ail_nth_read+0x1a6/0x220 [ 109.915846][ T1056] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 109.922872][ T1056] ? security_file_permission+0x94/0xb0 [ 109.928700][ T1056] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 109.934528][ T1056] vfs_read+0x27a/0x910 [ 109.938996][ T1056] ? __cfi_vfs_read+0x10/0x10 [ 109.943718][ T1056] ? __kasan_check_write+0x14/0x20 [ 109.948836][ T1056] ? mutex_lock+0x93/0x1b0 [ 109.953868][ T1056] ? __cfi_mutex_lock+0x10/0x10 [ 109.958820][ T1056] ? __fdget_pos+0x2cd/0x380 [ 109.963432][ T1056] ? ksys_read+0x71/0x250 [ 109.967927][ T1056] ksys_read+0x149/0x250 [ 109.972168][ T1056] ? __cfi_ksys_read+0x10/0x10 [ 109.977011][ T1056] ? debug_smp_processor_id+0x17/0x20 [ 109.982504][ T1056] __x64_sys_read+0x7b/0x90 [ 109.987174][ T1056] x64_sys_call+0x2f/0x9a0 [ 109.991591][ T1056] do_syscall_64+0x4c/0xa0 [ 109.996058][ T1056] ? clear_bhb_loop+0x30/0x80 [ 110.001016][ T1056] ? clear_bhb_loop+0x30/0x80 [ 110.005894][ T1056] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 110.012240][ T1056] RIP: 0033:0x7fe84375ac4e [ 110.016657][ T1056] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 110.037334][ T1056] RSP: 002b:00007fe8445e3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 110.046024][ T1056] RAX: ffffffffffffffda RBX: 00007fe8445e46c0 RCX: 00007fe84375ac4e [ 110.054012][ T1056] RDX: 000000000000000f RSI: 00007fe8445e40a0 RDI: 0000000000000006 [ 110.062256][ T1056] RBP: 00007fe8445e4090 R08: 0000000000000000 R09: 0000000000000000 [ 110.070225][ T1056] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 110.078193][ T1056] R13: 00007fe8439e6128 R14: 00007fe8439e6090 R15: 00007ffce000fd08 [ 110.086343][ T1056] [ 110.089999][ T1055] CPU: 0 PID: 1055 Comm: syz.3.244 Not tainted syzkaller #0 [ 110.097315][ T1055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 110.108058][ T1055] Call Trace: [ 110.111331][ T1055] [ 110.114297][ T1055] __dump_stack+0x21/0x24 [ 110.118637][ T1055] dump_stack_lvl+0x110/0x170 [ 110.123304][ T1055] ? __cfi_dump_stack_lvl+0x8/0x8 [ 110.128319][ T1055] ? unwind_get_return_address+0x4d/0x90 [ 110.133939][ T1055] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 110.140140][ T1055] dump_stack+0x15/0x24 [ 110.144300][ T1055] should_fail_ex+0x3d4/0x520 [ 110.148990][ T1055] __should_failslab+0xac/0xf0 [ 110.153791][ T1055] ? tracepoint_probe_unregister+0x211/0x8e0 [ 110.159860][ T1055] should_failslab+0x9/0x20 [ 110.164404][ T1055] __kmem_cache_alloc_node+0x3d/0x2c0 [ 110.169782][ T1055] ? __cfi_mutex_lock+0x10/0x10 [ 110.174640][ T1055] ? delete_node+0x2f4/0xa60 [ 110.179310][ T1055] ? tracepoint_probe_unregister+0x211/0x8e0 [ 110.185295][ T1055] __kmalloc+0xa1/0x1e0 [ 110.189719][ T1055] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 110.196091][ T1055] tracepoint_probe_unregister+0x211/0x8e0 [ 110.201907][ T1055] bpf_probe_unregister+0x61/0x70 [ 110.206944][ T1055] bpf_raw_tp_link_release+0x63/0x90 [ 110.212478][ T1055] bpf_link_free+0x13a/0x3a0 [ 110.217147][ T1055] ? bpf_link_put_deferred+0x20/0x20 [ 110.222876][ T1055] bpf_link_release+0x15f/0x170 [ 110.227898][ T1055] ? __cfi_bpf_link_release+0x10/0x10 [ 110.233333][ T1055] __fput+0x1fc/0x8f0 [ 110.237691][ T1055] ____fput+0x15/0x20 [ 110.241791][ T1055] task_work_run+0x1e1/0x250 [ 110.247446][ T1055] ? __cfi_task_work_run+0x10/0x10 [ 110.253742][ T1055] ? fput+0x15b/0x1a0 [ 110.257788][ T1055] exit_to_user_mode_loop+0x9b/0xb0 [ 110.263083][ T1055] exit_to_user_mode_prepare+0x87/0xd0 [ 110.268724][ T1055] syscall_exit_to_user_mode+0x1a/0x30 [ 110.274439][ T1055] do_syscall_64+0x58/0xa0 [ 110.278874][ T1055] ? clear_bhb_loop+0x30/0x80 [ 110.283995][ T1055] ? clear_bhb_loop+0x30/0x80 [ 110.289063][ T1055] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 110.295056][ T1055] RIP: 0033:0x7f1fa359a379 [ 110.299557][ T1055] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 110.319753][ T1055] RSP: 002b:00007f1fa4478028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 110.328163][ T1055] RAX: 0000000000000000 RBX: 00007f1fa37e5fa0 RCX: 00007f1fa359a379 [ 110.336140][ T1055] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 110.344252][ T1055] RBP: 00007f1fa4478090 R08: 0000000000000000 R09: 0000000000000000 [ 110.352420][ T1055] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 110.360477][ T1055] R13: 00007f1fa37e6038 R14: 00007f1fa37e5fa0 R15: 00007ffe043d8638 [ 110.368817][ T1055] [ 110.372828][ T1053] FAULT_INJECTION: forcing a failure. [ 110.372828][ T1053] name failslab, interval 1, probability 0, space 0, times 0 [ 110.385969][ T1053] CPU: 0 PID: 1053 Comm: syz.4.245 Not tainted syzkaller #0 [ 110.393533][ T1053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 110.403932][ T1053] Call Trace: [ 110.409272][ T1053] [ 110.413086][ T1053] __dump_stack+0x21/0x24 [ 110.417524][ T1053] dump_stack_lvl+0x110/0x170 [ 110.422303][ T1053] ? __cfi_dump_stack_lvl+0x8/0x8 [ 110.427343][ T1053] ? unwind_get_return_address+0x4d/0x90 [ 110.433153][ T1053] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 110.439347][ T1053] dump_stack+0x15/0x24 [ 110.443515][ T1053] should_fail_ex+0x3d4/0x520 [ 110.448464][ T1053] __should_failslab+0xac/0xf0 [ 110.453252][ T1053] ? tracepoint_probe_unregister+0x211/0x8e0 [ 110.459555][ T1053] should_failslab+0x9/0x20 [ 110.464267][ T1053] __kmem_cache_alloc_node+0x3d/0x2c0 [ 110.469722][ T1053] ? __cfi_mutex_lock+0x10/0x10 [ 110.474648][ T1053] ? delete_node+0x2f4/0xa60 [ 110.479770][ T1053] ? tracepoint_probe_unregister+0x211/0x8e0 [ 110.485842][ T1053] __kmalloc+0xa1/0x1e0 [ 110.489996][ T1053] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 110.496090][ T1053] tracepoint_probe_unregister+0x211/0x8e0 [ 110.503144][ T1053] bpf_probe_unregister+0x61/0x70 [ 110.508270][ T1053] bpf_raw_tp_link_release+0x63/0x90 [ 110.514330][ T1053] bpf_link_free+0x13a/0x3a0 [ 110.519072][ T1053] ? bpf_link_put_deferred+0x20/0x20 [ 110.525007][ T1053] bpf_link_release+0x15f/0x170 [ 110.529859][ T1053] ? __cfi_bpf_link_release+0x10/0x10 [ 110.535232][ T1053] __fput+0x1fc/0x8f0 [ 110.539210][ T1053] ____fput+0x15/0x20 [ 110.543815][ T1053] task_work_run+0x1e1/0x250 [ 110.548424][ T1053] ? __cfi_task_work_run+0x10/0x10 [ 110.553552][ T1053] ? fput+0x15b/0x1a0 [ 110.557535][ T1053] exit_to_user_mode_loop+0x9b/0xb0 [ 110.562720][ T1053] exit_to_user_mode_prepare+0x87/0xd0 [ 110.568280][ T1053] syscall_exit_to_user_mode+0x1a/0x30 [ 110.573733][ T1053] do_syscall_64+0x58/0xa0 [ 110.578144][ T1053] ? clear_bhb_loop+0x30/0x80 [ 110.582902][ T1053] ? clear_bhb_loop+0x30/0x80 [ 110.587587][ T1053] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 110.593480][ T1053] RIP: 0033:0x7f823419a379 [ 110.597904][ T1053] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 110.617642][ T1053] RSP: 002b:00007f8234f73028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 110.626055][ T1053] RAX: 0000000000000000 RBX: 00007f82343e5fa0 RCX: 00007f823419a379 [ 110.634109][ T1053] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 110.642089][ T1053] RBP: 00007f8234f73090 R08: 0000000000000000 R09: 0000000000000000 [ 110.642486][ T1059] FAULT_INJECTION: forcing a failure. [ 110.642486][ T1059] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 110.650576][ T1053] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 110.650597][ T1053] R13: 00007f82343e6038 R14: 00007f82343e5fa0 R15: 00007ffede02c968 [ 110.650612][ T1053] [ 110.678944][ T1063] FAULT_INJECTION: forcing a failure. [ 110.678944][ T1063] name failslab, interval 1, probability 0, space 0, times 0 [ 110.695750][ T1063] CPU: 1 PID: 1063 Comm: syz.4.248 Not tainted syzkaller #0 [ 110.703210][ T1063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 110.713453][ T1063] Call Trace: [ 110.716739][ T1063] [ 110.719665][ T1063] __dump_stack+0x21/0x24 [ 110.724023][ T1063] dump_stack_lvl+0x110/0x170 [ 110.728893][ T1063] ? __cfi_dump_stack_lvl+0x8/0x8 [ 110.733957][ T1063] ? unwind_get_return_address+0x4d/0x90 [ 110.739698][ T1063] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 110.745853][ T1063] dump_stack+0x15/0x24 [ 110.750099][ T1063] should_fail_ex+0x3d4/0x520 [ 110.754779][ T1063] __should_failslab+0xac/0xf0 [ 110.759541][ T1063] ? tracepoint_probe_unregister+0x211/0x8e0 [ 110.765783][ T1063] should_failslab+0x9/0x20 [ 110.770401][ T1063] __kmem_cache_alloc_node+0x3d/0x2c0 [ 110.775768][ T1063] ? __cfi_mutex_lock+0x10/0x10 [ 110.780625][ T1063] ? delete_node+0x2f4/0xa60 [ 110.785208][ T1063] ? tracepoint_probe_unregister+0x211/0x8e0 [ 110.791279][ T1063] __kmalloc+0xa1/0x1e0 [ 110.795433][ T1063] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 110.801515][ T1063] tracepoint_probe_unregister+0x211/0x8e0 [ 110.807499][ T1063] bpf_probe_unregister+0x61/0x70 [ 110.813218][ T1063] bpf_raw_tp_link_release+0x63/0x90 [ 110.818696][ T1063] bpf_link_free+0x13a/0x3a0 [ 110.823288][ T1063] ? bpf_link_put_deferred+0x20/0x20 [ 110.828658][ T1063] bpf_link_release+0x15f/0x170 [ 110.833512][ T1063] ? __cfi_bpf_link_release+0x10/0x10 [ 110.838912][ T1063] __fput+0x1fc/0x8f0 [ 110.842896][ T1063] ____fput+0x15/0x20 [ 110.846883][ T1063] task_work_run+0x1e1/0x250 [ 110.851478][ T1063] ? __cfi_task_work_run+0x10/0x10 [ 110.856598][ T1063] ? fput+0x15b/0x1a0 [ 110.860572][ T1063] exit_to_user_mode_loop+0x9b/0xb0 [ 110.865760][ T1063] exit_to_user_mode_prepare+0x87/0xd0 [ 110.871297][ T1063] syscall_exit_to_user_mode+0x1a/0x30 [ 110.876751][ T1063] do_syscall_64+0x58/0xa0 [ 110.881178][ T1063] ? clear_bhb_loop+0x30/0x80 [ 110.885846][ T1063] ? clear_bhb_loop+0x30/0x80 [ 110.890522][ T1063] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 110.896413][ T1063] RIP: 0033:0x7f823419a379 [ 110.900912][ T1063] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 110.920600][ T1063] RSP: 002b:00007f8234f73028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 110.929018][ T1063] RAX: 0000000000000000 RBX: 00007f82343e5fa0 RCX: 00007f823419a379 [ 110.930630][ T1064] FAULT_INJECTION: forcing a failure. [ 110.930630][ T1064] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 110.937952][ T1063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 110.937973][ T1063] RBP: 00007f8234f73090 R08: 0000000000000000 R09: 0000000000000000 [ 110.937982][ T1063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 110.937991][ T1063] R13: 00007f82343e6038 R14: 00007f82343e5fa0 R15: 00007ffede02c968 [ 110.938007][ T1063] [ 110.940631][ T1059] CPU: 1 PID: 1059 Comm: syz.6.246 Not tainted syzkaller #0 [ 110.993363][ T1059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 111.003430][ T1059] Call Trace: [ 111.006903][ T1059] [ 111.009955][ T1059] __dump_stack+0x21/0x24 [ 111.014309][ T1059] dump_stack_lvl+0x110/0x170 [ 111.019003][ T1059] ? __cfi_dump_stack_lvl+0x8/0x8 [ 111.024111][ T1059] dump_stack+0x15/0x24 [ 111.028268][ T1059] should_fail_ex+0x3d4/0x520 [ 111.032949][ T1059] should_fail+0xb/0x10 [ 111.037117][ T1059] should_fail_usercopy+0x1a/0x20 [ 111.042178][ T1059] _copy_to_user+0x1e/0x90 [ 111.046603][ T1059] simple_read_from_buffer+0xe9/0x160 [ 111.052055][ T1059] proc_fail_nth_read+0x1a6/0x220 [ 111.057069][ T1059] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 111.062605][ T1059] ? security_file_permission+0x94/0xb0 [ 111.068143][ T1059] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 111.073695][ T1059] vfs_read+0x27a/0x910 [ 111.077879][ T1059] ? __cfi_vfs_read+0x10/0x10 [ 111.082551][ T1059] ? __kasan_check_write+0x14/0x20 [ 111.087742][ T1059] ? mutex_lock+0x93/0x1b0 [ 111.092244][ T1059] ? __cfi_mutex_lock+0x10/0x10 [ 111.097182][ T1059] ? __fdget_pos+0x2cd/0x380 [ 111.101877][ T1059] ? ksys_read+0x71/0x250 [ 111.106461][ T1059] ksys_read+0x149/0x250 [ 111.110695][ T1059] ? __cfi_ksys_read+0x10/0x10 [ 111.115449][ T1059] ? debug_smp_processor_id+0x17/0x20 [ 111.120816][ T1059] __x64_sys_read+0x7b/0x90 [ 111.125745][ T1059] x64_sys_call+0x2f/0x9a0 [ 111.130166][ T1059] do_syscall_64+0x4c/0xa0 [ 111.134578][ T1059] ? clear_bhb_loop+0x30/0x80 [ 111.139348][ T1059] ? clear_bhb_loop+0x30/0x80 [ 111.144114][ T1059] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 111.150178][ T1059] RIP: 0033:0x7f8d90d5ac4e [ 111.154871][ T1059] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 111.174734][ T1059] RSP: 002b:00007f8d90bddfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 111.183317][ T1059] RAX: ffffffffffffffda RBX: 00007f8d90bde6c0 RCX: 00007f8d90d5ac4e [ 111.191464][ T1059] RDX: 000000000000000f RSI: 00007f8d90bde0a0 RDI: 0000000000000006 [ 111.199422][ T1059] RBP: 00007f8d90bde090 R08: 0000000000000000 R09: 0000000000000000 [ 111.207461][ T1059] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 111.215428][ T1059] R13: 00007f8d90fe6128 R14: 00007f8d90fe6090 R15: 00007ffe971c0378 [ 111.223386][ T1059] [ 111.226862][ T1064] CPU: 0 PID: 1064 Comm: syz.3.247 Not tainted syzkaller #0 [ 111.234256][ T1064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 111.244324][ T1064] Call Trace: [ 111.247601][ T1064] [ 111.250640][ T1064] __dump_stack+0x21/0x24 [ 111.255043][ T1064] dump_stack_lvl+0x110/0x170 [ 111.259767][ T1064] ? __cfi_dump_stack_lvl+0x8/0x8 [ 111.264833][ T1064] dump_stack+0x15/0x24 [ 111.269079][ T1064] should_fail_ex+0x3d4/0x520 [ 111.273983][ T1064] should_fail+0xb/0x10 [ 111.278219][ T1064] should_fail_usercopy+0x1a/0x20 [ 111.283406][ T1064] _copy_to_user+0x1e/0x90 [ 111.287813][ T1064] simple_read_from_buffer+0xe9/0x160 [ 111.293380][ T1064] proc_fail_nth_read+0x1a6/0x220 [ 111.298409][ T1064] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 111.304036][ T1064] ? security_file_permission+0x94/0xb0 [ 111.309686][ T1064] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 111.315399][ T1064] vfs_read+0x27a/0x910 [ 111.319556][ T1064] ? __cfi_vfs_read+0x10/0x10 [ 111.324309][ T1064] ? __kasan_check_write+0x14/0x20 [ 111.329581][ T1064] ? mutex_lock+0x93/0x1b0 [ 111.334216][ T1064] ? __cfi_mutex_lock+0x10/0x10 [ 111.339234][ T1064] ? __fdget_pos+0x2cd/0x380 [ 111.343938][ T1064] ? ksys_read+0x71/0x250 [ 111.348611][ T1064] ksys_read+0x149/0x250 [ 111.353027][ T1064] ? __cfi_ksys_read+0x10/0x10 [ 111.357770][ T1064] ? debug_smp_processor_id+0x17/0x20 [ 111.363288][ T1064] __x64_sys_read+0x7b/0x90 [ 111.368166][ T1064] x64_sys_call+0x2f/0x9a0 [ 111.372567][ T1064] do_syscall_64+0x4c/0xa0 [ 111.376972][ T1064] ? clear_bhb_loop+0x30/0x80 [ 111.381630][ T1064] ? clear_bhb_loop+0x30/0x80 [ 111.386293][ T1064] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 111.392171][ T1064] RIP: 0033:0x7f1fa355ac4e [ 111.396568][ T1064] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 111.416250][ T1064] RSP: 002b:00007f1fa4456fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 111.424669][ T1064] RAX: ffffffffffffffda RBX: 00007f1fa44576c0 RCX: 00007f1fa355ac4e [ 111.432997][ T1064] RDX: 000000000000000f RSI: 00007f1fa44570a0 RDI: 0000000000000006 [ 111.440972][ T1064] RBP: 00007f1fa4457090 R08: 0000000000000000 R09: 0000000000000000 [ 111.448945][ T1064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 111.457080][ T1064] R13: 00007f1fa37e6128 R14: 00007f1fa37e6090 R15: 00007ffe043d8638 [ 111.465088][ T1064] [ 111.507001][ T1066] FAULT_INJECTION: forcing a failure. [ 111.507001][ T1066] name failslab, interval 1, probability 0, space 0, times 0 [ 111.519819][ T1066] CPU: 1 PID: 1066 Comm: syz.4.249 Not tainted syzkaller #0 [ 111.527149][ T1066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 111.537286][ T1066] Call Trace: [ 111.540571][ T1066] [ 111.543580][ T1066] __dump_stack+0x21/0x24 [ 111.548025][ T1066] dump_stack_lvl+0x110/0x170 [ 111.552748][ T1066] ? __cfi_dump_stack_lvl+0x8/0x8 [ 111.557777][ T1066] ? unwind_get_return_address+0x4d/0x90 [ 111.563421][ T1066] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 111.569584][ T1066] dump_stack+0x15/0x24 [ 111.573739][ T1066] should_fail_ex+0x3d4/0x520 [ 111.578409][ T1066] __should_failslab+0xac/0xf0 [ 111.583638][ T1066] ? tracepoint_probe_unregister+0x211/0x8e0 [ 111.589642][ T1066] should_failslab+0x9/0x20 [ 111.594181][ T1066] __kmem_cache_alloc_node+0x3d/0x2c0 [ 111.599646][ T1066] ? __cfi_mutex_lock+0x10/0x10 [ 111.604588][ T1066] ? delete_node+0x2f4/0xa60 [ 111.609334][ T1066] ? tracepoint_probe_unregister+0x211/0x8e0 [ 111.615500][ T1066] __kmalloc+0xa1/0x1e0 [ 111.619671][ T1066] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 111.625831][ T1066] tracepoint_probe_unregister+0x211/0x8e0 [ 111.631783][ T1066] bpf_probe_unregister+0x61/0x70 [ 111.637043][ T1066] bpf_raw_tp_link_release+0x63/0x90 [ 111.642855][ T1066] bpf_link_free+0x13a/0x3a0 [ 111.647451][ T1066] ? bpf_link_put_deferred+0x20/0x20 [ 111.652819][ T1066] bpf_link_release+0x15f/0x170 [ 111.657732][ T1066] ? __cfi_bpf_link_release+0x10/0x10 [ 111.663228][ T1066] __fput+0x1fc/0x8f0 [ 111.667589][ T1066] ____fput+0x15/0x20 [ 111.671769][ T1066] task_work_run+0x1e1/0x250 [ 111.676365][ T1066] ? __cfi_task_work_run+0x10/0x10 [ 111.681670][ T1066] ? fput+0x15b/0x1a0 [ 111.685658][ T1066] exit_to_user_mode_loop+0x9b/0xb0 [ 111.690949][ T1066] exit_to_user_mode_prepare+0x87/0xd0 [ 111.696424][ T1066] syscall_exit_to_user_mode+0x1a/0x30 [ 111.701987][ T1066] do_syscall_64+0x58/0xa0 [ 111.706518][ T1066] ? clear_bhb_loop+0x30/0x80 [ 111.711206][ T1066] ? clear_bhb_loop+0x30/0x80 [ 111.715878][ T1066] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 111.721892][ T1066] RIP: 0033:0x7f823419a379 [ 111.726301][ T1066] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 111.745900][ T1066] RSP: 002b:00007f8234f73028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 111.754389][ T1066] RAX: 0000000000000000 RBX: 00007f82343e5fa0 RCX: 00007f823419a379 [ 111.762538][ T1066] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 111.770532][ T1066] RBP: 00007f8234f73090 R08: 0000000000000000 R09: 0000000000000000 [ 111.778783][ T1066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 111.786746][ T1066] R13: 00007f82343e6038 R14: 00007f82343e5fa0 R15: 00007ffede02c968 [ 111.794816][ T1066] [ 111.799156][ T1070] FAULT_INJECTION: forcing a failure. [ 111.799156][ T1070] name failslab, interval 1, probability 0, space 0, times 0 [ 111.812336][ T1070] CPU: 0 PID: 1070 Comm: syz.5.251 Not tainted syzkaller #0 [ 111.819968][ T1070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 111.830209][ T1070] Call Trace: [ 111.833482][ T1070] [ 111.836421][ T1070] __dump_stack+0x21/0x24 [ 111.840759][ T1070] dump_stack_lvl+0x110/0x170 [ 111.845447][ T1070] ? __cfi_dump_stack_lvl+0x8/0x8 [ 111.850470][ T1070] ? unwind_get_return_address+0x4d/0x90 [ 111.856372][ T1070] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 111.862548][ T1070] dump_stack+0x15/0x24 [ 111.866705][ T1070] should_fail_ex+0x3d4/0x520 [ 111.871372][ T1070] __should_failslab+0xac/0xf0 [ 111.876133][ T1070] ? tracepoint_probe_unregister+0x211/0x8e0 [ 111.882117][ T1070] should_failslab+0x9/0x20 [ 111.886614][ T1070] __kmem_cache_alloc_node+0x3d/0x2c0 [ 111.891993][ T1070] ? __cfi_mutex_lock+0x10/0x10 [ 111.896846][ T1070] ? delete_node+0x2f4/0xa60 [ 111.901440][ T1070] ? tracepoint_probe_unregister+0x211/0x8e0 [ 111.907408][ T1070] __kmalloc+0xa1/0x1e0 [ 111.911563][ T1070] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 111.917618][ T1070] tracepoint_probe_unregister+0x211/0x8e0 [ 111.923412][ T1070] bpf_probe_unregister+0x61/0x70 [ 111.928614][ T1070] bpf_raw_tp_link_release+0x63/0x90 [ 111.933888][ T1070] bpf_link_free+0x13a/0x3a0 [ 111.938508][ T1070] ? bpf_link_put_deferred+0x20/0x20 [ 111.943831][ T1070] bpf_link_release+0x15f/0x170 [ 111.948669][ T1070] ? __cfi_bpf_link_release+0x10/0x10 [ 111.954185][ T1070] __fput+0x1fc/0x8f0 [ 111.958164][ T1070] ____fput+0x15/0x20 [ 111.962135][ T1070] task_work_run+0x1e1/0x250 [ 111.966740][ T1070] ? __cfi_task_work_run+0x10/0x10 [ 111.971934][ T1070] ? fput+0x15b/0x1a0 [ 111.975927][ T1070] exit_to_user_mode_loop+0x9b/0xb0 [ 111.981112][ T1070] exit_to_user_mode_prepare+0x87/0xd0 [ 111.986645][ T1070] syscall_exit_to_user_mode+0x1a/0x30 [ 111.992091][ T1070] do_syscall_64+0x58/0xa0 [ 111.996498][ T1070] ? clear_bhb_loop+0x30/0x80 [ 112.001168][ T1070] ? clear_bhb_loop+0x30/0x80 [ 112.005852][ T1070] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 112.011837][ T1070] RIP: 0033:0x7fe84379a379 [ 112.016232][ T1070] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 112.035838][ T1070] RSP: 002b:00007fe844605028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 112.044327][ T1070] RAX: 0000000000000000 RBX: 00007fe8439e5fa0 RCX: 00007fe84379a379 2026/04/13 21:56:12 executed programs: 246 [ 112.052296][ T1070] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 112.060276][ T1070] RBP: 00007fe844605090 R08: 0000000000000000 R09: 0000000000000000 [ 112.068237][ T1070] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 112.076195][ T1070] R13: 00007fe8439e6038 R14: 00007fe8439e5fa0 R15: 00007ffce000fd08 [ 112.084164][ T1070] [ 112.089397][ T1069] FAULT_INJECTION: forcing a failure. [ 112.089397][ T1069] name failslab, interval 1, probability 0, space 0, times 0 [ 112.102501][ T1069] CPU: 0 PID: 1069 Comm: syz.0.250 Not tainted syzkaller #0 [ 112.109809][ T1069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 112.119966][ T1069] Call Trace: [ 112.123238][ T1069] [ 112.126168][ T1069] __dump_stack+0x21/0x24 [ 112.130499][ T1069] dump_stack_lvl+0x110/0x170 [ 112.135262][ T1069] ? __cfi_dump_stack_lvl+0x8/0x8 [ 112.140273][ T1069] ? unwind_get_return_address+0x4d/0x90 [ 112.145904][ T1069] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 112.152130][ T1069] dump_stack+0x15/0x24 [ 112.156296][ T1069] should_fail_ex+0x3d4/0x520 [ 112.161008][ T1069] __should_failslab+0xac/0xf0 [ 112.165939][ T1069] ? tracepoint_probe_unregister+0x211/0x8e0 [ 112.172029][ T1069] should_failslab+0x9/0x20 [ 112.176520][ T1069] __kmem_cache_alloc_node+0x3d/0x2c0 [ 112.181895][ T1069] ? __cfi_mutex_lock+0x10/0x10 [ 112.186733][ T1069] ? delete_node+0x2f4/0xa60 [ 112.191318][ T1069] ? tracepoint_probe_unregister+0x211/0x8e0 [ 112.197311][ T1069] __kmalloc+0xa1/0x1e0 [ 112.201463][ T1069] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 112.207623][ T1069] tracepoint_probe_unregister+0x211/0x8e0 [ 112.213509][ T1069] bpf_probe_unregister+0x61/0x70 [ 112.218643][ T1069] bpf_raw_tp_link_release+0x63/0x90 [ 112.223921][ T1069] bpf_link_free+0x13a/0x3a0 [ 112.228501][ T1069] ? bpf_link_put_deferred+0x20/0x20 [ 112.233922][ T1069] bpf_link_release+0x15f/0x170 [ 112.238917][ T1069] ? __cfi_bpf_link_release+0x10/0x10 [ 112.244294][ T1069] __fput+0x1fc/0x8f0 [ 112.248299][ T1069] ____fput+0x15/0x20 [ 112.252558][ T1069] task_work_run+0x1e1/0x250 [ 112.257224][ T1069] ? __cfi_task_work_run+0x10/0x10 [ 112.262365][ T1069] ? fput+0x15b/0x1a0 [ 112.266359][ T1069] exit_to_user_mode_loop+0x9b/0xb0 [ 112.271644][ T1069] exit_to_user_mode_prepare+0x87/0xd0 [ 112.277108][ T1069] syscall_exit_to_user_mode+0x1a/0x30 [ 112.282685][ T1069] do_syscall_64+0x58/0xa0 [ 112.287281][ T1069] ? clear_bhb_loop+0x30/0x80 [ 112.291960][ T1069] ? clear_bhb_loop+0x30/0x80 [ 112.296638][ T1069] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 112.302577][ T1069] RIP: 0033:0x7f9076b9a379 [ 112.307027][ T1069] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 112.327505][ T1069] RSP: 002b:00007f9077aeb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 112.335929][ T1069] RAX: 0000000000000000 RBX: 00007f9076de5fa0 RCX: 00007f9076b9a379 [ 112.343927][ T1069] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 112.352280][ T1069] RBP: 00007f9077aeb090 R08: 0000000000000000 R09: 0000000000000000 [ 112.360267][ T1069] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 112.367756][ T1078] FAULT_INJECTION: forcing a failure. [ 112.367756][ T1078] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 112.368533][ T1069] R13: 00007f9076de6038 R14: 00007f9076de5fa0 R15: 00007ffe1140a2a8 [ 112.389778][ T1069] [ 112.392850][ T1078] CPU: 1 PID: 1078 Comm: syz.4.253 Not tainted syzkaller #0 [ 112.400380][ T1078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 112.410476][ T1078] Call Trace: [ 112.413850][ T1078] [ 112.416961][ T1078] __dump_stack+0x21/0x24 [ 112.421379][ T1078] dump_stack_lvl+0x110/0x170 [ 112.426063][ T1078] ? __cfi_dump_stack_lvl+0x8/0x8 [ 112.431092][ T1078] dump_stack+0x15/0x24 [ 112.435280][ T1078] should_fail_ex+0x3d4/0x520 [ 112.440069][ T1078] should_fail+0xb/0x10 [ 112.444332][ T1078] should_fail_usercopy+0x1a/0x20 [ 112.449359][ T1078] _copy_to_user+0x1e/0x90 [ 112.453909][ T1078] simple_read_from_buffer+0xe9/0x160 [ 112.459286][ T1078] proc_fail_nth_read+0x1a6/0x220 [ 112.464327][ T1078] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 112.470498][ T1078] ? security_file_permission+0x94/0xb0 [ 112.476241][ T1078] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 112.481909][ T1078] vfs_read+0x27a/0x910 [ 112.486512][ T1078] ? __cfi_vfs_read+0x10/0x10 [ 112.491327][ T1078] ? __kasan_check_write+0x14/0x20 [ 112.496550][ T1078] ? mutex_lock+0x93/0x1b0 [ 112.501093][ T1078] ? __cfi_mutex_lock+0x10/0x10 [ 112.505958][ T1078] ? __fdget_pos+0x2cd/0x380 [ 112.510554][ T1078] ? ksys_read+0x71/0x250 [ 112.515012][ T1078] ksys_read+0x149/0x250 [ 112.519352][ T1078] ? __cfi_ksys_read+0x10/0x10 [ 112.524792][ T1078] ? debug_smp_processor_id+0x17/0x20 [ 112.530255][ T1078] __x64_sys_read+0x7b/0x90 [ 112.534956][ T1078] x64_sys_call+0x2f/0x9a0 [ 112.539411][ T1078] do_syscall_64+0x4c/0xa0 [ 112.543847][ T1078] ? clear_bhb_loop+0x30/0x80 [ 112.548967][ T1078] ? clear_bhb_loop+0x30/0x80 [ 112.553750][ T1078] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 112.559925][ T1078] RIP: 0033:0x7f823415ac4e [ 112.564738][ T1078] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 112.584427][ T1078] RSP: 002b:00007f8234f51fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 112.592927][ T1078] RAX: ffffffffffffffda RBX: 00007f8234f526c0 RCX: 00007f823415ac4e [ 112.600976][ T1078] RDX: 000000000000000f RSI: 00007f8234f520a0 RDI: 0000000000000006 [ 112.609122][ T1078] RBP: 00007f8234f52090 R08: 0000000000000000 R09: 0000000000000000 [ 112.617347][ T1078] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 112.625318][ T1078] R13: 00007f82343e6128 R14: 00007f82343e6090 R15: 00007ffede02c968 [ 112.633304][ T1078] [ 112.644493][ T1082] FAULT_INJECTION: forcing a failure. [ 112.644493][ T1082] name failslab, interval 1, probability 0, space 0, times 0 [ 112.654674][ T1083] FAULT_INJECTION: forcing a failure. [ 112.654674][ T1083] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 112.660407][ T1082] CPU: 0 PID: 1082 Comm: syz.3.256 Not tainted syzkaller #0 [ 112.677552][ T1082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 112.687728][ T1082] Call Trace: [ 112.691025][ T1082] [ 112.693971][ T1082] __dump_stack+0x21/0x24 [ 112.698323][ T1082] dump_stack_lvl+0x110/0x170 [ 112.703021][ T1082] ? __cfi_dump_stack_lvl+0x8/0x8 [ 112.708318][ T1082] ? unwind_get_return_address+0x4d/0x90 [ 112.714055][ T1082] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 112.720418][ T1082] dump_stack+0x15/0x24 [ 112.724586][ T1082] should_fail_ex+0x3d4/0x520 [ 112.729289][ T1082] __should_failslab+0xac/0xf0 [ 112.734062][ T1082] ? tracepoint_probe_unregister+0x211/0x8e0 [ 112.740046][ T1082] should_failslab+0x9/0x20 [ 112.744721][ T1082] __kmem_cache_alloc_node+0x3d/0x2c0 [ 112.750093][ T1082] ? __cfi_mutex_lock+0x10/0x10 [ 112.754949][ T1082] ? delete_node+0x2f4/0xa60 [ 112.759565][ T1082] ? tracepoint_probe_unregister+0x211/0x8e0 [ 112.765541][ T1082] __kmalloc+0xa1/0x1e0 [ 112.769687][ T1082] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 112.775765][ T1082] tracepoint_probe_unregister+0x211/0x8e0 [ 112.781590][ T1082] bpf_probe_unregister+0x61/0x70 [ 112.786714][ T1082] bpf_raw_tp_link_release+0x63/0x90 [ 112.792087][ T1082] bpf_link_free+0x13a/0x3a0 [ 112.796709][ T1082] ? bpf_link_put_deferred+0x20/0x20 [ 112.802123][ T1082] bpf_link_release+0x15f/0x170 [ 112.807306][ T1082] ? __cfi_bpf_link_release+0x10/0x10 [ 112.812812][ T1082] __fput+0x1fc/0x8f0 [ 112.816960][ T1082] ____fput+0x15/0x20 [ 112.820987][ T1082] task_work_run+0x1e1/0x250 [ 112.825605][ T1082] ? __cfi_task_work_run+0x10/0x10 [ 112.830921][ T1082] ? fput+0x15b/0x1a0 [ 112.834954][ T1082] exit_to_user_mode_loop+0x9b/0xb0 [ 112.840520][ T1082] exit_to_user_mode_prepare+0x87/0xd0 [ 112.846311][ T1082] syscall_exit_to_user_mode+0x1a/0x30 [ 112.851788][ T1082] do_syscall_64+0x58/0xa0 [ 112.856298][ T1082] ? clear_bhb_loop+0x30/0x80 [ 112.861159][ T1082] ? clear_bhb_loop+0x30/0x80 [ 112.866031][ T1082] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 112.872026][ T1082] RIP: 0033:0x7f1fa359a379 [ 112.876436][ T1082] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 112.896474][ T1082] RSP: 002b:00007f1fa4478028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 112.904981][ T1082] RAX: 0000000000000000 RBX: 00007f1fa37e5fa0 RCX: 00007f1fa359a379 [ 112.913392][ T1082] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 112.921808][ T1082] RBP: 00007f1fa4478090 R08: 0000000000000000 R09: 0000000000000000 [ 112.930319][ T1082] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 112.939478][ T1082] R13: 00007f1fa37e6038 R14: 00007f1fa37e5fa0 R15: 00007ffe043d8638 [ 112.947676][ T1082] [ 112.950704][ T1083] CPU: 1 PID: 1083 Comm: syz.5.254 Not tainted syzkaller #0 [ 112.958352][ T1083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 112.968669][ T1083] Call Trace: [ 112.971972][ T1083] [ 112.974902][ T1083] __dump_stack+0x21/0x24 [ 112.979269][ T1083] dump_stack_lvl+0x110/0x170 [ 112.983940][ T1083] ? __cfi_dump_stack_lvl+0x8/0x8 [ 112.988965][ T1083] dump_stack+0x15/0x24 [ 112.993134][ T1083] should_fail_ex+0x3d4/0x520 [ 112.997817][ T1083] should_fail+0xb/0x10 [ 113.001973][ T1083] should_fail_usercopy+0x1a/0x20 [ 113.006988][ T1083] _copy_to_user+0x1e/0x90 [ 113.011537][ T1083] simple_read_from_buffer+0xe9/0x160 [ 113.016985][ T1083] proc_fail_nth_read+0x1a6/0x220 [ 113.022026][ T1083] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 113.027568][ T1083] ? security_file_permission+0x94/0xb0 [ 113.033122][ T1083] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 113.038655][ T1083] vfs_read+0x27a/0x910 [ 113.042811][ T1083] ? __cfi_vfs_read+0x10/0x10 [ 113.047471][ T1083] ? __kasan_check_write+0x14/0x20 [ 113.052572][ T1083] ? mutex_lock+0x93/0x1b0 [ 113.056971][ T1083] ? __cfi_mutex_lock+0x10/0x10 [ 113.061862][ T1083] ? __fdget_pos+0x2cd/0x380 [ 113.066435][ T1083] ? ksys_read+0x71/0x250 [ 113.070745][ T1083] ksys_read+0x149/0x250 [ 113.074974][ T1083] ? __cfi_ksys_read+0x10/0x10 [ 113.079722][ T1083] ? debug_smp_processor_id+0x17/0x20 [ 113.085097][ T1083] __x64_sys_read+0x7b/0x90 [ 113.089607][ T1083] x64_sys_call+0x2f/0x9a0 [ 113.094014][ T1083] do_syscall_64+0x4c/0xa0 [ 113.098423][ T1083] ? clear_bhb_loop+0x30/0x80 [ 113.103094][ T1083] ? clear_bhb_loop+0x30/0x80 [ 113.107785][ T1083] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 113.113676][ T1083] RIP: 0033:0x7fe84375ac4e [ 113.118077][ T1083] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 113.137818][ T1083] RSP: 002b:00007fe8445e3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 113.146218][ T1083] RAX: ffffffffffffffda RBX: 00007fe8445e46c0 RCX: 00007fe84375ac4e [ 113.154174][ T1083] RDX: 000000000000000f RSI: 00007fe8445e40a0 RDI: 0000000000000006 [ 113.162131][ T1083] RBP: 00007fe8445e4090 R08: 0000000000000000 R09: 0000000000000000 [ 113.170172][ T1083] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 113.178161][ T1083] R13: 00007fe8439e6128 R14: 00007fe8439e6090 R15: 00007ffce000fd08 [ 113.186136][ T1083] [ 113.199685][ T1086] FAULT_INJECTION: forcing a failure. [ 113.199685][ T1086] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 113.213073][ T1086] CPU: 0 PID: 1086 Comm: syz.0.255 Not tainted syzkaller #0 [ 113.220396][ T1086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 113.230531][ T1086] Call Trace: [ 113.233903][ T1086] [ 113.236835][ T1086] __dump_stack+0x21/0x24 [ 113.241331][ T1086] dump_stack_lvl+0x110/0x170 [ 113.246019][ T1086] ? __cfi_dump_stack_lvl+0x8/0x8 [ 113.251142][ T1086] dump_stack+0x15/0x24 [ 113.255415][ T1086] should_fail_ex+0x3d4/0x520 [ 113.260274][ T1086] should_fail+0xb/0x10 [ 113.264428][ T1086] should_fail_usercopy+0x1a/0x20 [ 113.269442][ T1086] _copy_to_user+0x1e/0x90 [ 113.273864][ T1086] simple_read_from_buffer+0xe9/0x160 [ 113.279323][ T1086] proc_fail_nth_read+0x1a6/0x220 [ 113.284332][ T1086] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 113.289861][ T1086] ? security_file_permission+0x94/0xb0 [ 113.295587][ T1086] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 113.301813][ T1086] vfs_read+0x27a/0x910 [ 113.306050][ T1086] ? __cfi_vfs_read+0x10/0x10 [ 113.310804][ T1086] ? __kasan_check_write+0x14/0x20 [ 113.315899][ T1086] ? mutex_lock+0x93/0x1b0 [ 113.320305][ T1086] ? __cfi_mutex_lock+0x10/0x10 [ 113.325156][ T1086] ? __fdget_pos+0x2cd/0x380 [ 113.329902][ T1086] ? ksys_read+0x71/0x250 [ 113.334247][ T1086] ksys_read+0x149/0x250 [ 113.338489][ T1086] ? __cfi_ksys_read+0x10/0x10 [ 113.343328][ T1086] ? debug_smp_processor_id+0x17/0x20 [ 113.348889][ T1086] __x64_sys_read+0x7b/0x90 [ 113.353388][ T1086] x64_sys_call+0x2f/0x9a0 [ 113.357818][ T1086] do_syscall_64+0x4c/0xa0 [ 113.362230][ T1086] ? clear_bhb_loop+0x30/0x80 [ 113.366915][ T1086] ? clear_bhb_loop+0x30/0x80 [ 113.371594][ T1086] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 113.377488][ T1086] RIP: 0033:0x7f9076b5ac4e [ 113.381925][ T1086] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 113.401638][ T1086] RSP: 002b:00007f9077ac9fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 113.410138][ T1086] RAX: ffffffffffffffda RBX: 00007f9077aca6c0 RCX: 00007f9076b5ac4e [ 113.418124][ T1086] RDX: 000000000000000f RSI: 00007f9077aca0a0 RDI: 0000000000000006 [ 113.426270][ T1086] RBP: 00007f9077aca090 R08: 0000000000000000 R09: 0000000000000000 [ 113.434241][ T1086] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 113.442500][ T1086] R13: 00007f9076de6128 R14: 00007f9076de6090 R15: 00007ffe1140a2a8 [ 113.450667][ T1086] [ 113.455636][ T1091] FAULT_INJECTION: forcing a failure. [ 113.455636][ T1091] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 113.469405][ T1091] CPU: 0 PID: 1091 Comm: syz.4.257 Not tainted syzkaller #0 [ 113.476718][ T1091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 113.486770][ T1091] Call Trace: [ 113.490034][ T1091] [ 113.492949][ T1091] __dump_stack+0x21/0x24 [ 113.497272][ T1091] dump_stack_lvl+0x110/0x170 [ 113.501953][ T1091] ? __cfi_dump_stack_lvl+0x8/0x8 [ 113.507662][ T1091] dump_stack+0x15/0x24 [ 113.512064][ T1091] should_fail_ex+0x3d4/0x520 [ 113.516729][ T1091] should_fail+0xb/0x10 [ 113.520872][ T1091] should_fail_usercopy+0x1a/0x20 [ 113.525910][ T1091] _copy_to_user+0x1e/0x90 [ 113.530331][ T1091] simple_read_from_buffer+0xe9/0x160 [ 113.535783][ T1091] proc_fail_nth_read+0x1a6/0x220 [ 113.540831][ T1091] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 113.546361][ T1091] ? security_file_permission+0x94/0xb0 [ 113.551918][ T1091] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 113.557448][ T1091] vfs_read+0x27a/0x910 [ 113.561607][ T1091] ? __cfi_vfs_read+0x10/0x10 [ 113.566269][ T1091] ? __kasan_check_write+0x14/0x20 [ 113.571379][ T1091] ? mutex_lock+0x93/0x1b0 [ 113.575780][ T1091] ? __cfi_mutex_lock+0x10/0x10 [ 113.580891][ T1091] ? __fdget_pos+0x2cd/0x380 [ 113.585465][ T1091] ? ksys_read+0x71/0x250 [ 113.589780][ T1091] ksys_read+0x149/0x250 [ 113.594021][ T1091] ? __cfi_ksys_read+0x10/0x10 [ 113.598813][ T1091] ? debug_smp_processor_id+0x17/0x20 [ 113.604179][ T1091] __x64_sys_read+0x7b/0x90 [ 113.608750][ T1091] x64_sys_call+0x2f/0x9a0 [ 113.613171][ T1091] do_syscall_64+0x4c/0xa0 [ 113.617593][ T1091] ? clear_bhb_loop+0x30/0x80 [ 113.622345][ T1091] ? clear_bhb_loop+0x30/0x80 [ 113.627095][ T1091] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 113.633068][ T1091] RIP: 0033:0x7f823415ac4e [ 113.637475][ T1091] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 113.657095][ T1091] RSP: 002b:00007f8234f51fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 