414/0x560
[  486.761425][T19766]  _copy_from_user+0x2d/0xb0
[  486.761440][T19766]  kstrtouint_from_user+0xc4/0x170
[  486.761459][T19766]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.761485][T19766]  proc_fail_nth_write+0x88/0x240
[  486.761502][T19766]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.761521][T19766]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.761537][T19766]  vfs_write+0x27e/0xa90
[  486.761558][T19766]  ? __pfx_vfs_write+0x10/0x10
[  486.761572][T19766]  ? __fget_files+0x2a/0x420
[  486.761589][T19766]  ? __fget_files+0x3a0/0x420
[  486.761601][T19766]  ? __fget_files+0x2a/0x420
[  486.761613][T19766]  ksys_write+0x145/0x250
[  486.761621][T19766]  ? __fget_files+0x3a0/0x420
[  486.761637][T19766]  ? __pfx_ksys_write+0x10/0x10
[  486.761647][T19766]  ? do_syscall_64+0xbe/0x3b0
[  486.761657][T19766]  do_syscall_64+0xfa/0x3b0
[  486.761664][T19766]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.761680][T19766]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.761691][T19766]  ? clear_bhb_loop+0x60/0xb0
[  486.761704][T19766]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.761715][T19766] RIP: 0033:0x7f214c78d3df
[  486.761725][T19766] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.761735][T19766] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.761748][T19766] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.761756][T19766] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.761763][T19766] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.761770][T19766] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.761777][T19766] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.761794][T19766]  </TASK>
[  486.791183][T19768] FAULT_INJECTION: forcing a failure.
[  486.791183][T19768] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.791210][T19768] CPU: 0 UID: 0 PID: 19768 Comm: syz.0.6598 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.791225][T19768] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.791232][T19768] Call Trace:
[  486.791238][T19768]  <TASK>
[  486.791244][T19768]  dump_stack_lvl+0x189/0x250
[  486.791265][T19768]  ? __pfx____ratelimit+0x10/0x10
[  486.791285][T19768]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.791300][T19768]  ? __pfx__printk+0x10/0x10
[  486.791318][T19768]  ? __might_fault+0xb0/0x130
[  486.791343][T19768]  should_fail_ex+0x414/0x560
[  486.791364][T19768]  _copy_from_user+0x2d/0xb0
[  486.791382][T19768]  kstrtouint_from_user+0xc4/0x170
[  486.791404][T19768]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.791433][T19768]  proc_fail_nth_write+0x88/0x240
[  486.791452][T19768]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.791472][T19768]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.791490][T19768]  vfs_write+0x27e/0xa90
[  486.791513][T19768]  ? __pfx_vfs_write+0x10/0x10
[  486.791528][T19768]  ? __fget_files+0x2a/0x420
[  486.791546][T19768]  ? __fget_files+0x3a0/0x420
[  486.791557][T19768]  ? __fget_files+0x2a/0x420
[  486.791575][T19768]  ksys_write+0x145/0x250
[  486.791588][T19768]  ? __fget_files+0x3a0/0x420
[  486.791603][T19768]  ? __pfx_ksys_write+0x10/0x10
[  486.791623][T19768]  ? do_syscall_64+0xbe/0x3b0
[  486.791647][T19768]  do_syscall_64+0xfa/0x3b0
[  486.791658][T19768]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.791672][T19768]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.791681][T19768]  ? clear_bhb_loop+0x60/0xb0
[  486.791692][T19768]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.791700][T19768] RIP: 0033:0x7f214c78d3df
[  486.791708][T19768] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.791719][T19768] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.791732][T19768] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.791741][T19768] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.791748][T19768] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.791756][T19768] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.791764][T19768] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.791786][T19768]  </TASK>
[  486.837583][T19770] FAULT_INJECTION: forcing a failure.
[  486.837583][T19770] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.837614][T19770] CPU: 0 UID: 0 PID: 19770 Comm: syz.0.6599 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.837628][T19770] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.837636][T19770] Call Trace:
[  486.837641][T19770]  <TASK>
[  486.837647][T19770]  dump_stack_lvl+0x189/0x250
[  486.837683][T19770]  ? __pfx____ratelimit+0x10/0x10
[  486.837707][T19770]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.837720][T19770]  ? __pfx__printk+0x10/0x10
[  486.837737][T19770]  ? __might_fault+0xb0/0x130
[  486.837763][T19770]  should_fail_ex+0x414/0x560
[  486.837782][T19770]  _copy_from_user+0x2d/0xb0
[  486.837798][T19770]  kstrtouint_from_user+0xc4/0x170
[  486.837823][T19770]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.837852][T19770]  proc_fail_nth_write+0x88/0x240
[  486.837869][T19770]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.837885][T19770]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.837896][T19770]  vfs_write+0x27e/0xa90
[  486.837909][T19770]  ? __pfx_vfs_write+0x10/0x10
[  486.837920][T19770]  ? __fget_files+0x2a/0x420
[  486.837936][T19770]  ? __fget_files+0x3a0/0x420
[  486.837949][T19770]  ? __fget_files+0x2a/0x420
[  486.837969][T19770]  ksys_write+0x145/0x250
[  486.837982][T19770]  ? __fget_files+0x3a0/0x420
[  486.837995][T19770]  ? __pfx_ksys_write+0x10/0x10
[  486.838011][T19770]  ? do_syscall_64+0xbe/0x3b0
[  486.838024][T19770]  do_syscall_64+0xfa/0x3b0
[  486.838033][T19770]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.838050][T19770]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.838060][T19770]  ? clear_bhb_loop+0x60/0xb0
[  486.838074][T19770]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.838084][T19770] RIP: 0033:0x7f214c78d3df
[  486.838094][T19770] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.838105][T19770] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.838118][T19770] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.838125][T19770] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.838132][T19770] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.838138][T19770] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.838145][T19770] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.838163][T19770]  </TASK>
[  486.885419][T19772] FAULT_INJECTION: forcing a failure.
[  486.885419][T19772] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.885447][T19772] CPU: 0 UID: 0 PID: 19772 Comm: syz.0.6600 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.885462][T19772] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.885470][T19772] Call Trace:
[  486.885476][T19772]  <TASK>
[  486.885482][T19772]  dump_stack_lvl+0x189/0x250
[  486.885503][T19772]  ? __pfx____ratelimit+0x10/0x10
[  486.885524][T19772]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.885539][T19772]  ? __pfx__printk+0x10/0x10
[  486.885556][T19772]  ? __might_fault+0xb0/0x130
[  486.885587][T19772]  should_fail_ex+0x414/0x560
[  486.885616][T19772]  _copy_from_user+0x2d/0xb0
[  486.885633][T19772]  kstrtouint_from_user+0xc4/0x170
[  486.885654][T19772]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.885684][T19772]  proc_fail_nth_write+0x88/0x240
[  486.885701][T19772]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.885721][T19772]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.885739][T19772]  vfs_write+0x27e/0xa90
[  486.885759][T19772]  ? __pfx_vfs_write+0x10/0x10
[  486.885773][T19772]  ? __fget_files+0x2a/0x420
[  486.885792][T19772]  ? __fget_files+0x3a0/0x420
[  486.885806][T19772]  ? __fget_files+0x2a/0x420
[  486.885826][T19772]  ksys_write+0x145/0x250
[  486.885839][T19772]  ? __fget_files+0x3a0/0x420
[  486.885854][T19772]  ? __pfx_ksys_write+0x10/0x10
[  486.885871][T19772]  ? do_syscall_64+0xbe/0x3b0
[  486.885885][T19772]  do_syscall_64+0xfa/0x3b0
[  486.885896][T19772]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.885915][T19772]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.885926][T19772]  ? clear_bhb_loop+0x60/0xb0
[  486.885941][T19772]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.885952][T19772] RIP: 0033:0x7f214c78d3df
[  486.885963][T19772] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.885973][T19772] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.885987][T19772] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.885994][T19772] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.886001][T19772] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.886008][T19772] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.886015][T19772] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.886032][T19772]  </TASK>
[  486.915921][T19774] FAULT_INJECTION: forcing a failure.
