1 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 60.893259][ T635] RSP: 002b:00007f98c7dd5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 60.901679][ T635] RAX: 0000000000000000 RBX: 00007f98c71c5fa0 RCX: 00007f98c6f8ebe9
[ 60.909657][ T635] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 60.917725][ T635] RBP: 00007f98c7dd5090 R08: 0000000000000000 R09: 0000000000000000
[ 60.925699][ T635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 60.933756][ T635] R13: 00007f98c71c6038 R14: 00007f98c71c5fa0 R15: 00007ffc18aa3a58
[ 60.941750][ T635]
[ 60.944853][ T641] CPU: 1 PID: 641 Comm: syz.5.58 Not tainted syzkaller #0
[ 60.952113][ T641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 60.962160][ T641] Call Trace:
[ 60.965604][ T641]
[ 60.968521][ T641] __dump_stack+0x21/0x24
[ 60.972841][ T641] dump_stack_lvl+0xee/0x150
[ 60.977419][ T641] ? __cfi_dump_stack_lvl+0x8/0x8
[ 60.982465][ T641] dump_stack+0x15/0x24
[ 60.986620][ T641] should_fail_ex+0x3d4/0x520
[ 60.991299][ T641] should_fail+0xb/0x10
[ 60.995457][ T641] should_fail_usercopy+0x1a/0x20
[ 61.000486][ T641] _copy_to_user+0x1e/0x90
[ 61.004890][ T641] simple_read_from_buffer+0xe9/0x160
[ 61.010332][ T641] proc_fail_nth_read+0x19a/0x210
[ 61.015341][ T641] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 61.020867][ T641] ? security_file_permission+0x94/0xb0
[ 61.026392][ T641] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 61.031920][ T641] vfs_read+0x26e/0x8c0
[ 61.036060][ T641] ? __cfi_vfs_read+0x10/0x10
[ 61.040740][ T641] ? __kasan_check_write+0x14/0x20
[ 61.045838][ T641] ? mutex_lock+0x8d/0x1a0
[ 61.050251][ T641] ? __cfi_mutex_lock+0x10/0x10
[ 61.055083][ T641] ? __fdget_pos+0x2cd/0x380
[ 61.059998][ T641] ? ksys_read+0x71/0x240
[ 61.064484][ T641] ksys_read+0x140/0x240
[ 61.068824][ T641] ? __cfi_ksys_read+0x10/0x10
[ 61.073605][ T641] ? debug_smp_processor_id+0x17/0x20
[ 61.078969][ T641] __x64_sys_read+0x7b/0x90
[ 61.083670][ T641] x64_sys_call+0x2f/0x9a0
[ 61.088154][ T641] do_syscall_64+0x4c/0xa0
[ 61.092825][ T641] ? clear_bhb_loop+0x30/0x80
[ 61.097687][ T641] ? clear_bhb_loop+0x30/0x80
[ 61.102364][ T641] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 61.108260][ T641] RIP: 0033:0x7efd2b18d5fc
[ 61.112658][ T641] 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
[ 61.132256][ T641] RSP: 002b:00007efd2bfac030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 61.140663][ T641] RAX: ffffffffffffffda RBX: 00007efd2b3c6090 RCX: 00007efd2b18d5fc
[ 61.148629][ T641] RDX: 000000000000000f RSI: 00007efd2bfac0a0 RDI: 0000000000000006
[ 61.156684][ T641] RBP: 00007efd2bfac090 R08: 0000000000000000 R09: 0000000000000000
[ 61.164656][ T641] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 61.172625][ T641] R13: 00007efd2b3c6128 R14: 00007efd2b3c6090 R15: 00007ffda9db5758
[ 61.180624][ T641]
[ 61.185089][ T643] FAULT_INJECTION: forcing a failure.
[ 61.185089][ T643] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 61.199346][ T631] FAULT_INJECTION: forcing a failure.
[ 61.199346][ T631] name failslab, interval 1, probability 0, space 0, times 0
[ 61.203680][ T643] CPU: 0 PID: 643 Comm: syz.2.60 Not tainted syzkaller #0
[ 61.219146][ T643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 61.229480][ T643] Call Trace:
[ 61.232844][ T643]
[ 61.235785][ T643] __dump_stack+0x21/0x24
[ 61.240130][ T643] dump_stack_lvl+0xee/0x150
[ 61.244710][ T643] ? __cfi_dump_stack_lvl+0x8/0x8
[ 61.249741][ T643] dump_stack+0x15/0x24
[ 61.253920][ T643] should_fail_ex+0x3d4/0x520
[ 61.258627][ T643] should_fail+0xb/0x10
[ 61.262784][ T643] should_fail_usercopy+0x1a/0x20
[ 61.267827][ T643] _copy_to_user+0x1e/0x90
[ 61.272238][ T643] simple_read_from_buffer+0xe9/0x160
[ 61.277618][ T643] proc_fail_nth_read+0x19a/0x210
[ 61.282647][ T643] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 61.288183][ T643] ? security_file_permission+0x94/0xb0
[ 61.293907][ T643] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 61.299479][ T643] vfs_read+0x26e/0x8c0
[ 61.303645][ T643] ? __cfi_vfs_read+0x10/0x10
[ 61.308316][ T643] ? __kasan_check_write+0x14/0x20
[ 61.313443][ T643] ? mutex_lock+0x8d/0x1a0
[ 61.317987][ T643] ? __cfi_mutex_lock+0x10/0x10
[ 61.322959][ T643] ? __fdget_pos+0x2cd/0x380
[ 61.327554][ T643] ? ksys_read+0x71/0x240
[ 61.331896][ T643] ksys_read+0x140/0x240
[ 61.336134][ T643] ? __cfi_ksys_read+0x10/0x10
[ 61.340897][ T643] ? debug_smp_processor_id+0x17/0x20
[ 61.346349][ T643] __x64_sys_read+0x7b/0x90
[ 61.350840][ T643] x64_sys_call+0x2f/0x9a0
[ 61.355242][ T643] do_syscall_64+0x4c/0xa0
[ 61.359638][ T643] ? clear_bhb_loop+0x30/0x80
[ 61.364309][ T643] ? clear_bhb_loop+0x30/0x80
[ 61.369158][ T643] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 61.375037][ T643] RIP: 0033:0x7f52df58d5fc
[ 61.379434][ T643] 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
[ 61.399034][ T643] RSP: 002b:00007f52e0408030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 61.407455][ T643] RAX: ffffffffffffffda RBX: 00007f52df7c6090 RCX: 00007f52df58d5fc
[ 61.422308][ T643] RDX: 000000000000000f RSI: 00007f52e04080a0 RDI: 0000000000000006
[ 61.430455][ T643] RBP: 00007f52e0408090 R08: 0000000000000000 R09: 0000000000000000
[ 61.438418][ T643] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 61.439885][ T647] FAULT_INJECTION: forcing a failure.
[ 61.439885][ T647] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 61.446468][ T643] R13: 00007f52df7c6128 R14: 00007f52df7c6090 R15: 00007fff6be1ce28
[ 61.467602][ T643]
[ 61.470701][ T631] CPU: 1 PID: 631 Comm: syz.4.57 Not tainted syzkaller #0
[ 61.477823][ T631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 61.488057][ T631] Call Trace:
[ 61.491412][ T631]
[ 61.494426][ T631] __dump_stack+0x21/0x24
[ 61.498763][ T631] dump_stack_lvl+0xee/0x150
[ 61.503375][ T631] ? __cfi_dump_stack_lvl+0x8/0x8
[ 61.508576][ T631] dump_stack+0x15/0x24
[ 61.512737][ T631] should_fail_ex+0x3d4/0x520
[ 61.517541][ T631] __should_failslab+0xac/0xf0
[ 61.522311][ T631] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 61.528298][ T631] should_failslab+0x9/0x20
[ 61.532891][ T631] __kmem_cache_alloc_node+0x3d/0x2c0
[ 61.538359][ T631] ? __cfi_mutex_lock+0x10/0x10
[ 61.543298][ T631] ? delete_node+0x3dc/0xa60
[ 61.547897][ T631] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 61.553910][ T631] __kmalloc+0xa1/0x1e0
[ 61.558064][ T631] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 61.564151][ T631] tracepoint_probe_unregister+0x1e6/0x8b0
[ 61.569967][ T631] bpf_probe_unregister+0x61/0x70
[ 61.574993][ T631] bpf_raw_tp_link_release+0x63/0x90
[ 61.580275][ T631] bpf_link_free+0x13a/0x390
[ 61.584878][ T631] ? bpf_link_put_deferred+0x20/0x20
[ 61.590181][ T631] bpf_link_release+0x15f/0x170
[ 61.595044][ T631] ? __cfi_bpf_link_release+0x10/0x10
[ 61.600445][ T631] __fput+0x1fc/0x8f0
[ 61.604435][ T631] ____fput+0x15/0x20
[ 61.608417][ T631] task_work_run+0x1db/0x240
[ 61.613091][ T631] ? __cfi_task_work_run+0x10/0x10
[ 61.618189][ T631] ? filp_close+0x111/0x160
[ 61.622690][ T631] exit_to_user_mode_loop+0x9b/0xb0
[ 61.627903][ T631] exit_to_user_mode_prepare+0x5a/0xa0
[ 61.633367][ T631] syscall_exit_to_user_mode+0x1a/0x30
[ 61.638821][ T631] do_syscall_64+0x58/0xa0
[ 61.643222][ T631] ? clear_bhb_loop+0x30/0x80
[ 61.647981][ T631] ? clear_bhb_loop+0x30/0x80
[ 61.652658][ T631] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 61.658600][ T631] RIP: 0033:0x7ff685d8ebe9
[ 61.663026][ T631] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 61.682638][ T631] RSP: 002b:00007ff686c56038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 61.691054][ T631] RAX: 0000000000000000 RBX: 00007ff685fc5fa0 RCX: 00007ff685d8ebe9
[ 61.699040][ T631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 61.706993][ T631] RBP: 00007ff686c56090 R08: 0000000000000000 R09: 0000000000000000
[ 61.714956][ T631] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 61.722923][ T631] R13: 00007ff685fc6038 R14: 00007ff685fc5fa0 R15: 00007ffd03a8dd98
[ 61.731086][ T631]
[ 61.734234][ T647] CPU: 0 PID: 647 Comm: syz.1.61 Not tainted syzkaller #0
[ 61.736332][ T646] FAULT_INJECTION: forcing a failure.
[ 61.736332][ T646] name failslab, interval 1, probability 0, space 0, times 0
[ 61.741467][ T647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 61.741478][ T647] Call Trace:
[ 61.741483][ T647]
[ 61.741489][ T647] __dump_stack+0x21/0x24
[ 61.775026][ T647] dump_stack_lvl+0xee/0x150
[ 61.779732][ T647] ? __cfi_dump_stack_lvl+0x8/0x8
[ 61.784750][ T647] dump_stack+0x15/0x24
[ 61.788922][ T647] should_fail_ex+0x3d4/0x520
[ 61.793588][ T647] should_fail+0xb/0x10
[ 61.797726][ T647] should_fail_usercopy+0x1a/0x20
[ 61.802782][ T647] _copy_to_user+0x1e/0x90
[ 61.807221][ T647] simple_read_from_buffer+0xe9/0x160
[ 61.812597][ T647] proc_fail_nth_read+0x19a/0x210
[ 61.817717][ T647] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 61.823265][ T647] ? security_file_permission+0x94/0xb0
[ 61.828832][ T647] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 61.834490][ T647] vfs_read+0x26e/0x8c0
[ 61.839010][ T647] ? __cfi_vfs_read+0x10/0x10
[ 61.843708][ T647] ? __kasan_check_write+0x14/0x20
[ 61.848828][ T647] ? mutex_lock+0x8d/0x1a0
[ 61.853484][ T647] ? __cfi_mutex_lock+0x10/0x10
[ 61.858391][ T647] ? __fdget_pos+0x2cd/0x380
[ 61.863076][ T647] ? ksys_read+0x71/0x240
[ 61.867686][ T647] ksys_read+0x140/0x240
[ 61.872109][ T647] ? __cfi_ksys_read+0x10/0x10
[ 61.876958][ T647] ? debug_smp_processor_id+0x17/0x20
[ 61.882788][ T647] __x64_sys_read+0x7b/0x90
[ 61.887488][ T647] x64_sys_call+0x2f/0x9a0
[ 61.892034][ T647] do_syscall_64+0x4c/0xa0
[ 61.896437][ T647] ? clear_bhb_loop+0x30/0x80
[ 61.901190][ T647] ? clear_bhb_loop+0x30/0x80
[ 61.905847][ T647] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 61.911814][ T647] RIP: 0033:0x7f680db8d5fc
[ 61.916253][ T647] 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
[ 61.936211][ T647] RSP: 002b:00007f680eac7030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 61.944634][ T647] RAX: ffffffffffffffda RBX: 00007f680ddc6090 RCX: 00007f680db8d5fc
[ 61.952613][ T647] RDX: 000000000000000f RSI: 00007f680eac70a0 RDI: 0000000000000006
[ 61.960666][ T647] RBP: 00007f680eac7090 R08: 0000000000000000 R09: 0000000000000000
[ 61.968619][ T647] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 61.976569][ T647] R13: 00007f680ddc6128 R14: 00007f680ddc6090 R15: 00007ffe5edf6868
[ 61.984612][ T647]
[ 61.988051][ T646] CPU: 0 PID: 646 Comm: syz.0.63 Not tainted syzkaller #0
[ 61.988269][ T651] FAULT_INJECTION: forcing a failure.
[ 61.988269][ T651] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 61.995187][ T646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 62.018226][ T646] Call Trace:
[ 62.021602][ T646]
[ 62.024539][ T646] __dump_stack+0x21/0x24
[ 62.028962][ T646] dump_stack_lvl+0xee/0x150
[ 62.033614][ T646] ? __cfi_dump_stack_lvl+0x8/0x8
[ 62.038650][ T646] dump_stack+0x15/0x24
[ 62.042798][ T646] should_fail_ex+0x3d4/0x520
[ 62.047562][ T646] __should_failslab+0xac/0xf0
[ 62.052420][ T646] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 62.058399][ T646] should_failslab+0x9/0x20
[ 62.062906][ T646] __kmem_cache_alloc_node+0x3d/0x2c0
[ 62.068296][ T646] ? __cfi_mutex_lock+0x10/0x10
[ 62.073156][ T646] ? delete_node+0x3dc/0xa60
[ 62.077749][ T646] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 62.083721][ T646] __kmalloc+0xa1/0x1e0
[ 62.087885][ T646] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 62.094048][ T646] tracepoint_probe_unregister+0x1e6/0x8b0
[ 62.099840][ T646] bpf_probe_unregister+0x61/0x70
[ 62.104865][ T646] bpf_raw_tp_link_release+0x63/0x90
[ 62.110135][ T646] bpf_link_free+0x13a/0x390
[ 62.114711][ T646] ? bpf_link_put_deferred+0x20/0x20
[ 62.119995][ T646] bpf_link_release+0x15f/0x170
[ 62.124844][ T646] ? __cfi_bpf_link_release+0x10/0x10
[ 62.130213][ T646] __fput+0x1fc/0x8f0
[ 62.134234][ T646] ____fput+0x15/0x20
[ 62.138250][ T646] task_work_run+0x1db/0x240
[ 62.142844][ T646] ? __cfi_task_work_run+0x10/0x10
[ 62.147959][ T646] ? filp_close+0x111/0x160
[ 62.152451][ T646] exit_to_user_mode_loop+0x9b/0xb0
[ 62.157637][ T646] exit_to_user_mode_prepare+0x5a/0xa0
[ 62.163101][ T646] syscall_exit_to_user_mode+0x1a/0x30
[ 62.168771][ T646] do_syscall_64+0x58/0xa0
[ 62.173801][ T646] ? clear_bhb_loop+0x30/0x80
[ 62.178500][ T646] ? clear_bhb_loop+0x30/0x80
[ 62.183180][ T646] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 62.189080][ T646] RIP: 0033:0x7f98c6f8ebe9
[ 62.193485][ T646] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 62.213084][ T646] RSP: 002b:00007f98c7dd5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 62.221517][ T646] RAX: 0000000000000000 RBX: 00007f98c71c5fa0 RCX: 00007f98c6f8ebe9
[ 62.229485][ T646] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 62.237451][ T646] RBP: 00007f98c7dd5090 R08: 0000000000000000 R09: 0000000000000000
[ 62.245413][ T646] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 62.253476][ T646] R13: 00007f98c71c6038 R14: 00007f98c71c5fa0 R15: 00007ffc18aa3a58
[ 62.261724][ T646]
[ 62.267007][ T651] CPU: 0 PID: 651 Comm: syz.4.64 Not tainted syzkaller #0
[ 62.267066][ T652] FAULT_INJECTION: forcing a failure.
[ 62.267066][ T652] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 62.274132][ T651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 62.274142][ T651] Call Trace:
[ 62.274146][ T651]
[ 62.274151][ T651] __dump_stack+0x21/0x24
[ 62.274178][ T651] dump_stack_lvl+0xee/0x150
[ 62.274199][ T651] ? __cfi_dump_stack_lvl+0x8/0x8
[ 62.274222][ T651] dump_stack+0x15/0x24
[ 62.274235][ T651] should_fail_ex+0x3d4/0x520
[ 62.326346][ T651] should_fail+0xb/0x10
[ 62.330512][ T651] should_fail_usercopy+0x1a/0x20
[ 62.335657][ T651] _copy_to_user+0x1e/0x90
[ 62.340087][ T651] simple_read_from_buffer+0xe9/0x160
[ 62.345473][ T651] proc_fail_nth_read+0x19a/0x210
[ 62.350579][ T651] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 62.356139][ T651] ? security_file_permission+0x94/0xb0
[ 62.361682][ T651] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 62.367431][ T651] vfs_read+0x26e/0x8c0
[ 62.371679][ T651] ? __cfi_vfs_read+0x10/0x10
[ 62.376353][ T651] ? __kasan_check_write+0x14/0x20
[ 62.381475][ T651] ? mutex_lock+0x8d/0x1a0
[ 62.385882][ T651] ? __cfi_mutex_lock+0x10/0x10
[ 62.390726][ T651] ? __fdget_pos+0x2cd/0x380
[ 62.395304][ T651] ? ksys_read+0x71/0x240
[ 62.399629][ T651] ksys_read+0x140/0x240
[ 62.403863][ T651] ? __cfi_ksys_read+0x10/0x10
[ 62.408621][ T651] ? debug_smp_processor_id+0x17/0x20
[ 62.414080][ T651] __x64_sys_read+0x7b/0x90
[ 62.418670][ T651] x64_sys_call+0x2f/0x9a0
[ 62.423193][ T651] do_syscall_64+0x4c/0xa0
[ 62.427628][ T651] ? clear_bhb_loop+0x30/0x80
[ 62.432301][ T651] ? clear_bhb_loop+0x30/0x80
[ 62.436967][ T651] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 62.442854][ T651] RIP: 0033:0x7ff685d8d5fc
[ 62.447257][ T651] 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
[ 62.466944][ T651] RSP: 002b:00007ff686c35030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 62.475454][ T651] RAX: ffffffffffffffda RBX: 00007ff685fc6090 RCX: 00007ff685d8d5fc
[ 62.483435][ T651] RDX: 000000000000000f RSI: 00007ff686c350a0 RDI: 0000000000000004
[ 62.491421][ T651] RBP: 00007ff686c35090 R08: 0000000000000000 R09: 0000000000000000
[ 62.499397][ T651] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 62.507432][ T651] R13: 00007ff685fc6128 R14: 00007ff685fc6090 R15: 00007ffd03a8dd98
[ 62.515408][ T651]
[ 62.518884][ T652] CPU: 0 PID: 652 Comm: syz.5.62 Not tainted syzkaller #0
[ 62.526011][ T652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 62.536068][ T652] Call Trace:
[ 62.539364][ T652]
[ 62.542298][ T652] __dump_stack+0x21/0x24
[ 62.546674][ T652] dump_stack_lvl+0xee/0x150
[ 62.551316][ T652] ? __cfi_dump_stack_lvl+0x8/0x8
[ 62.556471][ T652] dump_stack+0x15/0x24
[ 62.560621][ T652] should_fail_ex+0x3d4/0x520
[ 62.565291][ T652] should_fail+0xb/0x10
[ 62.569450][ T652] should_fail_usercopy+0x1a/0x20
[ 62.574568][ T652] _copy_to_user+0x1e/0x90
[ 62.579060][ T652] simple_read_from_buffer+0xe9/0x160
[ 62.584642][ T652] proc_fail_nth_read+0x19a/0x210
[ 62.589683][ T652] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 62.595228][ T652] ? security_file_permission+0x94/0xb0
[ 62.600775][ T652] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 62.606335][ T652] vfs_read+0x26e/0x8c0
[ 62.610512][ T652] ? __cfi_vfs_read+0x10/0x10
[ 62.615305][ T652] ? __kasan_check_write+0x14/0x20
[ 62.620415][ T652] ? mutex_lock+0x8d/0x1a0
[ 62.624992][ T652] ? __cfi_mutex_lock+0x10/0x10
[ 62.629942][ T652] ? __fdget_pos+0x2cd/0x380
[ 62.634533][ T652] ? ksys_read+0x71/0x240
[ 62.638958][ T652] ksys_read+0x140/0x240
[ 62.643207][ T652] ? __cfi_ksys_read+0x10/0x10
[ 62.647990][ T652] ? debug_smp_processor_id+0x17/0x20
[ 62.653444][ T652] __x64_sys_read+0x7b/0x90
[ 62.658044][ T652] x64_sys_call+0x2f/0x9a0
[ 62.662637][ T652] do_syscall_64+0x4c/0xa0
[ 62.667232][ T652] ? clear_bhb_loop+0x30/0x80
[ 62.671998][ T652] ? clear_bhb_loop+0x30/0x80
[ 62.676896][ T652] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 62.682969][ T652] RIP: 0033:0x7efd2b18d5fc
[ 62.687384][ T652] 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
[ 62.707185][ T652] RSP: 002b:00007efd2bfac030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 62.715771][ T652] RAX: ffffffffffffffda RBX: 00007efd2b3c6090 RCX: 00007efd2b18d5fc
[ 62.724015][ T652] RDX: 000000000000000f RSI: 00007efd2bfac0a0 RDI: 0000000000000006
[ 62.732109][ T652] RBP: 00007efd2bfac090 R08: 0000000000000000 R09: 0000000000000000
[ 62.740189][ T652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 62.748158][ T652] R13: 00007efd2b3c6128 R14: 00007efd2b3c6090 R15: 00007ffda9db5758
[ 62.756329][ T652]
[ 62.780442][ T656] FAULT_INJECTION: forcing a failure.
[ 62.780442][ T656] name failslab, interval 1, probability 0, space 0, times 0
[ 62.795611][ T656] CPU: 0 PID: 656 Comm: syz.0.65 Not tainted syzkaller #0
[ 62.802764][ T656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 62.813013][ T656] Call Trace:
[ 62.816300][ T656]
[ 62.819542][ T656] __dump_stack+0x21/0x24
[ 62.823995][ T656] dump_stack_lvl+0xee/0x150
[ 62.828753][ T656] ? __cfi_dump_stack_lvl+0x8/0x8
[ 62.833803][ T656] dump_stack+0x15/0x24
[ 62.838190][ T656] should_fail_ex+0x3d4/0x520
[ 62.842880][ T656] __should_failslab+0xac/0xf0
[ 62.847733][ T656] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 62.853731][ T656] should_failslab+0x9/0x20
[ 62.858338][ T656] __kmem_cache_alloc_node+0x3d/0x2c0
[ 62.863741][ T656] ? __cfi_mutex_lock+0x10/0x10
[ 62.868682][ T656] ? delete_node+0x3dc/0xa60
[ 62.873282][ T656] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 62.879257][ T656] __kmalloc+0xa1/0x1e0
[ 62.883557][ T656] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 62.889757][ T656] tracepoint_probe_unregister+0x1e6/0x8b0
[ 62.895573][ T656] bpf_probe_unregister+0x61/0x70
[ 62.900597][ T656] bpf_raw_tp_link_release+0x63/0x90
[ 62.905869][ T656] bpf_link_free+0x13a/0x390
[ 62.910446][ T656] ? bpf_link_put_deferred+0x20/0x20
[ 62.915721][ T656] bpf_link_release+0x15f/0x170
[ 62.920598][ T656] ? __cfi_bpf_link_release+0x10/0x10
[ 62.925983][ T656] __fput+0x1fc/0x8f0
[ 62.929960][ T656] ____fput+0x15/0x20
[ 62.934135][ T656] task_work_run+0x1db/0x240
[ 62.938725][ T656] ? __cfi_task_work_run+0x10/0x10
[ 62.943835][ T656] ? filp_close+0x111/0x160
[ 62.948384][ T656] exit_to_user_mode_loop+0x9b/0xb0
[ 62.953578][ T656] exit_to_user_mode_prepare+0x5a/0xa0
[ 62.959033][ T656] syscall_exit_to_user_mode+0x1a/0x30
[ 62.964491][ T656] do_syscall_64+0x58/0xa0
[ 62.968905][ T656] ? clear_bhb_loop+0x30/0x80
[ 62.973649][ T656] ? clear_bhb_loop+0x30/0x80
[ 62.978387][ T656] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 62.984289][ T656] RIP: 0033:0x7f98c6f8ebe9
[ 62.988713][ T656] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 63.008358][ T656] RSP: 002b:00007f98c7dd5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 63.016822][ T656] RAX: 0000000000000000 RBX: 00007f98c71c5fa0 RCX: 00007f98c6f8ebe9
[ 63.024790][ T656] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 63.032832][ T656] RBP: 00007f98c7dd5090 R08: 0000000000000000 R09: 0000000000000000
[ 63.040796][ T656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 63.048894][ T656] R13: 00007f98c71c6038 R14: 00007f98c71c5fa0 R15: 00007ffc18aa3a58
[ 63.056875][ T656]
[ 63.061468][ T658] FAULT_INJECTION: forcing a failure.