113.665592][ T1091] RAX: ffffffffffffffda RBX: 00007f8234f526c0 RCX: 00007f823415ac4e [ 113.673550][ T1091] RDX: 000000000000000f RSI: 00007f8234f520a0 RDI: 0000000000000006 [ 113.681592][ T1091] RBP: 00007f8234f52090 R08: 0000000000000000 R09: 0000000000000000 [ 113.689635][ T1091] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 113.697592][ T1091] R13: 00007f82343e6128 R14: 00007f82343e6090 R15: 00007ffede02c968 [ 113.705640][ T1091] [ 113.712462][ T1090] FAULT_INJECTION: forcing a failure. [ 113.712462][ T1090] name failslab, interval 1, probability 0, space 0, times 0 [ 113.725920][ T1090] CPU: 0 PID: 1090 Comm: syz.3.258 Not tainted syzkaller #0 [ 113.733314][ T1090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 113.743724][ T1090] Call Trace: [ 113.747010][ T1090] [ 113.749947][ T1090] __dump_stack+0x21/0x24 [ 113.754317][ T1090] dump_stack_lvl+0x110/0x170 [ 113.759014][ T1090] ? __cfi_dump_stack_lvl+0x8/0x8 [ 113.764048][ T1090] ? unwind_get_return_address+0x4d/0x90 [ 113.769713][ T1090] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 113.775900][ T1090] dump_stack+0x15/0x24 [ 113.780218][ T1090] should_fail_ex+0x3d4/0x520 [ 113.785077][ T1090] __should_failslab+0xac/0xf0 [ 113.789853][ T1090] ? tracepoint_probe_unregister+0x211/0x8e0 [ 113.796024][ T1090] should_failslab+0x9/0x20 [ 113.801586][ T1090] __kmem_cache_alloc_node+0x3d/0x2c0 [ 113.807053][ T1090] ? __cfi_mutex_lock+0x10/0x10 [ 113.812194][ T1090] ? delete_node+0x2f4/0xa60 [ 113.817507][ T1090] ? tracepoint_probe_unregister+0x211/0x8e0 [ 113.824296][ T1090] __kmalloc+0xa1/0x1e0 [ 113.828568][ T1090] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 113.834689][ T1090] tracepoint_probe_unregister+0x211/0x8e0 [ 113.840609][ T1090] bpf_probe_unregister+0x61/0x70 [ 113.846159][ T1090] bpf_raw_tp_link_release+0x63/0x90 [ 113.851584][ T1090] bpf_link_free+0x13a/0x3a0 [ 113.856311][ T1090] ? bpf_link_put_deferred+0x20/0x20 [ 113.861689][ T1090] bpf_link_release+0x15f/0x170 [ 113.866548][ T1090] ? __cfi_bpf_link_release+0x10/0x10 [ 113.872286][ T1090] __fput+0x1fc/0x8f0 [ 113.876388][ T1090] ____fput+0x15/0x20 [ 113.880467][ T1090] task_work_run+0x1e1/0x250 [ 113.885853][ T1090] ? __cfi_task_work_run+0x10/0x10 [ 113.891219][ T1090] ? fput+0x15b/0x1a0 [ 113.895661][ T1090] exit_to_user_mode_loop+0x9b/0xb0 [ 113.901128][ T1090] exit_to_user_mode_prepare+0x87/0xd0 [ 113.907115][ T1090] syscall_exit_to_user_mode+0x1a/0x30 [ 113.912959][ T1090] do_syscall_64+0x58/0xa0 [ 113.917380][ T1090] ? clear_bhb_loop+0x30/0x80 [ 113.922189][ T1090] ? clear_bhb_loop+0x30/0x80 [ 113.927070][ T1090] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 113.933069][ T1090] RIP: 0033:0x7f1fa359a379 [ 113.937920][ T1090] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 113.958013][ T1090] RSP: 002b:00007f1fa4478028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 113.966512][ T1090] RAX: 0000000000000000 RBX: 00007f1fa37e5fa0 RCX: 00007f1fa359a379 [ 113.974600][ T1090] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 113.983269][ T1090] RBP: 00007f1fa4478090 R08: 0000000000000000 R09: 0000000000000000 [ 113.991255][ T1090] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 113.999225][ T1090] R13: 00007f1fa37e6038 R14: 00007f1fa37e5fa0 R15: 00007ffe043d8638 [ 114.007384][ T1090] [ 114.011182][ T1088] FAULT_INJECTION: forcing a failure. [ 114.011182][ T1088] name failslab, interval 1, probability 0, space 0, times 0 [ 114.024599][ T1088] CPU: 0 PID: 1088 Comm: syz.6.259 Not tainted syzkaller #0 [ 114.031922][ T1088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 114.042195][ T1088] Call Trace: [ 114.045994][ T1088] [ 114.049033][ T1088] __dump_stack+0x21/0x24 [ 114.053547][ T1088] dump_stack_lvl+0x110/0x170 [ 114.058335][ T1088] ? __cfi_dump_stack_lvl+0x8/0x8 [ 114.063509][ T1088] ? unwind_get_return_address+0x4d/0x90 [ 114.069611][ T1088] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 114.075995][ T1088] dump_stack+0x15/0x24 [ 114.080320][ T1088] should_fail_ex+0x3d4/0x520 [ 114.085267][ T1088] __should_failslab+0xac/0xf0 [ 114.090284][ T1088] ? tracepoint_probe_unregister+0x211/0x8e0 [ 114.096575][ T1088] should_failslab+0x9/0x20 [ 114.101080][ T1088] __kmem_cache_alloc_node+0x3d/0x2c0 [ 114.106906][ T1088] ? __cfi_mutex_lock+0x10/0x10 [ 114.111764][ T1088] ? delete_node+0x2f4/0xa60 [ 114.116474][ T1088] ? tracepoint_probe_unregister+0x211/0x8e0 [ 114.122547][ T1088] __kmalloc+0xa1/0x1e0 [ 114.126893][ T1088] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 114.132980][ T1088] tracepoint_probe_unregister+0x211/0x8e0 [ 114.138884][ T1088] bpf_probe_unregister+0x61/0x70 [ 114.143924][ T1088] bpf_raw_tp_link_release+0x63/0x90 [ 114.149227][ T1088] bpf_link_free+0x13a/0x3a0 [ 114.153862][ T1088] ? bpf_link_put_deferred+0x20/0x20 [ 114.159152][ T1088] bpf_link_release+0x15f/0x170 [ 114.163998][ T1088] ? __cfi_bpf_link_release+0x10/0x10 [ 114.169370][ T1088] __fput+0x1fc/0x8f0 [ 114.173360][ T1088] ____fput+0x15/0x20 [ 114.177526][ T1088] task_work_run+0x1e1/0x250 [ 114.182117][ T1088] ? __cfi_task_work_run+0x10/0x10 [ 114.187226][ T1088] ? fput+0x15b/0x1a0 [ 114.191289][ T1088] exit_to_user_mode_loop+0x9b/0xb0 [ 114.196740][ T1088] exit_to_user_mode_prepare+0x87/0xd0 [ 114.202298][ T1088] syscall_exit_to_user_mode+0x1a/0x30 [ 114.207787][ T1088] do_syscall_64+0x58/0xa0 [ 114.212328][ T1088] ? clear_bhb_loop+0x30/0x80 [ 114.217801][ T1088] ? clear_bhb_loop+0x30/0x80 [ 114.222751][ T1088] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 114.228773][ T1088] RIP: 0033:0x7f8d90d9a379 [ 114.233464][ T1088] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 114.253605][ T1088] RSP: 002b:00007f8d90bff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 114.263518][ T1088] RAX: 0000000000000000 RBX: 00007f8d90fe5fa0 RCX: 00007f8d90d9a379 [ 114.271687][ T1088] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 114.279847][ T1088] RBP: 00007f8d90bff090 R08: 0000000000000000 R09: 0000000000000000 [ 114.287830][ T1088] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 114.289703][ T1098] FAULT_INJECTION: forcing a failure. [ 114.289703][ T1098] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 114.295978][ T1088] R13: 00007f8d90fe6038 R14: 00007f8d90fe5fa0 R15: 00007ffe971c0378 [ 114.296004][ T1088] [ 114.321615][ T1099] FAULT_INJECTION: forcing a failure. [ 114.321615][ T1099] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 114.322425][ T1098] CPU: 1 PID: 1098 Comm: syz.0.260 Not tainted syzkaller #0 [ 114.342220][ T1098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 114.352307][ T1098] Call Trace: [ 114.355587][ T1098] [ 114.358513][ T1098] __dump_stack+0x21/0x24 [ 114.362856][ T1098] dump_stack_lvl+0x110/0x170 [ 114.367534][ T1098] ? __cfi_dump_stack_lvl+0x8/0x8 [ 114.372610][ T1098] dump_stack+0x15/0x24 [ 114.376777][ T1098] should_fail_ex+0x3d4/0x520 [ 114.381550][ T1098] should_fail+0xb/0x10 [ 114.385726][ T1098] should_fail_usercopy+0x1a/0x20 [ 114.390838][ T1098] _copy_to_user+0x1e/0x90 [ 114.395344][ T1098] simple_read_from_buffer+0xe9/0x160 [ 114.400893][ T1098] proc_fail_nth_read+0x1a6/0x220 [ 114.406107][ T1098] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 114.411676][ T1098] ? security_file_permission+0x94/0xb0 [ 114.417320][ T1098] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 114.423231][ T1098] vfs_read+0x27a/0x910 [ 114.427794][ T1098] ? __cfi_vfs_read+0x10/0x10 [ 114.432528][ T1098] ? __kasan_check_write+0x14/0x20 [ 114.437754][ T1098] ? mutex_lock+0x93/0x1b0 [ 114.442270][ T1098] ? __cfi_mutex_lock+0x10/0x10 [ 114.447234][ T1098] ? __fdget_pos+0x2cd/0x380 [ 114.451839][ T1098] ? ksys_read+0x71/0x250 [ 114.456187][ T1098] ksys_read+0x149/0x250 [ 114.460452][ T1098] ? __cfi_ksys_read+0x10/0x10 [ 114.465234][ T1098] ? debug_smp_processor_id+0x17/0x20 [ 114.470803][ T1098] __x64_sys_read+0x7b/0x90 [ 114.475341][ T1098] x64_sys_call+0x2f/0x9a0 [ 114.479844][ T1098] do_syscall_64+0x4c/0xa0 [ 114.484353][ T1098] ? clear_bhb_loop+0x30/0x80 [ 114.489028][ T1098] ? clear_bhb_loop+0x30/0x80 [ 114.493756][ T1098] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 114.499816][ T1098] RIP: 0033:0x7f9076b5ac4e [ 114.504227][ T1098] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 114.525137][ T1098] RSP: 002b:00007f9077ac9fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 114.533566][ T1098] RAX: ffffffffffffffda RBX: 00007f9077aca6c0 RCX: 00007f9076b5ac4e [ 114.541534][ T1098] RDX: 000000000000000f RSI: 00007f9077aca0a0 RDI: 0000000000000006 [ 114.549592][ T1098] RBP: 00007f9077aca090 R08: 0000000000000000 R09: 0000000000000000 [ 114.557574][ T1098] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 114.565552][ T1098] R13: 00007f9076de6128 R14: 00007f9076de6090 R15: 00007ffe1140a2a8 [ 114.573539][ T1098] [ 114.576559][ T1099] CPU: 0 PID: 1099 Comm: syz.5.261 Not tainted syzkaller #0 [ 114.583851][ T1099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 114.593991][ T1099] Call Trace: [ 114.597256][ T1099] [ 114.600351][ T1099] __dump_stack+0x21/0x24 [ 114.604759][ T1099] dump_stack_lvl+0x110/0x170 [ 114.609446][ T1099] ? __cfi_dump_stack_lvl+0x8/0x8 [ 114.614823][ T1099] dump_stack+0x15/0x24 [ 114.618990][ T1099] should_fail_ex+0x3d4/0x520 [ 114.623767][ T1099] should_fail+0xb/0x10 [ 114.627918][ T1099] should_fail_usercopy+0x1a/0x20 [ 114.632961][ T1099] _copy_to_user+0x1e/0x90 [ 114.637382][ T1099] simple_read_from_buffer+0xe9/0x160 [ 114.642751][ T1099] proc_fail_nth_read+0x1a6/0x220 [ 114.647946][ T1099] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 114.653478][ T1099] ? security_file_permission+0x94/0xb0 [ 114.659024][ T1099] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 114.664619][ T1099] vfs_read+0x27a/0x910 [ 114.668902][ T1099] ? __cfi_vfs_read+0x10/0x10 [ 114.673585][ T1099] ? __kasan_check_write+0x14/0x20 [ 114.678691][ T1099] ? mutex_lock+0x93/0x1b0 [ 114.683115][ T1099] ? __cfi_mutex_lock+0x10/0x10 [ 114.687969][ T1099] ? __fdget_pos+0x2cd/0x380 [ 114.692555][ T1099] ? ksys_read+0x71/0x250 [ 114.696970][ T1099] ksys_read+0x149/0x250 [ 114.701218][ T1099] ? __cfi_ksys_read+0x10/0x10 [ 114.706001][ T1099] ? debug_smp_processor_id+0x17/0x20 [ 114.711396][ T1099] __x64_sys_read+0x7b/0x90 [ 114.715902][ T1099] x64_sys_call+0x2f/0x9a0 [ 114.720392][ T1099] do_syscall_64+0x4c/0xa0 [ 114.724813][ T1099] ? clear_bhb_loop+0x30/0x80 [ 114.729494][ T1099] ? clear_bhb_loop+0x30/0x80 [ 114.734445][ T1099] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 114.740813][ T1099] RIP: 0033:0x7fe84375ac4e [ 114.745234][ T1099] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 114.765008][ T1099] RSP: 002b:00007fe8445e3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 114.773422][ T1099] RAX: ffffffffffffffda RBX: 00007fe8445e46c0 RCX: 00007fe84375ac4e [ 114.781404][ T1099] RDX: 000000000000000f RSI: 00007fe8445e40a0 RDI: 0000000000000006 [ 114.789364][ T1099] RBP: 00007fe8445e4090 R08: 0000000000000000 R09: 0000000000000000 [ 114.797320][ T1099] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 114.805365][ T1099] R13: 00007fe8439e6128 R14: 00007fe8439e6090 R15: 00007ffce000fd08 [ 114.813817][ T1099] [ 114.818833][ T1101] FAULT_INJECTION: forcing a failure. [ 114.818833][ T1101] name failslab, interval 1, probability 0, space 0, times 0 [ 114.832549][ T1101] CPU: 1 PID: 1101 Comm: syz.6.263 Not tainted syzkaller #0 [ 114.839863][ T1101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 114.849922][ T1101] Call Trace: [ 114.853193][ T1101] [ 114.856120][ T1101] __dump_stack+0x21/0x24 [ 114.860452][ T1101] dump_stack_lvl+0x110/0x170 [ 114.865314][ T1101] ? __cfi_dump_stack_lvl+0x8/0x8 [ 114.870440][ T1101] ? unwind_get_return_address+0x4d/0x90 [ 114.876087][ T1101] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 114.882335][ T1101] dump_stack+0x15/0x24 [ 114.886587][ T1101] should_fail_ex+0x3d4/0x520 [ 114.891515][ T1101] __should_failslab+0xac/0xf0 [ 114.896271][ T1101] ? tracepoint_probe_unregister+0x211/0x8e0 [ 114.902243][ T1101] should_failslab+0x9/0x20 [ 114.906816][ T1101] __kmem_cache_alloc_node+0x3d/0x2c0 [ 114.912180][ T1101] ? __cfi_mutex_lock+0x10/0x10 [ 114.917018][ T1101] ? delete_node+0x2f4/0xa60 [ 114.921764][ T1101] ? tracepoint_probe_unregister+0x211/0x8e0 [ 114.927733][ T1101] __kmalloc+0xa1/0x1e0 [ 114.931873][ T1101] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 114.937935][ T1101] tracepoint_probe_unregister+0x211/0x8e0 [ 114.943761][ T1101] bpf_probe_unregister+0x61/0x70 [ 114.948775][ T1101] bpf_raw_tp_link_release+0x63/0x90 [ 114.954042][ T1101] bpf_link_free+0x13a/0x3a0 [ 114.958624][ T1101] ? bpf_link_put_deferred+0x20/0x20 [ 114.963896][ T1101] bpf_link_release+0x15f/0x170 [ 114.969001][ T1101] ? __cfi_bpf_link_release+0x10/0x10 [ 114.974366][ T1101] __fput+0x1fc/0x8f0 [ 114.978335][ T1101] ____fput+0x15/0x20 [ 114.982386][ T1101] task_work_run+0x1e1/0x250 [ 114.986963][ T1101] ? __cfi_task_work_run+0x10/0x10 [ 114.992060][ T1101] ? fput+0x15b/0x1a0 [ 114.996024][ T1101] exit_to_user_mode_loop+0x9b/0xb0 [ 115.001204][ T1101] exit_to_user_mode_prepare+0x87/0xd0 [ 115.006667][ T1101] syscall_exit_to_user_mode+0x1a/0x30 [ 115.012112][ T1101] do_syscall_64+0x58/0xa0 [ 115.016513][ T1101] ? clear_bhb_loop+0x30/0x80 [ 115.021180][ T1101] ? clear_bhb_loop+0x30/0x80 [ 115.025933][ T1101] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 115.031822][ T1101] RIP: 0033:0x7f8d90d9a379 [ 115.036218][ T1101] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 115.055828][ T1101] RSP: 002b:00007f8d90bff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 115.064251][ T1101] RAX: 0000000000000000 RBX: 00007f8d90fe5fa0 RCX: 00007f8d90d9a379 [ 115.072229][ T1101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 115.080187][ T1101] RBP: 00007f8d90bff090 R08: 0000000000000000 R09: 0000000000000000 [ 115.088149][ T1101] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 115.096125][ T1101] R13: 00007f8d90fe6038 R14: 00007f8d90fe5fa0 R15: 00007ffe971c0378 [ 115.104120][ T1101] [ 115.110349][ T1097] FAULT_INJECTION: forcing a failure. [ 115.110349][ T1097] name failslab, interval 1, probability 0, space 0, times 0 [ 115.123053][ T1097] CPU: 0 PID: 1097 Comm: syz.3.262 Not tainted syzkaller #0 [ 115.130391][ T1097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 115.140535][ T1097] Call Trace: [ 115.143887][ T1097] [ 115.146804][ T1097] __dump_stack+0x21/0x24 [ 115.151141][ T1097] dump_stack_lvl+0x110/0x170 [ 115.155812][ T1097] ? __cfi_dump_stack_lvl+0x8/0x8 [ 115.160848][ T1097] ? unwind_get_return_address+0x4d/0x90 [ 115.166498][ T1097] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 115.172656][ T1097] dump_stack+0x15/0x24 [ 115.176838][ T1097] should_fail_ex+0x3d4/0x520 [ 115.181622][ T1097] __should_failslab+0xac/0xf0 [ 115.186373][ T1097] ? tracepoint_probe_unregister+0x211/0x8e0 [ 115.192343][ T1097] should_failslab+0x9/0x20 [ 115.196850][ T1097] __kmem_cache_alloc_node+0x3d/0x2c0 [ 115.202300][ T1097] ? __cfi_mutex_lock+0x10/0x10 [ 115.207133][ T1097] ? delete_node+0x2f4/0xa60 [ 115.211711][ T1097] ? tracepoint_probe_unregister+0x211/0x8e0 [ 115.217763][ T1097] __kmalloc+0xa1/0x1e0 [ 115.221913][ T1097] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 115.227989][ T1097] tracepoint_probe_unregister+0x211/0x8e0 [ 115.234054][ T1097] bpf_probe_unregister+0x61/0x70 [ 115.239074][ T1097] bpf_raw_tp_link_release+0x63/0x90 [ 115.244393][ T1097] bpf_link_free+0x13a/0x3a0 [ 115.248987][ T1097] ? bpf_link_put_deferred+0x20/0x20 [ 115.254348][ T1097] bpf_link_release+0x15f/0x170 [ 115.259276][ T1097] ? __cfi_bpf_link_release+0x10/0x10 [ 115.264659][ T1097] __fput+0x1fc/0x8f0 [ 115.268743][ T1097] ____fput+0x15/0x20 [ 115.272746][ T1097] task_work_run+0x1e1/0x250 [ 115.277344][ T1097] ? __cfi_task_work_run+0x10/0x10 [ 115.282457][ T1097] ? fput+0x15b/0x1a0 [ 115.286661][ T1097] exit_to_user_mode_loop+0x9b/0xb0 [ 115.292592][ T1097] exit_to_user_mode_prepare+0x87/0xd0 [ 115.298169][ T1097] syscall_exit_to_user_mode+0x1a/0x30 [ 115.303632][ T1097] do_syscall_64+0x58/0xa0 [ 115.308056][ T1097] ? clear_bhb_loop+0x30/0x80 [ 115.312738][ T1097] ? clear_bhb_loop+0x30/0x80 [ 115.317439][ T1097] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 115.323414][ T1097] RIP: 0033:0x7f1fa359a379 [ 115.327818][ T1097] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 115.347725][ T1097] RSP: 002b:00007f1fa4478028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 115.356158][ T1097] RAX: 0000000000000000 RBX: 00007f1fa37e5fa0 RCX: 00007f1fa359a379 [ 115.364146][ T1097] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 115.372119][ T1097] RBP: 00007f1fa4478090 R08: 0000000000000000 R09: 0000000000000000 [ 115.380145][ T1097] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 115.388456][ T1097] R13: 00007f1fa37e6038 R14: 00007f1fa37e5fa0 R15: 00007ffe043d8638 [ 115.396419][ T1097] [ 115.437112][ T1107] FAULT_INJECTION: forcing a failure. [ 115.437112][ T1107] name failslab, interval 1, probability 0, space 0, times 0 [ 115.449989][ T1107] CPU: 0 PID: 1107 Comm: syz.6.265 Not tainted syzkaller #0 [ 115.457282][ T1107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 115.467325][ T1107] Call Trace: [ 115.470689][ T1107] [ 115.473738][ T1107] __dump_stack+0x21/0x24 [ 115.478188][ T1107] dump_stack_lvl+0x110/0x170 [ 115.482858][ T1107] ? __cfi_dump_stack_lvl+0x8/0x8 [ 115.487988][ T1107] ? unwind_get_return_address+0x4d/0x90 [ 115.493711][ T1107] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 115.499964][ T1107] dump_stack+0x15/0x24 [ 115.504467][ T1107] should_fail_ex+0x3d4/0x520 [ 115.509158][ T1107] __should_failslab+0xac/0xf0 [ 115.514123][ T1107] ? tracepoint_probe_unregister+0x211/0x8e0 [ 115.520206][ T1107] should_failslab+0x9/0x20 [ 115.524722][ T1107] __kmem_cache_alloc_node+0x3d/0x2c0 [ 115.530183][ T1107] ? __cfi_mutex_lock+0x10/0x10 [ 115.535030][ T1107] ? delete_node+0x2f4/0xa60 [ 115.539700][ T1107] ? tracepoint_probe_unregister+0x211/0x8e0 [ 115.545698][ T1107] __kmalloc+0xa1/0x1e0 [ 