[  486.915921][T19774] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.915949][T19774] CPU: 0 UID: 0 PID: 19774 Comm: syz.0.6601 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.915964][T19774] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.915972][T19774] Call Trace:
[  486.915977][T19774]  <TASK>
[  486.915982][T19774]  dump_stack_lvl+0x189/0x250
[  486.916002][T19774]  ? __pfx____ratelimit+0x10/0x10
[  486.916021][T19774]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.916036][T19774]  ? __pfx__printk+0x10/0x10
[  486.916052][T19774]  ? __might_fault+0xb0/0x130
[  486.916075][T19774]  should_fail_ex+0x414/0x560
[  486.916096][T19774]  _copy_from_user+0x2d/0xb0
[  486.916110][T19774]  kstrtouint_from_user+0xc4/0x170
[  486.916130][T19774]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.916158][T19774]  proc_fail_nth_write+0x88/0x240
[  486.916175][T19774]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.916196][T19774]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.916211][T19774]  vfs_write+0x27e/0xa90
[  486.916231][T19774]  ? __pfx_vfs_write+0x10/0x10
[  486.916245][T19774]  ? __fget_files+0x2a/0x420
[  486.916263][T19774]  ? __fget_files+0x3a0/0x420
[  486.916315][T19774]  ? __fget_files+0x2a/0x420
[  486.916336][T19774]  ksys_write+0x145/0x250
[  486.916348][T19774]  ? __fget_files+0x3a0/0x420
[  486.916363][T19774]  ? __pfx_ksys_write+0x10/0x10
[  486.916380][T19774]  ? do_syscall_64+0xbe/0x3b0
[  486.916394][T19774]  do_syscall_64+0xfa/0x3b0
[  486.916405][T19774]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.916421][T19774]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.916433][T19774]  ? clear_bhb_loop+0x60/0xb0
[  486.916448][T19774]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.916458][T19774] RIP: 0033:0x7f214c78d3df
[  486.916470][T19774] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.916480][T19774] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.916493][T19774] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.916502][T19774] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.916509][T19774] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.916517][T19774] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.916523][T19774] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.916541][T19774]  </TASK>
[  486.955764][T19776] FAULT_INJECTION: forcing a failure.
[  486.955764][T19776] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.955793][T19776] CPU: 0 UID: 0 PID: 19776 Comm: syz.0.6602 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.955806][T19776] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.955814][T19776] Call Trace:
[  486.955819][T19776]  <TASK>
[  486.955824][T19776]  dump_stack_lvl+0x189/0x250
[  486.955843][T19776]  ? __pfx____ratelimit+0x10/0x10
[  486.955863][T19776]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.955877][T19776]  ? __pfx__printk+0x10/0x10
[  486.955893][T19776]  ? __might_fault+0xb0/0x130
[  486.955913][T19776]  should_fail_ex+0x414/0x560
[  486.955934][T19776]  _copy_from_user+0x2d/0xb0
[  486.955949][T19776]  kstrtouint_from_user+0xc4/0x170
[  486.955969][T19776]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.955996][T19776]  proc_fail_nth_write+0x88/0x240
[  486.956013][T19776]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.956031][T19776]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.956048][T19776]  vfs_write+0x27e/0xa90
[  486.956067][T19776]  ? __pfx_vfs_write+0x10/0x10
[  486.956081][T19776]  ? __fget_files+0x2a/0x420
[  486.956099][T19776]  ? __fget_files+0x3a0/0x420
[  486.956111][T19776]  ? __fget_files+0x2a/0x420
[  486.956131][T19776]  ksys_write+0x145/0x250
[  486.956142][T19776]  ? __fget_files+0x3a0/0x420
[  486.956157][T19776]  ? __pfx_ksys_write+0x10/0x10
[  486.956173][T19776]  ? do_syscall_64+0xbe/0x3b0
[  486.956187][T19776]  do_syscall_64+0xfa/0x3b0
[  486.956198][T19776]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.956215][T19776]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.956226][T19776]  ? clear_bhb_loop+0x60/0xb0
[  486.956241][T19776]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.956253][T19776] RIP: 0033:0x7f214c78d3df
[  486.956265][T19776] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.956309][T19776] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.956323][T19776] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.956331][T19776] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.956337][T19776] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.956345][T19776] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.956351][T19776] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.956368][T19776]  </TASK>
[  486.984087][T19778] FAULT_INJECTION: forcing a failure.
[  486.984087][T19778] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  486.986215][T19778] CPU: 0 UID: 0 PID: 19778 Comm: syz.0.6603 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  486.986231][T19778] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  486.986238][T19778] Call Trace:
[  486.986243][T19778]  <TASK>
[  486.986249][T19778]  dump_stack_lvl+0x189/0x250
[  486.986269][T19778]  ? __pfx____ratelimit+0x10/0x10
[  486.986287][T19778]  ? __pfx_dump_stack_lvl+0x10/0x10
[  486.986301][T19778]  ? __pfx__printk+0x10/0x10
[  486.986317][T19778]  ? __might_fault+0xb0/0x130
[  486.986337][T19778]  should_fail_ex+0x414/0x560
[  486.986358][T19778]  _copy_from_user+0x2d/0xb0
[  486.986375][T19778]  kstrtouint_from_user+0xc4/0x170
[  486.986394][T19778]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  486.986422][T19778]  proc_fail_nth_write+0x88/0x240
[  486.986438][T19778]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.986455][T19778]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  486.986471][T19778]  vfs_write+0x27e/0xa90
[  486.986491][T19778]  ? __pfx_vfs_write+0x10/0x10
[  486.986505][T19778]  ? __fget_files+0x2a/0x420
[  486.986521][T19778]  ? __fget_files+0x3a0/0x420
[  486.986535][T19778]  ? __fget_files+0x2a/0x420
[  486.986555][T19778]  ksys_write+0x145/0x250
[  486.986567][T19778]  ? __fget_files+0x3a0/0x420
[  486.986580][T19778]  ? __pfx_ksys_write+0x10/0x10
[  486.986597][T19778]  ? do_syscall_64+0xbe/0x3b0
[  486.986610][T19778]  do_syscall_64+0xfa/0x3b0
[  486.986619][T19778]  ? lockdep_hardirqs_on+0x9c/0x150
[  486.986636][T19778]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.986646][T19778]  ? clear_bhb_loop+0x60/0xb0
[  486.986659][T19778]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  486.986670][T19778] RIP: 0033:0x7f214c78d3df
[  486.986681][T19778] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  486.986692][T19778] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  486.986705][T19778] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  486.986713][T19778] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  486.986720][T19778] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  486.986727][T19778] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  486.986733][T19778] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  486.986751][T19778]  </TASK>
[  487.015197][T19780] FAULT_INJECTION: forcing a failure.
