detach_if_pending+0xf5/0x300 [ 66.660955][ T64] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 66.666799][ T64] ? del_timer_sync+0x144/0x1a0 [ 66.671667][ T64] kjournald2+0x43d/0x860 [ 66.676020][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 66.681236][ T64] ? io_schedule+0xe0/0xe0 [ 66.685673][ T64] ? __kasan_check_read+0x11/0x20 [ 66.690806][ T64] ? __kthread_parkme+0xab/0x1f0 [ 66.695762][ T64] kthread+0x3f5/0x4f0 [ 66.699846][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 66.705061][ T64] ? kthread_blkcg+0xd0/0xd0 [ 66.709671][ T64] ret_from_fork+0x1f/0x30 [ 66.714107][ T64] [ 66.717191][ T322] CPU: 1 PID: 322 Comm: kworker/1:2 Not tainted syzkaller #0 [ 66.724589][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 66.734791][ T322] Workqueue: mld mld_ifc_work [ 66.739690][ T322] Call Trace: [ 66.742988][ T322] [ 66.745937][ T322] __dump_stack+0x21/0x30 [ 66.750319][ T322] dump_stack_lvl+0x110/0x170 [ 66.755098][ T322] ? show_regs_print_info+0x20/0x20 [ 66.760317][ T322] dump_stack+0x15/0x20 [ 66.764483][ T322] should_fail+0x3ab/0x500 [ 66.768942][ T322] __should_failslab+0xa4/0xe0 [ 66.773729][ T322] should_failslab+0x9/0x20 [ 66.778255][ T322] slab_pre_alloc_hook+0x39/0xd0 [ 66.783219][ T322] ? __alloc_skb+0xe4/0x730 [ 66.787744][ T322] kmem_cache_alloc+0x44/0x260 [ 66.792532][ T322] __alloc_skb+0xe4/0x730 [ 66.796890][ T322] mld_newpack+0x143/0x9e0 [ 66.801411][ T322] ? __queue_delayed_work+0x173/0x200 [ 66.806888][ T322] ? mld_sendpack+0xba0/0xba0 [ 66.811582][ T322] ? queue_delayed_work_on+0x10d/0x160 [ 66.817066][ T322] ? delayed_work_timer_fn+0x80/0x80 [ 66.823022][ T322] add_grec+0xee8/0x1340 [ 66.827301][ T322] ? wait_for_completion_killable_timeout+0x10/0x10 [ 66.833919][ T322] mld_ifc_work+0x728/0xc40 [ 66.838630][ T322] ? _raw_spin_lock_irqsave+0x130/0x130 [ 66.844308][ T322] process_one_work+0x6c8/0xbb0 [ 66.849198][ T322] worker_thread+0xaa0/0x1250 [ 66.853916][ T322] ? __kasan_check_read+0x11/0x20 [ 66.859057][ T322] kthread+0x3f5/0x4f0 [ 66.863243][ T322] ? worker_clr_flags+0x190/0x190 [ 66.868288][ T322] ? kthread_blkcg+0xd0/0xd0 [ 66.872899][ T322] ret_from_fork+0x1f/0x30 [ 66.877333][ T322] [ 66.880370][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 66.887162][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 66.897230][ T90] Call Trace: [ 66.900524][ T90] [ 66.903501][ T90] __dump_stack+0x21/0x30 [ 66.907847][ T90] dump_stack_lvl+0x110/0x170 [ 66.912539][ T90] ? show_regs_print_info+0x20/0x20 [ 66.917931][ T90] ? prandom_u32+0x24d/0x290 [ 66.922628][ T90] dump_stack+0x15/0x20 [ 66.926798][ T90] should_fail+0x3ab/0x500 [ 66.931237][ T90] __should_failslab+0xa4/0xe0 [ 66.936019][ T90] should_failslab+0x9/0x20 [ 66.940555][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 66.945578][ T90] ? __alloc_skb+0xe4/0x730 [ 66.950191][ T90] kmem_cache_alloc+0x44/0x260 [ 66.954981][ T90] __alloc_skb+0xe4/0x730 [ 66.959334][ T90] alloc_skb_with_frags+0xa8/0x620 [ 66.964580][ T90] ? memcpy+0x56/0x70 [ 66.968775][ T90] sock_alloc_send_pskb+0x87f/0x9a0 [ 66.974113][ T90] ? sock_kzfree_s+0x60/0x60 [ 66.979064][ T90] ? __kasan_check_write+0x14/0x20 [ 66.984217][ T90] ? _raw_spin_lock+0x94/0xf0 [ 66.988923][ T90] ? _raw_spin_trylock_bh+0x150/0x150 [ 66.994323][ T90] unix_dgram_sendmsg+0x6f3/0x19b0 [ 66.999464][ T90] ? unix_dgram_poll+0x6c0/0x6c0 [ 67.004429][ T90] ? security_socket_sendmsg+0x82/0xa0 [ 67.009998][ T90] __sys_sendto+0x46d/0x620 [ 67.014658][ T90] ? __ia32_sys_getpeername+0x90/0x90 [ 67.020420][ T90] ? __kasan_check_write+0x14/0x20 [ 67.025560][ T90] __x64_sys_sendto+0xe5/0x100 [ 67.030340][ T90] x64_sys_call+0x178/0x9a0 [ 67.034865][ T90] do_syscall_64+0x4c/0xa0 [ 67.039295][ T90] ? clear_bhb_loop+0x50/0xa0 [ 67.043994][ T90] ? clear_bhb_loop+0x50/0xa0 [ 67.048688][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.054684][ T90] RIP: 0033:0x7f3faae5f407 [ 67.059114][ T90] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 67.078738][ T90] RSP: 002b:00007ffd2389c570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 67.087316][ T90] RAX: ffffffffffffffda RBX: 00007f3faad0fc80 RCX: 00007f3faae5f407 [ 67.095406][ T90] RDX: 000000000000003d RSI: 00007ffd2389c6b0 RDI: 0000000000000003 [ 67.103401][ T90] RBP: 00007ffd2389cae0 R08: 0000000000000000 R09: 0000000000000000 [ 67.111411][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd2389caf8 [ 67.119407][ T90] R13: 00007ffd2389c6b0 R14: 0000000000000022 R15: 00007ffd2389c6b0 [ 67.127406][ T90] [ 67.130445][ T367] CPU: 1 PID: 367 Comm: syz-executor Not tainted syzkaller #0 [ 67.138290][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 67.148370][ T367] Call Trace: [ 67.151674][ T367] [ 67.154656][ T367] __dump_stack+0x21/0x30 [ 67.159448][ T367] dump_stack_lvl+0x110/0x170 [ 67.164335][ T367] ? show_regs_print_info+0x20/0x20 [ 67.169573][ T367] dump_stack+0x15/0x20 [ 67.173755][ T367] should_fail+0x3ab/0x500 [ 67.178194][ T367] __should_failslab+0xa4/0xe0 [ 67.182986][ T367] should_failslab+0x9/0x20 [ 67.187520][ T367] slab_pre_alloc_hook+0x39/0xd0 [ 67.192490][ T367] ? __alloc_skb+0xe4/0x730 [ 67.197021][ T367] kmem_cache_alloc+0x44/0x260 [ 67.201835][ T367] ? br_get_link_af_size_filtered+0xdc/0x190 [ 67.207839][ T367] __alloc_skb+0xe4/0x730 [ 67.212282][ T367] rtmsg_ifinfo_build_skb+0x75/0x180 [ 67.217593][ T367] rtmsg_ifinfo+0x7a/0x130 [ 67.222043][ T367] dev_close_many+0x26b/0x4d0 [ 67.226740][ T367] ? __dev_open+0x500/0x500 [ 67.231263][ T367] ? _raw_spin_lock+0x94/0xf0 [ 67.235961][ T367] ? __kasan_check_read+0x11/0x20 [ 67.241011][ T367] unregister_netdevice_many+0x477/0x1a00 [ 67.246757][ T367] ? __queue_work+0x903/0xc60 [ 67.251496][ T367] ? alloc_netdev_mqs+0xe20/0xe20 [ 67.256549][ T367] ? __queue_delayed_work+0x188/0x200 [ 67.262034][ T367] ? __kasan_check_read+0x11/0x20 [ 67.267210][ T367] unregister_netdevice_queue+0x2e1/0x320 [ 67.272952][ T367] ? __kasan_check_read+0x11/0x20 [ 67.278262][ T367] ? linkwatch_urgent_event+0x34d/0x460 [ 67.284115][ T367] ? list_netdevice+0x4c0/0x4c0 [ 67.288989][ T367] __tun_detach+0xc9d/0x1450 [ 67.293619][ T367] tun_chr_close+0x92/0x140 [ 67.298174][ T367] ? tun_chr_open+0x540/0x540 [ 67.302883][ T367] __fput+0x22b/0x900 [ 67.306894][ T367] ____fput+0x15/0x20 [ 67.310893][ T367] task_work_run+0x127/0x190 [ 67.315499][ T367] do_exit+0xb70/0x29a0 [ 67.319676][ T367] ? put_task_struct+0x90/0x90 [ 67.324579][ T367] ? __fdget_pos+0x1f7/0x380 [ 67.329200][ T367] ? ksys_write+0x1eb/0x260 [ 67.333733][ T367] ? __ia32_sys_read+0x90/0x90 [ 67.338825][ T367] do_group_exit+0x149/0x310 [ 67.343442][ T367] __x64_sys_exit_group+0x3f/0x40 [ 67.348487][ T367] x64_sys_call+0x832/0x9a0 [ 67.353395][ T367] do_syscall_64+0x4c/0xa0 [ 67.357831][ T367] ? clear_bhb_loop+0x50/0xa0 [ 67.362613][ T367] ? clear_bhb_loop+0x50/0xa0 [ 67.367305][ T367] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.373425][ T367] RIP: 0033:0x7f7807a02e99 [ 67.377964][ T367] Code: Unable to access opcode bytes at RIP 0x7f7807a02e6f. [ 67.385569][ T367] RSP: 002b:00007ffde7329068 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 67.394106][ T367] RAX: ffffffffffffffda RBX: 00007f7807a9832f RCX: 00007f7807a02e99 [ 67.402105][ T367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 67.410100][ T367] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f7807a9830a [ 67.418090][ T367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffde732a2c0 [ 67.426078][ T367] R13: 00007f7807a9830a R14: 000000000000b9fa R15: 00007ffde732a300 [ 67.434077][ T367] [ 67.437172][ T1] CPU: 0 PID: 1 Comm: init Not tainted syzkaller #0 [ 67.443797][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 67.453869][ T1] Call Trace: [ 67.457165][ T1] [ 67.460119][ T1] __dump_stack+0x21/0x30 [ 67.464474][ T1] dump_stack_lvl+0x110/0x170 [ 67.469316][ T1] ? show_regs_print_info+0x20/0x20 [ 67.474550][ T1] ? prandom_u32+0x24d/0x290 [ 67.479173][ T1] dump_stack+0x15/0x20 [ 67.479733][ T101] FAULT_INJECTION: forcing a failure. [ 67.479733][ T101] name failslab, interval 1, probability 10, space 0, times 36 [ 67.483356][ T1] should_fail+0x3ab/0x500 [ 67.498871][ T322] FAULT_INJECTION: forcing a failure. [ 67.498871][ T322] name failslab, interval 1, probability 10, space 0, times 35 [ 67.500550][ T1] __should_failslab+0xa4/0xe0 [ 67.518084][ T1] should_failslab+0x9/0x20 [ 67.522619][ T1] slab_pre_alloc_hook+0x39/0xd0 [ 67.527589][ T1] ? fcntl_setlk+0xa6/0x1070 [ 67.532203][ T1] kmem_cache_alloc+0x44/0x260 [ 67.537003][ T1] fcntl_setlk+0xa6/0x1070 [ 67.541440][ T1] ? avc_has_perm+0x163/0x250 [ 67.546142][ T1] ? vfs_lock_file+0xc0/0xc0 [ 67.550753][ T1] ? avc_has_perm_noaudit+0x490/0x490 [ 67.556145][ T1] ? __kasan_check_write+0x14/0x20 [ 67.561279][ T1] ? _copy_from_user+0x95/0xd0 [ 67.566172][ T1] do_fcntl+0x498/0x1220 [ 67.570444][ T1] ? match_file+0x130/0x130 [ 67.575056][ T1] ? kill_fasync+0x210/0x210 [ 67.579931][ T1] ? security_file_fcntl+0x84/0xa0 [ 67.585065][ T1] __se_sys_fcntl+0xdf/0x1b0 [ 67.589684][ T1] ? debug_smp_processor_id+0x17/0x20 [ 67.595097][ T1] __x64_sys_fcntl+0x7b/0x90 [ 67.599745][ T1] x64_sys_call+0x6b8/0x9a0 [ 67.604281][ T1] do_syscall_64+0x4c/0xa0 [ 67.608716][ T1] ? clear_bhb_loop+0x50/0xa0 [ 67.613501][ T1] ? clear_bhb_loop+0x50/0xa0 [ 67.618207][ T1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.624120][ T1] RIP: 0033:0x7f537693badd [ 67.628555][ T1] Code: 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 c7 44 24 b8 10 00 00 00 48 89 44 24 c8 83 fe 09 74 1a b8 48 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 23 c3 66 2e 0f 1f 84 00 00 00 00 00 48 8d 54 [ 67.648266][ T1] RSP: 002b:00007ffd6165eb28 EFLAGS: 00000293 ORIG_RAX: 0000000000000048 [ 67.656713][ T1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f537693badd [ 67.664762][ T1] RDX: 00007ffd6165eb30 RSI: 0000000000000007 RDI: 0000000000000003 [ 67.672846][ T1] RBP: 0000000000000003 R08: 00007ffd6165eb50 R09: 0000000000000000 [ 67.680834][ T1] R10: 0000000000000008 R11: 0000000000000293 R12: 0000000000000000 [ 67.688819][ T1] R13: 00007ffd6165eb50 R14: 000000000000000c R15: 000055deb7972d98 [ 67.696991][ T1] [ 67.700032][ T2] CPU: 1 PID: 2 Comm: kthreadd Not tainted syzkaller #0 [ 67.700635][ T323] FAULT_INJECTION: forcing a failure. [ 67.700635][ T323] name failslab, interval 1, probability 10, space 0, times 34 [ 67.706995][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 67.729953][ T2] Call Trace: [ 67.733274][ T2] [ 67.736236][ T2] __dump_stack+0x21/0x30 [ 67.740589][ T2] dump_stack_lvl+0x110/0x170 [ 67.745309][ T2] ? show_regs_print_info+0x20/0x20 [ 67.750527][ T2] dump_stack+0x15/0x20 [ 67.754701][ T2] should_fail+0x3ab/0x500 [ 67.759135][ T2] __should_failslab+0xa4/0xe0 [ 67.763930][ T2] should_failslab+0x9/0x20 [ 67.768456][ T2] slab_pre_alloc_hook+0x39/0xd0 [ 67.773413][ T2] ? dup_task_struct+0x57/0xc50 [ 67.778275][ T2] kmem_cache_alloc+0x44/0x260 [ 67.779135][ T90] FAULT_INJECTION: forcing a failure. [ 67.779135][ T90] name failslab, interval 1, probability 10, space 0, times 33 [ 67.783060][ T2] dup_task_struct+0x57/0xc50 [ 67.800504][ T2] ? __kasan_check_write+0x14/0x20 [ 67.805651][ T2] copy_process+0x5e0/0x3280 [ 67.810282][ T2] ? update_load_avg+0x442/0x1110 [ 67.815492][ T2] ? __pidfd_prepare+0x150/0x150 [ 67.820473][ T2] ? __switch_to+0x56c/0x1070 [ 67.825175][ T2] kernel_clone+0x233/0x960 [ 67.829415][ T64] FAULT_INJECTION: forcing a failure. [ 67.829415][ T64] name failslab, interval 1, probability 10, space 0, times 32 [ 67.829698][ T2] ? create_io_thread+0x170/0x170 [ 67.847497][ T2] ? finish_task_switch+0x16b/0x790 [ 67.852718][ T2] ? switch_mm_irqs_off+0x730/0x960 [ 67.858029][ T2] ? kthread_blkcg+0xd0/0xd0 [ 67.862638][ T2] kernel_thread+0xfe/0x170 [ 67.867167][ T2] ? ptrace_event_pid+0x180/0x180 [ 67.872221][ T2] ? kthread_blkcg+0xd0/0xd0 [ 67.876835][ T2] ? _raw_spin_trylock_bh+0x150/0x150 [ 67.882316][ T2] ? __kasan_check_read+0x11/0x20 [ 67.887383][ T2] kthreadd+0x346/0x480 [ 67.891556][ T2] ? tokenize_frame_descr+0x93/0xc0 [ 67.896774][ T2] ? kthread_stop+0x3e0/0x3e0 [ 67.901468][ T2] ? _raw_spin_unlock_irq+0x4e/0x70 [ 67.906685][ T2] ? calculate_sigpending+0x7c/0x90 [ 67.911899][ T2] ? kthread_stop+0x3e0/0x3e0 [ 67.916598][ T2] ret_from_fork+0x1f/0x30 [ 67.921036][ T2] [ 67.924070][ T64] CPU: 0 PID: 64 Comm: jbd2/sda1-8 Not tainted syzkaller #0 [ 67.931488][ T64] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 67.941653][ T64] Call Trace: [ 67.944946][ T64] [ 67.947890][ T64] __dump_stack+0x21/0x30 [ 67.952238][ T64] dump_stack_lvl+0x110/0x170 [ 67.956949][ T64] ? show_regs_print_info+0x20/0x20 [ 67.962198][ T64] ? prandom_u32+0x24d/0x290 [ 67.966833][ T64] dump_stack+0x15/0x20 [ 67.971010][ T64] should_fail+0x3ab/0x500 [ 67.975585][ T64] __should_failslab+0xa4/0xe0 [ 67.980386][ T64] should_failslab+0x9/0x20 [ 67.984945][ T64] slab_pre_alloc_hook+0x39/0xd0 [ 67.989927][ T64] ? mempool_alloc_slab+0x1d/0x30 [ 67.994980][ T64] kmem_cache_alloc+0x44/0x260 [ 67.999767][ T64] ? mempool_free+0x330/0x330 [ 68.004459][ T64] mempool_alloc_slab+0x1d/0x30 [ 68.009340][ T64] mempool_alloc+0x167/0x4c0 [ 68.013957][ T64] ? widen_string+0x349/0x360 [ 68.018660][ T64] ? format_decode+0x1bb/0x1520 [ 68.023529][ T64] ? mempool_resize+0x880/0x880 [ 68.028400][ T64] ? desc_read+0x1b4/0x3e0 [ 68.032835][ T64] ? __kasan_check_write+0x14/0x20 [ 68.037968][ T64] ? desc_read+0x1e4/0x3e0 [ 68.042402][ T64] sg_pool_alloc+0xb0/0xe0 [ 68.046852][ T64] __sg_alloc_table+0x1c1/0x6d0 [ 68.051723][ T64] sg_alloc_table_chained+0x8b/0x1e0 [ 68.057034][ T64] ? sg_alloc_table_chained+0x1e0/0x1e0 [ 68.062602][ T64] scsi_alloc_sgtables+0x292/0x8a0 [ 68.067794][ T64] ? scsi_io_completion_action+0xce0/0xce0 [ 68.073724][ T64] ? up+0xfe/0x190 [ 68.077513][ T64] ? down_timeout+0xe0/0xe0 [ 68.082038][ T64] ? _raw_spin_lock+0x94/0xf0 [ 68.086740][ T64] sd_init_command+0x60e/0x2610 [ 68.091626][ T64] scsi_queue_rq+0x176e/0x31c0 [ 68.096416][ T64] blk_mq_dispatch_rq_list+0xa06/0x1c50 [ 68.101984][ T64] ? blk_mq_get_driver_tag+0x920/0x920 [ 68.107467][ T64] blk_mq_do_dispatch_sched+0xadf/0xc90 [ 68.113040][ T64] ? blk_mq_exit_sched+0x590/0x590 [ 68.118196][ T64] ? submit_bio_checks+0xb50/0x11e0 [ 68.123513][ T64] ? blk_mq_try_issue_list_directly+0x490/0x490 [ 68.129867][ T64] __blk_mq_sched_dispatch_requests+0x32c/0x410 [ 68.136127][ T64] ? blk_mq_sched_dispatch_requests+0x1c0/0x1c0 [ 68.142475][ T64] blk_mq_sched_dispatch_requests+0x102/0x1c0 [ 68.148692][ T64] __blk_mq_run_hw_queue+0xf3/0x170 [ 68.153911][ T64] __blk_mq_delay_run_hw_queue+0x17e/0x420 [ 68.159736][ T64] ? blk_mq_delay_run_hw_queue+0x30/0x30 [ 68.165392][ T64] ? sbitmap_any_bit_set+0x119/0x160 [ 68.170874][ T64] blk_mq_run_hw_queue+0x282/0x3a0 [ 68.176040][ T64] blk_mq_sched_insert_requests+0x1cd/0x340 [ 68.181956][ T64] blk_mq_flush_plug_list+0x4e2/0x6b0 [ 68.187350][ T64] ? blk_mq_insert_requests+0x340/0x340 [ 68.192913][ T64] ? blkcg_set_ioprio+0x1f6/0x320 [ 68.197951][ T64] ? submit_bio+0x367/0x620 [ 68.202490][ T64] blk_flush_plug_list+0x404/0x450 [ 68.207621][ T64] ? bio_add_page+0x2de/0x460 [ 68.212317][ T64] ? __kasan_check_write+0x14/0x20 [ 68.217539][ T64] ? blk_check_plugged+0x270/0x270 [ 68.222707][ T64] ? _raw_write_lock+0x94/0xf0 [ 68.227493][ T64] ? _raw_write_trylock+0x150/0x150 [ 68.232743][ T64] ? _raw_read_unlock+0x25/0x40 [ 68.237610][ T64] blk_finish_plug+0x5d/0x80 [ 68.242225][ T64] jbd2_journal_commit_transaction+0x2dcd/0x5650 [ 68.248800][ T64] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 68.255669][ T64] ? __switch_to+0x56c/0x1070 [ 68.260358][ T64] ? compat_start_thread+0x20/0x20 [ 68.265488][ T64] ? _raw_spin_unlock+0x4d/0x70 [ 68.270355][ T64] ? _raw_spin_lock+0xf0/0xf0 [ 68.275055][ T64] ? __kasan_check_write+0x14/0x20 [ 68.280183][ T64] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 68.285897][ T64] ? _raw_spin_lock+0xf0/0xf0 [ 68.290799][ T64] ? detach_if_pending+0xf5/0x300 [ 68.296577][ T64] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 68.302525][ T64] ? del_timer_sync+0x144/0x1a0 [ 68.307552][ T64] kjournald2+0x43d/0x860 [ 68.310135][ T367] FAULT_INJECTION: forcing a failure. [ 68.310135][ T367] name failslab, interval 1, probability 10, space 0, times 30 [ 68.311989][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 68.329979][ T64] ? io_schedule+0xe0/0xe0 [ 68.334422][ T64] ? __kasan_check_read+0x11/0x20 [ 68.339465][ T64] ? __kthread_parkme+0xab/0x1f0 [ 68.344420][ T64] kthread+0x3f5/0x4f0 [ 68.348501][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 68.353718][ T64] ? kthread_blkcg+0xd0/0xd0 [ 68.358323][ T64] ret_from_fork+0x1f/0x30 [ 68.362806][ T64] [ 68.365854][ T367] CPU: 1 PID: 367 Comm: syz-executor Not tainted syzkaller #0 [ 68.373348][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 68.383599][ T367] Call Trace: [ 68.386905][ T367] [ 68.389867][ T367] __dump_stack+0x21/0x30 [ 68.394228][ T367] dump_stack_lvl+0x110/0x170 [ 68.398951][ T367] ? show_regs_print_info+0x20/0x20 [ 68.404177][ T367] ? prandom_u32+0x24d/0x290 [ 68.408787][ T367] dump_stack+0x15/0x20 [ 68.412988][ T367] should_fail+0x3ab/0x500 [ 68.417504][ T367] ? __neigh_notify+0x84/0x130 [ 68.422306][ T367] __should_failslab+0xa4/0xe0 [ 68.427181][ T367] should_failslab+0x9/0x20 [ 68.431701][ T367] slab_pre_alloc_hook+0x39/0xd0 [ 68.436660][ T367] ? __neigh_notify+0x84/0x130 [ 68.441439][ T367] ? __neigh_notify+0x84/0x130 [ 68.446218][ T367] __kmalloc_track_caller+0x6c/0x2c0 [ 68.451526][ T367] ? __neigh_notify+0x84/0x130 [ 68.456316][ T367] ? __neigh_notify+0x84/0x130 [ 68.461098][ T367] __alloc_skb+0x210/0x730 [ 68.465622][ T367] __neigh_notify+0x84/0x130 [ 68.470660][ T367] neigh_cleanup_and_release+0x2c/0x1a0 [ 68.476258][ T367] neigh_flush_dev+0x667/0x810 [ 68.481059][ T367] ? __kasan_check_write+0x14/0x20 [ 68.486200][ T367] __neigh_ifdown+0x3f/0x3a0 [ 68.490808][ T367] ? __kasan_check_write+0x14/0x20 [ 68.495951][ T367] neigh_ifdown+0x1f/0x30 [ 68.500331][ T367] rt6_disable_ip+0x6a5/0x730 [ 68.505052][ T367] ? fib6_ifdown+0x4e0/0x4e0 [ 68.509671][ T367] ? __kasan_check_read+0x11/0x20 [ 68.514716][ T367] addrconf_ifdown+0x144/0x1910 [ 68.519586][ T367] ? nf_nat_masq_schedule+0x22d/0x4d0 [ 68.524980][ T367] ? addrconf_cleanup+0x1c0/0x1c0 [ 68.530023][ T367] ? __kasan_check_write+0x14/0x20 [ 68.535154][ T367] ? mutex_unlock+0x8f/0x230 [ 68.539777][ T367] ? __mutex_lock_slowpath+0x10/0x10 [ 68.545087][ T367] ? nf_nat_masq_schedule+0x4d0/0x4d0 [ 68.550653][ T367] ? masq_device_event+0xd0/0xd0 [ 68.555605][ T367] addrconf_notify+0x3bd/0xe00 [ 68.560474][ T367] raw_notifier_call_chain+0x90/0x100 [ 68.565906][ T367] dev_close_many+0x325/0x4d0 [ 68.570652][ T367] ? __dev_open+0x500/0x500 [ 68.575264][ T367] ? _raw_spin_lock+0x94/0xf0 [ 68.580055][ T367] ? __kasan_check_read+0x11/0x20 [ 68.585094][ T367] unregister_netdevice_many+0x477/0x1a00 [ 68.590851][ T367] ? __queue_work+0x903/0xc60 [ 68.595636][ T367] ? alloc_netdev_mqs+0xe20/0xe20 [ 68.600802][ T367] ? __queue_delayed_work+0x188/0x200 [ 68.606218][ T367] ? __kasan_check_read+0x11/0x20 [ 68.611275][ T367] unregister_netdevice_queue+0x2e1/0x320 [ 68.617118][ T367] ? __kasan_check_read+0x11/0x20 [ 68.622279][ T367] ? linkwatch_urgent_event+0x34d/0x460 [ 68.628020][ T367] ? list_netdevice+0x4c0/0x4c0 [ 68.632930][ T367] __tun_detach+0xc9d/0x1450 [ 68.637544][ T367] tun_chr_close+0x92/0x140 [ 68.642064][ T367] ? tun_chr_open+0x540/0x540 [ 68.646759][ T367] __fput+0x22b/0x900 [ 68.650762][ T367] ____fput+0x15/0x20 [ 68.654759][ T367] task_work_run+0x127/0x190 [ 68.659562][ T367] do_exit+0xb70/0x29a0 [ 68.663736][ T367] ? put_task_struct+0x90/0x90 [ 68.668529][ T367] ? __fdget_pos+0x1f7/0x380 [ 68.673240][ T367] ? ksys_write+0x1eb/0x260 [ 68.677843][ T367] ? __ia32_sys_read+0x90/0x90 [ 68.682635][ T367] do_group_exit+0x149/0x310 [ 68.687332][ T367] __x64_sys_exit_group+0x3f/0x40 [ 68.692372][ T367] x64_sys_call+0x832/0x9a0 [ 68.696899][ T367] do_syscall_64+0x4c/0xa0 [ 68.701352][ T367] ? clear_bhb_loop+0x50/0xa0 [ 68.706047][ T367] ? clear_bhb_loop+0x50/0xa0 [ 68.710744][ T367] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.716654][ T367] RIP: 0033:0x7f7807a02e99 [ 68.721091][ T367] Code: Unable to access opcode bytes at RIP 0x7f7807a02e6f. [ 68.728474][ T367] RSP: 002b:00007ffde7329068 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 68.736910][ T367] RAX: ffffffffffffffda RBX: 00007f7807a9832f RCX: 00007f7807a02e99 [ 68.744902][ T367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 68.752895][ T367] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f7807a9830a [ 68.760883][ T367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffde732a2c0 [ 68.768961][ T367] R13: 00007f7807a9830a R14: 000000000000b9fa R15: 00007ffde732a300 [ 68.777164][ T367] [ 68.780486][ T139] FAULT_INJECTION: forcing a failure. [ 68.780486][ T139] name failslab, interval 1, probability 10, space 0, times 28 [ 68.780894][ T322] CPU: 1 PID: 322 Comm: kworker/1:2 Not tainted syzkaller #0 [ 68.800905][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 68.810987][ T322] Workqueue: mld mld_ifc_work [ 68.815696][ T322] Call Trace: [ 68.818991][ T322] [ 68.821945][ T322] __dump_stack+0x21/0x30 [ 68.826295][ T322] dump_stack_lvl+0x110/0x170 [ 68.831078][ T322] ? show_regs_print_info+0x20/0x20 [ 68.836298][ T322] ? prandom_u32+0x24d/0x290 [ 68.840904][ T322] dump_stack+0x15/0x20 [ 68.845075][ T322] should_fail+0x3ab/0x500 [ 68.849515][ T322] __should_failslab+0xa4/0xe0 [ 68.854299][ T322] should_failslab+0x9/0x20 [ 68.858827][ T322] slab_pre_alloc_hook+0x39/0xd0 [ 68.863894][ T322] ? dst_alloc+0x15c/0x1d0 [ 68.868327][ T322] kmem_cache_alloc+0x44/0x260 [ 68.873299][ T322] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 68.879122][ T322] dst_alloc+0x15c/0x1d0 [ 68.883389][ T322] icmp6_dst_alloc+0xec/0x520 [ 68.888090][ T322] ? security_sk_classify_flow+0x7b/0x90 [ 68.893743][ T322] ? icmpv6_flow_init+0xd2/0x130 [ 68.898814][ T322] mld_sendpack+0x4d9/0xba0 [ 68.903430][ T322] ? add_grec+0x1340/0x1340 [ 68.907952][ T322] ? add_grec+0xf70/0x1340 [ 68.912472][ T322] ? memcpy+0x56/0x70 [ 68.916471][ T322] ? wait_for_completion_killable_timeout+0x10/0x10 [ 68.923376][ T322] mld_ifc_work+0x7d7/0xc40 [ 68.927896][ T322] ? _raw_spin_lock_irqsave+0x130/0x130 [ 68.933560][ T322] process_one_work+0x6c8/0xbb0 [ 68.938446][ T322] worker_thread+0xaa0/0x1250 [ 68.943506][ T322] ? __kasan_check_read+0x11/0x20 [ 68.948656][ T322] kthread+0x3f5/0x4f0 [ 68.952756][ T322] ? worker_clr_flags+0x190/0x190 [ 68.957798][ T322] ? kthread_blkcg+0xd0/0xd0 [ 68.962413][ T322] ret_from_fork+0x1f/0x30 [ 68.966880][ T322] [ 68.969947][ T139] CPU: 0 PID: 139 Comm: dhcpcd Not tainted syzkaller #0 [ 68.976911][ T139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 68.983579][ T322] FAULT_INJECTION: forcing a failure. [ 68.983579][ T322] name failslab, interval 1, probability 10, space 0, times 27 [ 68.986982][ T139] Call Trace: [ 68.986991][ T139] [ 69.006371][ T139] __dump_stack+0x21/0x30 [ 69.010821][ T139] dump_stack_lvl+0x110/0x170 [ 69.015518][ T139] ? show_regs_print_info+0x20/0x20 [ 69.020737][ T139] ? prandom_u32+0x24d/0x290 [ 69.025369][ T139] dump_stack+0x15/0x20 [ 69.029137][ T2] FAULT_INJECTION: forcing a failure. [ 69.029137][ T2] name failslab, interval 1, probability 10, space 0, times 26 [ 69.029647][ T139] should_fail+0x3ab/0x500 [ 69.047017][ T139] ? alloc_skb_with_frags+0xa8/0x620 [ 69.052411][ T139] __should_failslab+0xa4/0xe0 [ 69.057289][ T139] should_failslab+0x9/0x20 [ 69.061806][ T139] slab_pre_alloc_hook+0x39/0xd0 [ 69.066759][ T139] ? alloc_skb_with_frags+0xa8/0x620 [ 69.072240][ T139] ? alloc_skb_with_frags+0xa8/0x620 [ 69.077547][ T139] __kmalloc_track_caller+0x6c/0x2c0 [ 69.082879][ T139] ? alloc_skb_with_frags+0xa8/0x620 [ 69.088180][ T139] ? alloc_skb_with_frags+0xa8/0x620 [ 69.093566][ T139] __alloc_skb+0x210/0x730 [ 69.098009][ T139] alloc_skb_with_frags+0xa8/0x620 [ 69.103137][ T139] ? avc_has_perm_noaudit+0x390/0x490 [ 69.108527][ T139] sock_alloc_send_pskb+0x87f/0x9a0 [ 69.113750][ T139] ? avc_denied+0x1b0/0x1b0 [ 69.118380][ T139] ? sock_kzfree_s+0x60/0x60 [ 69.122999][ T139] ? __kasan_check_write+0x14/0x20 [ 69.128135][ T139] ? _raw_spin_lock+0x94/0xf0 [ 69.132841][ T139] ? _raw_spin_trylock_bh+0x150/0x150 [ 69.138232][ T139] ? avc_has_perm+0x163/0x250 [ 69.142938][ T139] unix_dgram_sendmsg+0x6f3/0x19b0 [ 69.148073][ T139] ? __wake_up_sync_key+0x17b/0x2b0 [ 69.153300][ T139] ? selinux_socket_sendmsg+0x22f/0x340 [ 69.158869][ T139] ? selinux_socket_accept+0x570/0x570 [ 69.164379][ T139] ? unix_dgram_poll+0x6c0/0x6c0 [ 69.169355][ T139] ? sock_def_readable+0x1c8/0x320 [ 69.174492][ T139] ? __kasan_check_write+0x14/0x20 [ 69.179623][ T139] unix_seqpacket_sendmsg+0x118/0x1e0 [ 69.185356][ T139] sock_write_iter+0x2a6/0x3a0 [ 69.190170][ T139] ? sock_read_iter+0x380/0x380 [ 69.195236][ T139] ? file_has_perm+0x52d/0x700 [ 69.200056][ T139] do_iter_readv_writev+0x477/0x5f0 [ 69.205472][ T139] ? generic_file_rw_checks+0x2a0/0x2a0 [ 69.211052][ T139] ? fsnotify_perm+0x67/0x5b0 [ 69.215769][ T139] ? security_file_permission+0x79/0xa0 [ 69.221358][ T139] ? security_file_permission+0x83/0xa0 [ 69.226974][ T139] do_iter_write+0x207/0x7b0 [ 69.231586][ T139] vfs_writev+0x2df/0x570 [ 69.235936][ T139] ? do_writev+0x2c0/0x2c0 [ 69.240378][ T139] ? __kasan_check_read+0x11/0x20 [ 69.245422][ T139] ? __fdget_pos+0x1f7/0x380 [ 69.250028][ T139] do_writev+0x14e/0x2c0 [ 69.254382][ T139] ? do_readv+0x450/0x450 [ 69.258916][ T139] ? __secure_computing+0xea/0x290 [ 69.264053][ T139] __x64_sys_writev+0x7d/0x90 [ 69.268844][ T139] x64_sys_call+0x974/0x9a0 [ 69.273367][ T139] do_syscall_64+0x4c/0xa0 [ 69.277807][ T139] ? clear_bhb_loop+0x50/0xa0 [ 69.282554][ T139] ? clear_bhb_loop+0x50/0xa0 [ 69.287285][ T139] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.293196][ T139] RIP: 0033:0x7f9e91521407 [ 69.297627][ T139] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 69.317508][ T139] RSP: 002b:00007fff63f1b530 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 69.325952][ T139] RAX: ffffffffffffffda RBX: 00007f9e91497740 RCX: 00007f9e91521407 [ 69.334205][ T139] RDX: 0000000000000005 RSI: 00007fff63f1b590 RDI: 000000000000000a [ 69.342201][ T139] RBP: 000056225e399c60 R08: 0000000000000000 R09: 0000000000000000 [ 69.350189][ T139] R10: 0000000000000000 R11: 0000000000000202 R12: 000056225e399c60 [ 69.358700][ T139] R13: 000000000000012c R14: 00000000ffffffff R15: 0000000000000000 [ 69.366879][ T139] [ 69.369922][ T2] CPU: 1 PID: 2 Comm: kthreadd Not tainted syzkaller #0 [ 69.376910][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 69.387072][ T2] Call Trace: [ 69.390369][ T2] [ 69.393318][ T2] __dump_stack+0x21/0x30 [ 69.397666][ T2] dump_stack_lvl+0x110/0x170 [ 69.402357][ T2] ? show_regs_print_info+0x20/0x20 [ 69.407662][ T2] ? prandom_u32+0x24d/0x290 [ 69.412268][ T2] dump_stack+0x15/0x20 [ 69.416616][ T2] should_fail+0x3ab/0x500 [ 69.421131][ T2] __should_failslab+0xa4/0xe0 [ 69.425951][ T2] should_failslab+0x9/0x20 [ 69.430493][ T2] slab_pre_alloc_hook+0x39/0xd0 [ 69.435847][ T2] __kmalloc+0x6d/0x2c0 [ 69.440384][ T2] ? __vmalloc_node_range+0x384/0xad0 [ 69.445793][ T2] __vmalloc_node_range+0x384/0xad0 [ 69.451017][ T2] ? should_failslab+0x9/0x20 [ 69.455804][ T2] dup_task_struct+0x41e/0xc50 [ 69.460617][ T2] ? copy_process+0x5e0/0x3280 [ 69.465574][ T2] copy_process+0x5e0/0x3280 [ 69.470188][ T2] ? sched_group_set_idle+0x600/0x600 [ 69.475725][ T2] ? __pidfd_prepare+0x150/0x150 [ 69.480688][ T2] kernel_clone+0x233/0x960 [ 69.485207][ T2] ? yield_to_task_fair+0x1a0/0x1a0 [ 69.490427][ T2] ? create_io_thread+0x170/0x170 [ 69.495473][ T2] ? __kasan_check_read+0x11/0x20 [ 69.500563][ T2] ? kthread_blkcg+0xd0/0xd0 [ 69.505169][ T2] kernel_thread+0xfe/0x170 [ 69.509694][ T2] ? ptrace_event_pid+0x180/0x180 [ 69.514732][ T2] ? kthread_blkcg+0xd0/0xd0 [ 69.519430][ T2] ? _raw_spin_trylock_bh+0x150/0x150 [ 69.524833][ T2] ? complete+0x69/0xb0 [ 69.529012][ T2] kthreadd+0x346/0x480 [ 69.533186][ T2] ? tokenize_frame_descr+0x93/0xc0 [ 69.538406][ T2] ? kthread_stop+0x3e0/0x3e0 [ 69.543097][ T2] ? _raw_spin_unlock_irq+0x4e/0x70 [ 69.548313][ T2] ? calculate_sigpending+0x7c/0x90 [ 69.549127][ T367] FAULT_INJECTION: forcing a failure. [ 69.549127][ T367] name failslab, interval 1, probability 10, space 0, times 26 [ 69.553535][ T2] ? kthread_stop+0x3e0/0x3e0 [ 69.570983][ T2] ret_from_fork+0x1f/0x30 [ 69.575427][ T2] [ 69.578466][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 69.585254][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 69.595323][ T90] Call Trace: [ 69.598634][ T90] [ 69.601578][ T90] __dump_stack+0x21/0x30 [ 69.605927][ T90] dump_stack_lvl+0x110/0x170 [ 69.610625][ T90] ? show_regs_print_info+0x20/0x20 [ 69.615837][ T90] ? prandom_u32+0x24d/0x290 [ 69.620459][ T90] dump_stack+0x15/0x20 [ 69.624645][ T90] should_fail+0x3ab/0x500 [ 69.629096][ T90] __should_failslab+0xa4/0xe0 [ 69.633891][ T90] should_failslab+0x9/0x20 [ 69.638426][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 69.643383][ T90] ? sock_alloc_inode+0x1b/0xb0 [ 69.648262][ T90] kmem_cache_alloc+0x44/0x260 [ 69.653047][ T90] ? blkcg_maybe_throttle_current+0x1e0/0xa00 [ 69.659218][ T90] ? sockfs_init_fs_context+0xb0/0xb0 [ 69.664696][ T90] sock_alloc_inode+0x1b/0xb0 [ 69.669387][ T90] ? sockfs_init_fs_context+0xb0/0xb0 [ 69.675230][ T90] new_inode_pseudo+0x62/0x210 [ 69.680017][ T90] __sock_create+0x12c/0x7a0 [ 69.684623][ T90] ? ____fput+0x15/0x20 [ 69.688828][ T90] __sys_socket+0xec/0x190 [ 69.693264][ T90] __x64_sys_socket+0x7a/0x90 [ 69.698242][ T90] x64_sys_call+0x8c5/0x9a0 [ 69.702868][ T90] do_syscall_64+0x4c/0xa0 [ 