115.549962][ T1107] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 115.556126][ T1107] tracepoint_probe_unregister+0x211/0x8e0 [ 115.561935][ T1107] bpf_probe_unregister+0x61/0x70 [ 115.566953][ T1107] bpf_raw_tp_link_release+0x63/0x90 [ 115.572652][ T1107] bpf_link_free+0x13a/0x3a0 [ 115.577306][ T1107] ? bpf_link_put_deferred+0x20/0x20 [ 115.582672][ T1107] bpf_link_release+0x15f/0x170 [ 115.587799][ T1107] ? __cfi_bpf_link_release+0x10/0x10 [ 115.593173][ T1107] __fput+0x1fc/0x8f0 [ 115.597157][ T1107] ____fput+0x15/0x20 [ 115.601131][ T1107] task_work_run+0x1e1/0x250 [ 115.605734][ T1107] ? __cfi_task_work_run+0x10/0x10 [ 115.610927][ T1107] ? fput+0x15b/0x1a0 [ 115.614930][ T1107] exit_to_user_mode_loop+0x9b/0xb0 [ 115.620177][ T1107] exit_to_user_mode_prepare+0x87/0xd0 [ 115.625727][ T1107] syscall_exit_to_user_mode+0x1a/0x30 [ 115.631180][ T1107] do_syscall_64+0x58/0xa0 [ 115.635686][ T1107] ? clear_bhb_loop+0x30/0x80 [ 115.640388][ T1107] ? clear_bhb_loop+0x30/0x80 [ 115.645079][ T1107] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 115.651034][ T1107] RIP: 0033:0x7f8d90d9a379 [ 115.655492][ T1107] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 115.675205][ T1107] RSP: 002b:00007f8d90bff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 115.683784][ T1107] RAX: 0000000000000000 RBX: 00007f8d90fe5fa0 RCX: 00007f8d90d9a379 [ 115.691829][ T1107] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 115.699796][ T1107] RBP: 00007f8d90bff090 R08: 0000000000000000 R09: 0000000000000000 [ 115.707757][ T1107] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 115.715824][ T1107] R13: 00007f8d90fe6038 R14: 00007f8d90fe5fa0 R15: 00007ffe971c0378 [ 115.723840][ T1107] [ 115.727737][ T1109] FAULT_INJECTION: forcing a failure. [ 115.727737][ T1109] name failslab, interval 1, probability 0, space 0, times 0 [ 115.742553][ T1109] CPU: 1 PID: 1109 Comm: syz.3.266 Not tainted syzkaller #0 [ 115.749980][ T1109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 115.760048][ T1109] Call Trace: [ 115.763433][ T1109] [ 115.766463][ T1109] __dump_stack+0x21/0x24 [ 115.770820][ T1109] dump_stack_lvl+0x110/0x170 [ 115.775511][ T1109] ? __cfi_dump_stack_lvl+0x8/0x8 [ 115.780585][ T1109] ? unwind_get_return_address+0x4d/0x90 [ 115.786341][ T1109] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 115.792757][ T1109] dump_stack+0x15/0x24 [ 115.796920][ T1109] should_fail_ex+0x3d4/0x520 [ 115.801724][ T1109] __should_failslab+0xac/0xf0 [ 115.806758][ T1109] ? tracepoint_probe_unregister+0x211/0x8e0 [ 115.813179][ T1109] should_failslab+0x9/0x20 [ 115.818697][ T1109] __kmem_cache_alloc_node+0x3d/0x2c0 [ 115.824196][ T1109] ? __cfi_mutex_lock+0x10/0x10 [ 115.829043][ T1109] ? delete_node+0x2f4/0xa60 [ 115.833639][ T1109] ? tracepoint_probe_unregister+0x211/0x8e0 [ 115.840094][ T1109] __kmalloc+0xa1/0x1e0 [ 115.844958][ T1109] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 115.851044][ T1109] tracepoint_probe_unregister+0x211/0x8e0 [ 115.856942][ T1109] bpf_probe_unregister+0x61/0x70 [ 115.862074][ T1109] bpf_raw_tp_link_release+0x63/0x90 [ 115.867654][ T1109] bpf_link_free+0x13a/0x3a0 [ 115.872429][ T1109] ? bpf_link_put_deferred+0x20/0x20 [ 115.877720][ T1109] bpf_link_release+0x15f/0x170 [ 115.882574][ T1109] ? __cfi_bpf_link_release+0x10/0x10 [ 115.888038][ T1109] __fput+0x1fc/0x8f0 [ 115.892020][ T1109] ____fput+0x15/0x20 [ 115.896098][ T1109] task_work_run+0x1e1/0x250 [ 115.900762][ T1109] ? __cfi_task_work_run+0x10/0x10 [ 115.905865][ T1109] ? fput+0x15b/0x1a0 [ 115.909836][ T1109] exit_to_user_mode_loop+0x9b/0xb0 [ 115.915051][ T1109] exit_to_user_mode_prepare+0x87/0xd0 [ 115.920607][ T1109] syscall_exit_to_user_mode+0x1a/0x30 [ 115.926063][ T1109] do_syscall_64+0x58/0xa0 [ 115.930661][ T1109] ? clear_bhb_loop+0x30/0x80 [ 115.935324][ T1109] ? clear_bhb_loop+0x30/0x80 [ 115.940077][ T1109] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 115.945975][ T1109] RIP: 0033:0x7f1fa359a379 [ 115.950699][ T1109] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 115.970675][ T1109] RSP: 002b:00007f1fa4478028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 115.979085][ T1109] RAX: 0000000000000000 RBX: 00007f1fa37e5fa0 RCX: 00007f1fa359a379 [ 115.987055][ T1109] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 115.995287][ T1109] RBP: 00007f1fa4478090 R08: 0000000000000000 R09: 0000000000000000 [ 116.003250][ T1109] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 116.011249][ T1109] R13: 00007f1fa37e6038 R14: 00007f1fa37e5fa0 R15: 00007ffe043d8638 [ 116.019223][ T1109] [ 116.023522][ T1116] FAULT_INJECTION: forcing a failure. [ 116.023522][ T1116] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 116.023631][ T1105] FAULT_INJECTION: forcing a failure. [ 116.023631][ T1105] name failslab, interval 1, probability 0, space 0, times 0 [ 116.038213][ T1116] CPU: 0 PID: 1116 Comm: syz.5.268 Not tainted syzkaller #0 [ 116.056691][ T1116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 116.066920][ T1116] Call Trace: [ 116.070281][ T1116] [ 116.073202][ T1116] __dump_stack+0x21/0x24 [ 116.077563][ T1116] dump_stack_lvl+0x110/0x170 [ 116.082246][ T1116] ? __cfi_dump_stack_lvl+0x8/0x8 [ 116.087277][ T1116] dump_stack+0x15/0x24 [ 116.091529][ T1116] should_fail_ex+0x3d4/0x520 [ 116.096222][ T1116] should_fail+0xb/0x10 [ 116.100414][ T1116] should_fail_usercopy+0x1a/0x20 [ 116.105465][ T1116] _copy_to_user+0x1e/0x90 [ 116.109900][ T1116] simple_read_from_buffer+0xe9/0x160 [ 116.115448][ T1116] proc_fail_nth_read+0x1a6/0x220 [ 116.120758][ T1116] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 116.126324][ T1116] ? security_file_permission+0x94/0xb0 [ 116.131885][ T1116] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 116.137443][ T1116] vfs_read+0x27a/0x910 [ 116.141637][ T1116] ? __cfi_vfs_read+0x10/0x10 [ 116.146428][ T1116] ? __kasan_check_write+0x14/0x20 [ 116.151734][ T1116] ? mutex_lock+0x93/0x1b0 [ 116.156162][ T1116] ? __cfi_mutex_lock+0x10/0x10 [ 116.161035][ T1116] ? __fdget_pos+0x2cd/0x380 [ 116.165911][ T1116] ? ksys_read+0x71/0x250 [ 116.170281][ T1116] ksys_read+0x149/0x250 [ 116.174524][ T1116] ? __cfi_ksys_read+0x10/0x10 [ 116.179281][ T1116] ? debug_smp_processor_id+0x17/0x20 [ 116.185087][ T1116] __x64_sys_read+0x7b/0x90 [ 116.189598][ T1116] x64_sys_call+0x2f/0x9a0 [ 116.194109][ T1116] do_syscall_64+0x4c/0xa0 [ 116.198612][ T1116] ? clear_bhb_loop+0x30/0x80 [ 116.203370][ T1116] ? clear_bhb_loop+0x30/0x80 [ 116.208073][ T1116] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 116.214142][ T1116] RIP: 0033:0x7fe84375ac4e [ 116.218563][ T1116] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 116.238175][ T1116] RSP: 002b:00007fe8445e3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 116.247016][ T1116] RAX: ffffffffffffffda RBX: 00007fe8445e46c0 RCX: 00007fe84375ac4e [ 116.256003][ T1116] RDX: 000000000000000f RSI: 00007fe8445e40a0 RDI: 0000000000000006 [ 116.264259][ T1116] RBP: 00007fe8445e4090 R08: 0000000000000000 R09: 0000000000000000 [ 116.272363][ T1116] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 116.280975][ T1116] R13: 00007fe8439e6128 R14: 00007fe8439e6090 R15: 00007ffce000fd08 [ 116.289444][ T1116] [ 116.292570][ T1105] CPU: 1 PID: 1105 Comm: syz.4.264 Not tainted syzkaller #0 [ 116.300058][ T1105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 116.310287][ T1105] Call Trace: [ 116.313681][ T1105] [ 116.316696][ T1105] __dump_stack+0x21/0x24 [ 116.321124][ T1105] dump_stack_lvl+0x110/0x170 [ 116.325791][ T1105] ? __cfi_dump_stack_lvl+0x8/0x8 [ 116.331152][ T1105] ? unwind_get_return_address+0x4d/0x90 [ 116.336778][ T1105] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 116.343008][ T1105] dump_stack+0x15/0x24 [ 116.347269][ T1105] should_fail_ex+0x3d4/0x520 [ 116.351967][ T1105] __should_failslab+0xac/0xf0 [ 116.356885][ T1105] ? tracepoint_probe_unregister+0x211/0x8e0 [ 116.362946][ T1105] should_failslab+0x9/0x20 [ 116.367465][ T1105] __kmem_cache_alloc_node+0x3d/0x2c0 [ 116.372850][ T1105] ? __cfi_mutex_lock+0x10/0x10 [ 116.377778][ T1105] ? delete_node+0x2f4/0xa60 [ 116.382358][ T1105] ? tracepoint_probe_unregister+0x211/0x8e0 [ 116.388446][ T1105] __kmalloc+0xa1/0x1e0 [ 116.392622][ T1105] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 116.398689][ T1105] tracepoint_probe_unregister+0x211/0x8e0 [ 116.404556][ T1105] bpf_probe_unregister+0x61/0x70 [ 116.409574][ T1105] bpf_raw_tp_link_release+0x63/0x90 [ 116.414869][ T1105] bpf_link_free+0x13a/0x3a0 [ 116.419482][ T1105] ? bpf_link_put_deferred+0x20/0x20 [ 116.425045][ T1105] bpf_link_release+0x15f/0x170 [ 116.429902][ T1105] ? __cfi_bpf_link_release+0x10/0x10 [ 116.435374][ T1105] __fput+0x1fc/0x8f0 [ 116.439709][ T1105] ____fput+0x15/0x20 [ 116.443681][ T1105] task_work_run+0x1e1/0x250 [ 116.448355][ T1105] ? __cfi_task_work_run+0x10/0x10 [ 116.453474][ T1105] ? fput+0x15b/0x1a0 [ 116.457705][ T1105] exit_to_user_mode_loop+0x9b/0xb0 [ 116.463625][ T1105] exit_to_user_mode_prepare+0x87/0xd0 [ 116.469174][ T1105] syscall_exit_to_user_mode+0x1a/0x30 [ 116.474721][ T1105] do_syscall_64+0x58/0xa0 [ 116.479147][ T1105] ? clear_bhb_loop+0x30/0x80 [ 116.483815][ T1105] ? clear_bhb_loop+0x30/0x80 [ 116.488503][ T1105] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 116.494467][ T1105] RIP: 0033:0x7f823419a379 [ 116.498959][ T1105] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 116.518667][ T1105] RSP: 002b:00007f8234f73028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 116.527340][ T1105] RAX: 0000000000000000 RBX: 00007f82343e5fa0 RCX: 00007f823419a379 [ 116.535319][ T1105] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 116.543375][ T1105] RBP: 00007f8234f73090 R08: 0000000000000000 R09: 0000000000000000 [ 116.551341][ T1105] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 116.559387][ T1105] R13: 00007f82343e6038 R14: 00007f82343e5fa0 R15: 00007ffede02c968 [ 116.567447][ T1105] [ 116.576946][ T1118] FAULT_INJECTION: forcing a failure. [ 116.576946][ T1118] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 116.590069][ T1118] CPU: 0 PID: 1118 Comm: syz.6.269 Not tainted syzkaller #0 [ 116.597360][ T1118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 116.607399][ T1118] Call Trace: [ 116.610664][ T1118] [ 116.613668][ T1118] __dump_stack+0x21/0x24 [ 116.617984][ T1118] dump_stack_lvl+0x110/0x170 [ 116.622671][ T1118] ? __cfi_dump_stack_lvl+0x8/0x8 [ 116.627690][ T1118] dump_stack+0x15/0x24 [ 116.631856][ T1118] should_fail_ex+0x3d4/0x520 [ 116.636532][ T1118] should_fail+0xb/0x10 [ 116.640785][ T1118] should_fail_usercopy+0x1a/0x20 [ 116.646002][ T1118] _copy_to_user+0x1e/0x90 [ 116.650432][ T1118] simple_read_from_buffer+0xe9/0x160 [ 116.656249][ T1118] proc_fail_nth_read+0x1a6/0x220 [ 116.661447][ T1118] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 116.667092][ T1118] ? security_file_permission+0x94/0xb0 [ 116.672648][ T1118] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 116.678180][ T1118] vfs_read+0x27a/0x910 [ 116.682324][ T1118] ? __cfi_vfs_read+0x10/0x10 [ 116.686994][ T1118] ? __kasan_check_write+0x14/0x20 [ 116.692094][ T1118] ? mutex_lock+0x93/0x1b0 [ 116.696500][ T1118] ? __cfi_mutex_lock+0x10/0x10 [ 116.701362][ T1118] ? __fdget_pos+0x2cd/0x380 [ 116.705989][ T1118] ? ksys_read+0x71/0x250 [ 116.710321][ T1118] ksys_read+0x149/0x250 [ 116.714554][ T1118] ? __cfi_ksys_read+0x10/0x10 [ 116.719325][ T1118] ? debug_smp_processor_id+0x17/0x20 [ 116.724780][ T1118] __x64_sys_read+0x7b/0x90 [ 116.729283][ T1118] x64_sys_call+0x2f/0x9a0 [ 116.733720][ T1118] do_syscall_64+0x4c/0xa0 [ 116.738174][ T1118] ? clear_bhb_loop+0x30/0x80 [ 116.743201][ T1118] ? clear_bhb_loop+0x30/0x80 [ 116.747891][ T1118] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 116.753774][ T1118] RIP: 0033:0x7f8d90d5ac4e [ 116.758261][ T1118] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 116.777942][ T1118] RSP: 002b:00007f8d90bddfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 116.786434][ T1118] RAX: ffffffffffffffda RBX: 00007f8d90bde6c0 RCX: 00007f8d90d5ac4e [ 116.794409][ T1118] RDX: 000000000000000f RSI: 00007f8d90bde0a0 RDI: 0000000000000006 [ 116.802540][ T1118] RBP: 00007f8d90bde090 R08: 0000000000000000 R09: 0000000000000000 [ 116.810588][ T1118] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 116.818794][ T1118] R13: 00007f8d90fe6128 R14: 00007f8d90fe6090 R15: 00007ffe971c0378 [ 116.827128][ T1118] [ 116.838463][ T1113] FAULT_INJECTION: forcing a failure. [ 116.838463][ T1113] name failslab, interval 1, probability 0, space 0, times 0 [ 116.851862][ T1113] CPU: 0 PID: 1113 Comm: syz.0.267 Not tainted syzkaller #0 [ 116.859249][ T1113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 116.869313][ T1113] Call Trace: [ 116.872586][ T1113] [ 116.875594][ T1113] __dump_stack+0x21/0x24 [ 116.879927][ T1113] dump_stack_lvl+0x110/0x170 [ 116.884614][ T1113] ? __cfi_dump_stack_lvl+0x8/0x8 [ 116.889644][ T1113] ? unwind_get_return_address+0x4d/0x90 [ 116.895259][ T1113] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 116.901408][ T1113] dump_stack+0x15/0x24 [ 116.905640][ T1113] should_fail_ex+0x3d4/0x520 [ 116.910392][ T1113] __should_failslab+0xac/0xf0 [ 116.915170][ T1113] ? tracepoint_probe_unregister+0x211/0x8e0 [ 116.921185][ T1113] should_failslab+0x9/0x20 [ 116.925862][ T1113] __kmem_cache_alloc_node+0x3d/0x2c0 [ 116.931342][ T1113] ? __cfi_mutex_lock+0x10/0x10 [ 116.936272][ T1113] ? delete_node+0x2f4/0xa60 [ 116.940883][ T1113] ? tracepoint_probe_unregister+0x211/0x8e0 [ 116.947043][ T1113] __kmalloc+0xa1/0x1e0 [ 116.951314][ T1113] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 116.957493][ T1113] tracepoint_probe_unregister+0x211/0x8e0 [ 116.963335][ T1113] bpf_probe_unregister+0x61/0x70 [ 116.968385][ T1113] bpf_raw_tp_link_release+0x63/0x90 [ 116.973686][ T1113] bpf_link_free+0x13a/0x3a0 [ 116.978475][ T1113] ? bpf_link_put_deferred+0x20/0x20 [ 116.983959][ T1113] bpf_link_release+0x15f/0x170 [ 116.988898][ T1113] ? __cfi_bpf_link_release+0x10/0x10 [ 116.994265][ T1113] __fput+0x1fc/0x8f0 [ 116.998323][ T1113] ____fput+0x15/0x20 [ 117.002301][ T1113] task_work_run+0x1e1/0x250 [ 117.006901][ T1113] ? __cfi_task_work_run+0x10/0x10 [ 117.012113][ T1113] ? fput+0x15b/0x1a0 [ 117.016200][ T1113] exit_to_user_mode_loop+0x9b/0xb0 [ 117.021496][ T1113] exit_to_user_mode_prepare+0x87/0xd0 [ 117.026952][ T1113] syscall_exit_to_user_mode+0x1a/0x30 [ 117.032430][ T1113] do_syscall_64+0x58/0xa0 [ 117.036953][ T1113] ? clear_bhb_loop+0x30/0x80 [ 117.041664][ T1113] ? clear_bhb_loop+0x30/0x80 [ 117.046596][ T1113] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 117.052653][ T1113] RIP: 0033:0x7f9076b9a379 [ 117.057064][ T1113] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 117.076747][ T1113] RSP: 002b:00007f9077aeb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 117.085335][ T1113] RAX: 0000000000000000 RBX: 00007f9076de5fa0 RCX: 00007f9076b9a379 [ 117.093418][ T1113] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 117.101383][ T1113] RBP: 00007f9077aeb090 R08: 0000000000000000 R09: 0000000000000000 [ 117.109347][ T1113] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 117.117426][ T1113] R13: 00007f9076de6038 R14: 00007f9076de5fa0 R15: 00007ffe1140a2a8 [ 117.125399][ T1113] [ 117.129620][ T1120] FAULT_INJECTION: forcing a failure. [ 117.129620][ T1120] name failslab, interval 1, probability 0, space 0, times 0 [ 117.142763][ T1120] CPU: 1 PID: 1120 Comm: syz.4.270 Not tainted syzkaller #0 [ 117.150067][ T1120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 117.156553][ T1126] FAULT_INJECTION: forcing a failure. [ 117.156553][ T1126] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 117.160156][ T1120] Call Trace: [ 117.160168][ T1120] [ 117.160176][ T1120] __dump_stack+0x21/0x24 [ 117.184426][ T1120] dump_stack_lvl+0x110/0x170 [ 117.189127][ T1120] ? __cfi_dump_stack_lvl+0x8/0x8 [ 117.194157][ T1120] ? unwind_get_return_address+0x4d/0x90 [ 117.199886][ T1120] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 117.206056][ T1120] dump_stack+0x15/0x24 [ 117.210227][ T1120] should_fail_ex+0x3d4/0x520 [ 117.215600][ T1120] __should_failslab+0xac/0xf0 [ 117.220563][ T1120] ? tracepoint_probe_unregister+0x211/0x8e0 [ 117.226644][ T1120] should_failslab+0x9/0x20 [ 117.231156][ T1120] __kmem_cache_alloc_node+0x3d/0x2c0 [ 117.237084][ T1120] ? __cfi_mutex_lock+0x10/0x10 [ 117.242113][ T1120] ? delete_node+0x2f4/0xa60 [ 117.246818][ T1120] ? tracepoint_probe_unregister+0x211/0x8e0 [ 117.253487][ T1120] __kmalloc+0xa1/0x1e0 [ 117.257657][ T1120] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 117.263840][ T1120] tracepoint_probe_unregister+0x211/0x8e0 [ 117.269679][ T1120] bpf_probe_unregister+0x61/0x70 [ 117.274711][ T1120] bpf_raw_tp_link_release+0x63/0x90 [ 117.280002][ T1120] bpf_link_free+0x13a/0x3a0 [ 117.284696][ T1120] ? bpf_link_put_deferred+0x20/0x20 [ 117.290037][ T1120] bpf_link_release+0x15f/0x170 [ 117.295079][ T1120] ? __cfi_bpf_link_release+0x10/0x10 [ 117.300546][ T1120] __fput+0x1fc/0x8f0 [ 117.304653][ T1120] ____fput+0x15/0x20 [ 117.308663][ T1120] task_work_run+0x1e1/0x250 [ 117.313258][ T1120] ? __cfi_task_work_run+0x10/0x10 [ 117.318555][ T1120] ? fput+0x15b/0x1a0 [ 117.322643][ T1120] exit_to_user_mode_loop+0x9b/0xb0 [ 117.327937][ T1120] exit_to_user_mode_prepare+0x87/0xd0 [ 117.333789][ T1120] syscall_exit_to_user_mode+0x1a/0x30 [ 117.339469][ T1120] do_syscall_64+0x58/0xa0 [ 117.343912][ T1120] ? clear_bhb_loop+0x30/0x80 [ 117.348592][ T1120] ? clear_bhb_loop+0x30/0x80 [ 117.353697][ T1120] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 117.359585][ T1120] RIP: 0033:0x7f823419a379 [ 117.364314][ T1120] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 117.384195][ T1120] RSP: 002b:00007f8234f73028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 117.392782][ T1120] RAX: 0000000000000000 RBX: 00007f82343e5fa0 RCX: 00007f823419a379 [ 117.401373][ T1120] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 117.409862][ T1120] RBP: 00007f8234f73090 R08: 