[  487.015197][T19780] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  487.015222][T19780] CPU: 0 UID: 0 PID: 19780 Comm: syz.0.6604 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  487.015235][T19780] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  487.015242][T19780] Call Trace:
[  487.015247][T19780]  <TASK>
[  487.015251][T19780]  dump_stack_lvl+0x189/0x250
[  487.015269][T19780]  ? __pfx____ratelimit+0x10/0x10
[  487.015285][T19780]  ? __pfx_dump_stack_lvl+0x10/0x10
[  487.015297][T19780]  ? __pfx__printk+0x10/0x10
[  487.015311][T19780]  ? __might_fault+0xb0/0x130
[  487.015330][T19780]  should_fail_ex+0x414/0x560
[  487.015349][T19780]  _copy_from_user+0x2d/0xb0
[  487.015362][T19780]  kstrtouint_from_user+0xc4/0x170
[  487.015379][T19780]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  487.015404][T19780]  proc_fail_nth_write+0x88/0x240
[  487.015419][T19780]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.015436][T19780]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.015450][T19780]  vfs_write+0x27e/0xa90
[  487.015468][T19780]  ? __pfx_vfs_write+0x10/0x10
[  487.015480][T19780]  ? __fget_files+0x2a/0x420
[  487.015494][T19780]  ? __fget_files+0x3a0/0x420
[  487.015507][T19780]  ? __fget_files+0x2a/0x420
[  487.015525][T19780]  ksys_write+0x145/0x250
[  487.015535][T19780]  ? __fget_files+0x3a0/0x420
[  487.015548][T19780]  ? __pfx_ksys_write+0x10/0x10
[  487.015562][T19780]  ? do_syscall_64+0xbe/0x3b0
[  487.015580][T19780]  do_syscall_64+0xfa/0x3b0
[  487.015589][T19780]  ? lockdep_hardirqs_on+0x9c/0x150
[  487.015604][T19780]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.015615][T19780]  ? clear_bhb_loop+0x60/0xb0
[  487.015627][T19780]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.015641][T19780] RIP: 0033:0x7f214c78d3df
[  487.015652][T19780] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  487.015661][T19780] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  487.015673][T19780] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  487.015679][T19780] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  487.015686][T19780] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  487.015693][T19780] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  487.015698][T19780] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  487.015715][T19780]  </TASK>
[  487.056773][T19782] FAULT_INJECTION: forcing a failure.
[  487.056773][T19782] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  487.056797][T19782] CPU: 0 UID: 0 PID: 19782 Comm: syz.0.6605 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  487.056808][T19782] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  487.056815][T19782] Call Trace:
[  487.056820][T19782]  <TASK>
[  487.056825][T19782]  dump_stack_lvl+0x189/0x250
[  487.056852][T19782]  ? __pfx____ratelimit+0x10/0x10
[  487.056868][T19782]  ? __pfx_dump_stack_lvl+0x10/0x10
[  487.056877][T19782]  ? __pfx__printk+0x10/0x10
[  487.056887][T19782]  ? __might_fault+0xb0/0x130
[  487.056900][T19782]  should_fail_ex+0x414/0x560
[  487.056914][T19782]  _copy_from_user+0x2d/0xb0
[  487.056928][T19782]  kstrtouint_from_user+0xc4/0x170
[  487.056941][T19782]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  487.056959][T19782]  proc_fail_nth_write+0x88/0x240
[  487.056970][T19782]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.056982][T19782]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.056993][T19782]  vfs_write+0x27e/0xa90
[  487.057006][T19782]  ? __pfx_vfs_write+0x10/0x10
[  487.057015][T19782]  ? __fget_files+0x2a/0x420
[  487.057026][T19782]  ? __fget_files+0x3a0/0x420
[  487.057035][T19782]  ? __fget_files+0x2a/0x420
[  487.057048][T19782]  ksys_write+0x145/0x250
[  487.057056][T19782]  ? __fget_files+0x3a0/0x420
[  487.057066][T19782]  ? __pfx_ksys_write+0x10/0x10
[  487.057076][T19782]  ? do_syscall_64+0xbe/0x3b0
[  487.057088][T19782]  do_syscall_64+0xfa/0x3b0
[  487.057097][T19782]  ? lockdep_hardirqs_on+0x9c/0x150
[  487.057113][T19782]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.057124][T19782]  ? clear_bhb_loop+0x60/0xb0
[  487.057137][T19782]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.057144][T19782] RIP: 0033:0x7f214c78d3df
[  487.057155][T19782] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  487.057167][T19782] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  487.057180][T19782] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  487.057188][T19782] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  487.057194][T19782] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  487.057201][T19782] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  487.057208][T19782] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  487.057228][T19782]  </TASK>
[  487.083774][T19784] FAULT_INJECTION: forcing a failure.
[  487.083774][T19784] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  487.083802][T19784] CPU: 0 UID: 0 PID: 19784 Comm: syz.0.6606 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  487.083816][T19784] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  487.083824][T19784] Call Trace:
[  487.083830][T19784]  <TASK>
[  487.083836][T19784]  dump_stack_lvl+0x189/0x250
[  487.083855][T19784]  ? __pfx____ratelimit+0x10/0x10
[  487.083874][T19784]  ? __pfx_dump_stack_lvl+0x10/0x10
[  487.083887][T19784]  ? __pfx__printk+0x10/0x10
[  487.083901][T19784]  ? __might_fault+0xb0/0x130
[  487.083923][T19784]  should_fail_ex+0x414/0x560
[  487.083944][T19784]  _copy_from_user+0x2d/0xb0
[  487.083959][T19784]  kstrtouint_from_user+0xc4/0x170
[  487.083978][T19784]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  487.084006][T19784]  proc_fail_nth_write+0x88/0x240
[  487.084025][T19784]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.084043][T19784]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.084060][T19784]  vfs_write+0x27e/0xa90
[  487.084079][T19784]  ? __pfx_vfs_write+0x10/0x10
[  487.084120][T19784]  ? __fget_files+0x2a/0x420
[  487.084140][T19784]  ? __fget_files+0x3a0/0x420
[  487.084154][T19784]  ? __fget_files+0x2a/0x420
[  487.084174][T19784]  ksys_write+0x145/0x250
[  487.084187][T19784]  ? __fget_files+0x3a0/0x420
[  487.084203][T19784]  ? __pfx_ksys_write+0x10/0x10
[  487.084220][T19784]  ? do_syscall_64+0xbe/0x3b0
[  487.084234][T19784]  do_syscall_64+0xfa/0x3b0
[  487.084245][T19784]  ? lockdep_hardirqs_on+0x9c/0x150
[  487.084262][T19784]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.084299][T19784]  ? clear_bhb_loop+0x60/0xb0
[  487.084315][T19784]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.084327][T19784] RIP: 0033:0x7f214c78d3df
[  487.084338][T19784] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  487.084348][T19784] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  487.084362][T19784] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  487.084370][T19784] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  487.084377][T19784] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  487.084385][T19784] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  487.084392][T19784] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  487.084410][T19784]  </TASK>
[  487.122881][T19786] FAULT_INJECTION: forcing a failure.