69.707332][ T90] ? clear_bhb_loop+0x50/0xa0 [ 69.712024][ T90] ? clear_bhb_loop+0x50/0xa0 [ 69.716719][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.722653][ T90] RIP: 0033:0x7f3faaeda707 [ 69.727086][ T90] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 69.746888][ T90] RSP: 002b:00007ffd2389c588 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 69.755321][ T90] RAX: ffffffffffffffda RBX: 000000000000003d RCX: 00007f3faaeda707 [ 69.763307][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 69.771327][ T90] RBP: 00007f3faaf66560 R08: 0000000000000000 R09: 0000000000000000 [ 69.779318][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 69.787424][ T90] R13: 00007ffd2389c6b0 R14: 0000000000000022 R15: 00007ffd2389c6b0 [ 69.795419][ T90] [ 69.798457][ T101] CPU: 1 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 69.805338][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 69.815409][ T101] Call Trace: [ 69.818711][ T101] [ 69.821707][ T101] __dump_stack+0x21/0x30 [ 69.826064][ T101] dump_stack_lvl+0x110/0x170 [ 69.830881][ T101] ? show_regs_print_info+0x20/0x20 [ 69.836126][ T101] dump_stack+0x15/0x20 [ 69.840302][ T101] should_fail+0x3ab/0x500 [ 69.844738][ T101] __should_failslab+0xa4/0xe0 [ 69.849702][ T101] should_failslab+0x9/0x20 [ 69.854260][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 69.859222][ T101] ? getname_flags+0xba/0x510 [ 69.864004][ T101] kmem_cache_alloc+0x44/0x260 [ 69.868789][ T101] getname_flags+0xba/0x510 [ 69.873316][ T101] user_path_at_empty+0x2f/0x1c0 [ 69.878275][ T101] vfs_statx+0x109/0xa20 [ 69.882541][ T101] ? from_kgid_munged+0x193/0x6e0 [ 69.887590][ T101] ? vfs_fstatat+0x40/0x40 [ 69.892032][ T101] __se_sys_newfstatat+0x10e/0x3d0 [ 69.897167][ T101] ? __x64_sys_newfstatat+0xb0/0xb0 [ 69.902389][ T101] ? blkcg_maybe_throttle_current+0x1e0/0xa00 [ 69.908472][ T101] ? __fput+0x67c/0x900 [ 69.912645][ T101] ? ____fput+0x15/0x20 [ 69.916850][ T101] __x64_sys_newfstatat+0x9b/0xb0 [ 69.921926][ T101] x64_sys_call+0x2c1/0x9a0 [ 69.926558][ T101] do_syscall_64+0x4c/0xa0 [ 69.930997][ T101] ? clear_bhb_loop+0x50/0xa0 [ 69.935697][ T101] ? clear_bhb_loop+0x50/0xa0 [ 69.940394][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.946309][ T101] RIP: 0033:0x7f1f3d15db0a [ 69.950746][ T101] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 69.970370][ T101] RSP: 002b:00007ffc086dc4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 69.978906][ T101] RAX: ffffffffffffffda RBX: 0000559f91321410 RCX: 00007f1f3d15db0a [ 69.987159][ T101] RDX: 00007ffc086dc500 RSI: 0000559f9130f2a8 RDI: 00000000ffffff9c [ 69.995148][ T101] RBP: 0000559fb144f118 R08: 00063478c1c69200 R09: 0000000000000020 [ 70.003137][ T101] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 70.011387][ T101] R13: 00007ffc086dc500 R14: 0000000000000001 R15: 00063478c1c69200 [ 70.019385][ T101] [ 70.022532][ T323] CPU: 0 PID: 323 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 70.030046][ T323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 70.040470][ T323] Workqueue: writeback wb_workfn (flush-8:0) [ 70.046482][ T323] Call Trace: [ 70.049870][ T323] [ 70.052828][ T323] __dump_stack+0x21/0x30 [ 70.057212][ T323] dump_stack_lvl+0x110/0x170 [ 70.061987][ T323] ? show_regs_print_info+0x20/0x20 [ 70.067203][ T323] ? prandom_u32+0x24d/0x290 [ 70.071813][ T323] dump_stack+0x15/0x20 [ 70.075987][ T323] should_fail+0x3ab/0x500 [ 70.080424][ T323] __should_failslab+0xa4/0xe0 [ 70.085402][ T323] should_failslab+0x9/0x20 [ 70.090027][ T323] slab_pre_alloc_hook+0x39/0xd0 [ 70.094987][ T323] ? mempool_alloc_slab+0x1d/0x30 [ 70.100043][ T323] kmem_cache_alloc+0x44/0x260 [ 70.104919][ T323] ? mempool_free+0x330/0x330 [ 70.109616][ T323] mempool_alloc_slab+0x1d/0x30 [ 70.114483][ T323] mempool_alloc+0x167/0x4c0 [ 70.119084][ T323] ? cgroup_rstat_updated+0xf0/0x360 [ 70.124397][ T323] ? __this_cpu_preempt_check+0x13/0x20 [ 70.129963][ T323] ? __mod_memcg_lruvec_state+0x122/0x1b0 [ 70.135709][ T323] ? mempool_resize+0x880/0x880 [ 70.140747][ T323] ? __test_set_page_writeback+0x670/0x910 [ 70.146571][ T323] bio_alloc_bioset+0x124/0x910 [ 70.151500][ T323] ? __kasan_check_read+0x11/0x20 [ 70.156750][ T323] submit_bh_wbc+0x1c2/0x680 [ 70.161676][ T323] ? page_mkclean+0x209/0x2b0 [ 70.166610][ T323] __block_write_full_page+0x877/0xef0 [ 70.172147][ T323] ? blkdev_fallocate+0x4f0/0x4f0 [ 70.177235][ T323] ? mark_buffer_write_io_error+0x270/0x270 [ 70.183148][ T323] block_write_full_page+0x12f/0x140 [ 70.188453][ T323] ? blkdev_fallocate+0x4f0/0x4f0 [ 70.193500][ T323] blkdev_writepage+0x24/0x30 [ 70.198191][ T323] __writepage+0x66/0x130 [ 70.202544][ T323] write_cache_pages+0x7ce/0xd30 [ 70.207503][ T323] ? generic_writepages+0x170/0x170 [ 70.212743][ T323] ? tag_pages_for_writeback+0x3d0/0x3d0 [ 70.218409][ T323] ? blk_start_plug+0x50/0x170 [ 70.223206][ T323] generic_writepages+0x104/0x170 [ 70.228344][ T323] ? clear_page_dirty_for_io+0x5a0/0x5a0 [ 70.233997][ T323] ? __kasan_check_write+0x14/0x20 [ 70.239143][ T323] ? __local_bh_enable_ip+0x58/0x80 [ 70.244678][ T323] blkdev_writepages+0x1d/0x30 [ 70.249494][ T323] ? blkdev_readpage+0x20/0x20 [ 70.254317][ T323] do_writepages+0x476/0x6d0 [ 70.258931][ T323] ? dev_queue_xmit+0x20/0x20 [ 70.263628][ T323] ? __writepage+0x130/0x130 [ 70.268250][ T323] ? __kasan_check_write+0x14/0x20 [ 70.273561][ T323] ? __kasan_check_write+0x14/0x20 [ 70.278782][ T323] ? _raw_spin_lock+0x94/0xf0 [ 70.283660][ T323] __writeback_single_inode+0xd9/0x9e0 [ 70.289340][ T323] ? wbc_attach_and_unlock_inode+0x194/0x5f0 [ 70.295350][ T323] writeback_sb_inodes+0x9f3/0x1610 [ 70.300572][ T323] ? queue_io+0x4b0/0x4b0 [ 70.304935][ T323] ? down_read_trylock+0x317/0x630 [ 70.310198][ T323] ? __this_cpu_preempt_check+0x13/0x20 [ 70.315813][ T323] __writeback_inodes_wb+0x127/0x400 [ 70.321134][ T323] wb_writeback+0x3ff/0x990 [ 70.325751][ T323] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 70.331903][ T323] ? set_worker_desc+0x1ba/0x1f0 [ 70.336885][ T323] ? __kasan_check_write+0x14/0x20 [ 70.342026][ T323] ? cpumask_next+0x7c/0xa0 [ 70.346565][ T323] wb_workfn+0xa49/0xf30 [ 70.350840][ T323] ? inode_wait_for_writeback+0x220/0x220 [ 70.356640][ T323] ? compat_start_thread+0x20/0x20 [ 70.361893][ T323] ? finish_task_switch+0x16b/0x790 [ 70.367122][ T323] ? switch_mm_irqs_off+0x730/0x960 [ 70.372342][ T323] ? __schedule+0xbd7/0x14a0 [ 70.376955][ T323] process_one_work+0x6c8/0xbb0 [ 70.381863][ T323] worker_thread+0xaa0/0x1250 [ 70.386570][ T323] kthread+0x3f5/0x4f0 [ 70.390659][ T323] ? worker_clr_flags+0x190/0x190 [ 70.395725][ T323] ? kthread_blkcg+0xd0/0xd0 [ 70.400332][ T323] ret_from_fork+0x1f/0x30 [ 70.404889][ T323] [ 70.407928][ T322] CPU: 1 PID: 322 Comm: kworker/1:2 Not tainted syzkaller #0 [ 70.415338][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 70.425441][ T322] Workqueue: mld mld_ifc_work [ 70.430151][ T322] Call Trace: [ 70.433452][ T322] [ 70.436399][ T322] __dump_stack+0x21/0x30 [ 70.440789][ T322] dump_stack_lvl+0x110/0x170 [ 70.445488][ T322] ? show_regs_print_info+0x20/0x20 [ 70.450698][ T322] ? prandom_u32+0x24d/0x290 [ 70.455332][ T322] dump_stack+0x15/0x20 [ 70.459698][ T322] should_fail+0x3ab/0x500 [ 70.464160][ T322] __should_failslab+0xa4/0xe0 [ 70.469038][ T322] should_failslab+0x9/0x20 [ 70.473795][ T322] slab_pre_alloc_hook+0x39/0xd0 [ 70.478764][ T322] ? dst_alloc+0x15c/0x1d0 [ 70.483206][ T322] kmem_cache_alloc+0x44/0x260 [ 70.487998][ T322] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 70.493838][ T322] dst_alloc+0x15c/0x1d0 [ 70.498126][ T322] icmp6_dst_alloc+0xec/0x520 [ 70.502821][ T322] ? security_sk_classify_flow+0x7b/0x90 [ 70.508525][ T322] ? icmpv6_flow_init+0xd2/0x130 [ 70.513481][ T322] mld_sendpack+0x4d9/0xba0 [ 70.518094][ T322] ? add_grec+0x1340/0x1340 [ 70.522697][ T322] ? add_grec+0xf70/0x1340 [ 70.527130][ T322] ? memcpy+0x56/0x70 [ 70.531131][ T322] ? wait_for_completion_killable_timeout+0x10/0x10 [ 70.537772][ T322] mld_ifc_work+0x7d7/0xc40 [ 70.542387][ T322] process_one_work+0x6c8/0xbb0 [ 70.547253][ T322] worker_thread+0xaa0/0x1250 [ 70.551947][ T322] ? __kasan_check_read+0x11/0x20 [ 70.556984][ T322] kthread+0x3f5/0x4f0 [ 70.561071][ T322] ? worker_clr_flags+0x190/0x190 [ 70.566118][ T322] ? kthread_blkcg+0xd0/0xd0 [ 70.570815][ T322] ret_from_fork+0x1f/0x30 [ 70.575250][ T322] [ 70.578891][ T101] FAULT_INJECTION: forcing a failure. [ 70.578891][ T101] name failslab, interval 1, probability 10, space 0, times 23 [ 70.582531][ T322] FAULT_INJECTION: forcing a failure. [ 70.582531][ T322] name failslab, interval 1, probability 10, space 0, times 23 [ 70.593287][ T374] FAULT_INJECTION: forcing a failure. [ 70.593287][ T374] name failslab, interval 1, probability 10, space 0, times 23 [ 70.605089][ T322] CPU: 1 PID: 322 Comm: kworker/1:2 Not tainted syzkaller #0 [ 70.625053][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 70.635238][ T322] Workqueue: mld mld_ifc_work [ 70.639943][ T322] Call Trace: [ 70.643243][ T322] [ 70.646217][ T322] __dump_stack+0x21/0x30 [ 70.650602][ T322] dump_stack_lvl+0x110/0x170 [ 70.655298][ T322] ? show_regs_print_info+0x20/0x20 [ 70.660631][ T322] ? prandom_u32+0x24d/0x290 [ 70.665258][ T322] dump_stack+0x15/0x20 [ 70.669443][ T322] should_fail+0x3ab/0x500 [ 70.674080][ T322] __should_failslab+0xa4/0xe0 [ 70.678867][ T322] should_failslab+0x9/0x20 [ 70.683405][ T322] slab_pre_alloc_hook+0x39/0xd0 [ 70.688366][ T322] ? dst_alloc+0x15c/0x1d0 [ 70.692803][ T322] kmem_cache_alloc+0x44/0x260 [ 70.697588][ T322] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 70.703570][ T322] dst_alloc+0x15c/0x1d0 [ 70.707849][ T322] icmp6_dst_alloc+0xec/0x520 [ 70.712545][ T322] ? security_sk_classify_flow+0x7b/0x90 [ 70.718374][ T322] ? icmpv6_flow_init+0xd2/0x130 [ 70.723333][ T322] mld_sendpack+0x4d9/0xba0 [ 70.727858][ T322] ? add_grec+0x1340/0x1340 [ 70.732380][ T322] ? add_grec+0xf70/0x1340 [ 70.736825][ T322] ? memcpy+0x56/0x70 [ 70.740852][ T322] ? wait_for_completion_killable_timeout+0x10/0x10 [ 70.747561][ T322] mld_ifc_work+0x7d7/0xc40 [ 70.752091][ T322] process_one_work+0x6c8/0xbb0 [ 70.757065][ T322] worker_thread+0xaa0/0x1250 [ 70.761776][ T322] ? __kasan_check_read+0x11/0x20 [ 70.766865][ T322] kthread+0x3f5/0x4f0 [ 70.770960][ T322] ? worker_clr_flags+0x190/0x190 [ 70.776062][ T322] ? kthread_blkcg+0xd0/0xd0 [ 70.780684][ T322] ret_from_fork+0x1f/0x30 [ 70.785134][ T322] [ 70.788191][ T101] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 70.795076][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 70.805203][ T101] Call Trace: [ 70.808513][ T101] [ 70.811464][ T101] __dump_stack+0x21/0x30 [ 70.815819][ T101] dump_stack_lvl+0x110/0x170 [ 70.820521][ T101] ? show_regs_print_info+0x20/0x20 [ 70.825847][ T101] dump_stack+0x15/0x20 [ 70.830095][ T101] should_fail+0x3ab/0x500 [ 70.834565][ T101] __should_failslab+0xa4/0xe0 [ 70.839353][ T101] should_failslab+0x9/0x20 [ 70.843969][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 70.849027][ T101] ? getname_flags+0xba/0x510 [ 70.853723][ T101] kmem_cache_alloc+0x44/0x260 [ 70.858513][ T101] getname_flags+0xba/0x510 [ 70.863211][ T101] user_path_at_empty+0x2f/0x1c0 [ 70.868175][ T101] do_readlinkat+0xd9/0x490 [ 70.872832][ T101] ? cp_old_stat+0x4a0/0x4a0 [ 70.877442][ T101] ? debug_smp_processor_id+0x17/0x20 [ 70.882831][ T101] __x64_sys_readlink+0x7f/0x90 [ 70.887791][ T101] x64_sys_call+0x93c/0x9a0 [ 70.892311][ T101] do_syscall_64+0x4c/0xa0 [ 70.896746][ T101] ? clear_bhb_loop+0x50/0xa0 [ 70.901438][ T101] ? clear_bhb_loop+0x50/0xa0 [ 70.906161][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.912070][ T101] RIP: 0033:0x7f1f3d1613a7 [ 70.916602][ T101] Code: 00 00 90 48 83 ec 10 48 63 ff 45 31 c9 45 31 c0 6a 00 31 c9 e8 8a 20 f9 ff 48 83 c4 18 c3 0f 1f 44 00 00 b8 59 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 21 ba 0d 00 f7 d8 64 89 02 48 [ 70.936440][ T101] RSP: 002b:00007ffc086db838 EFLAGS: 00000206 ORIG_RAX: 0000000000000059 [ 70.944971][ T101] RAX: ffffffffffffffda RBX: 00007ffc086dc0c0 RCX: 00007f1f3d1613a7 [ 70.952968][ T101] RDX: 00000000000003ff RSI: 00007ffc086dc0c0 RDI: 00007ffc086db8a0 [ 70.961047][ T101] RBP: 00000000000003ff R08: 0000559fb121b640 R09: 00007ffc086db8a0 [ 70.969051][ T101] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc086dc0b0 [ 70.977183][ T101] R13: 00007ffc086dbcb0 R14: 00007ffc086dc0c0 R15: 00007ffc086db8a0 [ 70.985749][ T101] [ 70.988890][ T139] FAULT_INJECTION: forcing a failure. [ 70.988890][ T139] name failslab, interval 1, probability 10, space 0, times 22 [ 70.989373][ T367] CPU: 0 PID: 367 Comm: syz-executor Not tainted syzkaller #0 [ 71.009139][ T366] FAULT_INJECTION: forcing a failure. [ 71.009139][ T366] name failslab, interval 1, probability 10, space 0, times 22 [ 71.009161][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 71.032000][ T367] Call Trace: [ 71.035308][ T367] [ 71.038257][ T367] __dump_stack+0x21/0x30 [ 71.042635][ T367] dump_stack_lvl+0x110/0x170 [ 71.047334][ T367] ? show_regs_print_info+0x20/0x20 [ 71.052546][ T367] ? prandom_u32+0x24d/0x290 [ 71.057165][ T367] dump_stack+0x15/0x20 [ 71.061339][ T367] should_fail+0x3ab/0x500 [ 71.065773][ T367] ? __ipv6_ifa_notify+0x200/0xe70 [ 71.070910][ T367] __should_failslab+0xa4/0xe0 [ 71.075689][ T367] should_failslab+0x9/0x20 [ 71.080205][ T367] slab_pre_alloc_hook+0x39/0xd0 [ 71.085184][ T367] ? __ipv6_ifa_notify+0x200/0xe70 [ 71.090423][ T367] ? __ipv6_ifa_notify+0x200/0xe70 [ 71.095584][ T367] __kmalloc_track_caller+0x6c/0x2c0 [ 71.100908][ T367] ? __ipv6_ifa_notify+0x200/0xe70 [ 71.106049][ T367] ? __ipv6_ifa_notify+0x200/0xe70 [ 71.111184][ T367] __alloc_skb+0x210/0x730 [ 71.115631][ T367] __ipv6_ifa_notify+0x200/0xe70 [ 71.120590][ T367] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0 [ 71.126336][ T367] ? __neigh_ifdown+0x38d/0x3a0 [ 71.131201][ T367] ? __kasan_check_write+0x14/0x20 [ 71.136328][ T367] ? try_to_grab_pending+0x1a4/0x580 [ 71.141633][ T367] ? mod_delayed_work_on+0xe0/0xe0 [ 71.146764][ T367] ? __kasan_check_write+0x14/0x20 [ 71.151912][ T367] ? _raw_spin_lock_bh+0x94/0xf0 [ 71.156869][ T367] ? _raw_spin_lock_irq+0xf0/0xf0 [ 71.161915][ T367] ? __kasan_check_write+0x14/0x20 [ 71.167047][ T367] addrconf_ifdown+0xdb1/0x1910 [ 71.171920][ T367] ? addrconf_cleanup+0x1c0/0x1c0 [ 71.177052][ T367] ? __kasan_check_write+0x14/0x20 [ 71.182181][ T367] ? mutex_unlock+0x8f/0x230 [ 71.186789][ T367] ? __mutex_lock_slowpath+0x10/0x10 [ 71.192096][ T367] ? nf_nat_masq_schedule+0x4d0/0x4d0 [ 71.197484][ T367] ? masq_device_event+0xd0/0xd0 [ 71.202440][ T367] addrconf_notify+0x3bd/0xe00 [ 71.207250][ T367] raw_notifier_call_chain+0x90/0x100 [ 71.212641][ T367] dev_close_many+0x325/0x4d0 [ 71.217329][ T367] ? __dev_open+0x500/0x500 [ 71.222117][ T367] ? _raw_spin_lock+0x94/0xf0 [ 71.226912][ T367] ? __kasan_check_read+0x11/0x20 [ 71.231978][ T367] unregister_netdevice_many+0x477/0x1a00 [ 71.237739][ T367] ? __queue_work+0x903/0xc60 [ 71.242449][ T367] ? alloc_netdev_mqs+0xe20/0xe20 [ 71.247641][ T367] ? __queue_delayed_work+0x188/0x200 [ 71.253062][ T367] ? __kasan_check_read+0x11/0x20 [ 71.258119][ T367] unregister_netdevice_queue+0x2e1/0x320 [ 71.264305][ T367] ? __kasan_check_read+0x11/0x20 [ 71.269357][ T367] ? linkwatch_urgent_event+0x34d/0x460 [ 71.274946][ T367] ? list_netdevice+0x4c0/0x4c0 [ 71.279817][ T367] __tun_detach+0xc9d/0x1450 [ 71.284614][ T367] tun_chr_close+0x92/0x140 [ 71.289146][ T367] ? tun_chr_open+0x540/0x540 [ 71.293863][ T367] __fput+0x22b/0x900 [ 71.297865][ T367] ____fput+0x15/0x20 [ 71.301869][ T367] task_work_run+0x127/0x190 [ 71.306482][ T367] do_exit+0xb70/0x29a0 [ 71.310683][ T367] ? put_task_struct+0x90/0x90 [ 71.315471][ T367] ? __fdget_pos+0x1f7/0x380 [ 71.320081][ T367] ? ksys_write+0x1eb/0x260 [ 71.324615][ T367] ? __ia32_sys_read+0x90/0x90 [ 71.329402][ T367] do_group_exit+0x149/0x310 [ 71.334011][ T367] __x64_sys_exit_group+0x3f/0x40 [ 71.339050][ T367] x64_sys_call+0x832/0x9a0 [ 71.343729][ T367] do_syscall_64+0x4c/0xa0 [ 71.348166][ T367] ? clear_bhb_loop+0x50/0xa0 [ 71.352859][ T367] ? clear_bhb_loop+0x50/0xa0 [ 71.357565][ T367] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.363490][ T367] RIP: 0033:0x7f7807a02e99 [ 71.367922][ T367] Code: Unable to access opcode bytes at RIP 0x7f7807a02e6f. [ 71.375306][ T367] RSP: 002b:00007ffde7329068 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 71.383740][ T367] RAX: ffffffffffffffda RBX: 00007f7807a9832f RCX: 00007f7807a02e99 [ 71.391763][ T367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 71.399840][ T367] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f7807a9830a [ 71.407826][ T367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffde732a2c0 [ 71.415898][ T367] R13: 00007f7807a9830a R14: 000000000000b9fa R15: 00007ffde732a300 [ 71.423898][ T367] [ 71.426936][ T366] CPU: 1 PID: 366 Comm: syz-executor Not tainted syzkaller #0 [ 71.434423][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 71.444497][ T366] Call Trace: [ 71.447986][ T366] [ 71.451109][ T366] __dump_stack+0x21/0x30 [ 71.455483][ T366] dump_stack_lvl+0x110/0x170 [ 71.460202][ T366] ? show_regs_print_info+0x20/0x20 [ 71.465528][ T366] ? prandom_u32+0x24d/0x290 [ 71.470148][ T366] dump_stack+0x15/0x20 [ 71.474339][ T366] should_fail+0x3ab/0x500 [ 71.478789][ T366] __should_failslab+0xa4/0xe0 [ 71.483736][ T366] should_failslab+0x9/0x20 [ 71.488371][ T366] slab_pre_alloc_hook+0x39/0xd0 [ 71.488914][ T90] socket: no more sockets [ 71.493370][ T366] ? __sigqueue_alloc+0x137/0x210 [ 71.502889][ T366] kmem_cache_alloc+0x44/0x260 [ 71.507715][ T366] __sigqueue_alloc+0x137/0x210 [ 71.509148][ T90] FAULT_INJECTION: forcing a failure. [ 71.509148][ T90] name failslab, interval 1, probability 10, space 0, times 21 [ 71.512718][ T366] __send_signal+0x21a/0xce0 [ 71.530103][ T366] do_notify_parent+0x6a3/0x830 [ 71.534988][ T366] ? complete_signal+0xd10/0xd10 [ 71.539941][ T366] ? group_send_sig_info+0x3dd/0x410 [ 71.545269][ T366] ? __lock_task_sighand+0x100/0x100 [ 71.550584][ T366] ? kill_orphaned_pgrp+0x553/0x570 [ 71.555802][ T366] do_exit+0x17ec/0x29a0 [ 71.560060][ T366] ? put_task_struct+0x90/0x90 [ 71.564844][ T366] ? release_firmware_map_entry+0x190/0x190 [ 71.570760][ T366] ? child_wait_callback+0x220/0x220 [ 71.576078][ T366] ? __kasan_check_write+0x14/0x20 [ 71.581210][ T366] ? _raw_spin_lock_irq+0x95/0xf0 [ 71.586258][ T366] do_group_exit+0x149/0x310 [ 71.590873][ T366] ? __kasan_check_write+0x14/0x20 [ 71.596006][ T366] ? recalc_sigpending+0x1c4/0x230 [ 71.601139][ T366] get_signal+0x64f/0x1430 [ 71.605580][ T366] arch_do_signal_or_restart+0xe2/0x1100 [ 71.611244][ T366] ? __x64_sys_wait4+0x1b4/0x230 [ 71.616425][ T366] ? get_sigframe_size+0x10/0x10 [ 71.621479][ T366] ? kernel_wait+0x1c0/0x1c0 [ 71.626275][ T366] exit_to_user_mode_loop+0xa7/0xe0 [ 71.631810][ T366] exit_to_user_mode_prepare+0x87/0xd0 [ 71.637476][ T366] syscall_exit_to_user_mode+0x1a/0x30 [ 71.642957][ T366] do_syscall_64+0x58/0xa0 [ 71.647507][ T366] ? clear_bhb_loop+0x50/0xa0 [ 71.652210][ T366] ? clear_bhb_loop+0x50/0xa0 [ 71.657003][ T366] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.663025][ T366] RIP: 0033:0x7f78079be017 [ 71.667560][ T366] Code: Unable to access opcode bytes at RIP 0x7f78079bdfed. [ 71.674939][ T366] RSP: 002b:00007ffde732a3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000003d [ 71.683372][ T366] RAX: fffffffffffffe00 RBX: 0000555575a45500 RCX: 00007f78079be017 [ 71.691366][ T366] RDX: 0000000040000000 RSI: 00007ffde732a44c RDI: ffffffffffffffff [ 71.699354][ T366] RBP: 00007ffde732a44c R08: 0000000000000000 R09: 0000000000000000 [ 71.707347][ T366] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde732a4c8 [ 71.715507][ T366] R13: 0000000000000002 R14: 00007ffde732a6a8 R15: 0000000000000000 [ 71.723515][ T366] [ 71.726635][ C1] FAULT_INJECTION: forcing a failure. [ 71.726635][ C1] name failslab, interval 1, probability 10, space 0, times 20 [ 71.729877][ T299] FAULT_INJECTION: forcing a failure. [ 71.729877][ T299] name failslab, interval 1, probability 10, space 0, times 20 [ 71.739522][ C1] CPU: 1 PID: 366 Comm: syz-executor Not tainted syzkaller #0 [ 71.759860][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 71.769938][ C1] Call Trace: [ 71.773241][ C1] [ 71.776119][ C1] __dump_stack+0x21/0x30 [ 71.780472][ C1] dump_stack_lvl+0x110/0x170 [ 71.785165][ C1] ? show_regs_print_info+0x20/0x20 [ 71.790465][ C1] ? prandom_u32+0x24d/0x290 [ 71.795081][ C1] dump_stack+0x15/0x20 [ 71.799265][ C1] should_fail+0x3ab/0x500 [ 71.803872][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 71.809528][ C1] __should_failslab+0xa4/0xe0 [ 71.814317][ C1] should_failslab+0x9/0x20 [ 71.818871][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 71.823835][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 71.829611][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 71.835285][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 71.840618][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 71.846277][ C1] ? wg_packet_send_keepalive+0x62/0x1c0 [ 71.851927][ C1] __alloc_skb+0x210/0x730 [ 71.856368][ C1] wg_packet_send_keepalive+0x62/0x1c0 [ 71.861856][ C1] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 71.868548][ C1] wg_expired_send_persistent_keepalive+0x53/0x80 [ 71.875161][ C1] ? wg_expired_zero_key_material+0x170/0x170 [ 71.881248][ C1] call_timer_fn+0x38/0x290 [ 71.885797][ C1] ? wg_expired_zero_key_material+0x170/0x170 [ 71.891884][ C1] __run_timers+0x637/0x9a0 [ 71.896406][ C1] ? calc_index+0x200/0x200 [ 71.901015][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 71.905878][ C1] run_timer_softirq+0x6a/0xf0 [ 71.910742][ C1] handle_softirqs+0x250/0x560 [ 71.915613][ C1] ? irqtime_account_irq+0xbe/0x390 [ 71.920830][ C1] __irq_exit_rcu+0x52/0xf0 [ 71.925477][ C1] irq_exit_rcu+0x9/0x10 [ 71.929767][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 71.935442][ C1] [ 71.938413][ C1] [ 71.941377][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 71.947401][ C1] RIP: 0010:_raw_write_unlock_irq+0x27/0x60 [ 71.953361][ C1] Code: 00 00 00 55 48 89 e5 53 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 23 c6 07 00 fb bf 01 00 00 00 04 e4 93 fc 65 8b 05 75 8c 4e 7b 85 c0 74 03 5b 5d c3 e8 15 98 [ 71.973005][ C1] RSP: 0018:ffffc90000a97a28 EFLAGS: 00000246 [ 71.979117][ C1] RAX: 0000000000000000 RBX: ffff88810d7ea300 RCX: dffffc0000000000 [ 71.987365][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 71.989312][ T101] FAULT_INJECTION: forcing a failure. [ 71.989312][ T101] name failslab, interval 1, probability 10, space 0, times 19 [ 71.995384][ C1] RBP: ffffc90000a97a30 R08: 0000000000000003 R09: 0000000000000004 [ 72.016632][ C1] R10: dffffc0000000000 R11: fffff52000152ec0 R12: dffffc0000000000 [ 72.024634][ C1] R13: 1ffff1102208c815 R14: dffffc0000000000 R15: ffff8881104641c8 [ 72.032933][ C1] do_exit+0x196d/0x29a0 [ 72.037212][ C1] ? put_task_struct+0x90/0x90 [ 72.042000][ C1] ? release_firmware_map_entry+0x190/0x190 [ 72.048040][ C1] ? child_wait_callback+0x220/0x220 [ 72.053461][ C1] ? __kasan_check_write+0x14/0x20 [ 72.058601][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 72.063650][ C1] do_group_exit+0x149/0x310 [ 72.068377][ C1] ? __kasan_check_write+0x14/0x20 [ 72.073519][ C1] ? recalc_sigpending+0x1c4/0x230 [ 72.078650][ C1] get_signal+0x64f/0x1430 [ 72.083090][ C1] arch_do_signal_or_restart+0xe2/0x1100 [ 72.088856][ C1] ? __x64_sys_wait4+0x1b4/0x230 [ 72.093817][ C1] ? get_sigframe_size+0x10/0x10 [ 72.098801][ C1] ? kernel_wait+0x1c0/0x1c0 [ 72.103504][ C1] exit_to_user_mode_loop+0xa7/0xe0 [ 72.108755][ C1] exit_to_user_mode_prepare+0x87/0xd0 [ 72.114252][ C1] syscall_exit_to_user_mode+0x1a/0x30 [ 72.119740][ C1] do_syscall_64+0x58/0xa0 [ 72.124192][ C1] ? clear_bhb_loop+0x50/0xa0 [ 72.128895][ C1] ? clear_bhb_loop+0x50/0xa0 [ 72.133691][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.139608][ C1] RIP: 0033:0x7f78079be017 [ 72.144039][ C1] Code: Unable to access opcode bytes at RIP 0x7f78079bdfed. [ 72.151497][ C1] RSP: 002b:00007ffde732a3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000003d [ 72.159939][ C1] RAX: fffffffffffffe00 RBX: 0000555575a45500 RCX: 00007f78079be017 [ 72.168020][ C1] RDX: 0000000040000000 RSI: 00007ffde732a44c RDI: ffffffffffffffff [ 72.176018][ C1] RBP: 00007ffde732a44c R08: 0000000000000000 R09: 0000000000000000 [ 72.184005][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde732a4c8 [ 72.191991][ C1] R13: 0000000000000002 R14: 00007ffde732a6a8 R15: 0000000000000000 [ 72.200456][ C1] [ 72.203489][ T374] CPU: 0 PID: 374 Comm: kworker/u4:4 Not tainted syzkaller #0 [ 72.210977][ T374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 72.221050][ T374] Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker [ 72.228011][ T374] Call Trace: [ 72.231331][ T374] [ 72.234366][ T374] __dump_stack+0x21/0x30 [ 72.238711][ T374] dump_stack_lvl+0x110/0x170 [ 72.243404][ T374] ? show_regs_print_info+0x20/0x20 [ 72.248885][ T374] ? prandom_u32+0x24d/0x290 [ 72.253500][ T374] dump_stack+0x15/0x20 [ 72.257681][ T374] should_fail+0x3ab/0x500 [ 72.262117][ T374] __should_failslab+0xa4/0xe0 [ 72.266919][ T374] should_failslab+0x9/0x20 [ 72.271443][ T374] slab_pre_alloc_hook+0x39/0xd0 [ 72.276406][ T374] ? __alloc_skb+0xe4/0x730 [ 72.280951][ T374] kmem_cache_alloc+0x44/0x260 [ 72.285772][ T374] __alloc_skb+0xe4/0x730 [ 72.290213][ T374] wg_socket_send_buffer_to_peer+0x37/0x170 [ 72.296298][ T374] ? ktime_get_coarse_with_offset+0x153/0x1a0 [ 72.302475][ T374] wg_packet_handshake_send_worker+0x200/0x290 [ 72.308657][ T374] ? wg_prev_queue_dequeue+0x230/0x230 [ 72.314242][ T374] ? _raw_spin_lock_irq+0x95/0xf0 [ 72.319307][ T374] ? move_linked_works+0x246/0x260 [ 72.324452][ T374] process_one_work+0x6c8/0xbb0 [ 72.329334][ T374] worker_thread+0xaa0/0x1250 [ 72.332378][ T64] FAULT_INJECTION: forcing a failure. [ 72.332378][ T64] name failslab, interval 1, probability 10, space 0, times 17 [ 72.334135][ T374] kthread+0x3f5/0x4f0 [ 72.350973][ T374] ? worker_clr_flags+0x190/0x190 [ 72.356021][ T374] ? kthread_blkcg+0xd0/0xd0 [ 72.360716][ T374] ret_from_fork+0x1f/0x30 [ 72.365269][ T374] [ 72.368333][ T64] CPU: 1 PID: 64 Comm: jbd2/sda1-8 Not tainted syzkaller #0 [ 72.375651][ T64] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 72.385813][ T64] Call Trace: [ 72.389121][ T64] [ 72.392164][ T64] __dump_stack+0x21/0x30 [ 72.396519][ T64] dump_stack_lvl+0x110/0x170 [ 72.401212][ T64] ? show_regs_print_info+0x20/0x20 [ 72.406429][ T64] ? prandom_u32+0x24d/0x290 [ 72.411038][ T64] dump_stack+0x15/0x20 [ 72.415219][ T64] should_fail+0x3ab/0x500 [ 72.419738][ T64] __should_failslab+0xa4/0xe0 [ 72.424519][ T64] should_failslab+0x9/0x20 [ 72.429034][ T64] slab_pre_alloc_hook+0x39/0xd0 [ 72.434003][ T64] ? mempool_alloc_slab+0x1d/0x30 [ 72.439055][ T64] kmem_cache_alloc+0x44/0x260 [ 72.443845][ T64] ? _raw_spin_lock+0x94/0xf0 [ 72.448561][ T64] ? mempool_free+0x330/0x330 [ 72.453281][ T64] mempool_alloc_slab+0x1d/0x30 [ 72.458182][ T64] mempool_alloc+0x167/0x4c0 [ 72.462801][ T64] ? __kasan_check_write+0x14/0x20 [ 72.468033][ T64] ? __find_get_block+0x9c2/0xeb0 [ 72.473100][ T64] ? __crc32c_le_base+0x589/0xd40 [ 72.478793][ T64] ? mempool_resize+0x880/0x880 [ 72.483810][ T64] ? chksum_update+0x47/0xa0 [ 72.488605][ T64] ? crypto_shash_update+0x216/0x300 [ 72.494005][ T64] bio_alloc_bioset+0x124/0x910 [ 72.498892][ T64] submit_bh_wbc+0x1c2/0x680 [ 72.503523][ T64] ? unlock_buffer+0x2b/0x30 [ 72.508144][ T64] submit_bh+0x2a/0x40 [ 72.512235][ T64] journal_submit_commit_record+0x799/0xa30 [ 72.518151][ T64] ? journal_end_buffer_io_sync+0x110/0x110 [ 72.524161][ T64] ? _raw_write_trylock+0x150/0x150 [ 72.529529][ T64] ? _raw_read_unlock+0x25/0x40 [ 72.534502][ T64] jbd2_journal_commit_transaction+0x3500/0x5650 [ 72.540906][ T64] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 72.548070][ T64] ? __switch_to+0x56c/0x1070 [ 72.553029][ T64] ? compat_start_thread+0x20/0x20 [ 72.558169][ T64] ? _raw_spin_lock+0xf0/0xf0 [ 72.562877][ T64] ? _raw_spin_lock+0xf0/0xf0 [ 72.567620][ T64] ? __kasan_check_write+0x14/0x20 [ 72.572766][ T64] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 72.578264][ T64] ? _raw_spin_lock+0xf0/0xf0 [ 72.583154][ T64] ? detach_if_pending+0xf5/0x300 [ 72.588223][ T64] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 72.594058][ T64] ? del_timer_sync+0x144/0x1a0 [ 72.598945][ T64] kjournald2+0x43d/0x860 [ 72.603318][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 72.608537][ T64] ? io_schedule+0xe0/0xe0 [ 72.612984][ T64] ? __kasan_check_read+0x11/0x20 [ 72.618151][ T64] ? __kthread_parkme+0xab/0x1f0 [ 72.623134][ T64] kthread+0x3f5/0x4f0 [ 72.627226][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 72.632443][ T64] ? kthread_blkcg+0xd0/0xd0 [ 72.637048][ T64] ret_from_fork+0x1f/0x30 [ 72.641566][ T64] [ 72.644639][ T101] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 72.645311][ T367] FAULT_INJECTION: forcing a failure. [ 72.645311][ T367] name failslab, interval 1, probability 10, space 0, times 16 [ 72.651526][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 72.651539][ T101] Call Trace: [ 72.651546][ T101] [ 72.651557][ T101] __dump_stack+0x21/0x30 [ 72.685501][ T101] dump_stack_lvl+0x110/0x170 [ 72.689055][ T322] FAULT_INJECTION: forcing a failure. [ 72.689055][ T322] name failslab, interval 1, probability 10, space 0, times 16 [ 72.690210][ T101] ? show_regs_print_info+0x20/0x20 [ 72.708509][ T101] dump_stack+0x15/0x20 [ 72.712741][ T101] should_fail+0x3ab/0x500 [ 72.717201][ T101] __should_failslab+0xa4/0xe0 [ 72.722123][ T101] should_failslab+0x9/0x20 [ 72.726665][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 72.731754][ T101] ? getname_flags+0xba/0x510 [ 72.736472][ T101] kmem_cache_alloc+0x44/0x260 [ 72.741296][ T101] getname_flags+0xba/0x510 [ 72.745875][ T101] user_path_at_empty+0x2f/0x1c0 [ 72.750844][ T101] do_readlinkat+0xd9/0x490 [ 72.755460][ T101] ? cp_old_stat+0x4a0/0x4a0 [ 72.760161][ T101] ? debug_smp_processor_id+0x17/0x20 [ 72.765640][ T101] __x64_sys_readlink+0x7f/0x90 [ 72.770520][ T101] x64_sys_call+0x93c/0x9a0 [ 72.775044][ T101] do_syscall_64+0x4c/0xa0 [ 72.779569][ T101] ? clear_bhb_loop+0x50/0xa0 [ 72.784263][ T101] ? clear_bhb_loop+0x50/0xa0 [ 72.788959][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.794878][ T101] RIP: 0033:0x7f1f3d1613a7 [ 72.799565][ T101] Code: 00 00 90 48 83 ec 10 48 63 ff 45 31 c9 45 31 c0 6a 00 31 c9 e8 8a 20 f9 ff 48 83 c4 18 c3 0f 1f 44 00 00 b8 59 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 21 ba 0d 00 f7 d8 64 89 02 48 [ 72.819457][ T101] RSP: 002b:00007ffc086db838 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 [ 72.827943][ T101] RAX: ffffffffffffffda RBX: 00007ffc086dc0c0 RCX: 00007f1f3d1613a7 [ 72.835982][ T101] RDX: 00000000000003ff RSI: 00007ffc086dc0c0 RDI: 00007ffc086db8a0 [ 72.844135][ T101] RBP: 00000000000003ff R08: 0000559fb121b5e8 R09: 00007ffc086db8a0 [ 72.852314][ T101] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc086dc0b0 [ 72.860411][ T101] R13: 00007ffc086dbcb0 R14: 00007ffc086dc0c0 R15: 00007ffc086db8a0 [ 72.868421][ T101] [ 72.871507][ T139] CPU: 1 PID: 139 Comm: dhcpcd Not tainted syzkaller #0 [ 72.871757][ T375] FAULT_INJECTION: forcing a failure. [ 72.871757][ T375] name failslab, interval 1, probability 10, space 0, times 16 [ 72.878738][ T139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 72.878758][ T139] Call Trace: [ 72.878765][ T139] [ 72.878773][ T139] __dump_stack+0x21/0x30 [ 72.878799][ T139] dump_stack_lvl+0x110/0x170 [ 72.878817][ T139] ? show_regs_print_info+0x20/0x20 [ 72.922846][ T139] ? prandom_u32+0x24d/0x290 [ 72.927467][ T139] dump_stack+0x15/0x20 [ 72.931649][ T139] should_fail+0x3ab/0x500 [ 72.936093][ T139] __should_failslab+0xa4/0xe0 [ 72.940909][ T139] should_failslab+0x9/0x20 [ 72.945504][ T139] slab_pre_alloc_hook+0x39/0xd0 [ 72.950640][ T139] ? __alloc_skb+0xe4/0x730 [ 72.955528][ T139] kmem_cache_alloc+0x44/0x260 [ 72.960329][ T139] ? sock_kzfree_s+0x60/0x60 [ 72.964969][ T139] __alloc_skb+0xe4/0x730 [ 72.969335][ T139] alloc_skb_with_frags+0xa8/0x620 [ 72.974471][ T139] ? put_pid+0xc5/0x120 [ 72.978659][ T139] ? avc_has_perm_noaudit+0x390/0x490 [ 72.984235][ T139] sock_alloc_send_pskb+0x87f/0x9a0 [ 72.989473][ T139] ? avc_denied+0x1b0/0x1b0 [ 72.994006][ T139] ? sock_kzfree_s+0x60/0x60 [ 72.998623][ T139] ? __kasan_check_write+0x14/0x20 [ 73.003762][ T139] ? _raw_spin_lock+0x94/0xf0 [ 73.008635][ T139] ? _raw_spin_trylock_bh+0x150/0x150 [ 73.014042][ T139] ? avc_has_perm+0x163/0x250 [ 73.018869][ T139] unix_dgram_sendmsg+0x6f3/0x19b0 [ 73.024034][ T139] ? selinux_socket_sendmsg+0x22f/0x340 [ 73.029628][ T139] ? selinux_socket_accept+0x570/0x570 [ 73.035212][ T139] ? unix_dgram_poll+0x6c0/0x6c0 [ 73.040175][ T139] unix_seqpacket_sendmsg+0x118/0x1e0 [ 73.045659][ T139] sock_write_iter+0x2a6/0x3a0 [ 73.050462][ T139] ? sock_read_iter+0x380/0x380 [ 73.055334][ T139] ? do_iter_write+0x45d/0x7b0 [ 73.060299][ T139] ? memset+0x35/0x40 [ 73.064400][ T139] ? iov_iter_init+0xbc/0x180 [ 73.069121][ T139] vfs_write+0x831/0xfd0 [ 73.073416][ T139] ? file_end_write+0x1b0/0x1b0 [ 73.078301][ T139] ? __secure_computing+0x290/0x290 [ 73.083529][ T139] ? __kasan_check_read+0x11/0x20 [ 73.088572][ T139] ? __fdget_pos+0x1f7/0x380 [ 73.093186][ T139] ksys_write+0x14a/0x260 [ 73.097832][ T139] ? __ia32_sys_read+0x90/0x90 [ 73.102633][ T139] ? __secure_computing+0xea/0x290 [ 73.107781][ T139] __x64_sys_write+0x7b/0x90 [ 73.112408][ T139] x64_sys_call+0x8ef/0x9a0 [ 73.116955][ T139] do_syscall_64+0x4c/0xa0 [ 73.121518][ T139] ? clear_bhb_loop+0x50/0xa0 [ 73.126226][ T139] ? clear_bhb_loop+0x50/0xa0 [ 73.130937][ T139] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 73.136859][ T139] RIP: 0033:0x7f9e91521407 [ 73.141292][ T139] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 73.149314][ T323] FAULT_INJECTION: forcing a failure. [ 73.149314][ T323] name failslab, interval 1, probability 10, space 0, times 15 [ 73.161781][ T139] RSP: 002b:00007fff63f1ac50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 73.161807][ T139] RAX: ffffffffffffffda RBX: 00007f9e91497740 RCX: 00007f9e91521407 [ 73.191729][ T139] RDX: 0000000000000030 RSI: 00007fff63f1acb0 RDI: 0000000000000005 [ 73.199743][ T139] RBP: 000056221ea3b301 R08: 0000000000000000 R09: 0000000000000000 [ 73.207852][ T139] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff63f1b0e0 [ 73.215862][ T139] R13: 0000000000000069 R14: 00007fff63f1b610 R15: 00007fff63f1b1c0 [ 73.223956][ T139] [ 73.227139][ T299] CPU: 0 PID: 299 Comm: syz-executor Not tainted syzkaller #0 [ 73.234647][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 73.244835][ T299] Call Trace: [ 73.248147][ T299] [ 73.251104][ T299] __dump_stack+0x21/0x30 [ 73.255597][ T299] dump_stack_lvl+0x110/0x170 [ 73.260315][ T299] ? show_regs_print_info+0x20/0x20 [ 73.265651][ T299] ? prandom_u32+0x24d/0x290 [ 73.270281][ T299] dump_stack+0x15/0x20 [ 73.274620][ T299] should_fail+0x3ab/0x500 [ 73.279193][ T299] __should_failslab+0xa4/0xe0 [ 73.284021][ T299] should_failslab+0x9/0x20 [ 73.288555][ T299] slab_pre_alloc_hook+0x39/0xd0 [ 73.293513][ T299] kmem_cache_alloc_trace+0x48/0x270 [ 73.298821][ T299] ? __get_vm_area_node+0x11d/0x350 [ 73.304127][ T299] __get_vm_area_node+0x11d/0x350 [ 73.309171][ T299] __vmalloc_node_range+0xe8/0xad0 [ 73.314354][ T299] ? copy_process+0x5e0/0x3280 [ 73.319165][ T299] ? slab_post_alloc_hook+0x6d/0x2b0 [ 73.324480][ T299] ? should_failslab+0x9/0x20 [ 73.329262][ T299] ? kmem_cache_alloc+0xf7/0x260 [ 73.334304][ T299] dup_task_struct+0x41e/0xc50 [ 73.339088][ T299] ? copy_process+0x5e0/0x3280 [ 73.343966][ T299] copy_process+0x5e0/0x3280 [ 73.348586][ T299] ? __kasan_check_read+0x11/0x20 [ 73.354000][ T299] ? khugepaged_enter_vma_merge+0x1ec/0x3e0 [ 73.359945][ T299] ? vma_merge+0x3f5/0x8d0 [ 73.364397][ T299] ? check_stack_object+0x10f/0x150 [ 73.369647][ T299] ? __pidfd_prepare+0x150/0x150 [ 73.374797][ T299] ? copy_clone_args_from_user+0x5fb/0x6d0 [ 73.380626][ T299] kernel_clone+0x233/0x960 [ 73.385148][ T299] ? __delayed_free_task+0x20/0x20 [ 73.390298][ T299] ? create_io_thread+0x170/0x170 [ 73.395345][ T299] __x64_sys_clone3+0x2da/0x370 [ 73.400219][ T299] ? __kasan_check_write+0x14/0x20 [ 73.405448][ T299] ? __ia32_sys_clone+0x200/0x200 [ 73.410509][ T299] ? __se_sys_rt_sigprocmask+0x233/0x290 [ 73.416181][ T299] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 73.422271][ T299] x64_sys_call+0x53e/0x9a0 [ 73.426790][ T299] do_syscall_64+0x4c/0xa0 [ 73.431329][ T299] ? clear_bhb_loop+0x50/0xa0 [ 73.436117][ T299] ? clear_bhb_loop+0x50/0xa0 [ 73.440847][ T299] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 73.446772][ T299] RIP: 0033:0x7fbd92830c89 [ 73.451206][ T299] Code: 90 b8 01 00 00 00 b9 01 00 00 00 eb ec 0f 1f 40 00 b8 ea ff ff ff 48 85 ff 74 28 48 85 d2 74 23 49 89 c8 b8 b3 01 00 00 0f 05 <48> 85 c0 7c 14 74 01 c3 31 ed 4c 89 c7 ff d2 48 89 c7 b8 3c 00 00 [ 73.471300][ T299] RSP: 002b:00007ffd40e64578 EFLAGS: 00000206 ORIG_RAX: 00000000000001b3 [ 73.479755][ T299] RAX: ffffffffffffffda RBX: 0000000000009000 RCX: 00007fbd92830c89 [ 73.487835][ T299] RDX: 00007fbd9282d630 RSI: 0000000000000058 RDI: 00007ffd40e645c0 [ 73.496028][ T299] RBP: 00007fbd92a89000 R08: 00007ffd40e64620 R09: 0000000000000000 [ 73.504114][ T299] R10: 0000000000000008 R11: 0000000000000206 R12: 00007ffd40e64620 [ 73.512119][ T299] R13: 0000000000000000 R14: 00007ffd40e645c0 R15: 00007ffd40e64a90 [ 73.520284][ T299] [ 73.523335][ T322] CPU: 1 PID: 322 Comm: kworker/1:2 Not tainted syzkaller #0 [ 73.530744][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 73.540819][ T322] Workqueue: mld mld_ifc_work [ 73.545616][ T322] Call Trace: [ 73.548914][ T322] [ 73.551866][ T322] __dump_stack+0x21/0x30 [ 73.556299][ T322] dump_stack_lvl+0x110/0x170 [ 73.560996][ T322] ? show_regs_print_info+0x20/0x20 [ 73.566219][ T322] dump_stack+0x15/0x20 [ 73.570401][ T322] should_fail+0x3ab/0x500 [ 73.574860][ T322] __should_failslab+0xa4/0xe0 [ 73.579644][ T322] should_failslab+0x9/0x20 [ 73.584167][ T322] slab_pre_alloc_hook+0x39/0xd0 [ 73.589128][ T322] ? __alloc_skb+0xe4/0x730 [ 73.593971][ T322] kmem_cache_alloc+0x44/0x260 [ 73.598873][ T322] __alloc_skb+0xe4/0x730 [ 73.603246][ T322] mld_newpack+0x143/0x9e0 [ 73.607688][ T322] ? mld_sendpack+0xba0/0xba0 [ 73.612389][ T322] ? __switch_to+0x56c/0x1070 [ 73.617088][ T322] add_grec+0xee8/0x1340 [ 73.621528][ T322] ? wait_for_completion_killable_timeout+0x10/0x10 [ 73.628326][ T322] ? _raw_spin_unlock+0x4d/0x70 [ 73.633305][ T322] ? switch_mm_irqs_off+0x32d/0x960 [ 73.638624][ T322] mld_ifc_work+0x1ec/0xc40 [ 73.643151][ T322] process_one_work+0x6c8/0xbb0 [ 73.648036][ T322] worker_thread+0xaa0/0x1250 [ 73.652880][ T322] ? __kasan_check_read+0x11/0x20 [ 73.658018][ T322] kthread+0x3f5/0x4f0 [ 73.662105][ T322] ? worker_clr_flags+0x190/0x190 [ 73.667322][ T322] ? kthread_blkcg+0xd0/0xd0 [ 73.671931][ T322] ret_from_fork+0x1f/0x30 [ 73.676413][ T322] [ 73.679459][ T375] CPU: 0 PID: 375 Comm: kworker/u4:5 Not tainted syzkaller #0 [ 73.679909][ C1] FAULT_INJECTION: forcing a failure. [ 73.679909][ C1] name failslab, interval 1, probability 10, space 0, times 14 [ 73.686962][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 73.710001][ T375] Call Trace: [ 73.713298][ T375] [ 73.716250][ T375] __dump_stack+0x21/0x30 [ 73.720725][ T375] dump_stack_lvl+0x110/0x170 [ 73.725873][ T375] ? show_regs_print_info+0x20/0x20 [ 73.731097][ T375] ? prandom_u32+0x24d/0x290 [ 73.735716][ T375] dump_stack+0x15/0x20 [ 73.739898][ T375] should_fail+0x3ab/0x500 [ 73.744333][ T375] __should_failslab+0xa4/0xe0 [ 73.749122][ T375] should_failslab+0x9/0x20 [ 73.753908][ T375] slab_pre_alloc_hook+0x39/0xd0 [ 73.758904][ T375] kmem_cache_alloc_trace+0x48/0x270 [ 73.764243][ T375] ? __kthread_create_on_node+0x148/0x570 [ 73.770011][ T375] ? worker_clr_flags+0x190/0x190 [ 73.775179][ T375] __kthread_create_on_node+0x148/0x570 [ 73.780755][ T375] ? pointer+0xc60/0xc60 [ 73.785033][ T375] ? kthread_create_on_node+0x140/0x140 [ 73.790616][ T375] ? vsnprintf+0x189d/0x1990 [ 73.795239][ T375] ? worker_clr_flags+0x190/0x190 [ 73.800296][ T375] ? worker_clr_flags+0x190/0x190 [ 73.805443][ T375] kthread_create_on_node+0xe8/0x140 [ 73.810757][ T375] ? tsk_fork_get_node+0x10/0x10 [ 73.815728][ T375] ? create_worker+0xee/0x780 [ 73.820476][ T375] create_worker+0x36f/0x780 [ 73.825098][ T375] ? workqueue_prepare_cpu+0x170/0x170 [ 73.830612][ T375] worker_thread+0x4c0/0x1250 [ 73.835676][ T375] kthread+0x3f5/0x4f0 [ 73.839861][ T375] ? worker_clr_flags+0x190/0x190 [ 73.844920][ T375] ? kthread_blkcg+0xd0/0xd0 [ 73.849541][ T375] ret_from_fork+0x1f/0x30 [ 73.853998][ T375] [ 73.857129][ C1] CPU: 1 PID: 25 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 73.864541][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 73.874714][ C1] Call Trace: [ 73.878016][ C1] [ 73.881000][ C1] __dump_stack+0x21/0x30 [ 73.885635][ C1] dump_stack_lvl+0x110/0x170 [ 73.890355][ C1] ? show_regs_print_info+0x20/0x20 [ 73.895593][ C1] ? prandom_u32+0x24d/0x290 [ 73.900215][ C1] dump_stack+0x15/0x20 [ 73.904447][ C1] should_fail+0x3ab/0x500 [ 73.909063][ C1] ? arp_create+0xe8/0x7f0 [ 73.913515][ C1] __should_failslab+0xa4/0xe0 [ 73.918312][ C1] should_failslab+0x9/0x20 [ 73.922845][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 73.928016][ C1] ? arp_create+0xe8/0x7f0 [ 73.932486][ C1] ? arp_create+0xe8/0x7f0 [ 73.936929][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 73.942248][ C1] ? arp_create+0xe8/0x7f0 [ 73.946698][ C1] ? arp_create+0xe8/0x7f0 [ 73.951145][ C1] __alloc_skb+0x210/0x730 [ 73.955597][ C1] arp_create+0xe8/0x7f0 [ 73.959883][ C1] arp_send_dst+0x8c/0x280 [ 73.964381][ C1] arp_process+0x153f/0x1bc0 [ 73.969019][ C1] ? arp_error_report+0xc0/0xc0 [ 73.973909][ C1] ? packet_sock_destruct+0x160/0x160 [ 73.979312][ C1] ? __netif_receive_skb_core+0x2962/0x2fb0 [ 73.985267][ C1] ? arp_error_report+0xc0/0xc0 [ 73.990146][ C1] NF_HOOK+0x169/0x1c0 [ 73.994244][ C1] ? arp_error_report+0xc0/0xc0 [ 73.999119][ C1] ? arp_xmit+0x1f0/0x1f0 [ 73.999503][ T101] udevd[101]: failed to enumerate rules files: No such file or directory [ 74.003586][ C1] ? set_rps_cpu+0x5d0/0x5d0 [ 74.016630][ C1] arp_rcv+0x2ef/0x480 [ 74.020741][ C1] ? arp_is_garp+0x160/0x160 [ 74.025360][ C1] __netif_receive_skb_list_core+0x704/0x770 [ 74.031549][ C1] ? __netif_receive_skb+0x280/0x280 [ 74.036876][ C1] ? receive_buf+0x2ec5/0x4bc0 [ 74.039279][ T101] FAULT_INJECTION: forcing a failure. [ 74.039279][ T101] name failslab, interval 1, probability 10, space 0, times 13 [ 74.041843][ C1] netif_receive_skb_list_internal+0x7f8/0xaa0 [ 74.060883][ C1] ? netif_receive_skb_list+0x2a0/0x2a0 [ 74.066465][ C1] ? ____kasan_slab_free+0x130/0x160 [ 74.071808][ C1] ? virtqueue_get_buf_ctx+0x4a2/0xf60 [ 74.077303][ C1] ? detach_buf_split+0x88d/0xa90 [ 74.082448][ C1] napi_complete_done+0x375/0x7a0 [ 74.087504][ C1] ? __napi_schedule_irqoff+0x230/0x230 [ 74.093082][ C1] ? virtqueue_get_buf_ctx+0x4a2/0xf60 [ 74.098573][ C1] ? virtqueue_enable_cb_prepare+0x235/0x570 [ 74.104599][ C1] virtnet_poll+0x8f4/0xe90 [ 74.109171][ C1] ? refill_work+0x220/0x220 [ 74.113793][ C1] __napi_poll+0xbb/0x580 [ 74.118151][ C1] net_rx_action+0x37f/0x910 [ 74.122805][ C1] ? net_tx_action+0x520/0x520 [ 74.127607][ C1] ? __schedule+0xbd7/0x14a0 [ 74.132229][ C1] ? irqtime_account_irq+0x76/0x390 [ 74.137459][ C1] handle_softirqs+0x250/0x560 [ 74.142290][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 74.147519][ C1] run_ksoftirqd+0x28/0x40 [ 74.151971][ C1] smpboot_thread_fn+0x446/0x880 [ 74.156947][ C1] kthread+0x3f5/0x4f0 [ 74.161048][ C1] ? cpu_report_death+0x1b0/0x1b0 [ 74.166107][ C1] ? kthread_blkcg+0xd0/0xd0 [ 74.170726][ C1] ret_from_fork+0x1f/0x30 [ 74.175212][ C1] [ 74.178261][ T101] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 74.185169][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 74.195260][ T101] Call Trace: [ 74.198565][ T101] [ 74.201530][ T101] __dump_stack+0x21/0x30 [ 74.205897][ T101] dump_stack_lvl+0x110/0x170 [ 74.210605][ T101] ? show_regs_print_info+0x20/0x20 [ 74.215840][ T101] dump_stack+0x15/0x20 [ 74.220028][ T101] should_fail+0x3ab/0x500 [ 74.224563][ T101] __should_failslab+0xa4/0xe0 [ 74.229369][ T101] should_failslab+0x9/0x20 [ 74.233909][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 