0000000000000000 R09: 0000000000000000 [ 117.418177][ T1120] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 117.426578][ T1120] R13: 00007f82343e6038 R14: 00007f82343e5fa0 R15: 00007ffede02c968 [ 117.434551][ T1120] [ 117.437562][ T1126] CPU: 0 PID: 1126 Comm: syz.3.271 Not tainted syzkaller #0 [ 117.444850][ T1126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 117.451142][ T1124] FAULT_INJECTION: forcing a failure. [ 117.451142][ T1124] name failslab, interval 1, probability 0, space 0, times 0 [ 117.454904][ T1126] Call Trace: [ 117.471106][ T1126] [ 117.474115][ T1126] __dump_stack+0x21/0x24 [ 117.478547][ T1126] dump_stack_lvl+0x110/0x170 [ 117.483268][ T1126] ? __cfi_dump_stack_lvl+0x8/0x8 [ 117.488373][ T1126] dump_stack+0x15/0x24 [ 117.492606][ T1126] should_fail_ex+0x3d4/0x520 [ 117.497296][ T1126] should_fail+0xb/0x10 [ 117.501477][ T1126] should_fail_usercopy+0x1a/0x20 [ 117.509356][ T1126] _copy_to_user+0x1e/0x90 [ 117.514502][ T1126] simple_read_from_buffer+0xe9/0x160 [ 117.520024][ T1126] proc_fail_nth_read+0x1a6/0x220 [ 117.525219][ T1126] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 117.530965][ T1126] ? security_file_permission+0x94/0xb0 [ 117.536637][ T1126] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 117.542195][ T1126] vfs_read+0x27a/0x910 [ 117.546360][ T1126] ? __cfi_vfs_read+0x10/0x10 [ 117.551121][ T1126] ? __kasan_check_write+0x14/0x20 [ 117.556231][ T1126] ? mutex_lock+0x93/0x1b0 [ 117.560733][ T1126] ? __cfi_mutex_lock+0x10/0x10 [ 117.565618][ T1126] ? __fdget_pos+0x2cd/0x380 [ 117.570238][ T1126] ? ksys_read+0x71/0x250 [ 117.574582][ T1126] ksys_read+0x149/0x250 [ 117.578824][ T1126] ? __cfi_ksys_read+0x10/0x10 [ 117.583673][ T1126] ? debug_smp_processor_id+0x17/0x20 [ 117.589227][ T1126] __x64_sys_read+0x7b/0x90 [ 117.593835][ T1126] x64_sys_call+0x2f/0x9a0 [ 117.598254][ T1126] do_syscall_64+0x4c/0xa0 [ 117.602771][ T1126] ? clear_bhb_loop+0x30/0x80 [ 117.607474][ T1126] ? clear_bhb_loop+0x30/0x80 [ 117.612155][ T1126] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 117.618136][ T1126] RIP: 0033:0x7f1fa355ac4e [ 117.622617][ T1126] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 2026/04/13 21:56:17 executed programs: 266 [ 117.642394][ T1126] RSP: 002b:00007f1fa4456fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 117.650812][ T1126] RAX: ffffffffffffffda RBX: 00007f1fa44576c0 RCX: 00007f1fa355ac4e [ 117.658879][ T1126] RDX: 000000000000000f RSI: 00007f1fa44570a0 RDI: 0000000000000006 [ 117.666931][ T1126] RBP: 00007f1fa4457090 R08: 0000000000000000 R09: 0000000000000000 [ 117.674928][ T1126] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 117.682898][ T1126] R13: 00007f1fa37e6128 R14: 00007f1fa37e6090 R15: 00007ffe043d8638 [ 117.690979][ T1126] [ 117.693996][ T1124] CPU: 1 PID: 1124 Comm: syz.5.272 Not tainted syzkaller #0 [ 117.702061][ T1124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 117.712574][ T1124] Call Trace: [ 117.715851][ T1124] [ 117.718983][ T1124] __dump_stack+0x21/0x24 [ 117.723511][ T1124] dump_stack_lvl+0x110/0x170 [ 117.728282][ T1124] ? __cfi_dump_stack_lvl+0x8/0x8 [ 117.733313][ T1124] ? unwind_get_return_address+0x4d/0x90 [ 117.739054][ T1124] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 117.745490][ T1124] dump_stack+0x15/0x24 [ 117.749833][ T1124] should_fail_ex+0x3d4/0x520 [ 117.754505][ T1124] __should_failslab+0xac/0xf0 [ 117.759272][ T1124] ? tracepoint_probe_unregister+0x211/0x8e0 [ 117.765379][ T1124] should_failslab+0x9/0x20 [ 117.770028][ T1124] __kmem_cache_alloc_node+0x3d/0x2c0 [ 117.775488][ T1124] ? __cfi_mutex_lock+0x10/0x10 [ 117.780634][ T1124] ? delete_node+0x2f4/0xa60 [ 117.785616][ T1124] ? tracepoint_probe_unregister+0x211/0x8e0 [ 117.792307][ T1124] __kmalloc+0xa1/0x1e0 [ 117.796994][ T1124] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 117.804231][ T1124] tracepoint_probe_unregister+0x211/0x8e0 [ 117.810140][ T1124] bpf_probe_unregister+0x61/0x70 [ 117.817345][ T1124] bpf_raw_tp_link_release+0x63/0x90 [ 117.823886][ T1124] bpf_link_free+0x13a/0x3a0 [ 117.828831][ T1124] ? bpf_link_put_deferred+0x20/0x20 [ 117.834463][ T1124] bpf_link_release+0x15f/0x170 [ 117.840154][ T1124] ? __cfi_bpf_link_release+0x10/0x10 [ 117.845613][ T1124] __fput+0x1fc/0x8f0 [ 117.849794][ T1124] ____fput+0x15/0x20 [ 117.853994][ T1124] task_work_run+0x1e1/0x250 [ 117.859710][ T1124] ? __cfi_task_work_run+0x10/0x10 [ 117.865104][ T1124] ? fput+0x15b/0x1a0 [ 117.869454][ T1124] exit_to_user_mode_loop+0x9b/0xb0 [ 117.874922][ T1124] exit_to_user_mode_prepare+0x87/0xd0 [ 117.882403][ T1124] syscall_exit_to_user_mode+0x1a/0x30 [ 117.888776][ T1124] do_syscall_64+0x58/0xa0 [ 117.893214][ T1124] ? clear_bhb_loop+0x30/0x80 [ 117.898760][ T1124] ? clear_bhb_loop+0x30/0x80 [ 117.904473][ T1124] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 117.910374][ T1124] RIP: 0033:0x7fe84379a379 [ 117.914776][ T1124] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 117.934367][ T1124] RSP: 002b:00007fe844605028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 117.943325][ T1124] RAX: 0000000000000000 RBX: 00007fe8439e5fa0 RCX: 00007fe84379a379 [ 117.951320][ T1124] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 117.960196][ T1124] RBP: 00007fe844605090 R08: 0000000000000000 R09: 0000000000000000 [ 117.968955][ T1124] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 117.977470][ T1124] R13: 00007fe8439e6038 R14: 00007fe8439e5fa0 R15: 00007ffce000fd08 [ 117.985737][ T1124] [ 117.990342][ T1131] FAULT_INJECTION: forcing a failure. [ 117.990342][ T1131] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 118.004778][ T1131] CPU: 1 PID: 1131 Comm: syz.0.273 Not tainted syzkaller #0 [ 118.014698][ T1131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 118.027927][ T1131] Call Trace: [ 118.031612][ T1131] [ 118.034717][ T1131] __dump_stack+0x21/0x24 [ 118.040541][ T1131] dump_stack_lvl+0x110/0x170 [ 118.045900][ T1131] ? __cfi_dump_stack_lvl+0x8/0x8 [ 118.051736][ T1131] dump_stack+0x15/0x24 [ 118.056309][ T1131] should_fail_ex+0x3d4/0x520 [ 118.061524][ T1131] should_fail+0xb/0x10 [ 118.066711][ T1131] should_fail_usercopy+0x1a/0x20 [ 118.072901][ T1131] _copy_to_user+0x1e/0x90 [ 118.078168][ T1131] simple_read_from_buffer+0xe9/0x160 [ 118.083739][ T1131] proc_fail_nth_read+0x1a6/0x220 [ 118.089147][ T1131] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 118.094986][ T1131] ? security_file_permission+0x94/0xb0 [ 118.101359][ T1131] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 118.107017][ T1131] vfs_read+0x27a/0x910 [ 118.111603][ T1131] ? __cfi_vfs_read+0x10/0x10 [ 118.116472][ T1131] ? __kasan_check_write+0x14/0x20 [ 118.122918][ T1131] ? mutex_lock+0x93/0x1b0 [ 118.127421][ T1131] ? __cfi_mutex_lock+0x10/0x10 [ 118.132638][ T1131] ? __fdget_pos+0x2cd/0x380 [ 118.137483][ T1131] ? ksys_read+0x71/0x250 [ 118.142174][ T1131] ksys_read+0x149/0x250 [ 118.146720][ T1131] ? __cfi_ksys_read+0x10/0x10 [ 118.152144][ T1131] ? debug_smp_processor_id+0x17/0x20 [ 118.157713][ T1131] __x64_sys_read+0x7b/0x90 [ 118.162484][ T1131] x64_sys_call+0x2f/0x9a0 [ 118.167130][ T1131] do_syscall_64+0x4c/0xa0 [ 118.171914][ T1131] ? clear_bhb_loop+0x30/0x80 [ 118.176951][ T1131] ? clear_bhb_loop+0x30/0x80 [ 118.181639][ T1131] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 118.187523][ T1131] RIP: 0033:0x7f9076b5ac4e [ 118.192106][ T1131] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 118.212483][ T1131] RSP: 002b:00007f9077ac9fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 118.221064][ T1131] RAX: ffffffffffffffda RBX: 00007f9077aca6c0 RCX: 00007f9076b5ac4e [ 118.229208][ T1131] RDX: 000000000000000f RSI: 00007f9077aca0a0 RDI: 0000000000000006 [ 118.237623][ T1131] RBP: 00007f9077aca090 R08: 0000000000000000 R09: 0000000000000000 [ 118.246060][ T1131] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 118.256435][ T1131] R13: 00007f9076de6128 R14: 00007f9076de6090 R15: 00007ffe1140a2a8 [ 118.266337][ T1131] [ 118.286993][ T1130] FAULT_INJECTION: forcing a failure. [ 118.286993][ T1130] name failslab, interval 1, probability 0, space 0, times 0 [ 118.301060][ T1130] CPU: 0 PID: 1130 Comm: syz.4.274 Not tainted syzkaller #0 [ 118.309090][ T1130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 118.322064][ T1130] Call Trace: [ 118.326912][ T1130] [ 118.330085][ T1130] __dump_stack+0x21/0x24 [ 118.334683][ T1130] dump_stack_lvl+0x110/0x170 [ 118.339735][ T1130] ? __cfi_dump_stack_lvl+0x8/0x8 [ 118.345730][ T1130] ? unwind_get_return_address+0x4d/0x90 [ 118.352124][ T1130] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 118.358550][ T1130] dump_stack+0x15/0x24 [ 118.363186][ T1130] should_fail_ex+0x3d4/0x520 [ 118.368841][ T1130] __should_failslab+0xac/0xf0 [ 118.373961][ T1130] ? tracepoint_probe_unregister+0x211/0x8e0 [ 118.379958][ T1130] should_failslab+0x9/0x20 [ 118.384504][ T1130] __kmem_cache_alloc_node+0x3d/0x2c0 [ 118.389975][ T1130] ? __cfi_mutex_lock+0x10/0x10 [ 118.394843][ T1130] ? delete_node+0x2f4/0xa60 [ 118.399530][ T1130] ? tracepoint_probe_unregister+0x211/0x8e0 [ 118.406569][ T1130] __kmalloc+0xa1/0x1e0 [ 118.410727][ T1130] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 118.416963][ T1130] tracepoint_probe_unregister+0x211/0x8e0 [ 118.423233][ T1130] bpf_probe_unregister+0x61/0x70 [ 118.428446][ T1130] bpf_raw_tp_link_release+0x63/0x90 [ 118.433991][ T1130] bpf_link_free+0x13a/0x3a0 [ 118.439124][ T1130] ? bpf_link_put_deferred+0x20/0x20 [ 118.444782][ T1130] bpf_link_release+0x15f/0x170 [ 118.449970][ T1130] ? __cfi_bpf_link_release+0x10/0x10 [ 118.455526][ T1130] __fput+0x1fc/0x8f0 [ 118.460146][ T1130] ____fput+0x15/0x20 [ 118.464132][ T1130] task_work_run+0x1e1/0x250 [ 118.469340][ T1130] ? __cfi_task_work_run+0x10/0x10 [ 118.474837][ T1130] ? fput+0x15b/0x1a0 [ 118.479240][ T1130] exit_to_user_mode_loop+0x9b/0xb0 [ 118.485423][ T1130] exit_to_user_mode_prepare+0x87/0xd0 [ 118.491133][ T1130] syscall_exit_to_user_mode+0x1a/0x30 [ 118.497253][ T1130] do_syscall_64+0x58/0xa0 [ 118.501786][ T1130] ? clear_bhb_loop+0x30/0x80 [ 118.506751][ T1130] ? clear_bhb_loop+0x30/0x80 [ 118.511736][ T1130] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 118.517634][ T1130] RIP: 0033:0x7f823419a379 [ 118.522245][ T1130] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 118.542518][ T1130] RSP: 002b:00007f8234f73028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 118.550910][ T1139] FAULT_INJECTION: forcing a failure. [ 118.550910][ T1139] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 118.551413][ T1130] RAX: 0000000000000000 RBX: 00007f82343e5fa0 RCX: 00007f823419a379 [ 118.572587][ T1130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 118.580595][ T1130] RBP: 00007f8234f73090 R08: 0000000000000000 R09: 0000000000000000 [ 118.588660][ T1130] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 118.596713][ T1130] R13: 00007f82343e6038 R14: 00007f82343e5fa0 R15: 00007ffede02c968 [ 118.604687][ T1130] [ 118.607714][ T1139] CPU: 1 PID: 1139 Comm: syz.5.275 Not tainted syzkaller #0 [ 118.615085][ T1139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 118.625329][ T1139] Call Trace: [ 118.628751][ T1139] [ 118.631688][ T1139] __dump_stack+0x21/0x24 [ 118.636011][ T1139] dump_stack_lvl+0x110/0x170 [ 118.640681][ T1139] ? __cfi_dump_stack_lvl+0x8/0x8 [ 118.645805][ T1139] dump_stack+0x15/0x24 [ 118.649969][ T1139] should_fail_ex+0x3d4/0x520 [ 118.654636][ T1139] should_fail+0xb/0x10 [ 118.658806][ T1139] should_fail_usercopy+0x1a/0x20 [ 118.663917][ T1139] _copy_to_user+0x1e/0x90 [ 118.668405][ T1139] simple_read_from_buffer+0xe9/0x160 [ 118.673774][ T1139] proc_fail_nth_read+0x1a6/0x220 [ 118.678948][ T1139] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 118.684490][ T1139] ? security_file_permission+0x94/0xb0 [ 118.690044][ T1139] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 118.695592][ T1139] vfs_read+0x27a/0x910 [ 118.699740][ T1139] ? __cfi_vfs_read+0x10/0x10 [ 118.704406][ T1139] ? __kasan_check_write+0x14/0x20 [ 118.710048][ T1139] ? mutex_lock+0x93/0x1b0 [ 118.714499][ T1139] ? __cfi_mutex_lock+0x10/0x10 [ 118.719347][ T1139] ? __fdget_pos+0x2cd/0x380 [ 118.724017][ T1139] ? ksys_read+0x71/0x250 [ 118.728368][ T1139] ksys_read+0x149/0x250 [ 118.732604][ T1139] ? __cfi_ksys_read+0x10/0x10 [ 118.737385][ T1139] ? debug_smp_processor_id+0x17/0x20 [ 118.742747][ T1139] __x64_sys_read+0x7b/0x90 [ 118.747271][ T1139] x64_sys_call+0x2f/0x9a0 [ 118.751677][ T1139] do_syscall_64+0x4c/0xa0 [ 118.756517][ T1139] ? clear_bhb_loop+0x30/0x80 [ 118.761179][ T1139] ? clear_bhb_loop+0x30/0x80 [ 118.765840][ T1139] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 118.771720][ T1139] RIP: 0033:0x7fe84375ac4e [ 118.776130][ T1139] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 118.796328][ T1139] RSP: 002b:00007fe8445e3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 118.804813][ T1139] RAX: ffffffffffffffda RBX: 00007fe8445e46c0 RCX: 00007fe84375ac4e [ 118.812814][ T1139] RDX: 000000000000000f RSI: 00007fe8445e40a0 RDI: 0000000000000006 [ 118.821470][ T1139] RBP: 00007fe8445e4090 R08: 0000000000000000 R09: 0000000000000000 [ 118.829597][ T1139] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 118.837656][ T1139] R13: 00007fe8439e6128 R14: 00007fe8439e6090 R15: 00007ffce000fd08 [ 118.845619][ T1139] [ 118.852050][ T1140] FAULT_INJECTION: forcing a failure. [ 118.852050][ T1140] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 118.865451][ T1140] CPU: 1 PID: 1140 Comm: syz.6.276 Not tainted syzkaller #0 [ 118.865792][ T1142] FAULT_INJECTION: forcing a failure. [ 118.865792][ T1142] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 118.872926][ T1140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 118.872938][ T1140] Call Trace: [ 118.872943][ T1140] [ 118.872949][ T1140] __dump_stack+0x21/0x24 [ 118.872975][ T1140] dump_stack_lvl+0x110/0x170 [ 118.872997][ T1140] ? __cfi_dump_stack_lvl+0x8/0x8 [ 118.916937][ T1140] dump_stack+0x15/0x24 [ 118.921163][ T1140] should_fail_ex+0x3d4/0x520 [ 118.925947][ T1140] should_fail+0xb/0x10 [ 118.930123][ T1140] should_fail_usercopy+0x1a/0x20 [ 118.935193][ T1140] _copy_to_user+0x1e/0x90 [ 118.939623][ T1140] simple_read_from_buffer+0xe9/0x160 [ 118.944985][ T1140] proc_fail_nth_read+0x1a6/0x220 [ 118.949996][ T1140] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 118.955711][ T1140] ? security_file_permission+0x94/0xb0 [ 118.961272][ T1140] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 118.967104][ T1140] vfs_read+0x27a/0x910 [ 118.971271][ T1140] ? __cfi_vfs_read+0x10/0x10 [ 118.975944][ T1140] ? __kasan_check_write+0x14/0x20 [ 118.981046][ T1140] ? mutex_lock+0x93/0x1b0 [ 118.985646][ T1140] ? __cfi_mutex_lock+0x10/0x10 [ 118.990514][ T1140] ? __fdget_pos+0x2cd/0x380 [ 118.995118][ T1140] ? ksys_read+0x71/0x250 [ 118.999444][ T1140] ksys_read+0x149/0x250 [ 119.003674][ T1140] ? __cfi_ksys_read+0x10/0x10 [ 119.008427][ T1140] ? debug_smp_processor_id+0x17/0x20 [ 119.013811][ T1140] __x64_sys_read+0x7b/0x90 [ 119.018302][ T1140] x64_sys_call+0x2f/0x9a0 [ 119.022844][ T1140] do_syscall_64+0x4c/0xa0 [ 119.027365][ T1140] ? clear_bhb_loop+0x30/0x80 [ 119.032309][ T1140] ? clear_bhb_loop+0x30/0x80 [ 119.036993][ T1140] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 119.042879][ T1140] RIP: 0033:0x7f8d90d5ac4e [ 119.047301][ T1140] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 119.066909][ T1140] RSP: 002b:00007f8d90bddfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 119.075348][ T1140] RAX: ffffffffffffffda RBX: 00007f8d90bde6c0 RCX: 00007f8d90d5ac4e [ 119.083337][ T1140] RDX: 000000000000000f RSI: 00007f8d90bde0a0 RDI: 0000000000000006 [ 119.091294][ T1140] RBP: 00007f8d90bde090 R08: 0000000000000000 R09: 0000000000000000 [ 119.099341][ T1140] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 119.107314][ T1140] R13: 00007f8d90fe6128 R14: 00007f8d90fe6090 R15: 00007ffe971c0378 [ 119.115293][ T1140] [ 119.120736][ T1142] CPU: 1 PID: 1142 Comm: syz.3.277 Not tainted syzkaller #0 [ 119.128065][ T1142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 119.138147][ T1142] Call Trace: [ 119.141432][ T1142] [ 119.144357][ T1142] __dump_stack+0x21/0x24 [ 119.148680][ T1142] dump_stack_lvl+0x110/0x170 [ 119.153411][ T1142] ? __cfi_dump_stack_lvl+0x8/0x8 [ 119.158430][ T1142] dump_stack+0x15/0x24 [ 119.162599][ T1142] should_fail_ex+0x3d4/0x520 [ 119.167295][ T1142] should_fail+0xb/0x10 [ 119.171611][ T1142] should_fail_usercopy+0x1a/0x20 [ 119.176626][ T1142] _copy_to_user+0x1e/0x90 [ 119.181028][ T1142] simple_read_from_buffer+0xe9/0x160 [ 119.186505][ T1142] proc_fail_nth_read+0x1a6/0x220 [ 119.191626][ T1142] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 119.197163][ T1142] ? security_file_permission+0x94/0xb0 [ 119.202780][ T1142] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 119.208392][ T1142] vfs_read+0x27a/0x910 [ 119.212544][ T1142] ? __cfi_vfs_read+0x10/0x10 [ 119.217216][ T1142] ? __kasan_check_write+0x14/0x20 [ 119.222310][ T1142] ? mutex_lock+0x93/0x1b0 [ 119.227096][ T1142] ? __cfi_mutex_lock+0x10/0x10 [ 119.231931][ T1142] ? __fdget_pos+0x2cd/0x380 [ 119.236591][ T1142] ? ksys_read+0x71/0x250 [ 119.241080][ T1142] ksys_read+0x149/0x250 [ 119.245337][ T1142] ? __cfi_ksys_read+0x10/0x10 [ 119.250272][ T1142] ? debug_smp_processor_id+0x17/0x20 [ 119.256190][ T1142] __x64_sys_read+0x7b/0x90 [ 119.260715][ T1142] x64_sys_call+0x2f/0x9a0 [ 119.265221][ T1142] do_syscall_64+0x4c/0xa0 [ 119.269643][ T1142] ? clear_bhb_loop+0x30/0x80 [ 119.274702][ T1142] ? clear_bhb_loop+0x30/0x80 [ 119.279370][ T1142] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 119.285422][ T1142] RIP: 0033:0x7f1fa355ac4e [ 119.289825][ T1142] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 119.309909][ T1142] RSP: 002b:00007f1fa4456fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 119.318656][ T1142] RAX: ffffffffffffffda RBX: 00007f1fa44576c0 RCX: 00007f1fa355ac4e [ 119.326799][ T1142] RDX: 000000000000000f RSI: 00007f1fa44570a0 RDI: 0000000000000006 [ 119.334757][ T1142] RBP: 00007f1fa4457090 R08: 0000000000000000 R09: 0000000000000000 [ 119.342721][ T1142] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 119.350835][ T1142] R13: 00007f1fa37e6128 R14: 00007f1fa37e6090 R15: 00007ffe043d8638 [ 119.359590][ T1142] [ 119.371716][ T1143] FAULT_INJECTION: forcing a failure. [ 119.371716][ T1143] name failslab, interval 1, probability 0, space 0, times 0 [ 119.387832][ T1143] CPU: 0 PID: 1143 Comm: syz.4.278 Not tainted syzkaller #0 [ 119.395436][ T1143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 119.405829][ T1143] Call Trace: [ 119.409100][ T1143] [ 119.412016][ T1143] __dump_stack+0x21/0x24 [ 119.416522][ T1143] dump_stack_lvl+0x110/0x170 [ 119.421203][ T1143] ? __cfi_dump_stack_lvl+0x8/0x8 [ 119.426333][ T1143] ? call_rcu+0xb90/0xf90 [ 119.430679][ T1143] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 119.436838][ T1143] dump_stack+0x15/0x24 [ 119.441083][ T1143] should_fail_ex+0x3d4/0x520 [ 119.445959][ T1143] __should_failslab+0xac/0xf0 [ 119.450927][ T1143] ? tracepoint_probe_unregister+0x211/0x8e0 [ 119.457268][ T1143] should_failslab+0x9/0x20 [ 119.462000][ T1143] __kmem_cache_alloc_node+0x3d/0x2c0 [ 119.467506][ T1143] ? __cfi_mutex_lock+0x10/0x10 [ 119.472765][ T1143] ? delete_node+0x2b3/0xa60 [ 119.477466][ T1143] ? tracepoint_probe_unregister+0x211/0x8e0 [ 119.483500][ T1143] __kmalloc+0xa1/0x1e0 [ 119.487904][ T1143] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 119.494916][ T1143] tracepoint_probe_unregister+0x211/0x8e0 [ 119.500939][ T1143] bpf_probe_unregister+0x61/0x70 [ 119.506640][ T1143] bpf_raw_tp_link_release+0x63/0x90 [ 119.512085][ T1143] bpf_link_free+0x13a/0x3a0 [ 119.516784][ T1143] ? bpf_link_put_deferred+0x20/0x20 [ 119.522093][ T1143] bpf_link_release+0x15f/0x170 [ 119.527116][ T1143] ? __cfi_bpf_link_release+0x10/0x10 [ 119.532528][ T1143] __fput+0x1fc/0x8f0 [ 119.536530][ T1143] ____fput+0x15/0x20 [ 119.540731][ T1143] task_work_run+0x1e1/0x250 [ 119.545706][ T1143] ? __cfi_task_work_run+0x10/0x10 [ 119.551082][ T1143] ? fput+0x15b/0x1a0 [ 119.555159][ T1143] exit_to_user_mode_loop+0x9b/0xb0 [ 119.560595][ T1143] exit_to_user_mode_prepare+0x87/0xd0 [ 119.566273][ T1143] syscall_exit_to_user_mode+0x1a/0x30 [ 119.571836][ T1143] do_syscall_64+0x58/0xa0 [ 119.576437][ T1143] ? clear_bhb_loop+0x30/0x80 [ 119.581119][ T1143] ? clear_bhb_loop+0x30/0x80 [ 119.586147][ T1143] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 119.592373][ T1143] RIP: 0033:0x7f823419a379 [ 119.597066][ T1143] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 119.617281][ T1143] RSP: 002b:00007f8234f73028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 119.625776][ T1143] RAX: 0000000000000000 RBX: 00007f82343e5fa0 RCX: 00007f823419a379 [ 119.633895][ T1143] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 119.641993][ T1143] RBP: 00007f8234f73090 R08: 0000000000000000 R09: 0000000000000000 [ 119.650287][ T1143] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 119.658523][ T1143] R13: 00007f82343e6038 R14: 00007f82343e5fa0 R15: 00007ffede02c968 [ 119.666994][ T1143] [ 119.686773][ T1145] FAULT_INJECTION: forcing a failure. [ 119.686773][ T1145] name failslab, interval 1, probability 0, space 0, times 0 [ 119.699680][ T1145] CPU: 1 PID: 1145 Comm: syz.0.279 Not tainted syzkaller #0 [ 119.707173][ T1145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 119.717312][ T1145] Call Trace: [ 119.720646][ T1145] [ 119.723747][ T1145] __dump_stack+0x21/0x24 [ 119.728072][ T1145] dump_stack_lvl+0x110/0x170 [ 119.732753][ T1145] ? __cfi_dump_stack_lvl+0x8/0x8 [ 119.737880][ T1145] ? unwind_get_return_address+0x4d/0x90 [ 119.743615][ T1145] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 119.749772][ T1145] dump_stack+0x15/0x24 [ 119.753940][ T1145] should_fail_ex+0x3d4/0x520 [ 119.758788][ T1145] __should_failslab+0xac/0xf0 [ 119.763578][ T1145] ? tracepoint_probe_unregister+0x211/0x8e0 [ 119.769578][ T1145] should_failslab+0x9/0x20 [ 119.774169][ T1145] __kmem_cache_alloc_node+0x3d/0x2c0 [ 119.779567][ T1145] ? __cfi_mutex_lock+0x10/0x10 [ 119.784459][ T1145] ? delete_node+0x2f4/0xa60 [ 119.789071][ T1145] ? tracepoint_probe_unregister+0x211/0x8e0 [ 119.795045][ T1145] __kmalloc+0xa1/0x1e0 [ 119.799206][ T1145] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 119.805448][ T1145] tracepoint_probe_unregister+0x211/0x8e0 [ 119.811368][ T1145] bpf_probe_unregister+0x61/0x70 [ 119.816603][ T1145] bpf_raw_tp_link_release+0x63/0x90 [ 119.822006][ T1145] bpf_link_free+0x13a/0x3a0 [ 119.826780][ T1145] ? bpf_link_put_deferred+0x20/0x20 [ 119.832388][ T1145] bpf_link_release+0x15f/0x170 [ 119.837238][ T1145] ? __cfi_bpf_link_release+0x10/0x10 [ 119.842627][ T1145] __fput+0x1fc/0x8f0 [ 119.846793][ T1145] ____fput+0x15/0x20 [ 119.850779][ T1145] task_work_run+0x1e1/0x250 [ 119.855505][ T1145] ? __cfi_task_work_run+0x10/0x10 [ 119.860624][ T1145] ? fput+0x15b/0x1a0 [ 119.864620][ T1145] exit_to_user_mode_loop+0x9b/0xb0 [ 119.869821][ T1145] exit_to_user_mode_prepare+0x87/0xd0 [ 119.875285][ T1145] syscall_exit_to_user_mode+0x1a/0x30 [ 119.880932][ T1145] do_syscall_64+0x58/0xa0 [ 119.885368][ T1145] ? clear_bhb_loop+0x30/0x80 [ 119.890053][ T1145] ? clear_bhb_loop+0x30/0x80 [ 119.894870][ T1145] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 119.901055][ T1145] RIP: 0033:0x7f9076b9a379 [ 119.905558][ T1145] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 119.925982][ T1145] RSP: 002b:00007f9077aeb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 119.934760][ T1145] RAX: 0000000000000000 RBX: 00007f9076de5fa0 RCX: 00007f9076b9a379 [ 119.943207][ T1145] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 119.951372][ T1145] RBP: 00007f9077aeb090 R08: 0000000000000000 R09: 0000000000000000 [ 119.959402][ T1145] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 119.967371][ T1145] R13: 00007f9076de6038 R14: 00007f9076de5fa0 R15: 00007ffe1140a2a8 [ 119.975430][ T1145] [ 119.979795][ T1153] FAULT_INJECTION: forcing a failure. [ 119.979795][ T1153] name failslab, interval 1, probability 0, space 0, times 0 [ 119.992662][ T1153] CPU: 0 PID: 1153 Comm: syz.4.283 Not tainted syzkaller #0 [ 119.999965][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 120.010044][ T1153] Call Trace: [ 120.013343][ T1153] [ 120.016282][ T1153] __dump_stack+0x21/0x24 [ 120.020626][ T1153] dump_stack_lvl+0x110/0x170 [ 120.025431][ T1153] ? __cfi_dump_stack_lvl+0x8/0x8 [ 120.030492][ T1153] ? unwind_get_return_address+0x4d/0x90 [ 120.036218][ T1153] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 120.042382][ T1153] dump_stack+0x15/0x24 [ 120.046568][ T1153] should_fail_ex+0x3d4/0x520 [ 120.051267][ T1153] __should_failslab+0xac/0xf0 [ 120.056025][ T1153] ? tracepoint_probe_unregister+0x211/0x8e0 [ 120.061990][ T1153] should_failslab+0x9/0x20 [ 120.066616][ T1153] __kmem_cache_alloc_node+0x3d/0x2c0 [ 120.072082][ T1153] ? __cfi_mutex_lock+0x10/0x10 [ 120.076930][ T1153] ? delete_node+0x2f4/0xa60 [ 120.081506][ T1153] ? tracepoint_probe_unregister+0x211/0x8e0 [ 120.087480][ T1153] __kmalloc+0xa1/0x1e0 [ 120.091617][ T1153] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 120.097681][ T1153] tracepoint_probe_unregister+0x211/0x8e0 [ 120.103585][ T1153] bpf_probe_unregister+0x61/0x70 [ 120.108780][ T1153] bpf_raw_tp_link_release+0x63/0x90 [ 120.114072][ T1153] bpf_link_free+0x13a/0x3a0 [ 120.118848][ T1153] ? bpf_link_put_deferred+0x20/0x20 [ 120.124503][ T1153] bpf_link_release+0x15f/0x170 [ 120.129530][ T1153] ? __cfi_bpf_link_release+0x10/0x10 [ 120.134997][ T1153] __fput+0x1fc/0x8f0 [ 120.138970][ T1153] ____fput+0x15/0x20 [ 120.143375][ T1153] task_work_run+0x1e1/0x250 [ 120.147984][ T1153] ? __cfi_task_work_run+0x10/0x10 [ 120.153084][ T1153] ? fput+0x15b/0x1a0 [ 120.157164][ T1153] exit_to_user_mode_loop+0x9b/0xb0 [ 120.162616][ T1153] exit_to_user_mode_prepare+0x87/0xd0 [ 120.168268][ T1153] syscall_exit_to_user_mode+0x1a/0x30 [ 120.173769][ T1153] do_syscall_64+0x58/0xa0 [ 120.178219][ T1153] ? clear_bhb_loop+0x30/0x80 [ 120.182925][ T1153] ? clear_bhb_loop+0x30/0x80 [ 120.187597][ T1153] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 120.193495][ T1153] RIP: 0033:0x7f823419a379 [ 120.197904][ T1153] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 120.217598][ T1153] RSP: 002b:00007f8234f73028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 120.226016][ T1153] RAX: 0000000000000000 RBX: 00007f82343e5fa0 RCX: 00007f823419a379 [ 120.233983][ T1153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 120.242043][ T1153] RBP: 00007f8234f73090 R08: 0000000000000000 R09: 0000000000000000 [ 120.250095][ T1153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 120.258140][ T1153] R13: 00007f82343e6038 R14: 00007f82343e5fa0 R15: 00007ffede02c968 [ 120.266103][ T1153] [ 120.269482][ T1148] FAULT_INJECTION: forcing a failure. [ 120.269482][ T1148] name failslab, interval 1, probability 0, space 0, times 0 [ 120.282317][ T1148] CPU: 0 PID: 1148 Comm: syz.6.280 Not tainted syzkaller #0 [ 120.289609][ T1148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 120.299654][ T1148] Call Trace: [ 120.303012][ T1148] [ 120.306031][ T1148] __dump_stack+0x21/0x24 [ 120.310378][ T1148] dump_stack_lvl+0x110/0x170 [ 120.315766][ T1148] ? __cfi_dump_stack_lvl+0x8/0x8 [ 120.320958][ T1148] ? unwind_get_return_address+0x4d/0x90 [ 120.326593][ T1148] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 120.332780][ T1148] dump_stack+0x15/0x24 [ 120.336945][ T1148] should_fail_ex+0x3d4/0x520 [ 120.341608][ T1148] __should_failslab+0xac/0xf0 [ 120.346531][ T1148] ? tracepoint_probe_unregister+0x211/0x8e0 [ 120.352535][ T1148] should_failslab+0x9/0x20 [ 120.357314][ T1148] __kmem_cache_alloc_node+0x3d/0x2c0 [ 120.362779][ T1148] ? __cfi_mutex_lock+0x10/0x10 [ 120.367725][ T1148] ? delete_node+0x2f4/0xa60 [ 120.372838][ T1148] ? tracepoint_probe_unregister+0x211/0x8e0 [ 120.379598][ T1148] __kmalloc+0xa1/0x1e0 [ 120.383756][ T1148] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 120.390001][ T1148] tracepoint_probe_unregister+0x211/0x8e0 [ 120.396164][ T1148] bpf_probe_unregister+0x61/0x70 [ 120.401214][ T1148] bpf_raw_tp_link_release+0x63/0x90 [ 120.406583][ T1148] bpf_link_free+0x13a/0x3a0 [ 120.411198][ T1148] ? bpf_link_put_deferred+0x20/0x20 [ 120.416486][ T1148] bpf_link_release+0x15f/0x170 [ 120.421508][ T1148] ? __cfi_bpf_link_release+0x10/0x10 [ 120.426901][ T1148] __fput+0x1fc/0x8f0 [ 120.430882][ T1148] ____fput+0x15/0x20 [ 120.434863][ T1148] task_work_run+0x1e1/0x250 [ 120.439555][ T1148] ? __cfi_task_work_run+0x10/0x10 [ 120.444687][ T1148] ? fput+0x15b/0x1a0 [ 120.448680][ T1148] exit_to_user_mode_loop+0x9b/0xb0 [ 120.453861][ T1148] exit_to_user_mode_prepare+0x87/0xd0 [ 120.459303][ T1148] syscall_exit_to_user_mode+0x1a/0x30 [ 120.464756][ T1148] do_syscall_64+0x58/0xa0 [ 120.469181][ T1148] ? clear_bhb_loop+0x30/0x80 [ 120.473949][ T1148] ? clear_bhb_loop+0x30/0x80 [ 120.478627][ T1148] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 120.484518][ T1148] RIP: 0033:0x7f8d90d9a379 [ 120.488924][ T1148] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 120.508601][ T1148] RSP: 002b:00007f8d90bff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 120.517624][ T1148] RAX: 0000000000000000 RBX: 00007f8d90fe5fa0 RCX: 00007f8d90d9a379 [ 120.525684][ T1148] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 120.533649][ T1148] RBP: 00007f8d90bff090 R08: 0000000000000000 R09: 0000000000000000 [ 120.541635][ T1148] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 120.549872][ T1148] R13: 00007f8d90fe6038 R14: 00007f8d90fe5fa0 R15: 00007ffe971c0378 [ 120.557880][ T1148] [ 120.562153][ T1149] FAULT_INJECTION: forcing a failure. [ 120.562153][ T1149] name failslab, interval 1, probability 0, space 0, times 0 [ 120.575664][ T1149] CPU: 0 PID: 1149 Comm: syz.3.281 Not tainted syzkaller #0 [ 120.582983][ T1149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 120.593124][ T1149] Call Trace: [ 120.596522][ T1149] [ 120.599464][ T1149] __dump_stack+0x21/0x24 [ 120.603805][ T1149] dump_stack_lvl+0x110/0x170 [ 120.608505][ T1149] ? __cfi_dump_stack_lvl+0x8/0x8 [ 120.613731][ T1149] ? call_rcu+0xb90/0xf90 [ 120.618169][ T1149] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 120.624328][ T1149] dump_stack+0x15/0x24 [ 120.628476][ T1149] should_fail_ex+0x3d4/0x520 [ 120.633293][ T1149] __should_failslab+0xac/0xf0 [ 120.638050][ T1149] ? tracepoint_probe_unregister+0x211/0x8e0 [ 120.644070][ T1149] should_failslab+0x9/0x20 [ 120.648576][ T1149] __kmem_cache_alloc_node+0x3d/0x2c0 [ 120.653968][ T1149] ? __cfi_mutex_lock+0x10/0x10 [ 120.658898][ T1149] ? delete_node+0x3e6/0xa60 [ 120.663505][ T1149] ? tracepoint_probe_unregister+0x211/0x8e0 [ 120.669490][ T1149] __kmalloc+0xa1/0x1e0 [ 120.673908][ T1149] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 120.679966][ T1149] tracepoint_probe_unregister+0x211/0x8e0 [ 120.685846][ T1149] bpf_probe_unregister+0x61/0x70 [ 120.690858][ T1149] bpf_raw_tp_link_release+0x63/0x90 [ 120.696234][ T1149] bpf_link_free+0x13a/0x3a0 [ 120.700838][ T1149] ? bpf_link_put_deferred+0x20/0x20 [ 120.706144][ T1149] bpf_link_release+0x15f/0x170 [ 120.710984][ T1149] ? __cfi_bpf_link_release+0x10/0x10 [ 120.716604][ T1149] __fput+0x1fc/0x8f0 [ 120.720606][ T1149] ____fput+0x15/0x20 [ 120.724681][ T1149] task_work_run+0x1e1/0x250 [ 120.729452][ T1149] ? __cfi_task_work_run+0x10/0x10 [ 120.734569][ T1149] ? fput+0x15b/0x1a0 [ 120.738555][ T1149] exit_to_user_mode_loop+0x9b/0xb0 [ 120.743756][ T1149] exit_to_user_mode_prepare+0x87/0xd0 [ 120.749219][ T1149] syscall_exit_to_user_mode+0x1a/0x30 [ 120.754672][ T1149] do_syscall_64+0x58/0xa0 [ 120.759078][ T1149] ? clear_bhb_loop+0x30/0x80 [ 120.763747][ T1149] ? clear_bhb_loop+0x30/0x80 [ 120.768425][ T1149] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 120.774413][ T1149] RIP: 0033:0x7f1fa359a379 [ 120.778821][ T1149] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 120.799681][ T1149] RSP: 002b:00007f1fa4478028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 120.808186][ T1149] RAX: 0000000000000000 RBX: 00007f1fa37e5fa0 RCX: 00007f1fa359a379 [ 120.816174][ T1149] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 120.824653][ T1149] RBP: 00007f1fa4478090 R08: 0000000000000000 R09: 0000000000000000 [ 120.832880][ T1149] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 120.841106][ T1149] R13: 00007f1fa37e6038 R14: 00007f1fa37e5fa0 R15: 00007ffe043d8638 [ 120.849205][ T1149] [ 120.853124][ T1159] FAULT_INJECTION: forcing a failure. [ 120.853124][ T1159] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 120.870094][ T1158] FAULT_INJECTION: forcing a failure. [ 120.870094][ T1158] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 120.885496][ T1158] CPU: 0 PID: 1158 Comm: syz.0.284 Not tainted syzkaller #0 [ 120.893741][ T1158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 120.904414][ T1158] Call Trace: [ 120.907769][ T1158] [ 120.910882][ T1158] __dump_stack+0x21/0x24 [ 120.915232][ T1158] dump_stack_lvl+0x110/0x170 [ 120.919994][ T1158] ? __cfi_dump_stack_lvl+0x8/0x8 [ 120.925194][ T1158] dump_stack+0x15/0x24 [ 120.929646][ T1158] should_fail_ex+0x3d4/0x520 [ 120.934466][ T1158] should_fail+0xb/0x10 [ 120.938715][ T1158] should_fail_usercopy+0x1a/0x20 [ 120.943903][ T1158] _copy_to_user+0x1e/0x90 [ 120.948382][ T1158] simple_read_from_buffer+0xe9/0x160 [ 120.954099][ T1158] proc_fail_nth_read+0x1a6/0x220 [ 120.959561][ T1158] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 120.965469][ T1158] ? security_file_permission+0x94/0xb0 [ 120.971459][ T1158] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 120.977550][ T1158] vfs_read+0x27a/0x910 [ 120.981805][ T1158] ? __cfi_vfs_read+0x10/0x10 [ 120.987016][ T1158] ? __kasan_check_write+0x14/0x20 [ 120.992139][ T1158] ? mutex_lock+0x93/0x1b0 [ 120.996625][ T1158] ? __cfi_mutex_lock+0x10/0x10 [ 121.001753][ T1158] ? __fdget_pos+0x2cd/0x380 [ 121.006342][ T1158] ? ksys_read+0x71/0x250 [ 121.010671][ T1158] ksys_read+0x149/0x250 [ 121.015175][ T1158] ? __cfi_ksys_read+0x10/0x10 [ 121.019949][ T1158] ? debug_smp_processor_id+0x17/0x20 [ 121.025317][ T1158] __x64_sys_read+0x7b/0x90 [ 121.029806][ T1158] x64_sys_call+0x2f/0x9a0 [ 121.034241][ T1158] do_syscall_64+0x4c/0xa0 [ 121.038667][ T1158] ? clear_bhb_loop+0x30/0x80 [ 121.043346][ T1158] ? clear_bhb_loop+0x30/0x80 [ 121.048096][ T1158] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 121.054147][ T1158] RIP: 0033:0x7f9076b5ac4e [ 121.058656][ T1158] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 121.079465][ T1158] RSP: 002b:00007f9077ac9fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 121.087975][ T1158] RAX: ffffffffffffffda RBX: 00007f9077aca6c0 RCX: 00007f9076b5ac4e [ 121.095955][ T1158] RDX: 000000000000000f RSI: 00007f9077aca0a0 RDI: 0000000000000006 [ 121.104612][ T1158] RBP: 00007f9077aca090 R08: 0000000000000000 R09: 0000000000000000 [ 121.113170][ T1158] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 121.121659][ T1158] R13: 00007f9076de6128 R14: 00007f9076de6090 R15: 00007ffe1140a2a8 [ 121.129731][ T1158] [ 121.134081][ T1159] CPU: 0 PID: 1159 Comm: syz.4.285 Not tainted syzkaller #0 [ 121.141474][ T1159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 121.151720][ T1159] Call Trace: [ 121.154985][ T1159] [ 121.157972][ T1159] __dump_stack+0x21/0x24 [ 121.162310][ T1159] dump_stack_lvl+0x110/0x170 [ 121.167285][ T1159] ? __cfi_dump_stack_lvl+0x8/0x8 [ 121.172425][ T1159] dump_stack+0x15/0x24 [ 121.176597][ T1159] should_fail_ex+0x3d4/0x520 [ 121.181547][ T1159] should_fail+0xb/0x10 [ 121.185796][ T1159] should_fail_usercopy+0x1a/0x20 [ 121.190993][ T1159] _copy_to_user+0x1e/0x90 [ 121.195749][ T1159] simple_read_from_buffer+0xe9/0x160 [ 121.201116][ T1159] proc_fail_nth_read+0x1a6/0x220 [ 121.206328][ T1159] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 121.211878][ T1159] ? security_file_permission+0x94/0xb0 [ 121.217416][ T1159] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 