[  487.122881][T19786] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  487.122907][T19786] CPU: 0 UID: 0 PID: 19786 Comm: syz.0.6607 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  487.122921][T19786] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  487.122929][T19786] Call Trace:
[  487.122933][T19786]  <TASK>
[  487.122939][T19786]  dump_stack_lvl+0x189/0x250
[  487.122958][T19786]  ? __pfx____ratelimit+0x10/0x10
[  487.122977][T19786]  ? __pfx_dump_stack_lvl+0x10/0x10
[  487.122991][T19786]  ? __pfx__printk+0x10/0x10
[  487.123013][T19786]  ? __might_fault+0xb0/0x130
[  487.123038][T19786]  should_fail_ex+0x414/0x560
[  487.123058][T19786]  _copy_from_user+0x2d/0xb0
[  487.123073][T19786]  kstrtouint_from_user+0xc4/0x170
[  487.123092][T19786]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  487.123121][T19786]  proc_fail_nth_write+0x88/0x240
[  487.123138][T19786]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.123158][T19786]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.123175][T19786]  vfs_write+0x27e/0xa90
[  487.123195][T19786]  ? __pfx_vfs_write+0x10/0x10
[  487.123208][T19786]  ? __fget_files+0x2a/0x420
[  487.123228][T19786]  ? __fget_files+0x3a0/0x420
[  487.123242][T19786]  ? __fget_files+0x2a/0x420
[  487.123260][T19786]  ksys_write+0x145/0x250
[  487.123272][T19786]  ? __fget_files+0x3a0/0x420
[  487.123286][T19786]  ? __pfx_ksys_write+0x10/0x10
[  487.123303][T19786]  ? do_syscall_64+0xbe/0x3b0
[  487.123316][T19786]  do_syscall_64+0xfa/0x3b0
[  487.123326][T19786]  ? lockdep_hardirqs_on+0x9c/0x150
[  487.123343][T19786]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.123355][T19786]  ? clear_bhb_loop+0x60/0xb0
[  487.123369][T19786]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.123380][T19786] RIP: 0033:0x7f214c78d3df
[  487.123392][T19786] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  487.123401][T19786] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  487.123415][T19786] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  487.123423][T19786] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  487.123430][T19786] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  487.123437][T19786] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  487.123444][T19786] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  487.123468][T19786]  </TASK>
[  487.168357][T19788] FAULT_INJECTION: forcing a failure.
[  487.168357][T19788] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  487.168382][T19788] CPU: 0 UID: 0 PID: 19788 Comm: syz.0.6608 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  487.168396][T19788] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  487.168405][T19788] Call Trace:
[  487.168411][T19788]  <TASK>
[  487.168416][T19788]  dump_stack_lvl+0x189/0x250
[  487.168434][T19788]  ? __pfx____ratelimit+0x10/0x10
[  487.168452][T19788]  ? __pfx_dump_stack_lvl+0x10/0x10
[  487.168465][T19788]  ? __pfx__printk+0x10/0x10
[  487.168481][T19788]  ? __might_fault+0xb0/0x130
[  487.168502][T19788]  should_fail_ex+0x414/0x560
[  487.168518][T19788]  _copy_from_user+0x2d/0xb0
[  487.168529][T19788]  kstrtouint_from_user+0xc4/0x170
[  487.168542][T19788]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  487.168559][T19788]  proc_fail_nth_write+0x88/0x240
[  487.168582][T19788]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.168599][T19788]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.168616][T19788]  vfs_write+0x27e/0xa90
[  487.168634][T19788]  ? __pfx_vfs_write+0x10/0x10
[  487.168655][T19788]  ? __fget_files+0x2a/0x420
[  487.168677][T19788]  ? __fget_files+0x3a0/0x420
[  487.168690][T19788]  ? __fget_files+0x2a/0x420
[  487.168709][T19788]  ksys_write+0x145/0x250
[  487.168722][T19788]  ? __fget_files+0x3a0/0x420
[  487.168737][T19788]  ? __pfx_ksys_write+0x10/0x10
[  487.168754][T19788]  ? do_syscall_64+0xbe/0x3b0
[  487.168766][T19788]  do_syscall_64+0xfa/0x3b0
[  487.168776][T19788]  ? lockdep_hardirqs_on+0x9c/0x150
[  487.168792][T19788]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.168804][T19788]  ? clear_bhb_loop+0x60/0xb0
[  487.168818][T19788]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.168829][T19788] RIP: 0033:0x7f214c78d3df
[  487.168841][T19788] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  487.168851][T19788] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  487.168864][T19788] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  487.168872][T19788] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  487.168879][T19788] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  487.168887][T19788] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  487.168894][T19788] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  487.168912][T19788]  </TASK>
[  487.193672][T19790] FAULT_INJECTION: forcing a failure.
[  487.193672][T19790] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  487.193699][T19790] CPU: 0 UID: 0 PID: 19790 Comm: syz.0.6609 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  487.193714][T19790] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  487.193722][T19790] Call Trace:
[  487.193728][T19790]  <TASK>
[  487.193734][T19790]  dump_stack_lvl+0x189/0x250
[  487.193753][T19790]  ? __pfx____ratelimit+0x10/0x10
[  487.193772][T19790]  ? __pfx_dump_stack_lvl+0x10/0x10
[  487.193786][T19790]  ? __pfx__printk+0x10/0x10
[  487.193803][T19790]  ? __might_fault+0xb0/0x130
[  487.193826][T19790]  should_fail_ex+0x414/0x560
[  487.193846][T19790]  _copy_from_user+0x2d/0xb0
[  487.193862][T19790]  kstrtouint_from_user+0xc4/0x170
[  487.193883][T19790]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  487.193911][T19790]  proc_fail_nth_write+0x88/0x240
[  487.193929][T19790]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.193949][T19790]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.193967][T19790]  vfs_write+0x27e/0xa90
[  487.193989][T19790]  ? __pfx_vfs_write+0x10/0x10
[  487.194003][T19790]  ? __fget_files+0x2a/0x420
[  487.194022][T19790]  ? __fget_files+0x3a0/0x420
[  487.194036][T19790]  ? __fget_files+0x2a/0x420
[  487.194057][T19790]  ksys_write+0x145/0x250
[  487.194070][T19790]  ? __fget_files+0x3a0/0x420
[  487.194085][T19790]  ? __pfx_ksys_write+0x10/0x10
[  487.194135][T19790]  ? do_syscall_64+0xbe/0x3b0
[  487.194150][T19790]  do_syscall_64+0xfa/0x3b0
[  487.194160][T19790]  ? lockdep_hardirqs_on+0x9c/0x150
[  487.194178][T19790]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.194190][T19790]  ? clear_bhb_loop+0x60/0xb0
[  487.194205][T19790]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.194216][T19790] RIP: 0033:0x7f214c78d3df
[  487.194228][T19790] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  487.194237][T19790] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  487.194251][T19790] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  487.194259][T19790] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  487.194265][T19790] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  487.194273][T19790] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  487.194280][T19790] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  487.194300][T19790]  </TASK>
[  487.228454][T19792] FAULT_INJECTION: forcing a failure.