[ 63.061468][ T658] name failslab, interval 1, probability 0, space 0, times 0
[ 63.074218][ T658] CPU: 0 PID: 658 Comm: syz.2.67 Not tainted syzkaller #0
[ 63.081355][ T658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 63.091674][ T658] Call Trace:
[ 63.095072][ T658]
[ 63.098205][ T658] __dump_stack+0x21/0x24
[ 63.102529][ T658] dump_stack_lvl+0xee/0x150
[ 63.107132][ T658] ? __cfi_dump_stack_lvl+0x8/0x8
[ 63.112170][ T658] dump_stack+0x15/0x24
[ 63.116312][ T658] should_fail_ex+0x3d4/0x520
[ 63.120977][ T658] __should_failslab+0xac/0xf0
[ 63.125825][ T658] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 63.131886][ T658] should_failslab+0x9/0x20
[ 63.136393][ T658] __kmem_cache_alloc_node+0x3d/0x2c0
[ 63.141850][ T658] ? __cfi_mutex_lock+0x10/0x10
[ 63.146701][ T658] ? delete_node+0x3dc/0xa60
[ 63.151293][ T658] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 63.157274][ T658] __kmalloc+0xa1/0x1e0
[ 63.161418][ T658] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 63.167478][ T658] tracepoint_probe_unregister+0x1e6/0x8b0
[ 63.173444][ T658] bpf_probe_unregister+0x61/0x70
[ 63.178572][ T658] bpf_raw_tp_link_release+0x63/0x90
[ 63.183939][ T658] bpf_link_free+0x13a/0x390
[ 63.188546][ T658] ? bpf_link_put_deferred+0x20/0x20
[ 63.193824][ T658] bpf_link_release+0x15f/0x170
[ 63.198678][ T658] ? __cfi_bpf_link_release+0x10/0x10
[ 63.204044][ T658] __fput+0x1fc/0x8f0
[ 63.208015][ T658] ____fput+0x15/0x20
[ 63.212032][ T658] task_work_run+0x1db/0x240
[ 63.216616][ T658] ? __cfi_task_work_run+0x10/0x10
[ 63.221911][ T658] ? filp_close+0x111/0x160
[ 63.226511][ T658] exit_to_user_mode_loop+0x9b/0xb0
[ 63.231704][ T658] exit_to_user_mode_prepare+0x5a/0xa0
[ 63.237147][ T658] syscall_exit_to_user_mode+0x1a/0x30
[ 63.242688][ T658] do_syscall_64+0x58/0xa0
[ 63.247094][ T658] ? clear_bhb_loop+0x30/0x80
[ 63.251792][ T658] ? clear_bhb_loop+0x30/0x80
[ 63.256478][ T658] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 63.262377][ T658] RIP: 0033:0x7f52df58ebe9
[ 63.266903][ T658] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 63.286507][ T658] RSP: 002b:00007f52e0429038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 63.294921][ T658] RAX: 0000000000000000 RBX: 00007f52df7c5fa0 RCX: 00007f52df58ebe9
[ 63.302875][ T658] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 63.310836][ T658] RBP: 00007f52e0429090 R08: 0000000000000000 R09: 0000000000000000
[ 63.318878][ T658] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 63.326834][ T658] R13: 00007f52df7c6038 R14: 00007f52df7c5fa0 R15: 00007fff6be1ce28
[ 63.334805][ T658]
[ 63.339503][ T655] FAULT_INJECTION: forcing a failure.
[ 63.339503][ T655] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 63.353940][ T666] FAULT_INJECTION: forcing a failure.
[ 63.353940][ T666] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 63.354179][ T655] CPU: 0 PID: 655 Comm: syz.4.66 Not tainted syzkaller #0
[ 63.374079][ T665] FAULT_INJECTION: forcing a failure.
[ 63.374079][ T665] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 63.374305][ T655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 63.397476][ T655] Call Trace:
[ 63.401025][ T655]
[ 63.404160][ T655] __dump_stack+0x21/0x24
[ 63.408523][ T655] dump_stack_lvl+0xee/0x150
[ 63.413219][ T655] ? __cfi_dump_stack_lvl+0x8/0x8
[ 63.418781][ T655] dump_stack+0x15/0x24
[ 63.423703][ T655] should_fail_ex+0x3d4/0x520
[ 63.428585][ T655] should_fail+0xb/0x10
[ 63.432756][ T655] should_fail_usercopy+0x1a/0x20
[ 63.437875][ T655] _copy_to_user+0x1e/0x90
[ 63.442361][ T655] simple_read_from_buffer+0xe9/0x160
[ 63.447835][ T655] proc_fail_nth_read+0x19a/0x210
[ 63.453172][ T655] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 63.458852][ T655] ? security_file_permission+0x94/0xb0
[ 63.464490][ T655] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 63.470322][ T655] vfs_read+0x26e/0x8c0
[ 63.474648][ T655] ? __cfi_vfs_read+0x10/0x10
[ 63.479401][ T655] ? __kasan_check_write+0x14/0x20
[ 63.484614][ T655] ? mutex_lock+0x8d/0x1a0
[ 63.489086][ T655] ? __cfi_mutex_lock+0x10/0x10
[ 63.494103][ T655] ? __fdget_pos+0x2cd/0x380
[ 63.498680][ T655] ? ksys_read+0x71/0x240
[ 63.503003][ T655] ksys_read+0x140/0x240
[ 63.507249][ T655] ? __cfi_ksys_read+0x10/0x10
[ 63.512019][ T655] ? fpregs_restore_userregs+0x128/0x260
[ 63.517662][ T655] __x64_sys_read+0x7b/0x90
[ 63.522174][ T655] x64_sys_call+0x2f/0x9a0
[ 63.526600][ T655] do_syscall_64+0x4c/0xa0
[ 63.531007][ T655] ? clear_bhb_loop+0x30/0x80
[ 63.535673][ T655] ? clear_bhb_loop+0x30/0x80
[ 63.540337][ T655] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 63.546225][ T655] RIP: 0033:0x7ff685d8d5fc
[ 63.550640][ T655] 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
[ 63.570423][ T655] RSP: 002b:00007ff686c56030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 63.579010][ T655] RAX: ffffffffffffffda RBX: 00007ff685fc5fa0 RCX: 00007ff685d8d5fc
[ 63.587073][ T655] RDX: 000000000000000f RSI: 00007ff686c560a0 RDI: 0000000000000006
[ 63.595148][ T655] RBP: 00007ff686c56090 R08: 0000000000000000 R09: 0000000000000000
[ 63.603124][ T655] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 63.611282][ T655] R13: 00007ff685fc6038 R14: 00007ff685fc5fa0 R15: 00007ffd03a8dd98
[ 63.619282][ T655]
[ 63.622416][ T665] CPU: 1 PID: 665 Comm: syz.1.68 Not tainted syzkaller #0
[ 63.629545][ T665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 63.639610][ T665] Call Trace:
[ 63.642888][ T665]
[ 63.645804][ T665] __dump_stack+0x21/0x24
[ 63.650127][ T665] dump_stack_lvl+0xee/0x150
[ 63.654709][ T665] ? __cfi_dump_stack_lvl+0x8/0x8
[ 63.659751][ T665] dump_stack+0x15/0x24
[ 63.663887][ T665] should_fail_ex+0x3d4/0x520
[ 63.668555][ T665] should_fail+0xb/0x10
[ 63.672811][ T665] should_fail_usercopy+0x1a/0x20
[ 63.677909][ T665] _copy_to_user+0x1e/0x90
[ 63.682332][ T665] simple_read_from_buffer+0xe9/0x160
[ 63.687722][ T665] proc_fail_nth_read+0x19a/0x210
[ 63.692947][ T665] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 63.698506][ T665] ? security_file_permission+0x94/0xb0
[ 63.704066][ T665] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 63.709688][ T665] vfs_read+0x26e/0x8c0
[ 63.713847][ T665] ? __cfi_vfs_read+0x10/0x10
[ 63.718534][ T665] ? __kasan_check_write+0x14/0x20
[ 63.723652][ T665] ? mutex_lock+0x8d/0x1a0
[ 63.728147][ T665] ? __cfi_mutex_lock+0x10/0x10
[ 63.732999][ T665] ? __fdget_pos+0x2cd/0x380
[ 63.737570][ T665] ? ksys_read+0x71/0x240
[ 63.741889][ T665] ksys_read+0x140/0x240
[ 63.746118][ T665] ? __cfi_ksys_read+0x10/0x10
[ 63.750876][ T665] ? debug_smp_processor_id+0x17/0x20
[ 63.756426][ T665] __x64_sys_read+0x7b/0x90
[ 63.760936][ T665] x64_sys_call+0x2f/0x9a0
[ 63.765362][ T665] do_syscall_64+0x4c/0xa0
[ 63.769776][ T665] ? clear_bhb_loop+0x30/0x80
[ 63.774547][ T665] ? clear_bhb_loop+0x30/0x80
[ 63.779235][ T665] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 63.785114][ T665] RIP: 0033:0x7f680db8d5fc
[ 63.789512][ T665] 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
[ 63.809225][ T665] RSP: 002b:00007f680eac7030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 63.817623][ T665] RAX: ffffffffffffffda RBX: 00007f680ddc6090 RCX: 00007f680db8d5fc
[ 63.825676][ T665] RDX: 000000000000000f RSI: 00007f680eac70a0 RDI: 0000000000000006
[ 63.833750][ T665] RBP: 00007f680eac7090 R08: 0000000000000000 R09: 0000000000000000
[ 63.841746][ T665] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 63.849789][ T665] R13: 00007f680ddc6128 R14: 00007f680ddc6090 R15: 00007ffe5edf6868
[ 63.857749][ T665]
[ 63.864567][ T669] FAULT_INJECTION: forcing a failure.
[ 63.864567][ T669] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 63.879854][ T666] CPU: 1 PID: 666 Comm: syz.5.69 Not tainted syzkaller #0
[ 63.887008][ T666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 63.897093][ T666] Call Trace:
[ 63.900365][ T666]
[ 63.903294][ T666] __dump_stack+0x21/0x24
[ 63.907643][ T666] dump_stack_lvl+0xee/0x150
[ 63.912282][ T666] ? __cfi_dump_stack_lvl+0x8/0x8
[ 63.917299][ T666] dump_stack+0x15/0x24
[ 63.921450][ T666] should_fail_ex+0x3d4/0x520
[ 63.926136][ T666] should_fail+0xb/0x10
[ 63.930370][ T666] should_fail_usercopy+0x1a/0x20
[ 63.935505][ T666] _copy_to_user+0x1e/0x90
[ 63.939946][ T666] simple_read_from_buffer+0xe9/0x160
[ 63.945320][ T666] proc_fail_nth_read+0x19a/0x210
[ 63.950334][ T666] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 63.955880][ T666] ? security_file_permission+0x94/0xb0
[ 63.961416][ T666] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 63.966945][ T666] vfs_read+0x26e/0x8c0
[ 63.971258][ T666] ? __cfi_vfs_read+0x10/0x10
[ 63.975933][ T666] ? __kasan_check_write+0x14/0x20
[ 63.981079][ T666] ? mutex_lock+0x8d/0x1a0
[ 63.985642][ T666] ? __cfi_mutex_lock+0x10/0x10
[ 63.990517][ T666] ? __fdget_pos+0x2cd/0x380
[ 63.995244][ T666] ? ksys_read+0x71/0x240
[ 63.999664][ T666] ksys_read+0x140/0x240
[ 64.004009][ T666] ? __cfi_ksys_read+0x10/0x10
[ 64.008764][ T666] ? debug_smp_processor_id+0x17/0x20
[ 64.014227][ T666] __x64_sys_read+0x7b/0x90
[ 64.018886][ T666] x64_sys_call+0x2f/0x9a0
[ 64.023320][ T666] do_syscall_64+0x4c/0xa0
[ 64.027813][ T666] ? clear_bhb_loop+0x30/0x80
[ 64.032660][ T666] ? clear_bhb_loop+0x30/0x80
[ 64.037492][ T666] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 64.043385][ T666] RIP: 0033:0x7efd2b18d5fc
[ 64.047882][ T666] 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
[ 64.067574][ T666] RSP: 002b:00007efd2bfac030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 64.076088][ T666] RAX: ffffffffffffffda RBX: 00007efd2b3c6090 RCX: 00007efd2b18d5fc
[ 64.084149][ T666] RDX: 000000000000000f RSI: 00007efd2bfac0a0 RDI: 0000000000000006
[ 64.092312][ T666] RBP: 00007efd2bfac090 R08: 0000000000000000 R09: 0000000000000000
[ 64.100730][ T666] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 64.108708][ T666] R13: 00007efd2b3c6128 R14: 00007efd2b3c6090 R15: 00007ffda9db5758
[ 64.116768][ T666]
[ 64.120399][ T669] CPU: 0 PID: 669 Comm: syz.0.70 Not tainted syzkaller #0
[ 64.127537][ T669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 64.137595][ T669] Call Trace:
[ 64.140870][ T669]
[ 64.143795][ T669] __dump_stack+0x21/0x24
[ 64.148130][ T669] dump_stack_lvl+0xee/0x150
[ 64.152723][ T669] ? __cfi_dump_stack_lvl+0x8/0x8
[ 64.157741][ T669] dump_stack+0x15/0x24
[ 64.161965][ T669] should_fail_ex+0x3d4/0x520
[ 64.166651][ T669] should_fail+0xb/0x10
[ 64.170808][ T669] should_fail_usercopy+0x1a/0x20
[ 64.175870][ T669] _copy_to_user+0x1e/0x90
[ 64.180291][ T669] simple_read_from_buffer+0xe9/0x160
[ 64.185716][ T669] proc_fail_nth_read+0x19a/0x210
[ 64.190917][ T669] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 64.196476][ T669] ? security_file_permission+0x94/0xb0
[ 64.202012][ T669] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 64.207633][ T669] vfs_read+0x26e/0x8c0
[ 64.211793][ T669] ? __cfi_vfs_read+0x10/0x10
[ 64.216456][ T669] ? __kasan_check_write+0x14/0x20
[ 64.221557][ T669] ? mutex_lock+0x8d/0x1a0
[ 64.225955][ T669] ? __cfi_mutex_lock+0x10/0x10
[ 64.230966][ T669] ? __fdget_pos+0x2cd/0x380
[ 64.235635][ T669] ? ksys_read+0x71/0x240
[ 64.239981][ T669] ksys_read+0x140/0x240
[ 64.244324][ T669] ? __cfi_ksys_read+0x10/0x10
[ 64.249076][ T669] ? debug_smp_processor_id+0x17/0x20
[ 64.254479][ T669] __x64_sys_read+0x7b/0x90
[ 64.258978][ T669] x64_sys_call+0x2f/0x9a0
[ 64.263406][ T669] do_syscall_64+0x4c/0xa0
[ 64.267852][ T669] ? clear_bhb_loop+0x30/0x80
[ 64.272554][ T669] ? clear_bhb_loop+0x30/0x80
[ 64.277271][ T669] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 64.283161][ T669] RIP: 0033:0x7f98c6f8d5fc
[ 64.287671][ T669] 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
[ 64.307553][ T669] RSP: 002b:00007f98c7db4030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 64.316139][ T669] RAX: ffffffffffffffda RBX: 00007f98c71c6090 RCX: 00007f98c6f8d5fc
[ 64.324131][ T669] RDX: 000000000000000f RSI: 00007f98c7db40a0 RDI: 0000000000000006
[ 64.332195][ T669] RBP: 00007f98c7db4090 R08: 0000000000000000 R09: 0000000000000000
[ 64.340171][ T669] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
2025/09/15 10:34:32 executed programs: 65
[ 64.348311][ T669] R13: 00007f98c71c6128 R14: 00007f98c71c6090 R15: 00007ffc18aa3a58
[ 64.356359][ T669]
[ 64.360509][ T672] FAULT_INJECTION: forcing a failure.
[ 64.360509][ T672] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 64.380013][ T668] FAULT_INJECTION: forcing a failure.
[ 64.380013][ T668] name failslab, interval 1, probability 0, space 0, times 0
[ 64.381825][ T672] CPU: 1 PID: 672 Comm: syz.4.72 Not tainted syzkaller #0
[ 64.399831][ T672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 64.409886][ T672] Call Trace:
[ 64.413218][ T672]
[ 64.416193][ T672] __dump_stack+0x21/0x24
[ 64.420686][ T672] dump_stack_lvl+0xee/0x150
[ 64.425299][ T672] ? __cfi_dump_stack_lvl+0x8/0x8
[ 64.430416][ T672] dump_stack+0x15/0x24
[ 64.434580][ T672] should_fail_ex+0x3d4/0x520
[ 64.439263][ T672] should_fail+0xb/0x10
[ 64.443414][ T672] should_fail_usercopy+0x1a/0x20
[ 64.448434][ T672] _copy_to_user+0x1e/0x90
[ 64.452858][ T672] simple_read_from_buffer+0xe9/0x160
[ 64.458234][ T672] proc_fail_nth_read+0x19a/0x210
[ 64.463339][ T672] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 64.468872][ T672] ? security_file_permission+0x94/0xb0
[ 64.474438][ T672] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 64.479991][ T672] vfs_read+0x26e/0x8c0
[ 64.484161][ T672] ? __cfi_vfs_read+0x10/0x10
[ 64.488867][ T672] ? __kasan_check_write+0x14/0x20
[ 64.493997][ T672] ? mutex_lock+0x8d/0x1a0
[ 64.498420][ T672] ? __cfi_mutex_lock+0x10/0x10
[ 64.503263][ T672] ? __fdget_pos+0x2cd/0x380
[ 64.507846][ T672] ? ksys_read+0x71/0x240
[ 64.512210][ T672] ksys_read+0x140/0x240
[ 64.516459][ T672] ? __cfi_ksys_read+0x10/0x10
[ 64.521233][ T672] ? debug_smp_processor_id+0x17/0x20
[ 64.526645][ T672] __x64_sys_read+0x7b/0x90
[ 64.531167][ T672] x64_sys_call+0x2f/0x9a0
[ 64.535616][ T672] do_syscall_64+0x4c/0xa0
[ 64.540035][ T672] ? clear_bhb_loop+0x30/0x80
[ 64.544806][ T672] ? clear_bhb_loop+0x30/0x80
[ 64.549488][ T672] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 64.555391][ T672] RIP: 0033:0x7ff685d8d5fc
[ 64.559803][ T672] 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
[ 64.579633][ T672] RSP: 002b:00007ff686c35030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 64.588312][ T672] RAX: ffffffffffffffda RBX: 00007ff685fc6090 RCX: 00007ff685d8d5fc
[ 64.596361][ T672] RDX: 000000000000000f RSI: 00007ff686c350a0 RDI: 0000000000000004
[ 64.604422][ T672] RBP: 00007ff686c35090 R08: 0000000000000000 R09: 0000000000000000
[ 64.612403][ T672] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 64.620472][ T672] R13: 00007ff685fc6128 R14: 00007ff685fc6090 R15: 00007ffd03a8dd98
[ 64.628460][ T672]
[ 64.631487][ T668] CPU: 0 PID: 668 Comm: syz.2.71 Not tainted syzkaller #0
[ 64.638615][ T668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 64.648659][ T668] Call Trace:
[ 64.651931][ T668]
[ 64.654879][ T668] __dump_stack+0x21/0x24
[ 64.659243][ T668] dump_stack_lvl+0xee/0x150
[ 64.663866][ T668] ? __cfi_dump_stack_lvl+0x8/0x8
[ 64.668999][ T668] dump_stack+0x15/0x24
[ 64.673171][ T668] should_fail_ex+0x3d4/0x520
[ 64.677863][ T668] __should_failslab+0xac/0xf0
[ 64.682635][ T668] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 64.688700][ T668] should_failslab+0x9/0x20
[ 64.693299][ T668] __kmem_cache_alloc_node+0x3d/0x2c0
[ 64.698656][ T668] ? __cfi_mutex_lock+0x10/0x10
[ 64.703488][ T668] ? delete_node+0x3e6/0xa60
[ 64.708069][ T668] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 64.714130][ T668] __kmalloc+0xa1/0x1e0
[ 64.718316][ T668] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 64.724636][ T668] tracepoint_probe_unregister+0x1e6/0x8b0
[ 64.730716][ T668] bpf_probe_unregister+0x61/0x70
[ 64.735747][ T668] bpf_raw_tp_link_release+0x63/0x90
[ 64.741205][ T668] bpf_link_free+0x13a/0x390
[ 64.745806][ T668] ? bpf_link_put_deferred+0x20/0x20
[ 64.751173][ T668] bpf_link_release+0x15f/0x170
[ 64.756020][ T668] ? __cfi_bpf_link_release+0x10/0x10
[ 64.761390][ T668] __fput+0x1fc/0x8f0
[ 64.765370][ T668] ____fput+0x15/0x20
[ 64.769345][ T668] task_work_run+0x1db/0x240
[ 64.773957][ T668] ? __cfi_task_work_run+0x10/0x10
[ 64.779067][ T668] ? filp_close+0x111/0x160
[ 64.783682][ T668] exit_to_user_mode_loop+0x9b/0xb0
[ 64.788872][ T668] exit_to_user_mode_prepare+0x5a/0xa0
[ 64.794321][ T668] syscall_exit_to_user_mode+0x1a/0x30
[ 64.799784][ T668] do_syscall_64+0x58/0xa0
[ 64.804198][ T668] ? clear_bhb_loop+0x30/0x80
[ 64.808903][ T668] ? clear_bhb_loop+0x30/0x80
[ 64.813672][ T668] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 64.819649][ T668] RIP: 0033:0x7f52df58ebe9
[ 64.824071][ T668] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 64.844378][ T668] RSP: 002b:00007f52e0429038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 64.852781][ T668] RAX: 0000000000000000 RBX: 00007f52df7c5fa0 RCX: 00007f52df58ebe9
[ 64.860751][ T668] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 64.868801][ T668] RBP: 00007f52e0429090 R08: 0000000000000000 R09: 0000000000000000
[ 64.876767][ T668] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 64.884739][ T668] R13: 00007f52df7c6038 R14: 00007f52df7c5fa0 R15: 00007fff6be1ce28
[ 64.892723][ T668]
[ 64.898183][ T674] FAULT_INJECTION: forcing a failure.
[ 64.898183][ T674] name failslab, interval 1, probability 0, space 0, times 0
[ 64.910930][ T674] CPU: 0 PID: 674 Comm: syz.5.73 Not tainted syzkaller #0
[ 64.918085][ T674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 64.928154][ T674] Call Trace:
[ 64.931437][ T674]
[ 64.934355][ T674] __dump_stack+0x21/0x24
[ 64.938792][ T674] dump_stack_lvl+0xee/0x150
[ 64.943379][ T674] ? __cfi_dump_stack_lvl+0x8/0x8
[ 64.948388][ T674] dump_stack+0x15/0x24
[ 64.952570][ T674] should_fail_ex+0x3d4/0x520
[ 64.957224][ T674] __should_failslab+0xac/0xf0
[ 64.961968][ T674] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 64.967931][ T674] should_failslab+0x9/0x20
[ 64.972526][ T674] __kmem_cache_alloc_node+0x3d/0x2c0
[ 64.977889][ T674] ? __cfi_mutex_lock+0x10/0x10
[ 64.982740][ T674] ? delete_node+0x3dc/0xa60
[ 64.987327][ T674] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 64.993355][ T674] __kmalloc+0xa1/0x1e0
[ 64.997585][ T674] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 65.003908][ T674] tracepoint_probe_unregister+0x1e6/0x8b0
[ 65.009799][ T674] bpf_probe_unregister+0x61/0x70
[ 65.014991][ T674] bpf_raw_tp_link_release+0x63/0x90
[ 65.020270][ T674] bpf_link_free+0x13a/0x390
[ 65.024872][ T674] ? bpf_link_put_deferred+0x20/0x20
[ 65.030172][ T674] bpf_link_release+0x15f/0x170
[ 65.035054][ T674] ? __cfi_bpf_link_release+0x10/0x10
[ 65.040452][ T674] __fput+0x1fc/0x8f0
[ 65.044445][ T674] ____fput+0x15/0x20
[ 65.048465][ T674] task_work_run+0x1db/0x240
[ 65.053062][ T674] ? __cfi_task_work_run+0x10/0x10
[ 65.058226][ T674] ? filp_close+0x111/0x160
[ 65.062728][ T674] exit_to_user_mode_loop+0x9b/0xb0
[ 65.067918][ T674] exit_to_user_mode_prepare+0x5a/0xa0
[ 65.073446][ T674] syscall_exit_to_user_mode+0x1a/0x30
[ 65.078891][ T674] do_syscall_64+0x58/0xa0
[ 65.083394][ T674] ? clear_bhb_loop+0x30/0x80
[ 65.088152][ T674] ? clear_bhb_loop+0x30/0x80
[ 65.092930][ T674] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 65.098843][ T674] RIP: 0033:0x7efd2b18ebe9
[ 65.103351][ T674] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 65.122961][ T674] RSP: 002b:00007efd2bfcd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 65.131369][ T674] RAX: 0000000000000000 RBX: 00007efd2b3c5fa0 RCX: 00007efd2b18ebe9
[ 65.139335][ T674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 65.147381][ T674] RBP: 00007efd2bfcd090 R08: 0000000000000000 R09: 0000000000000000
[ 65.155571][ T674] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 65.163715][ T674] R13: 00007efd2b3c6038 R14: 00007efd2b3c5fa0 R15: 00007ffda9db5758
[ 65.171826][ T674]
[ 65.179533][ T681] FAULT_INJECTION: forcing a failure.
[ 65.179533][ T681] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 65.192942][ T681] CPU: 0 PID: 681 Comm: syz.0.74 Not tainted syzkaller #0
[ 65.200110][ T681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 65.210165][ T681] Call Trace:
[ 65.213435][ T681]
[ 65.216348][ T681] __dump_stack+0x21/0x24
[ 65.220665][ T681] dump_stack_lvl+0xee/0x150
[ 65.225241][ T681] ? __cfi_dump_stack_lvl+0x8/0x8
[ 65.230260][ T681] dump_stack+0x15/0x24
[ 65.234409][ T681] should_fail_ex+0x3d4/0x520
[ 65.239070][ T681] should_fail+0xb/0x10
[ 65.243216][ T681] should_fail_usercopy+0x1a/0x20
[ 65.248323][ T681] _copy_to_user+0x1e/0x90
[ 65.252725][ T681] simple_read_from_buffer+0xe9/0x160
[ 65.258084][ T681] proc_fail_nth_read+0x19a/0x210
[ 65.263103][ T681] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 65.268639][ T681] ? security_file_permission+0x94/0xb0
[ 65.274178][ T681] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 65.279711][ T681] vfs_read+0x26e/0x8c0
[ 65.283852][ T681] ? __cfi_vfs_read+0x10/0x10
[ 65.288525][ T681] ? __kasan_check_write+0x14/0x20
[ 65.293632][ T681] ? mutex_lock+0x8d/0x1a0
[ 65.298121][ T681] ? __cfi_mutex_lock+0x10/0x10
[ 65.302955][ T681] ? __fdget_pos+0x2cd/0x380
[ 65.307538][ T681] ? ksys_read+0x71/0x240
[ 65.311886][ T681] ksys_read+0x140/0x240
[ 65.316141][ T681] ? __cfi_ksys_read+0x10/0x10
[ 65.320906][ T681] ? debug_smp_processor_id+0x17/0x20
[ 65.326282][ T681] __x64_sys_read+0x7b/0x90
[ 65.330806][ T681] x64_sys_call+0x2f/0x9a0
[ 65.335329][ T681] do_syscall_64+0x4c/0xa0
[ 65.339737][ T681] ? clear_bhb_loop+0x30/0x80
[ 65.344429][ T681] ? clear_bhb_loop+0x30/0x80
[ 65.349204][ T681] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 65.355100][ T681] RIP: 0033:0x7f98c6f8d5fc
[ 65.359523][ T681] 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
[ 65.379215][ T681] RSP: 002b:00007f98c7db4030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 65.387626][ T681] RAX: ffffffffffffffda RBX: 00007f98c71c6090 RCX: 00007f98c6f8d5fc
[ 65.395581][ T681] RDX: 000000000000000f RSI: 00007f98c7db40a0 RDI: 0000000000000006
[ 65.403654][ T681] RBP: 00007f98c7db4090 R08: 0000000000000000 R09: 0000000000000000
[ 65.411715][ T681] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 65.419768][ T681] R13: 00007f98c71c6128 R14: 00007f98c71c6090 R15: 00007ffc18aa3a58
[ 65.427741][ T681]
[ 65.437726][ T686] FAULT_INJECTION: forcing a failure.
[ 65.437726][ T686] name failslab, interval 1, probability 0, space 0, times 0
[ 65.450397][ T686] CPU: 0 PID: 686 Comm: syz.5.78 Not tainted syzkaller #0
[ 65.457621][ T686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 65.467857][ T686] Call Trace:
[ 65.471229][ T686]
[ 65.473763][ T689] FAULT_INJECTION: forcing a failure.