74.238974][ T101] ? getname_flags+0xba/0x510 [ 74.243681][ T101] kmem_cache_alloc+0x44/0x260 [ 74.248486][ T101] ? __kasan_check_write+0x14/0x20 [ 74.253637][ T101] getname_flags+0xba/0x510 [ 74.258174][ T101] user_path_at_empty+0x2f/0x1c0 [ 74.263138][ T101] vfs_statx+0x109/0xa20 [ 74.267410][ T101] ? do_epoll_wait+0x16c3/0x1750 [ 74.272380][ T101] ? vfs_fstatat+0x40/0x40 [ 74.276926][ T101] __se_sys_newfstatat+0x10e/0x3d0 [ 74.282207][ T101] ? __x64_sys_newfstatat+0xb0/0xb0 [ 74.287438][ T101] ? ep_destroy_wakeup_source+0x50/0x50 [ 74.293026][ T101] ? blkcg_maybe_throttle_current+0x1e0/0xa00 [ 74.299173][ T101] ? __fput+0x67c/0x900 [ 74.303377][ T101] ? __ia32_sys_epoll_ctl+0x1b0/0x1b0 [ 74.308769][ T101] __x64_sys_newfstatat+0x9b/0xb0 [ 74.313822][ T101] x64_sys_call+0x2c1/0x9a0 [ 74.318349][ T101] do_syscall_64+0x4c/0xa0 [ 74.322784][ T101] ? clear_bhb_loop+0x50/0xa0 [ 74.327484][ T101] ? clear_bhb_loop+0x50/0xa0 [ 74.332264][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.338174][ T101] RIP: 0033:0x7f1f3d15db0a [ 74.342609][ T101] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 74.362324][ T101] RSP: 002b:00007ffc086dc578 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 74.368994][ C1] FAULT_INJECTION: forcing a failure. [ 74.368994][ C1] name failslab, interval 1, probability 10, space 0, times 12 [ 74.370758][ T101] RAX: ffffffffffffffda RBX: 0000559fb1458000 RCX: 00007f1f3d15db0a [ 74.391979][ T101] RDX: 00007ffc086dc580 RSI: 0000559fb1458000 RDI: 00000000ffffff9c [ 74.400121][ T101] RBP: 0000559fb146e080 R08: 0000000004694fb4 R09: 0000874960ba443a [ 74.408505][ T101] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc086dc580 [ 74.416629][ T101] R13: 0000559f9132a100 R14: 0000000000000001 R15: 0000000000000000 [ 74.424803][ T101] [ 74.427843][ C1] CPU: 1 PID: 43 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 74.435262][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 74.445457][ C1] Workqueue: events_unbound toggle_allocation_gate [ 74.452012][ C1] Call Trace: [ 74.455318][ C1] [ 74.458184][ C1] __dump_stack+0x21/0x30 [ 74.462544][ C1] dump_stack_lvl+0x110/0x170 [ 74.467352][ C1] ? show_regs_print_info+0x20/0x20 [ 74.472581][ C1] ? prandom_u32+0x24d/0x290 [ 74.477215][ C1] dump_stack+0x15/0x20 [ 74.481396][ C1] should_fail+0x3ab/0x500 [ 74.485856][ C1] __should_failslab+0xa4/0xe0 [ 74.490879][ C1] should_failslab+0x9/0x20 [ 74.495428][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 74.500574][ C1] kmem_cache_alloc_trace+0x48/0x270 [ 74.505887][ C1] ? dst_cow_metrics_generic+0x55/0x1c0 [ 74.511894][ C1] dst_cow_metrics_generic+0x55/0x1c0 [ 74.517284][ C1] icmp6_dst_alloc+0x35f/0x520 [ 74.522074][ C1] ndisc_send_skb+0x2a9/0xcf0 [ 74.526793][ C1] ? ret_from_fork+0x1f/0x30 [ 74.531408][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 74.536540][ C1] ? skb_put+0x10a/0x1f0 [ 74.540883][ C1] ndisc_send_rs+0x711/0x960 [ 74.545535][ C1] ? ndisc_send_rs+0x131/0x960 [ 74.550493][ C1] addrconf_rs_timer+0x35a/0x600 [ 74.555595][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 74.561703][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 74.567922][ C1] call_timer_fn+0x38/0x290 [ 74.572454][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 74.578732][ C1] __run_timers+0x637/0x9a0 [ 74.583293][ C1] ? calc_index+0x200/0x200 [ 74.587958][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 74.592873][ C1] run_timer_softirq+0x6a/0xf0 [ 74.597671][ C1] handle_softirqs+0x250/0x560 [ 74.602466][ C1] ? irqtime_account_irq+0xbe/0x390 [ 74.607697][ C1] __irq_exit_rcu+0x52/0xf0 [ 74.612228][ C1] irq_exit_rcu+0x9/0x10 [ 74.616505][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 74.622264][ C1] [ 74.625222][ C1] [ 74.628176][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 74.634281][ C1] RIP: 0010:smp_call_function_many_cond+0x8ad/0x9e0 [ 74.640940][ C1] Code: 0f b6 44 05 00 84 c0 0f 85 9b 00 00 00 41 8b 1f 89 de 83 e6 01 31 ff e8 31 48 0a 00 83 e3 01 75 07 e8 77 44 0a 00 eb 42 f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 75 10 41 f7 [ 74.660671][ C1] RSP: 0018:ffffc900002cf860 EFLAGS: 00000293 [ 74.666891][ C1] RAX: ffffffff815f728f RBX: 0000000000000001 RCX: ffff8881047c3b40 [ 74.674896][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 74.682903][ C1] RBP: ffffc900002cf978 R08: ffff8881f7138e97 R09: 1ffff1103ee271d2 [ 74.688960][ T299] syz-executor: vmalloc error: size 32768, vm_struct allocation failed, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) [ 74.691168][ C1] R10: dffffc0000000000 R11: ffffed103ee271d3 R12: ffff8881f7138e80 [ 74.691180][ T299] ,cpuset= [ 74.691190][ C1] R13: 1ffff1103ee07af9 R14: 0000000000000000 R15: ffff8881f703d7c8 [ 74.723129][ C1] ? smp_call_function_many_cond+0x8cf/0x9e0 [ 74.728815][ T299] /,mems_allowed=0 [ 74.729141][ C1] ? text_poke_sync+0x30/0x30 [ 74.737662][ C1] ? smp_call_function_many+0x40/0x40 [ 74.743147][ C1] ? __kmalloc_track_caller+0x74/0x2c0 [ 74.748636][ C1] ? text_poke+0x20/0x20 [ 74.752899][ C1] ? text_poke_loc_init+0x388/0x560 [ 74.758210][ C1] ? text_poke_sync+0x30/0x30 [ 74.762923][ C1] on_each_cpu_cond_mask+0x43/0x80 [ 74.768085][ C1] text_poke_bp_batch+0x1d4/0x600 [ 74.773157][ C1] ? text_poke_loc_init+0x560/0x560 [ 74.778399][ C1] ? __kasan_check_write+0x14/0x20 [ 74.783669][ C1] ? mutex_lock+0x9b/0x1c0 [ 74.788137][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 74.794849][ C1] ? text_poke_queue+0xde/0x1a0 [ 74.799754][ C1] text_poke_finish+0x1a/0x30 [ 74.804467][ C1] arch_jump_label_transform_apply+0x15/0x30 [ 74.810501][ C1] __jump_label_update+0x38f/0x3b0 [ 74.815672][ C1] jump_label_update+0x39b/0x450 [ 74.820831][ C1] static_key_disable_cpuslocked+0xc5/0x1a0 [ 74.826780][ C1] static_key_disable+0x1a/0x30 [ 74.831774][ C1] toggle_allocation_gate+0x3af/0x440 [ 74.837182][ C1] ? kfence_debugfs_init+0x70/0x70 [ 74.842322][ C1] ? _raw_spin_unlock+0x4d/0x70 [ 74.847197][ C1] ? finish_task_switch+0x16b/0x790 [ 74.852539][ C1] ? switch_mm_irqs_off+0x730/0x960 [ 74.857785][ C1] ? __schedule+0xbd7/0x14a0 [ 74.862448][ C1] process_one_work+0x6c8/0xbb0 [ 74.867340][ C1] worker_thread+0xaa0/0x1250 [ 74.872221][ C1] kthread+0x3f5/0x4f0 [ 74.876404][ C1] ? worker_clr_flags+0x190/0x190 [ 74.881543][ C1] ? kthread_blkcg+0xd0/0xd0 [ 74.886247][ C1] ret_from_fork+0x1f/0x30 [ 74.890704][ C1] [ 74.893740][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 74.900627][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 74.910719][ T90] Call Trace: [ 74.914020][ T90] [ 74.916972][ T90] __dump_stack+0x21/0x30 [ 74.921325][ T90] dump_stack_lvl+0x110/0x170 [ 74.926019][ T90] ? show_regs_print_info+0x20/0x20 [ 74.931240][ T90] ? prandom_u32+0x24d/0x290 [ 74.935860][ T90] dump_stack+0x15/0x20 [ 74.940037][ T90] should_fail+0x3ab/0x500 [ 74.944471][ T90] __should_failslab+0xa4/0xe0 [ 74.949260][ T90] should_failslab+0x9/0x20 [ 74.953788][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 74.958751][ T90] ? __alloc_file+0x28/0x2a0 [ 74.963366][ T90] kmem_cache_alloc+0x44/0x260 [ 74.968152][ T90] __alloc_file+0x28/0x2a0 [ 74.972759][ T90] alloc_empty_file+0x97/0x180 [ 74.977560][ T90] alloc_file+0x59/0x580 [ 74.981942][ T90] alloc_file_pseudo+0x180/0x200 [ 74.986901][ T90] ? alloc_empty_file_noaccount+0x80/0x80 [ 74.992645][ T90] sock_alloc_file+0xba/0x260 [ 74.997377][ T90] __sys_socket+0x12b/0x190 [ 75.001910][ T90] __x64_sys_socket+0x7a/0x90 [ 75.006631][ T90] x64_sys_call+0x8c5/0x9a0 [ 75.011308][ T90] do_syscall_64+0x4c/0xa0 [ 75.015859][ T90] ? clear_bhb_loop+0x50/0xa0 [ 75.020954][ T90] ? clear_bhb_loop+0x50/0xa0 [ 75.025681][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.031599][ T90] RIP: 0033:0x7f3faaeda707 [ 75.036353][ T90] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 75.055988][ T90] RSP: 002b:00007ffd2389c588 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 75.064437][ T90] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3faaeda707 [ 75.072513][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 75.080510][ T90] RBP: 00007f3faaf66560 R08: 0000000000000073 R09: 0000000000000001 [ 75.088534][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 75.096520][ T90] R13: 00007ffd2389c6b0 R14: 000000000000001d R15: 00007ffd2389c6b0 [ 75.104516][ T90] [ 75.107562][ T367] CPU: 1 PID: 367 Comm: syz-executor Not tainted syzkaller #0 [ 75.115052][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 75.125307][ T367] Call Trace: [ 75.128645][ T367] [ 75.131600][ T367] __dump_stack+0x21/0x30 [ 75.135947][ T367] dump_stack_lvl+0x110/0x170 [ 75.140640][ T367] ? show_regs_print_info+0x20/0x20 [ 75.145858][ T367] ? prandom_u32+0x24d/0x290 [ 75.150493][ T367] dump_stack+0x15/0x20 [ 75.154754][ T367] should_fail+0x3ab/0x500 [ 75.159189][ T367] ? __ipv6_ifa_notify+0x200/0xe70 [ 75.164340][ T367] __should_failslab+0xa4/0xe0 [ 75.169130][ T367] should_failslab+0x9/0x20 [ 75.173662][ T367] slab_pre_alloc_hook+0x39/0xd0 [ 75.178714][ T367] ? __ipv6_ifa_notify+0x200/0xe70 [ 75.184043][ T367] ? __ipv6_ifa_notify+0x200/0xe70 [ 75.189204][ T367] __kmalloc_track_caller+0x6c/0x2c0 [ 75.194518][ T367] ? __ipv6_ifa_notify+0x200/0xe70 [ 75.199823][ T367] ? __ipv6_ifa_notify+0x200/0xe70 [ 75.204968][ T367] __alloc_skb+0x210/0x730 [ 75.209421][ T367] __ipv6_ifa_notify+0x200/0xe70 [ 75.214387][ T367] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0 [ 75.220133][ T367] ? kvfree_call_rcu+0x5d3/0x860 [ 75.225091][ T367] ? memcpy+0x56/0x70 [ 75.229099][ T367] ? call_rcu+0xf60/0xf60 [ 75.233449][ T367] ? __kasan_check_write+0x14/0x20 [ 75.238580][ T367] ? try_to_grab_pending+0x1a4/0x580 [ 75.243896][ T367] ? mod_delayed_work_on+0xe0/0xe0 [ 75.249032][ T367] ? __kasan_check_write+0x14/0x20 [ 75.249696][ T101] FAULT_INJECTION: forcing a failure. [ 75.249696][ T101] name failslab, interval 1, probability 10, space 0, times 7 [ 75.254205][ T367] ? _raw_spin_lock_bh+0x94/0xf0 [ 75.272005][ T367] ? _raw_spin_lock_irq+0xf0/0xf0 [ 75.277087][ T367] ? __kasan_check_write+0x14/0x20 [ 75.282400][ T367] addrconf_ifdown+0xdb1/0x1910 [ 75.287280][ T367] ? addrconf_cleanup+0x1c0/0x1c0 [ 75.292322][ T367] ? __kasan_check_write+0x14/0x20 [ 75.297452][ T367] ? mutex_unlock+0x8f/0x230 [ 75.302084][ T367] ? __mutex_lock_slowpath+0x10/0x10 [ 75.307489][ T367] ? nf_nat_masq_schedule+0x4d0/0x4d0 [ 75.312887][ T367] ? masq_device_event+0xd0/0xd0 [ 75.317843][ T367] addrconf_notify+0x3bd/0xe00 [ 75.322721][ T367] raw_notifier_call_chain+0x90/0x100 [ 75.328111][ T367] dev_close_many+0x325/0x4d0 [ 75.332807][ T367] ? __dev_open+0x500/0x500 [ 75.337365][ T367] ? _raw_spin_lock+0x94/0xf0 [ 75.342154][ T367] ? __kasan_check_read+0x11/0x20 [ 75.347296][ T367] unregister_netdevice_many+0x477/0x1a00 [ 75.353129][ T367] ? __queue_work+0x903/0xc60 [ 75.357917][ T367] ? alloc_netdev_mqs+0xe20/0xe20 [ 75.363219][ T367] ? __queue_delayed_work+0x188/0x200 [ 75.368613][ T367] ? __kasan_check_read+0x11/0x20 [ 75.373752][ T367] unregister_netdevice_queue+0x2e1/0x320 [ 75.379625][ T367] ? __kasan_check_read+0x11/0x20 [ 75.384686][ T367] ? linkwatch_urgent_event+0x34d/0x460 [ 75.390350][ T367] ? list_netdevice+0x4c0/0x4c0 [ 75.395334][ T367] __tun_detach+0xc9d/0x1450 [ 75.399961][ T367] tun_chr_close+0x92/0x140 [ 75.404501][ T367] ? tun_chr_open+0x540/0x540 [ 75.409460][ T367] __fput+0x22b/0x900 [ 75.413467][ T367] ____fput+0x15/0x20 [ 75.417468][ T367] task_work_run+0x127/0x190 [ 75.422086][ T367] do_exit+0xb70/0x29a0 [ 75.426274][ T367] ? put_task_struct+0x90/0x90 [ 75.431085][ T367] ? __fdget_pos+0x1f7/0x380 [ 75.435714][ T367] ? ksys_write+0x1eb/0x260 [ 75.440246][ T367] ? __ia32_sys_read+0x90/0x90 [ 75.445131][ T367] do_group_exit+0x149/0x310 [ 75.449753][ T367] __x64_sys_exit_group+0x3f/0x40 [ 75.454932][ T367] x64_sys_call+0x832/0x9a0 [ 75.459477][ T367] do_syscall_64+0x4c/0xa0 [ 75.463939][ T367] ? clear_bhb_loop+0x50/0xa0 [ 75.468643][ T367] ? clear_bhb_loop+0x50/0xa0 [ 75.473430][ T367] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.479344][ T367] RIP: 0033:0x7f7807a02e99 [ 75.483790][ T367] Code: Unable to access opcode bytes at RIP 0x7f7807a02e6f. [ 75.491182][ T367] RSP: 002b:00007ffde7329068 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 75.499641][ T367] RAX: ffffffffffffffda RBX: 00007f7807a9832f RCX: 00007f7807a02e99 [ 75.507645][ T367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 75.515764][ T367] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f7807a9830a [ 75.523792][ T367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffde732a2c0 [ 75.531975][ T367] R13: 00007f7807a9830a R14: 000000000000b9fa R15: 00007ffde732a300 [ 75.539986][ T367] [ 75.543142][ T101] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 75.547704][ T90] FAULT_INJECTION: forcing a failure. [ 75.547704][ T90] name failslab, interval 1, probability 10, space 0, times 5 [ 75.550046][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 75.550062][ T101] Call Trace: [ 75.550069][ T101] [ 75.550077][ T101] __dump_stack+0x21/0x30 [ 75.583473][ T101] dump_stack_lvl+0x110/0x170 [ 75.588190][ T101] ? show_regs_print_info+0x20/0x20 [ 75.593424][ T101] dump_stack+0x15/0x20 [ 75.597895][ T101] should_fail+0x3ab/0x500 [ 75.602342][ T101] __should_failslab+0xa4/0xe0 [ 75.607227][ T101] should_failslab+0x9/0x20 [ 75.611769][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 75.616750][ T101] ? vm_area_alloc+0x24/0x130 [ 75.621457][ T101] kmem_cache_alloc+0x44/0x260 [ 75.626260][ T101] vm_area_alloc+0x24/0x130 [ 75.631054][ T101] mmap_region+0x87d/0x1700 [ 75.635591][ T101] ? selinux_mmap_addr+0xbe/0xe0 [ 75.638868][ C1] FAULT_INJECTION: forcing a failure. [ 75.638868][ C1] name failslab, interval 1, probability 10, space 0, times 5 [ 75.640559][ T101] ? security_mmap_addr+0x72/0x90 [ 75.658298][ T101] do_mmap+0x812/0xf10 [ 75.662407][ T101] vm_mmap_pgoff+0x1d6/0x410 [ 75.667023][ T101] ? account_locked_vm+0x270/0x270 [ 75.672166][ T101] ksys_mmap_pgoff+0x161/0x1d0 [ 75.676956][ T101] __x64_sys_mmap+0xfa/0x110 [ 75.681658][ T101] x64_sys_call+0x83/0x9a0 [ 75.686103][ T101] do_syscall_64+0x4c/0xa0 [ 75.690546][ T101] ? clear_bhb_loop+0x50/0xa0 [ 75.695250][ T101] ? clear_bhb_loop+0x50/0xa0 [ 75.699950][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.705869][ T101] RIP: 0033:0x7f1f3d169822 [ 75.710350][ T101] Code: 00 00 00 0f 1f 44 00 00 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 3b 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 76 5b 5d c3 0f 1f 00 48 8b 05 a1 35 0d 00 64 [ 75.730308][ T101] RSP: 002b:00007ffc086dc5e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 75.738749][ T101] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f3d169822 [ 75.746755][ T101] RDX: 0000000000000001 RSI: 00000000009480e8 RDI: 0000000000000000 [ 75.754753][ T101] RBP: 0000000000000001 R08: 0000000000000006 R09: 