[  487.228454][T19792] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  487.228482][T19792] CPU: 0 UID: 0 PID: 19792 Comm: syz.0.6610 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  487.228497][T19792] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  487.228506][T19792] Call Trace:
[  487.228512][T19792]  <TASK>
[  487.228517][T19792]  dump_stack_lvl+0x189/0x250
[  487.228539][T19792]  ? __pfx____ratelimit+0x10/0x10
[  487.228558][T19792]  ? __pfx_dump_stack_lvl+0x10/0x10
[  487.228574][T19792]  ? __pfx__printk+0x10/0x10
[  487.228592][T19792]  ? __might_fault+0xb0/0x130
[  487.228623][T19792]  should_fail_ex+0x414/0x560
[  487.228644][T19792]  _copy_from_user+0x2d/0xb0
[  487.228660][T19792]  kstrtouint_from_user+0xc4/0x170
[  487.228682][T19792]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  487.228709][T19792]  proc_fail_nth_write+0x88/0x240
[  487.228727][T19792]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.228747][T19792]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.228766][T19792]  vfs_write+0x27e/0xa90
[  487.228787][T19792]  ? __pfx_vfs_write+0x10/0x10
[  487.228802][T19792]  ? __fget_files+0x2a/0x420
[  487.228821][T19792]  ? __fget_files+0x3a0/0x420
[  487.228836][T19792]  ? __fget_files+0x2a/0x420
[  487.228858][T19792]  ksys_write+0x145/0x250
[  487.228872][T19792]  ? __fget_files+0x3a0/0x420
[  487.228889][T19792]  ? __pfx_ksys_write+0x10/0x10
[  487.228905][T19792]  ? do_syscall_64+0xbe/0x3b0
[  487.228920][T19792]  do_syscall_64+0xfa/0x3b0
[  487.228931][T19792]  ? lockdep_hardirqs_on+0x9c/0x150
[  487.228949][T19792]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.228960][T19792]  ? clear_bhb_loop+0x60/0xb0
[  487.228975][T19792]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.228986][T19792] RIP: 0033:0x7f214c78d3df
[  487.228997][T19792] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  487.229009][T19792] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  487.229023][T19792] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  487.229033][T19792] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  487.229041][T19792] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  487.229049][T19792] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  487.229056][T19792] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  487.229075][T19792]  </TASK>
[  487.267869][T19794] FAULT_INJECTION: forcing a failure.
[  487.267869][T19794] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  487.267896][T19794] CPU: 0 UID: 0 PID: 19794 Comm: syz.0.6611 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  487.267910][T19794] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  487.267918][T19794] Call Trace:
[  487.267923][T19794]  <TASK>
[  487.267928][T19794]  dump_stack_lvl+0x189/0x250
[  487.267947][T19794]  ? __pfx____ratelimit+0x10/0x10
[  487.267966][T19794]  ? __pfx_dump_stack_lvl+0x10/0x10
[  487.267980][T19794]  ? __pfx__printk+0x10/0x10
[  487.267996][T19794]  ? __might_fault+0xb0/0x130
[  487.268017][T19794]  should_fail_ex+0x414/0x560
[  487.268037][T19794]  _copy_from_user+0x2d/0xb0
[  487.268052][T19794]  kstrtouint_from_user+0xc4/0x170
[  487.268074][T19794]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  487.268100][T19794]  proc_fail_nth_write+0x88/0x240
[  487.268118][T19794]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.268135][T19794]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.268152][T19794]  vfs_write+0x27e/0xa90
[  487.268171][T19794]  ? __pfx_vfs_write+0x10/0x10
[  487.268185][T19794]  ? __fget_files+0x2a/0x420
[  487.268201][T19794]  ? __fget_files+0x3a0/0x420
[  487.268213][T19794]  ? __fget_files+0x2a/0x420
[  487.268232][T19794]  ksys_write+0x145/0x250
[  487.268244][T19794]  ? __fget_files+0x3a0/0x420
[  487.268259][T19794]  ? __pfx_ksys_write+0x10/0x10
[  487.268305][T19794]  ? do_syscall_64+0xbe/0x3b0
[  487.268320][T19794]  do_syscall_64+0xfa/0x3b0
[  487.268331][T19794]  ? lockdep_hardirqs_on+0x9c/0x150
[  487.268347][T19794]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.268358][T19794]  ? clear_bhb_loop+0x60/0xb0
[  487.268374][T19794]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.268384][T19794] RIP: 0033:0x7f214c78d3df
[  487.268395][T19794] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  487.268405][T19794] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  487.268418][T19794] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  487.268427][T19794] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  487.268434][T19794] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  487.268441][T19794] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  487.268448][T19794] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  487.268466][T19794]  </TASK>
[  487.291960][T19796] FAULT_INJECTION: forcing a failure.
[  487.291960][T19796] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  487.291988][T19796] CPU: 0 UID: 0 PID: 19796 Comm: syz.0.6612 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  487.292002][T19796] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  487.292010][T19796] Call Trace:
[  487.292016][T19796]  <TASK>
[  487.292022][T19796]  dump_stack_lvl+0x189/0x250
[  487.292040][T19796]  ? __pfx____ratelimit+0x10/0x10
[  487.292059][T19796]  ? __pfx_dump_stack_lvl+0x10/0x10
[  487.292074][T19796]  ? __pfx__printk+0x10/0x10
[  487.292091][T19796]  ? __might_fault+0xb0/0x130
[  487.292115][T19796]  should_fail_ex+0x414/0x560
[  487.292136][T19796]  _copy_from_user+0x2d/0xb0
[  487.292153][T19796]  kstrtouint_from_user+0xc4/0x170
[  487.292173][T19796]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  487.292204][T19796]  proc_fail_nth_write+0x88/0x240
[  487.292222][T19796]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.292242][T19796]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.292261][T19796]  vfs_write+0x27e/0xa90
[  487.292314][T19796]  ? __pfx_vfs_write+0x10/0x10
[  487.292330][T19796]  ? __fget_files+0x2a/0x420
[  487.292350][T19796]  ? __fget_files+0x3a0/0x420
[  487.292364][T19796]  ? __fget_files+0x2a/0x420
[  487.292386][T19796]  ksys_write+0x145/0x250
[  487.292400][T19796]  ? __fget_files+0x3a0/0x420
[  487.292417][T19796]  ? __pfx_ksys_write+0x10/0x10
[  487.292434][T19796]  ? do_syscall_64+0xbe/0x3b0
[  487.292448][T19796]  do_syscall_64+0xfa/0x3b0
[  487.292459][T19796]  ? lockdep_hardirqs_on+0x9c/0x150
[  487.292477][T19796]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.292490][T19796]  ? clear_bhb_loop+0x60/0xb0
[  487.292505][T19796]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.292517][T19796] RIP: 0033:0x7f214c78d3df
[  487.292529][T19796] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  487.292540][T19796] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  487.292556][T19796] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  487.292565][T19796] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  487.292573][T19796] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  487.292581][T19796] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  487.292588][T19796] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  487.292608][T19796]  </TASK>
[  487.330979][T19798] FAULT_INJECTION: forcing a failure.