[ 65.473763][ T689] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 65.474251][ T686] __dump_stack+0x21/0x24
[ 65.491776][ T686] dump_stack_lvl+0xee/0x150
[ 65.496371][ T686] ? __cfi_dump_stack_lvl+0x8/0x8
[ 65.501390][ T686] dump_stack+0x15/0x24
[ 65.505638][ T686] should_fail_ex+0x3d4/0x520
[ 65.510328][ T686] __should_failslab+0xac/0xf0
[ 65.515123][ T686] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 65.521120][ T686] should_failslab+0x9/0x20
[ 65.525654][ T686] __kmem_cache_alloc_node+0x3d/0x2c0
[ 65.531134][ T686] ? __cfi_mutex_lock+0x10/0x10
[ 65.536075][ T686] ? delete_node+0x3dc/0xa60
[ 65.540663][ T686] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 65.546647][ T686] __kmalloc+0xa1/0x1e0
[ 65.550907][ T686] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 65.556984][ T686] tracepoint_probe_unregister+0x1e6/0x8b0
[ 65.562797][ T686] bpf_probe_unregister+0x61/0x70
[ 65.567822][ T686] bpf_raw_tp_link_release+0x63/0x90
[ 65.573100][ T686] bpf_link_free+0x13a/0x390
[ 65.577780][ T686] ? bpf_link_put_deferred+0x20/0x20
[ 65.583068][ T686] bpf_link_release+0x15f/0x170
[ 65.587918][ T686] ? __cfi_bpf_link_release+0x10/0x10
[ 65.593277][ T686] __fput+0x1fc/0x8f0
[ 65.597253][ T686] ____fput+0x15/0x20
[ 65.601229][ T686] task_work_run+0x1db/0x240
[ 65.605936][ T686] ? __cfi_task_work_run+0x10/0x10
[ 65.611077][ T686] ? filp_close+0x111/0x160
[ 65.615598][ T686] exit_to_user_mode_loop+0x9b/0xb0
[ 65.620881][ T686] exit_to_user_mode_prepare+0x5a/0xa0
[ 65.626364][ T686] syscall_exit_to_user_mode+0x1a/0x30
[ 65.631920][ T686] do_syscall_64+0x58/0xa0
[ 65.636339][ T686] ? clear_bhb_loop+0x30/0x80
[ 65.641127][ T686] ? clear_bhb_loop+0x30/0x80
[ 65.645819][ T686] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 65.651717][ T686] RIP: 0033:0x7efd2b18ebe9
[ 65.656153][ T686] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 65.675768][ T686] RSP: 002b:00007efd2bfcd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 65.684275][ T686] RAX: 0000000000000000 RBX: 00007efd2b3c5fa0 RCX: 00007efd2b18ebe9
[ 65.692248][ T686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 65.700210][ T686] RBP: 00007efd2bfcd090 R08: 0000000000000000 R09: 0000000000000000
[ 65.708196][ T686] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 65.716251][ T686] R13: 00007efd2b3c6038 R14: 00007efd2b3c5fa0 R15: 00007ffda9db5758
[ 65.724235][ T686]
[ 65.727244][ T689] CPU: 1 PID: 689 Comm: syz.2.76 Not tainted syzkaller #0
[ 65.728140][ T678] FAULT_INJECTION: forcing a failure.
[ 65.728140][ T678] name failslab, interval 1, probability 0, space 0, times 0
[ 65.734438][ T689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 65.734450][ T689] Call Trace:
[ 65.734455][ T689]
[ 65.734461][ T689] __dump_stack+0x21/0x24
[ 65.767824][ T689] dump_stack_lvl+0xee/0x150
[ 65.772518][ T689] ? __cfi_dump_stack_lvl+0x8/0x8
[ 65.777534][ T689] dump_stack+0x15/0x24
[ 65.781673][ T689] should_fail_ex+0x3d4/0x520
[ 65.786355][ T689] should_fail+0xb/0x10
[ 65.790499][ T689] should_fail_usercopy+0x1a/0x20
[ 65.795520][ T689] _copy_to_user+0x1e/0x90
[ 65.799926][ T689] simple_read_from_buffer+0xe9/0x160
[ 65.805459][ T689] proc_fail_nth_read+0x19a/0x210
[ 65.810471][ T689] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 65.816049][ T689] ? security_file_permission+0x94/0xb0
[ 65.821595][ T689] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 65.827156][ T689] vfs_read+0x26e/0x8c0
[ 65.831333][ T689] ? __cfi_vfs_read+0x10/0x10
[ 65.836030][ T689] ? __kasan_check_write+0x14/0x20
[ 65.841149][ T689] ? mutex_lock+0x8d/0x1a0
[ 65.845666][ T689] ? __cfi_mutex_lock+0x10/0x10
[ 65.850526][ T689] ? __fdget_pos+0x2cd/0x380
[ 65.855118][ T689] ? ksys_read+0x71/0x240
[ 65.859449][ T689] ksys_read+0x140/0x240
[ 65.863711][ T689] ? __cfi_ksys_read+0x10/0x10
[ 65.868567][ T689] ? debug_smp_processor_id+0x17/0x20
[ 65.873939][ T689] __x64_sys_read+0x7b/0x90
[ 65.878436][ T689] x64_sys_call+0x2f/0x9a0
[ 65.882928][ T689] do_syscall_64+0x4c/0xa0
[ 65.887333][ T689] ? clear_bhb_loop+0x30/0x80
[ 65.892068][ T689] ? clear_bhb_loop+0x30/0x80
[ 65.896732][ T689] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 65.902623][ T689] RIP: 0033:0x7f52df58d5fc
[ 65.907209][ T689] 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
[ 65.926979][ T689] RSP: 002b:00007f52e0408030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 65.935385][ T689] RAX: ffffffffffffffda RBX: 00007f52df7c6090 RCX: 00007f52df58d5fc
[ 65.943355][ T689] RDX: 000000000000000f RSI: 00007f52e04080a0 RDI: 0000000000000006
[ 65.951329][ T689] RBP: 00007f52e0408090 R08: 0000000000000000 R09: 0000000000000000
[ 65.959302][ T689] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 65.967351][ T689] R13: 00007f52df7c6128 R14: 00007f52df7c6090 R15: 00007fff6be1ce28
[ 65.975417][ T689]
[ 65.978434][ T678] CPU: 0 PID: 678 Comm: syz.4.75 Not tainted syzkaller #0
[ 65.985551][ T678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 65.995692][ T678] Call Trace:
[ 65.998959][ T678]
[ 66.001874][ T678] __dump_stack+0x21/0x24
[ 66.006211][ T678] dump_stack_lvl+0xee/0x150
[ 66.010808][ T678] ? __cfi_dump_stack_lvl+0x8/0x8
[ 66.015875][ T678] dump_stack+0x15/0x24
[ 66.020029][ T678] should_fail_ex+0x3d4/0x520
[ 66.024693][ T678] __should_failslab+0xac/0xf0
[ 66.029443][ T678] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 66.035504][ T678] should_failslab+0x9/0x20
[ 66.040023][ T678] __kmem_cache_alloc_node+0x3d/0x2c0
[ 66.045388][ T678] ? __cfi_mutex_lock+0x10/0x10
[ 66.050482][ T678] ? delete_node+0x3dc/0xa60
[ 66.055052][ T678] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 66.061102][ T678] __kmalloc+0xa1/0x1e0
[ 66.065253][ T678] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 66.071397][ T678] tracepoint_probe_unregister+0x1e6/0x8b0
[ 66.077305][ T678] bpf_probe_unregister+0x61/0x70
[ 66.082404][ T678] bpf_raw_tp_link_release+0x63/0x90
[ 66.087682][ T678] bpf_link_free+0x13a/0x390
[ 66.092301][ T678] ? bpf_link_put_deferred+0x20/0x20
[ 66.097595][ T678] bpf_link_release+0x15f/0x170
[ 66.102521][ T678] ? __cfi_bpf_link_release+0x10/0x10
[ 66.107898][ T678] __fput+0x1fc/0x8f0
[ 66.111899][ T678] ____fput+0x15/0x20
[ 66.116007][ T678] task_work_run+0x1db/0x240
[ 66.120584][ T678] ? __cfi_task_work_run+0x10/0x10
[ 66.125679][ T678] ? filp_close+0x111/0x160
[ 66.130168][ T678] exit_to_user_mode_loop+0x9b/0xb0
[ 66.135349][ T678] exit_to_user_mode_prepare+0x5a/0xa0
[ 66.140789][ T678] syscall_exit_to_user_mode+0x1a/0x30
[ 66.146319][ T678] do_syscall_64+0x58/0xa0
[ 66.150720][ T678] ? clear_bhb_loop+0x30/0x80
[ 66.155390][ T678] ? clear_bhb_loop+0x30/0x80
[ 66.160054][ T678] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 66.165959][ T678] RIP: 0033:0x7ff685d8ebe9
[ 66.170391][ T678] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 66.190263][ T678] RSP: 002b:00007ff686c56038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 66.198673][ T678] RAX: 0000000000000000 RBX: 00007ff685fc5fa0 RCX: 00007ff685d8ebe9
[ 66.206648][ T678] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 66.214620][ T678] RBP: 00007ff686c56090 R08: 0000000000000000 R09: 0000000000000000
[ 66.222609][ T678] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 66.230560][ T678] R13: 00007ff685fc6038 R14: 00007ff685fc5fa0 R15: 00007ffd03a8dd98
[ 66.238518][ T678]
[ 66.251037][ T693] FAULT_INJECTION: forcing a failure.
[ 66.251037][ T693] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 66.256756][ T694] FAULT_INJECTION: forcing a failure.
[ 66.256756][ T694] name failslab, interval 1, probability 0, space 0, times 0
[ 66.270664][ T693] CPU: 0 PID: 693 Comm: syz.0.79 Not tainted syzkaller #0
[ 66.284075][ T693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 66.294160][ T693] Call Trace:
[ 66.297553][ T693]
[ 66.300474][ T693] __dump_stack+0x21/0x24
[ 66.304801][ T693] dump_stack_lvl+0xee/0x150
[ 66.309383][ T693] ? __cfi_dump_stack_lvl+0x8/0x8
[ 66.314487][ T693] dump_stack+0x15/0x24
[ 66.318677][ T693] should_fail_ex+0x3d4/0x520
[ 66.323371][ T693] should_fail+0xb/0x10
[ 66.327568][ T693] should_fail_usercopy+0x1a/0x20
[ 66.332621][ T693] _copy_to_user+0x1e/0x90
[ 66.337053][ T693] simple_read_from_buffer+0xe9/0x160
[ 66.342428][ T693] proc_fail_nth_read+0x19a/0x210
[ 66.347470][ T693] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 66.353032][ T693] ? security_file_permission+0x94/0xb0
[ 66.358590][ T693] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 66.364158][ T693] vfs_read+0x26e/0x8c0
[ 66.368351][ T693] ? __cfi_vfs_read+0x10/0x10
[ 66.373028][ T693] ? __kasan_check_write+0x14/0x20
[ 66.378144][ T693] ? mutex_lock+0x8d/0x1a0
[ 66.382576][ T693] ? __cfi_mutex_lock+0x10/0x10
[ 66.387431][ T693] ? __fdget_pos+0x2cd/0x380
[ 66.392021][ T693] ? ksys_read+0x71/0x240
[ 66.396371][ T693] ksys_read+0x140/0x240
[ 66.400712][ T693] ? __cfi_ksys_read+0x10/0x10
[ 66.405685][ T693] ? debug_smp_processor_id+0x17/0x20
[ 66.411087][ T693] __x64_sys_read+0x7b/0x90
[ 66.415613][ T693] x64_sys_call+0x2f/0x9a0
[ 66.420048][ T693] do_syscall_64+0x4c/0xa0
[ 66.424460][ T693] ? clear_bhb_loop+0x30/0x80
[ 66.429138][ T693] ? clear_bhb_loop+0x30/0x80
[ 66.433833][ T693] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 66.439726][ T693] RIP: 0033:0x7f98c6f8d5fc
[ 66.444137][ T693] 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
[ 66.463737][ T693] RSP: 002b:00007f98c7db4030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 66.472162][ T693] RAX: ffffffffffffffda RBX: 00007f98c71c6090 RCX: 00007f98c6f8d5fc
[ 66.480317][ T693] RDX: 000000000000000f RSI: 00007f98c7db40a0 RDI: 0000000000000006
[ 66.488291][ T693] RBP: 00007f98c7db4090 R08: 0000000000000000 R09: 0000000000000000
[ 66.496257][ T693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 66.504220][ T693] R13: 00007f98c71c6128 R14: 00007f98c71c6090 R15: 00007ffc18aa3a58
[ 66.512194][ T693]
[ 66.515462][ T694] CPU: 1 PID: 694 Comm: syz.4.81 Not tainted syzkaller #0
[ 66.522660][ T694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 66.532703][ T694] Call Trace:
[ 66.535977][ T694]
[ 66.539002][ T694] __dump_stack+0x21/0x24
[ 66.543415][ T694] dump_stack_lvl+0xee/0x150
[ 66.547986][ T694] ? __cfi_dump_stack_lvl+0x8/0x8
[ 66.552993][ T694] dump_stack+0x15/0x24
[ 66.557130][ T694] should_fail_ex+0x3d4/0x520
[ 66.561801][ T694] __should_failslab+0xac/0xf0
[ 66.566557][ T694] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 66.572613][ T694] should_failslab+0x9/0x20
[ 66.577467][ T694] __kmem_cache_alloc_node+0x3d/0x2c0
[ 66.582853][ T694] ? __cfi_mutex_lock+0x10/0x10
[ 66.587686][ T694] ? delete_node+0x3e6/0xa60
[ 66.592351][ T694] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 66.598309][ T694] __kmalloc+0xa1/0x1e0
[ 66.602456][ T694] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 66.608525][ T694] tracepoint_probe_unregister+0x1e6/0x8b0
[ 66.614339][ T694] bpf_probe_unregister+0x61/0x70
[ 66.619449][ T694] bpf_raw_tp_link_release+0x63/0x90
[ 66.624730][ T694] bpf_link_free+0x13a/0x390
[ 66.629303][ T694] ? bpf_link_put_deferred+0x20/0x20
[ 66.634588][ T694] bpf_link_release+0x15f/0x170
[ 66.639416][ T694] ? __cfi_bpf_link_release+0x10/0x10
[ 66.644764][ T694] __fput+0x1fc/0x8f0
[ 66.648725][ T694] ____fput+0x15/0x20
[ 66.652682][ T694] task_work_run+0x1db/0x240
[ 66.657270][ T694] ? __cfi_task_work_run+0x10/0x10
[ 66.662370][ T694] ? filp_close+0x111/0x160
[ 66.667039][ T694] exit_to_user_mode_loop+0x9b/0xb0
[ 66.672235][ T694] exit_to_user_mode_prepare+0x5a/0xa0
[ 66.677682][ T694] syscall_exit_to_user_mode+0x1a/0x30
[ 66.683227][ T694] do_syscall_64+0x58/0xa0
[ 66.687658][ T694] ? clear_bhb_loop+0x30/0x80
[ 66.692512][ T694] ? clear_bhb_loop+0x30/0x80
[ 66.697193][ T694] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 66.703137][ T694] RIP: 0033:0x7ff685d8ebe9
[ 66.707545][ T694] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 66.727829][ T694] RSP: 002b:00007ff686c56038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 66.736368][ T694] RAX: 0000000000000000 RBX: 00007ff685fc5fa0 RCX: 00007ff685d8ebe9
[ 66.744346][ T694] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 66.752400][ T694] RBP: 00007ff686c56090 R08: 0000000000000000 R09: 0000000000000000
[ 66.760464][ T694] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 66.768425][ T694] R13: 00007ff685fc6038 R14: 00007ff685fc5fa0 R15: 00007ffd03a8dd98
[ 66.776388][ T694]
[ 66.782407][ T683] FAULT_INJECTION: forcing a failure.
[ 66.782407][ T683] name failslab, interval 1, probability 0, space 0, times 0
[ 66.798013][ T683] CPU: 1 PID: 683 Comm: syz.1.77 Not tainted syzkaller #0
[ 66.805247][ T683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 66.815389][ T683] Call Trace:
[ 66.818670][ T683]
[ 66.821622][ T683] __dump_stack+0x21/0x24
[ 66.825954][ T683] dump_stack_lvl+0xee/0x150
[ 66.830835][ T683] ? __cfi_dump_stack_lvl+0x8/0x8
[ 66.835952][ T683] dump_stack+0x15/0x24
[ 66.840201][ T683] should_fail_ex+0x3d4/0x520
[ 66.844894][ T683] __should_failslab+0xac/0xf0
[ 66.849653][ T683] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 66.855630][ T683] should_failslab+0x9/0x20
[ 66.860156][ T683] __kmem_cache_alloc_node+0x3d/0x2c0
[ 66.865686][ T683] ? __cfi_mutex_lock+0x10/0x10
[ 66.870623][ T683] ? delete_node+0x3dc/0xa60
[ 66.875211][ T683] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 66.881181][ T683] __kmalloc+0xa1/0x1e0
[ 66.885339][ T683] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 66.891414][ T683] tracepoint_probe_unregister+0x1e6/0x8b0
[ 66.897211][ T683] bpf_probe_unregister+0x61/0x70
[ 66.902229][ T683] bpf_raw_tp_link_release+0x63/0x90
[ 66.907613][ T683] bpf_link_free+0x13a/0x390
[ 66.912210][ T683] ? bpf_link_put_deferred+0x20/0x20
[ 66.917512][ T683] bpf_link_release+0x15f/0x170
[ 66.922375][ T683] ? __cfi_bpf_link_release+0x10/0x10
[ 66.927764][ T683] __fput+0x1fc/0x8f0
[ 66.931738][ T683] ____fput+0x15/0x20
[ 66.935707][ T683] task_work_run+0x1db/0x240
[ 66.940277][ T683] ? __cfi_task_work_run+0x10/0x10
[ 66.945374][ T683] ? filp_close+0x111/0x160
[ 66.949892][ T683] exit_to_user_mode_loop+0x9b/0xb0
[ 66.955073][ T683] exit_to_user_mode_prepare+0x5a/0xa0
[ 66.960526][ T683] syscall_exit_to_user_mode+0x1a/0x30
[ 66.965985][ T683] do_syscall_64+0x58/0xa0
[ 66.970473][ T683] ? clear_bhb_loop+0x30/0x80
[ 66.975132][ T683] ? clear_bhb_loop+0x30/0x80
[ 66.979897][ T683] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 66.985805][ T683] RIP: 0033:0x7f680db8ebe9
[ 66.990226][ T683] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 67.009915][ T683] RSP: 002b:00007f680eae8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 67.018313][ T683] RAX: 0000000000000000 RBX: 00007f680ddc5fa0 RCX: 00007f680db8ebe9
[ 67.026284][ T683] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 67.034432][ T683] RBP: 00007f680eae8090 R08: 0000000000000000 R09: 0000000000000000
[ 67.042410][ T683] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 67.050366][ T683] R13: 00007f680ddc6038 R14: 00007f680ddc5fa0 R15: 00007ffe5edf6868
[ 67.058330][ T683]
[ 67.062836][ T699] FAULT_INJECTION: forcing a failure.
[ 67.062836][ T699] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 67.078099][ T696] FAULT_INJECTION: forcing a failure.
[ 67.078099][ T696] name failslab, interval 1, probability 0, space 0, times 0
[ 67.086535][ T699] CPU: 0 PID: 699 Comm: syz.5.80 Not tainted syzkaller #0
[ 67.097905][ T699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 67.108043][ T699] Call Trace:
[ 67.111331][ T699]
[ 67.114273][ T699] __dump_stack+0x21/0x24
[ 67.118604][ T699] dump_stack_lvl+0xee/0x150
[ 67.123204][ T699] ? __cfi_dump_stack_lvl+0x8/0x8
[ 67.128247][ T699] dump_stack+0x15/0x24
[ 67.132417][ T699] should_fail_ex+0x3d4/0x520
[ 67.137123][ T699] should_fail+0xb/0x10
[ 67.141300][ T699] should_fail_usercopy+0x1a/0x20
[ 67.146338][ T699] _copy_to_user+0x1e/0x90
[ 67.150745][ T699] simple_read_from_buffer+0xe9/0x160
[ 67.156111][ T699] proc_fail_nth_read+0x19a/0x210
[ 67.161229][ T699] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 67.166917][ T699] ? security_file_permission+0x94/0xb0
[ 67.172651][ T699] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 67.178281][ T699] vfs_read+0x26e/0x8c0
[ 67.182573][ T699] ? __cfi_vfs_read+0x10/0x10
[ 67.187360][ T699] ? __kasan_check_write+0x14/0x20
[ 67.192498][ T699] ? mutex_lock+0x8d/0x1a0
[ 67.196922][ T699] ? __cfi_mutex_lock+0x10/0x10
[ 67.201782][ T699] ? __fdget_pos+0x2cd/0x380
[ 67.206371][ T699] ? ksys_read+0x71/0x240
[ 67.210692][ T699] ksys_read+0x140/0x240
[ 67.214929][ T699] ? __cfi_ksys_read+0x10/0x10
[ 67.219688][ T699] ? debug_smp_processor_id+0x17/0x20
[ 67.225140][ T699] __x64_sys_read+0x7b/0x90
[ 67.229653][ T699] x64_sys_call+0x2f/0x9a0
[ 67.234086][ T699] do_syscall_64+0x4c/0xa0
[ 67.238589][ T699] ? clear_bhb_loop+0x30/0x80
[ 67.243355][ T699] ? clear_bhb_loop+0x30/0x80
[ 67.248045][ T699] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 67.253933][ T699] RIP: 0033:0x7efd2b18d5fc
[ 67.258337][ T699] 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
[ 67.277937][ T699] RSP: 002b:00007efd2bfac030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 67.286543][ T699] RAX: ffffffffffffffda RBX: 00007efd2b3c6090 RCX: 00007efd2b18d5fc
[ 67.294709][ T699] RDX: 000000000000000f RSI: 00007efd2bfac0a0 RDI: 0000000000000006
[ 67.302999][ T699] RBP: 00007efd2bfac090 R08: 0000000000000000 R09: 0000000000000000
[ 67.311051][ T699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 67.319113][ T699] R13: 00007efd2b3c6128 R14: 00007efd2b3c6090 R15: 00007ffda9db5758
[ 67.327081][ T699]
[ 67.330101][ T696] CPU: 1 PID: 696 Comm: syz.0.82 Not tainted syzkaller #0
[ 67.337406][ T696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 67.347464][ T696] Call Trace:
[ 67.350848][ T696]
[ 67.353763][ T696] __dump_stack+0x21/0x24
[ 67.358644][ T696] dump_stack_lvl+0xee/0x150
[ 67.363230][ T696] ? __cfi_dump_stack_lvl+0x8/0x8
[ 67.368372][ T696] dump_stack+0x15/0x24
[ 67.372537][ T696] should_fail_ex+0x3d4/0x520
[ 67.377235][ T696] __should_failslab+0xac/0xf0
[ 67.382131][ T696] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 67.388316][ T696] should_failslab+0x9/0x20
[ 67.392905][ T696] __kmem_cache_alloc_node+0x3d/0x2c0
[ 67.398276][ T696] ? __cfi_mutex_lock+0x10/0x10
[ 67.403130][ T696] ? delete_node+0x3dc/0xa60
[ 67.407799][ T696] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 67.414025][ T696] __kmalloc+0xa1/0x1e0
[ 67.418176][ T696] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 67.424229][ T696] tracepoint_probe_unregister+0x1e6/0x8b0
[ 67.430030][ T696] bpf_probe_unregister+0x61/0x70
[ 67.435041][ T696] bpf_raw_tp_link_release+0x63/0x90
[ 67.440307][ T696] bpf_link_free+0x13a/0x390
[ 67.444883][ T696] ? bpf_link_put_deferred+0x20/0x20
[ 67.450171][ T696] bpf_link_release+0x15f/0x170
[ 67.455096][ T696] ? __cfi_bpf_link_release+0x10/0x10
[ 67.460445][ T696] __fput+0x1fc/0x8f0
[ 67.464437][ T696] ____fput+0x15/0x20
[ 67.468446][ T696] task_work_run+0x1db/0x240
[ 67.473021][ T696] ? __cfi_task_work_run+0x10/0x10
[ 67.478200][ T696] ? filp_close+0x111/0x160
[ 67.482686][ T696] exit_to_user_mode_loop+0x9b/0xb0
[ 67.487964][ T696] exit_to_user_mode_prepare+0x5a/0xa0
[ 67.493473][ T696] syscall_exit_to_user_mode+0x1a/0x30
[ 67.498935][ T696] do_syscall_64+0x58/0xa0
[ 67.503341][ T696] ? clear_bhb_loop+0x30/0x80
[ 67.508000][ T696] ? clear_bhb_loop+0x30/0x80
[ 67.512657][ T696] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 67.518618][ T696] RIP: 0033:0x7f98c6f8ebe9
[ 67.523015][ T696] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 67.542617][ T696] RSP: 002b:00007f98c7dd5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 67.551083][ T696] RAX: 0000000000000000 RBX: 00007f98c71c5fa0 RCX: 00007f98c6f8ebe9
[ 67.559247][ T696] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 67.567231][ T696] RBP: 00007f98c7dd5090 R08: 0000000000000000 R09: 0000000000000000
[ 67.575204][ T696] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 67.583254][ T696] R13: 00007f98c71c6038 R14: 00007f98c71c5fa0 R15: 00007ffc18aa3a58
[ 67.591244][ T696]
[ 67.594843][ T704] FAULT_INJECTION: forcing a failure.
[ 67.594843][ T704] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 67.596346][ T702] FAULT_INJECTION: forcing a failure.