121.222945][ T1159] vfs_read+0x27a/0x910 [ 121.227118][ T1159] ? __cfi_vfs_read+0x10/0x10 [ 121.232071][ T1159] ? __kasan_check_write+0x14/0x20 [ 121.237175][ T1159] ? mutex_lock+0x93/0x1b0 [ 121.241718][ T1159] ? __cfi_mutex_lock+0x10/0x10 [ 121.249809][ T1159] ? __fdget_pos+0x2cd/0x380 [ 121.255456][ T1159] ? ksys_read+0x71/0x250 [ 121.260351][ T1159] ksys_read+0x149/0x250 [ 121.264883][ T1159] ? __cfi_ksys_read+0x10/0x10 [ 121.269774][ T1159] ? debug_smp_processor_id+0x17/0x20 [ 121.275880][ T1159] __x64_sys_read+0x7b/0x90 [ 121.280489][ T1159] x64_sys_call+0x2f/0x9a0 [ 121.285182][ T1159] do_syscall_64+0x4c/0xa0 [ 121.289691][ T1159] ? clear_bhb_loop+0x30/0x80 [ 121.294382][ T1159] ? clear_bhb_loop+0x30/0x80 [ 121.299045][ T1159] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 121.305254][ T1159] RIP: 0033:0x7f823415ac4e [ 121.309779][ T1159] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 121.330684][ T1159] RSP: 002b:00007f8234f51fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 121.339362][ T1159] RAX: ffffffffffffffda RBX: 00007f8234f526c0 RCX: 00007f823415ac4e [ 121.347341][ T1159] RDX: 000000000000000f RSI: 00007f8234f520a0 RDI: 0000000000000006 [ 121.355910][ T1159] RBP: 00007f8234f52090 R08: 0000000000000000 R09: 0000000000000000 [ 121.363865][ T1159] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 121.371832][ T1159] R13: 00007f82343e6128 R14: 00007f82343e6090 R15: 00007ffede02c968 [ 121.379895][ T1159] [ 121.384723][ T1161] FAULT_INJECTION: forcing a failure. [ 121.384723][ T1161] name failslab, interval 1, probability 0, space 0, times 0 [ 121.397491][ T1161] CPU: 1 PID: 1161 Comm: syz.5.287 Not tainted syzkaller #0 [ 121.405043][ T1161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 121.415181][ T1161] Call Trace: [ 121.418482][ T1161] [ 121.421505][ T1161] __dump_stack+0x21/0x24 [ 121.425936][ T1161] dump_stack_lvl+0x110/0x170 [ 121.430698][ T1161] ? __cfi_dump_stack_lvl+0x8/0x8 [ 121.435815][ T1161] ? unwind_get_return_address+0x4d/0x90 [ 121.441547][ T1161] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 121.447706][ T1161] dump_stack+0x15/0x24 [ 121.451863][ T1161] should_fail_ex+0x3d4/0x520 [ 121.456729][ T1161] __should_failslab+0xac/0xf0 [ 121.461796][ T1161] ? tracepoint_probe_unregister+0x211/0x8e0 [ 121.467801][ T1161] should_failslab+0x9/0x20 [ 121.472308][ T1161] __kmem_cache_alloc_node+0x3d/0x2c0 [ 121.477939][ T1161] ? __cfi_mutex_lock+0x10/0x10 [ 121.482805][ T1161] ? delete_node+0x2f4/0xa60 [ 121.487418][ T1161] ? tracepoint_probe_unregister+0x211/0x8e0 [ 121.493600][ T1161] __kmalloc+0xa1/0x1e0 [ 121.499012][ T1161] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 121.505078][ T1161] tracepoint_probe_unregister+0x211/0x8e0 [ 121.510888][ T1161] bpf_probe_unregister+0x61/0x70 [ 121.516193][ T1161] bpf_raw_tp_link_release+0x63/0x90 [ 121.521562][ T1161] bpf_link_free+0x13a/0x3a0 [ 121.526375][ T1161] ? bpf_link_put_deferred+0x20/0x20 [ 121.532806][ T1161] bpf_link_release+0x15f/0x170 [ 121.537681][ T1161] ? __cfi_bpf_link_release+0x10/0x10 [ 121.543049][ T1161] __fput+0x1fc/0x8f0 [ 121.547017][ T1161] ____fput+0x15/0x20 [ 121.550993][ T1161] task_work_run+0x1e1/0x250 [ 121.555688][ T1161] ? __cfi_task_work_run+0x10/0x10 [ 121.560992][ T1161] ? fput+0x15b/0x1a0 [ 121.565246][ T1161] exit_to_user_mode_loop+0x9b/0xb0 [ 121.570484][ T1161] exit_to_user_mode_prepare+0x87/0xd0 [ 121.575946][ T1161] syscall_exit_to_user_mode+0x1a/0x30 [ 121.581620][ T1161] do_syscall_64+0x58/0xa0 [ 121.586111][ T1161] ? clear_bhb_loop+0x30/0x80 [ 121.590814][ T1161] ? clear_bhb_loop+0x30/0x80 [ 121.595501][ T1161] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 121.601422][ T1161] RIP: 0033:0x7fe84379a379 [ 121.605856][ T1161] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 121.625799][ T1161] RSP: 002b:00007fe844605028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 121.634225][ T1161] RAX: 0000000000000000 RBX: 00007fe8439e5fa0 RCX: 00007fe84379a379 [ 121.642216][ T1161] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 121.650188][ T1161] RBP: 00007fe844605090 R08: 0000000000000000 R09: 0000000000000000 [ 121.658226][ T1161] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 121.666590][ T1161] R13: 00007fe8439e6038 R14: 00007fe8439e5fa0 R15: 00007ffce000fd08 [ 121.674565][ T1161] [ 121.680551][ T1165] FAULT_INJECTION: forcing a failure. [ 121.680551][ T1165] name failslab, interval 1, probability 0, space 0, times 0 [ 121.693372][ T1165] CPU: 0 PID: 1165 Comm: syz.3.288 Not tainted syzkaller #0 [ 121.701286][ T1165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 121.711363][ T1165] Call Trace: [ 121.714651][ T1165] [ 121.717606][ T1165] __dump_stack+0x21/0x24 [ 121.721952][ T1165] dump_stack_lvl+0x110/0x170 [ 121.726626][ T1165] ? __cfi_dump_stack_lvl+0x8/0x8 [ 121.731750][ T1165] ? unwind_get_return_address+0x4d/0x90 [ 121.737406][ T1165] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 121.743556][ T1165] dump_stack+0x15/0x24 [ 121.747710][ T1165] should_fail_ex+0x3d4/0x520 [ 121.752375][ T1165] __should_failslab+0xac/0xf0 [ 121.757397][ T1165] ? tracepoint_probe_unregister+0x211/0x8e0 [ 121.763463][ T1165] should_failslab+0x9/0x20 [ 121.767979][ T1165] __kmem_cache_alloc_node+0x3d/0x2c0 [ 121.773365][ T1165] ? __cfi_mutex_lock+0x10/0x10 [ 121.778292][ T1165] ? delete_node+0x2f4/0xa60 [ 121.783063][ T1165] ? tracepoint_probe_unregister+0x211/0x8e0 [ 121.789036][ T1165] __kmalloc+0xa1/0x1e0 [ 121.793205][ T1165] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 121.799333][ T1165] tracepoint_probe_unregister+0x211/0x8e0 [ 121.805237][ T1165] bpf_probe_unregister+0x61/0x70 [ 121.810286][ T1165] bpf_raw_tp_link_release+0x63/0x90 [ 121.815934][ T1165] bpf_link_free+0x13a/0x3a0 [ 121.820541][ T1165] ? bpf_link_put_deferred+0x20/0x20 [ 121.826186][ T1165] bpf_link_release+0x15f/0x170 [ 121.831031][ T1165] ? __cfi_bpf_link_release+0x10/0x10 [ 121.836390][ T1165] __fput+0x1fc/0x8f0 [ 121.840365][ T1165] ____fput+0x15/0x20 [ 121.844357][ T1165] task_work_run+0x1e1/0x250 [ 121.849058][ T1165] ? __cfi_task_work_run+0x10/0x10 [ 121.854243][ T1165] ? fput+0x15b/0x1a0 [ 121.858206][ T1165] exit_to_user_mode_loop+0x9b/0xb0 [ 121.863431][ T1165] exit_to_user_mode_prepare+0x87/0xd0 [ 121.869076][ T1165] syscall_exit_to_user_mode+0x1a/0x30 [ 121.874563][ T1165] do_syscall_64+0x58/0xa0 [ 121.878986][ T1165] ? clear_bhb_loop+0x30/0x80 [ 121.883670][ T1165] ? clear_bhb_loop+0x30/0x80 [ 121.888341][ T1165] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 121.894264][ T1165] RIP: 0033:0x7f1fa359a379 [ 121.898684][ T1165] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 121.918375][ T1165] RSP: 002b:00007f1fa4478028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 121.926784][ T1165] RAX: 0000000000000000 RBX: 00007f1fa37e5fa0 RCX: 00007f1fa359a379 [ 121.934841][ T1165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 121.942896][ T1165] RBP: 00007f1fa4478090 R08: 0000000000000000 R09: 0000000000000000 [ 121.950851][ T1165] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 121.958818][ T1165] R13: 00007f1fa37e6038 R14: 00007f1fa37e5fa0 R15: 00007ffe043d8638 [ 121.966954][ T1165] [ 121.986530][ T1164] FAULT_INJECTION: forcing a failure. [ 121.986530][ T1164] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 121.999786][ T1164] CPU: 0 PID: 1164 Comm: syz.6.286 Not tainted syzkaller #0 [ 122.007187][ T1164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 122.018007][ T1164] Call Trace: [ 122.021397][ T1164] [ 122.024339][ T1164] __dump_stack+0x21/0x24 [ 122.028670][ T1164] dump_stack_lvl+0x110/0x170 [ 122.033645][ T1164] ? __cfi_dump_stack_lvl+0x8/0x8 [ 122.038695][ T1164] dump_stack+0x15/0x24 [ 122.042859][ T1164] should_fail_ex+0x3d4/0x520 [ 122.047548][ T1164] should_fail+0xb/0x10 [ 122.051711][ T1164] should_fail_usercopy+0x1a/0x20 [ 122.056829][ T1164] _copy_to_user+0x1e/0x90 [ 122.061257][ T1164] simple_read_from_buffer+0xe9/0x160 [ 122.066664][ T1164] proc_fail_nth_read+0x1a6/0x220 [ 122.071709][ T1164] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 122.077350][ T1164] ? security_file_permission+0x94/0xb0 [ 122.082881][ T1164] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 122.088424][ T1164] vfs_read+0x27a/0x910 [ 122.092944][ T1164] ? __cfi_vfs_read+0x10/0x10 [ 122.097935][ T1164] ? __kasan_check_write+0x14/0x20 [ 122.103048][ T1164] ? mutex_lock+0x93/0x1b0 [ 122.107474][ T1164] ? __cfi_mutex_lock+0x10/0x10 [ 122.112338][ T1164] ? __fdget_pos+0x2cd/0x380 [ 122.117021][ T1164] ? ksys_read+0x71/0x250 [ 122.121340][ T1164] ksys_read+0x149/0x250 [ 122.125569][ T1164] ? __cfi_ksys_read+0x10/0x10 [ 122.130371][ T1164] ? fpregs_restore_userregs+0x128/0x260 [ 122.135987][ T1164] __x64_sys_read+0x7b/0x90 [ 122.140474][ T1164] x64_sys_call+0x2f/0x9a0 [ 122.144960][ T1164] do_syscall_64+0x4c/0xa0 [ 122.149359][ T1164] ? clear_bhb_loop+0x30/0x80 [ 122.154015][ T1164] ? clear_bhb_loop+0x30/0x80 [ 122.158670][ T1164] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 122.164567][ T1164] RIP: 0033:0x7f8d90d5ac4e [ 122.169060][ T1164] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 122.188935][ T1164] RSP: 002b:00007f8d90bfefe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 122.197380][ T1164] RAX: ffffffffffffffda RBX: 00007f8d90bff6c0 RCX: 00007f8d90d5ac4e [ 122.205444][ T1164] RDX: 000000000000000f RSI: 00007f8d90bff0a0 RDI: 0000000000000006 [ 122.213407][ T1164] RBP: 00007f8d90bff090 R08: 0000000000000000 R09: 0000000000000000 [ 122.221745][ T1164] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 122.229771][ T1164] R13: 00007f8d90fe6038 R14: 00007f8d90fe5fa0 R15: 00007ffe971c0378 [ 122.237931][ T1164] [ 122.248596][ T1171] FAULT_INJECTION: forcing a failure. [ 122.248596][ T1171] name failslab, interval 1, probability 0, space 0, times 0 [ 122.261728][ T1171] CPU: 0 PID: 1171 Comm: syz.0.289 Not tainted syzkaller #0 [ 122.269031][ T1171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 122.280127][ T1171] Call Trace: [ 122.282744][ T1178] FAULT_INJECTION: forcing a failure. [ 122.282744][ T1178] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 122.283439][ T1171] [ 122.300163][ T1171] __dump_stack+0x21/0x24 [ 122.304671][ T1171] dump_stack_lvl+0x110/0x170 [ 122.309363][ T1171] ? __cfi_dump_stack_lvl+0x8/0x8 [ 122.314656][ T1171] ? unwind_get_return_address+0x4d/0x90 [ 122.320372][ T1171] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 122.326617][ T1171] dump_stack+0x15/0x24 [ 122.330944][ T1171] should_fail_ex+0x3d4/0x520 [ 122.335626][ T1171] __should_failslab+0xac/0xf0 [ 122.340389][ T1171] ? tracepoint_probe_unregister+0x211/0x8e0 [ 122.346381][ T1171] should_failslab+0x9/0x20 [ 122.350878][ T1171] __kmem_cache_alloc_node+0x3d/0x2c0 [ 122.356275][ T1171] ? __cfi_mutex_lock+0x10/0x10 [ 122.361421][ T1171] ? delete_node+0x2f4/0xa60 [ 122.366022][ T1171] ? tracepoint_probe_unregister+0x211/0x8e0 [ 122.372021][ T1171] __kmalloc+0xa1/0x1e0 [ 122.376373][ T1171] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 122.382463][ T1171] tracepoint_probe_unregister+0x211/0x8e0 [ 122.388284][ T1171] bpf_probe_unregister+0x61/0x70 [ 122.393335][ T1171] bpf_raw_tp_link_release+0x63/0x90 [ 122.398619][ T1171] bpf_link_free+0x13a/0x3a0 [ 122.403212][ T1171] ? bpf_link_put_deferred+0x20/0x20 [ 122.408613][ T1171] bpf_link_release+0x15f/0x170 [ 122.413546][ T1171] ? __cfi_bpf_link_release+0x10/0x10 [ 122.418925][ T1171] __fput+0x1fc/0x8f0 [ 122.422998][ T1171] ____fput+0x15/0x20 [ 122.426975][ T1171] task_work_run+0x1e1/0x250 [ 122.431563][ T1171] ? __cfi_task_work_run+0x10/0x10 [ 122.436670][ T1171] ? fput+0x15b/0x1a0 [ 122.440654][ T1171] exit_to_user_mode_loop+0x9b/0xb0 [ 122.446412][ T1171] exit_to_user_mode_prepare+0x87/0xd0 [ 122.451984][ T1171] syscall_exit_to_user_mode+0x1a/0x30 [ 122.457480][ T1171] do_syscall_64+0x58/0xa0 [ 122.461915][ T1171] ? clear_bhb_loop+0x30/0x80 [ 122.466590][ T1171] ? clear_bhb_loop+0x30/0x80 [ 122.471280][ T1171] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 122.477434][ T1171] RIP: 0033:0x7f9076b9a379 [ 122.481844][ T1171] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 122.501539][ T1171] RSP: 002b:00007f9077aeb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 122.509939][ T1171] RAX: 0000000000000000 RBX: 00007f9076de5fa0 RCX: 00007f9076b9a379 [ 122.518069][ T1171] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 122.526023][ T1171] RBP: 00007f9077aeb090 R08: 0000000000000000 R09: 0000000000000000 [ 122.533988][ T1171] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 122.541939][ T1171] R13: 00007f9076de6038 R14: 00007f9076de5fa0 R15: 00007ffe1140a2a8 [ 122.550122][ T1171] [ 122.554535][ T1179] FAULT_INJECTION: forcing a failure. [ 122.554535][ T1179] name fail_usercopy, interval 1, probability 0, space 0, times 0 2026/04/13 21:56:22 executed programs: 286 [ 122.555014][ T1178] CPU: 0 PID: 1178 Comm: syz.5.290 Not tainted syzkaller #0 [ 122.574848][ T1178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 122.585508][ T1178] Call Trace: [ 122.588807][ T1178] [ 122.591825][ T1178] __dump_stack+0x21/0x24 [ 122.596196][ T1178] dump_stack_lvl+0x110/0x170 [ 122.600976][ T1178] ? __cfi_dump_stack_lvl+0x8/0x8 [ 122.606270][ T1178] dump_stack+0x15/0x24 [ 122.610433][ T1178] should_fail_ex+0x3d4/0x520 [ 122.615158][ T1178] should_fail+0xb/0x10 [ 122.619421][ T1178] should_fail_usercopy+0x1a/0x20 [ 122.624454][ T1178] _copy_to_user+0x1e/0x90 [ 122.628867][ T1178] simple_read_from_buffer+0xe9/0x160 [ 122.634434][ T1178] proc_fail_nth_read+0x1a6/0x220 [ 122.639570][ T1178] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 122.641905][ T1177] FAULT_INJECTION: forcing a failure. [ 122.641905][ T1177] name failslab, interval 1, probability 0, space 0, times 0 [ 122.645132][ T1178] ? security_file_permission+0x94/0xb0 [ 122.663715][ T1178] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 122.664791][ T1182] FAULT_INJECTION: forcing a failure. [ 122.664791][ T1182] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 122.669323][ T1178] vfs_read+0x27a/0x910 [ 122.669350][ T1178] ? __cfi_vfs_read+0x10/0x10 [ 122.669370][ T1178] ? __kasan_check_write+0x14/0x20 [ 122.669385][ T1178] ? mutex_lock+0x93/0x1b0 [ 122.669399][ T1178] ? __cfi_mutex_lock+0x10/0x10 [ 122.705993][ T1178] ? __fdget_pos+0x2cd/0x380 [ 122.710579][ T1178] ? ksys_read+0x71/0x250 [ 122.715079][ T1178] ksys_read+0x149/0x250 [ 122.719320][ T1178] ? __cfi_ksys_read+0x10/0x10 [ 122.724083][ T1178] ? debug_smp_processor_id+0x17/0x20 [ 122.729455][ T1178] __x64_sys_read+0x7b/0x90 [ 122.733952][ T1178] x64_sys_call+0x2f/0x9a0 [ 122.738386][ T1178] do_syscall_64+0x4c/0xa0 [ 122.742830][ T1178] ? clear_bhb_loop+0x30/0x80 [ 122.747521][ T1178] ? clear_bhb_loop+0x30/0x80 [ 122.752217][ T1178] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 122.758121][ T1178] RIP: 0033:0x7fe84375ac4e [ 122.762553][ T1178] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 122.782174][ T1178] RSP: 002b:00007fe8445e3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 122.790599][ T1178] RAX: ffffffffffffffda RBX: 00007fe8445e46c0 RCX: 00007fe84375ac4e [ 122.798619][ T1178] RDX: 000000000000000f RSI: 00007fe8445e40a0 RDI: 0000000000000006 [ 122.806795][ T1178] RBP: 00007fe8445e4090 R08: 0000000000000000 R09: 0000000000000000 [ 122.815068][ T1178] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 122.823223][ T1178] R13: 00007fe8439e6128 R14: 00007fe8439e6090 R15: 00007ffce000fd08 [ 122.831408][ T1178] [ 122.834526][ T1179] CPU: 1 PID: 1179 Comm: syz.3.291 Not tainted syzkaller #0 [ 122.841816][ T1179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 122.851873][ T1179] Call Trace: [ 122.855164][ T1179] [ 122.858099][ T1179] __dump_stack+0x21/0x24 [ 122.862444][ T1179] dump_stack_lvl+0x110/0x170 [ 122.867402][ T1179] ? __cfi_dump_stack_lvl+0x8/0x8 [ 122.872438][ T1179] dump_stack+0x15/0x24 [ 122.876690][ T1179] should_fail_ex+0x3d4/0x520 [ 122.881720][ T1179] should_fail+0xb/0x10 [ 122.885967][ T1179] should_fail_usercopy+0x1a/0x20 [ 122.890978][ T1179] _copy_to_user+0x1e/0x90 [ 122.895497][ T1179] simple_read_from_buffer+0xe9/0x160 [ 122.900866][ T1179] proc_fail_nth_read+0x1a6/0x220 [ 122.905892][ T1179] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 122.911516][ T1179] ? security_file_permission+0x94/0xb0 [ 122.917199][ T1179] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 122.922856][ T1179] vfs_read+0x27a/0x910 [ 122.927016][ T1179] ? __cfi_vfs_read+0x10/0x10 [ 122.931820][ T1179] ? __kasan_check_write+0x14/0x20 [ 122.937285][ T1179] ? mutex_lock+0x93/0x1b0 [ 122.941727][ T1179] ? __cfi_mutex_lock+0x10/0x10 [ 122.946610][ T1179] ? __fdget_pos+0x2cd/0x380 [ 122.951208][ T1179] ? ksys_read+0x71/0x250 [ 122.955533][ T1179] ksys_read+0x149/0x250 [ 122.959769][ T1179] ? __cfi_ksys_read+0x10/0x10 [ 122.964698][ T1179] ? debug_smp_processor_id+0x17/0x20 [ 122.970079][ T1179] __x64_sys_read+0x7b/0x90 [ 122.974574][ T1179] x64_sys_call+0x2f/0x9a0 [ 122.979084][ T1179] do_syscall_64+0x4c/0xa0 [ 122.983544][ T1179] ? clear_bhb_loop+0x30/0x80 [ 122.988259][ T1179] ? clear_bhb_loop+0x30/0x80 [ 122.992946][ T1179] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 122.998824][ T1179] RIP: 0033:0x7f1fa355ac4e [ 123.003244][ T1179] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 123.022836][ T1179] RSP: 002b:00007f1fa4456fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 123.031241][ T1179] RAX: ffffffffffffffda RBX: 00007f1fa44576c0 RCX: 00007f1fa355ac4e [ 123.039199][ T1179] RDX: 000000000000000f RSI: 00007f1fa44570a0 RDI: 0000000000000006 [ 123.047242][ T1179] RBP: 00007f1fa4457090 R08: 0000000000000000 R09: 0000000000000000 [ 123.055197][ T1179] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 123.063245][ T1179] R13: 00007f1fa37e6128 R14: 00007f1fa37e6090 R15: 00007ffe043d8638 [ 123.071208][ T1179] [ 123.074665][ T1182] CPU: 1 PID: 1182 Comm: syz.0.294 Not tainted syzkaller #0 [ 123.081961][ T1182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 123.092005][ T1182] Call