[  487.330979][T19798] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  487.331008][T19798] CPU: 0 UID: 0 PID: 19798 Comm: syz.0.6613 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  487.331023][T19798] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  487.331031][T19798] Call Trace:
[  487.331036][T19798]  <TASK>
[  487.331042][T19798]  dump_stack_lvl+0x189/0x250
[  487.331060][T19798]  ? __pfx____ratelimit+0x10/0x10
[  487.331078][T19798]  ? __pfx_dump_stack_lvl+0x10/0x10
[  487.331091][T19798]  ? __pfx__printk+0x10/0x10
[  487.331107][T19798]  ? __might_fault+0xb0/0x130
[  487.331125][T19798]  should_fail_ex+0x414/0x560
[  487.331146][T19798]  _copy_from_user+0x2d/0xb0
[  487.331160][T19798]  kstrtouint_from_user+0xc4/0x170
[  487.331180][T19798]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  487.331208][T19798]  proc_fail_nth_write+0x88/0x240
[  487.331226][T19798]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.331244][T19798]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.331260][T19798]  vfs_write+0x27e/0xa90
[  487.331278][T19798]  ? __pfx_vfs_write+0x10/0x10
[  487.331291][T19798]  ? __fget_files+0x2a/0x420
[  487.331310][T19798]  ? __fget_files+0x3a0/0x420
[  487.331323][T19798]  ? __fget_files+0x2a/0x420
[  487.331342][T19798]  ksys_write+0x145/0x250
[  487.331353][T19798]  ? __fget_files+0x3a0/0x420
[  487.331368][T19798]  ? __pfx_ksys_write+0x10/0x10
[  487.331385][T19798]  ? do_syscall_64+0xbe/0x3b0
[  487.331398][T19798]  do_syscall_64+0xfa/0x3b0
[  487.331405][T19798]  ? lockdep_hardirqs_on+0x9c/0x150
[  487.331417][T19798]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.331424][T19798]  ? clear_bhb_loop+0x60/0xb0
[  487.331434][T19798]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.331441][T19798] RIP: 0033:0x7f214c78d3df
[  487.331449][T19798] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  487.331456][T19798] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  487.331465][T19798] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  487.331470][T19798] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  487.331475][T19798] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  487.331480][T19798] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  487.331485][T19798] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  487.331496][T19798]  </TASK>
[  487.359440][T19800] FAULT_INJECTION: forcing a failure.
[  487.359440][T19800] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  487.359467][T19800] CPU: 0 UID: 0 PID: 19800 Comm: syz.0.6614 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  487.359482][T19800] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  487.359490][T19800] Call Trace:
[  487.359495][T19800]  <TASK>
[  487.359501][T19800]  dump_stack_lvl+0x189/0x250
[  487.359521][T19800]  ? __pfx____ratelimit+0x10/0x10
[  487.359542][T19800]  ? __pfx_dump_stack_lvl+0x10/0x10
[  487.359556][T19800]  ? __pfx__printk+0x10/0x10
[  487.359572][T19800]  ? __might_fault+0xb0/0x130
[  487.359594][T19800]  should_fail_ex+0x414/0x560
[  487.359614][T19800]  _copy_from_user+0x2d/0xb0
[  487.359629][T19800]  kstrtouint_from_user+0xc4/0x170
[  487.359647][T19800]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  487.359673][T19800]  proc_fail_nth_write+0x88/0x240
[  487.359690][T19800]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.359710][T19800]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.359728][T19800]  vfs_write+0x27e/0xa90
[  487.359748][T19800]  ? __pfx_vfs_write+0x10/0x10
[  487.359762][T19800]  ? __fget_files+0x2a/0x420
[  487.359781][T19800]  ? __fget_files+0x3a0/0x420
[  487.359794][T19800]  ? __fget_files+0x2a/0x420
[  487.359813][T19800]  ksys_write+0x145/0x250
[  487.359825][T19800]  ? __fget_files+0x3a0/0x420
[  487.359841][T19800]  ? __pfx_ksys_write+0x10/0x10
[  487.359858][T19800]  ? do_syscall_64+0xbe/0x3b0
[  487.359870][T19800]  do_syscall_64+0xfa/0x3b0
[  487.359878][T19800]  ? lockdep_hardirqs_on+0x9c/0x150
[  487.359901][T19800]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.359911][T19800]  ? clear_bhb_loop+0x60/0xb0
[  487.359924][T19800]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.359935][T19800] RIP: 0033:0x7f214c78d3df
[  487.359946][T19800] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  487.359956][T19800] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  487.359969][T19800] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  487.359978][T19800] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  487.359985][T19800] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  487.359993][T19800] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  487.359999][T19800] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  487.360016][T19800]  </TASK>
[  487.394422][T19802] FAULT_INJECTION: forcing a failure.