[ 67.596346][ T702] name failslab, interval 1, probability 0, space 0, times 0
[ 67.621074][ T704] CPU: 0 PID: 704 Comm: syz.4.83 Not tainted syzkaller #0
[ 67.628288][ T704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 67.638343][ T704] Call Trace:
[ 67.641618][ T704]
[ 67.644556][ T704] __dump_stack+0x21/0x24
[ 67.648884][ T704] dump_stack_lvl+0xee/0x150
[ 67.653485][ T704] ? __cfi_dump_stack_lvl+0x8/0x8
[ 67.658538][ T704] dump_stack+0x15/0x24
[ 67.662676][ T704] should_fail_ex+0x3d4/0x520
[ 67.667343][ T704] should_fail+0xb/0x10
[ 67.671494][ T704] should_fail_usercopy+0x1a/0x20
[ 67.676526][ T704] _copy_to_user+0x1e/0x90
[ 67.680947][ T704] simple_read_from_buffer+0xe9/0x160
[ 67.686419][ T704] proc_fail_nth_read+0x19a/0x210
[ 67.691492][ T704] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 67.697043][ T704] ? security_file_permission+0x94/0xb0
[ 67.702581][ T704] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 67.708200][ T704] vfs_read+0x26e/0x8c0
[ 67.712377][ T704] ? __cfi_vfs_read+0x10/0x10
[ 67.717130][ T704] ? __kasan_check_write+0x14/0x20
[ 67.722249][ T704] ? mutex_lock+0x8d/0x1a0
[ 67.726683][ T704] ? __cfi_mutex_lock+0x10/0x10
[ 67.731626][ T704] ? __fdget_pos+0x2cd/0x380
[ 67.736211][ T704] ? ksys_read+0x71/0x240
[ 67.740792][ T704] ksys_read+0x140/0x240
[ 67.745028][ T704] ? __cfi_ksys_read+0x10/0x10
[ 67.749871][ T704] ? debug_smp_processor_id+0x17/0x20
[ 67.755262][ T704] __x64_sys_read+0x7b/0x90
[ 67.759775][ T704] x64_sys_call+0x2f/0x9a0
[ 67.764181][ T704] do_syscall_64+0x4c/0xa0
[ 67.768585][ T704] ? clear_bhb_loop+0x30/0x80
[ 67.773341][ T704] ? clear_bhb_loop+0x30/0x80
[ 67.778005][ T704] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 67.783914][ T704] RIP: 0033:0x7ff685d8d5fc
[ 67.788326][ T704] 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
[ 67.808051][ T704] RSP: 002b:00007ff686c35030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 67.816457][ T704] RAX: ffffffffffffffda RBX: 00007ff685fc6090 RCX: 00007ff685d8d5fc
[ 67.824616][ T704] RDX: 000000000000000f RSI: 00007ff686c350a0 RDI: 0000000000000006
[ 67.832596][ T704] RBP: 00007ff686c35090 R08: 0000000000000000 R09: 0000000000000000
[ 67.840556][ T704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 67.848613][ T704] R13: 00007ff685fc6128 R14: 00007ff685fc6090 R15: 00007ffd03a8dd98
[ 67.856627][ T704]
[ 67.859657][ T702] CPU: 1 PID: 702 Comm: syz.1.85 Not tainted syzkaller #0
[ 67.866786][ T702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 67.876854][ T702] Call Trace:
[ 67.880121][ T702]
[ 67.883070][ T702] __dump_stack+0x21/0x24
[ 67.887397][ T702] dump_stack_lvl+0xee/0x150
[ 67.892023][ T702] ? __cfi_dump_stack_lvl+0x8/0x8
[ 67.897074][ T702] dump_stack+0x15/0x24
[ 67.901215][ T702] should_fail_ex+0x3d4/0x520
[ 67.905973][ T702] __should_failslab+0xac/0xf0
[ 67.910732][ T702] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 67.916716][ T702] should_failslab+0x9/0x20
[ 67.921296][ T702] __kmem_cache_alloc_node+0x3d/0x2c0
[ 67.926793][ T702] ? __cfi_mutex_lock+0x10/0x10
[ 67.931651][ T702] ? delete_node+0x3dc/0xa60
[ 67.936224][ T702] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 67.942194][ T702] __kmalloc+0xa1/0x1e0
[ 67.946350][ T702] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 67.952425][ T702] tracepoint_probe_unregister+0x1e6/0x8b0
[ 67.958225][ T702] bpf_probe_unregister+0x61/0x70
[ 67.963235][ T702] bpf_raw_tp_link_release+0x63/0x90
[ 67.968501][ T702] bpf_link_free+0x13a/0x390
[ 67.973076][ T702] ? bpf_link_put_deferred+0x20/0x20
[ 67.978350][ T702] bpf_link_release+0x15f/0x170
[ 67.983190][ T702] ? __cfi_bpf_link_release+0x10/0x10
[ 67.988545][ T702] __fput+0x1fc/0x8f0
[ 67.992531][ T702] ____fput+0x15/0x20
[ 67.996515][ T702] task_work_run+0x1db/0x240
[ 68.001133][ T702] ? __cfi_task_work_run+0x10/0x10
[ 68.006249][ T702] ? filp_close+0x111/0x160
[ 68.010827][ T702] exit_to_user_mode_loop+0x9b/0xb0
[ 68.016063][ T702] exit_to_user_mode_prepare+0x5a/0xa0
[ 68.021627][ T702] syscall_exit_to_user_mode+0x1a/0x30
[ 68.027112][ T702] do_syscall_64+0x58/0xa0
[ 68.031532][ T702] ? clear_bhb_loop+0x30/0x80
[ 68.036294][ T702] ? clear_bhb_loop+0x30/0x80
[ 68.040973][ T702] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 68.046852][ T702] RIP: 0033:0x7f680db8ebe9
[ 68.051250][ T702] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 68.070849][ T702] RSP: 002b:00007f680eae8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 68.079372][ T702] RAX: 0000000000000000 RBX: 00007f680ddc5fa0 RCX: 00007f680db8ebe9
[ 68.087427][ T702] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 68.095394][ T702] RBP: 00007f680eae8090 R08: 0000000000000000 R09: 0000000000000000
[ 68.103415][ T702] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 68.111371][ T702] R13: 00007f680ddc6038 R14: 00007f680ddc5fa0 R15: 00007ffe5edf6868
[ 68.119424][ T702]
[ 68.123012][ T705] FAULT_INJECTION: forcing a failure.
[ 68.123012][ T705] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 68.143977][ T705] CPU: 1 PID: 705 Comm: syz.2.84 Not tainted syzkaller #0
[ 68.151219][ T705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 68.161279][ T705] Call Trace:
[ 68.164557][ T705]
[ 68.167498][ T705] __dump_stack+0x21/0x24
[ 68.171828][ T705] dump_stack_lvl+0xee/0x150
[ 68.176424][ T705] ? __cfi_dump_stack_lvl+0x8/0x8
[ 68.181452][ T705] dump_stack+0x15/0x24
[ 68.185594][ T705] should_fail_ex+0x3d4/0x520
[ 68.190261][ T705] should_fail+0xb/0x10
[ 68.194430][ T705] should_fail_usercopy+0x1a/0x20
[ 68.199445][ T705] _copy_to_user+0x1e/0x90
[ 68.203930][ T705] simple_read_from_buffer+0xe9/0x160
[ 68.209281][ T705] proc_fail_nth_read+0x19a/0x210
[ 68.214371][ T705] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 68.220044][ T705] ? security_file_permission+0x94/0xb0
[ 68.225598][ T705] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 68.231202][ T705] vfs_read+0x26e/0x8c0
[ 68.235370][ T705] ? __cfi_vfs_read+0x10/0x10
[ 68.240056][ T705] ? __kasan_check_write+0x14/0x20
[ 68.245166][ T705] ? mutex_lock+0x8d/0x1a0
[ 68.249605][ T705] ? __cfi_mutex_lock+0x10/0x10
[ 68.254455][ T705] ? __fdget_pos+0x2cd/0x380
[ 68.259203][ T705] ? ksys_read+0x71/0x240
[ 68.263535][ T705] ksys_read+0x140/0x240
[ 68.267820][ T705] ? __cfi_ksys_read+0x10/0x10
[ 68.272609][ T705] ? debug_smp_processor_id+0x17/0x20
[ 68.277978][ T705] __x64_sys_read+0x7b/0x90
[ 68.282746][ T705] x64_sys_call+0x2f/0x9a0
[ 68.287163][ T705] do_syscall_64+0x4c/0xa0
[ 68.291573][ T705] ? clear_bhb_loop+0x30/0x80
[ 68.296268][ T705] ? clear_bhb_loop+0x30/0x80
[ 68.300972][ T705] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 68.306943][ T705] RIP: 0033:0x7f52df58d5fc
[ 68.311441][ T705] 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
[ 68.331043][ T705] RSP: 002b:00007f52e0408030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 68.339446][ T705] RAX: ffffffffffffffda RBX: 00007f52df7c6090 RCX: 00007f52df58d5fc
[ 68.347493][ T705] RDX: 000000000000000f RSI: 00007f52e04080a0 RDI: 0000000000000006
[ 68.355453][ T705] RBP: 00007f52e0408090 R08: 0000000000000000 R09: 0000000000000000
[ 68.363412][ T705] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 68.371454][ T705] R13: 00007f52df7c6128 R14: 00007f52df7c6090 R15: 00007fff6be1ce28
[ 68.379419][ T705]
[ 68.386567][ T709] FAULT_INJECTION: forcing a failure.
[ 68.386567][ T709] name failslab, interval 1, probability 0, space 0, times 0
[ 68.402155][ T709] CPU: 1 PID: 709 Comm: syz.1.87 Not tainted syzkaller #0
[ 68.409395][ T709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 68.419787][ T709] Call Trace:
[ 68.423090][ T709]
[ 68.426028][ T709] __dump_stack+0x21/0x24
[ 68.430345][ T709] dump_stack_lvl+0xee/0x150
[ 68.434930][ T709] ? __cfi_dump_stack_lvl+0x8/0x8
[ 68.439951][ T709] ? call_rcu+0xb83/0xf90
[ 68.444282][ T709] dump_stack+0x15/0x24
[ 68.448437][ T709] should_fail_ex+0x3d4/0x520
[ 68.453116][ T709] __should_failslab+0xac/0xf0
[ 68.457875][ T709] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 68.463844][ T709] should_failslab+0x9/0x20
[ 68.468329][ T709] __kmem_cache_alloc_node+0x3d/0x2c0
[ 68.473688][ T709] ? __cfi_mutex_lock+0x10/0x10
[ 68.478544][ T709] ? delete_node+0x2b3/0xa60
[ 68.483136][ T709] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 68.489299][ T709] __kmalloc+0xa1/0x1e0
[ 68.493449][ T709] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 68.499593][ T709] tracepoint_probe_unregister+0x1e6/0x8b0
[ 68.505407][ T709] bpf_probe_unregister+0x61/0x70
[ 68.510589][ T709] bpf_raw_tp_link_release+0x63/0x90
[ 68.515878][ T709] bpf_link_free+0x13a/0x390
[ 68.520465][ T709] ? bpf_link_put_deferred+0x20/0x20
[ 68.525758][ T709] bpf_link_release+0x15f/0x170
[ 68.530610][ T709] ? __cfi_bpf_link_release+0x10/0x10
[ 68.536000][ T709] __fput+0x1fc/0x8f0
[ 68.540103][ T709] ____fput+0x15/0x20
[ 68.544075][ T709] task_work_run+0x1db/0x240
[ 68.548653][ T709] ? __cfi_task_work_run+0x10/0x10
[ 68.553747][ T709] ? filp_close+0x111/0x160
[ 68.558255][ T709] exit_to_user_mode_loop+0x9b/0xb0
[ 68.563444][ T709] exit_to_user_mode_prepare+0x5a/0xa0
[ 68.568931][ T709] syscall_exit_to_user_mode+0x1a/0x30
[ 68.574393][ T709] do_syscall_64+0x58/0xa0
[ 68.578827][ T709] ? clear_bhb_loop+0x30/0x80
[ 68.583510][ T709] ? clear_bhb_loop+0x30/0x80
[ 68.588396][ T709] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 68.594309][ T709] RIP: 0033:0x7f680db8ebe9
[ 68.598707][ T709] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 68.618296][ T709] RSP: 002b:00007f680eae8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 68.626715][ T709] RAX: 0000000000000000 RBX: 00007f680ddc5fa0 RCX: 00007f680db8ebe9
[ 68.634681][ T709] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 68.642643][ T709] RBP: 00007f680eae8090 R08: 0000000000000000 R09: 0000000000000000
[ 68.650689][ T709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 68.658665][ T709] R13: 00007f680ddc6038 R14: 00007f680ddc5fa0 R15: 00007ffe5edf6868
[ 68.666659][ T709]
[ 68.687948][ T710] FAULT_INJECTION: forcing a failure.
[ 68.687948][ T710] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 68.701186][ T710] CPU: 0 PID: 710 Comm: syz.0.86 Not tainted syzkaller #0
[ 68.708288][ T710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 68.718591][ T710] Call Trace:
[ 68.721996][ T710]
[ 68.725055][ T710] __dump_stack+0x21/0x24
[ 68.729394][ T710] dump_stack_lvl+0xee/0x150
[ 68.733976][ T710] ? __cfi_dump_stack_lvl+0x8/0x8
[ 68.738998][ T710] dump_stack+0x15/0x24
[ 68.743155][ T710] should_fail_ex+0x3d4/0x520
[ 68.748021][ T710] should_fail+0xb/0x10
[ 68.752170][ T710] should_fail_usercopy+0x1a/0x20
[ 68.757196][ T710] _copy_to_user+0x1e/0x90
[ 68.761607][ T710] simple_read_from_buffer+0xe9/0x160
[ 68.766982][ T710] proc_fail_nth_read+0x19a/0x210
[ 68.771995][ T710] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 68.777524][ T710] ? security_file_permission+0x94/0xb0
[ 68.783060][ T710] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 68.788585][ T710] vfs_read+0x26e/0x8c0
[ 68.792744][ T710] ? __cfi_vfs_read+0x10/0x10
[ 68.797411][ T710] ? __kasan_check_write+0x14/0x20
[ 68.802599][ T710] ? mutex_lock+0x8d/0x1a0
[ 68.807023][ T710] ? __cfi_mutex_lock+0x10/0x10
[ 68.811896][ T710] ? __fdget_pos+0x2cd/0x380
[ 68.816475][ T710] ? ksys_read+0x71/0x240
[ 68.820899][ T710] ksys_read+0x140/0x240
[ 68.825132][ T710] ? __cfi_ksys_read+0x10/0x10
[ 68.830081][ T710] ? fpregs_restore_userregs+0x128/0x260
[ 68.835782][ T710] __x64_sys_read+0x7b/0x90
[ 68.840361][ T710] x64_sys_call+0x2f/0x9a0
[ 68.844876][ T710] do_syscall_64+0x4c/0xa0
[ 68.849289][ T710] ? clear_bhb_loop+0x30/0x80
[ 68.854000][ T710] ? clear_bhb_loop+0x30/0x80
[ 68.858703][ T710] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 68.864592][ T710] RIP: 0033:0x7f98c6f8d5fc
[ 68.869022][ T710] 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
[ 68.888698][ T710] RSP: 002b:00007f98c7dd5030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 68.897110][ T710] RAX: ffffffffffffffda RBX: 00007f98c71c5fa0 RCX: 00007f98c6f8d5fc
[ 68.905151][ T710] RDX: 000000000000000f RSI: 00007f98c7dd50a0 RDI: 0000000000000006
[ 68.913281][ T710] RBP: 00007f98c7dd5090 R08: 0000000000000000 R09: 0000000000000000
[ 68.921347][ T710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 68.929388][ T710] R13: 00007f98c71c6038 R14: 00007f98c71c5fa0 R15: 00007ffc18aa3a58
[ 68.937373][ T710]
[ 68.941175][ T711] FAULT_INJECTION: forcing a failure.
[ 68.941175][ T711] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 68.954380][ T711] CPU: 0 PID: 711 Comm: syz.5.88 Not tainted syzkaller #0
[ 68.961507][ T711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 68.971552][ T711] Call Trace:
[ 68.974837][ T711]
[ 68.977778][ T711] __dump_stack+0x21/0x24
[ 68.982201][ T711] dump_stack_lvl+0xee/0x150
[ 68.986787][ T711] ? __cfi_dump_stack_lvl+0x8/0x8
[ 68.991973][ T711] dump_stack+0x15/0x24
[ 68.996114][ T711] should_fail_ex+0x3d4/0x520
[ 69.000790][ T711] should_fail+0xb/0x10
[ 69.004961][ T711] should_fail_usercopy+0x1a/0x20
[ 69.010158][ T711] _copy_to_user+0x1e/0x90
[ 69.014556][ T711] simple_read_from_buffer+0xe9/0x160
[ 69.019935][ T711] proc_fail_nth_read+0x19a/0x210
[ 69.024963][ T711] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 69.030577][ T711] ? security_file_permission+0x94/0xb0
[ 69.036102][ T711] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 69.041645][ T711] vfs_read+0x26e/0x8c0
[ 69.045798][ T711] ? __cfi_vfs_read+0x10/0x10
[ 69.050461][ T711] ? __kasan_check_write+0x14/0x20
[ 69.055555][ T711] ? mutex_lock+0x8d/0x1a0
[ 69.060051][ T711] ? __cfi_mutex_lock+0x10/0x10
[ 69.064880][ T711] ? __fdget_pos+0x2cd/0x380
[ 69.069456][ T711] ? ksys_read+0x71/0x240
[ 69.073770][ T711] ksys_read+0x140/0x240
[ 69.078108][ T711] ? __cfi_ksys_read+0x10/0x10
[ 69.082893][ T711] ? debug_smp_processor_id+0x17/0x20
[ 69.088249][ T711] __x64_sys_read+0x7b/0x90
[ 69.092737][ T711] x64_sys_call+0x2f/0x9a0
[ 69.097315][ T711] do_syscall_64+0x4c/0xa0
[ 69.101736][ T711] ? clear_bhb_loop+0x30/0x80
[ 69.106427][ T711] ? clear_bhb_loop+0x30/0x80
[ 69.111120][ T711] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 69.117006][ T711] RIP: 0033:0x7efd2b18d5fc
[ 69.121409][ T711] 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
[ 69.141184][ T711] RSP: 002b:00007efd2bfcd030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 69.149586][ T711] RAX: ffffffffffffffda RBX: 00007efd2b3c5fa0 RCX: 00007efd2b18d5fc
[ 69.157541][ T711] RDX: 000000000000000f RSI: 00007efd2bfcd0a0 RDI: 0000000000000006
[ 69.165500][ T711] RBP: 00007efd2bfcd090 R08: 0000000000000000 R09: 0000000000000000
[ 69.173538][ T711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 69.181928][ T711] R13: 00007efd2b3c6038 R14: 00007efd2b3c5fa0 R15: 00007ffda9db5758
2025/09/15 10:34:37 executed programs: 85
[ 69.189887][ T711]
[ 69.194363][ T713] FAULT_INJECTION: forcing a failure.
[ 69.194363][ T713] name failslab, interval 1, probability 0, space 0, times 0
[ 69.207936][ T713] CPU: 0 PID: 713 Comm: syz.4.89 Not tainted syzkaller #0
[ 69.215063][ T713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 69.225194][ T713] Call Trace:
[ 69.228458][ T713]
[ 69.231421][ T713] __dump_stack+0x21/0x24
[ 69.235750][ T713] dump_stack_lvl+0xee/0x150
[ 69.240354][ T713] ? __cfi_dump_stack_lvl+0x8/0x8
[ 69.245385][ T713] dump_stack+0x15/0x24
[ 69.249557][ T713] should_fail_ex+0x3d4/0x520
[ 69.254226][ T713] __should_failslab+0xac/0xf0
[ 69.258984][ T713] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 69.264981][ T713] should_failslab+0x9/0x20
[ 69.269473][ T713] __kmem_cache_alloc_node+0x3d/0x2c0
[ 69.274838][ T713] ? __cfi_mutex_lock+0x10/0x10
[ 69.279695][ T713] ? delete_node+0x2f4/0xa60
[ 69.284456][ T713] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 69.290688][ T713] __kmalloc+0xa1/0x1e0
[ 69.294930][ T713] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 69.301099][ T713] tracepoint_probe_unregister+0x1e6/0x8b0
[ 69.306914][ T713] bpf_probe_unregister+0x61/0x70
[ 69.312112][ T713] bpf_raw_tp_link_release+0x63/0x90
[ 69.317401][ T713] bpf_link_free+0x13a/0x390
[ 69.322113][ T713] ? bpf_link_put_deferred+0x20/0x20
[ 69.327386][ T713] bpf_link_release+0x15f/0x170
[ 69.332221][ T713] ? __cfi_bpf_link_release+0x10/0x10
[ 69.337626][ T713] __fput+0x1fc/0x8f0
[ 69.341595][ T713] ____fput+0x15/0x20
[ 69.345560][ T713] task_work_run+0x1db/0x240
[ 69.350235][ T713] ? __cfi_task_work_run+0x10/0x10
[ 69.355346][ T713] ? filp_close+0x111/0x160
[ 69.359846][ T713] exit_to_user_mode_loop+0x9b/0xb0
[ 69.365049][ T713] exit_to_user_mode_prepare+0x5a/0xa0
[ 69.370504][ T713] syscall_exit_to_user_mode+0x1a/0x30
[ 69.375961][ T713] do_syscall_64+0x58/0xa0
[ 69.380453][ T713] ? clear_bhb_loop+0x30/0x80
[ 69.385249][ T713] ? clear_bhb_loop+0x30/0x80
[ 69.389965][ T713] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 69.395886][ T713] RIP: 0033:0x7ff685d8ebe9
[ 69.400295][ T713] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 69.419972][ T713] RSP: 002b:00007ff686c56038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 69.428379][ T713] RAX: 0000000000000000 RBX: 00007ff685fc5fa0 RCX: 00007ff685d8ebe9
[ 69.436345][ T713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 69.444303][ T713] RBP: 00007ff686c56090 R08: 0000000000000000 R09: 0000000000000000
[ 69.452284][ T713] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 69.460328][ T713] R13: 00007ff685fc6038 R14: 00007ff685fc5fa0 R15: 00007ffd03a8dd98
[ 69.468314][ T713]
[ 69.472309][ T723] FAULT_INJECTION: forcing a failure.
[ 69.472309][ T723] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 69.474652][ T719] FAULT_INJECTION: forcing a failure.
[ 69.474652][ T719] name failslab, interval 1, probability 0, space 0, times 0
[ 69.485536][ T723] CPU: 0 PID: 723 Comm: syz.1.91 Not tainted syzkaller #0
[ 69.505161][ T723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 69.515221][ T723] Call Trace:
[ 69.518503][ T723]
[ 69.521447][ T723] __dump_stack+0x21/0x24
[ 69.525856][ T723] dump_stack_lvl+0xee/0x150
[ 69.530465][ T723] ? __cfi_dump_stack_lvl+0x8/0x8
[ 69.535501][ T723] dump_stack+0x15/0x24
[ 69.539659][ T723] should_fail_ex+0x3d4/0x520
[ 69.544604][ T723] should_fail+0xb/0x10
[ 69.548759][ T723] should_fail_usercopy+0x1a/0x20
[ 69.553898][ T723] _copy_to_user+0x1e/0x90
[ 69.558342][ T723] simple_read_from_buffer+0xe9/0x160
[ 69.563824][ T723] proc_fail_nth_read+0x19a/0x210
[ 69.568861][ T723] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 69.574451][ T723] ? security_file_permission+0x94/0xb0
[ 69.580091][ T723] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 69.585642][ T723] vfs_read+0x26e/0x8c0
[ 69.589918][ T723] ? __cfi_vfs_read+0x10/0x10
[ 69.594710][ T723] ? __kasan_check_write+0x14/0x20
[ 69.600020][ T723] ? mutex_lock+0x8d/0x1a0
[ 69.604435][ T723] ? __cfi_mutex_lock+0x10/0x10
[ 69.609277][ T723] ? __fdget_pos+0x2cd/0x380
[ 69.613876][ T723] ? ksys_read+0x71/0x240
[ 69.618219][ T723] ksys_read+0x140/0x240
[ 69.622466][ T723] ? __cfi_ksys_read+0x10/0x10
[ 69.627272][ T723] ? debug_smp_processor_id+0x17/0x20
[ 69.632743][ T723] __x64_sys_read+0x7b/0x90
[ 69.637247][ T723] x64_sys_call+0x2f/0x9a0
[ 69.641671][ T723] do_syscall_64+0x4c/0xa0
[ 69.646098][ T723] ? clear_bhb_loop+0x30/0x80
[ 69.651047][ T723] ? clear_bhb_loop+0x30/0x80
[ 69.655737][ T723] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 69.661633][ T723] RIP: 0033:0x7f680db8d5fc
[ 69.666088][ T723] 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
[ 69.685801][ T723] RSP: 002b:00007f680eac7030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 69.695004][ T723] RAX: ffffffffffffffda RBX: 00007f680ddc6090 RCX: 00007f680db8d5fc
[ 69.702986][ T723] RDX: 000000000000000f RSI: 00007f680eac70a0 RDI: 0000000000000006
[ 69.711139][ T723] RBP: 00007f680eac7090 R08: 0000000000000000 R09: 0000000000000000
[ 69.719207][ T723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 69.727358][ T723] R13: 00007f680ddc6128 R14: 00007f680ddc6090 R15: 00007ffe5edf6868
[ 69.735504][ T723]
[ 69.740194][ T719] CPU: 1 PID: 719 Comm: syz.0.92 Not tainted syzkaller #0
[ 69.747332][ T719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 69.757386][ T719] Call Trace:
[ 69.760665][ T719]
[ 69.763605][ T719] __dump_stack+0x21/0x24
[ 69.767918][ T719] dump_stack_lvl+0xee/0x150
[ 69.772487][ T719] ? __cfi_dump_stack_lvl+0x8/0x8
[ 69.777591][ T719] dump_stack+0x15/0x24
[ 69.781749][ T719] should_fail_ex+0x3d4/0x520
[ 69.786537][ T719] __should_failslab+0xac/0xf0
[ 69.791389][ T719] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 69.797467][ T719] should_failslab+0x9/0x20
[ 69.801972][ T719] __kmem_cache_alloc_node+0x3d/0x2c0
[ 69.807331][ T719] ? __cfi_mutex_lock+0x10/0x10
[ 69.812239][ T719] ? delete_node+0x2f4/0xa60
[ 69.816832][ T719] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 69.822921][ T719] __kmalloc+0xa1/0x1e0
[ 69.827161][ T719] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 69.833214][ T719] tracepoint_probe_unregister+0x1e6/0x8b0
[ 69.839024][ T719] bpf_probe_unregister+0x61/0x70
[ 69.844043][ T719] bpf_raw_tp_link_release+0x63/0x90
[ 69.849401][ T719] bpf_link_free+0x13a/0x390
[ 69.853979][ T719] ? bpf_link_put_deferred+0x20/0x20
[ 69.859261][ T719] bpf_link_release+0x15f/0x170
[ 69.864314][ T719] ? __cfi_bpf_link_release+0x10/0x10
[ 69.869884][ T719] __fput+0x1fc/0x8f0
[ 69.873876][ T719] ____fput+0x15/0x20
[ 69.877864][ T719] task_work_run+0x1db/0x240
[ 69.882443][ T719] ? __cfi_task_work_run+0x10/0x10
[ 69.887557][ T719] ? filp_close+0x111/0x160
[ 69.892155][ T719] exit_to_user_mode_loop+0x9b/0xb0
[ 69.897445][ T719] exit_to_user_mode_prepare+0x5a/0xa0
[ 69.902896][ T719] syscall_exit_to_user_mode+0x1a/0x30
[ 69.908355][ T719] do_syscall_64+0x58/0xa0
[ 69.912859][ T719] ? clear_bhb_loop+0x30/0x80
[ 69.917518][ T719] ? clear_bhb_loop+0x30/0x80
[ 69.922214][ T719] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 69.928133][ T719] RIP: 0033:0x7f98c6f8ebe9
[ 69.932621][ T719] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 69.952613][ T719] RSP: 002b:00007f98c7dd5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 69.961296][ T719] RAX: 0000000000000000 RBX: 00007f98c71c5fa0 RCX: 00007f98c6f8ebe9
[ 69.969256][ T719] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 69.977298][ T719] RBP: 00007f98c7dd5090 R08: 0000000000000000 R09: 0000000000000000
[ 69.985459][ T719] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 69.993432][ T719] R13: 00007f98c71c6038 R14: 00007f98c71c5fa0 R15: 00007ffc18aa3a58
[ 70.001480][ T719]
[ 70.005771][ T726] FAULT_INJECTION: forcing a failure.
[ 70.005771][ T726] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 70.006000][ T716] FAULT_INJECTION: forcing a failure.