Trace: [ 123.095399][ T1182] [ 123.098317][ T1182] __dump_stack+0x21/0x24 [ 123.102921][ T1182] dump_stack_lvl+0x110/0x170 [ 123.107680][ T1182] ? __cfi_dump_stack_lvl+0x8/0x8 [ 123.112694][ T1182] dump_stack+0x15/0x24 [ 123.116852][ T1182] should_fail_ex+0x3d4/0x520 [ 123.121542][ T1182] should_fail+0xb/0x10 [ 123.125693][ T1182] should_fail_usercopy+0x1a/0x20 [ 123.130711][ T1182] _copy_to_user+0x1e/0x90 [ 123.135135][ T1182] simple_read_from_buffer+0xe9/0x160 [ 123.140636][ T1182] proc_fail_nth_read+0x1a6/0x220 [ 123.145691][ T1182] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 123.151257][ T1182] ? security_file_permission+0x94/0xb0 [ 123.156808][ T1182] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 123.162513][ T1182] vfs_read+0x27a/0x910 [ 123.166676][ T1182] ? __cfi_vfs_read+0x10/0x10 [ 123.171361][ T1182] ? __kasan_check_write+0x14/0x20 [ 123.176469][ T1182] ? mutex_lock+0x93/0x1b0 [ 123.180905][ T1182] ? __cfi_mutex_lock+0x10/0x10 [ 123.185933][ T1182] ? __fdget_pos+0x2cd/0x380 [ 123.190534][ T1182] ? ksys_read+0x71/0x250 [ 123.194867][ T1182] ksys_read+0x149/0x250 [ 123.199099][ T1182] ? __cfi_ksys_read+0x10/0x10 [ 123.203844][ T1182] ? debug_smp_processor_id+0x17/0x20 [ 123.209202][ T1182] __x64_sys_read+0x7b/0x90 [ 123.213730][ T1182] x64_sys_call+0x2f/0x9a0 [ 123.218229][ T1182] do_syscall_64+0x4c/0xa0 [ 123.222680][ T1182] ? clear_bhb_loop+0x30/0x80 [ 123.227338][ T1182] ? clear_bhb_loop+0x30/0x80 [ 123.231998][ T1182] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 123.237959][ T1182] RIP: 0033:0x7f9076b5ac4e [ 123.242444][ T1182] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 123.262124][ T1182] RSP: 002b:00007f9077ac9fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 123.270618][ T1182] RAX: ffffffffffffffda RBX: 00007f9077aca6c0 RCX: 00007f9076b5ac4e [ 123.278581][ T1182] RDX: 000000000000000f RSI: 00007f9077aca0a0 RDI: 0000000000000004 [ 123.286536][ T1182] RBP: 00007f9077aca090 R08: 0000000000000000 R09: 0000000000000000 [ 123.294501][ T1182] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 123.302468][ T1182] R13: 00007f9076de6128 R14: 00007f9076de6090 R15: 00007ffe1140a2a8 [ 123.310438][ T1182] [ 123.313781][ T1177] CPU: 0 PID: 1177 Comm: syz.6.293 Not tainted syzkaller #0 [ 123.321281][ T1177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 123.331527][ T1177] Call Trace: [ 123.334839][ T1177] [ 123.337769][ T1177] __dump_stack+0x21/0x24 [ 123.342104][ T1177] dump_stack_lvl+0x110/0x170 [ 123.346855][ T1177] ? __cfi_dump_stack_lvl+0x8/0x8 [ 123.352016][ T1177] ? unwind_get_return_address+0x4d/0x90 [ 123.357646][ T1177] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 123.363794][ T1177] dump_stack+0x15/0x24 [ 123.367943][ T1177] should_fail_ex+0x3d4/0x520 [ 123.372603][ T1177] __should_failslab+0xac/0xf0 [ 123.377360][ T1177] ? tracepoint_probe_unregister+0x211/0x8e0 [ 123.383346][ T1177] should_failslab+0x9/0x20 [ 123.387847][ T1177] __kmem_cache_alloc_node+0x3d/0x2c0 [ 123.393215][ T1177] ? __cfi_mutex_lock+0x10/0x10 [ 123.398054][ T1177] ? delete_node+0x2f4/0xa60 [ 123.402743][ T1177] ? tracepoint_probe_unregister+0x211/0x8e0 [ 123.408902][ T1177] __kmalloc+0xa1/0x1e0 [ 123.413066][ T1177] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 123.419139][ T1177] tracepoint_probe_unregister+0x211/0x8e0 [ 123.424972][ T1177] bpf_probe_unregister+0x61/0x70 [ 123.430000][ T1177] bpf_raw_tp_link_release+0x63/0x90 [ 123.435296][ T1177] bpf_link_free+0x13a/0x3a0 [ 123.439877][ T1177] ? bpf_link_put_deferred+0x20/0x20 [ 123.445278][ T1177] bpf_link_release+0x15f/0x170 [ 123.450148][ T1177] ? __cfi_bpf_link_release+0x10/0x10 [ 123.455618][ T1177] __fput+0x1fc/0x8f0 [ 123.459695][ T1177] ____fput+0x15/0x20 [ 123.463771][ T1177] task_work_run+0x1e1/0x250 [ 123.468348][ T1177] ? __cfi_task_work_run+0x10/0x10 [ 123.473455][ T1177] ? fput+0x15b/0x1a0 [ 123.477427][ T1177] exit_to_user_mode_loop+0x9b/0xb0 [ 123.482830][ T1177] exit_to_user_mode_prepare+0x87/0xd0 [ 123.488315][ T1177] syscall_exit_to_user_mode+0x1a/0x30 [ 123.493784][ T1177] do_syscall_64+0x58/0xa0 [ 123.498199][ T1177] ? clear_bhb_loop+0x30/0x80 [ 123.502872][ T1177] ? clear_bhb_loop+0x30/0x80 [ 123.507807][ T1177] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 123.513889][ T1177] RIP: 0033:0x7f8d90d9a379 [ 123.518307][ T1177] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 123.537915][ T1177] RSP: 002b:00007f8d90bff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 123.546316][ T1177] RAX: 0000000000000000 RBX: 00007f8d90fe5fa0 RCX: 00007f8d90d9a379 [ 123.554365][ T1177] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 123.562424][ T1177] RBP: 00007f8d90bff090 R08: 0000000000000000 R09: 0000000000000000 [ 123.570503][ T1177] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 123.578477][ T1177] R13: 00007f8d90fe6038 R14: 00007f8d90fe5fa0 R15: 00007ffe971c0378 [ 123.586475][ T1177] [ 123.590122][ T1175] FAULT_INJECTION: forcing a failure. [ 123.590122][ T1175] name failslab, interval 1, probability 0, space 0, times 0 [ 123.603539][ T1175] CPU: 0 PID: 1175 Comm: syz.4.292 Not tainted syzkaller #0 [ 123.610825][ T1175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 123.620901][ T1175] Call Trace: [ 123.624171][ T1175] [ 123.627090][ T1175] __dump_stack+0x21/0x24 [ 123.631516][ T1175] dump_stack_lvl+0x110/0x170 [ 123.636369][ T1175] ? __cfi_dump_stack_lvl+0x8/0x8 [ 123.641433][ T1175] ? unwind_get_return_address+0x4d/0x90 [ 123.647062][ T1175] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 123.653208][ T1175] dump_stack+0x15/0x24 [ 123.657421][ T1175] should_fail_ex+0x3d4/0x520 [ 123.662287][ T1175] __should_failslab+0xac/0xf0 [ 123.667144][ T1175] ? tracepoint_probe_unregister+0x211/0x8e0 [ 123.673212][ T1175] should_failslab+0x9/0x20 [ 123.677704][ T1175] __kmem_cache_alloc_node+0x3d/0x2c0 [ 123.683149][ T1175] ? __cfi_mutex_lock+0x10/0x10 [ 123.687986][ T1175] ? delete_node+0x2f4/0xa60 [ 123.692585][ T1175] ? tracepoint_probe_unregister+0x211/0x8e0 [ 123.698558][ T1175] __kmalloc+0xa1/0x1e0 [ 123.702709][ T1175] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 123.708882][ T1175] tracepoint_probe_unregister+0x211/0x8e0 [ 123.715003][ T1175] bpf_probe_unregister+0x61/0x70 [ 123.720046][ T1175] bpf_raw_tp_link_release+0x63/0x90 [ 123.725434][ T1175] bpf_link_free+0x13a/0x3a0 [ 123.730019][ T1175] ? bpf_link_put_deferred+0x20/0x20 [ 123.735324][ T1175] bpf_link_release+0x15f/0x170 [ 123.740269][ T1175] ? __cfi_bpf_link_release+0x10/0x10 [ 123.746128][ T1175] __fput+0x1fc/0x8f0 [ 123.750221][ T1175] ____fput+0x15/0x20 [ 123.754285][ T1175] task_work_run+0x1e1/0x250 [ 123.759237][ T1175] ? __cfi_task_work_run+0x10/0x10 [ 123.764691][ T1175] ? fput+0x15b/0x1a0 [ 123.768831][ T1175] exit_to_user_mode_loop+0x9b/0xb0 [ 123.774291][ T1175] exit_to_user_mode_prepare+0x87/0xd0 [ 123.779851][ T1175] syscall_exit_to_user_mode+0x1a/0x30 [ 123.785490][ T1175] do_syscall_64+0x58/0xa0 [ 123.790309][ T1175] ? clear_bhb_loop+0x30/0x80 [ 123.794992][ T1175] ? clear_bhb_loop+0x30/0x80 [ 123.799702][ T1175] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 123.806146][ T1175] RIP: 0033:0x7f823419a379 [ 123.810591][ T1175] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 123.830535][ T1175] RSP: 002b:00007f8234f73028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 123.839044][ T1175] RAX: 0000000000000000 RBX: 00007f82343e5fa0 RCX: 00007f823419a379 [ 123.847103][ T1175] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 123.855083][ T1175] RBP: 00007f8234f73090 R08: 0000000000000000 R09: 0000000000000000 [ 123.863368][ T1175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 123.871506][ T1175] R13: 00007f82343e6038 R14: 00007f82343e5fa0 R15: 00007ffede02c968 [ 123.876997][ T1187] FAULT_INJECTION: forcing a failure. [ 123.876997][ T1187] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 123.879770][ T1175] [ 123.896056][ T1187] CPU: 1 PID: 1187 Comm: syz.0.295 Not tainted syzkaller #0 [ 123.896716][ C0] CFI failure at __traceiter_neigh_update+0x9d/0xf0 (target: 0xffffc900000074f0; expected type: 0xcdd4cfdd) [ 123.903388][ T1187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 123.914986][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 123.924978][ T1187] Call Trace: [ 123.924990][ T1187] [ 123.931029][ C0] CPU: 0 PID: 58 Comm: kworker/0:2 Not tainted syzkaller #0 [ 123.934529][ T1187] __dump_stack+0x21/0x24 [ 123.937447][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 123.945150][ T1187] dump_stack_lvl+0x110/0x170 [ 123.949472][ C0] Workqueue: rcu_gp srcu_invoke_callbacks [ 123.959535][ T1187] ? __cfi_dump_stack_lvl+0x8/0x8 [ 123.964311][ C0] [ 123.964323][ C0] RIP: 0010:__traceiter_neigh_update+0x9d/0xf0 [ 123.970161][ T1187] dump_stack+0x15/0x24 [ 123.975290][ C0] Code: 05 e8 c7 b3 b1 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 [ 123.977627][ T1187] should_fail_ex+0x3d4/0x520 [ 123.984030][ C0] RSP: 0018:ffffc900000074f0 EFLAGS: 00010282 [ 123.988286][ T1187] should_fail+0xb/0x10 [ 124.008158][ C0] [ 124.008166][ C0] RAX: 1ffff1102256094c RBX: ffff888112b04a58 RCX: 0000000000000004 [ 124.012828][ T1187] should_fail_usercopy+0x1a/0x20 [ 124.018872][ C0] RDX: ffff88811bbb2056 RSI: ffff88811fdea800 RDI: ffffc900034c3000 [ 124.023103][ T1187] _copy_to_user+0x1e/0x90 [ 124.025441][ C0] RBP: ffffc90000007530 R08: 0000000000000001 R09: 0000000000000000 [ 124.033702][ T1187] simple_read_from_buffer+0xe9/0x160 [ 124.038802][ C0] R10: 00000000d76b972f R11: 0000000000000100 R12: ffffffff81728f60 [ 124.046989][ T1187] proc_fail_nth_read+0x1a6/0x220 [ 124.051388][ C0] R13: 0000000000000004 R14: ffff888112b04a58 R15: dffffc0000000000 [ 124.059341][ T1187] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 124.064773][ C0] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 124.072818][ T1187] ? security_file_permission+0x94/0xb0 [ 124.077817][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 124.086379][ T1187] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 124.091910][ C0] CR2: 0000000000000000 CR3: 000000013068a000 CR4: 00000000003506b0 [ 124.100910][ T1187] vfs_read+0x27a/0x910 [ 124.106977][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 124.113647][ T1187] ? __cfi_vfs_read+0x10/0x10 [ 124.119168][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 124.127119][ T1187] ? __kasan_check_write+0x14/0x20 [ 124.131267][ C0] Call Trace: [ 124.139483][ T1187] ? mutex_lock+0x93/0x1b0 [ 124.144149][ C0] [ 124.152290][ T1187] ? __cfi_mutex_lock+0x10/0x10 [ 124.157561][ C0] __neigh_update+0x1f48/0x2080 [ 124.160836][ T1187] ? __fdget_pos+0x2cd/0x380 [ 124.165332][ C0] ? neigh_lookup+0x354/0x410 [ 124.168173][ T1187] ? ksys_read+0x71/0x250 [ 124.173366][ C0] ? __cfi_arp_key_eq+0x10/0x10 [ 124.178294][ T1187] ksys_read+0x149/0x250 [ 124.182974][ C0] ? __cfi_neigh_lookup+0x10/0x10 [ 124.187738][ T1187] ? __cfi_ksys_read+0x10/0x10 [ 124.192245][ C0] neigh_event_ns+0xb3/0x120 [ 124.197075][ T1187] ? debug_smp_processor_id+0x17/0x20 [ 124.201319][ C0] arp_process+0x12fc/0x1910 [ 124.206321][ T1187] __x64_sys_read+0x7b/0x90 [ 124.211074][ C0] ? __cfi_arp_process+0x10/0x10 [ 124.215642][ T1187] x64_sys_call+0x2f/0x9a0 [ 124.221076][ C0] ? __cfi_packet_rcv+0x10/0x10 [ 124.226187][ T1187] do_syscall_64+0x4c/0xa0 [ 124.231117][ C0] ? __netif_receive_skb_core+0x2e2c/0x35d0 [ 124.236396][ T1187] ? clear_bhb_loop+0x30/0x80 [ 124.240824][ C0] ? __cfi_arp_process+0x10/0x10 [ 124.245738][ T1187] ? clear_bhb_loop+0x30/0x80 [ 124.250235][ C0] NF_HOOK+0x177/0x1d0 [ 124.256222][ T1187] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 124.260889][ C0] ? __cfi_arp_process+0x10/0x10 [ 124.265822][ T1187] RIP: 0033:0x7f9076b5ac4e [ 124.270490][ C0] ? arp_xmit+0x1f0/0x1f0 [ 124.274535][ T1187] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 124.280525][ C0] ? qdisc_run+0x240/0x240 [ 124.285488][ T1187] RSP: 002b:00007f9077ac9fe8 EFLAGS: 00000246 [ 124.289993][ C0] ? __kasan_check_read+0x11/0x20 [ 124.294402][ T1187] ORIG_RAX: 0000000000000000 [ 124.294418][ T1187] RAX: ffffffffffffffda RBX: 00007f9077aca6c0 RCX: 00007f9076b5ac4e [ 124.314480][ C0] arp_rcv+0x2ef/0x480 [ 124.318868][ T1187] RDX: 000000000000000f RSI: 00007f9077aca0a0 RDI: 0000000000000006 [ 124.324933][ C0] ? __cfi_arp_rcv+0x10/0x10 [ 124.329941][ T1187] RBP: 00007f9077aca090 R08: 0000000000000000 R09: 0000000000000000 [ 124.334748][ C0] __netif_receive_skb_list_core+0x71e/0x780 [ 124.342988][ T1187] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 124.347053][ C0] ? set_rps_cpu+0x5e0/0x5e0 [ 124.355177][ T1187] R13: 00007f9076de6128 R14: 00007f9076de6090 R15: 00007ffe1140a2a8 [ 124.359833][ C0] ? receive_buf+0x207b/0x4960 [ 124.367873][ T1187] [ 124.373950][ C0] netif_receive_skb_list_internal+0x7f8/0xab0 [ 124.408620][ C0] ? __cfi_netif_receive_skb_list_internal+0x10/0x10 [ 124.415315][ C0] ? detach_buf_split+0x882/0xa80 [ 124.420346][ C0] napi_complete_done+0x36f/0x7a0 [ 124.425456][ C0] ? __cfi_napi_complete_done+0x10/0x10 [ 124.430997][ C0] ? virtqueue_enable_cb_prepare+0x22e/0x510 [ 124.437422][ C0] virtnet_poll+0x9b7/0x1180 [ 124.442008][ C0] ? __cfi_virtnet_poll+0x10/0x10 [ 124.447108][ C0] __napi_poll+0xd0/0x5e0 [ 124.451425][ C0] net_rx_action+0x4b6/0xac0 [ 124.456099][ C0] ? __cfi_net_rx_action+0x10/0x10 [ 124.461571][ C0] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 124.467427][ C0] ? irqtime_account_irq+0x75/0x240 [ 124.472624][ C0] handle_softirqs+0x1d7/0x600 [ 124.477376][ C0] __do_softirq+0xb/0xd [ 124.481520][ C0] do_softirq+0xdc/0x130 [ 124.485833][ C0] [ 124.488747][ C0] [ 124.491659][ C0] ? __cfi_do_softirq+0x10/0x10 [ 124.496582][ C0] ? complete+0x167/0x1c0 [ 124.500990][ C0] ? srcu_invoke_callbacks+0x219/0x420 [ 124.506455][ C0] __local_bh_enable_ip+0x75/0x80 [ 124.511744][ C0] srcu_invoke_callbacks+0x1d8/0x420 [ 124.517135][ C0] ? _raw_spin_unlock+0x4c/0x70 [ 124.522099][ C0] ? __cfi_srcu_invoke_callbacks+0x10/0x10 [ 124.527978][ C0] ? __schedule+0xbae/0x1500 [ 124.532594][ C0] process_one_work+0x71f/0xc40 [ 124.537635][ C0] worker_thread+0xa29/0x11e0 [ 124.542389][ C0] ? __kthread_parkme+0x142/0x180 [ 124.547491][ C0] kthread+0x281/0x320 [ 124.551545][ C0] ? __cfi_worker_thread+0x10/0x10 [ 124.556636][ C0] ? __cfi_kthread+0x10/0x10 [ 124.561209][ C0] ret_from_fork+0x1f/0x30 [ 124.565704][ C0] [ 124.568702][ C0] Modules linked in: [ 124.572624][ C0] ---[ end trace 0000000000000000 ]--- [ 124.578203][ C0] RIP: 0010:__traceiter_neigh_update+0x9d/0xf0 [ 124.584504][ C0] Code: 05 e8 c7 b3 b1 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 [ 124.604268][ C0] RSP: 0018:ffffc900000074f0 EFLAGS: 00010282 [ 124.610362][ C0] RAX: 1ffff1102256094c RBX: ffff888112b04a58 RCX: 0000000000000004 [ 124.618352][ C0] RDX: ffff88811bbb2056 RSI: ffff88811fdea800 RDI: ffffc900034c3000 [ 124.626443][ C0] RBP: ffffc90000007530 R08: 0000000000000001 R09: 0000000000000000 [ 124.634420][ C0] R10: 00000000d76b972f R11: 0000000000000100 R12: ffffffff81728f60 [ 124.641412][ T1188] FAULT_INJECTION: forcing a failure. [ 124.641412][ T1188] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 124.642426][ C0] R13: 0000000000000004 R14: ffff888112b04a58 R15: dffffc0000000000 [ 124.655860][ T1188] CPU: 1 PID: 1188 Comm: syz.6.296 Tainted: G D syzkaller #0 [ 124.663514][ C0] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 124.672592][ T1188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 124.672605][ T1188] Call Trace: [ 124.672611][ T1188] [ 124.672620][ T1188] __dump_stack+0x21/0x24 [ 124.681655][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 124.691706][ T1188] dump_stack_lvl+0x110/0x170 [ 124.691741][ T1188] ? __cfi_dump_stack_lvl+0x8/0x8 [ 124.695008][ C0] CR2: 0000000000000000 CR3: 000000000700f000 CR4: 00000000003506b0 [ 124.697928][ T1188] dump_stack+0x15/0x24 [ 124.697948][ T1188] should_fail_ex+0x3d4/0x520 [ 124.702523][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 124.709183][ T1188] should_fail+0xb/0x10 [ 124.709205][ T1188] should_fail_usercopy+0x1a/0x20 [ 124.713944][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 124.718941][ T1188] _copy_to_user+0x1e/0x90 [ 124.718962][ T1188] simple_read_from_buffer+0xe9/0x160 [ 124.727091][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 124.731297][ T1188] proc_fail_nth_read+0x1a6/0x220 [ 124.731316][ T1188] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 124.731333][ T1188] ? security_file_permission+0x94/0xb0 [ 124.731353][ T1188] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 124.731368][ T1188] vfs_read+0x27a/0x910 [ 124.731390][ T1188] ? __cfi_vfs_read+0x10/0x10 [ 124.731409][ T1188] ? __kasan_check_write+0x14/0x20 [ 124.731424][ T1188] ? mutex_lock+0x93/0x1b0 [ 124.731440][ T1188] ? __cfi_mutex_lock+0x10/0x10 [ 124.731458][ T1188] ? __fdget_pos+0x2cd/0x380 [ 124.731472][ T1188] ? ksys_read+0x71/0x250 [ 124.731486][ T1188] ksys_read+0x149/0x250 [ 124.731499][ T1188] ? __cfi_ksys_read+0x10/0x10 [ 124.731514][ T1188] ? debug_smp_processor_id+0x17/0x20 [ 124.731534][ T1188] __x64_sys_read+0x7b/0x90 [ 124.731548][ T1188] x64_sys_call+0x2f/0x9a0 [ 124.731566][ T1188] do_syscall_64+0x4c/0xa0 [ 124.731585][ T1188] ? clear_bhb_loop+0x30/0x80 [ 124.731602][ T1188] ? clear_bhb_loop+0x30/0x80 [ 124.731619][ T1188] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 124.731635][ T1188] RIP: 0033:0x7f8d90d5ac4e [ 124.731650][ T1188] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 124.731664][ T1188] RSP: 002b:00007f8d90bddfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 124.731681][ T1188] RAX: ffffffffffffffda RBX: 00007f8d90bde6c0 RCX: 00007f8d90d5ac4e [ 124.731693][ T1188] RDX: 000000000000000f RSI: 00007f8d90bde0a0 RDI: 0000000000000006 [ 124.731704][ T1188] RBP: 00007f8d90bde090 R08: 0000000000000000 R09: 0000000000000000 [ 124.731715][ T1188] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 124.731725][ T1188] R13: 00007f8d90fe6128 R14: 00007f8d90fe6090 R15: 00007ffe971c0378 [ 124.731741][ T1188] [ 124.732012][ C0] Kernel Offset: disabled [ 124.955735][ C0] Rebooting in 86400 seconds..