[  487.394422][T19802] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  487.394450][T19802] CPU: 0 UID: 0 PID: 19802 Comm: syz.0.6615 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  487.394463][T19802] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  487.394472][T19802] Call Trace:
[  487.394477][T19802]  <TASK>
[  487.394484][T19802]  dump_stack_lvl+0x189/0x250
[  487.394502][T19802]  ? __pfx____ratelimit+0x10/0x10
[  487.394520][T19802]  ? __pfx_dump_stack_lvl+0x10/0x10
[  487.394544][T19802]  ? __pfx__printk+0x10/0x10
[  487.394560][T19802]  ? __might_fault+0xb0/0x130
[  487.394582][T19802]  should_fail_ex+0x414/0x560
[  487.394603][T19802]  _copy_from_user+0x2d/0xb0
[  487.394618][T19802]  kstrtouint_from_user+0xc4/0x170
[  487.394637][T19802]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  487.394663][T19802]  proc_fail_nth_write+0x88/0x240
[  487.394680][T19802]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.394699][T19802]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  487.394716][T19802]  vfs_write+0x27e/0xa90
[  487.394736][T19802]  ? __pfx_vfs_write+0x10/0x10
[  487.394749][T19802]  ? __fget_files+0x2a/0x420
[  487.394766][T19802]  ? __fget_files+0x3a0/0x420
[  487.394779][T19802]  ? __fget_files+0x2a/0x420
[  487.394803][T19802]  ksys_write+0x145/0x250
[  487.394816][T19802]  ? __fget_files+0x3a0/0x420
[  487.394830][T19802]  ? __pfx_ksys_write+0x10/0x10
[  487.394846][T19802]  ? do_syscall_64+0xbe/0x3b0
[  487.394860][T19802]  do_syscall_64+0xfa/0x3b0
[  487.394870][T19802]  ? lockdep_hardirqs_on+0x9c/0x150
[  487.394886][T19802]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.395015][T19802]  ? clear_bhb_loop+0x60/0xb0
[  487.395030][T19802]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  487.395042][T19802] RIP: 0033:0x7f214c78d3df
[  487.395054][T19802] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  487.395064][T19802] RSP: 002b:00007f214d53a030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  487.395078][T19802] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f214c78d3df
[  487.395086][T19802] RDX: 0000000000000001 RSI: 00007f214d53a0a0 RDI: 0000000000000004
[  487.395093][T19802] RBP: 00007f214d53a090 R08: 0000000000000000 R09: 0000000000000000
[  487.395100][T19802] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  487.395107][T19802] R13: 0000000000000000 R14: 00007f214c9b5fa0 R15: 00007ffde8a19c58
[  487.395123][T19802]  </TASK>
[  487.489624][T17265] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[  487.490586][T17265] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[  487.491186][T17265] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[  487.506927][T17265] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[  487.508415][T17265] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[  487.701607][   T31] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  487.767142][   T31] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  487.836025][   T31] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  487.896116][   T31] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  488.002261][T19804] chnl_net:caif_netlink_parms(): no params data found
[  488.166051][   T31] bridge_slave_1: left allmulticast mode
[  488.166075][   T31] bridge_slave_1: left promiscuous mode
[  488.166212][   T31] bridge0: port 2(bridge_slave_1) entered disabled state
[  488.187301][   T31] bridge_slave_0: left allmulticast mode
[  488.187323][   T31] bridge_slave_0: left promiscuous mode
[  488.188446][   T31] bridge0: port 1(bridge_slave_0) entered disabled state
[  488.919772][   T31] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  488.921656][   T31] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  488.925846][   T31] bond0 (unregistering): Released all slaves
[  489.132655][T19804] bridge0: port 1(bridge_slave_0) entered blocking state
[  489.136039][T19804] bridge0: port 1(bridge_slave_0) entered disabled state
[  489.136175][T19804] bridge_slave_0: entered allmulticast mode
[  489.138871][T19804] bridge_slave_0: entered promiscuous mode
[  489.140632][T19804] bridge0: port 2(bridge_slave_1) entered blocking state
[  489.140701][T19804] bridge0: port 2(bridge_slave_1) entered disabled state
[  489.140799][T19804] bridge_slave_1: entered allmulticast mode
[  489.142022][T19804] bridge_slave_1: entered promiscuous mode
[  489.366641][T19804] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  489.389138][T19804] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  489.516667][   T31] hsr_slave_0: left promiscuous mode
[  489.521578][   T31] hsr_slave_1: left promiscuous mode
[  489.522153][   T31] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  489.522175][   T31] batman_adv: batadv0: Removing interface: batadv_slave_0
[  489.522794][   T31] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  489.522809][   T31] batman_adv: batadv0: Removing interface: batadv_slave_1
[  489.536086][T17265] Bluetooth: hci0: command tx timeout
[  489.556798][   T31] veth1_macvtap: left promiscuous mode
[  489.556861][   T31] veth0_macvtap: left promiscuous mode
[  489.556986][   T31] veth1_vlan: left promiscuous mode
[  489.557087][   T31] veth0_vlan: left promiscuous mode
[  490.338265][   T31] team0 (unregistering): Port device team_slave_1 removed
[  490.378055][   T31] team0 (unregistering): Port device team_slave_0 removed
[  490.956139][T19804] team0: Port device team_slave_0 added
[  491.056045][T19804] team0: Port device team_slave_1 added
[  491.146305][T19804] batman_adv: batadv0: Adding interface: batadv_slave_0
[  491.146323][T19804] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[  491.146344][T19804] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[  491.155459][T19804] batman_adv: batadv0: Adding interface: batadv_slave_1
[  491.155479][T19804] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[  491.155502][T19804] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[  491.304014][T19804] hsr_slave_0: entered promiscuous mode
[  491.317354][T19804] hsr_slave_1: entered promiscuous mode
[  491.614791][T17265] Bluetooth: hci0: command tx timeout
[  492.332387][T19804] netdevsim netdevsim0 netdevsim0: renamed from eth0
[  492.345789][T19804] netdevsim netdevsim0 netdevsim1: renamed from eth1
[  492.356154][T19804] netdevsim netdevsim0 netdevsim2: renamed from eth2
[  492.364798][T19804] netdevsim netdevsim0 netdevsim3: renamed from eth3
[  492.568640][T19804] 8021q: adding VLAN 0 to HW filter on device bond0
[  492.599718][T19804] 8021q: adding VLAN 0 to HW filter on device team0
[  492.607597][   T31] bridge0: port 1(bridge_slave_0) entered blocking state
[  492.607668][   T31] bridge0: port 1(bridge_slave_0) entered forwarding state
[  492.644918][ T1037] bridge0: port 2(bridge_slave_1) entered blocking state
[  492.645011][ T1037] bridge0: port 2(bridge_slave_1) entered forwarding state
[  493.170855][T19804] 8021q: adding VLAN 0 to HW filter on device batadv0
[  493.262764][T19804] veth0_vlan: entered promiscuous mode
[  493.278548][T19804] veth1_vlan: entered promiscuous mode
[  493.340326][T19804] veth0_macvtap: entered promiscuous mode
[  493.348015][T19804] veth1_macvtap: entered promiscuous mode
[  493.407042][T19804] batman_adv: batadv0: Interface activated: batadv_slave_0
[  493.413951][T19804] batman_adv: batadv0: Interface activated: batadv_slave_1
[  493.425484][T19804] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[  493.425513][T19804] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[  493.425530][T19804] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[  493.425546][T19804] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[  493.601589][ T1148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  493.601609][ T1148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  493.676456][ T1037] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  493.676480][ T1037] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  493.694389][T17265] Bluetooth: hci0: command tx timeout
[  493.785770][T19863] FAULT_INJECTION: forcing a failure.