[ 70.006000][ T716] name failslab, interval 1, probability 0, space 0, times 0
[ 70.020172][ T726] CPU: 0 PID: 726 Comm: syz.5.93 Not tainted syzkaller #0
[ 70.038623][ T726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 70.048685][ T726] Call Trace:
[ 70.051969][ T726]
[ 70.054897][ T726] __dump_stack+0x21/0x24
[ 70.059417][ T726] dump_stack_lvl+0xee/0x150
[ 70.064019][ T726] ? __cfi_dump_stack_lvl+0x8/0x8
[ 70.069076][ T726] dump_stack+0x15/0x24
[ 70.073241][ T726] should_fail_ex+0x3d4/0x520
[ 70.077929][ T726] should_fail+0xb/0x10
[ 70.082091][ T726] should_fail_usercopy+0x1a/0x20
[ 70.087203][ T726] _copy_to_user+0x1e/0x90
[ 70.091618][ T726] simple_read_from_buffer+0xe9/0x160
[ 70.096995][ T726] proc_fail_nth_read+0x19a/0x210
[ 70.102029][ T726] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 70.107567][ T726] ? security_file_permission+0x94/0xb0
[ 70.113114][ T726] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 70.118673][ T726] vfs_read+0x26e/0x8c0
[ 70.122848][ T726] ? __cfi_vfs_read+0x10/0x10
[ 70.127610][ T726] ? __kasan_check_write+0x14/0x20
[ 70.132817][ T726] ? mutex_lock+0x8d/0x1a0
[ 70.137270][ T726] ? __cfi_mutex_lock+0x10/0x10
[ 70.142137][ T726] ? __fdget_pos+0x2cd/0x380
[ 70.146725][ T726] ? ksys_read+0x71/0x240
[ 70.151065][ T726] ksys_read+0x140/0x240
[ 70.155335][ T726] ? __cfi_ksys_read+0x10/0x10
[ 70.160091][ T726] ? debug_smp_processor_id+0x17/0x20
[ 70.165545][ T726] __x64_sys_read+0x7b/0x90
[ 70.170123][ T726] x64_sys_call+0x2f/0x9a0
[ 70.174638][ T726] do_syscall_64+0x4c/0xa0
[ 70.179135][ T726] ? clear_bhb_loop+0x30/0x80
[ 70.183986][ T726] ? clear_bhb_loop+0x30/0x80
[ 70.188653][ T726] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 70.194626][ T726] RIP: 0033:0x7efd2b18d5fc
[ 70.199126][ T726] 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
[ 70.218984][ T726] RSP: 002b:00007efd2bfac030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 70.227676][ T726] RAX: ffffffffffffffda RBX: 00007efd2b3c6090 RCX: 00007efd2b18d5fc
[ 70.235748][ T726] RDX: 000000000000000f RSI: 00007efd2bfac0a0 RDI: 0000000000000006
[ 70.243763][ T726] RBP: 00007efd2bfac090 R08: 0000000000000000 R09: 0000000000000000
[ 70.251755][ T726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 70.259733][ T726] R13: 00007efd2b3c6128 R14: 00007efd2b3c6090 R15: 00007ffda9db5758
[ 70.267883][ T726]
[ 70.270909][ T716] CPU: 1 PID: 716 Comm: syz.2.90 Not tainted syzkaller #0
[ 70.278060][ T716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 70.288650][ T716] Call Trace:
[ 70.291945][ T716]
[ 70.294870][ T716] __dump_stack+0x21/0x24
[ 70.299202][ T716] dump_stack_lvl+0xee/0x150
[ 70.303873][ T716] ? __cfi_dump_stack_lvl+0x8/0x8
[ 70.308989][ T716] dump_stack+0x15/0x24
[ 70.313146][ T716] should_fail_ex+0x3d4/0x520
[ 70.317992][ T716] __should_failslab+0xac/0xf0
[ 70.322753][ T716] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 70.328744][ T716] should_failslab+0x9/0x20
[ 70.333342][ T716] __kmem_cache_alloc_node+0x3d/0x2c0
[ 70.338695][ T716] ? __cfi_mutex_lock+0x10/0x10
[ 70.343526][ T716] ? delete_node+0x2f4/0xa60
[ 70.348096][ T716] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 70.354064][ T716] __kmalloc+0xa1/0x1e0
[ 70.358220][ T716] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 70.364280][ T716] tracepoint_probe_unregister+0x1e6/0x8b0
[ 70.370085][ T716] bpf_probe_unregister+0x61/0x70
[ 70.375289][ T716] bpf_raw_tp_link_release+0x63/0x90
[ 70.381055][ T716] bpf_link_free+0x13a/0x390
[ 70.385735][ T716] ? bpf_link_put_deferred+0x20/0x20
[ 70.391020][ T716] bpf_link_release+0x15f/0x170
[ 70.396044][ T716] ? __cfi_bpf_link_release+0x10/0x10
[ 70.401502][ T716] __fput+0x1fc/0x8f0
[ 70.405487][ T716] ____fput+0x15/0x20
[ 70.409470][ T716] task_work_run+0x1db/0x240
[ 70.414053][ T716] ? __cfi_task_work_run+0x10/0x10
[ 70.419152][ T716] ? filp_close+0x111/0x160
[ 70.423766][ T716] exit_to_user_mode_loop+0x9b/0xb0
[ 70.428967][ T716] exit_to_user_mode_prepare+0x5a/0xa0
[ 70.434516][ T716] syscall_exit_to_user_mode+0x1a/0x30
[ 70.439967][ T716] do_syscall_64+0x58/0xa0
[ 70.444367][ T716] ? clear_bhb_loop+0x30/0x80
[ 70.449113][ T716] ? clear_bhb_loop+0x30/0x80
[ 70.453770][ T716] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 70.459643][ T716] RIP: 0033:0x7f52df58ebe9
[ 70.464044][ T716] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 70.484005][ T716] RSP: 002b:00007f52e0429038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 70.492529][ T716] RAX: 0000000000000000 RBX: 00007f52df7c5fa0 RCX: 00007f52df58ebe9
[ 70.500570][ T716] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 70.508524][ T716] RBP: 00007f52e0429090 R08: 0000000000000000 R09: 0000000000000000
[ 70.516476][ T716] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 70.524437][ T716] R13: 00007f52df7c6038 R14: 00007f52df7c5fa0 R15: 00007fff6be1ce28
[ 70.532500][ T716]
[ 70.536419][ T729] FAULT_INJECTION: forcing a failure.
[ 70.536419][ T729] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 70.551400][ T729] CPU: 0 PID: 729 Comm: syz.4.94 Not tainted syzkaller #0
[ 70.558551][ T729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 70.568619][ T729] Call Trace:
[ 70.571897][ T729]
[ 70.574817][ T729] __dump_stack+0x21/0x24
[ 70.579226][ T729] dump_stack_lvl+0xee/0x150
[ 70.583806][ T729] ? __cfi_dump_stack_lvl+0x8/0x8
[ 70.588915][ T729] dump_stack+0x15/0x24
[ 70.593067][ T729] should_fail_ex+0x3d4/0x520
[ 70.597735][ T729] should_fail+0xb/0x10
[ 70.601959][ T729] should_fail_usercopy+0x1a/0x20
[ 70.607003][ T729] _copy_to_user+0x1e/0x90
[ 70.611488][ T729] simple_read_from_buffer+0xe9/0x160
[ 70.616879][ T729] proc_fail_nth_read+0x19a/0x210
[ 70.621887][ T729] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 70.627515][ T729] ? security_file_permission+0x94/0xb0
[ 70.633155][ T729] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 70.638704][ T729] vfs_read+0x26e/0x8c0
[ 70.642873][ T729] ? __cfi_vfs_read+0x10/0x10
[ 70.647533][ T729] ? __kasan_check_write+0x14/0x20
[ 70.652647][ T729] ? mutex_lock+0x8d/0x1a0
[ 70.657060][ T729] ? __cfi_mutex_lock+0x10/0x10
[ 70.661889][ T729] ? __fdget_pos+0x2cd/0x380
[ 70.666558][ T729] ? ksys_read+0x71/0x240
[ 70.670886][ T729] ksys_read+0x140/0x240
[ 70.675224][ T729] ? __cfi_ksys_read+0x10/0x10
[ 70.680076][ T729] ? debug_smp_processor_id+0x17/0x20
[ 70.685449][ T729] __x64_sys_read+0x7b/0x90
[ 70.689952][ T729] x64_sys_call+0x2f/0x9a0
[ 70.694350][ T729] do_syscall_64+0x4c/0xa0
[ 70.698945][ T729] ? clear_bhb_loop+0x30/0x80
[ 70.703603][ T729] ? clear_bhb_loop+0x30/0x80
[ 70.708262][ T729] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 70.714144][ T729] RIP: 0033:0x7ff685d8d5fc
[ 70.718555][ T729] 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
[ 70.738327][ T729] RSP: 002b:00007ff686c35030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 70.746817][ T729] RAX: ffffffffffffffda RBX: 00007ff685fc6090 RCX: 00007ff685d8d5fc
[ 70.754777][ T729] RDX: 000000000000000f RSI: 00007ff686c350a0 RDI: 0000000000000006
[ 70.762761][ T729] RBP: 00007ff686c35090 R08: 0000000000000000 R09: 0000000000000000
[ 70.771238][ T729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 70.779383][ T729] R13: 00007ff685fc6128 R14: 00007ff685fc6090 R15: 00007ffd03a8dd98
[ 70.787387][ T729]
[ 70.807932][ T731] FAULT_INJECTION: forcing a failure.
[ 70.807932][ T731] name failslab, interval 1, probability 0, space 0, times 0
[ 70.820814][ T731] CPU: 0 PID: 731 Comm: syz.2.96 Not tainted syzkaller #0
[ 70.827964][ T731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 70.838016][ T731] Call Trace:
[ 70.841418][ T731]
[ 70.844338][ T731] __dump_stack+0x21/0x24
[ 70.848680][ T731] dump_stack_lvl+0xee/0x150
[ 70.853257][ T731] ? __cfi_dump_stack_lvl+0x8/0x8
[ 70.858272][ T731] dump_stack+0x15/0x24
[ 70.862428][ T731] should_fail_ex+0x3d4/0x520
[ 70.867177][ T731] __should_failslab+0xac/0xf0
[ 70.871929][ T731] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 70.877984][ T731] should_failslab+0x9/0x20
[ 70.882503][ T731] __kmem_cache_alloc_node+0x3d/0x2c0
[ 70.887928][ T731] ? __cfi_mutex_lock+0x10/0x10
[ 70.892767][ T731] ? delete_node+0x2f4/0xa60
[ 70.897353][ T731] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 70.903340][ T731] __kmalloc+0xa1/0x1e0
[ 70.907519][ T731] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 70.913669][ T731] tracepoint_probe_unregister+0x1e6/0x8b0
[ 70.919473][ T731] bpf_probe_unregister+0x61/0x70
[ 70.924579][ T731] bpf_raw_tp_link_release+0x63/0x90
[ 70.929858][ T731] bpf_link_free+0x13a/0x390
[ 70.934431][ T731] ? bpf_link_put_deferred+0x20/0x20
[ 70.939703][ T731] bpf_link_release+0x15f/0x170
[ 70.944544][ T731] ? __cfi_bpf_link_release+0x10/0x10
[ 70.949902][ T731] __fput+0x1fc/0x8f0
[ 70.953884][ T731] ____fput+0x15/0x20
[ 70.957857][ T731] task_work_run+0x1db/0x240
[ 70.962460][ T731] ? __cfi_task_work_run+0x10/0x10
[ 70.967599][ T731] ? filp_close+0x111/0x160
[ 70.972157][ T731] exit_to_user_mode_loop+0x9b/0xb0
[ 70.977386][ T731] exit_to_user_mode_prepare+0x5a/0xa0
[ 70.982948][ T731] syscall_exit_to_user_mode+0x1a/0x30
[ 70.988602][ T731] do_syscall_64+0x58/0xa0
[ 70.993118][ T731] ? clear_bhb_loop+0x30/0x80
[ 70.997809][ T731] ? clear_bhb_loop+0x30/0x80
[ 71.002954][ T731] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 71.008925][ T731] RIP: 0033:0x7f52df58ebe9
[ 71.013346][ T731] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 71.033041][ T731] RSP: 002b:00007f52e0429038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 71.041468][ T731] RAX: 0000000000000000 RBX: 00007f52df7c5fa0 RCX: 00007f52df58ebe9
[ 71.049458][ T731] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 71.057498][ T731] RBP: 00007f52e0429090 R08: 0000000000000000 R09: 0000000000000000
[ 71.065453][ T731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 71.073527][ T731] R13: 00007f52df7c6038 R14: 00007f52df7c5fa0 R15: 00007fff6be1ce28
[ 71.081500][ T731]
[ 71.108072][ T733] FAULT_INJECTION: forcing a failure.
[ 71.108072][ T733] name failslab, interval 1, probability 0, space 0, times 0
[ 71.120845][ T733] CPU: 0 PID: 733 Comm: syz.5.97 Not tainted syzkaller #0
[ 71.127970][ T733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 71.138059][ T733] Call Trace:
[ 71.141324][ T733]
[ 71.144249][ T733] __dump_stack+0x21/0x24
[ 71.148596][ T733] dump_stack_lvl+0xee/0x150
[ 71.153183][ T733] ? __cfi_dump_stack_lvl+0x8/0x8
[ 71.158211][ T733] dump_stack+0x15/0x24
[ 71.162361][ T733] should_fail_ex+0x3d4/0x520
[ 71.167067][ T733] __should_failslab+0xac/0xf0
[ 71.171836][ T733] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 71.177816][ T733] should_failslab+0x9/0x20
[ 71.182320][ T733] __kmem_cache_alloc_node+0x3d/0x2c0
[ 71.187690][ T733] ? __cfi_mutex_lock+0x10/0x10
[ 71.192527][ T733] ? delete_node+0x2f4/0xa60
[ 71.197100][ T733] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 71.203059][ T733] __kmalloc+0xa1/0x1e0
[ 71.207197][ T733] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 71.213261][ T733] tracepoint_probe_unregister+0x1e6/0x8b0
[ 71.219080][ T733] bpf_probe_unregister+0x61/0x70
[ 71.224117][ T733] bpf_raw_tp_link_release+0x63/0x90
[ 71.229435][ T733] bpf_link_free+0x13a/0x390
[ 71.234023][ T733] ? bpf_link_put_deferred+0x20/0x20
[ 71.239294][ T733] bpf_link_release+0x15f/0x170
[ 71.244125][ T733] ? __cfi_bpf_link_release+0x10/0x10
[ 71.249656][ T733] __fput+0x1fc/0x8f0
[ 71.253637][ T733] ____fput+0x15/0x20
[ 71.257629][ T733] task_work_run+0x1db/0x240
[ 71.262256][ T733] ? __cfi_task_work_run+0x10/0x10
[ 71.267469][ T733] ? filp_close+0x111/0x160
[ 71.271983][ T733] exit_to_user_mode_loop+0x9b/0xb0
[ 71.277250][ T733] exit_to_user_mode_prepare+0x5a/0xa0
[ 71.282796][ T733] syscall_exit_to_user_mode+0x1a/0x30
[ 71.288261][ T733] do_syscall_64+0x58/0xa0
[ 71.292657][ T733] ? clear_bhb_loop+0x30/0x80
[ 71.297329][ T733] ? clear_bhb_loop+0x30/0x80
[ 71.302013][ T733] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 71.307972][ T733] RIP: 0033:0x7efd2b18ebe9
[ 71.312399][ T733] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 71.332087][ T733] RSP: 002b:00007efd2bfcd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 71.340582][ T733] RAX: 0000000000000000 RBX: 00007efd2b3c5fa0 RCX: 00007efd2b18ebe9
[ 71.348566][ T733] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 71.356616][ T733] RBP: 00007efd2bfcd090 R08: 0000000000000000 R09: 0000000000000000
[ 71.364917][ T733] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 71.372879][ T733] R13: 00007efd2b3c6038 R14: 00007efd2b3c5fa0 R15: 00007ffda9db5758
[ 71.373897][ T740] FAULT_INJECTION: forcing a failure.
[ 71.373897][ T740] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 71.381024][ T733]
[ 71.405723][ T740] CPU: 0 PID: 740 Comm: syz.1.98 Not tainted syzkaller #0
[ 71.412873][ T740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 71.422930][ T740] Call Trace:
[ 71.426264][ T740]
[ 71.429207][ T740] __dump_stack+0x21/0x24
[ 71.433541][ T740] dump_stack_lvl+0xee/0x150
[ 71.438145][ T740] ? __cfi_dump_stack_lvl+0x8/0x8
[ 71.443275][ T740] dump_stack+0x15/0x24
[ 71.447557][ T740] should_fail_ex+0x3d4/0x520
[ 71.452258][ T740] should_fail+0xb/0x10
[ 71.456443][ T740] should_fail_usercopy+0x1a/0x20
[ 71.461485][ T740] _copy_to_user+0x1e/0x90
[ 71.465912][ T740] simple_read_from_buffer+0xe9/0x160
[ 71.471371][ T740] proc_fail_nth_read+0x19a/0x210
[ 71.476421][ T740] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 71.482095][ T740] ? security_file_permission+0x94/0xb0
[ 71.487636][ T740] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 71.493166][ T740] vfs_read+0x26e/0x8c0
[ 71.497346][ T740] ? __cfi_vfs_read+0x10/0x10
[ 71.502021][ T740] ? __kasan_check_write+0x14/0x20
[ 71.507143][ T740] ? mutex_lock+0x8d/0x1a0
[ 71.511671][ T740] ? __cfi_mutex_lock+0x10/0x10
[ 71.516516][ T740] ? __fdget_pos+0x2cd/0x380
[ 71.521192][ T740] ? ksys_read+0x71/0x240
[ 71.525514][ T740] ksys_read+0x140/0x240
[ 71.529769][ T740] ? __cfi_ksys_read+0x10/0x10
[ 71.534523][ T740] ? debug_smp_processor_id+0x17/0x20
[ 71.539882][ T740] __x64_sys_read+0x7b/0x90
[ 71.544502][ T740] x64_sys_call+0x2f/0x9a0
[ 71.549006][ T740] do_syscall_64+0x4c/0xa0
[ 71.553418][ T740] ? clear_bhb_loop+0x30/0x80
[ 71.558110][ T740] ? clear_bhb_loop+0x30/0x80
[ 71.562775][ T740] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 71.568661][ T740] RIP: 0033:0x7f680db8d5fc
[ 71.573094][ T740] 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
[ 71.592865][ T740] RSP: 002b:00007f680eac7030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 71.601309][ T740] RAX: ffffffffffffffda RBX: 00007f680ddc6090 RCX: 00007f680db8d5fc
[ 71.609282][ T740] RDX: 000000000000000f RSI: 00007f680eac70a0 RDI: 0000000000000006
[ 71.617512][ T740] RBP: 00007f680eac7090 R08: 0000000000000000 R09: 0000000000000000
[ 71.625481][ T740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 71.633447][ T740] R13: 00007f680ddc6128 R14: 00007f680ddc6090 R15: 00007ffe5edf6868
[ 71.641432][ T740]
[ 71.645660][ T745] FAULT_INJECTION: forcing a failure.
[ 71.645660][ T745] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 71.660661][ T745] CPU: 0 PID: 745 Comm: syz.2.99 Not tainted syzkaller #0
[ 71.667853][ T745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 71.677906][ T745] Call Trace:
[ 71.681267][ T745]
[ 71.684190][ T745] __dump_stack+0x21/0x24
[ 71.688526][ T745] dump_stack_lvl+0xee/0x150
[ 71.693115][ T745] ? __cfi_dump_stack_lvl+0x8/0x8
[ 71.698139][ T745] dump_stack+0x15/0x24
[ 71.702398][ T745] should_fail_ex+0x3d4/0x520
[ 71.707083][ T745] should_fail+0xb/0x10
[ 71.711277][ T745] should_fail_usercopy+0x1a/0x20
[ 71.716304][ T745] _copy_to_user+0x1e/0x90
[ 71.720813][ T745] simple_read_from_buffer+0xe9/0x160
[ 71.726192][ T745] proc_fail_nth_read+0x19a/0x210
[ 71.731211][ T745] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 71.736744][ T745] ? security_file_permission+0x94/0xb0
[ 71.742335][ T745] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 71.747904][ T745] vfs_read+0x26e/0x8c0
[ 71.752058][ T745] ? __cfi_vfs_read+0x10/0x10
[ 71.756726][ T745] ? __kasan_check_write+0x14/0x20
[ 71.761984][ T745] ? mutex_lock+0x8d/0x1a0
[ 71.766502][ T745] ? __cfi_mutex_lock+0x10/0x10
[ 71.771432][ T745] ? __fdget_pos+0x2cd/0x380
[ 71.776019][ T745] ? ksys_read+0x71/0x240
[ 71.780358][ T745] ksys_read+0x140/0x240
[ 71.784607][ T745] ? __cfi_ksys_read+0x10/0x10
[ 71.789375][ T745] ? debug_smp_processor_id+0x17/0x20
[ 71.794744][ T745] __x64_sys_read+0x7b/0x90
[ 71.799239][ T745] x64_sys_call+0x2f/0x9a0
[ 71.803640][ T745] do_syscall_64+0x4c/0xa0
[ 71.808126][ T745] ? clear_bhb_loop+0x30/0x80
[ 71.812833][ T745] ? clear_bhb_loop+0x30/0x80
[ 71.818015][ T745] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 71.823914][ T745] RIP: 0033:0x7f52df58d5fc
[ 71.828343][ T745] 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
[ 71.848047][ T745] RSP: 002b:00007f52e0408030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 71.856552][ T745] RAX: ffffffffffffffda RBX: 00007f52df7c6090 RCX: 00007f52df58d5fc
[ 71.864508][ T745] RDX: 000000000000000f RSI: 00007f52e04080a0 RDI: 0000000000000006
[ 71.872566][ T745] RBP: 00007f52e0408090 R08: 0000000000000000 R09: 0000000000000000
[ 71.880544][ T745] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 71.888624][ T745] R13: 00007f52df7c6128 R14: 00007f52df7c6090 R15: 00007fff6be1ce28
[ 71.896599][ T745]
[ 71.900327][ T746] FAULT_INJECTION: forcing a failure.
[ 71.900327][ T746] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 71.914010][ T746] CPU: 1 PID: 746 Comm: syz.4.100 Not tainted syzkaller #0
[ 71.921218][ T746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 71.931274][ T746] Call Trace:
[ 71.934545][ T746]
[ 71.937460][ T746] __dump_stack+0x21/0x24
[ 71.941790][ T746] dump_stack_lvl+0xee/0x150
[ 71.946396][ T746] ? __cfi_dump_stack_lvl+0x8/0x8
[ 71.951523][ T746] dump_stack+0x15/0x24
[ 71.955687][ T746] should_fail_ex+0x3d4/0x520
[ 71.960441][ T746] should_fail+0xb/0x10
[ 71.964600][ T746] should_fail_usercopy+0x1a/0x20
[ 71.969640][ T746] _copy_to_user+0x1e/0x90
[ 71.974073][ T746] simple_read_from_buffer+0xe9/0x160
[ 71.979459][ T746] proc_fail_nth_read+0x19a/0x210
[ 71.984492][ T746] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 71.990080][ T746] ? security_file_permission+0x94/0xb0
[ 71.995728][ T746] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 72.001406][ T746] vfs_read+0x26e/0x8c0
[ 72.005572][ T746] ? __cfi_vfs_read+0x10/0x10
[ 72.010235][ T746] ? __kasan_check_write+0x14/0x20
[ 72.015352][ T746] ? mutex_lock+0x8d/0x1a0
[ 72.019866][ T746] ? __cfi_mutex_lock+0x10/0x10
[ 72.024789][ T746] ? __fdget_pos+0x2cd/0x380
[ 72.029452][ T746] ? ksys_read+0x71/0x240
[ 72.033796][ T746] ksys_read+0x140/0x240
[ 72.038050][ T746] ? __cfi_ksys_read+0x10/0x10
[ 72.042825][ T746] ? debug_smp_processor_id+0x17/0x20
[ 72.048200][ T746] __x64_sys_read+0x7b/0x90
[ 72.052712][ T746] x64_sys_call+0x2f/0x9a0
[ 72.057128][ T746] do_syscall_64+0x4c/0xa0
[ 72.061553][ T746] ? clear_bhb_loop+0x30/0x80
[ 72.066221][ T746] ? clear_bhb_loop+0x30/0x80
[ 72.070910][ T746] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 72.076785][ T746] RIP: 0033:0x7ff685d8d5fc
[ 72.081201][ T746] 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
[ 72.100809][ T746] RSP: 002b:00007ff686c35030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 72.109237][ T746] RAX: ffffffffffffffda RBX: 00007ff685fc6090 RCX: 00007ff685d8d5fc
[ 72.117764][ T746] RDX: 000000000000000f RSI: 00007ff686c350a0 RDI: 0000000000000006
[ 72.125740][ T746] RBP: 00007ff686c35090 R08: 0000000000000000 R09: 0000000000000000
[ 72.133709][ T746] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 72.141707][ T746] R13: 00007ff685fc6128 R14: 00007ff685fc6090 R15: 00007ffd03a8dd98
[ 72.149770][ T746]
[ 72.161637][ T747] FAULT_INJECTION: forcing a failure.
[ 72.161637][ T747] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 72.175376][ T747] CPU: 0 PID: 747 Comm: syz.5.102 Not tainted syzkaller #0
[ 72.182576][ T747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 72.192711][ T747] Call Trace:
[ 72.195987][ T747]
[ 72.198902][ T747] __dump_stack+0x21/0x24
[ 72.203226][ T747] dump_stack_lvl+0xee/0x150
[ 72.207803][ T747] ? __cfi_dump_stack_lvl+0x8/0x8
[ 72.212813][ T747] dump_stack+0x15/0x24
[ 72.216963][ T747] should_fail_ex+0x3d4/0x520
[ 72.221644][ T747] should_fail+0xb/0x10
[ 72.225813][ T747] should_fail_usercopy+0x1a/0x20
[ 72.230861][ T747] _copy_to_user+0x1e/0x90
[ 72.235284][ T747] simple_read_from_buffer+0xe9/0x160
[ 72.240643][ T747] proc_fail_nth_read+0x19a/0x210
[ 72.245659][ T747] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 72.251203][ T747] ? security_file_permission+0x94/0xb0
[ 72.256837][ T747] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 72.262463][ T747] vfs_read+0x26e/0x8c0
[ 72.266608][ T747] ? __cfi_vfs_read+0x10/0x10
[ 72.271285][ T747] ? __kasan_check_write+0x14/0x20
[ 72.276424][ T747] ? mutex_lock+0x8d/0x1a0
[ 72.280854][ T747] ? __cfi_mutex_lock+0x10/0x10
[ 72.285762][ T747] ? __fdget_pos+0x2cd/0x380
[ 72.290354][ T747] ? ksys_read+0x71/0x240
[ 72.294679][ T747] ksys_read+0x140/0x240
[ 72.298930][ T747] ? __cfi_ksys_read+0x10/0x10
[ 72.303694][ T747] ? debug_smp_processor_id+0x17/0x20
[ 72.309068][ T747] __x64_sys_read+0x7b/0x90
[ 72.313573][ T747] x64_sys_call+0x2f/0x9a0
[ 72.317985][ T747] do_syscall_64+0x4c/0xa0
[ 72.322395][ T747] ? clear_bhb_loop+0x30/0x80
[ 72.327080][ T747] ? clear_bhb_loop+0x30/0x80
[ 72.331775][ T747] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 72.337680][ T747] RIP: 0033:0x7efd2b18d5fc
[ 72.342092][ T747] 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
[ 72.361773][ T747] RSP: 002b:00007efd2bfac030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 72.370208][ T747] RAX: ffffffffffffffda RBX: 00007efd2b3c6090 RCX: 00007efd2b18d5fc
[ 72.378179][ T747] RDX: 000000000000000f RSI: 00007efd2bfac0a0 RDI: 0000000000000006
[ 72.386154][ T747] RBP: 00007efd2bfac090 R08: 0000000000000000 R09: 0000000000000000
[ 72.394132][ T747] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 72.402295][ T747] R13: 00007efd2b3c6128 R14: 00007efd2b3c6090 R15: 00007ffda9db5758
[ 72.410347][ T747]
[ 72.416978][ T742] FAULT_INJECTION: forcing a failure.