0000000000000000 [ 75.762748][ T101] R10: 0000000000000001 R11: 0000000000000246 R12: 0000559f9130f7f5 [ 75.770837][ T101] R13: 0000559f9132a100 R14: 0000000000000001 R15: 0000000000000000 [ 75.779105][ T101] [ 75.782166][ C1] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 75.789053][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 75.799149][ C1] Call Trace: [ 75.802451][ C1] [ 75.805314][ C1] __dump_stack+0x21/0x30 [ 75.809667][ C1] dump_stack_lvl+0x110/0x170 [ 75.814455][ C1] ? show_regs_print_info+0x20/0x20 [ 75.819679][ C1] dump_stack+0x15/0x20 [ 75.823889][ C1] should_fail+0x3ab/0x500 [ 75.828495][ C1] ? ndisc_send_rs+0x310/0x960 [ 75.833626][ C1] __should_failslab+0xa4/0xe0 [ 75.838578][ C1] should_failslab+0x9/0x20 [ 75.843124][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 75.848208][ C1] ? ndisc_send_rs+0x310/0x960 [ 75.853019][ C1] ? ndisc_send_rs+0x310/0x960 [ 75.857833][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 75.863168][ C1] ? ndisc_send_rs+0x310/0x960 [ 75.867961][ C1] ? ndisc_send_rs+0x310/0x960 [ 75.872774][ C1] __alloc_skb+0x210/0x730 [ 75.877248][ C1] ndisc_send_rs+0x310/0x960 [ 75.882040][ C1] addrconf_rs_timer+0x35a/0x600 [ 75.887089][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 75.893176][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 75.899263][ C1] call_timer_fn+0x38/0x290 [ 75.903837][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 75.909926][ C1] __run_timers+0x637/0x9a0 [ 75.914453][ C1] ? calc_index+0x200/0x200 [ 75.919190][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 75.924090][ C1] run_timer_softirq+0x6a/0xf0 [ 75.928934][ C1] handle_softirqs+0x250/0x560 [ 75.933900][ C1] __irq_exit_rcu+0x52/0xf0 [ 75.938443][ C1] irq_exit_rcu+0x9/0x10 [ 75.942714][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 75.948376][ C1] [ 75.951329][ C1] [ 75.954285][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 75.960389][ C1] RIP: 0010:__kasan_check_read+0x0/0x20 [ 75.966250][ C1] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 a1 c2 e7 85 eb 0a 48 c7 c7 fd 95 dc 85 48 89 de e8 37 8a 01 03 45 31 ff eb d1 00 00 <55> 48 89 e5 89 f6 48 8b 4d 08 31 d2 e8 af ed ff ff 5d c3 66 2e 0f [ 75.986071][ C1] RSP: 0018:ffffc900009c76a8 EFLAGS: 00000293 [ 75.992186][ C1] RAX: ffffffff8152422c RBX: ffffffff8564bda0 RCX: ffff88810d754f00 [ 76.000197][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff86711f80 [ 76.008324][ C1] RBP: ffffc900009c76b0 R08: 0000000000000003 R09: 0000000000000004 [ 76.016491][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 76.024495][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000138ed8 [ 76.032540][ C1] ? __printk_wait_on_cpu_lock+0x2c/0x40 [ 76.038314][ C1] ? __printk_wait_on_cpu_lock+0x1c/0x40 [ 76.043972][ C1] dump_stack_lvl+0xce/0x170 [ 76.048675][ C1] ? show_regs_print_info+0x20/0x20 [ 76.053931][ C1] ? prandom_u32+0x24d/0x290 [ 76.058636][ C1] dump_stack+0x15/0x20 [ 76.062896][ C1] should_fail+0x3ab/0x500 [ 76.067339][ C1] ? alloc_skb_with_frags+0xa8/0x620 [ 76.072825][ C1] __should_failslab+0xa4/0xe0 [ 76.077616][ C1] should_failslab+0x9/0x20 [ 76.082142][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 76.087111][ C1] ? alloc_skb_with_frags+0xa8/0x620 [ 76.092424][ C1] ? alloc_skb_with_frags+0xa8/0x620 [ 76.098183][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 76.103553][ C1] ? alloc_skb_with_frags+0xa8/0x620 [ 76.108877][ C1] ? alloc_skb_with_frags+0xa8/0x620 [ 76.114292][ C1] __alloc_skb+0x210/0x730 [ 76.118837][ C1] alloc_skb_with_frags+0xa8/0x620 [ 76.123988][ C1] ? memcpy+0x56/0x70 [ 76.128030][ C1] sock_alloc_send_pskb+0x87f/0x9a0 [ 76.133262][ C1] ? sock_kzfree_s+0x60/0x60 [ 76.137875][ C1] ? __kasan_check_write+0x14/0x20 [ 76.143002][ C1] ? _raw_spin_lock+0x94/0xf0 [ 76.147702][ C1] ? _raw_spin_trylock_bh+0x150/0x150 [ 76.154236][ C1] unix_dgram_sendmsg+0x6f3/0x19b0 [ 76.159396][ C1] ? selinux_socket_unix_may_send+0x1e6/0x2c0 [ 76.165605][ C1] ? selinux_socket_unix_stream_connect+0x430/0x430 [ 76.172226][ C1] ? unix_dgram_poll+0x6c0/0x6c0 [ 76.177200][ C1] ? path_put+0x57/0x60 [ 76.181376][ C1] ? security_socket_sendmsg+0x82/0xa0 [ 76.187131][ C1] __sys_sendto+0x46d/0x620 [ 76.191823][ C1] ? __ia32_sys_getpeername+0x90/0x90 [ 76.197217][ C1] __x64_sys_sendto+0xe5/0x100 [ 76.201993][ C1] x64_sys_call+0x178/0x9a0 [ 76.206515][ C1] do_syscall_64+0x4c/0xa0 [ 76.210947][ C1] ? clear_bhb_loop+0x50/0xa0 [ 76.215742][ C1] ? clear_bhb_loop+0x50/0xa0 [ 76.220433][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.226352][ C1] RIP: 0033:0x7f3faae5f407 [ 76.230795][ C1] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 76.250415][ C1] RSP: 002b:00007ffd2389c570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 76.258931][ C1] RAX: ffffffffffffffda RBX: 00007f3faad0fc80 RCX: 00007f3faae5f407 [ 76.267119][ C1] RDX: 0000000000000049 RSI: 00007ffd2389c6b0 RDI: 0000000000000003 [ 76.268873][ C0] FAULT_INJECTION: forcing a failure. [ 76.268873][ C0] name failslab, interval 1, probability 10, space 0, times 4 [ 76.275101][ C1] RBP: 00007ffd2389cae0 R08: 0000000000000000 R09: 0000000000000000 [ 76.296322][ C1] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd2389caf8 [ 76.304395][ C1] R13: 00007ffd2389c6b0 R14: 000000000000002e R15: 00007ffd2389c6b0 [ 76.312477][ C1] [ 76.315525][ C0] CPU: 0 PID: 43 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 76.316423][ T140] FAULT_INJECTION: forcing a failure. [ 76.316423][ T140] name failslab, interval 1, probability 10, space 0, times 3 [ 76.322919][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 76.322935][ C0] Workqueue: events_unbound toggle_allocation_gate [ 76.322966][ C0] Call Trace: [ 76.335831][ T322] FAULT_INJECTION: forcing a failure. [ 76.335831][ T322] name failslab, interval 1, probability 10, space 0, times 3 [ 76.345981][ C0] [ 76.345995][ C0] __dump_stack+0x21/0x30 [ 76.346023][ C0] dump_stack_lvl+0x110/0x170 [ 76.380417][ C0] ? show_regs_print_info+0x20/0x20 [ 76.385656][ C0] ? prandom_u32+0x24d/0x290 [ 76.390269][ C0] dump_stack+0x15/0x20 [ 76.394440][ C0] should_fail+0x3ab/0x500 [ 76.398872][ C0] __should_failslab+0xa4/0xe0 [ 76.403666][ C0] should_failslab+0x9/0x20 [ 76.408277][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 76.413238][ C0] ? dst_alloc+0x15c/0x1d0 [ 76.417671][ C0] kmem_cache_alloc+0x44/0x260 [ 76.422471][ C0] ? ipv6_sysctl_rtcache_flush+0x100/0x100 [ 76.428389][ C0] dst_alloc+0x15c/0x1d0 [ 76.432648][ C0] icmp6_dst_alloc+0xec/0x520 [ 76.437346][ C0] ? security_sk_classify_flow+0x7b/0x90 [ 76.443005][ C0] ? icmpv6_flow_init+0xd2/0x130 [ 76.447959][ C0] ndisc_send_skb+0x2a9/0xcf0 [ 76.452657][ C0] ? ret_from_fork+0x1f/0x30 [ 76.457307][ C0] ? ndisc_alloc_skb+0x290/0x290 [ 76.462412][ C0] ? ndisc_send_rs+0x61f/0x960 [ 76.467324][ C0] ? memcpy+0x56/0x70 [ 76.471352][ C0] ndisc_send_rs+0x711/0x960 [ 76.475994][ C0] addrconf_rs_timer+0x35a/0x600 [ 76.481109][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 76.487219][ C0] ? _raw_spin_lock_irqsave+0x130/0x130 [ 76.492806][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 76.499185][ C0] call_timer_fn+0x38/0x290 [ 76.503739][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 76.509925][ C0] __run_timers+0x637/0x9a0 [ 76.514455][ C0] ? calc_index+0x200/0x200 [ 76.518993][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 76.523863][ C0] run_timer_softirq+0x6a/0xf0 [ 76.528649][ C0] handle_softirqs+0x250/0x560 [ 76.533530][ C0] ? irqtime_account_irq+0xbe/0x390 [ 76.538841][ C0] __irq_exit_rcu+0x52/0xf0 [ 76.543372][ C0] irq_exit_rcu+0x9/0x10 [ 76.547639][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 76.553337][ C0] [ 76.556292][ C0] [ 76.559240][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 76.565325][ C0] RIP: 0010:smp_call_function_many_cond+0x8ad/0x9e0 [ 76.571941][ C0] Code: 0f b6 44 05 00 84 c0 0f 85 9b 00 00 00 41 8b 1f 89 de 83 e6 01 31 ff e8 31 48 0a 00 83 e3 01 75 07 e8 77 44 0a 00 eb 42 f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 75 10 41 f7 [ 76.591701][ C0] RSP: 0018:ffffc900002cf860 EFLAGS: 00000293 [ 76.597789][ C0] RAX: ffffffff815f728f RBX: 0000000000000001 RCX: ffff8881047c3b40 [ 76.605778][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 76.613767][ C0] RBP: ffffc900002cf978 R08: ffff8881f7038e97 R09: 1ffff1103ee071d2 [ 76.621766][ C0] R10: dffffc0000000000 R11: ffffed103ee071d3 R12: ffff8881f7038e80 [ 76.629769][ C0] R13: 1ffff1103ee2784d R14: 0000000000000001 R15: ffff8881f713c268 [ 76.637777][ C0] ? smp_call_function_many_cond+0x8cf/0x9e0 [ 76.643807][ C0] ? text_poke_sync+0x30/0x30 [ 76.648513][ C0] ? smp_call_function_many+0x40/0x40 [ 76.654004][ C0] ? __kmalloc_track_caller+0x75/0x2c0 [ 76.659660][ C0] ? text_poke+0x20/0x20 [ 76.663926][ C0] ? preempt_schedule_thunk+0x16/0x18 [ 76.669321][ C0] ? text_poke_sync+0x30/0x30 [ 76.674104][ C0] on_each_cpu_cond_mask+0x43/0x80 [ 76.679253][ C0] text_poke_bp_batch+0x420/0x600 [ 76.684325][ C0] ? text_poke_loc_init+0x560/0x560 [ 76.689850][ C0] ? __kasan_check_write+0x14/0x20 [ 76.695004][ C0] ? mutex_lock+0x9b/0x1c0 [ 76.699446][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 76.706336][ C0] ? text_poke_queue+0xde/0x1a0 [ 76.711239][ C0] text_poke_finish+0x1a/0x30 [ 76.715949][ C0] arch_jump_label_transform_apply+0x15/0x30 [ 76.721959][ C0] __jump_label_update+0x38f/0x3b0 [ 76.727331][ C0] jump_label_update+0x39b/0x450 [ 76.732416][ C0] static_key_disable_cpuslocked+0xc5/0x1a0 [ 76.738442][ C0] static_key_disable+0x1a/0x30 [ 76.743378][ C0] toggle_allocation_gate+0x3af/0x440 [ 76.748811][ C0] ? kfence_debugfs_init+0x70/0x70 [ 76.754659][ C0] ? _raw_spin_unlock+0x4d/0x70 [ 76.759565][ C0] ? finish_task_switch+0x16b/0x790 [ 76.764844][ C0] ? switch_mm_irqs_off+0x730/0x960 [ 76.770130][ C0] ? __schedule+0xbd7/0x14a0 [ 76.774758][ C0] process_one_work+0x6c8/0xbb0 [ 76.779643][ C0] worker_thread+0xaa0/0x1250 [ 76.784356][ C0] kthread+0x3f5/0x4f0 [ 76.788456][ C0] ? worker_clr_flags+0x190/0x190 [ 76.793517][ C0] ? kthread_blkcg+0xd0/0xd0 [ 76.798171][ C0] ret_from_fork+0x1f/0x30 [ 76.802624][ C0] [ 76.805683][ T322] CPU: 1 PID: 322 Comm: kworker/1:2 Not tainted syzkaller #0 [ 76.813117][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 76.823297][ T322] Workqueue: mld mld_ifc_work [ 76.828012][ T322] Call Trace: [ 76.831319][ T322] [ 76.834455][ T322] __dump_stack+0x21/0x30 [ 76.838902][ T322] dump_stack_lvl+0x110/0x170 [ 76.843613][ T322] ? show_regs_print_info+0x20/0x20 [ 76.848925][ T322] dump_stack+0x15/0x20 [ 76.853113][ T322] should_fail+0x3ab/0x500 [ 76.857738][ T322] __should_failslab+0xa4/0xe0 [ 76.862797][ T322] should_failslab+0x9/0x20 [ 76.867588][ T322] slab_pre_alloc_hook+0x39/0xd0 [ 76.872854][ T322] ? __alloc_skb+0xe4/0x730 [ 76.877527][ T322] kmem_cache_alloc+0x44/0x260 [ 76.882679][ T322] __alloc_skb+0xe4/0x730 [ 76.887045][ T322] mld_newpack+0x143/0x9e0 [ 76.891519][ T322] ? mld_sendpack+0xba0/0xba0 [ 76.896244][ T322] ? __switch_to+0x56c/0x1070 [ 76.900957][ T322] add_grec+0xee8/0x1340 [ 76.905236][ T322] ? wait_for_completion_killable_timeout+0x10/0x10 [ 76.911847][ T322] ? _raw_spin_unlock+0x4d/0x70 [ 76.916725][ T322] ? switch_mm_irqs_off+0x730/0x960 [ 76.921941][ T322] mld_ifc_work+0x1ec/0xc40 [ 76.926465][ T322] process_one_work+0x6c8/0xbb0 [ 76.931339][ T322] worker_thread+0xaa0/0x1250 [ 76.936127][ T322] ? __kasan_check_read+0x11/0x20 [ 76.941298][ T322] kthread+0x3f5/0x4f0 [ 76.945910][ T322] ? worker_clr_flags+0x190/0x190 [ 76.950954][ T322] ? kthread_blkcg+0xd0/0xd0 [ 76.955562][ T322] ret_from_fork+0x1f/0x30 [ 76.960000][ T322] [ 76.960833][ T101] FAULT_INJECTION: forcing a failure. [ 76.960833][ T101] name failslab, interval 1, probability 10, space 0, times 1 [ 76.963466][ T140] CPU: 1 PID: 140 Comm: dhcpcd Not tainted syzkaller #0 [ 76.982849][ T140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 76.993230][ T140] Call Trace: [ 76.996721][ T140] [ 76.999704][ T140] __dump_stack+0x21/0x30 [ 77.004110][ T140] dump_stack_lvl+0x110/0x170 [ 77.009052][ T140] ? show_regs_print_info+0x20/0x20 [ 77.014278][ T140] ? prandom_u32+0x24d/0x290 [ 77.018917][ T140] dump_stack+0x15/0x20 [ 77.023094][ T140] should_fail+0x3ab/0x500 [ 77.027533][ T140] ? alloc_skb_with_frags+0xa8/0x620 [ 77.032925][ T140] __should_failslab+0xa4/0xe0 [ 77.037729][ T140] should_failslab+0x9/0x20 [ 77.042428][ T140] slab_pre_alloc_hook+0x39/0xd0 [ 77.047482][ T140] ? alloc_skb_with_frags+0xa8/0x620 [ 77.052885][ T140] ? alloc_skb_with_frags+0xa8/0x620 [ 77.058209][ T140] __kmalloc_track_caller+0x6c/0x2c0 [ 77.063529][ T140] ? alloc_skb_with_frags+0xa8/0x620 [ 77.068988][ T140] ? alloc_skb_with_frags+0xa8/0x620 [ 77.074515][ T140] __alloc_skb+0x210/0x730 [ 77.079113][ T140] alloc_skb_with_frags+0xa8/0x620 [ 77.084781][ T140] ? avc_has_perm_noaudit+0x390/0x490 [ 77.090221][ T140] sock_alloc_send_pskb+0x87f/0x9a0 [ 77.095542][ T140] ? kasan_set_track+0x5b/0x70 [ 77.100475][ T140] ? avc_denied+0x1b0/0x1b0 [ 77.105036][ T140] ? sock_kzfree_s+0x60/0x60 [ 77.109663][ T140] ? __kasan_check_write+0x14/0x20 [ 77.114798][ T140] ? _raw_spin_lock+0x94/0xf0 [ 77.119501][ T140] ? _raw_spin_trylock_bh+0x150/0x150 [ 77.124901][ T140] ? avc_has_perm+0x163/0x250 [ 77.129605][ T140] unix_dgram_sendmsg+0x6f3/0x19b0 [ 77.134746][ T140] ? selinux_socket_sendmsg+0x22f/0x340 [ 77.140403][ T140] ? selinux_socket_accept+0x570/0x570 [ 77.145884][ T140] ? unix_dgram_poll+0x6c0/0x6c0 [ 77.150843][ T140] ? __kasan_slab_free+0x11/0x20 [ 77.155808][ T140] ? kfree_skbmem+0x10c/0x180 [ 77.160506][ T140] unix_seqpacket_sendmsg+0x118/0x1e0 [ 77.165934][ T140] sock_write_iter+0x2a6/0x3a0 [ 77.170725][ T140] ? sock_read_iter+0x380/0x380 [ 77.175633][ T140] ? file_has_perm+0x52d/0x700 [ 77.180418][ T140] do_iter_readv_writev+0x477/0x5f0 [ 77.185641][ T140] ? generic_file_rw_checks+0x2a0/0x2a0 [ 77.191219][ T140] ? fsnotify_perm+0x67/0x5b0 [ 77.195922][ T140] ? security_file_permission+0x79/0xa0 [ 77.201574][ T140] ? security_file_permission+0x83/0xa0 [ 77.207287][ T140] do_iter_write+0x207/0x7b0 [ 77.211930][ T140] vfs_writev+0x2df/0x570 [ 77.216298][ T140] ? do_writev+0x2c0/0x2c0 [ 77.220918][ T140] ? vfs_read+0x9b8/0xc20 [ 77.225294][ T140] ? __kasan_check_read+0x11/0x20 [ 77.230343][ T140] ? __fdget_pos+0x1f7/0x380 [ 77.234987][ T140] do_writev+0x14e/0x2c0 [ 77.239248][ T140] ? do_readv+0x450/0x450 [ 77.243602][ T140] ? debug_smp_processor_id+0x17/0x20 [ 77.249081][ T140] __x64_sys_writev+0x7d/0x90 [ 77.253870][ T140] x64_sys_call+0x974/0x9a0 [ 77.258411][ T140] do_syscall_64+0x4c/0xa0 [ 77.262844][ T140] ? clear_bhb_loop+0x50/0xa0 [ 77.267745][ T140] ? clear_bhb_loop+0x50/0xa0 [ 77.272523][ T140] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 77.278621][ T140] RIP: 0033:0x7f9e91521407 [ 77.283056][ T140] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 77.303260][ T140] RSP: 002b:00007fff63efb430 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 77.311710][ T140] RAX: ffffffffffffffda RBX: 00007f9e91497740 RCX: 00007f9e91521407 [ 77.319795][ T140] RDX: 0000000000000005 RSI: 00007fff63efb490 RDI: 0000000000000012 [ 77.327876][ T140] RBP: 000056225e3be2c0 R08: 0000000000000000 R09: 0000000000000000 [ 77.335972][ T140] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff63f1b8b0 [ 77.344217][ T140] R13: 0000000000000004 R14: 0000000000000148 R15: 00007fff63f0b680 [ 77.352315][ T140] [ 77.355533][ T323] CPU: 0 PID: 323 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 77.363222][ T323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 77.373512][ T323] Workqueue: writeback wb_workfn (flush-8:0) [ 77.379546][ T323] Call Trace: [ 77.382856][ T323] [ 77.385907][ T323] __dump_stack+0x21/0x30 [ 77.390279][ T323] dump_stack_lvl+0x110/0x170 [ 77.394982][ T323] ? show_regs_print_info+0x20/0x20 [ 77.400201][ T323] ? prandom_u32+0x24d/0x290 [ 77.404908][ T323] dump_stack+0x15/0x20 [ 77.409081][ T323] should_fail+0x3ab/0x500 [ 77.413514][ T323] __should_failslab+0xa4/0xe0 [ 77.418419][ T323] should_failslab+0x9/0x20 [ 77.422947][ T323] slab_pre_alloc_hook+0x39/0xd0 [ 77.427905][ T323] ? mempool_alloc_slab+0x1d/0x30 [ 77.432968][ T323] kmem_cache_alloc+0x44/0x260 [ 77.437770][ T323] ? mempool_free+0x330/0x330 [ 77.442489][ T323] mempool_alloc_slab+0x1d/0x30 [ 77.447373][ T323] mempool_alloc+0x167/0x4c0 [ 77.452066][ T323] ? cgroup_rstat_updated+0xf0/0x360 [ 77.457378][ T323] ? __this_cpu_preempt_check+0x13/0x20 [ 77.462943][ T323] ? __mod_memcg_lruvec_state+0x164/0x1b0 [ 77.468685][ T323] ? mempool_resize+0x880/0x880 [ 77.473563][ T323] ? __test_set_page_writeback+0x670/0x910 [ 77.479391][ T323] bio_alloc_bioset+0x124/0x910 [ 77.484417][ T323] ? __kasan_check_read+0x11/0x20 [ 77.489619][ T323] submit_bh_wbc+0x1c2/0x680 [ 77.494270][ T323] ? page_mkclean+0x209/0x2b0 [ 77.499093][ T323] __block_write_full_page+0x877/0xef0 [ 77.504744][ T323] ? blkdev_fallocate+0x4f0/0x4f0 [ 77.509913][ T323] ? mark_buffer_write_io_error+0x270/0x270 [ 77.516208][ T323] block_write_full_page+0x12f/0x140 [ 77.521526][ T323] ? blkdev_fallocate+0x4f0/0x4f0 [ 77.526591][ T323] blkdev_writepage+0x24/0x30 [ 77.531316][ T323] __writepage+0x66/0x130 [ 77.535869][ T323] write_cache_pages+0x7ce/0xd30 [ 77.540932][ T323] ? generic_writepages+0x170/0x170 [ 77.546167][ T323] ? tag_pages_for_writeback+0x3d0/0x3d0 [ 77.551836][ T323] ? blk_start_plug+0x50/0x170 [ 77.556716][ T323] generic_writepages+0x104/0x170 [ 77.561914][ T323] ? clear_page_dirty_for_io+0x5a0/0x5a0 [ 77.567583][ T323] ? __kasan_check_write+0x14/0x20 [ 77.572827][ T323] ? __local_bh_enable_ip+0x58/0x80 [ 77.578056][ T323] blkdev_writepages+0x1d/0x30 [ 77.582844][ T323] ? blkdev_readpage+0x20/0x20 [ 77.587907][ T323] do_writepages+0x476/0x6d0 [ 77.592520][ T323] ? dev_queue_xmit+0x20/0x20 [ 77.597220][ T323] ? __writepage+0x130/0x130 [ 77.601836][ T323] ? __kasan_check_write+0x14/0x20 [ 77.606968][ T323] ? __kasan_check_write+0x14/0x20 [ 77.612106][ T323] ? _raw_spin_lock+0x94/0xf0 [ 77.616826][ T323] __writeback_single_inode+0xd9/0x9e0 [ 77.622316][ T323] ? wbc_attach_and_unlock_inode+0x194/0x5f0 [ 77.628317][ T323] writeback_sb_inodes+0x9f3/0x1610 [ 77.633537][ T323] ? queue_io+0x4b0/0x4b0 [ 77.638082][ T323] ? down_read_trylock+0x317/0x630 [ 77.643379][ T323] ? __this_cpu_preempt_check+0x13/0x20 [ 77.649060][ T323] __writeback_inodes_wb+0x127/0x400 [ 77.654648][ T323] wb_writeback+0x3ff/0x990 [ 77.659370][ T323] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 77.665680][ T323] ? set_worker_desc+0x1ba/0x1f0 [ 77.670655][ T323] ? __kasan_check_write+0x14/0x20 [ 77.675800][ T323] ? cpumask_next+0x7c/0xa0 [ 77.680341][ T323] wb_workfn+0xa49/0xf30 [ 77.684614][ T323] ? inode_wait_for_writeback+0x220/0x220 [ 77.690356][ T323] ? compat_start_thread+0x20/0x20 [ 77.695496][ T323] ? finish_task_switch+0x16b/0x790 [ 77.700711][ T323] ? switch_mm_irqs_off+0x730/0x960 [ 77.705930][ T323] ? __schedule+0xbd7/0x14a0 [ 77.710539][ T323] process_one_work+0x6c8/0xbb0 [ 77.715412][ T323] worker_thread+0xaa0/0x1250 [ 77.720118][ T323] kthread+0x3f5/0x4f0 [ 77.724226][ T323] ? worker_clr_flags+0x190/0x190 [ 77.729292][ T323] ? kthread_blkcg+0xd0/0xd0 [ 77.733913][ T323] ret_from_fork+0x1f/0x30 [ 77.738358][ T323] [ 77.741395][ T101] CPU: 1 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 77.748276][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 77.758475][ T101] Call Trace: [ 77.761773][ T101] [ 77.764720][ T101] __dump_stack+0x21/0x30 [ 77.769089][ T101] dump_stack_lvl+0x110/0x170 [ 77.773872][ T101] ? show_regs_print_info+0x20/0x20 [ 77.779090][ T101] dump_stack+0x15/0x20 [ 77.783264][ T101] should_fail+0x3ab/0x500 [ 77.787726][ T101] __should_failslab+0xa4/0xe0 [ 77.792695][ T101] should_failslab+0x9/0x20 [ 77.797221][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 77.802288][ T101] ? getname_flags+0xba/0x510 [ 77.806989][ T101] kmem_cache_alloc+0x44/0x260 [ 77.811775][ T101] getname_flags+0xba/0x510 [ 77.816308][ T101] user_path_at_empty+0x2f/0x1c0 [ 77.821261][ T101] vfs_statx+0x109/0xa20 [ 77.825534][ T101] ? from_kgid_munged+0x193/0x6e0 [ 77.830587][ T101] ? vfs_fstatat+0x40/0x40 [ 77.835022][ T101] __se_sys_newfstatat+0x10e/0x3d0 [ 77.840248][ T101] ? __x64_sys_newfstatat+0xb0/0xb0 [ 77.845502][ T101] ? blkcg_maybe_throttle_current+0x1e0/0xa00 [ 77.851610][ T101] ? __fput+0x67c/0x900 [ 77.855801][ T101] ? ____fput+0x15/0x20 [ 77.860265][ T101] __x64_sys_newfstatat+0x9b/0xb0 [ 77.865449][ T101] x64_sys_call+0x2c1/0x9a0 [ 77.870015][ T101] do_syscall_64+0x4c/0xa0 [ 77.874449][ T101] ? clear_bhb_loop+0x50/0xa0 [ 77.879145][ T101] ? clear_bhb_loop+0x50/0xa0 [ 77.883845][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 77.889889][ T101] RIP: 0033:0x7f1f3d15db0a [ 77.894418][ T101] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 77.914178][ T101] RSP: 002b:00007ffc086dc4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 77.922619][ T101] RAX: ffffffffffffffda RBX: 0000559f91321418 RCX: 00007f1f3d15db0a [ 77.930618][ T101] RDX: 00007ffc086dc500 RSI: 0000559f9130fef3 RDI: 00000000ffffff9c [ 77.938644][ T101] RBP: 0000559fb144f118 R08: 000657991fb0cc69 R09: 0000000000000020 [ 77.946643][ T101] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 77.954717][ T101] R13: 00007ffc086dc500 R14: 0000000000000001 R15: 000657991fb0cc69 [ 77.962798][ T101] [ 77.965838][ T299] CPU: 0 PID: 299 Comm: syz-executor Not tainted syzkaller #0 [ 77.973555][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 77.983636][ T299] Call Trace: [ 77.986936][ T299] [ 77.989882][ T299] __dump_stack+0x21/0x30 [ 77.994267][ T299] dump_stack_lvl+0x110/0x170 [ 77.998991][ T299] ? show_regs_print_info+0x20/0x20 [ 78.004222][ T299] dump_stack+0x15/0x20 [ 78.008660][ T299] warn_alloc+0x1dc/0x200 [ 78.013016][ T299] ? __should_failslab+0xa4/0xe0 [ 78.018070][ T299] ? zone_watermark_ok_safe+0x270/0x270 [ 78.023639][ T299] ? __get_vm_area_node+0x33e/0x350 [ 78.028936][ T299] __vmalloc_node_range+0x15e/0xad0 [ 78.034257][ T299] ? slab_post_alloc_hook+0x6d/0x2b0 [ 78.039564][ T299] ? should_failslab+0x9/0x20 [ 78.044260][ T299] ? kmem_cache_alloc+0xf7/0x260 [ 78.049212][ T299] dup_task_struct+0x41e/0xc50 [ 78.053994][ T299] ? copy_process+0x5e0/0x3280 [ 78.058787][ T299] copy_process+0x5e0/0x3280 [ 78.063402][ T299] ? __kasan_check_read+0x11/0x20 [ 78.068448][ T299] ? khugepaged_enter_vma_merge+0x1ec/0x3e0 [ 78.074365][ T299] ? vma_merge+0x3f5/0x8d0 [ 78.078888][ T299] ? check_stack_object+0x10f/0x150 [ 78.084112][ T299] ? __pidfd_prepare+0x150/0x150 [ 78.089072][ T299] ? copy_clone_args_from_user+0x5fb/0x6d0 [ 78.094905][ T299] kernel_clone+0x233/0x960 [ 78.099519][ T299] ? __delayed_free_task+0x20/0x20 [ 78.104651][ T299] ? create_io_thread+0x170/0x170 [ 78.109922][ T299] __x64_sys_clone3+0x2da/0x370 [ 78.114807][ T299] ? __kasan_check_write+0x14/0x20 [ 78.120036][ T299] ? __ia32_sys_clone+0x200/0x200 [ 78.125216][ T299] ? __se_sys_rt_sigprocmask+0x233/0x290 [ 78.131158][ T299] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 78.137272][ T299] x64_sys_call+0x53e/0x9a0 [ 78.141819][ T299] do_syscall_64+0x4c/0xa0 [ 78.146293][ T299] ? clear_bhb_loop+0x50/0xa0 [ 78.151083][ T299] ? clear_bhb_loop+0x50/0xa0 [ 78.155785][ T299] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 78.162024][ T299] RIP: 0033:0x7fbd92830c89 [ 78.166462][ T299] Code: 90 b8 01 00 00 00 b9 01 00 00 00 eb ec 0f 1f 40 00 b8 ea ff ff ff 48 85 ff 74 28 48 85 d2 74 23 49 89 c8 b8 b3 01 00 00 0f 05 <48> 85 c0 7c 14 74 01 c3 31 ed 4c 89 c7 ff d2 48 89 c7 b8 3c 00 00 [ 78.186265][ T299] RSP: 002b:00007ffd40e64578 EFLAGS: 00000206 ORIG_RAX: 00000000000001b3 [ 78.194801][ T299] RAX: ffffffffffffffda RBX: 0000000000009000 RCX: 00007fbd92830c89 [ 78.203018][ T299] RDX: 00007fbd9282d630 RSI: 0000000000000058 RDI: 00007ffd40e645c0 [ 78.211302][ T299] RBP: 00007fbd92a89000 R08: 00007ffd40e64620 R09: 0000000000000000 [ 78.219463][ T299] R10: 0000000000000008 R11: 0000000000000206 R12: 00007ffd40e64620 [ 78.223599][ T101] udevd[101]: worker [308] exited with return code 1 [ 78.227527][ T299] R13: 0000000000000000 R14: 00007ffd40e645c0 R15: 00007ffd40e64a90 [ 78.242325][ T299] [ 78.245370][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 78.248479][ T299] Mem-Info: [ 78.252160][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 78.252177][ T90] Call Trace: [ 78.252183][ T90] [ 78.252191][ T90] __dump_stack+0x21/0x30 [ 78.252216][ T90] dump_stack_lvl+0x110/0x170 [ 78.252234][ T90] ? show_regs_print_info+0x20/0x20 [ 78.255484][ T299] active_anon:35 inactive_anon:32912 isolated_anon:0 [ 78.255484][ T299] active_file:4515 inactive_file:15186 isolated_file:0 [ 78.255484][ T299] unevictable:0 dirty:13413 writeback:36 [ 78.255484][ T299] slab_reclaimable:8013 slab_unreclaimable:68186 [ 78.255484][ T299] mapped:10203 shmem:163 pagetables:343 bounce:0 [ 78.255484][ T299] kernel_misc_reclaimable:0 [ 78.255484][ T299] free:1564859 free_pcp:21009 free_cma:0 [ 78.265722][ T90] ? prandom_u32+0x24d/0x290 [ 78.265746][ T90] dump_stack+0x15/0x20 [ 78.265764][ T90] should_fail+0x3ab/0x500 [ 78.269193][ T299] Node 0 active_anon:140kB inactive_anon:131648kB active_file:18060kB inactive_file:60744kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:40812kB dirty:53652kB writeback:144kB shmem:652kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:3296kB pagetables:1372kB all_unreclaimable? no [ 78.272029][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 78.276581][ T299] DMA32 free:2978772kB min:62612kB low:78264kB high:93916kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:2982756kB mlocked:0kB bounce:0kB free_pcp:3984kB local_pcp:56kB free_cma:0kB [ 78.281272][ T90] __should_failslab+0xa4/0xe0 [ 78.281306][ T90] should_failslab+0x9/0x20 [ 78.286628][ T299] lowmem_reserve[]: 0 [ 78.328419][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 78.328455][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 78.328477][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 78.328495][ T90] __kmalloc_track_caller+0x6c/0x2c0 [ 78.333309][ T299] 3941 [ 78.337337][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 78.341822][ T299] 3941 [ 78.372909][ T90] ? alloc_skb_with_frags+0xa8/0x620 [ 78.372944][ T90] __alloc_skb+0x210/0x730 [ 78.372967][ T90] alloc_skb_with_frags+0xa8/0x620 [ 78.372987][ T90] ? memcpy+0x56/0x70 [ 78.378494][ T299] [ 78.405874][ T90] sock_alloc_send_pskb+0x87f/0x9a0 [ 78.405918][ T90] ? sock_kzfree_s+0x60/0x60 [ 78.405940][ T90] ? __kasan_check_write+0x14/0x20 [ 78.405964][ T90] ? _raw_spin_lock+0x94/0xf0 [ 78.405988][ T90] ? _raw_spin_trylock_bh+0x150/0x150 [ 78.498520][ T90] unix_dgram_sendmsg+0x6f3/0x19b0 [ 78.503664][ T90] ? selinux_socket_unix_may_send+0x1e6/0x2c0 [ 78.509770][ T90] ? selinux_socket_unix_stream_connect+0x430/0x430 [ 78.516392][ T90] ? unix_dgram_poll+0x6c0/0x6c0 [ 78.521340][ T90] ? path_put+0x57/0x60 [ 78.525529][ T90] ? security_socket_sendmsg+0x82/0xa0 [ 78.531002][ T90] __sys_sendto+0x46d/0x620 [ 78.535519][ T90] ? __ia32_sys_getpeername+0x90/0x90 [ 78.540908][ T90] __x64_sys_sendto+0xe5/0x100 [ 78.545775][ T90] x64_sys_call+0x178/0x9a0 [ 78.550294][ T90] do_syscall_64+0x4c/0xa0 [ 78.554809][ T90] ? clear_bhb_loop+0x50/0xa0 [ 78.559496][ T90] ? clear_bhb_loop+0x50/0xa0 [ 78.564188][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 78.570189][ T90] RIP: 0033:0x7f3faae5f407 [ 78.574620][ T90] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 78.594692][ T90] RSP: 002b:00007ffd2389c570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 78.603141][ T90] RAX: ffffffffffffffda RBX: 00007f3faad0fc80 RCX: 00007f3faae5f407 [ 78.611215][ T90] RDX: 0000000000000049 RSI: 00007ffd2389c6b0 RDI: 0000000000000003 [ 78.619303][ T90] RBP: 00007ffd2389cae0 R08: 0000000000000000 R09: 0000000000000000 [ 78.627286][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd2389caf8 [ 78.635291][ T90] R13: 00007ffd2389c6b0 R14: 000000000000002e R15: 00007ffd2389c6b0 [ 78.643376][ T90] [ 78.646894][ T101] udevd[101]: worker [308] failed while handling '/devices/virtual/block/loop2' [ 78.654939][ T299] Normal free:3280424kB min:84840kB low:106048kB high:127256kB reserved_highatomic:0KB active_anon:140kB inactive_anon:131648kB active_file:18060kB inactive_file:60744kB unevictable:0kB writepending:53628kB present:5242880kB managed:4036096kB mlocked:0kB bounce:0kB free_pcp:80228kB local_pcp:52080kB free_cma:0kB [ 78.686480][ T299] lowmem_reserve[]: 0 0 0 [ 78.690932][ T299] DMA32: 3*4kB (M) 1*8kB (M) 2*16kB (M) 3*32kB (M) 3*64kB (M) 3*128kB (M) 3*256kB (M) 3*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 724*4096kB (M) = 2978772kB [ 78.706548][ T299] Normal: 4*4kB (UM) 7*8kB (UM) 4*16kB (ME) 19*32kB (UE) 7*64kB (UE) 5*128kB (UE) 1*256kB (U) 1*512kB (U) 1*1024kB (M) 2*2048kB (UM) 799*4096kB (ME) = 3280424kB [ 78.722966][ T299] 19866 total pagecache pages [ 78.731373][ T299] 0 pages in swap cache [ 78.735579][ T299] Swap cache stats: add 0, delete 0, find 0/0 [ 78.741868][ T299] Free swap = 124996kB [ 78.746173][ T299] Total swap = 124996kB [ 78.750378][ T299] 2097051 pages RAM SYZFAIL: posix_spawnp failed (errno 12: Cannot allocate memory) [ 78.754211][ T299] 0 pages HighMem/MovableOnly [ 78.759435][ T299] 342338 pages reserved [ 78.763703][ T299] 0 pages cma reserved connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF [ 80.049271][ T8] device bridge_slave_1 left promiscuous mode [ 80.055583][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.063367][ T8] device bridge_slave_0 left promiscuous mode [ 80.069608][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.077816][ T8] device veth1_macvtap left promiscuous mode [ 80.084136][ T8] device veth0_vlan left promiscuous mode