[  493.785770][T19863] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  493.785796][T19863] CPU: 0 UID: 0 PID: 19863 Comm: syz.0.6616 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  493.785806][T19863] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  493.785811][T19863] Call Trace:
[  493.785815][T19863]  <TASK>
[  493.785819][T19863]  dump_stack_lvl+0x189/0x250
[  493.785932][T19863]  ? __pfx____ratelimit+0x10/0x10
[  493.785981][T19863]  ? __pfx_dump_stack_lvl+0x10/0x10
[  493.785993][T19863]  ? __pfx__printk+0x10/0x10
[  493.786010][T19863]  ? __might_fault+0xb0/0x130
[  493.786056][T19863]  should_fail_ex+0x414/0x560
[  493.786069][T19863]  _copy_from_user+0x2d/0xb0
[  493.786079][T19863]  kstrtouint_from_user+0xc4/0x170
[  493.786095][T19863]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  493.786120][T19863]  proc_fail_nth_write+0x88/0x240
[  493.786137][T19863]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  493.786156][T19863]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  493.786173][T19863]  vfs_write+0x27e/0xa90
[  493.786194][T19863]  ? __pfx_vfs_write+0x10/0x10
[  493.786208][T19863]  ? __fget_files+0x2a/0x420
[  493.786226][T19863]  ? __fget_files+0x3a0/0x420
[  493.786240][T19863]  ? __fget_files+0x2a/0x420
[  493.786260][T19863]  ksys_write+0x145/0x250
[  493.786272][T19863]  ? __fget_files+0x3a0/0x420
[  493.786287][T19863]  ? __pfx_ksys_write+0x10/0x10
[  493.786303][T19863]  ? do_syscall_64+0xbe/0x3b0
[  493.786318][T19863]  do_syscall_64+0xfa/0x3b0
[  493.786328][T19863]  ? lockdep_hardirqs_on+0x9c/0x150
[  493.786345][T19863]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  493.786360][T19863]  ? clear_bhb_loop+0x60/0xb0
[  493.786375][T19863]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  493.786386][T19863] RIP: 0033:0x7f70f6d8d3df
[  493.786398][T19863] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  493.786408][T19863] RSP: 002b:00007f70f7bdc030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  493.786422][T19863] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f70f6d8d3df
[  493.786430][T19863] RDX: 0000000000000001 RSI: 00007f70f7bdc0a0 RDI: 0000000000000004
[  493.786437][T19863] RBP: 00007f70f7bdc090 R08: 0000000000000000 R09: 0000000000000000
[  493.786444][T19863] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  493.786451][T19863] R13: 0000000000000000 R14: 00007f70f6fb5fa0 R15: 00007ffc5158e2e8
[  493.786469][T19863]  </TASK>
[  493.869200][T19866] FAULT_INJECTION: forcing a failure.
[  493.869200][T19866] name fail_usercopy, interval 1, probability 0, space 0, times 0
[  493.869221][T19866] CPU: 0 UID: 0 PID: 19866 Comm: syz.0.6617 Not tainted 6.16.0-rc5-syzkaller-gd7b8f8e20813-dirty #0 PREEMPT(full) 
[  493.869231][T19866] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[  493.869238][T19866] Call Trace:
[  493.869243][T19866]  <TASK>
[  493.869248][T19866]  dump_stack_lvl+0x189/0x250
[  493.869267][T19866]  ? __pfx____ratelimit+0x10/0x10
[  493.869285][T19866]  ? __pfx_dump_stack_lvl+0x10/0x10
[  493.869299][T19866]  ? __pfx__printk+0x10/0x10
[  493.869315][T19866]  ? __might_fault+0xb0/0x130
[  493.869333][T19866]  should_fail_ex+0x414/0x560
[  493.869347][T19866]  _copy_from_user+0x2d/0xb0
[  493.869357][T19866]  kstrtouint_from_user+0xc4/0x170
[  493.869370][T19866]  ? __pfx_kstrtouint_from_user+0x10/0x10
[  493.869387][T19866]  proc_fail_nth_write+0x88/0x240
[  493.869399][T19866]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  493.869417][T19866]  ? __pfx_proc_fail_nth_write+0x10/0x10
[  493.869433][T19866]  vfs_write+0x27e/0xa90
[  493.869454][T19866]  ? __pfx_vfs_write+0x10/0x10
[  493.869467][T19866]  ? __fget_files+0x2a/0x420
[  493.869484][T19866]  ? __fget_files+0x3a0/0x420
[  493.869497][T19866]  ? __fget_files+0x2a/0x420
[  493.869516][T19866]  ksys_write+0x145/0x250
[  493.869528][T19866]  ? __fget_files+0x3a0/0x420
[  493.869544][T19866]  ? __pfx_ksys_write+0x10/0x10
[  493.869559][T19866]  ? do_syscall_64+0xbe/0x3b0
[  493.869581][T19866]  do_syscall_64+0xfa/0x3b0
[  493.869590][T19866]  ? lockdep_hardirqs_on+0x9c/0x150
[  493.869607][T19866]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  493.869619][T19866]  ? clear_bhb_loop+0x60/0xb0
[  493.869633][T19866]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  493.869643][T19866] RIP: 0033:0x7f70f6d8d3df
[  493.869654][T19866] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[  493.869664][T19866] RSP: 002b:00007f70f7bdc030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  493.869678][T19866] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f70f6d8d3df
[  493.869685][T19866] RDX: 0000000000000001 RSI: 00007f70f7bdc0a0 RDI: 0000000000000004
[  493.869692][T19866] RBP: 00007f70f7bdc090 R08: 0000000000000000 R09: 0000000000000000
[  493.869699][T19866] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
[  493.869706][T19866] R13: 0000000000000000 R14: 00007f70f6fb5fa0 R15: 00007ffc5158e2e8
[  493.869725][T19866]  </TASK>
[  496.098590][ T1148] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  496.159065][ T1148] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  496.217050][ T1148] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  496.271374][ T1148] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  496.448288][ T1148] bridge_slave_1: left allmulticast mode
[  496.448305][ T1148] bridge_slave_1: left promiscuous mode
[  496.448427][ T1148] bridge0: port 2(bridge_slave_1) entered disabled state
[  496.449846][ T1148] bridge_slave_0: left allmulticast mode
[  496.449858][ T1148] bridge_slave_0: left promiscuous mode
[  496.449973][ T1148] bridge0: port 1(bridge_slave_0) entered disabled state
[  497.138008][ T1148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  497.150606][ T1148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  497.151789][ T1148] bond0 (unregistering): Released all slaves
[  497.420555][ T1148] hsr_slave_0: left promiscuous mode
[  497.421024][ T1148] hsr_slave_1: left promiscuous mode
[  497.426886][ T1148] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  497.426911][ T1148] batman_adv: batadv0: Removing interface: batadv_slave_0
[  497.447012][ T1148] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  497.447035][ T1148] batman_adv: batadv0: Removing interface: batadv_slave_1
[  497.453145][ T1148] veth1_macvtap: left promiscuous mode
[  497.453208][ T1148] veth0_macvtap: left promiscuous mode
[  497.453336][ T1148] veth1_vlan: left promiscuous mode
[  497.453427][ T1148] veth0_vlan: left promiscuous mode
[  498.177336][ T1148] team0 (unregistering): Port device team_slave_1 removed
[  498.210106][ T1148] team0 (unregistering): Port device team_slave_0 removed
[  506.578200][ T1315] ieee802154 phy0 wpan0: encryption failed: -22
[  506.578248][ T1315] ieee802154 phy1 wpan1: encryption failed: -22