[ 72.416978][ T742] name failslab, interval 1, probability 0, space 0, times 0
[ 72.432641][ T742] CPU: 0 PID: 742 Comm: syz.0.101 Not tainted syzkaller #0
[ 72.439885][ T742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 72.449922][ T742] Call Trace:
[ 72.453286][ T742]
[ 72.456255][ T742] __dump_stack+0x21/0x24
[ 72.460603][ T742] dump_stack_lvl+0xee/0x150
[ 72.465200][ T742] ? __cfi_dump_stack_lvl+0x8/0x8
[ 72.470275][ T742] dump_stack+0x15/0x24
[ 72.474436][ T742] should_fail_ex+0x3d4/0x520
[ 72.479287][ T742] __should_failslab+0xac/0xf0
[ 72.484125][ T742] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 72.490178][ T742] should_failslab+0x9/0x20
[ 72.494791][ T742] __kmem_cache_alloc_node+0x3d/0x2c0
[ 72.500179][ T742] ? __cfi_mutex_lock+0x10/0x10
[ 72.505028][ T742] ? delete_node+0x2f4/0xa60
[ 72.509694][ T742] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 72.515659][ T742] __kmalloc+0xa1/0x1e0
[ 72.519978][ T742] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 72.526062][ T742] tracepoint_probe_unregister+0x1e6/0x8b0
[ 72.531872][ T742] bpf_probe_unregister+0x61/0x70
[ 72.536886][ T742] bpf_raw_tp_link_release+0x63/0x90
[ 72.542161][ T742] bpf_link_free+0x13a/0x390
[ 72.546753][ T742] ? bpf_link_put_deferred+0x20/0x20
[ 72.552052][ T742] bpf_link_release+0x15f/0x170
[ 72.556903][ T742] ? __cfi_bpf_link_release+0x10/0x10
[ 72.562283][ T742] __fput+0x1fc/0x8f0
[ 72.566282][ T742] ____fput+0x15/0x20
[ 72.570255][ T742] task_work_run+0x1db/0x240
[ 72.574930][ T742] ? __cfi_task_work_run+0x10/0x10
[ 72.580155][ T742] ? filp_close+0x111/0x160
[ 72.584822][ T742] exit_to_user_mode_loop+0x9b/0xb0
[ 72.590109][ T742] exit_to_user_mode_prepare+0x5a/0xa0
[ 72.595582][ T742] syscall_exit_to_user_mode+0x1a/0x30
[ 72.601032][ T742] do_syscall_64+0x58/0xa0
[ 72.605432][ T742] ? clear_bhb_loop+0x30/0x80
[ 72.610280][ T742] ? clear_bhb_loop+0x30/0x80
[ 72.614967][ T742] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 72.620848][ T742] RIP: 0033:0x7f98c6f8ebe9
[ 72.625276][ T742] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 72.645082][ T742] RSP: 002b:00007f98c7dd5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 72.653743][ T742] RAX: 0000000000000000 RBX: 00007f98c71c5fa0 RCX: 00007f98c6f8ebe9
[ 72.661702][ T742] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 72.669844][ T742] RBP: 00007f98c7dd5090 R08: 0000000000000000 R09: 0000000000000000
[ 72.677839][ T742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 72.685981][ T742] R13: 00007f98c71c6038 R14: 00007f98c71c5fa0 R15: 00007ffc18aa3a58
[ 72.693961][ T742]
[ 72.697623][ T750] FAULT_INJECTION: forcing a failure.
[ 72.697623][ T750] name failslab, interval 1, probability 0, space 0, times 0
[ 72.710474][ T750] CPU: 0 PID: 750 Comm: syz.2.104 Not tainted syzkaller #0
[ 72.717687][ T750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 72.727749][ T750] Call Trace:
[ 72.731015][ T750]
[ 72.733930][ T750] __dump_stack+0x21/0x24
[ 72.738355][ T750] dump_stack_lvl+0xee/0x150
[ 72.742941][ T750] ? __cfi_dump_stack_lvl+0x8/0x8
[ 72.747966][ T750] dump_stack+0x15/0x24
[ 72.752146][ T750] should_fail_ex+0x3d4/0x520
[ 72.756817][ T750] __should_failslab+0xac/0xf0
[ 72.761578][ T750] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 72.767577][ T750] should_failslab+0x9/0x20
[ 72.772201][ T750] __kmem_cache_alloc_node+0x3d/0x2c0
[ 72.777587][ T750] ? __cfi_mutex_lock+0x10/0x10
[ 72.782433][ T750] ? delete_node+0x2f4/0xa60
[ 72.787018][ T750] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 72.793006][ T750] __kmalloc+0xa1/0x1e0
[ 72.797175][ T750] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 72.803339][ T750] tracepoint_probe_unregister+0x1e6/0x8b0
[ 72.809146][ T750] bpf_probe_unregister+0x61/0x70
[ 72.814347][ T750] bpf_raw_tp_link_release+0x63/0x90
[ 72.819643][ T750] bpf_link_free+0x13a/0x390
[ 72.824249][ T750] ? bpf_link_put_deferred+0x20/0x20
[ 72.829733][ T750] bpf_link_release+0x15f/0x170
[ 72.834687][ T750] ? __cfi_bpf_link_release+0x10/0x10
[ 72.840049][ T750] __fput+0x1fc/0x8f0
[ 72.844032][ T750] ____fput+0x15/0x20
[ 72.848006][ T750] task_work_run+0x1db/0x240
[ 72.852682][ T750] ? __cfi_task_work_run+0x10/0x10
[ 72.857906][ T750] ? filp_close+0x111/0x160
[ 72.862419][ T750] exit_to_user_mode_loop+0x9b/0xb0
[ 72.867634][ T750] exit_to_user_mode_prepare+0x5a/0xa0
[ 72.873195][ T750] syscall_exit_to_user_mode+0x1a/0x30
[ 72.878656][ T750] do_syscall_64+0x58/0xa0
[ 72.883066][ T750] ? clear_bhb_loop+0x30/0x80
[ 72.887759][ T750] ? clear_bhb_loop+0x30/0x80
[ 72.892531][ T750] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 72.898414][ T750] RIP: 0033:0x7f52df58ebe9
[ 72.902810][ T750] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 72.922413][ T750] RSP: 002b:00007f52e0429038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 72.930822][ T750] RAX: 0000000000000000 RBX: 00007f52df7c5fa0 RCX: 00007f52df58ebe9
[ 72.938787][ T750] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 72.946848][ T750] RBP: 00007f52e0429090 R08: 0000000000000000 R09: 0000000000000000
[ 72.954819][ T750] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 72.962777][ T750] R13: 00007f52df7c6038 R14: 00007f52df7c5fa0 R15: 00007fff6be1ce28
[ 72.970749][ T750]
[ 72.975286][ T753] FAULT_INJECTION: forcing a failure.
[ 72.975286][ T753] name failslab, interval 1, probability 0, space 0, times 0
[ 72.988210][ T753] CPU: 0 PID: 753 Comm: syz.4.105 Not tainted syzkaller #0
[ 72.995439][ T753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 73.005599][ T753] Call Trace:
[ 73.008880][ T753]
[ 73.011923][ T753] __dump_stack+0x21/0x24
[ 73.016276][ T753] dump_stack_lvl+0xee/0x150
[ 73.020965][ T753] ? __cfi_dump_stack_lvl+0x8/0x8
[ 73.026108][ T753] dump_stack+0x15/0x24
[ 73.030303][ T753] should_fail_ex+0x3d4/0x520
[ 73.035088][ T753] __should_failslab+0xac/0xf0
[ 73.039840][ T753] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 73.045889][ T753] should_failslab+0x9/0x20
[ 73.050400][ T753] __kmem_cache_alloc_node+0x3d/0x2c0
[ 73.055767][ T753] ? __cfi_mutex_lock+0x10/0x10
[ 73.060630][ T753] ? delete_node+0x2f4/0xa60
[ 73.065217][ T753] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 73.071201][ T753] __kmalloc+0xa1/0x1e0
[ 73.075737][ T753] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 73.082236][ T753] tracepoint_probe_unregister+0x1e6/0x8b0
[ 73.088133][ T753] bpf_probe_unregister+0x61/0x70
[ 73.093185][ T753] bpf_raw_tp_link_release+0x63/0x90
[ 73.098821][ T753] bpf_link_free+0x13a/0x390
[ 73.103610][ T753] ? bpf_link_put_deferred+0x20/0x20
[ 73.108888][ T753] bpf_link_release+0x15f/0x170
[ 73.113815][ T753] ? __cfi_bpf_link_release+0x10/0x10
[ 73.119300][ T753] __fput+0x1fc/0x8f0
[ 73.123319][ T753] ____fput+0x15/0x20
[ 73.127308][ T753] task_work_run+0x1db/0x240
[ 73.131907][ T753] ? __cfi_task_work_run+0x10/0x10
[ 73.137011][ T753] ? filp_close+0x111/0x160
[ 73.141502][ T753] exit_to_user_mode_loop+0x9b/0xb0
[ 73.146717][ T753] exit_to_user_mode_prepare+0x5a/0xa0
[ 73.152269][ T753] syscall_exit_to_user_mode+0x1a/0x30
[ 73.157780][ T753] do_syscall_64+0x58/0xa0
[ 73.162215][ T753] ? clear_bhb_loop+0x30/0x80
[ 73.166900][ T753] ? clear_bhb_loop+0x30/0x80
[ 73.171659][ T753] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 73.177549][ T753] RIP: 0033:0x7ff685d8ebe9
[ 73.181981][ T753] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 73.201598][ T753] RSP: 002b:00007ff686c56038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 73.210085][ T753] RAX: 0000000000000000 RBX: 00007ff685fc5fa0 RCX: 00007ff685d8ebe9
[ 73.218314][ T753] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 73.226273][ T753] RBP: 00007ff686c56090 R08: 0000000000000000 R09: 0000000000000000
[ 73.234266][ T753] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 73.242224][ T753] R13: 00007ff685fc6038 R14: 00007ff685fc5fa0 R15: 00007ffd03a8dd98
[ 73.250200][ T753]
[ 73.267907][ T755] FAULT_INJECTION: forcing a failure.
[ 73.267907][ T755] name failslab, interval 1, probability 0, space 0, times 0
[ 73.280643][ T755] CPU: 0 PID: 755 Comm: syz.0.106 Not tainted syzkaller #0
[ 73.287966][ T755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 73.298101][ T755] Call Trace:
[ 73.301404][ T755]
[ 73.304519][ T755] __dump_stack+0x21/0x24
[ 73.308874][ T755] dump_stack_lvl+0xee/0x150
[ 73.313591][ T755] ? __cfi_dump_stack_lvl+0x8/0x8
[ 73.319003][ T755] dump_stack+0x15/0x24
[ 73.323241][ T755] should_fail_ex+0x3d4/0x520
[ 73.327916][ T755] __should_failslab+0xac/0xf0
[ 73.332786][ T755] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 73.338871][ T755] should_failslab+0x9/0x20
[ 73.343372][ T755] __kmem_cache_alloc_node+0x3d/0x2c0
[ 73.348734][ T755] ? __cfi_mutex_lock+0x10/0x10
[ 73.353563][ T755] ? delete_node+0x2f4/0xa60
[ 73.358159][ T755] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 73.364152][ T755] __kmalloc+0xa1/0x1e0
[ 73.368310][ T755] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 73.374380][ T755] tracepoint_probe_unregister+0x1e6/0x8b0
[ 73.380619][ T755] bpf_probe_unregister+0x61/0x70
[ 73.385677][ T755] bpf_raw_tp_link_release+0x63/0x90
[ 73.390965][ T755] bpf_link_free+0x13a/0x390
[ 73.395547][ T755] ? bpf_link_put_deferred+0x20/0x20
[ 73.400911][ T755] bpf_link_release+0x15f/0x170
[ 73.405772][ T755] ? __cfi_bpf_link_release+0x10/0x10
[ 73.411148][ T755] __fput+0x1fc/0x8f0
[ 73.415193][ T755] ____fput+0x15/0x20
[ 73.419177][ T755] task_work_run+0x1db/0x240
[ 73.423879][ T755] ? __cfi_task_work_run+0x10/0x10
[ 73.428994][ T755] ? filp_close+0x111/0x160
[ 73.433547][ T755] exit_to_user_mode_loop+0x9b/0xb0
[ 73.438754][ T755] exit_to_user_mode_prepare+0x5a/0xa0
[ 73.444266][ T755] syscall_exit_to_user_mode+0x1a/0x30
[ 73.449725][ T755] do_syscall_64+0x58/0xa0
[ 73.454150][ T755] ? clear_bhb_loop+0x30/0x80
[ 73.458805][ T755] ? clear_bhb_loop+0x30/0x80
[ 73.463478][ T755] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 73.469349][ T755] RIP: 0033:0x7f98c6f8ebe9
[ 73.473759][ T755] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 73.493342][ T755] RSP: 002b:00007f98c7dd5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 73.501738][ T755] RAX: 0000000000000000 RBX: 00007f98c71c5fa0 RCX: 00007f98c6f8ebe9
[ 73.509695][ T755] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 73.517746][ T755] RBP: 00007f98c7dd5090 R08: 0000000000000000 R09: 0000000000000000
[ 73.525718][ T755] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 73.533682][ T755] R13: 00007f98c71c6038 R14: 00007f98c71c5fa0 R15: 00007ffc18aa3a58
[ 73.541656][ T755]
[ 73.557764][ T760] FAULT_INJECTION: forcing a failure.
[ 73.557764][ T760] name failslab, interval 1, probability 0, space 0, times 0
[ 73.570500][ T760] CPU: 0 PID: 760 Comm: syz.4.108 Not tainted syzkaller #0
[ 73.577960][ T760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 73.588447][ T760] Call Trace:
[ 73.591814][ T760]
[ 73.594745][ T760] __dump_stack+0x21/0x24
[ 73.599138][ T760] dump_stack_lvl+0xee/0x150
[ 73.603720][ T760] ? __cfi_dump_stack_lvl+0x8/0x8
[ 73.608830][ T760] dump_stack+0x15/0x24
[ 73.612984][ T760] should_fail_ex+0x3d4/0x520
[ 73.617663][ T760] __should_failslab+0xac/0xf0
[ 73.622457][ T760] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 73.628472][ T760] should_failslab+0x9/0x20
[ 73.633063][ T760] __kmem_cache_alloc_node+0x3d/0x2c0
[ 73.638437][ T760] ? __cfi_mutex_lock+0x10/0x10
[ 73.643397][ T760] ? delete_node+0x2f4/0xa60
[ 73.647977][ T760] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 73.653972][ T760] __kmalloc+0xa1/0x1e0
[ 73.658123][ T760] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 73.664180][ T760] tracepoint_probe_unregister+0x1e6/0x8b0
[ 73.669980][ T760] bpf_probe_unregister+0x61/0x70
[ 73.675083][ T760] bpf_raw_tp_link_release+0x63/0x90
[ 73.680360][ T760] bpf_link_free+0x13a/0x390
[ 73.684941][ T760] ? bpf_link_put_deferred+0x20/0x20
[ 73.690493][ T760] bpf_link_release+0x15f/0x170
[ 73.695341][ T760] ? __cfi_bpf_link_release+0x10/0x10
[ 73.700691][ T760] __fput+0x1fc/0x8f0
[ 73.704655][ T760] ____fput+0x15/0x20
[ 73.708618][ T760] task_work_run+0x1db/0x240
[ 73.713302][ T760] ? __cfi_task_work_run+0x10/0x10
[ 73.718503][ T760] ? filp_close+0x111/0x160
[ 73.723054][ T760] exit_to_user_mode_loop+0x9b/0xb0
[ 73.728280][ T760] exit_to_user_mode_prepare+0x5a/0xa0
[ 73.733721][ T760] syscall_exit_to_user_mode+0x1a/0x30
[ 73.739165][ T760] do_syscall_64+0x58/0xa0
[ 73.743559][ T760] ? clear_bhb_loop+0x30/0x80
[ 73.748218][ T760] ? clear_bhb_loop+0x30/0x80
[ 73.752877][ T760] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 73.758852][ T760] RIP: 0033:0x7ff685d8ebe9
[ 73.763279][ T760] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 73.782899][ T760] RSP: 002b:00007ff686c56038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 73.791301][ T760] RAX: 0000000000000000 RBX: 00007ff685fc5fa0 RCX: 00007ff685d8ebe9
[ 73.799275][ T760] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 73.807229][ T760] RBP: 00007ff686c56090 R08: 0000000000000000 R09: 0000000000000000
[ 73.815196][ T760] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 73.823225][ T760] R13: 00007ff685fc6038 R14: 00007ff685fc5fa0 R15: 00007ffd03a8dd98
[ 73.831206][ T760]
[ 73.842033][ T763] FAULT_INJECTION: forcing a failure.
[ 73.842033][ T763] name failslab, interval 1, probability 0, space 0, times 0
[ 73.855102][ T763] CPU: 1 PID: 763 Comm: syz.1.110 Not tainted syzkaller #0
[ 73.862341][ T763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 73.872472][ T763] Call Trace:
[ 73.875736][ T763]
[ 73.878668][ T763] __dump_stack+0x21/0x24
[ 73.883120][ T763] dump_stack_lvl+0xee/0x150
[ 73.887713][ T763] ? __cfi_dump_stack_lvl+0x8/0x8
[ 73.892815][ T763] dump_stack+0x15/0x24
[ 73.897212][ T763] should_fail_ex+0x3d4/0x520
[ 73.901875][ T763] __should_failslab+0xac/0xf0
[ 73.906622][ T763] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 73.912602][ T763] should_failslab+0x9/0x20
[ 73.917096][ T763] __kmem_cache_alloc_node+0x3d/0x2c0
[ 73.922460][ T763] ? __cfi_mutex_lock+0x10/0x10
[ 73.927332][ T763] ? delete_node+0x2f4/0xa60
[ 73.931921][ T763] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 73.937894][ T763] __kmalloc+0xa1/0x1e0
[ 73.942070][ T763] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 73.948137][ T763] tracepoint_probe_unregister+0x1e6/0x8b0
[ 73.953933][ T763] bpf_probe_unregister+0x61/0x70
[ 73.958938][ T763] bpf_raw_tp_link_release+0x63/0x90
[ 73.964206][ T763] bpf_link_free+0x13a/0x390
[ 73.968790][ T763] ? bpf_link_put_deferred+0x20/0x20
[ 73.974073][ T763] bpf_link_release+0x15f/0x170
[ 73.978908][ T763] ? __cfi_bpf_link_release+0x10/0x10
[ 73.984279][ T763] __fput+0x1fc/0x8f0
[ 73.988249][ T763] ____fput+0x15/0x20
[ 73.992218][ T763] task_work_run+0x1db/0x240
[ 73.996916][ T763] ? __cfi_task_work_run+0x10/0x10
[ 74.002016][ T763] ? filp_close+0x111/0x160
[ 74.006510][ T763] exit_to_user_mode_loop+0x9b/0xb0
[ 74.011722][ T763] exit_to_user_mode_prepare+0x5a/0xa0
[ 74.017243][ T763] syscall_exit_to_user_mode+0x1a/0x30
[ 74.022798][ T763] do_syscall_64+0x58/0xa0
[ 74.027205][ T763] ? clear_bhb_loop+0x30/0x80
[ 74.031893][ T763] ? clear_bhb_loop+0x30/0x80
[ 74.036574][ T763] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 74.042451][ T763] RIP: 0033:0x7f680db8ebe9
[ 74.046946][ T763] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 74.066629][ T763] RSP: 002b:00007f680eae8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 74.075028][ T763] RAX: 0000000000000000 RBX: 00007f680ddc5fa0 RCX: 00007f680db8ebe9
[ 74.082996][ T763] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 74.090985][ T763] RBP: 00007f680eae8090 R08: 0000000000000000 R09: 0000000000000000
[ 74.098940][ T763] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 74.106893][ T763] R13: 00007f680ddc6038 R14: 00007f680ddc5fa0 R15: 00007ffe5edf6868
[ 74.109943][ T768] FAULT_INJECTION: forcing a failure.
[ 74.109943][ T768] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 74.114865][ T763]
[ 74.130958][ T768] CPU: 0 PID: 768 Comm: syz.0.111 Not tainted syzkaller #0
[ 74.138255][ T768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 74.148300][ T768] Call Trace:
[ 74.151567][ T768]
[ 74.154479][ T768] __dump_stack+0x21/0x24
[ 74.158800][ T768] dump_stack_lvl+0xee/0x150
[ 74.163463][ T768] ? __cfi_dump_stack_lvl+0x8/0x8
[ 74.168475][ T768] dump_stack+0x15/0x24
[ 74.172610][ T768] should_fail_ex+0x3d4/0x520
[ 74.177369][ T768] should_fail+0xb/0x10
[ 74.181598][ T768] should_fail_usercopy+0x1a/0x20
[ 74.186875][ T768] _copy_to_user+0x1e/0x90
[ 74.191370][ T768] simple_read_from_buffer+0xe9/0x160
[ 74.196725][ T768] proc_fail_nth_read+0x19a/0x210
[ 74.201733][ T768] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 74.207348][ T768] ? security_file_permission+0x94/0xb0
[ 74.212880][ T768] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 74.218406][ T768] vfs_read+0x26e/0x8c0
[ 74.222558][ T768] ? __cfi_vfs_read+0x10/0x10
[ 74.227305][ T768] ? __kasan_check_write+0x14/0x20
[ 74.232406][ T768] ? mutex_lock+0x8d/0x1a0
[ 74.236893][ T768] ? __cfi_mutex_lock+0x10/0x10
[ 74.241727][ T768] ? __fdget_pos+0x2cd/0x380
[ 74.246296][ T768] ? ksys_read+0x71/0x240
[ 74.250611][ T768] ksys_read+0x140/0x240
[ 74.254931][ T768] ? __cfi_ksys_read+0x10/0x10
[ 74.259692][ T768] ? debug_smp_processor_id+0x17/0x20
[ 74.265063][ T768] __x64_sys_read+0x7b/0x90
[ 74.269574][ T768] x64_sys_call+0x2f/0x9a0
[ 74.273999][ T768] do_syscall_64+0x4c/0xa0
[ 74.278439][ T768] ? clear_bhb_loop+0x30/0x80
[ 74.283136][ T768] ? clear_bhb_loop+0x30/0x80
[ 74.287822][ T768] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 74.293701][ T768] RIP: 0033:0x7f98c6f8d5fc
[ 74.298096][ T768] 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
[ 74.317683][ T768] RSP: 002b:00007f98c7db4030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 74.326080][ T768] RAX: ffffffffffffffda RBX: 00007f98c71c6090 RCX: 00007f98c6f8d5fc
[ 74.334047][ T768] RDX: 000000000000000f RSI: 00007f98c7db40a0 RDI: 0000000000000006
[ 74.342025][ T768] RBP: 00007f98c7db4090 R08: 0000000000000000 R09: 0000000000000000
[ 74.349984][ T768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 74.357936][ T768] R13: 00007f98c71c6128 R14: 00007f98c71c6090 R15: 00007ffc18aa3a58
[ 74.365907][ T768]
[ 74.369448][ T757] FAULT_INJECTION: forcing a failure.
2025/09/15 10:34:42 executed programs: 105
[ 74.369448][ T757] name failslab, interval 1, probability 0, space 0, times 0
[ 74.383383][ T757] CPU: 0 PID: 757 Comm: syz.2.107 Not tainted syzkaller #0
[ 74.390704][ T757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 74.400763][ T757] Call Trace:
[ 74.404051][ T757]
[ 74.407089][ T757] __dump_stack+0x21/0x24
[ 74.411454][ T757] dump_stack_lvl+0xee/0x150
[ 74.416159][ T757] ? __cfi_dump_stack_lvl+0x8/0x8
[ 74.421295][ T757] dump_stack+0x15/0x24
[ 74.425458][ T757] should_fail_ex+0x3d4/0x520
[ 74.430141][ T757] __should_failslab+0xac/0xf0
[ 74.434994][ T757] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 74.440961][ T757] should_failslab+0x9/0x20
[ 74.445445][ T757] __kmem_cache_alloc_node+0x3d/0x2c0
[ 74.450819][ T757] ? __cfi_mutex_lock+0x10/0x10
[ 74.455648][ T757] ? delete_node+0x2f4/0xa60
[ 74.460228][ T757] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 74.466205][ T757] __kmalloc+0xa1/0x1e0
[ 74.470347][ T757] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 74.476513][ T757] tracepoint_probe_unregister+0x1e6/0x8b0
[ 74.482306][ T757] bpf_probe_unregister+0x61/0x70
[ 74.487343][ T757] bpf_raw_tp_link_release+0x63/0x90
[ 74.492986][ T757] bpf_link_free+0x13a/0x390
[ 74.497676][ T757] ? bpf_link_put_deferred+0x20/0x20
[ 74.502966][ T757] bpf_link_release+0x15f/0x170
[ 74.507804][ T757] ? __cfi_bpf_link_release+0x10/0x10
[ 74.513262][ T757] __fput+0x1fc/0x8f0
[ 74.517233][ T757] ____fput+0x15/0x20
[ 74.521204][ T757] task_work_run+0x1db/0x240
[ 74.525777][ T757] ? __cfi_task_work_run+0x10/0x10
[ 74.530876][ T757] ? filp_close+0x111/0x160
[ 74.535392][ T757] exit_to_user_mode_loop+0x9b/0xb0
[ 74.540592][ T757] exit_to_user_mode_prepare+0x5a/0xa0
[ 74.546140][ T757] syscall_exit_to_user_mode+0x1a/0x30
[ 74.551704][ T757] do_syscall_64+0x58/0xa0
[ 74.556111][ T757] ? clear_bhb_loop+0x30/0x80
[ 74.560793][ T757] ? clear_bhb_loop+0x30/0x80
[ 74.565452][ T757] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 74.571514][ T757] RIP: 0033:0x7f52df58ebe9
[ 74.576011][ T757] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 74.595689][ T757] RSP: 002b:00007f52e0429038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 74.604468][ T757] RAX: 0000000000000000 RBX: 00007f52df7c5fa0 RCX: 00007f52df58ebe9
[ 74.612536][ T757] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 74.620580][ T757] RBP: 00007f52e0429090 R08: 0000000000000000 R09: 0000000000000000
[ 74.628611][ T757] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 74.636592][ T757] R13: 00007f52df7c6038 R14: 00007f52df7c5fa0 R15: 00007fff6be1ce28
[ 74.644668][ T757]
[ 74.648515][ T761] FAULT_INJECTION: forcing a failure.
[ 74.648515][ T761] name failslab, interval 1, probability 0, space 0, times 0
[ 74.661199][ T761] CPU: 0 PID: 761 Comm: syz.5.109 Not tainted syzkaller #0
[ 74.668401][ T761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 74.678463][ T761] Call Trace:
[ 74.681817][ T761]
[ 74.684726][ T761] __dump_stack+0x21/0x24
[ 74.689049][ T761] dump_stack_lvl+0xee/0x150
[ 74.693738][ T761] ? __cfi_dump_stack_lvl+0x8/0x8
[ 74.698790][ T761] dump_stack+0x15/0x24
[ 74.703024][ T761] should_fail_ex+0x3d4/0x520
[ 74.707708][ T761] __should_failslab+0xac/0xf0
[ 74.712571][ T761] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 74.718549][ T761] should_failslab+0x9/0x20
[ 74.723039][ T761] __kmem_cache_alloc_node+0x3d/0x2c0
[ 74.728394][ T761] ? __cfi_mutex_lock+0x10/0x10
[ 74.733263][ T761] ? delete_node+0x2f4/0xa60
[ 74.737832][ T761] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 74.743802][ T761] __kmalloc+0xa1/0x1e0
[ 74.747942][ T761] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 74.754027][ T761] tracepoint_probe_unregister+0x1e6/0x8b0
[ 74.759902][ T761] bpf_probe_unregister+0x61/0x70
[ 74.765083][ T761] bpf_raw_tp_link_release+0x63/0x90
[ 74.770349][ T761] bpf_link_free+0x13a/0x390
[ 74.774930][ T761] ? bpf_link_put_deferred+0x20/0x20
[ 74.780310][ T761] bpf_link_release+0x15f/0x170
[ 74.785139][ T761] ? __cfi_bpf_link_release+0x10/0x10
[ 74.790493][ T761] __fput+0x1fc/0x8f0
[ 74.794470][ T761] ____fput+0x15/0x20
[ 74.798432][ T761] task_work_run+0x1db/0x240
[ 74.803008][ T761] ? __cfi_task_work_run+0x10/0x10
[ 74.808120][ T761] ? filp_close+0x111/0x160
[ 74.812644][ T761] exit_to_user_mode_loop+0x9b/0xb0
[ 74.817844][ T761] exit_to_user_mode_prepare+0x5a/0xa0
[ 74.823298][ T761] syscall_exit_to_user_mode+0x1a/0x30
[ 74.828736][ T761] do_syscall_64+0x58/0xa0
[ 74.833131][ T761] ? clear_bhb_loop+0x30/0x80
[ 74.837802][ T761] ? clear_bhb_loop+0x30/0x80
[ 74.842478][ T761] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 74.848359][ T761] RIP: 0033:0x7efd2b18ebe9
[ 74.852854][ T761] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 74.872745][ T761] RSP: 002b:00007efd2bfcd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 74.881178][ T761] RAX: 0000000000000000 RBX: 00007efd2b3c5fa0 RCX: 00007efd2b18ebe9
[ 74.889161][ T761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 74.897377][ T761] RBP: 00007efd2bfcd090 R08: 0000000000000000 R09: 0000000000000000
[ 74.905342][ T761] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 74.913308][ T761] R13: 00007efd2b3c6038 R14: 00007efd2b3c5fa0 R15: 00007ffda9db5758
[ 74.921312][ T761]
[ 74.948004][ T767] FAULT_INJECTION: forcing a failure.
[ 74.948004][ T767] name failslab, interval 1, probability 0, space 0, times 0
[ 74.960860][ T767] CPU: 0 PID: 767 Comm: syz.4.112 Not tainted syzkaller #0
[ 74.968161][ T767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 74.978247][ T767] Call Trace:
[ 74.981523][ T767]
[ 74.984462][ T767] __dump_stack+0x21/0x24
[ 74.988805][ T767] dump_stack_lvl+0xee/0x150
[ 74.993583][ T767] ? __cfi_dump_stack_lvl+0x8/0x8
[ 74.998624][ T767] dump_stack+0x15/0x24
[ 75.002768][ T767] should_fail_ex+0x3d4/0x520
[ 75.007447][ T767] __should_failslab+0xac/0xf0
[ 75.012200][ T767] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 75.018184][ T767] should_failslab+0x9/0x20
[ 75.022847][ T767] __kmem_cache_alloc_node+0x3d/0x2c0
[ 75.028216][ T767] ? __cfi_mutex_lock+0x10/0x10
[ 75.033047][ T767] ? delete_node+0x2f4/0xa60
[ 75.037618][ T767] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 75.043585][ T767] __kmalloc+0xa1/0x1e0
[ 75.047838][ T767] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 75.053900][ T767] tracepoint_probe_unregister+0x1e6/0x8b0
[ 75.059804][ T767] bpf_probe_unregister+0x61/0x70
[ 75.064822][ T767] bpf_raw_tp_link_release+0x63/0x90
[ 75.070355][ T767] bpf_link_free+0x13a/0x390
[ 75.074974][ T767] ? bpf_link_put_deferred+0x20/0x20
[ 75.080460][ T767] bpf_link_release+0x15f/0x170
[ 75.085300][ T767] ? __cfi_bpf_link_release+0x10/0x10
[ 75.090674][ T767] __fput+0x1fc/0x8f0
[ 75.094683][ T767] ____fput+0x15/0x20
[ 75.098659][ T767] task_work_run+0x1db/0x240
[ 75.103361][ T767] ? __cfi_task_work_run+0x10/0x10
[ 75.108480][ T767] ? filp_close+0x111/0x160
[ 75.112977][ T767] exit_to_user_mode_loop+0x9b/0xb0
[ 75.118185][ T767] exit_to_user_mode_prepare+0x5a/0xa0
[ 75.123823][ T767] syscall_exit_to_user_mode+0x1a/0x30
[ 75.129367][ T767] do_syscall_64+0x58/0xa0
[ 75.133783][ T767] ? clear_bhb_loop+0x30/0x80
[ 75.138443][ T767] ? clear_bhb_loop+0x30/0x80
[ 75.143128][ T767] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 75.149105][ T767] RIP: 0033:0x7ff685d8ebe9
[ 75.153725][ T767] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 75.173441][ T767] RSP: 002b:00007ff686c56038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 75.181865][ T767] RAX: 0000000000000000 RBX: 00007ff685fc5fa0 RCX: 00007ff685d8ebe9
[ 75.189837][ T767] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 75.197797][ T767] RBP: 00007ff686c56090 R08: 0000000000000000 R09: 0000000000000000
[ 75.205756][ T767] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 75.213711][ T767] R13: 00007ff685fc6038 R14: 00007ff685fc5fa0 R15: 00007ffd03a8dd98
[ 75.221725][ T767]
[ 75.223974][ T778] FAULT_INJECTION: forcing a failure.
[ 75.223974][ T778] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 75.232791][ T775] FAULT_INJECTION: forcing a failure.
[ 75.232791][ T775] name failslab, interval 1, probability 0, space 0, times 0
[ 75.243584][ T778] CPU: 1 PID: 778 Comm: syz.2.114 Not tainted syzkaller #0
[ 75.257624][ T778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 75.267673][ T778] Call Trace:
[ 75.270949][ T778]
[ 75.273966][ T778] __dump_stack+0x21/0x24
[ 75.278394][ T778] dump_stack_lvl+0xee/0x150
[ 75.283004][ T778] ? __cfi_dump_stack_lvl+0x8/0x8
[ 75.288045][ T778] dump_stack+0x15/0x24
[ 75.292203][ T778] should_fail_ex+0x3d4/0x520
[ 75.296933][ T778] should_fail+0xb/0x10
[ 75.301084][ T778] should_fail_usercopy+0x1a/0x20
[ 75.306097][ T778] _copy_to_user+0x1e/0x90
[ 75.310505][ T778] simple_read_from_buffer+0xe9/0x160
[ 75.316041][ T778] proc_fail_nth_read+0x19a/0x210
[ 75.321056][ T778] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 75.326678][ T778] ? security_file_permission+0x94/0xb0
[ 75.332249][ T778] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 75.337815][ T778] vfs_read+0x26e/0x8c0
[ 75.342096][ T778] ? __cfi_vfs_read+0x10/0x10
[ 75.346771][ T778] ? __kasan_check_write+0x14/0x20
[ 75.351879][ T778] ? mutex_lock+0x8d/0x1a0
[ 75.356317][ T778] ? __cfi_mutex_lock+0x10/0x10
[ 75.361193][ T778] ? __fdget_pos+0x2cd/0x380
[ 75.365913][ T778] ? ksys_read+0x71/0x240
[ 75.370245][ T778] ksys_read+0x140/0x240
[ 75.374488][ T778] ? __cfi_ksys_read+0x10/0x10
[ 75.379565][ T778] ? debug_smp_processor_id+0x17/0x20
[ 75.385131][ T778] __x64_sys_read+0x7b/0x90
[ 75.389741][ T778] x64_sys_call+0x2f/0x9a0
[ 75.394149][ T778] do_syscall_64+0x4c/0xa0
[ 75.398555][ T778] ? clear_bhb_loop+0x30/0x80
[ 75.403220][ T778] ? clear_bhb_loop+0x30/0x80
[ 75.407930][ T778] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 75.413812][ T778] RIP: 0033:0x7f52df58d5fc
[ 75.418348][ T778] 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
[ 75.438150][ T778] RSP: 002b:00007f52e0408030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 75.446740][ T778] RAX: ffffffffffffffda RBX: 00007f52df7c6090 RCX: 00007f52df58d5fc
[ 75.454707][ T778] RDX: 000000000000000f RSI: 00007f52e04080a0 RDI: 0000000000000006
[ 75.462672][ T778] RBP: 00007f52e0408090 R08: 0000000000000000 R09: 0000000000000000
[ 75.470943][ T778] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 75.478954][ T778] R13: 00007f52df7c6128 R14: 00007f52df7c6090 R15: 00007fff6be1ce28
[ 75.487011][ T778]
[ 75.490032][ T775] CPU: 0 PID: 775 Comm: syz.5.115 Not tainted syzkaller #0
[ 75.497407][ T775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 75.507447][ T775] Call Trace:
[ 75.510812][ T775]
[ 75.513750][ T775] __dump_stack+0x21/0x24
[ 75.518087][ T775] dump_stack_lvl+0xee/0x150
[ 75.522678][ T775] ? __cfi_dump_stack_lvl+0x8/0x8
[ 75.527706][ T775] dump_stack+0x15/0x24
[ 75.531946][ T775] should_fail_ex+0x3d4/0x520
[ 75.536631][ T775] __should_failslab+0xac/0xf0
[ 75.541392][ T775] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 75.547364][ T775] should_failslab+0x9/0x20
[ 75.551852][ T775] __kmem_cache_alloc_node+0x3d/0x2c0
[ 75.557210][ T775] ? __cfi_mutex_lock+0x10/0x10
[ 75.562048][ T775] ? delete_node+0x2f4/0xa60
[ 75.566624][ T775] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 75.572589][ T775] __kmalloc+0xa1/0x1e0
[ 75.576826][ T775] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 75.582893][ T775] tracepoint_probe_unregister+0x1e6/0x8b0
[ 75.588794][ T775] bpf_probe_unregister+0x61/0x70
[ 75.593814][ T775] bpf_raw_tp_link_release+0x63/0x90
[ 75.599096][ T775] bpf_link_free+0x13a/0x390
[ 75.603673][ T775] ? bpf_link_put_deferred+0x20/0x20
[ 75.608945][ T775] bpf_link_release+0x15f/0x170
[ 75.613777][ T775] ? __cfi_bpf_link_release+0x10/0x10
[ 75.619130][ T775] __fput+0x1fc/0x8f0
[ 75.623104][ T775] ____fput+0x15/0x20
[ 75.627066][ T775] task_work_run+0x1db/0x240
[ 75.631641][ T775] ? __cfi_task_work_run+0x10/0x10
[ 75.636826][ T775] ? filp_close+0x111/0x160
[ 75.641400][ T775] exit_to_user_mode_loop+0x9b/0xb0
[ 75.646674][ T775] exit_to_user_mode_prepare+0x5a/0xa0
[ 75.652144][ T775] syscall_exit_to_user_mode+0x1a/0x30
[ 75.657604][ T775] do_syscall_64+0x58/0xa0
[ 75.662007][ T775] ? clear_bhb_loop+0x30/0x80
[ 75.666691][ T775] ? clear_bhb_loop+0x30/0x80
[ 75.671460][ T775] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 75.677524][ T775] RIP: 0033:0x7efd2b18ebe9
[ 75.681966][ T775] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 75.701648][ T775] RSP: 002b:00007efd2bfcd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 75.710081][ T775] RAX: 0000000000000000 RBX: 00007efd2b3c5fa0 RCX: 00007efd2b18ebe9
[ 75.718212][ T775] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 75.726202][ T775] RBP: 00007efd2bfcd090 R08: 0000000000000000 R09: 0000000000000000
[ 75.734179][ T775] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 75.742154][ T775] R13: 00007efd2b3c6038 R14: 00007efd2b3c5fa0 R15: 00007ffda9db5758
[ 75.750204][ T775]
[ 75.753937][ T781] FAULT_INJECTION: forcing a failure.
[ 75.753937][ T781] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 75.767280][ T781] CPU: 1 PID: 781 Comm: syz.0.116 Not tainted syzkaller #0
[ 75.767312][ T770] FAULT_INJECTION: forcing a failure.
[ 75.767312][ T770] name failslab, interval 1, probability 0, space 0, times 0
[ 75.774573][ T781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 75.797276][ T781] Call Trace:
[ 75.800561][ T781]
[ 75.803500][ T781] __dump_stack+0x21/0x24
[ 75.807874][ T781] dump_stack_lvl+0xee/0x150
[ 75.812473][ T781] ? __cfi_dump_stack_lvl+0x8/0x8
[ 75.817510][ T781] dump_stack+0x15/0x24
[ 75.821655][ T781] should_fail_ex+0x3d4/0x520
[ 75.826351][ T781] should_fail+0xb/0x10
[ 75.830526][ T781] should_fail_usercopy+0x1a/0x20
[ 75.835560][ T781] _copy_to_user+0x1e/0x90
[ 75.839972][ T781] simple_read_from_buffer+0xe9/0x160
[ 75.845444][ T781] proc_fail_nth_read+0x19a/0x210
[ 75.850710][ T781] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 75.856275][ T781] ? security_file_permission+0x94/0xb0
[ 75.861981][ T781] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 75.867534][ T781] vfs_read+0x26e/0x8c0
[ 75.871703][ T781] ? __cfi_vfs_read+0x10/0x10
[ 75.876388][ T781] ? __kasan_check_write+0x14/0x20
[ 75.881511][ T781] ? mutex_lock+0x8d/0x1a0
[ 75.886096][ T781] ? __cfi_mutex_lock+0x10/0x10
[ 75.888826][ T783] FAULT_INJECTION: forcing a failure.
[ 75.888826][ T783] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 75.890940][ T781] ? __fdget_pos+0x2cd/0x380
[ 75.890963][ T781] ? ksys_read+0x71/0x240
[ 75.912925][ T781] ksys_read+0x140/0x240
[ 75.917252][ T781] ? __cfi_ksys_read+0x10/0x10
[ 75.922152][ T781] ? debug_smp_processor_id+0x17/0x20
[ 75.927618][ T781] __x64_sys_read+0x7b/0x90
[ 75.932112][ T781] x64_sys_call+0x2f/0x9a0
[ 75.936516][ T781] do_syscall_64+0x4c/0xa0
[ 75.940917][ T781] ? clear_bhb_loop+0x30/0x80
[ 75.945600][ T781] ? clear_bhb_loop+0x30/0x80
[ 75.950300][ T781] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 75.956199][ T781] RIP: 0033:0x7f98c6f8d5fc
[ 75.960612][ T781] 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
[ 75.980395][ T781] RSP: 002b:00007f98c7db4030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 75.988823][ T781] RAX: ffffffffffffffda RBX: 00007f98c71c6090 RCX: 00007f98c6f8d5fc
[ 75.996832][ T781] RDX: 000000000000000f RSI: 00007f98c7db40a0 RDI: 0000000000000006
[ 76.004907][ T781] RBP: 00007f98c7db4090 R08: 0000000000000000 R09: 0000000000000000
[ 76.012905][ T781] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 76.020876][ T781] R13: 00007f98c71c6128 R14: 00007f98c71c6090 R15: 00007ffc18aa3a58
[ 76.028950][ T781]
[ 76.032071][ T783] CPU: 0 PID: 783 Comm: syz.4.117 Not tainted syzkaller #0
[ 76.039275][ T783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 76.049340][ T783] Call Trace:
[ 76.052618][ T783]
[ 76.055544][ T783] __dump_stack+0x21/0x24
[ 76.059889][ T783] dump_stack_lvl+0xee/0x150
[ 76.064485][ T783] ? __cfi_dump_stack_lvl+0x8/0x8
[ 76.069529][ T783] dump_stack+0x15/0x24
[ 76.073714][ T783] should_fail_ex+0x3d4/0x520
[ 76.078407][ T783] should_fail+0xb/0x10
[ 76.082572][ T783] should_fail_usercopy+0x1a/0x20
[ 76.087597][ T783] _copy_to_user+0x1e/0x90
[ 76.092020][ T783] simple_read_from_buffer+0xe9/0x160
[ 76.097400][ T783] proc_fail_nth_read+0x19a/0x210
[ 76.102519][ T783] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 76.108084][ T783] ? security_file_permission+0x94/0xb0
[ 76.113640][ T783] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 76.119198][ T783] vfs_read+0x26e/0x8c0
[ 76.123375][ T783] ? __cfi_vfs_read+0x10/0x10
[ 76.128042][ T783] ? __kasan_check_write+0x14/0x20
[ 76.133227][ T783] ? mutex_lock+0x8d/0x1a0
[ 76.137651][ T783] ? __cfi_mutex_lock+0x10/0x10
[ 76.142505][ T783] ? __fdget_pos+0x2cd/0x380
[ 76.147084][ T783] ? ksys_read+0x71/0x240
[ 76.151415][ T783] ksys_read+0x140/0x240
[ 76.155657][ T783] ? __cfi_ksys_read+0x10/0x10
[ 76.160423][ T783] ? debug_smp_processor_id+0x17/0x20
[ 76.165796][ T783] __x64_sys_read+0x7b/0x90
[ 76.170411][ T783] x64_sys_call+0x2f/0x9a0
[ 76.174907][ T783] do_syscall_64+0x4c/0xa0
[ 76.179310][ T783] ? clear_bhb_loop+0x30/0x80
[ 76.183988][ T783] ? clear_bhb_loop+0x30/0x80
[ 76.189030][ T783] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 76.194911][ T783] RIP: 0033:0x7ff685d8d5fc
[ 76.199309][ T783] 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
[ 76.218902][ T783] RSP: 002b:00007ff686c35030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 76.227314][ T783] RAX: ffffffffffffffda RBX: 00007ff685fc6090 RCX: 00007ff685d8d5fc
[ 76.235277][ T783] RDX: 000000000000000f RSI: 00007ff686c350a0 RDI: 0000000000000006
[ 76.243239][ T783] RBP: 00007ff686c35090 R08: 0000000000000000 R09: 0000000000000000
[ 76.251293][ T783] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 76.259275][ T783] R13: 00007ff685fc6128 R14: 00007ff685fc6090 R15: 00007ffd03a8dd98
[ 76.267330][ T783]
[ 76.270349][ T770] CPU: 1 PID: 770 Comm: syz.1.113 Not tainted syzkaller #0
[ 76.277648][ T770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 76.287694][ T770] Call Trace:
[ 76.290961][ T770]
[ 76.293875][ T770] __dump_stack+0x21/0x24
[ 76.298206][ T770] dump_stack_lvl+0xee/0x150
[ 76.302792][ T770] ? __cfi_dump_stack_lvl+0x8/0x8
[ 76.308076][ T770] dump_stack+0x15/0x24
[ 76.312267][ T770] should_fail_ex+0x3d4/0x520
[ 76.316929][ T770] __should_failslab+0xac/0xf0
[ 76.321679][ T770] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 76.327642][ T770] should_failslab+0x9/0x20
[ 76.332131][ T770] __kmem_cache_alloc_node+0x3d/0x2c0
[ 76.337491][ T770] ? __cfi_mutex_lock+0x10/0x10
[ 76.342334][ T770] ? delete_node+0x2f4/0xa60
[ 76.347098][ T770] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 76.353074][ T770] __kmalloc+0xa1/0x1e0
[ 76.357228][ T770] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 76.363290][ T770] tracepoint_probe_unregister+0x1e6/0x8b0
[ 76.369106][ T770] bpf_probe_unregister+0x61/0x70
[ 76.374312][ T770] bpf_raw_tp_link_release+0x63/0x90
[ 76.379595][ T770] bpf_link_free+0x13a/0x390
[ 76.384371][ T770] ? bpf_link_put_deferred+0x20/0x20
[ 76.389695][ T770] bpf_link_release+0x15f/0x170
[ 76.394562][ T770] ? __cfi_bpf_link_release+0x10/0x10
[ 76.400020][ T770] __fput+0x1fc/0x8f0
[ 76.403998][ T770] ____fput+0x15/0x20
[ 76.408060][ T770] task_work_run+0x1db/0x240
[ 76.412665][ T770] ? __cfi_task_work_run+0x10/0x10
[ 76.417782][ T770] ? filp_close+0x111/0x160
[ 76.422317][ T770] exit_to_user_mode_loop+0x9b/0xb0
[ 76.427512][ T770] exit_to_user_mode_prepare+0x5a/0xa0
[ 76.432954][ T770] syscall_exit_to_user_mode+0x1a/0x30
[ 76.438397][ T770] do_syscall_64+0x58/0xa0
[ 76.442809][ T770] ? clear_bhb_loop+0x30/0x80
[ 76.447476][ T770] ? clear_bhb_loop+0x30/0x80
[ 76.452135][ T770] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 76.458008][ T770] RIP: 0033:0x7f680db8ebe9
[ 76.467796][ T770] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 76.487404][ T770] RSP: 002b:00007f680eae8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 76.495925][ T770] RAX: 0000000000000000 RBX: 00007f680ddc5fa0 RCX: 00007f680db8ebe9
[ 76.503880][ T770] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 76.511840][ T770] RBP: 00007f680eae8090 R08: 0000000000000000 R09: 0000000000000000
[ 76.519797][ T770] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 76.527777][ T770] R13: 00007f680ddc6038 R14: 00007f680ddc5fa0 R15: 00007ffe5edf6868
[ 76.535747][ T770]
[ 76.557980][ T784] FAULT_INJECTION: forcing a failure.
[ 76.557980][ T784] name failslab, interval 1, probability 0, space 0, times 0
[ 76.570865][ T784] CPU: 1 PID: 784 Comm: syz.5.118 Not tainted syzkaller #0
[ 76.578091][ T784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 76.588151][ T784] Call Trace:
[ 76.591423][ T784]
[ 76.594342][ T784] __dump_stack+0x21/0x24
[ 76.598668][ T784] dump_stack_lvl+0xee/0x150
[ 76.603244][ T784] ? __cfi_dump_stack_lvl+0x8/0x8
[ 76.608261][ T784] dump_stack+0x15/0x24
[ 76.612441][ T784] should_fail_ex+0x3d4/0x520
[ 76.617114][ T784] __should_failslab+0xac/0xf0
[ 76.622054][ T784] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 76.628034][ T784] should_failslab+0x9/0x20
[ 76.632538][ T784] __kmem_cache_alloc_node+0x3d/0x2c0
[ 76.637928][ T784] ? __cfi_mutex_lock+0x10/0x10
[ 76.642780][ T784] ? delete_node+0x2f4/0xa60
[ 76.647364][ T784] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 76.653337][ T784] __kmalloc+0xa1/0x1e0
[ 76.657483][ T784] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 76.663538][ T784] tracepoint_probe_unregister+0x1e6/0x8b0
[ 76.669332][ T784] bpf_probe_unregister+0x61/0x70
[ 76.674342][ T784] bpf_raw_tp_link_release+0x63/0x90
[ 76.679696][ T784] bpf_link_free+0x13a/0x390
[ 76.684268][ T784] ? bpf_link_put_deferred+0x20/0x20
[ 76.689540][ T784] bpf_link_release+0x15f/0x170
[ 76.694370][ T784] ? __cfi_bpf_link_release+0x10/0x10
[ 76.699813][ T784] __fput+0x1fc/0x8f0
[ 76.703809][ T784] ____fput+0x15/0x20
[ 76.707857][ T784] task_work_run+0x1db/0x240
[ 76.712435][ T784] ? __cfi_task_work_run+0x10/0x10
[ 76.717534][ T784] ? filp_close+0x111/0x160
[ 76.722030][ T784] exit_to_user_mode_loop+0x9b/0xb0
[ 76.727218][ T784] exit_to_user_mode_prepare+0x5a/0xa0
[ 76.732663][ T784] syscall_exit_to_user_mode+0x1a/0x30
[ 76.738115][ T784] do_syscall_64+0x58/0xa0
[ 76.742514][ T784] ? clear_bhb_loop+0x30/0x80
[ 76.747178][ T784] ? clear_bhb_loop+0x30/0x80
[ 76.751852][ T784] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 76.757776][ T784] RIP: 0033:0x7efd2b18ebe9
[ 76.762178][ T784] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 76.781935][ T784] RSP: 002b:00007efd2bfcd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 76.790433][ T784] RAX: 0000000000000000 RBX: 00007efd2b3c5fa0 RCX: 00007efd2b18ebe9
[ 76.798391][ T784] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 76.806351][ T784] RBP: 00007efd2bfcd090 R08: 0000000000000000 R09: 0000000000000000
[ 76.814324][ T784] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 76.822378][ T784] R13: 00007efd2b3c6038 R14: 00007efd2b3c5fa0 R15: 00007ffda9db5758
[ 76.830350][ T784]
[ 76.835174][ T788] FAULT_INJECTION: forcing a failure.
[ 76.835174][ T788] name failslab, interval 1, probability 0, space 0, times 0
[ 76.848495][ T788] CPU: 1 PID: 788 Comm: syz.1.120 Not tainted syzkaller #0
[ 76.855717][ T788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 76.865792][ T788] Call Trace:
[ 76.869074][ T788]
[ 76.872138][ T788] __dump_stack+0x21/0x24
[ 76.876491][ T788] dump_stack_lvl+0xee/0x150
[ 76.881092][ T788] ? __cfi_dump_stack_lvl+0x8/0x8
[ 76.886145][ T788] dump_stack+0x15/0x24
[ 76.890319][ T788] should_fail_ex+0x3d4/0x520
[ 76.895061][ T788] __should_failslab+0xac/0xf0
[ 76.899849][ T788] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 76.905950][ T788] should_failslab+0x9/0x20
[ 76.910481][ T788] __kmem_cache_alloc_node+0x3d/0x2c0
[ 76.915868][ T788] ? __cfi_mutex_lock+0x10/0x10
[ 76.920742][ T788] ? delete_node+0x2f4/0xa60
[ 76.925365][ T788] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 76.931440][ T788] __kmalloc+0xa1/0x1e0
[ 76.935612][ T788] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 76.941697][ T788] tracepoint_probe_unregister+0x1e6/0x8b0
[ 76.947596][ T788] bpf_probe_unregister+0x61/0x70
[ 76.952616][ T788] bpf_raw_tp_link_release+0x63/0x90
[ 76.957890][ T788] bpf_link_free+0x13a/0x390
[ 76.962475][ T788] ? bpf_link_put_deferred+0x20/0x20
[ 76.967765][ T788] bpf_link_release+0x15f/0x170
[ 76.972620][ T788] ? __cfi_bpf_link_release+0x10/0x10
[ 76.977996][ T788] __fput+0x1fc/0x8f0
[ 76.981981][ T788] ____fput+0x15/0x20
[ 76.986096][ T788] task_work_run+0x1db/0x240
[ 76.990799][ T788] ? __cfi_task_work_run+0x10/0x10
[ 76.995908][ T788] ? filp_close+0x111/0x160
[ 77.000415][ T788] exit_to_user_mode_loop+0x9b/0xb0
[ 77.005638][ T788] exit_to_user_mode_prepare+0x5a/0xa0
[ 77.011210][ T788] syscall_exit_to_user_mode+0x1a/0x30
[ 77.016691][ T788] do_syscall_64+0x58/0xa0
[ 77.021119][ T788] ? clear_bhb_loop+0x30/0x80
[ 77.025793][ T788] ? clear_bhb_loop+0x30/0x80
[ 77.030463][ T788] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 77.036344][ T788] RIP: 0033:0x7f680db8ebe9
[ 77.040747][ T788] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 77.060436][ T788] RSP: 002b:00007f680eae8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 77.068847][ T788] RAX: 0000000000000000 RBX: 00007f680ddc5fa0 RCX: 00007f680db8ebe9
[ 77.076817][ T788] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 77.084879][ T788] RBP: 00007f680eae8090 R08: 0000000000000000 R09: 0000000000000000
[ 77.092959][ T788] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 77.100944][ T788] R13: 00007f680ddc6038 R14: 00007f680ddc5fa0 R15: 00007ffe5edf6868
[ 77.108962][ T788]
[ 77.114035][ T793] FAULT_INJECTION: forcing a failure.
[ 77.114035][ T793] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 77.127490][ T793] CPU: 1 PID: 793 Comm: syz.2.119 Not tainted syzkaller #0
[ 77.134706][ T793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 77.144759][ T793] Call Trace:
[ 77.148072][ T793]
[ 77.151000][ T793] __dump_stack+0x21/0x24
[ 77.155332][ T793] dump_stack_lvl+0xee/0x150
[ 77.159921][ T793] ? __cfi_dump_stack_lvl+0x8/0x8
[ 77.164994][ T793] dump_stack+0x15/0x24
[ 77.169133][ T793] should_fail_ex+0x3d4/0x520
[ 77.173814][ T793] should_fail+0xb/0x10
[ 77.177958][ T793] should_fail_usercopy+0x1a/0x20
[ 77.182982][ T793] _copy_to_user+0x1e/0x90
[ 77.187442][ T793] simple_read_from_buffer+0xe9/0x160
[ 77.192839][ T793] proc_fail_nth_read+0x19a/0x210
[ 77.197862][ T793] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 77.203395][ T793] ? security_file_permission+0x94/0xb0
[ 77.208950][ T793] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 77.214478][ T793] vfs_read+0x26e/0x8c0
[ 77.218627][ T793] ? __cfi_vfs_read+0x10/0x10
[ 77.223377][ T793] ? __kasan_check_write+0x14/0x20
[ 77.228484][ T793] ? mutex_lock+0x8d/0x1a0
[ 77.232916][ T793] ? __cfi_mutex_lock+0x10/0x10
[ 77.237757][ T793] ? __fdget_pos+0x2cd/0x380
[ 77.242329][ T793] ? ksys_read+0x71/0x240
[ 77.246642][ T793] ksys_read+0x140/0x240
[ 77.250867][ T793] ? __cfi_ksys_read+0x10/0x10
[ 77.255641][ T793] ? debug_smp_processor_id+0x17/0x20
[ 77.260997][ T793] __x64_sys_read+0x7b/0x90
[ 77.265508][ T793] x64_sys_call+0x2f/0x9a0
[ 77.269995][ T793] do_syscall_64+0x4c/0xa0
[ 77.274399][ T793] ? clear_bhb_loop+0x30/0x80
[ 77.279060][ T793] ? clear_bhb_loop+0x30/0x80
[ 77.283827][ T793] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 77.289728][ T793] RIP: 0033:0x7f52df58d5fc
[ 77.294236][ T793] 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
[ 77.313922][ T793] RSP: 002b:00007f52e0408030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 77.322597][ T793] RAX: ffffffffffffffda RBX: 00007f52df7c6090 RCX: 00007f52df58d5fc
[ 77.330586][ T793] RDX: 000000000000000f RSI: 00007f52e04080a0 RDI: 0000000000000006
[ 77.338754][ T793] RBP: 00007f52e0408090 R08: 0000000000000000 R09: 0000000000000000
[ 77.346722][ T793] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 77.354856][ T793] R13: 00007f52df7c6128 R14: 00007f52df7c6090 R15: 00007fff6be1ce28
[ 77.362842][ T793]
[ 77.366808][ T794] FAULT_INJECTION: forcing a failure.
[ 77.366808][ T794] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 77.380290][ T794] CPU: 1 PID: 794 Comm: syz.0.121 Not tainted syzkaller #0
[ 77.387626][ T794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 77.397861][ T794] Call Trace:
[ 77.401150][ T794]
[ 77.404146][ T794] __dump_stack+0x21/0x24
[ 77.408685][ T794] dump_stack_lvl+0xee/0x150
[ 77.413265][ T794] ? __cfi_dump_stack_lvl+0x8/0x8
[ 77.418352][ T794] dump_stack+0x15/0x24
[ 77.422514][ T794] should_fail_ex+0x3d4/0x520
[ 77.427191][ T794] should_fail+0xb/0x10
[ 77.431340][ T794] should_fail_usercopy+0x1a/0x20
[ 77.436646][ T794] _copy_to_user+0x1e/0x90
[ 77.441056][ T794] simple_read_from_buffer+0xe9/0x160
[ 77.446419][ T794] proc_fail_nth_read+0x19a/0x210
[ 77.451438][ T794] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 77.456978][ T794] ? security_file_permission+0x94/0xb0
[ 77.462527][ T794] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 77.468055][ T794] vfs_read+0x26e/0x8c0
[ 77.472226][ T794] ? __cfi_vfs_read+0x10/0x10
[ 77.476992][ T794] ? __kasan_check_write+0x14/0x20
[ 77.482145][ T794] ? mutex_lock+0x8d/0x1a0
[ 77.486548][ T794] ? __cfi_mutex_lock+0x10/0x10
[ 77.491380][ T794] ? __fdget_pos+0x2cd/0x380
[ 77.495951][ T794] ? ksys_read+0x71/0x240
[ 77.500264][ T794] ksys_read+0x140/0x240
[ 77.504503][ T794] ? __cfi_ksys_read+0x10/0x10
[ 77.509279][ T794] ? debug_smp_processor_id+0x17/0x20
[ 77.514649][ T794] __x64_sys_read+0x7b/0x90
[ 77.519146][ T794] x64_sys_call+0x2f/0x9a0
[ 77.523561][ T794] do_syscall_64+0x4c/0xa0
[ 77.527966][ T794] ? clear_bhb_loop+0x30/0x80
[ 77.532720][ T794] ? clear_bhb_loop+0x30/0x80
[ 77.537415][ T794] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 77.543303][ T794] RIP: 0033:0x7f98c6f8d5fc
[ 77.547791][ T794] 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
[ 77.567728][ T794] RSP: 002b:00007f98c7db4030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 77.576150][ T794] RAX: ffffffffffffffda RBX: 00007f98c71c6090 RCX: 00007f98c6f8d5fc
[ 77.584213][ T794] RDX: 000000000000000f RSI: 00007f98c7db40a0 RDI: 0000000000000006
[ 77.592201][ T794] RBP: 00007f98c7db4090 R08: 0000000000000000 R09: 0000000000000000
[ 77.600244][ T794] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 77.608201][ T794] R13: 00007f98c71c6128 R14: 00007f98c71c6090 R15: 00007ffc18aa3a58
[ 77.616253][ T794]
[ 77.620867][ T792] FAULT_INJECTION: forcing a failure.
[ 77.620867][ T792] name failslab, interval 1, probability 0, space 0, times 0
[ 77.633568][ T792] CPU: 0 PID: 792 Comm: syz.5.122 Not tainted syzkaller #0
[ 77.640771][ T792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 77.650818][ T792] Call Trace:
[ 77.654089][ T792]
[ 77.657011][ T792] __dump_stack+0x21/0x24
[ 77.661457][ T792] dump_stack_lvl+0xee/0x150
[ 77.666076][ T792] ? __cfi_dump_stack_lvl+0x8/0x8
[ 77.671137][ T792] dump_stack+0x15/0x24
[ 77.675301][ T792] should_fail_ex+0x3d4/0x520
[ 77.680023][ T792] __should_failslab+0xac/0xf0
[ 77.684893][ T792] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 77.690894][ T792] should_failslab+0x9/0x20
[ 77.695585][ T792] __kmem_cache_alloc_node+0x3d/0x2c0
[ 77.700986][ T792] ? __cfi_mutex_lock+0x10/0x10
[ 77.705849][ T792] ? delete_node+0x2f4/0xa60
[ 77.710459][ T792] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 77.716437][ T792] __kmalloc+0xa1/0x1e0
[ 77.720599][ T792] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 77.726775][ T792] tracepoint_probe_unregister+0x1e6/0x8b0
[ 77.732598][ T792] bpf_probe_unregister+0x61/0x70
[ 77.737618][ T792] bpf_raw_tp_link_release+0x63/0x90
[ 77.742978][ T792] bpf_link_free+0x13a/0x390
[ 77.747572][ T792] ? bpf_link_put_deferred+0x20/0x20
[ 77.752841][ T792] bpf_link_release+0x15f/0x170
[ 77.757690][ T792] ? __cfi_bpf_link_release+0x10/0x10
[ 77.763044][ T792] __fput+0x1fc/0x8f0
[ 77.767037][ T792] ____fput+0x15/0x20
[ 77.771009][ T792] task_work_run+0x1db/0x240
[ 77.775594][ T792] ? __cfi_task_work_run+0x10/0x10
[ 77.780772][ T792] ? filp_close+0x111/0x160
[ 77.785284][ T792] exit_to_user_mode_loop+0x9b/0xb0
[ 77.790472][ T792] exit_to_user_mode_prepare+0x5a/0xa0
[ 77.795940][ T792] syscall_exit_to_user_mode+0x1a/0x30
[ 77.801382][ T792] do_syscall_64+0x58/0xa0
[ 77.805780][ T792] ? clear_bhb_loop+0x30/0x80
[ 77.810455][ T792] ? clear_bhb_loop+0x30/0x80
[ 77.815119][ T792] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 77.821009][ T792] RIP: 0033:0x7efd2b18ebe9
[ 77.825443][ T792] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 77.845131][ T792] RSP: 002b:00007efd2bfcd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 77.853531][ T792] RAX: 0000000000000000 RBX: 00007efd2b3c5fa0 RCX: 00007efd2b18ebe9
[ 77.861486][ T792] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 77.869437][ T792] RBP: 00007efd2bfcd090 R08: 0000000000000000 R09: 0000000000000000
[ 77.877394][ T792] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 77.885358][ T792] R13: 00007efd2b3c6038 R14: 00007efd2b3c5fa0 R15: 00007ffda9db5758
[ 77.893405][ T792]
[ 77.898287][ T799] FAULT_INJECTION: forcing a failure.
[ 77.898287][ T799] name failslab, interval 1, probability 0, space 0, times 0
[ 77.917046][ T799] CPU: 0 PID: 799 Comm: syz.4.124 Not tainted syzkaller #0
[ 77.924363][ T799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 77.934404][ T799] Call Trace:
[ 77.937667][ T799]
[ 77.940619][ T799] __dump_stack+0x21/0x24
[ 77.945024][ T799] dump_stack_lvl+0xee/0x150
[ 77.949611][ T799] ? __cfi_dump_stack_lvl+0x8/0x8
[ 77.954616][ T799] ? call_rcu+0xb83/0xf90
[ 77.958928][ T799] dump_stack+0x15/0x24
[ 77.963059][ T799] should_fail_ex+0x3d4/0x520
[ 77.967793][ T799] __should_failslab+0xac/0xf0
[ 77.972655][ T799] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 77.978649][ T799] should_failslab+0x9/0x20
[ 77.983151][ T799] __kmem_cache_alloc_node+0x3d/0x2c0
[ 77.988749][ T799] ? __cfi_mutex_lock+0x10/0x10
[ 77.993612][ T799] ? delete_node+0x2b3/0xa60
[ 77.998213][ T799] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 78.004179][ T799] __kmalloc+0xa1/0x1e0
[ 78.008319][ T799] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 78.014454][ T799] tracepoint_probe_unregister+0x1e6/0x8b0
[ 78.020238][ T799] bpf_probe_unregister+0x61/0x70
[ 78.025315][ T799] bpf_raw_tp_link_release+0x63/0x90
[ 78.030697][ T799] bpf_link_free+0x13a/0x390
[ 78.035311][ T799] ? bpf_link_put_deferred+0x20/0x20
[ 78.040682][ T799] bpf_link_release+0x15f/0x170
[ 78.045514][ T799] ? __cfi_bpf_link_release+0x10/0x10
[ 78.050887][ T799] __fput+0x1fc/0x8f0
[ 78.054852][ T799] ____fput+0x15/0x20
[ 78.058830][ T799] task_work_run+0x1db/0x240
[ 78.063403][ T799] ? __cfi_task_work_run+0x10/0x10
[ 78.068492][ T799] ? filp_close+0x111/0x160
[ 78.072986][ T799] exit_to_user_mode_loop+0x9b/0xb0
[ 78.078183][ T799] exit_to_user_mode_prepare+0x5a/0xa0
[ 78.083640][ T799] syscall_exit_to_user_mode+0x1a/0x30
[ 78.089139][ T799] do_syscall_64+0x58/0xa0
[ 78.093541][ T799] ? clear_bhb_loop+0x30/0x80
[ 78.098198][ T799] ? clear_bhb_loop+0x30/0x80
[ 78.102860][ T799] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 78.108765][ T799] RIP: 0033:0x7ff685d8ebe9
[ 78.113273][ T799] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 78.132893][ T799] RSP: 002b:00007ff686c56038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 78.141414][ T799] RAX: 0000000000000000 RBX: 00007ff685fc5fa0 RCX: 00007ff685d8ebe9
[ 78.149367][ T799] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 78.157325][ T799] RBP: 00007ff686c56090 R08: 0000000000000000 R09: 0000000000000000
[ 78.165285][ T799] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 78.173245][ T799] R13: 00007ff685fc6038 R14: 00007ff685fc5fa0 R15: 00007ffd03a8dd98
[ 78.181227][ T799]
[ 78.186071][ T797] FAULT_INJECTION: forcing a failure.
[ 78.186071][ T797] name failslab, interval 1, probability 0, space 0, times 0
[ 78.199662][ T797] CPU: 1 PID: 797 Comm: syz.1.123 Not tainted syzkaller #0
[ 78.206896][ T797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 78.217028][ T797] Call Trace:
[ 78.220288][ T797]
[ 78.223221][ T797] __dump_stack+0x21/0x24
[ 78.227536][ T797] dump_stack_lvl+0xee/0x150
[ 78.232236][ T797] ? __cfi_dump_stack_lvl+0x8/0x8
[ 78.237242][ T797] dump_stack+0x15/0x24
[ 78.241377][ T797] should_fail_ex+0x3d4/0x520
[ 78.246066][ T797] __should_failslab+0xac/0xf0
[ 78.250847][ T797] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 78.256831][ T797] should_failslab+0x9/0x20
[ 78.261329][ T797] __kmem_cache_alloc_node+0x3d/0x2c0
[ 78.266688][ T797] ? __cfi_mutex_lock+0x10/0x10
[ 78.271608][ T797] ? delete_node+0x2f4/0xa60
[ 78.276179][ T797] ? tracepoint_probe_unregister+0x1e6/0x8b0
[ 78.282155][ T797] __kmalloc+0xa1/0x1e0
[ 78.286298][ T797] ? __cfi___bpf_trace_neigh_update+0x10/0x10
[ 78.292374][ T797] tracepoint_probe_unregister+0x1e6/0x8b0
[ 78.298166][ T797] bpf_probe_unregister+0x61/0x70
[ 78.303191][ T797] bpf_raw_tp_link_release+0x63/0x90
[ 78.308629][ T797] bpf_link_free+0x13a/0x390
[ 78.313201][ T797] ? bpf_link_put_deferred+0x20/0x20
[ 78.318577][ T797] bpf_link_release+0x15f/0x170
[ 78.323403][ T797] ? __cfi_bpf_link_release+0x10/0x10
[ 78.328854][ T797] __fput+0x1fc/0x8f0
[ 78.333085][ T797] ____fput+0x15/0x20
[ 78.337139][ T797] task_work_run+0x1db/0x240
[ 78.341813][ T797] ? __cfi_task_work_run+0x10/0x10
[ 78.346933][ T797] ? filp_close+0x111/0x160
[ 78.351509][ T797] exit_to_user_mode_loop+0x9b/0xb0
[ 78.356708][ T797] exit_to_user_mode_prepare+0x5a/0xa0
[ 78.362182][ T797] syscall_exit_to_user_mode+0x1a/0x30
[ 78.367638][ T797] do_syscall_64+0x58/0xa0
[ 78.372041][ T797] ? clear_bhb_loop+0x30/0x80
[ 78.376839][ T797] ? clear_bhb_loop+0x30/0x80
[ 78.381523][ T797] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 78.387682][ T797] RIP: 0033:0x7f680db8ebe9
[ 78.392125][ T797] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 78.411717][ T797] RSP: 002b:00007f680eae8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 78.420224][ T797] RAX: 0000000000000000 RBX: 00007f680ddc5fa0 RCX: 00007f680db8ebe9
[ 78.428175][ T797] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
[ 78.436144][ T797] RBP: 00007f680eae8090 R08: 0000000000000000 R09: 0000000000000000
[ 78.444095][ T797] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 78.452069][ T797] R13: 00007f680ddc6038 R14: 00007f680ddc5fa0 R15: 00007ffe5edf6868
[ 78.460035][ T797]
[ 78.463690][ C1] CFI failure at __traceiter_neigh_update+0x9d/0xf0 (target: 0xffffc90000187370; expected type: 0xcdd4cfdd)
[ 78.475252][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 78.481327][ C1] CPU: 1 PID: 23 Comm: ksoftirqd/1 Not tainted syzkaller #0
[ 78.488640][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 78.498686][ C1] RIP: 0010:__traceiter_neigh_update+0x9d/0xf0
[ 78.504842][ C1] Code: 05 e8 87 41 b9 fd 49 8b 7e 08 48 8b 75 c8 48 8b 55 c0 44 89 e9 44 8b 45 d4 44 8b 4d d0 41 ba 23 30 2b 32 45 03 54 24 fc 74 02 <0f> 0b 41 ff d4 48 83 c3 18 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74
[ 78.524452][ C1] RSP: 0018:ffffc90000187370 EFLAGS: 00010282
[ 78.530511][ C1] RAX: 1ffff1102184d969 RBX: ffff88810c26cb40 RCX: 0000000000000004
[ 78.538472][ C1] RDX: ffff8881326d9856 RSI: ffff88811087dc00 RDI: ffffc90003c71000
[ 78.546436][ C1] RBP: ffffc900001873b0 R08: 0000000000000001 R09: 0000000000000000
[ 78.554410][ C1] R10: 00000000d76b972f R11: 0000000000000100 R12: ffffffff817125b0
[ 78.562378][ C1] R13: 0000000000000004 R14: ffff88810c26cb40 R15: dffffc0000000000
[ 78.570350][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 78.579278][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 78.585858][ C1] CR2: 0000000000000000 CR3: 000000012c8cf000 CR4: 00000000003506a0
[ 78.593839][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 78.601804][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 78.609870][ C1] Call Trace:
[ 78.613132][ C1]
[ 78.616047][ C1] __neigh_update+0x1f4b/0x2080
[ 78.620886][ C1] ? neigh_lookup+0x34e/0x410
[ 78.625548][ C1] ? __cfi_arp_key_eq+0x10/0x10
[ 78.630653][ C1] ? __cfi_neigh_lookup+0x10/0x10
[ 78.635795][ C1] neigh_event_ns+0xb3/0x120
[ 78.640386][ C1] arp_process+0x119c/0x1920
[ 78.644969][ C1] ? __cfi_arp_process+0x10/0x10
[ 78.649929][ C1] ? __cfi_packet_rcv+0x10/0x10
[ 78.654765][ C1] ? __netif_receive_skb_core+0x2d0e/0x34a0
[ 78.660642][ C1] ? __cfi_arp_process+0x10/0x10
[ 78.665574][ C1] NF_HOOK+0x14d/0x1a0
[ 78.669650][ C1] ? __cfi_arp_process+0x10/0x10
[ 78.674587][ C1] ? arp_xmit+0x1d0/0x1d0
[ 78.678916][ C1] ? qdisc_run+0x240/0x240
[ 78.683376][ C1] ? __kasan_check_read+0x11/0x20
[ 78.688419][ C1] arp_rcv+0x2ef/0x480
[ 78.692512][ C1] ? __cfi_arp_rcv+0x10/0x10
[ 78.697085][ C1] __netif_receive_skb_list_core+0x713/0x770
[ 78.703062][ C1] ? set_rps_cpu+0x5e0/0x5e0
[ 78.707648][ C1] ? receive_buf+0x22e2/0x4760
[ 78.712424][ C1] netif_receive_skb_list_internal+0x7d2/0xa60
[ 78.718590][ C1] ? __cfi_netif_receive_skb_list_internal+0x10/0x10
[ 78.725261][ C1] ? detach_buf_split+0x882/0xa80
[ 78.730366][ C1] napi_complete_done+0x36f/0x790
[ 78.735383][ C1] ? __cfi_napi_complete_done+0x10/0x10
[ 78.740919][ C1] ? virtqueue_enable_cb_prepare+0x22e/0x510
[ 78.747072][ C1] virtnet_poll+0x991/0x1150
[ 78.751742][ C1] ? __cfi_virtnet_poll+0x10/0x10
[ 78.756751][ C1] __napi_poll+0xd0/0x5e0
[ 78.761063][ C1] net_rx_action+0x49b/0xaa0
[ 78.765657][ C1] ? __cfi_net_rx_action+0x10/0x10
[ 78.770792][ C1] ? __schedule+0xb8f/0x14e0
[ 78.775377][ C1] ? irqtime_account_irq+0x75/0x240
[ 78.780569][ C1] handle_softirqs+0x1d7/0x600
[ 78.785325][ C1] ? __cfi_run_ksoftirqd+0x10/0x10
[ 78.790532][ C1] run_ksoftirqd+0x28/0x30
[ 78.795041][ C1] smpboot_thread_fn+0x4a0/0x910
[ 78.799973][ C1] kthread+0x281/0x320
[ 78.804033][ C1] ? __cfi_smpboot_thread_fn+0x10/0x10
[ 78.809585][ C1] ? __cfi_kthread+0x10/0x10
[ 78.814177][ C1] ret_from_fork+0x1f/0x30
[ 78.818660][ C1]
[ 78.821687][ C1] Modules linked in:
[ 78.825654][ C1] ---[ end trace 0000000000000000 ]---
[ 78.831155][ C1] RIP: 0010:__traceiter_neigh_update+0x9d/0xf0
[ 78.837395][ C1] Code: 05 e8 87 41 b9 fd 49 8b 7e 08 48 8b 75 c8 48 8b 55 c0 44 89 e9 44 8b 45 d4 44 8b 4d d0 41 ba 23 30 2b 32 45 03 54 24 fc 74 02 <0f> 0b 41 ff d4 48 83 c3 18 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74
[ 78.857030][ C1] RSP: 0018:ffffc90000187370 EFLAGS: 00010282
[ 78.863150][ C1] RAX: 1ffff1102184d969 RBX: ffff88810c26cb40 RCX: 0000000000000004
[ 78.868825][ T812] FAULT_INJECTION: forcing a failure.
[ 78.868825][ T812] name fail_usercopy, interval 1, probability 0, space 0, times 0
[ 78.871154][ C1] RDX: ffff8881326d9856 RSI: ffff88811087dc00 RDI: ffffc90003c71000
[ 78.884468][ T812] CPU: 0 PID: 812 Comm: syz.5.126 Tainted: G D syzkaller #0
[ 78.892303][ C1] RBP: ffffc900001873b0 R08: 0000000000000001 R09: 0000000000000000
[ 78.900937][ T812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 78.900948][ T812] Call Trace:
[ 78.900955][ T812]
[ 78.908992][ C1] R10: 00000000d76b972f R11: 0000000000000100 R12: ffffffff817125b0
[ 78.919014][ T812] __dump_stack+0x21/0x24
[ 78.919051][ T812] dump_stack_lvl+0xee/0x150
[ 78.922316][ C1] R13: 0000000000000004 R14: ffff88810c26cb40 R15: dffffc0000000000
[ 78.925228][ T812] ? __cfi_dump_stack_lvl+0x8/0x8
[ 78.933283][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 78.937568][ T812] dump_stack+0x15/0x24
[ 78.937586][ T812] should_fail_ex+0x3d4/0x520
[ 78.942153][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 78.950108][ T812] should_fail+0xb/0x10
[ 78.950134][ T812] should_fail_usercopy+0x1a/0x20
[ 78.955141][ C1] CR2: 0000000000000000 CR3: 0000000006e0f000 CR4: 00000000003506a0
[ 78.964060][ T812] _copy_to_user+0x1e/0x90
[ 78.964086][ T812] simple_read_from_buffer+0xe9/0x160
[ 78.968241][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 78.972888][ T812] proc_fail_nth_read+0x19a/0x210
[ 78.979484][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 78.983613][ T812] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 78.988951][ C1] Kernel panic - not syncing: Fatal exception in interrupt
[ 78.996869][ T812] ? security_file_permission+0x94/0xb0
[ 78.996902][ T812] ? __cfi_proc_fail_nth_read+0x10/0x10
[ 78.996918][ T812] vfs_read+0x26e/0x8c0
[ 78.996941][ T812] ? __cfi_vfs_read+0x10/0x10
[ 78.996960][ T812] ? __kasan_check_write+0x14/0x20
[ 78.996981][ T812] ? mutex_lock+0x8d/0x1a0
[ 78.996999][ T812] ? __cfi_mutex_lock+0x10/0x10
[ 78.997017][ T812] ? __fdget_pos+0x2cd/0x380
[ 78.997032][ T812] ? ksys_read+0x71/0x240
[ 78.997051][ T812] ksys_read+0x140/0x240
[ 78.997072][ T812] ? __cfi_ksys_read+0x10/0x10
[ 78.997092][ T812] ? debug_smp_processor_id+0x17/0x20
[ 78.997113][ T812] __x64_sys_read+0x7b/0x90
[ 78.997133][ T812] x64_sys_call+0x2f/0x9a0
[ 78.997150][ T812] do_syscall_64+0x4c/0xa0
[ 78.997165][ T812] ? clear_bhb_loop+0x30/0x80
[ 78.997183][ T812] ? clear_bhb_loop+0x30/0x80
[ 78.997200][ T812] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 78.997218][ T812] RIP: 0033:0x7efd2b18d5fc
[ 78.997234][ T812] 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
[ 78.997249][ T812] RSP: 002b:00007efd2bfac030 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 78.997269][ T812] RAX: ffffffffffffffda RBX: 00007efd2b3c6090 RCX: 00007efd2b18d5fc
[ 78.997282][ T812] RDX: 000000000000000f RSI: 00007efd2bfac0a0 RDI: 0000000000000006
[ 78.997294][ T812] RBP: 00007efd2bfac090 R08: 0000000000000000 R09: 0000000000000000
[ 78.997305][ T812] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 78.997316][ T812] R13: 00007efd2b3c6128 R14: 00007efd2b3c6090 R15: 00007ffda9db5758
[ 78.997332][ T812]
[ 78.997626][ C1] Kernel Offset: disabled
[ 79.207298][ C1] Rebooting in 86400 seconds..