C0] dump_stack_lvl+0x1a7/0x208 [ 69.833841][ C0] ? show_regs_print_info+0x18/0x18 [ 69.839045][ C0] ? prandom_u32+0x24d/0x290 [ 69.843643][ C0] dump_stack+0x15/0x1c [ 69.847809][ C0] should_fail+0x3ab/0x500 [ 69.852243][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 69.857890][ C0] __should_failslab+0xa4/0xe0 [ 69.862665][ C0] should_failslab+0x9/0x20 [ 69.867184][ C0] __kmalloc_track_caller+0x5f/0x310 [ 69.872482][ C0] ? kmem_cache_alloc+0x15a/0x2d0 [ 69.877518][ C0] ? __alloc_skb+0x9e/0x520 [ 69.882030][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 69.887668][ C0] __alloc_skb+0xdc/0x520 [ 69.892017][ C0] wg_packet_send_keepalive+0x62/0x1c0 [ 69.897488][ C0] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 69.904082][ C0] wg_expired_send_persistent_keepalive+0x53/0x80 [ 69.910519][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 69.916594][ C0] call_timer_fn+0x38/0x290 [ 69.921108][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 69.927207][ C0] __run_timers+0x637/0x9a0 [ 69.931729][ C0] ? calc_index+0x200/0x200 [ 69.936239][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 69.941099][ C0] run_timer_softirq+0x6a/0xf0 [ 69.945871][ C0] __do_softirq+0x255/0x563 [ 69.950382][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 69.955936][ C0] asm_call_irq_on_stack+0xf/0x20 [ 69.960964][ C0] [ 69.963939][ C0] do_softirq_own_stack+0x60/0x80 [ 69.968974][ C0] __irq_exit_rcu+0x128/0x150 [ 69.973686][ C0] irq_exit_rcu+0x9/0x10 [ 69.977937][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 69.983578][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 69.989590][ C0] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 69.995494][ C0] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 c1 03 c4 fc fb bf 01 00 00 00 26 e6 ff ff fa bf 01 00 00 00 e8 5b 05 c4 fc 65 48 8b 1d 83 a2 [ 70.015120][ C0] RSP: 0018:ffffc90000c27820 EFLAGS: 00000246 [ 70.021293][ C0] RAX: 1ffff11021663d9e RBX: ffffc90000c278d8 RCX: ffffffff86e80800 [ 70.029285][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 70.039085][ C0] RBP: ffffc90000c27898 R08: ffff88810b31e2c7 R09: 1ffff11021663c58 [ 70.047083][ C0] R10: dffffc0000000000 R11: ffffed1021663c59 R12: 0000000000000000 [ 70.055072][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000184f04 [ 70.063221][ C0] ? preempt_schedule_notrace+0x120/0x120 [ 70.068971][ C0] irqentry_exit+0x56/0x60 [ 70.073411][ C0] sysvec_reschedule_ipi+0x69/0x70 [ 70.078535][ C0] asm_sysvec_reschedule_ipi+0x12/0x20 [ 70.084010][ C0] RIP: 0010:dump_stack_lvl+0x1cc/0x208 [ 70.089479][ C0] Code: e8 61 00 00 00 48 c7 c7 60 f5 76 86 be 04 00 00 00 e8 b0 a9 25 fd c7 05 86 84 fd 01 ff ff ff ff 48 89 5c 24 10 ff 74 24 10 9d <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 65 48 8b 04 25 [ 70.109097][ C0] RSP: 0018:ffffc90000c27980 EFLAGS: 00000246 [ 70.115181][ C0] RAX: 93200932bdf02301 RBX: 0000000000000246 RCX: ffffffff847970d0 [ 70.123161][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 70.131152][ C0] RBP: ffffc90000c27a30 R08: 0000000000000003 R09: 0000000000000004 [ 70.139153][ C0] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff92000184f34 [ 70.147146][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000001 [ 70.155149][ C0] ? dump_stack_lvl+0x1b8/0x208 [ 70.160021][ C0] ? show_regs_print_info+0x18/0x18 [ 70.165232][ C0] ? prandom_u32+0x24d/0x290 [ 70.169829][ C0] dump_stack+0x15/0x1c [ 70.173997][ C0] should_fail+0x3ab/0x500 [ 70.178431][ C0] ? getname_flags+0xba/0x510 [ 70.179605][ T83] FAULT_INJECTION: forcing a failure. [ 70.179605][ T83] name failslab, interval 1, probability 10, space 0, times 67 [ 70.183162][ C0] __should_failslab+0xa4/0xe0 [ 70.200663][ C0] should_failslab+0x9/0x20 [ 70.205217][ C0] kmem_cache_alloc+0x3d/0x2d0 [ 70.209995][ C0] getname_flags+0xba/0x510 [ 70.214504][ C0] ? kasan_set_track+0x4a/0x70 [ 70.219420][ C0] ? ____kasan_slab_free+0x125/0x160 [ 70.224712][ C0] user_path_at_empty+0x2f/0x50 [ 70.229572][ C0] vfs_statx+0x10a/0x530 [ 70.233845][ C0] ? vfs_fstatat+0x40/0x40 [ 70.238274][ C0] __se_sys_newfstatat+0x10e/0x3d0 [ 70.243396][ C0] ? __x64_sys_newfstatat+0xb0/0xb0 [ 70.248614][ C0] ? debug_smp_processor_id+0x17/0x20 [ 70.253998][ C0] ? kmem_cache_free+0x100/0x2d0 [ 70.258962][ C0] ? ____kasan_slab_free+0x130/0x160 [ 70.264266][ C0] ? __kasan_slab_free+0x11/0x20 [ 70.269210][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 70.274770][ C0] ? debug_smp_processor_id+0x17/0x20 [ 70.280148][ C0] __x64_sys_newfstatat+0x9b/0xb0 [ 70.285185][ C0] do_syscall_64+0x31/0x40 [ 70.289632][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 70.295976][ C0] RIP: 0033:0x7fb3d8a0fb0a [ 70.300408][ C0] 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 [ 70.320023][ C0] RSP: 002b:00007ffe46918da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 70.328450][ C0] RAX: ffffffffffffffda RBX: 000000000000000e RCX: 00007fb3d8a0fb0a [ 70.336434][ C0] RDX: 00007ffe46918db0 RSI: 00007ffe46918e80 RDI: 00000000ffffff9c [ 70.338249][ T94] FAULT_INJECTION: forcing a failure. [ 70.338249][ T94] name failslab, interval 1, probability 10, space 0, times 66 [ 70.344438][ C0] RBP: 00007ffe46919ec0 R08: 0000000000000000 R09: 0000000000000000 [ 70.365172][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4691a2e0 [ 70.373153][ C0] R13: 0000000000000000 R14: 0000000000000008 R15: 000055c1e4a09550 [ 70.381164][ T83] CPU: 1 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 70.386699][ T382] FAULT_INJECTION: forcing a failure. [ 70.386699][ T382] name failslab, interval 1, probability 10, space 0, times 65 [ 70.387944][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 70.387949][ T83] Call Trace: [ 70.387966][ T83] __dump_stack+0x21/0x24 [ 70.388006][ T83] dump_stack_lvl+0x1a7/0x208 [ 70.423098][ T83] ? show_regs_print_info+0x18/0x18 [ 70.428308][ T83] dump_stack+0x15/0x1c [ 70.432496][ T83] should_fail+0x3ab/0x500 [ 70.436923][ T83] ? __alloc_skb+0x9e/0x520 [ 70.441434][ T83] __should_failslab+0xa4/0xe0 [ 70.446207][ T83] should_failslab+0x9/0x20 [ 70.450722][ T83] kmem_cache_alloc+0x3d/0x2d0 [ 70.455498][ T83] ? schedule_preempt_disabled+0x20/0x20 [ 70.461169][ T83] __alloc_skb+0x9e/0x520 [ 70.465514][ T83] ? rcu_preempt_deferred_qs_irqrestore+0x637/0x910 [ 70.472107][ T83] alloc_skb_with_frags+0xa3/0x560 [ 70.477230][ T83] sock_alloc_send_pskb+0x87f/0x9a0 [ 70.482438][ T83] ? sock_kzfree_s+0x60/0x60 [ 70.487039][ T83] ? __kasan_check_write+0x14/0x20 [ 70.492178][ T83] ? _raw_spin_lock+0x94/0xf0 [ 70.496872][ T83] ? _raw_spin_trylock_bh+0x150/0x150 [ 70.502260][ T83] unix_dgram_sendmsg+0x6f3/0x18f0 [ 70.507381][ T83] ? unix_dgram_poll+0x640/0x640 [ 70.512346][ T83] ? cap_capable+0x19c/0x220 [ 70.516950][ T83] ? security_socket_sendmsg+0x82/0xa0 [ 70.522418][ T83] __sys_sendto+0x467/0x620 [ 70.526952][ T83] ? __ia32_sys_getpeername+0x90/0x90 [ 70.532343][ T83] ? fpu__clear_all+0x20/0x20 [ 70.537026][ T83] __x64_sys_sendto+0xe5/0x100 [ 70.541800][ T83] do_syscall_64+0x31/0x40 [ 70.546229][ T83] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 70.552129][ T83] RIP: 0033:0x7f88b6e1b407 [ 70.556558][ T83] 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 [ 70.576176][ T83] RSP: 002b:00007ffe1fc5a930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 70.584605][ T83] RAX: ffffffffffffffda RBX: 00007f88b6ccbc80 RCX: 00007f88b6e1b407 [ 70.592586][ T83] RDX: 000000000000006f RSI: 00007ffe1fc5aa70 RDI: 0000000000000003 [ 70.600570][ T83] RBP: 00007ffe1fc5aea0 R08: 0000000000000000 R09: 0000000000000000 [ 70.608557][ T83] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe1fc5aeb8 [ 70.616535][ T83] R13: 00007ffe1fc5aa70 R14: 0000000000000054 R15: 00007ffe1fc5aa70 [ 70.624524][ T382] CPU: 0 PID: 382 Comm: kworker/0:14 Not tainted syzkaller #0 [ 70.627432][ T133] FAULT_INJECTION: forcing a failure. [ 70.627432][ T133] name failslab, interval 1, probability 10, space 0, times 64 [ 70.632003][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 70.632017][ T382] Workqueue: ipv6_addrconf addrconf_dad_work [ 70.632025][ T382] Call Trace: [ 70.632041][ T382] __dump_stack+0x21/0x24 [ 70.632053][ T382] dump_stack_lvl+0x1a7/0x208 [ 70.632066][ T382] ? show_regs_print_info+0x18/0x18 [ 70.632079][ T382] dump_stack+0x15/0x1c [ 70.632090][ T382] should_fail+0x3ab/0x500 [ 70.632101][ T382] ? dst_alloc+0x176/0x4f0 [ 70.632114][ T382] __should_failslab+0xa4/0xe0 [ 70.632161][ T382] should_failslab+0x9/0x20 [ 70.701283][ T382] kmem_cache_alloc+0x3d/0x2d0 [ 70.706060][ T382] dst_alloc+0x176/0x4f0 [ 70.710323][ T382] icmp6_dst_alloc+0xec/0x520 [ 70.715012][ T382] ? security_sk_classify_flow+0x7b/0x90 [ 70.720654][ T382] ? icmpv6_flow_init+0xd2/0x130 [ 70.725599][ T382] ndisc_send_skb+0x27c/0xbc0 [ 70.730320][ T382] ? ndisc_alloc_skb+0x290/0x290 [ 70.735295][ T382] ? slab_post_alloc_hook+0x7d/0x2f0 [ 70.740593][ T382] ? ndisc_send_ns+0x347/0xb10 [ 70.745369][ T382] ? skb_put+0x10a/0x1f0 [ 70.749617][ T382] ndisc_send_ns+0x879/0xb10 [ 70.754214][ T382] ? ndisc_send_skb+0xbc0/0xbc0 [ 70.759076][ T382] ? mod_delayed_work_on+0x91/0xd0 [ 70.764220][ T382] addrconf_dad_work+0xa40/0x1480 [ 70.769252][ T382] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 70.774638][ T382] ? __kasan_check_read+0x11/0x20 [ 70.779668][ T382] ? read_word_at_a_time+0x12/0x20 [ 70.784786][ T382] ? strscpy+0x9b/0x290 [ 70.788956][ T382] process_one_work+0x6fd/0xbc0 [ 70.793816][ T382] worker_thread+0xa8e/0x13c0 [ 70.798507][ T382] kthread+0x324/0x3b0 [ 70.802585][ T382] ? worker_clr_flags+0x190/0x190 [ 70.807617][ T382] ? kthread_blkcg+0xd0/0xd0 [ 70.812215][ T382] ret_from_fork+0x1f/0x30 [ 70.816646][ T57] CPU: 1 PID: 57 Comm: jbd2/sda1-8 Not tainted syzkaller #0 [ 70.819501][ T382] FAULT_INJECTION: forcing a failure. [ 70.819501][ T382] name failslab, interval 1, probability 10, space 0, times 63 [ 70.823969][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 70.846761][ T57] Call Trace: [ 70.850070][ T57] __dump_stack+0x21/0x24 [ 70.854439][ T57] dump_stack_lvl+0x1a7/0x208 [ 70.859129][ T57] ? show_regs_print_info+0x18/0x18 [ 70.864331][ T57] ? prandom_u32+0x24d/0x290 [ 70.868935][ T57] dump_stack+0x15/0x1c [ 70.873513][ T57] should_fail+0x3ab/0x500 [ 70.877944][ T57] ? mempool_alloc_slab+0x1d/0x30 [ 70.883128][ T57] __should_failslab+0xa4/0xe0 [ 70.887913][ T57] should_failslab+0x9/0x20 [ 70.892437][ T57] kmem_cache_alloc+0x3d/0x2d0 [ 70.897218][ T57] ? mempool_alloc_slab+0x1d/0x30 [ 70.902252][ T57] mempool_alloc_slab+0x1d/0x30 [ 70.907136][ T57] ? mempool_free+0x330/0x330 [ 70.911832][ T57] mempool_alloc+0x128/0x490 [ 70.916445][ T57] ? fscrypt_set_bio_crypt_ctx+0x179/0x4f0 [ 70.922264][ T57] ? mempool_resize+0x880/0x880 [ 70.927128][ T57] ? submit_bio+0x342/0x710 [ 70.933396][ T57] ? __kasan_check_read+0x11/0x20 [ 70.938437][ T57] ? __bio_add_page+0x26e/0x430 [ 70.943302][ T57] ? submit_bio_checks+0x1620/0x1620 [ 70.948618][ T57] bio_alloc_bioset+0x196/0x570 [ 70.953492][ T57] ? __disk_get_part+0x75/0xd0 [ 70.958279][ T57] submit_bh_wbc+0x1c6/0x6e0 [ 70.963049][ T57] submit_bh+0x2a/0x40 [ 70.967261][ T57] jbd2_journal_commit_transaction+0x262b/0x57a0 [ 70.973611][ T57] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 70.980380][ T57] ? compat_start_thread+0x80/0x80 [ 70.985507][ T57] ? __kasan_check_write+0x14/0x20 [ 70.990630][ T57] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 70.996095][ T57] ? __schedule+0xc0b/0x13e0 [ 71.000697][ T57] ? __kasan_check_write+0x14/0x20 [ 71.005830][ T57] ? detach_if_pending+0x18f/0x300 [ 71.010966][ T57] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 71.016805][ T57] ? del_timer_sync+0x144/0x1a0 [ 71.021663][ T57] kjournald2+0x43d/0x850 [ 71.025998][ T57] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 71.031291][ T57] ? io_schedule+0xe0/0xe0 [ 71.035716][ T57] ? __kasan_check_read+0x11/0x20 [ 71.040752][ T57] ? __kthread_parkme+0xb3/0x1b0 [ 71.045698][ T57] kthread+0x324/0x3b0 [ 71.049851][ T57] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 71.055062][ T57] ? kthread_blkcg+0xd0/0xd0 [ 71.059662][ T57] ret_from_fork+0x1f/0x30 [ 71.064092][ T382] CPU: 0 PID: 382 Comm: kworker/0:14 Not tainted syzkaller #0 [ 71.071570][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 71.081642][ T382] Workqueue: ipv6_addrconf addrconf_dad_work [ 71.087631][ T382] Call Trace: [ 71.091132][ T382] __dump_stack+0x21/0x24 [ 71.095476][ T382] dump_stack_lvl+0x1a7/0x208 [ 71.100207][ T382] ? show_regs_print_info+0x18/0x18 [ 71.105436][ T382] dump_stack+0x15/0x1c [ 71.109612][ T382] should_fail+0x3ab/0x500 [ 71.114048][ T382] ? ___neigh_create+0x6ec/0x1a70 [ 71.119085][ T382] __should_failslab+0xa4/0xe0 [ 71.123861][ T382] should_failslab+0x9/0x20 [ 71.128374][ T382] __kmalloc+0x60/0x330 [ 71.132536][ T382] ? stack_trace_save+0xf0/0xf0 [ 71.137400][ T382] ___neigh_create+0x6ec/0x1a70 [ 71.142260][ T382] ? selinux_ip_postroute+0x2b9/0xe90 [ 71.147644][ T382] __neigh_create+0x31/0x40 [ 71.152160][ T382] ip6_finish_output2+0x8fe/0x1540 [ 71.157278][ T382] ? ndisc_send_skb+0x27c/0xbc0 [ 71.162131][ T382] ? ndisc_send_ns+0x879/0xb10 [ 71.166905][ T382] ? addrconf_dad_work+0xa40/0x1480 [ 71.172125][ T382] ? __ip6_finish_output+0x790/0x790 [ 71.177417][ T382] ? xfrm_pols_put+0x196/0x1c0 [ 71.182210][ T382] __ip6_finish_output+0x5fd/0x790 [ 71.187331][ T382] ip6_finish_output+0x33/0x1e0 [ 71.192285][ T382] ip6_output+0x1fa/0x420 [ 71.196626][ T382] ? ac6_seq_show+0xf0/0xf0 [ 71.201133][ T382] ? ip6_output+0x420/0x420 [ 71.205639][ T382] ndisc_send_skb+0x721/0xbc0 [ 71.210342][ T382] ? ndisc_alloc_skb+0x290/0x290 [ 71.215288][ T382] ? ndisc_error_report+0xc0/0xc0 [ 71.220323][ T382] ? skb_put+0x10a/0x1f0 [ 71.224588][ T382] ndisc_send_ns+0x879/0xb10 [ 71.229194][ T382] ? ndisc_send_skb+0xbc0/0xbc0 [ 71.234046][ T382] ? mod_delayed_work_on+0x91/0xd0 [ 71.239162][ T382] addrconf_dad_work+0xa40/0x1480 [ 71.244189][ T382] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 71.249481][ T382] ? __kasan_check_write+0x14/0x20 [ 71.254629][ T382] ? pwq_activate_delayed_work+0x2ea/0x3f0 [ 71.260448][ T382] ? __kasan_check_read+0x11/0x20 [ 71.265474][ T382] ? read_word_at_a_time+0x12/0x20 [ 71.270599][ T382] ? strscpy+0x9b/0x290 [ 71.274759][ T382] process_one_work+0x6fd/0xbc0 [ 71.279646][ T382] worker_thread+0xa8e/0x13c0 [ 71.284355][ T382] kthread+0x324/0x3b0 [ 71.288435][ T382] ? worker_clr_flags+0x190/0x190 [ 71.293470][ T382] ? kthread_blkcg+0xd0/0xd0 [ 71.298067][ T382] ret_from_fork+0x1f/0x30 [ 71.302527][ T94] CPU: 1 PID: 94 Comm: udevd Not tainted syzkaller #0 [ 71.304477][ T83] FAULT_INJECTION: forcing a failure. [ 71.304477][ T83] name failslab, interval 1, probability 10, space 0, times 61 [ 71.309307][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 71.309311][ T94] Call Trace: [ 71.309329][ T94] __dump_stack+0x21/0x24 [ 71.309374][ T94] dump_stack_lvl+0x1a7/0x208 [ 71.345117][ T94] ? show_regs_print_info+0x18/0x18 [ 71.350328][ T94] ? prandom_u32+0x24d/0x290 [ 71.354936][ T94] dump_stack+0x15/0x1c [ 71.359109][ T94] should_fail+0x3ab/0x500 [ 71.363562][ T94] ? kvmalloc_node+0x88/0x130 [ 71.368247][ T94] __should_failslab+0xa4/0xe0 [ 71.373016][ T94] should_failslab+0x9/0x20 [ 71.377530][ T94] __kmalloc+0x60/0x330 [ 71.381697][ T94] kvmalloc_node+0x88/0x130 [ 71.386217][ T94] simple_xattr_alloc+0x43/0xa0 [ 71.391078][ T94] shmem_initxattrs+0x8d/0x1f0 [ 71.395860][ T94] security_inode_init_security+0x249/0x380 [ 71.401765][ T94] ? shmem_tmpfile+0x100/0x100 [ 71.406538][ T94] ? security_dentry_create_files_as+0xc0/0xc0 [ 71.412705][ T94] ? __kasan_check_write+0x14/0x20 [ 71.417821][ T94] ? set_cached_acl+0xdd/0x180 [ 71.422591][ T94] ? simple_acl_create+0x191/0x1c0 [ 71.427709][ T94] shmem_mknod+0xbb/0x1c0 [ 71.432047][ T94] shmem_create+0x2b/0x40 [ 71.436386][ T94] ? shmem_fallocate+0xc50/0xc50 [ 71.441332][ T94] path_openat+0x15ff/0x3040 [ 71.445933][ T94] ? do_filp_open+0x400/0x400 [ 71.450619][ T94] do_filp_open+0x1df/0x400 [ 71.455133][ T94] ? vfs_tmpfile+0x2c0/0x2c0 [ 71.459765][ T94] ? get_unused_fd_flags+0x92/0xa0 [ 71.464880][ T94] do_sys_openat2+0x19f/0x750 [ 71.469566][ T94] ? user_path_at_empty+0x43/0x50 [ 71.474621][ T94] ? do_sys_open+0xe0/0xe0 [ 71.479043][ T94] ? do_readlinkat+0xed/0x490 [ 71.483727][ T94] ? ksys_read+0x1eb/0x260 [ 71.488147][ T94] ? vfs_write+0xd70/0xd70 [ 71.492572][ T94] __x64_sys_openat+0x136/0x160 [ 71.497435][ T94] do_syscall_64+0x31/0x40 [ 71.501866][ T94] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 71.507790][ T94] RIP: 0033:0x7fb3d89a5407 [ 71.512212][ T94] 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 [ 71.531826][ T94] RSP: 002b:00007ffe4691a7d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 71.540246][ T94] RAX: ffffffffffffffda RBX: 00007fb3d88b7880 RCX: 00007fb3d89a5407 [ 71.548227][ T94] RDX: 0000000000080141 RSI: 000055c1cd56e02e RDI: ffffffffffffff9c [ 71.556203][ T94] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 71.564223][ T94] R10: 00000000000001a4 R11: 0000000000000202 R12: 00000000ffffffff [ 71.572204][ T94] R13: 00000000ffffffff R14: ffffffffffffffff R15: 00007ffe4691aaf0 [ 71.580491][ T382] FAULT_INJECTION: forcing a failure. [ 71.580491][ T382] name failslab, interval 1, probability 10, space 0, times 61 [ 71.593374][ T83] CPU: 0 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 71.600150][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 71.607799][ C1] FAULT_INJECTION: forcing a failure. [ 71.607799][ C1] name failslab, interval 1, probability 10, space 0, times 61 [ 71.610355][ T83] Call Trace: [ 71.626452][ T83] __dump_stack+0x21/0x24 [ 71.630816][ T83] dump_stack_lvl+0x1a7/0x208 [ 71.635506][ T83] ? show_regs_print_info+0x18/0x18 [ 71.640734][ T83] dump_stack+0x15/0x1c [ 71.644899][ T83] should_fail+0x3ab/0x500 [ 71.649323][ T83] ? __alloc_skb+0x9e/0x520 [ 71.653834][ T83] __should_failslab+0xa4/0xe0 [ 71.658603][ T83] should_failslab+0x9/0x20 [ 71.663120][ T83] kmem_cache_alloc+0x3d/0x2d0 [ 71.667916][ T83] __alloc_skb+0x9e/0x520 [ 71.672255][ T83] alloc_skb_with_frags+0xa3/0x560 [ 71.677398][ T83] ? __kasan_check_write+0x14/0x20 [ 71.682523][ T83] sock_alloc_send_pskb+0x87f/0x9a0 [ 71.687738][ T83] ? sock_kzfree_s+0x60/0x60 [ 71.692341][ T83] ? __kasan_check_write+0x14/0x20 [ 71.697468][ T83] ? _raw_spin_lock+0x94/0xf0 [ 71.702152][ T83] ? _raw_spin_trylock_bh+0x150/0x150 [ 71.707541][ T83] unix_dgram_sendmsg+0x6f3/0x18f0 [ 71.712663][ T83] ? unix_dgram_poll+0x640/0x640 [ 71.717609][ T83] ? security_socket_sendmsg+0x82/0xa0 [ 71.723081][ T83] __sys_sendto+0x467/0x620 [ 71.727605][ T83] ? __ia32_sys_getpeername+0x90/0x90 [ 71.732992][ T83] ? __sys_connect_file+0x170/0x170 [ 71.738205][ T83] ? _raw_spin_unlock+0x4d/0x70 [ 71.743070][ T83] __x64_sys_sendto+0xe5/0x100 [ 71.747933][ T83] do_syscall_64+0x31/0x40 [ 71.752382][ T83] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 71.758283][ T83] RIP: 0033:0x7f88b6e1b407 [ 71.762709][ T83] 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 [ 71.782320][ T83] RSP: 002b:00007ffe1fc5a930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 71.790746][ T83] RAX: ffffffffffffffda RBX: 00007f88b6ccbc80 RCX: 00007f88b6e1b407 [ 71.798726][ T83] RDX: 000000000000004e RSI: 00007ffe1fc5aa70 RDI: 0000000000000003 [ 71.806708][ T83] RBP: 00007ffe1fc5aea0 R08: 0000000000000000 R09: 0000000000000000 [ 71.814685][ T83] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe1fc5aeb8 [ 71.822665][ T83] R13: 00007ffe1fc5aa70 R14: 0000000000000033 R15: 00007ffe1fc5aa70 [ 71.830653][ C1] CPU: 1 PID: 390 Comm: syz-executor Not tainted syzkaller #0 [ 71.838140][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 71.848210][ C1] Call Trace: [ 71.851498][ C1] [ 71.854362][ C1] __dump_stack+0x21/0x24 [ 71.858704][ C1] dump_stack_lvl+0x1a7/0x208 [ 71.863389][ C1] ? thaw_kernel_threads+0x220/0x220 [ 71.868679][ C1] ? show_regs_print_info+0x18/0x18 [ 71.873883][ C1] ? prandom_u32+0x24d/0x290 [ 71.878477][ C1] dump_stack+0x15/0x1c [ 71.882653][ C1] should_fail+0x3ab/0x500 [ 71.887097][ C1] ? alloc_skb_with_frags+0xa3/0x560 [ 71.892392][ C1] __should_failslab+0xa4/0xe0 [ 71.897167][ C1] should_failslab+0x9/0x20 [ 71.901675][ C1] __kmalloc_track_caller+0x5f/0x310 [ 71.906966][ C1] ? kmem_cache_alloc+0x15a/0x2d0 [ 71.907966][ T57] FAULT_INJECTION: forcing a failure. [ 71.907966][ T57] name failslab, interval 1, probability 10, space 0, times 60 [ 71.912033][ C1] ? __alloc_skb+0x9e/0x520 [ 71.929266][ C1] ? alloc_skb_with_frags+0xa3/0x560 [ 71.934567][ C1] __alloc_skb+0xdc/0x520 [ 71.938912][ C1] alloc_skb_with_frags+0xa3/0x560 [ 71.944040][ C1] sock_alloc_send_pskb+0x87f/0x9a0 [ 71.949252][ C1] ? sock_kzfree_s+0x60/0x60 [ 71.953858][ C1] ? psi_task_change+0x1e9/0x340 [ 71.958803][ C1] ? __kasan_check_read+0x11/0x20 [ 71.963834][ C1] ? check_preempt_wakeup+0x142/0xb10 [ 71.969214][ C1] sock_alloc_send_skb+0x32/0x40 [ 71.974161][ C1] mld_newpack+0x1b3/0x9e0 [ 71.978595][ C1] ? mld_sendpack+0xb00/0xb00 [ 71.983279][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 71.989089][ C1] add_grec+0xedf/0x1330 [ 71.993346][ C1] ? __kasan_check_write+0x14/0x20 [ 71.998465][ C1] ? _raw_spin_lock_irq+0xf0/0xf0 [ 72.003499][ C1] mld_ifc_timer_expire+0x797/0xc60 [ 72.008705][ C1] ? _raw_spin_lock+0x94/0xf0 [ 72.013387][ C1] ? mld_gq_timer_expire+0xe0/0xe0 [ 72.018506][ C1] call_timer_fn+0x38/0x290 [ 72.023015][ C1] ? mld_gq_timer_expire+0xe0/0xe0 [ 72.028130][ C1] __run_timers+0x637/0x9a0 [ 72.032643][ C1] ? calc_index+0x200/0x200 [ 72.037151][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 72.042012][ C1] run_timer_softirq+0x6a/0xf0 [ 72.046782][ C1] __do_softirq+0x255/0x563 [ 72.051319][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 72.056869][ C1] asm_call_irq_on_stack+0xf/0x20 [ 72.061892][ C1] [ 72.064838][ C1] do_softirq_own_stack+0x60/0x80 [ 72.069876][ C1] __irq_exit_rcu+0x128/0x150 [ 72.074558][ C1] irq_exit_rcu+0x9/0x10 [ 72.078827][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 72.084494][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 72.090484][ C1] RIP: 0010:dump_stack_lvl+0xf9/0x208 [ 72.095884][ C1] Code: 49 bd 04 00 00 00 00 fc ff df 44 89 ff 44 89 f6 e8 e4 34 eb fc 45 39 f7 0f 84 86 00 00 00 48 89 5c 24 18 ff 74 24 18 9d f3 90 <48> c7 c7 60 f5 76 86 be 04 00 00 00 e8 3e aa 25 fd 8b 05 38 85 fd [ 72.115544][ C1] RSP: 0018:ffffc90000e677a0 EFLAGS: 00000293 [ 72.121636][ C1] RAX: ffffffff84797032 RBX: 0000000000000293 RCX: ffff888110d30000 [ 72.129629][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 72.137620][ C1] RBP: ffffc90000e67858 R08: 0000000000000003 R09: 0000000000000004 [ 72.145604][ C1] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff920001ccef8 [ 72.153589][ C1] R13: dffffc0000000004 R14: 0000000000000001 R15: 0000000000000000 [ 72.161584][ C1] ? dump_stack_lvl+0x11a/0x208 [ 72.166440][ C1] ? show_regs_print_info+0x18/0x18 [ 72.171648][ C1] dump_stack+0x15/0x1c [ 72.175811][ C1] should_fail+0x3ab/0x500 [ 72.180235][ C1] ? __alloc_file+0x28/0x320 [ 72.184835][ C1] __should_failslab+0xa4/0xe0 [ 72.189604][ C1] should_failslab+0x9/0x20 [ 72.194128][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 72.198897][ C1] __alloc_file+0x28/0x320 [ 72.203323][ C1] alloc_empty_file+0x97/0x180 [ 72.208098][ C1] path_openat+0xf4/0x3040 [ 72.212520][ C1] ? __kasan_slab_alloc+0xc9/0xe0 [ 72.217551][ C1] ? __kasan_slab_alloc+0xb7/0xe0 [ 72.221189][ T83] FAULT_INJECTION: forcing a failure. [ 72.221189][ T83] name failslab, interval 1, probability 10, space 0, times 59 [ 72.222650][ C1] ? kmem_cache_alloc+0x15a/0x2d0 [ 72.240378][ C1] ? getname_flags+0xba/0x510 [ 72.245062][ C1] ? getname+0x19/0x20 [ 72.249135][ C1] ? do_sys_openat2+0xde/0x750 [ 72.253902][ C1] ? __x64_sys_openat+0x136/0x160 [ 72.258933][ C1] ? do_syscall_64+0x31/0x40 [ 72.263535][ C1] ? do_filp_open+0x400/0x400 [ 72.268224][ C1] do_filp_open+0x1df/0x400 [ 72.272737][ C1] ? vfs_tmpfile+0x2c0/0x2c0 [ 72.277344][ C1] ? get_unused_fd_flags+0x92/0xa0 [ 72.282458][ C1] do_sys_openat2+0x19f/0x750 [ 72.287142][ C1] ? do_sys_open+0xe0/0xe0 [ 72.291590][ C1] ? user_path_at_empty+0x43/0x50 [ 72.296630][ C1] __x64_sys_openat+0x136/0x160 [ 72.301494][ C1] do_syscall_64+0x31/0x40 [ 72.305915][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 72.311814][ C1] RIP: 0033:0x7f059ae441bc [ 72.316245][ C1] Code: 4c 89 54 24 18 41 89 f2 41 83 e2 40 75 40 89 f0 f7 d0 a9 00 00 41 00 74 35 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 44 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 [ 72.335864][ C1] RSP: 002b:00007ffff0235ef0 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 72.344292][ C1] RAX: ffffffffffffffda RBX: 00007f059aeda30a RCX: 00007f059ae441bc [ 72.352275][ C1] RDX: 0000000000090800 RSI: 00007ffff02370a0 RDI: 00000000ffffff9c [ 72.360258][ C1] RBP: 00007ffff023708c R08: 0000000000000000 R09: 0000000000000000 [ 72.368239][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff02370a0 [ 72.376219][ C1] R13: 00007f059aeda30a R14: 000000000000deae R15: 00007ffff02370e0 [ 72.384209][ T382] CPU: 0 PID: 382 Comm: kworker/0:14 Not tainted syzkaller #0 [ 72.384559][ C1] FAULT_INJECTION: forcing a failure. [ 72.384559][ C1] name failslab, interval 1, probability 10, space 0, times 58 [ 72.391682][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 72.391697][ T382] Workqueue: ipv6_addrconf addrconf_dad_work [ 72.420489][ T382] Call Trace: [ 72.423797][ T382] __dump_stack+0x21/0x24 [ 72.428144][ T382] dump_stack_lvl+0x1a7/0x208 [ 72.432835][ T382] ? show_regs_print_info+0x18/0x18 [ 72.438042][ T382] ? prandom_u32+0x24d/0x290 [ 72.442641][ T382] dump_stack+0x15/0x1c [ 72.446802][ T382] should_fail+0x3ab/0x500 [ 72.451226][ T382] ? __alloc_skb+0x9e/0x520 [ 72.455742][ T382] __should_failslab+0xa4/0xe0 [ 72.460516][ T382] should_failslab+0x9/0x20 [ 72.465027][ T382] kmem_cache_alloc+0x3d/0x2d0 [ 72.469803][ T382] __alloc_skb+0x9e/0x520 [ 72.474144][ T382] ndisc_send_ns+0x347/0xb10 [ 72.478743][ T382] ? __queue_delayed_work+0x173/0x200 [ 72.484127][ T382] ? ndisc_send_skb+0xbc0/0xbc0 [ 72.488987][ T382] ? mod_delayed_work_on+0x91/0xd0 [ 72.494108][ T382] addrconf_dad_work+0xa40/0x1480 [ 72.499151][ T382] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 72.504447][ T382] ? __kasan_check_read+0x11/0x20 [ 72.509494][ T382] ? read_word_at_a_time+0x12/0x20 [ 72.514617][ T382] ? strscpy+0x9b/0x290 [ 72.518790][ T382] process_one_work+0x6fd/0xbc0 [ 72.523653][ T382] worker_thread+0xa8e/0x13c0 [ 72.528347][ T382] kthread+0x324/0x3b0 [ 72.532454][ T382] ? worker_clr_flags+0x190/0x190 [ 72.537494][ T382] ? kthread_blkcg+0xd0/0xd0 [ 72.542101][ T382] ret_from_fork+0x1f/0x30 [ 72.546560][ C1] CPU: 1 PID: 390 Comm: syz-executor Not tainted syzkaller #0 [ 72.546645][ C0] FAULT_INJECTION: forcing a failure. [ 72.546645][ C0] name failslab, interval 1, probability 10, space 0, times 58 [ 72.554047][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 72.554052][ C1] Call Trace: [ 72.554064][ C1] [ 72.583061][ C1] __dump_stack+0x21/0x24 [ 72.587400][ C1] dump_stack_lvl+0x1a7/0x208 [ 72.592108][ C1] ? thaw_kernel_threads+0x220/0x220 [ 72.597402][ C1] ? show_regs_print_info+0x18/0x18 [ 72.602619][ C1] ? prandom_u32+0x24d/0x290 [ 72.607220][ C1] dump_stack+0x15/0x1c [ 72.611387][ C1] should_fail+0x3ab/0x500 [ 72.615816][ C1] ? skb_clone+0x1cd/0x370 [ 72.620240][ C1] __should_failslab+0xa4/0xe0 [ 72.625011][ C1] should_failslab+0x9/0x20 [ 72.629524][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 72.634298][ C1] ? update_stack_state+0x171/0x490 [ 72.639500][ C1] skb_clone+0x1cd/0x370 [ 72.643751][ C1] maybe_deliver+0x1ad/0x2b0 [ 72.648356][ C1] br_flood+0x2e7/0x420 [ 72.652530][ C1] br_dev_xmit+0xc21/0x1030 [ 72.657045][ C1] ? br_net_exit+0x1c0/0x1c0 [ 72.661650][ C1] ? netdev_rx_csum_fault+0x70/0x70 [ 72.666897][ C1] ? netif_skb_features+0x6d4/0xa10 [ 72.672102][ C1] dev_hard_start_xmit+0x245/0x680 [ 72.677323][ C1] __dev_queue_xmit+0x13ef/0x2500 [ 72.682356][ C1] ? is_bpf_text_address+0x177/0x190 [ 72.687650][ C1] ? dev_queue_xmit+0x20/0x20 [ 72.692340][ C1] ? __local_bh_enable_ip+0x53/0x80 [ 72.697553][ C1] ? __local_bh_enable_ip+0x53/0x80 [ 72.702761][ C1] ? ipv6_chk_mcast_addr+0x3d1/0x3f0 [ 72.708056][ C1] ? ip6_finish_output2+0xcd0/0x1540 [ 72.713347][ C1] dev_queue_xmit+0x17/0x20 [ 72.717862][ C1] ip6_finish_output2+0xea9/0x1540 [ 72.722988][ C1] ? __ip6_finish_output+0x790/0x790 [ 72.728282][ C1] ? ip6table_mangle_hook+0x2c3/0x730 [ 72.733662][ C1] __ip6_finish_output+0x5fd/0x790 [ 72.738786][ C1] ip6_finish_output+0x33/0x1e0 [ 72.743682][ C1] ip6_output+0x1fa/0x420 [ 72.748025][ C1] ? ac6_seq_show+0xf0/0xf0 [ 72.752556][ C1] ? ip6_output+0x420/0x420 [ 72.757065][ C1] ? ip6table_filter_table_init+0xf0/0xf0 [ 72.762807][ C1] mld_sendpack+0x61e/0xb00 [ 72.767321][ C1] ? add_grec+0x1330/0x1330 [ 72.771836][ C1] ? mld_send_report+0x1f0/0x1f0 [ 72.776780][ C1] ? add_grec+0x10b/0x1330 [ 72.781212][ C1] ? _raw_spin_lock_irq+0xf0/0xf0 [ 72.786250][ C1] mld_ifc_timer_expire+0x862/0xc60 [ 72.791459][ C1] ? _raw_spin_lock+0x94/0xf0 [ 72.796144][ C1] ? mld_gq_timer_expire+0xe0/0xe0 [ 72.801264][ C1] call_timer_fn+0x38/0x290 [ 72.805772][ C1] ? mld_gq_timer_expire+0xe0/0xe0 [ 72.810893][ C1] __run_timers+0x637/0x9a0 [ 72.815406][ C1] ? calc_index+0x200/0x200 [ 72.819924][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 72.824783][ C1] run_timer_softirq+0x6a/0xf0 [ 72.829561][ C1] __do_softirq+0x255/0x563 [ 72.834082][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 72.839638][ C1] asm_call_irq_on_stack+0xf/0x20 [ 72.844665][ C1] [ 72.847615][ C1] do_softirq_own_stack+0x60/0x80 [ 72.852655][ C1] __irq_exit_rcu+0x128/0x150 [ 72.857340][ C1] irq_exit_rcu+0x9/0x10 [ 72.861592][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 72.867238][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 72.873229][ C1] RIP: 0010:dump_stack_lvl+0xf9/0x208 [ 72.878631][ C1] Code: 49 bd 04 00 00 00 00 fc ff df 44 89 ff 44 89 f6 e8 e4 34 eb fc 45 39 f7 0f 84 86 00 00 00 48 89 5c 24 18 ff 74 24 18 9d f3 90 <48> c7 c7 60 f5 76 86 be 04 00 00 00 e8 3e aa 25 fd 8b 05 38 85 fd [ 72.898244][ C1] RSP: 0018:ffffc90000e677a0 EFLAGS: 00000293 [ 72.904325][ C1] RAX: ffffffff84797032 RBX: 0000000000000293 RCX: ffff888110d30000 [ 72.912311][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 72.920330][ C1] RBP: ffffc90000e67858 R08: 0000000000000003 R09: 0000000000000004 [ 72.928318][ C1] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff920001ccef8 [ 72.936303][ C1] R13: dffffc0000000004 R14: 0000000000000001 R15: 0000000000000000 [ 72.944299][ C1] ? dump_stack_lvl+0x11a/0x208 [ 72.949165][ C1] ? show_regs_print_info+0x18/0x18 [ 72.954378][ C1] dump_stack+0x15/0x1c [ 72.958536][ C1] should_fail+0x3ab/0x500 [ 72.962960][ C1] ? __alloc_file+0x28/0x320 [ 72.967557][ C1] __should_failslab+0xa4/0xe0 [ 72.972330][ C1] should_failslab+0x9/0x20 [ 72.976842][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 72.981616][ C1] __alloc_file+0x28/0x320 [ 72.986042][ C1] alloc_empty_file+0x97/0x180 [ 72.990815][ C1] path_openat+0xf4/0x3040 [ 72.995238][ C1] ? __kasan_slab_alloc+0xc9/0xe0 [ 73.000299][ C1] ? __kasan_slab_alloc+0xb7/0xe0 [ 73.005336][ C1] ? kmem_cache_alloc+0x15a/0x2d0 [ 73.010371][ C1] ? getname_flags+0xba/0x510 [ 73.015053][ C1] ? getname+0x19/0x20 [ 73.019131][ C1] ? do_sys_openat2+0xde/0x750 [ 73.023903][ C1] ? __x64_sys_openat+0x136/0x160 [ 73.028939][ C1] ? do_syscall_64+0x31/0x40 [ 73.033546][ C1] ? do_filp_open+0x400/0x400 [ 73.038239][ C1] do_filp_open+0x1df/0x400 [ 73.042748][ C1] ? vfs_tmpfile+0x2c0/0x2c0 [ 73.047352][ C1] ? get_unused_fd_flags+0x92/0xa0 [ 73.052499][ C1] do_sys_openat2+0x19f/0x750 [ 73.057183][ C1] ? do_sys_open+0xe0/0xe0 [ 73.061609][ C1] ? user_path_at_empty+0x43/0x50 [ 73.066643][ C1] __x64_sys_openat+0x136/0x160 [ 73.071502][ C1] do_syscall_64+0x31/0x40 [ 73.075925][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 73.081832][ C1] RIP: 0033:0x7f059ae441bc [ 73.086259][ C1] Code: 4c 89 54 24 18 41 89 f2 41 83 e2 40 75 40 89 f0 f7 d0 a9 00 00 41 00 74 35 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 44 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 [ 73.105867][ C1] RSP: 002b:00007ffff0235ef0 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 73.114294][ C1] RAX: ffffffffffffffda RBX: 00007f059aeda30a RCX: 00007f059ae441bc [ 73.122287][ C1] RDX: 0000000000090800 RSI: 00007ffff02370a0 RDI: 00000000ffffff9c [ 73.130290][ C1] RBP: 00007ffff023708c R08: 0000000000000000 R09: 0000000000000000 [ 73.138271][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff02370a0 [ 73.146251][ C1] R13: 00007f059aeda30a R14: 000000000000deae R15: 00007ffff02370e0 [ 73.154240][ C0] CPU: 0 PID: 382 Comm: kworker/0:14 Not tainted syzkaller #0 [ 73.154561][ C1] FAULT_INJECTION: forcing a failure. [ 73.154561][ C1] name failslab, interval 1, probability 10, space 0, times 57 [ 73.161711][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 73.161726][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 73.190534][ C0] Call Trace: [ 73.193822][ C0] [ 73.196688][ C0] __dump_stack+0x21/0x24 [ 73.201032][ C0] dump_stack_lvl+0x1a7/0x208 [ 73.205720][ C0] ? thaw_kernel_threads+0x220/0x220 [ 73.211019][ C0] ? show_regs_print_info+0x18/0x18 [ 73.216238][ C0] ? prandom_u32+0x24d/0x290 [ 73.220836][ C0] dump_stack+0x15/0x1c [ 73.225002][ C0] should_fail+0x3ab/0x500 [ 73.229446][ C0] ? __alloc_skb+0x9e/0x520 [ 73.233970][ C0] __should_failslab+0xa4/0xe0 [ 73.238740][ C0] should_failslab+0x9/0x20 [ 73.243257][ C0] kmem_cache_alloc+0x3d/0x2d0 [ 73.248032][ C0] __alloc_skb+0x9e/0x520 [ 73.252378][ C0] ndisc_send_rs+0x310/0x960 [ 73.256980][ C0] addrconf_rs_timer+0x35a/0x600 [ 73.261923][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 73.268009][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 73.274089][ C0] call_timer_fn+0x38/0x290 [ 73.278601][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 73.284673][ C0] __run_timers+0x637/0x9a0 [ 73.289194][ C0] ? calc_index+0x200/0x200 [ 73.293707][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 73.298573][ C0] run_timer_softirq+0x6a/0xf0 [ 73.303347][ C0] __do_softirq+0x255/0x563 [ 73.307866][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 73.313420][ C0] asm_call_irq_on_stack+0xf/0x20 [ 73.318451][ C0] [ 73.321407][ C0] do_softirq_own_stack+0x60/0x80 [ 73.326440][ C0] __irq_exit_rcu+0x128/0x150 [ 73.331132][ C0] irq_exit_rcu+0x9/0x10 [ 73.335420][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 73.341075][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 73.347083][ C0] RIP: 0010:dump_stack_lvl+0x1cc/0x208 [ 73.352555][ C0] Code: e8 61 00 00 00 48 c7 c7 60 f5 76 86 be 04 00 00 00 e8 b0 a9 25 fd c7 05 86 84 fd 01 ff ff ff ff 48 89 5c 24 10 ff 74 24 10 9d <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 65 48 8b 04 25 [ 73.372193][ C0] RSP: 0018:ffffc90000df78a0 EFLAGS: 00000246 [ 73.378274][ C0] RAX: 9a081bc1a9ff2d01 RBX: 0000000000000246 RCX: ffffffff847970d0 [ 73.386286][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 73.394268][ C0] RBP: ffffc90000df7960 R08: 0000000000000003 R09: 0000000000000004 [ 73.402252][ C0] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff920001bef18 [ 73.410235][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000001 [ 73.418232][ C0] ? dump_stack_lvl+0x1b8/0x208 [ 73.423103][ C0] ? show_regs_print_info+0x18/0x18 [ 73.428318][ C0] ? prandom_u32+0x24d/0x290 [ 73.432917][ C0] dump_stack+0x15/0x1c [ 73.437084][ C0] should_fail+0x3ab/0x500 [ 73.441521][ C0] ? __alloc_skb+0x9e/0x520 [ 73.446036][ C0] __should_failslab+0xa4/0xe0 [ 73.450845][ C0] should_failslab+0x9/0x20 [ 73.455356][ C0] kmem_cache_alloc+0x3d/0x2d0 [ 73.460128][ C0] __alloc_skb+0x9e/0x520 [ 73.464469][ C0] ndisc_send_ns+0x347/0xb10 [ 73.469076][ C0] ? __queue_delayed_work+0x173/0x200 [ 73.474461][ C0] ? ndisc_send_skb+0xbc0/0xbc0 [ 73.479325][ C0] ? mod_delayed_work_on+0x91/0xd0 [ 73.484448][ C0] addrconf_dad_work+0xa40/0x1480 [ 73.489518][ C0] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 73.494812][ C0] ? __kasan_check_read+0x11/0x20 [ 73.499847][ C0] ? read_word_at_a_time+0x12/0x20 [ 73.504969][ C0] ? strscpy+0x9b/0x290 [ 73.509134][ C0] process_one_work+0x6fd/0xbc0 [ 73.513995][ C0] worker_thread+0xa8e/0x13c0 [ 73.518688][ C0] kthread+0x324/0x3b0 [ 73.522782][ C0] ? worker_clr_flags+0x190/0x190 [ 73.527909][ C0] ? kthread_blkcg+0xd0/0xd0 [ 73.532515][ C0] ret_from_fork+0x1f/0x30 [ 73.536950][ C1] CPU: 1 PID: 390 Comm: syz-executor Not tainted syzkaller #0 [ 73.544427][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 73.554498][ C1] Call Trace: [ 73.557793][ C1] [ 73.560665][ C1] __dump_stack+0x21/0x24 [ 73.565010][ C1] dump_stack_lvl+0x1a7/0x208 [ 73.569731][ C1] ? thaw_kernel_threads+0x220/0x220 [ 73.575027][ C1] ? show_regs_print_info+0x18/0x18 [ 73.580232][ C1] ? prandom_u32+0x24d/0x290 [ 73.584841][ C1] dump_stack+0x15/0x1c [ 73.589000][ C1] should_fail+0x3ab/0x500 [ 73.593426][ C1] ? __alloc_skb+0x9e/0x520 [ 73.597940][ C1] __should_failslab+0xa4/0xe0 [ 73.602710][ C1] should_failslab+0x9/0x20 [ 73.607219][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 73.611992][ C1] __alloc_skb+0x9e/0x520 [ 73.616335][ C1] wg_packet_send_keepalive+0x62/0x1c0 [ 73.621805][ C1] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 73.628420][ C1] wg_expired_send_persistent_keepalive+0x53/0x80 [ 73.634848][ C1] ? wg_expired_zero_key_material+0x170/0x170 [ 73.640923][ C1] call_timer_fn+0x38/0x290 [ 73.645437][ C1] ? wg_expired_zero_key_material+0x170/0x170 [ 73.651523][ C1] __run_timers+0x637/0x9a0 [ 73.656038][ C1] ? calc_index+0x200/0x200 [ 73.660561][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 73.665418][ C1] run_timer_softirq+0x6a/0xf0 [ 73.670191][ C1] __do_softirq+0x255/0x563 [ 73.674711][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 73.678133][ C0] FAULT_INJECTION: forcing a failure. [ 73.678133][ C0] name failslab, interval 1, probability 10, space 0, times 55 [ 73.680306][ C1] asm_call_irq_on_stack+0xf/0x20 [ 73.698055][ C1] [ 73.701009][ C1] do_softirq_own_stack+0x60/0x80 [ 73.706050][ C1] __irq_exit_rcu+0x128/0x150 [ 73.710738][ C1] irq_exit_rcu+0x9/0x10 [ 73.714989][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 73.720632][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 73.726631][ C1] RIP: 0010:dump_stack_lvl+0xf9/0x208 [ 73.732009][ C1] Code: 49 bd 04 00 00 00 00 fc ff df 44 89 ff 44 89 f6 e8 e4 34 eb fc 45 39 f7 0f 84 86 00 00 00 48 89 5c 24 18 ff 74 24 18 9d f3 90 <48> c7 c7 60 f5 76 86 be 04 00 00 00 e8 3e aa 25 fd 8b 05 38 85 fd [ 73.751627][ C1] RSP: 0018:ffffc90000e677a0 EFLAGS: 00000293 [ 73.757703][ C1] RAX: ffffffff84797032 RBX: 0000000000000293 RCX: ffff888110d30000 [ 73.765705][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 73.773687][ C1] RBP: ffffc90000e67858 R08: 0000000000000003 R09: 0000000000000004 [ 73.781689][ C1] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff920001ccef8 [ 73.789678][ C1] R13: dffffc0000000004 R14: 0000000000000001 R15: 0000000000000000 [ 73.797668][ C1] ? dump_stack_lvl+0x11a/0x208 [ 73.802539][ C1] ? show_regs_print_info+0x18/0x18 [ 73.807749][ C1] dump_stack+0x15/0x1c [ 73.811986][ C1] should_fail+0x3ab/0x500 [ 73.816416][ C1] ? __alloc_file+0x28/0x320 [ 73.821023][ C1] __should_failslab+0xa4/0xe0 [ 73.825827][ C1] should_failslab+0x9/0x20 [ 73.830355][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 73.835132][ C1] __alloc_file+0x28/0x320 [ 73.839561][ C1] alloc_empty_file+0x97/0x180 [ 73.844336][ C1] path_openat+0xf4/0x3040 [ 73.848786][ C1] ? __kasan_slab_alloc+0xc9/0xe0 [ 73.853847][ C1] ? __kasan_slab_alloc+0xb7/0xe0 [ 73.858882][ C1] ? kmem_cache_alloc+0x15a/0x2d0 [ 73.863919][ C1] ? getname_flags+0xba/0x510 [ 73.868602][ C1] ? getname+0x19/0x20 [ 73.872681][ C1] ? do_sys_openat2+0xde/0x750 [ 73.877458][ C1] ? __x64_sys_openat+0x136/0x160 [ 73.882507][ C1] ? do_syscall_64+0x31/0x40 [ 73.887111][ C1] ? do_filp_open+0x400/0x400 [ 73.891799][ C1] do_filp_open+0x1df/0x400 [ 73.896315][ C1] ? vfs_tmpfile+0x2c0/0x2c0 [ 73.900924][ C1] ? get_unused_fd_flags+0x92/0xa0 [ 73.906054][ C1] do_sys_openat2+0x19f/0x750 [ 73.910836][ C1] ? do_sys_open+0xe0/0xe0 [ 73.915263][ C1] ? user_path_at_empty+0x43/0x50 [ 73.920299][ C1] __x64_sys_openat+0x136/0x160 [ 73.925162][ C1] do_syscall_64+0x31/0x40 [ 73.929589][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 73.935489][ C1] RIP: 0033:0x7f059ae441bc [ 73.939919][ C1] Code: 4c 89 54 24 18 41 89 f2 41 83 e2 40 75 40 89 f0 f7 d0 a9 00 00 41 00 74 35 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 44 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 [ 73.959541][ C1] RSP: 002b:00007ffff0235ef0 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 73.967967][ C1] RAX: ffffffffffffffda RBX: 00007f059aeda30a RCX: 00007f059ae441bc [ 73.975953][ C1] RDX: 0000000000090800 RSI: 00007ffff02370a0 RDI: 00000000ffffff9c [ 73.983945][ C1] RBP: 00007ffff023708c R08: 0000000000000000 R09: 0000000000000000 [ 73.991930][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff02370a0 [ 73.999920][ C1] R13: 00007f059aeda30a R14: 000000000000deae R15: 00007ffff02370e0 [ 74.007907][ C0] CPU: 0 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 74.008499][ C1] FAULT_INJECTION: forcing a failure. [ 74.008499][ C1] name failslab, interval 1, probability 10, space 0, times 54 [ 74.014710][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 74.037499][ C0] Call Trace: [ 74.040828][ C0] [ 74.043691][ C0] __dump_stack+0x21/0x24 [ 74.048032][ C0] dump_stack_lvl+0x1a7/0x208 [ 74.052721][ C0] ? thaw_kernel_threads+0x220/0x220 [ 74.058012][ C0] ? show_regs_print_info+0x18/0x18 [ 74.063223][ C0] ? prandom_u32+0x24d/0x290 [ 74.067822][ C0] dump_stack+0x15/0x1c [ 74.072086][ C0] should_fail+0x3ab/0x500 [ 74.076510][ C0] ? dst_cow_metrics_generic+0x55/0x1c0 [ 74.082061][ C0] __should_failslab+0xa4/0xe0 [ 74.086835][ C0] should_failslab+0x9/0x20 [ 74.091358][ C0] kmem_cache_alloc_trace+0x3a/0x2e0 [ 74.096655][ C0] dst_cow_metrics_generic+0x55/0x1c0 [ 74.102155][ C0] icmp6_dst_alloc+0x35f/0x520 [ 74.106959][ C0] ndisc_send_skb+0x27c/0xbc0 [ 74.111659][ C0] ? asm_exc_int3+0x31/0x40 [ 74.116205][ C0] ? ndisc_alloc_skb+0x290/0x290 [ 74.121151][ C0] ? slab_post_alloc_hook+0x7d/0x2f0 [ 74.126447][ C0] ndisc_send_rs+0x711/0x960 [ 74.131051][ C0] addrconf_rs_timer+0x35a/0x600 [ 74.135994][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 74.142073][ C0] ? _raw_spin_lock_irq+0x95/0xf0 [ 74.147107][ C0] ? _raw_spin_lock_irqsave+0x130/0x130 [ 74.152674][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 74.158749][ C0] call_timer_fn+0x38/0x290 [ 74.163268][ C0] ? addrconf_disable_policy_idev+0x360/0x360 [ 74.169341][ C0] __run_timers+0x637/0x9a0 [ 74.173873][ C0] ? calc_index+0x200/0x200 [ 74.178386][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 74.183251][ C0] run_timer_softirq+0x6a/0xf0 [ 74.188022][ C0] __do_softirq+0x255/0x563 [ 74.192552][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 74.198107][ C0] asm_call_irq_on_stack+0xf/0x20 [ 74.203164][ C0] [ 74.206119][ C0] do_softirq_own_stack+0x60/0x80 [ 74.211152][ C0] __irq_exit_rcu+0x128/0x150 [ 74.215837][ C0] irq_exit_rcu+0x9/0x10 [ 74.220089][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 74.225727][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 74.231722][ C0] RIP: 0010:dump_stack_lvl+0xf9/0x208 [ 74.237107][ C0] Code: 49 bd 04 00 00 00 00 fc ff df 44 89 ff 44 89 f6 e8 e4 34 eb fc 45 39 f7 0f 84 86 00 00 00 48 89 5c 24 18 ff 74 24 18 9d f3 90 <48> c7 c7 60 f5 76 86 be 04 00 00 00 e8 3e aa 25 fd 8b 05 38 85 fd [ 74.256730][ C0] RSP: 0018:ffffc90000b77720 EFLAGS: 00000293 [ 74.262816][ C0] RAX: ffffffff84797032 RBX: 0000000000000293 RCX: ffff88810d5ecf00 [ 74.270800][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 74.278788][ C0] RBP: ffffc90000b777d0 R08: 0000000000000003 R09: 0000000000000004 [ 74.286767][ C0] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff9200016eee8 [ 74.294750][ C0] R13: dffffc0000000004 R14: 0000000000000000 R15: 0000000000000001 [ 74.302741][ C0] ? dump_stack_lvl+0x11a/0x208 [ 74.307599][ C0] ? thaw_kernel_threads+0x220/0x220 [ 74.312902][ C0] ? show_regs_print_info+0x18/0x18 [ 74.318113][ C0] ? prandom_u32+0x24d/0x290 [ 74.322716][ C0] dump_stack+0x15/0x1c [ 74.326955][ C0] should_fail+0x3ab/0x500 [ 74.331385][ C0] ? alloc_skb_with_frags+0xa3/0x560 [ 74.336686][ C0] __should_failslab+0xa4/0xe0 [ 74.341458][ C0] should_failslab+0x9/0x20 [ 74.345968][ C0] __kmalloc_track_caller+0x5f/0x310 [ 74.351263][ C0] ? kmem_cache_alloc+0x15a/0x2d0 [ 74.356297][ C0] ? __alloc_skb+0x9e/0x520 [ 74.360813][ C0] ? alloc_skb_with_frags+0xa3/0x560 [ 74.366111][ C0] __alloc_skb+0xdc/0x520 [ 74.370455][ C0] ? rcu_preempt_deferred_qs_irqrestore+0x637/0x910 [ 74.377053][ C0] alloc_skb_with_frags+0xa3/0x560 [ 74.382173][ C0] sock_alloc_send_pskb+0x87f/0x9a0 [ 74.387387][ C0] ? sock_kzfree_s+0x60/0x60 [ 74.391990][ C0] ? __kasan_check_write+0x14/0x20 [ 74.397106][ C0] ? _raw_spin_lock+0x94/0xf0 [ 74.401787][ C0] ? _raw_spin_trylock_bh+0x150/0x150 [ 74.407166][ C0] unix_dgram_sendmsg+0x6f3/0x18f0 [ 74.412298][ C0] ? unix_dgram_poll+0x640/0x640 [ 74.417282][ C0] ? cap_capable+0x19c/0x220 [ 74.421908][ C0] ? security_socket_sendmsg+0x82/0xa0 [ 74.427379][ C0] __sys_sendto+0x467/0x620 [ 74.431895][ C0] ? __ia32_sys_getpeername+0x90/0x90 [ 74.437281][ C0] ? fpu__clear_all+0x20/0x20 [ 74.441970][ C0] __x64_sys_sendto+0xe5/0x100 [ 74.446768][ C0] do_syscall_64+0x31/0x40 [ 74.451197][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 74.457100][ C0] RIP: 0033:0x7f88b6e1b407 [ 74.461531][ C0] 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 [ 74.481148][ C0] RSP: 002b:00007ffe1fc5a930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 74.489575][ C0] RAX: ffffffffffffffda RBX: 00007f88b6ccbc80 RCX: 00007f88b6e1b407 [ 74.497561][ C0] RDX: 000000000000004f RSI: 00007ffe1fc5aa70 RDI: 0000000000000003 [ 74.505543][ C0] RBP: 00007ffe1fc5aea0 R08: 0000000000000000 R09: 0000000000000000 [ 74.513542][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe1fc5aeb8 [ 74.521538][ C0] R13: 00007ffe1fc5aa70 R14: 0000000000000034 R15: 00007ffe1fc5aa70 [ 74.529534][ C1] CPU: 1 PID: 390 Comm: syz-executor Not tainted syzkaller #0 [ 74.537008][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 74.547069][ C1] Call Trace: [ 74.550363][ C1] [ 74.553235][ C1] __dump_stack+0x21/0x24 [ 74.557576][ C1] dump_stack_lvl+0x1a7/0x208 [ 74.562260][ C1] ? show_regs_print_info+0x18/0x18 [ 74.567469][ C1] dump_stack+0x15/0x1c [ 74.571635][ C1] should_fail+0x3ab/0x500 [ 74.576056][ C1] ? dst_alloc+0x176/0x4f0 [ 74.580480][ C1] __should_failslab+0xa4/0xe0 [ 74.585254][ C1] should_failslab+0x9/0x20 [ 74.589768][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 74.594544][ C1] ? __do_softirq+0x255/0x563 [ 74.599227][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 74.604437][ C1] dst_alloc+0x176/0x4f0 [ 74.608697][ C1] icmp6_dst_alloc+0xec/0x520 [ 74.613385][ C1] ? security_sk_classify_flow+0x7b/0x90 [ 74.619024][ C1] ? icmpv6_flow_init+0xd2/0x130 [ 74.623977][ C1] ndisc_send_skb+0x27c/0xbc0 [ 74.628666][ C1] ? asm_exc_int3+0x31/0x40 [ 74.633176][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 74.638127][ C1] ? slab_post_alloc_hook+0x7d/0x2f0 [ 74.643426][ C1] ndisc_send_rs+0x711/0x960 [ 74.648043][ C1] addrconf_rs_timer+0x35a/0x600 [ 74.653003][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 74.659086][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 74.664124][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 74.669704][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 74.675786][ C1] call_timer_fn+0x38/0x290 [ 74.680296][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 74.686367][ C1] __run_timers+0x637/0x9a0 [ 74.690880][ C1] ? calc_index+0x200/0x200 [ 74.695399][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 74.700262][ C1] run_timer_softirq+0x6a/0xf0 [ 74.705037][ C1] __do_softirq+0x255/0x563 [ 74.709556][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 74.715108][ C1] asm_call_irq_on_stack+0xf/0x20 [ 74.720135][ C1] [ 74.723083][ C1] do_softirq_own_stack+0x60/0x80 [ 74.728121][ C1] __irq_exit_rcu+0x128/0x150 [ 74.732819][ C1] irq_exit_rcu+0x9/0x10 [ 74.737102][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 74.742758][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 74.748757][ C1] RIP: 0010:dump_stack_lvl+0xf9/0x208 [ 74.754136][ C1] Code: 49 bd 04 00 00 00 00 fc ff df 44 89 ff 44 89 f6 e8 e4 34 eb fc 45 39 f7 0f 84 86 00 00 00 48 89 5c 24 18 ff 74 24 18 9d f3 90 <48> c7 c7 60 f5 76 86 be 04 00 00 00 e8 3e aa 25 fd 8b 05 38 85 fd [ 74.773747][ C1] RSP: 0018:ffffc90000e677a0 EFLAGS: 00000293 [ 74.779837][ C1] RAX: ffffffff84797032 RBX: 0000000000000293 RCX: ffff888110d30000 [ 74.787825][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 74.795809][ C1] RBP: ffffc90000e67858 R08: 0000000000000003 R09: 0000000000000004 [ 74.803794][ C1] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff920001ccef8 [ 74.811781][ C1] R13: dffffc0000000004 R14: 0000000000000001 R15: 0000000000000000 [ 74.819774][ C1] ? dump_stack_lvl+0x11a/0x208 [ 74.824635][ C1] ? show_regs_print_info+0x18/0x18 [ 74.829857][ C1] dump_stack+0x15/0x1c [ 74.834023][ C1] should_fail+0x3ab/0x500 [ 74.838466][ C1] ? __alloc_file+0x28/0x320 [ 74.843071][ C1] __should_failslab+0xa4/0xe0 [ 74.847841][ C1] should_failslab+0x9/0x20 [ 74.852357][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 74.857136][ C1] __alloc_file+0x28/0x320 [ 74.861560][ C1] alloc_empty_file+0x97/0x180 [ 74.866336][ C1] path_openat+0xf4/0x3040 [ 74.870765][ C1] ? __kasan_slab_alloc+0xc9/0xe0 [ 74.875797][ C1] ? __kasan_slab_alloc+0xb7/0xe0 [ 74.880834][ C1] ? kmem_cache_alloc+0x15a/0x2d0 [ 74.885865][ C1] ? getname_flags+0xba/0x510 [ 74.890547][ C1] ? getname+0x19/0x20 [ 74.894622][ C1] ? do_sys_openat2+0xde/0x750 [ 74.899422][ C1] ? __x64_sys_openat+0x136/0x160 [ 74.904451][ C1] ? do_syscall_64+0x31/0x40 [ 74.909056][ C1] ? do_filp_open+0x400/0x400 [ 74.913787][ C1] do_filp_open+0x1df/0x400 [ 74.918316][ C1] ? vfs_tmpfile+0x2c0/0x2c0 [ 74.922922][ C1] ? get_unused_fd_flags+0x92/0xa0 [ 74.928048][ C1] do_sys_openat2+0x19f/0x750 [ 74.932756][ C1] ? do_sys_open+0xe0/0xe0 [ 74.937239][ C1] ? user_path_at_empty+0x43/0x50 [ 74.942286][ C1] __x64_sys_openat+0x136/0x160 [ 74.947149][ C1] do_syscall_64+0x31/0x40 [ 74.951586][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 74.957485][ C1] RIP: 0033:0x7f059ae441bc [ 74.961921][ C1] Code: 4c 89 54 24 18 41 89 f2 41 83 e2 40 75 40 89 f0 f7 d0 a9 00 00 41 00 74 35 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 44 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 [ 74.981558][ C1] RSP: 002b:00007ffff0235ef0 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 74.989986][ C1] RAX: ffffffffffffffda RBX: 00007f059aeda30a RCX: 00007f059ae441bc [ 74.997968][ C1] RDX: 0000000000090800 RSI: 00007ffff02370a0 RDI: 00000000ffffff9c [ 75.005956][ C1] RBP: 00007ffff023708c R08: 0000000000000000 R09: 0000000000000000 [ 75.013941][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff02370a0 [ 75.021929][ C1] R13: 00007f059aeda30a R14: 000000000000deae R15: 00007ffff02370e0 [ 75.029920][ T133] CPU: 0 PID: 133 Comm: dhcpcd Not tainted syzkaller #0 [ 75.030411][ C1] FAULT_INJECTION: forcing a failure. [ 75.030411][ C1] name failslab, interval 1, probability 10, space 0, times 51 [ 75.036900][ T133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 75.059703][ T133] Call Trace: [ 75.063009][ T133] __dump_stack+0x21/0x24 [ 75.067349][ T133] dump_stack_lvl+0x1a7/0x208 [ 75.072040][ T133] ? thaw_kernel_threads+0x220/0x220 [ 75.077335][ T133] ? show_regs_print_info+0x18/0x18 [ 75.082554][ T133] ? prandom_u32+0x24d/0x290 [ 75.087157][ T133] dump_stack+0x15/0x1c [ 75.091346][ T133] should_fail+0x3ab/0x500 [ 75.095795][ T133] ? alloc_skb_with_frags+0xa3/0x560 [ 75.101102][ T133] __should_failslab+0xa4/0xe0 [ 75.105875][ T133] should_failslab+0x9/0x20 [ 75.110388][ T133] __kmalloc_track_caller+0x5f/0x310 [ 75.115691][ T133] ? kmem_cache_alloc+0x15a/0x2d0 [ 75.120722][ T133] ? __alloc_skb+0x9e/0x520 [ 75.125359][ T133] ? alloc_skb_with_frags+0xa3/0x560 [ 75.130766][ T133] __alloc_skb+0xdc/0x520 [ 75.135116][ T133] alloc_skb_with_frags+0xa3/0x560 [ 75.140325][ T133] ? __schedule+0xc0b/0x13e0 [ 75.144926][ T133] sock_alloc_send_pskb+0x87f/0x9a0 [ 75.150134][ T133] ? sock_kzfree_s+0x60/0x60 [ 75.154736][ T133] ? __kasan_check_write+0x14/0x20 [ 75.159860][ T133] ? _raw_spin_lock+0x94/0xf0 [ 75.164547][ T133] ? _raw_spin_trylock_bh+0x150/0x150 [ 75.169948][ T133] unix_dgram_sendmsg+0x6f3/0x18f0 [ 75.175089][ T133] ? selinux_socket_sendmsg+0x22f/0x340 [ 75.180661][ T133] ? __rcu_read_unlock+0xa0/0xa0 [ 75.185617][ T133] ? selinux_socket_accept+0x570/0x570 [ 75.191084][ T133] ? unix_dgram_poll+0x640/0x640 [ 75.196027][ T133] ? avc_has_perm_noaudit+0x260/0x260 [ 75.201408][ T133] unix_seqpacket_sendmsg+0x118/0x1e0 [ 75.206797][ T133] sock_write_iter+0x2a6/0x3a0 [ 75.211573][ T133] ? sock_read_iter+0x380/0x380 [ 75.216432][ T133] ? match_file+0x130/0x130 [ 75.220945][ T133] do_iter_readv_writev+0x477/0x5f0 [ 75.226151][ T133] ? generic_file_rw_checks+0x2a0/0x2a0 [ 75.231708][ T133] ? security_file_permission+0x83/0xa0 [ 75.237277][ T133] ? rw_verify_area+0x1c0/0x360 [ 75.242142][ T133] do_iter_write+0x175/0x5e0 [ 75.246746][ T133] vfs_writev+0x2a9/0x530 [ 75.251083][ T133] ? __x64_sys_newuname+0x40/0x40 [ 75.256133][ T133] ? do_writev+0x2c0/0x2c0 [ 75.260563][ T133] ? __kasan_check_read+0x11/0x20 [ 75.265620][ T133] ? __fdget_pos+0x1f7/0x380 [ 75.270218][ T133] do_writev+0x14e/0x2c0 [ 75.274467][ T133] ? do_readv+0x450/0x450 [ 75.278811][ T133] __x64_sys_writev+0x7d/0x90 [ 75.283527][ T133] do_syscall_64+0x31/0x40 [ 75.287956][ T133] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 75.293849][ T133] RIP: 0033:0x7f03e2e07407 [ 75.298275][ T133] 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 [ 75.318008][ T133] RSP: 002b:00007ffe9f28a1e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 75.326435][ T133] RAX: ffffffffffffffda RBX: 00007f03e2d7d740 RCX: 00007f03e2e07407 [ 75.334420][ T133] RDX: 0000000000000005 RSI: 00007ffe9f28a240 RDI: 000000000000000a [ 75.342407][ T133] RBP: 00005555eeef1610 R08: 0000000000000000 R09: 0000000000000000 [ 75.350525][ T133] R10: 0000000000000000 R11: 0000000000000202 R12: 00005555eeef1610 [ 75.358532][ T133] R13: 000000000000012c R14: 00000000ffffffff R15: 0000000000000000 [ 75.366531][ C1] CPU: 1 PID: 390 Comm: syz-executor Not tainted syzkaller #0 [ 75.374014][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 75.384076][ C1] Call Trace: [ 75.387372][ C1] [ 75.390240][ C1] __dump_stack+0x21/0x24 [ 75.394582][ C1] dump_stack_lvl+0x1a7/0x208 [ 75.399266][ C1] ? thaw_kernel_threads+0x220/0x220 [ 75.404580][ C1] ? show_regs_print_info+0x18/0x18 [ 75.409798][ C1] ? prandom_u32+0x24d/0x290 [ 75.414420][ C1] dump_stack+0x15/0x1c [ 75.418590][ C1] should_fail+0x3ab/0x500 [ 75.423019][ C1] ? ndisc_send_rs+0x310/0x960 [ 75.427798][ C1] __should_failslab+0xa4/0xe0 [ 75.432569][ C1] should_failslab+0x9/0x20 [ 75.437099][ C1] __kmalloc_track_caller+0x5f/0x310 [ 75.442392][ C1] ? kmem_cache_alloc+0x15a/0x2d0 [ 75.447423][ C1] ? __alloc_skb+0x9e/0x520 [ 75.451937][ C1] ? ndisc_send_rs+0x310/0x960 [ 75.456705][ C1] __alloc_skb+0xdc/0x520 [ 75.461051][ C1] ndisc_send_rs+0x310/0x960 [ 75.465648][ C1] ? ndisc_send_rs+0xd1/0x960 [ 75.470331][ C1] addrconf_rs_timer+0x35a/0x600 [ 75.475273][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 75.481348][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 75.486383][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 75.491944][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 75.498021][ C1] call_timer_fn+0x38/0x290 [ 75.502567][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 75.508640][ C1] __run_timers+0x637/0x9a0 [ 75.513152][ C1] ? calc_index+0x200/0x200 [ 75.517668][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 75.522532][ C1] run_timer_softirq+0x6a/0xf0 [ 75.527311][ C1] __do_softirq+0x255/0x563 [ 75.531833][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 75.537401][ C1] asm_call_irq_on_stack+0xf/0x20 [ 75.542430][ C1] [ 75.545376][ C1] do_softirq_own_stack+0x60/0x80 [ 75.550406][ C1] __irq_exit_rcu+0x128/0x150 [ 75.555095][ C1] irq_exit_rcu+0x9/0x10 [ 75.559345][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 75.564987][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 75.570979][ C1] RIP: 0010:dump_stack_lvl+0xf9/0x208 [ 75.576367][ C1] Code: 49 bd 04 00 00 00 00 fc ff df 44 89 ff 44 89 f6 e8 e4 34 eb fc 45 39 f7 0f 84 86 00 00 00 48 89 5c 24 18 ff 74 24 18 9d f3 90 <48> c7 c7 60 f5 76 86 be 04 00 00 00 e8 3e aa 25 fd 8b 05 38 85 fd [ 75.596004][ C1] RSP: 0018:ffffc90000e677a0 EFLAGS: 00000293 [ 75.602087][ C1] RAX: ffffffff84797032 RBX: 0000000000000293 RCX: ffff888110d30000 [ 75.607676][ C0] FAULT_INJECTION: forcing a failure. [ 75.607676][ C0] name failslab, interval 1, probability 10, space 0, times 51 [ 75.610100][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 75.630812][ C1] RBP: ffffc90000e67858 R08: 0000000000000003 R09: 0000000000000004 [ 75.638797][ C1] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff920001ccef8 [ 75.646776][ C1] R13: dffffc0000000004 R14: 0000000000000001 R15: 0000000000000000 [ 75.654774][ C1] ? dump_stack_lvl+0x11a/0x208 [ 75.659639][ C1] ? show_regs_print_info+0x18/0x18 [ 75.664847][ C1] dump_stack+0x15/0x1c [ 75.669021][ C1] should_fail+0x3ab/0x500 [ 75.673446][ C1] ? __alloc_file+0x28/0x320 [ 75.678046][ C1] __should_failslab+0xa4/0xe0 [ 75.682869][ C1] should_failslab+0x9/0x20 [ 75.687387][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 75.692163][ C1] __alloc_file+0x28/0x320 [ 75.696584][ C1] alloc_empty_file+0x97/0x180 [ 75.701358][ C1] path_openat+0xf4/0x3040 [ 75.705805][ C1] ? __kasan_slab_alloc+0xc9/0xe0 [ 75.710835][ C1] ? __kasan_slab_alloc+0xb7/0xe0 [ 75.715873][ C1] ? kmem_cache_alloc+0x15a/0x2d0 [ 75.720911][ C1] ? getname_flags+0xba/0x510 [ 75.725599][ C1] ? getname+0x19/0x20 [ 75.729674][ C1] ? do_sys_openat2+0xde/0x750 [ 75.734448][ C1] ? __x64_sys_openat+0x136/0x160 [ 75.739481][ C1] ? do_syscall_64+0x31/0x40 [ 75.744082][ C1] ? do_filp_open+0x400/0x400 [ 75.748773][ C1] do_filp_open+0x1df/0x400 [ 75.753287][ C1] ? vfs_tmpfile+0x2c0/0x2c0 [ 75.757900][ C1] ? get_unused_fd_flags+0x92/0xa0 [ 75.763020][ C1] do_sys_openat2+0x19f/0x750 [ 75.767720][ C1] ? do_sys_open+0xe0/0xe0 [ 75.772155][ C1] ? user_path_at_empty+0x43/0x50 [ 75.777186][ C1] __x64_sys_openat+0x136/0x160 [ 75.782048][ C1] do_syscall_64+0x31/0x40 [ 75.786485][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 75.792381][ C1] RIP: 0033:0x7f059ae441bc [ 75.796852][ C1] Code: 4c 89 54 24 18 41 89 f2 41 83 e2 40 75 40 89 f0 f7 d0 a9 00 00 41 00 74 35 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 44 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 [ 75.816473][ C1] RSP: 002b:00007ffff0235ef0 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 75.824903][ C1] RAX: ffffffffffffffda RBX: 00007f059aeda30a RCX: 00007f059ae441bc [ 75.833004][ C1] RDX: 0000000000090800 RSI: 00007ffff02370a0 RDI: 00000000ffffff9c [ 75.840981][ C1] RBP: 00007ffff023708c R08: 0000000000000000 R09: 0000000000000000 [ 75.848965][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff02370a0 [ 75.857145][ C1] R13: 00007f059aeda30a R14: 000000000000deae R15: 00007ffff02370e0 [ 75.865154][ C0] CPU: 0 PID: 112 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 75.868219][ T384] FAULT_INJECTION: forcing a failure. [ 75.868219][ T384] name failslab, interval 1, probability 10, space 0, times 50 [ 75.872676][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 75.895477][ C0] Workqueue: events_unbound toggle_allocation_gate [ 75.901989][ C0] Call Trace: [ 75.905283][ C0] [ 75.908152][ C0] __dump_stack+0x21/0x24 [ 75.912494][ C0] dump_stack_lvl+0x1a7/0x208 [ 75.917183][ C0] ? show_regs_print_info+0x18/0x18 [ 75.922395][ C0] ? prandom_u32+0x24d/0x290 [ 75.927010][ C0] dump_stack+0x15/0x1c [ 75.931179][ C0] should_fail+0x3ab/0x500 [ 75.935616][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 75.941265][ C0] __should_failslab+0xa4/0xe0 [ 75.946051][ C0] should_failslab+0x9/0x20 [ 75.950577][ C0] __kmalloc_track_caller+0x5f/0x310 [ 75.955875][ C0] ? kmem_cache_alloc+0x15a/0x2d0 [ 75.960921][ C0] ? __alloc_skb+0x9e/0x520 [ 75.965433][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 75.971117][ C0] __alloc_skb+0xdc/0x520 [ 75.975466][ C0] wg_packet_send_keepalive+0x62/0x1c0 [ 75.980937][ C0] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 75.987541][ C0] wg_expired_send_persistent_keepalive+0x53/0x80 [ 75.993969][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 76.000048][ C0] call_timer_fn+0x38/0x290 [ 76.004567][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 76.010644][ C0] __run_timers+0x637/0x9a0 [ 76.015161][ C0] ? calc_index+0x200/0x200 [ 76.019673][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 76.024532][ C0] run_timer_softirq+0x6a/0xf0 [ 76.029305][ C0] __do_softirq+0x255/0x563 [ 76.033827][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 76.039388][ C0] asm_call_irq_on_stack+0xf/0x20 [ 76.044418][ C0] [ 76.047367][ C0] do_softirq_own_stack+0x60/0x80 [ 76.052416][ C0] __irq_exit_rcu+0x128/0x150 [ 76.057140][ C0] irq_exit_rcu+0x9/0x10 [ 76.061397][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 76.067043][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 76.073123][ C0] RIP: 0010:smp_call_function_single+0x209/0x490 [ 76.079458][ C0] Code: 48 44 89 f6 83 e6 01 31 ff e8 73 85 0a 00 41 83 e6 01 49 bc 00 00 00 00 00 fc ff df 75 0a e8 ae 81 0a 00 e9 a4 00 00 00 f3 90 44 24 48 01 00 00 00 0f 84 8f 00 00 00 e8 94 81 0a 00 eb e9 e8 [ 76.099202][ C0] RSP: 0018:ffffc90000ca7700 EFLAGS: 00000293 [ 76.105286][ C0] RAX: ffffffff815a21cc RBX: 0000000000000000 RCX: ffff888111f80000 [ 76.113266][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 76.121248][ C0] RBP: ffffc90000ca77f0 R08: ffff8881f7157647 R09: 1ffff1103ee2aec8 [ 76.129246][ C0] R10: dffffc0000000000 R11: ffffed103ee2aec9 R12: dffffc0000000000 [ 76.137229][ C0] R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff92000194ee4 [ 76.145238][ C0] ? smp_call_function_single+0x21c/0x490 [ 76.150999][ C0] ? text_poke_sync+0x20/0x20 [ 76.155692][ C0] ? flush_smp_call_function_from_idle+0x190/0x190 [ 76.162307][ C0] ? text_poke_sync+0x20/0x20 [ 76.167004][ C0] ? find_next_and_bit+0x16d/0x1b0 [ 76.172123][ C0] smp_call_function_many_cond+0x8f5/0x9d0 [ 76.177940][ C0] ? cpumask_any_but+0xa4/0xc0 [ 76.182707][ C0] ? text_poke_sync+0x20/0x20 [ 76.187393][ C0] ? flush_tlb_mm_range+0x220/0x2c0 [ 76.192602][ C0] ? smp_call_function_many+0x40/0x40 [ 76.197985][ C0] ? __kasan_check_read+0x11/0x20 [ 76.203017][ C0] ? perf_event_text_poke+0x147/0x1a0 [ 76.208396][ C0] ? text_poke_sync+0x20/0x20 [ 76.213089][ C0] on_each_cpu+0xab/0x180 [ 76.217432][ C0] ? text_poke+0x20/0x20 [ 76.221689][ C0] ? smp_call_function+0x90/0x90 [ 76.226638][ C0] ? __kmalloc_track_caller+0xde/0x310 [ 76.232111][ C0] ? memcpy+0x56/0x70 [ 76.236111][ C0] text_poke_bp_batch+0x40e/0x5f0 [ 76.241149][ C0] ? text_poke_loc_init+0x590/0x590 [ 76.246394][ C0] ? __kasan_check_write+0x14/0x20 [ 76.251522][ C0] ? mutex_lock+0x92/0xf0 [ 76.255862][ C0] ? mutex_trylock+0xb0/0xb0 [ 76.260459][ C0] ? __kmalloc_track_caller+0xdd/0x310 [ 76.265924][ C0] ? __kasan_check_write+0x14/0x20 [ 76.271045][ C0] ? mutex_unlock+0x1c/0x40 [ 76.275574][ C0] text_poke_finish+0x1a/0x30 [ 76.280287][ C0] arch_jump_label_transform_apply+0x15/0x30 [ 76.286286][ C0] __jump_label_update+0x38f/0x3b0 [ 76.291406][ C0] jump_label_update+0x34c/0x3e0 [ 76.296353][ C0] static_key_enable_cpuslocked+0x126/0x240 [ 76.302256][ C0] static_key_enable+0x1a/0x30 [ 76.307034][ C0] toggle_allocation_gate+0xba/0x440 [ 76.312348][ C0] ? kfence_protect+0x1b0/0x1b0 [ 76.317211][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 76.322423][ C0] ? finish_task_switch+0x12e/0x5a0 [ 76.327633][ C0] ? switch_mm_irqs_off+0x752/0x990 [ 76.332844][ C0] ? __switch_to_asm+0x3a/0x60 [ 76.337620][ C0] ? __kasan_check_read+0x11/0x20 [ 76.342658][ C0] ? read_word_at_a_time+0x12/0x20 [ 76.347783][ C0] ? strscpy+0x9b/0x290 [ 76.351985][ C0] process_one_work+0x6fd/0xbc0 [ 76.356852][ C0] worker_thread+0xa8e/0x13c0 [ 76.361541][ C0] kthread+0x324/0x3b0 [ 76.365616][ C0] ? worker_clr_flags+0x190/0x190 [ 76.370655][ C0] ? kthread_blkcg+0xd0/0xd0 [ 76.375259][ C0] ret_from_fork+0x1f/0x30 [ 76.379697][ T384] CPU: 1 PID: 384 Comm: kworker/1:15 Not tainted syzkaller #0 [ 76.387174][ T384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 76.397252][ T384] Workqueue: ipv6_addrconf addrconf_dad_work [ 76.403244][ T384] Call Trace: [ 76.406552][ T384] __dump_stack+0x21/0x24 [ 76.410920][ T384] dump_stack_lvl+0x1a7/0x208 [ 76.415610][ T384] ? show_regs_print_info+0x18/0x18 [ 76.420821][ T384] ? prandom_u32+0x24d/0x290 [ 76.425430][ T384] dump_stack+0x15/0x1c [ 76.429604][ T384] should_fail+0x3ab/0x500 [ 76.434032][ T384] ? neigh_hash_alloc+0x60/0x270 [ 76.438983][ T384] __should_failslab+0xa4/0xe0 [ 76.443794][ T384] should_failslab+0x9/0x20 [ 76.448333][ T384] kmem_cache_alloc_trace+0x3a/0x2e0 [ 76.453633][ T384] ? _raw_write_lock_irq+0xf0/0xf0 [ 76.458783][ T384] ? __kasan_check_write+0x14/0x20 [ 76.463930][ T384] neigh_hash_alloc+0x60/0x270 [ 76.468706][ T384] ___neigh_create+0xdd8/0x1a70 [ 76.473569][ T384] ? selinux_ip_postroute+0x2b9/0xe90 [ 76.478969][ T384] __neigh_create+0x31/0x40 [ 76.483488][ T384] ip6_finish_output2+0x8fe/0x1540 [ 76.488617][ T384] ? ndisc_send_skb+0x27c/0xbc0 [ 76.493482][ T384] ? ndisc_send_ns+0x879/0xb10 [ 76.498252][ T384] ? addrconf_dad_work+0xa40/0x1480 [ 76.503462][ T384] ? __ip6_finish_output+0x790/0x790 [ 76.508767][ T384] ? xfrm_pols_put+0x196/0x1c0 [ 76.513544][ T384] __ip6_finish_output+0x5fd/0x790 [ 76.518672][ T384] ip6_finish_output+0x33/0x1e0 [ 76.523531][ T384] ip6_output+0x1fa/0x420 [ 76.527880][ T384] ? ac6_seq_show+0xf0/0xf0 [ 76.532392][ T384] ? ip6_output+0x420/0x420 [ 76.536906][ T384] ndisc_send_skb+0x721/0xbc0 [ 76.541597][ T384] ? ndisc_alloc_skb+0x290/0x290 [ 76.546545][ T384] ? ndisc_error_report+0xc0/0xc0 [ 76.551583][ T384] ? skb_put+0x10a/0x1f0 [ 76.555839][ T384] ndisc_send_ns+0x879/0xb10 [ 76.560444][ T384] ? ndisc_send_skb+0xbc0/0xbc0 [ 76.565303][ T384] ? mod_delayed_work_on+0x91/0xd0 [ 76.570432][ T384] addrconf_dad_work+0xa40/0x1480 [ 76.575466][ T384] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 76.580777][ T384] ? __kasan_check_read+0x11/0x20 [ 76.585812][ T384] ? read_word_at_a_time+0x12/0x20 [ 76.590943][ T384] ? strscpy+0x9b/0x290 [ 76.595113][ T384] process_one_work+0x6fd/0xbc0 [ 76.599979][ T384] worker_thread+0xa8e/0x13c0 [ 76.604672][ T384] kthread+0x324/0x3b0 [ 76.608757][ T384] ? worker_clr_flags+0x190/0x190 [ 76.613794][ T384] ? kthread_blkcg+0xd0/0xd0 [ 76.618401][ T384] ret_from_fork+0x1f/0x30 [ 76.622837][ T57] CPU: 0 PID: 57 Comm: jbd2/sda1-8 Not tainted syzkaller #0 [ 76.624093][ T384] FAULT_INJECTION: forcing a failure. [ 76.624093][ T384] name failslab, interval 1, probability 10, space 0, times 48 [ 76.630147][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 76.630152][ T57] Call Trace: [ 76.630173][ T57] __dump_stack+0x21/0x24 [ 76.630185][ T57] dump_stack_lvl+0x1a7/0x208 [ 76.630232][ T57] ? show_regs_print_info+0x18/0x18 [ 76.670566][ T57] ? prandom_u32+0x24d/0x290 [ 76.675175][ T57] dump_stack+0x15/0x1c [ 76.679348][ T57] should_fail+0x3ab/0x500 [ 76.683840][ T57] ? mempool_alloc_slab+0x1d/0x30 [ 76.688916][ T57] __should_failslab+0xa4/0xe0 [ 76.693724][ T57] should_failslab+0x9/0x20 [ 76.698249][ T57] kmem_cache_alloc+0x3d/0x2d0 [ 76.703028][ T57] ? mempool_alloc_slab+0x1d/0x30 [ 76.708061][ T57] mempool_alloc_slab+0x1d/0x30 [ 76.712933][ T57] ? mempool_free+0x330/0x330 [ 76.717619][ T57] mempool_alloc+0x128/0x490 [ 76.722342][ T57] ? fscrypt_set_bio_crypt_ctx+0x179/0x4f0 [ 76.728081][ T94] udevd[94]: could not touch /run/udev/queue: Cannot allocate memory [ 76.728224][ T57] ? mempool_resize+0x880/0x880 [ 76.741114][ T57] ? submit_bio+0x342/0x710 [ 76.745671][ T57] ? __kasan_check_read+0x11/0x20 [ 76.750735][ T57] ? __bio_add_page+0x26e/0x430 [ 76.755596][ T57] ? submit_bio_checks+0x1620/0x1620 [ 76.760897][ T57] bio_alloc_bioset+0x196/0x570 [ 76.765761][ T57] ? __disk_get_part+0x75/0xd0 [ 76.770553][ T57] submit_bh_wbc+0x1c6/0x6e0 [ 76.775154][ T57] submit_bh+0x2a/0x40 [ 76.779245][ T57] jbd2_journal_commit_transaction+0x262b/0x57a0 [ 76.785600][ T57] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 76.792374][ T57] ? compat_start_thread+0x80/0x80 [ 76.797550][ T57] ? __kasan_check_write+0x14/0x20 [ 76.797925][ T300] FAULT_INJECTION: forcing a failure. [ 76.797925][ T300] name failslab, interval 1, probability 10, space 0, times 47 [ 76.802726][ T57] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 76.821017][ T57] ? __schedule+0xc0b/0x13e0 [ 76.825619][ T57] ? __kasan_check_write+0x14/0x20 [ 76.830746][ T57] ? detach_if_pending+0x18f/0x300 [ 76.835868][ T57] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 76.841685][ T57] ? del_timer_sync+0x144/0x1a0 [ 76.846548][ T57] kjournald2+0x43d/0x850 [ 76.850908][ T57] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 76.856123][ T57] ? io_schedule+0xe0/0xe0 [ 76.860639][ T57] ? __kasan_check_read+0x11/0x20 [ 76.865672][ T57] ? __kthread_parkme+0xb3/0x1b0 [ 76.870620][ T57] kthread+0x324/0x3b0 [ 76.874701][ T57] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 76.879920][ T57] ? kthread_blkcg+0xd0/0xd0 [ 76.884538][ T57] ret_from_fork+0x1f/0x30 [ 76.888974][ T300] CPU: 1 PID: 300 Comm: udevd Not tainted syzkaller #0 [ 76.895845][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 76.905912][ T300] Call Trace: [ 76.909230][ T300] __dump_stack+0x21/0x24 [ 76.913568][ T300] dump_stack_lvl+0x1a7/0x208 [ 76.918252][ T300] ? show_regs_print_info+0x18/0x18 [ 76.923462][ T300] dump_stack+0x15/0x1c [ 76.927623][ T300] should_fail+0x3ab/0x500 [ 76.932044][ T300] ? __d_alloc+0x2d/0x690 [ 76.936393][ T300] __should_failslab+0xa4/0xe0 [ 76.941172][ T300] should_failslab+0x9/0x20 [ 76.945691][ T300] kmem_cache_alloc+0x3d/0x2d0 [ 76.950478][ T300] ? selinux_inode_follow_link+0x370/0x370 [ 76.956290][ T300] __d_alloc+0x2d/0x690 [ 76.960463][ T300] d_alloc_parallel+0xe2/0x1390 [ 76.965322][ T300] ? security_inode_permission+0xb0/0x100 [ 76.971067][ T300] ? inode_permission+0xf1/0x520 [ 76.976023][ T300] ? link_path_walk+0x949/0xbd0 [ 76.980889][ T300] ? d_hash_and_lookup+0x1f0/0x1f0 [ 76.986013][ T300] ? __kasan_check_write+0x14/0x20 [ 76.991239][ T300] ? down_read_killable+0xe0/0xe0 [ 76.996276][ T300] path_openat+0x992/0x3040 [ 77.000797][ T300] ? getname_flags+0xba/0x510 [ 77.005483][ T300] ? do_filp_open+0x400/0x400 [ 77.010175][ T300] do_filp_open+0x1df/0x400 [ 77.014698][ T300] ? vfs_tmpfile+0x2c0/0x2c0 [ 77.019305][ T300] ? get_unused_fd_flags+0x92/0xa0 [ 77.024426][ T300] do_sys_openat2+0x19f/0x750 [ 77.029116][ T300] ? filename_create+0x443/0x680 [ 77.034168][ T300] ? __check_object_size+0x2dd/0x3b0 [ 77.039462][ T300] ? do_sys_open+0xe0/0xe0 [ 77.043893][ T300] ? __kasan_check_write+0x14/0x20 [ 77.049024][ T300] ? switch_fpu_return+0x19c/0x330 [ 77.054148][ T300] ? fpu__clear_all+0x20/0x20 [ 77.058835][ T300] __x64_sys_openat+0x136/0x160 [ 77.063702][ T300] do_syscall_64+0x31/0x40 [ 77.068168][ T300] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 77.074070][ T300] RIP: 0033:0x7fb3d89a5407 [ 77.078520][ T300] 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 [ 77.098142][ T300] RSP: 002b:00007ffe46919d80 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 77.106699][ T300] RAX: ffffffffffffffda RBX: 00007fb3d88b7880 RCX: 00007fb3d89a5407 [ 77.114696][ T300] RDX: 0000000000080241 RSI: 00007ffe4691a2e0 RDI: ffffffffffffff9c [ 77.122681][ T300] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 77.130669][ T300] R10: 00000000000001b6 R11: 0000000000000202 R12: 000055c1cd56edfc [ 77.138659][ T300] R13: 000055c1cd56edfc R14: 0000000000000001 R15: 000055c1e4a09550 [ 77.146653][ T83] CPU: 0 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 77.153441][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 77.163533][ T83] Call Trace: [ 77.166842][ T83] __dump_stack+0x21/0x24 [ 77.171188][ T83] dump_stack_lvl+0x1a7/0x208 [ 77.175881][ T83] ? thaw_kernel_threads+0x220/0x220 [ 77.181175][ T83] ? show_regs_print_info+0x18/0x18 [ 77.186377][ T83] ? prandom_u32+0x24d/0x290 [ 77.190973][ T83] dump_stack+0x15/0x1c [ 77.195137][ T83] should_fail+0x3ab/0x500 [ 77.199599][ T83] ? alloc_skb_with_frags+0xa3/0x560 [ 77.204927][ T83] __should_failslab+0xa4/0xe0 [ 77.209709][ T83] should_failslab+0x9/0x20 [ 77.214221][ T83] __kmalloc_track_caller+0x5f/0x310 [ 77.219515][ T83] ? kmem_cache_alloc+0x15a/0x2d0 [ 77.224546][ T83] ? __alloc_skb+0x9e/0x520 [ 77.229169][ T83] ? alloc_skb_with_frags+0xa3/0x560 [ 77.234460][ T83] __alloc_skb+0xdc/0x520 [ 77.238806][ T83] ? rcu_preempt_deferred_qs_irqrestore+0x637/0x910 [ 77.245402][ T83] alloc_skb_with_frags+0xa3/0x560 [ 77.250531][ T83] sock_alloc_send_pskb+0x87f/0x9a0 [ 77.255739][ T83] ? sock_kzfree_s+0x60/0x60 [ 77.260341][ T83] ? __kasan_check_write+0x14/0x20 [ 77.265461][ T83] ? _raw_spin_lock+0x94/0xf0 [ 77.270142][ T83] ? _raw_spin_trylock_bh+0x150/0x150 [ 77.275524][ T83] unix_dgram_sendmsg+0x6f3/0x18f0 [ 77.280653][ T83] ? unix_dgram_poll+0x640/0x640 [ 77.285593][ T83] ? cap_capable+0x19c/0x220 [ 77.290190][ T83] ? security_socket_sendmsg+0x82/0xa0 [ 77.295659][ T83] __sys_sendto+0x467/0x620 [ 77.300175][ T83] ? __ia32_sys_getpeername+0x90/0x90 [ 77.305571][ T83] ? fpu__clear_all+0x20/0x20 [ 77.310264][ T83] __x64_sys_sendto+0xe5/0x100 [ 77.315060][ T83] do_syscall_64+0x31/0x40 [ 77.319482][ T83] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 77.325383][ T83] RIP: 0033:0x7f88b6e1b407 [ 77.329812][ T83] 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 [ 77.349430][ T83] RSP: 002b:00007ffe1fc5a930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 77.357864][ T83] RAX: ffffffffffffffda RBX: 00007f88b6ccbc80 RCX: 00007f88b6e1b407 [ 77.365849][ T83] RDX: 000000000000004f RSI: 00007ffe1fc5aa70 RDI: 0000000000000003 [ 77.373832][ T83] RBP: 00007ffe1fc5aea0 R08: 0000000000000000 R09: 0000000000000000 [ 77.381856][ T83] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe1fc5aeb8 [ 77.389840][ T83] R13: 00007ffe1fc5aa70 R14: 0000000000000034 R15: 00007ffe1fc5aa70 [ 77.397861][ T384] CPU: 1 PID: 384 Comm: kworker/1:15 Not tainted syzkaller #0 [ 77.405360][ T384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 77.415434][ T384] Workqueue: ipv6_addrconf addrconf_dad_work [ 77.421526][ T384] Call Trace: [ 77.424851][ T384] __dump_stack+0x21/0x24 [ 77.429211][ T384] dump_stack_lvl+0x1a7/0x208 [ 77.433914][ T384] ? show_regs_print_info+0x18/0x18 [ 77.439149][ T384] ? prandom_u32+0x24d/0x290 [ 77.443751][ T384] dump_stack+0x15/0x1c [ 77.447923][ T384] should_fail+0x3ab/0x500 [ 77.452356][ T384] ? __alloc_skb+0x9e/0x520 [ 77.456877][ T384] __should_failslab+0xa4/0xe0 [ 77.461650][ T384] should_failslab+0x9/0x20 [ 77.466166][ T384] kmem_cache_alloc+0x3d/0x2d0 [ 77.470946][ T384] __alloc_skb+0x9e/0x520 [ 77.475305][ T384] ndisc_send_ns+0x347/0xb10 [ 77.479955][ T384] ? __queue_delayed_work+0x173/0x200 [ 77.485339][ T384] ? ndisc_send_skb+0xbc0/0xbc0 [ 77.490197][ T384] ? mod_delayed_work_on+0x91/0xd0 [ 77.495331][ T384] addrconf_dad_work+0xa40/0x1480 [ 77.500371][ T384] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 77.505675][ T384] ? __kasan_check_write+0x14/0x20 [ 77.510817][ T384] ? pwq_activate_delayed_work+0x2ea/0x3f0 [ 77.516668][ T384] ? __kasan_check_read+0x11/0x20 [ 77.521718][ T384] ? read_word_at_a_time+0x12/0x20 [ 77.526872][ T384] ? strscpy+0x9b/0x290 [ 77.531041][ T384] process_one_work+0x6fd/0xbc0 [ 77.535907][ T384] worker_thread+0xa8e/0x13c0 [ 77.540624][ T384] kthread+0x324/0x3b0 [ 77.544700][ T384] ? worker_clr_flags+0x190/0x190 [ 77.547824][ T57] FAULT_INJECTION: forcing a failure. [ 77.547824][ T57] name failslab, interval 1, probability 10, space 0, times 46 [ 77.549771][ T384] ? kthread_blkcg+0xd0/0xd0 [ 77.567091][ T384] ret_from_fork+0x1f/0x30 [ 77.571550][ T390] CPU: 0 PID: 390 Comm: syz-executor Not tainted syzkaller #0 [ 77.571995][ T133] FAULT_INJECTION: forcing a failure. [ 77.571995][ T133] name failslab, interval 1, probability 10, space 0, times 45 [ 77.579020][ T390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 77.579024][ T390] Call Trace: [ 77.579042][ T390] __dump_stack+0x21/0x24 [ 77.579087][ T390] dump_stack_lvl+0x1a7/0x208 [ 77.614186][ T390] ? show_regs_print_info+0x18/0x18 [ 77.619393][ T390] dump_stack+0x15/0x1c [ 77.623558][ T390] should_fail+0x3ab/0x500 [ 77.627987][ T390] ? __alloc_file+0x28/0x320 [ 77.632594][ T390] __should_failslab+0xa4/0xe0 [ 77.637374][ T390] should_failslab+0x9/0x20 [ 77.641887][ T390] kmem_cache_alloc+0x3d/0x2d0 [ 77.646661][ T390] __alloc_file+0x28/0x320 [ 77.651091][ T390] alloc_empty_file+0x97/0x180 [ 77.655871][ T390] path_openat+0xf4/0x3040 [ 77.660303][ T390] ? __kasan_slab_alloc+0xc9/0xe0 [ 77.665340][ T390] ? __kasan_slab_alloc+0xb7/0xe0 [ 77.670388][ T390] ? kmem_cache_alloc+0x15a/0x2d0 [ 77.675424][ T390] ? getname_flags+0xba/0x510 [ 77.680123][ T390] ? getname+0x19/0x20 [ 77.684199][ T390] ? do_sys_openat2+0xde/0x750 [ 77.688976][ T390] ? __x64_sys_openat+0x136/0x160 [ 77.694013][ T390] ? do_syscall_64+0x31/0x40 [ 77.698647][ T390] ? do_filp_open+0x400/0x400 [ 77.703341][ T390] do_filp_open+0x1df/0x400 [ 77.707852][ T390] ? vfs_tmpfile+0x2c0/0x2c0 [ 77.712463][ T390] ? get_unused_fd_flags+0x92/0xa0 [ 77.717581][ T390] do_sys_openat2+0x19f/0x750 [ 77.722287][ T390] ? do_sys_open+0xe0/0xe0 [ 77.726733][ T390] ? user_path_at_empty+0x43/0x50 [ 77.728304][ T381] FAULT_INJECTION: forcing a failure. [ 77.728304][ T381] name failslab, interval 1, probability 10, space 0, times 44 [ 77.731770][ T390] __x64_sys_openat+0x136/0x160 [ 77.731814][ T390] do_syscall_64+0x31/0x40 [ 77.753830][ T390] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 77.759746][ T390] RIP: 0033:0x7f059ae441bc [ 77.764172][ T390] Code: 4c 89 54 24 18 41 89 f2 41 83 e2 40 75 40 89 f0 f7 d0 a9 00 00 41 00 74 35 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 44 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 [ 77.783792][ T390] RSP: 002b:00007ffff0235ef0 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 77.792219][ T390] RAX: ffffffffffffffda RBX: 00007f059aeda30a RCX: 00007f059ae441bc [ 77.800204][ T390] RDX: 0000000000090800 RSI: 00007ffff02370a0 RDI: 00000000ffffff9c [ 77.808283][ T390] RBP: 00007ffff023708c R08: 0000000000000000 R09: 0000000000000000 [ 77.816275][ T390] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff02370a0 [ 77.824276][ T390] R13: 00007f059aeda30a R14: 000000000000deae R15: 00007ffff02370e0 [ 77.832272][ T381] CPU: 1 PID: 381 Comm: kworker/1:13 Not tainted syzkaller #0 [ 77.839751][ T381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 77.849832][ T381] Workqueue: ipv6_addrconf addrconf_dad_work [ 77.855826][ T381] Call Trace: [ 77.859155][ T381] __dump_stack+0x21/0x24 [ 77.863497][ T381] dump_stack_lvl+0x1a7/0x208 [ 77.868186][ T381] ? show_regs_print_info+0x18/0x18 [ 77.873421][ T381] ? prandom_u32+0x24d/0x290 [ 77.878021][ T381] dump_stack+0x15/0x1c [ 77.882187][ T381] should_fail+0x3ab/0x500 [ 77.886615][ T381] ? __alloc_skb+0x9e/0x520 [ 77.891128][ T381] __should_failslab+0xa4/0xe0 [ 77.895919][ T381] should_failslab+0x9/0x20 [ 77.900430][ T381] kmem_cache_alloc+0x3d/0x2d0 [ 77.905203][ T381] ? _raw_spin_lock+0xf0/0xf0 [ 77.909889][ T381] __alloc_skb+0x9e/0x520 [ 77.914232][ T381] ? __kasan_check_read+0x11/0x20 [ 77.919268][ T381] __ipv6_ifa_notify+0x200/0xe70 [ 77.924219][ T381] ? try_to_wake_up+0x64e/0xdf0 [ 77.929112][ T381] ? inet6_fill_ifla6_attrs+0x22c0/0x22c0 [ 77.934869][ T381] ? __kasan_check_write+0x14/0x20 [ 77.939995][ T381] ? try_to_grab_pending+0x1ab/0x570 [ 77.945294][ T381] ? __mutex_lock+0x9b6/0xc40 [ 77.949979][ T381] ? mod_delayed_work_on+0xd0/0xd0 [ 77.955100][ T381] ? __kasan_check_write+0x14/0x20 [ 77.960224][ T381] ? __cancel_work+0x179/0x1e0 [ 77.965001][ T381] addrconf_dad_completed+0x18c/0xe30 [ 77.970388][ T381] ? __kasan_check_write+0x14/0x20 [ 77.975511][ T381] ? addrconf_dad_stop+0x450/0x450 [ 77.980636][ T381] addrconf_dad_work+0xc5f/0x1480 [ 77.985676][ T381] ? _raw_spin_unlock_irq+0x4e/0x70 [ 77.990905][ T381] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 77.996204][ T381] ? __kasan_check_write+0x14/0x20 [ 78.001328][ T381] ? pwq_activate_delayed_work+0x2ea/0x3f0 [ 78.007146][ T381] ? __kasan_check_read+0x11/0x20 [ 78.012180][ T381] ? read_word_at_a_time+0x12/0x20 [ 78.017301][ T381] ? strscpy+0x9b/0x290 [ 78.021478][ T381] process_one_work+0x6fd/0xbc0 [ 78.026346][ T381] worker_thread+0xa8e/0x13c0 [ 78.031047][ T381] kthread+0x324/0x3b0 [ 78.035128][ T381] ? worker_clr_flags+0x190/0x190 [ 78.040160][ T381] ? kthread_blkcg+0xd0/0xd0 [ 78.044769][ T381] ret_from_fork+0x1f/0x30 [ 78.049212][ T57] CPU: 0 PID: 57 Comm: jbd2/sda1-8 Not tainted syzkaller #0 [ 78.056521][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 78.066589][ T57] Call Trace: [ 78.069904][ T57] __dump_stack+0x21/0x24 [ 78.074251][ T57] dump_stack_lvl+0x1a7/0x208 [ 78.078941][ T57] ? show_regs_print_info+0x18/0x18 [ 78.084145][ T57] ? prandom_u32+0x24d/0x290 [ 78.088745][ T57] dump_stack+0x15/0x1c [ 78.092909][ T57] should_fail+0x3ab/0x500 [ 78.097341][ T57] ? mempool_alloc_slab+0x1d/0x30 [ 78.102383][ T57] __should_failslab+0xa4/0xe0 [ 78.107173][ T57] should_failslab+0x9/0x20 [ 78.111683][ T57] kmem_cache_alloc+0x3d/0x2d0 [ 78.116461][ T57] ? mempool_alloc_slab+0x1d/0x30 [ 78.121498][ T57] mempool_alloc_slab+0x1d/0x30 [ 78.126354][ T57] ? mempool_free+0x330/0x330 [ 78.131053][ T57] mempool_alloc+0x128/0x490 [ 78.135670][ T57] ? fscrypt_set_bio_crypt_ctx+0x179/0x4f0 [ 78.141491][ T57] ? mempool_resize+0x880/0x880 [ 78.146357][ T57] ? submit_bio+0x342/0x710 [ 78.150868][ T57] ? __kasan_check_read+0x11/0x20 [ 78.156030][ T57] ? __bio_add_page+0x26e/0x430 [ 78.160902][ T57] ? submit_bio_checks+0x1620/0x1620 [ 78.166211][ T57] bio_alloc_bioset+0x196/0x570 [ 78.171086][ T57] ? __disk_get_part+0x75/0xd0 [ 78.175861][ T57] submit_bh_wbc+0x1c6/0x6e0 [ 78.180461][ T57] submit_bh+0x2a/0x40 [ 78.184577][ T57] jbd2_journal_commit_transaction+0x262b/0x57a0 [ 78.190917][ T57] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 78.197688][ T57] ? compat_start_thread+0x80/0x80 [ 78.202812][ T57] ? __kasan_check_write+0x14/0x20 [ 78.207949][ T57] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 78.213417][ T57] ? __schedule+0xc0b/0x13e0 [ 78.218023][ T57] ? __kasan_check_write+0x14/0x20 [ 78.223142][ T57] ? detach_if_pending+0x18f/0x300 [ 78.228275][ T57] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 78.234092][ T57] ? del_timer_sync+0x144/0x1a0 [ 78.238954][ T57] kjournald2+0x43d/0x850 [ 78.243305][ T57] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 78.248511][ T57] ? io_schedule+0xe0/0xe0 [ 78.252938][ T57] ? __kasan_check_read+0x11/0x20 [ 78.258000][ T57] ? __kthread_parkme+0xb3/0x1b0 [ 78.262962][ T57] kthread+0x324/0x3b0 [ 78.267047][ T57] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 78.272258][ T57] ? kthread_blkcg+0xd0/0xd0 [ 78.276855][ T57] ret_from_fork+0x1f/0x30 [ 78.281326][ T133] CPU: 1 PID: 133 Comm: dhcpcd Not tainted syzkaller #0 [ 78.281652][ T83] FAULT_INJECTION: forcing a failure. [ 78.281652][ T83] name failslab, interval 1, probability 10, space 0, times 42 [ 78.288275][ T133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 78.288280][ T133] Call Trace: [ 78.288295][ T133] __dump_stack+0x21/0x24 [ 78.288341][ T133] dump_stack_lvl+0x1a7/0x208 [ 78.323424][ T133] ? thaw_kernel_threads+0x220/0x220 [ 78.328727][ T133] ? show_regs_print_info+0x18/0x18 [ 78.333935][ T133] ? prandom_u32+0x24d/0x290 [ 78.338537][ T133] dump_stack+0x15/0x1c [ 78.342700][ T133] should_fail+0x3ab/0x500 [ 78.347128][ T133] ? alloc_skb_with_frags+0xa3/0x560 [ 78.352443][ T133] __should_failslab+0xa4/0xe0 [ 78.357251][ T133] should_failslab+0x9/0x20 [ 78.361775][ T133] __kmalloc_track_caller+0x5f/0x310 [ 78.367078][ T133] ? kmem_cache_alloc+0x15a/0x2d0 [ 78.372112][ T133] ? __alloc_skb+0x9e/0x520 [ 78.376631][ T133] ? alloc_skb_with_frags+0xa3/0x560 [ 78.381955][ T133] __alloc_skb+0xdc/0x520 [ 78.386317][ T133] alloc_skb_with_frags+0xa3/0x560 [ 78.391459][ T133] ? unix_dgram_sendmsg+0x2a7/0x18f0 [ 78.396757][ T133] sock_alloc_send_pskb+0x87f/0x9a0 [ 78.401967][ T133] ? sock_kzfree_s+0x60/0x60 [ 78.406565][ T133] ? __kasan_check_write+0x14/0x20 [ 78.411699][ T133] ? _raw_spin_lock+0x94/0xf0 [ 78.416389][ T133] ? _raw_spin_trylock_bh+0x150/0x150 [ 78.421773][ T133] unix_dgram_sendmsg+0x6f3/0x18f0 [ 78.426895][ T133] ? selinux_socket_sendmsg+0x22f/0x340 [ 78.432455][ T133] ? selinux_socket_accept+0x570/0x570 [ 78.437930][ T133] ? unix_dgram_poll+0x640/0x640 [ 78.442875][ T133] ? file_has_perm+0x52d/0x700 [ 78.447656][ T133] unix_seqpacket_sendmsg+0x118/0x1e0 [ 78.453048][ T133] sock_write_iter+0x2a6/0x3a0 [ 78.457834][ T133] ? sock_read_iter+0x380/0x380 [ 78.462719][ T133] ? security_file_permission+0x83/0xa0 [ 78.468284][ T133] ? iov_iter_init+0x3f/0x120 [ 78.472974][ T133] vfs_write+0x770/0xd70 [ 78.477236][ T133] ? do_writev+0x2c0/0x2c0 [ 78.481130][ T300] FAULT_INJECTION: forcing a failure. [ 78.481130][ T300] name failslab, interval 1, probability 10, space 0, times 40 [ 78.481662][ T133] ? kernel_write+0x3c0/0x3c0 [ 78.481717][ T133] ? __kasan_check_read+0x11/0x20 [ 78.504153][ T133] ? __fdget_pos+0x1f7/0x380 [ 78.508754][ T133] ksys_write+0x14a/0x260 [ 78.513091][ T133] ? __ia32_sys_read+0x90/0x90 [ 78.517882][ T133] __x64_sys_write+0x7b/0x90 [ 78.522483][ T133] do_syscall_64+0x31/0x40 [ 78.526915][ T133] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 78.532814][ T133] RIP: 0033:0x7f03e2e07407 [ 78.537241][ T133] 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 [ 78.556855][ T133] RSP: 002b:00007ffe9f289900 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 78.565281][ T133] RAX: ffffffffffffffda RBX: 00007f03e2d7d740 RCX: 00007f03e2e07407 [ 78.573267][ T133] RDX: 0000000000000030 RSI: 00007ffe9f289960 RDI: 0000000000000005 [ 78.581253][ T133] RBP: 00005555ec2d9301 R08: 0000000000000000 R09: 0000000000000000 [ 78.589242][ T133] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe9f289d90 [ 78.597222][ T133] R13: 0000000000000069 R14: 00007ffe9f28a2c0 R15: 00007ffe9f289e70 [ 78.605217][ T83] CPU: 0 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 78.612024][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 78.622095][ T83] Call Trace: [ 78.625426][ T83] __dump_stack+0x21/0x24 [ 78.629765][ T83] dump_stack_lvl+0x1a7/0x208 [ 78.634454][ T83] ? show_regs_print_info+0x18/0x18 [ 78.639673][ T83] ? prandom_u32+0x24d/0x290 [ 78.644274][ T83] dump_stack+0x15/0x1c [ 78.648464][ T83] should_fail+0x3ab/0x500 [ 78.652918][ T83] ? selinux_sk_alloc_security+0x63/0x140 [ 78.658652][ T83] __should_failslab+0xa4/0xe0 [ 78.663421][ T83] should_failslab+0x9/0x20 [ 78.667944][ T83] kmem_cache_alloc_trace+0x3a/0x2e0 [ 78.673244][ T83] selinux_sk_alloc_security+0x63/0x140 [ 78.678801][ T83] security_sk_alloc+0x72/0xa0 [ 78.683576][ T83] sk_prot_alloc+0x12e/0x340 [ 78.688178][ T83] sk_alloc+0x38/0x4e0 [ 78.692397][ T83] unix_create1+0x8d/0x5f0 [ 78.696816][ T83] unix_create+0x135/0x1c0 [ 78.701247][ T83] __sock_create+0x38d/0x770 [ 78.705848][ T83] __sys_socket+0xec/0x190 [ 78.710271][ T83] __x64_sys_socket+0x7a/0x90 [ 78.714958][ T83] do_syscall_64+0x31/0x40 [ 78.719380][ T83] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 78.725280][ T83] RIP: 0033:0x7f88b6e96707 [ 78.729709][ T83] 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 [ 78.749420][ T83] RSP: 002b:00007ffe1fc5a948 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 78.757846][ T83] RAX: ffffffffffffffda RBX: 000000000000004f RCX: 00007f88b6e96707 [ 78.765831][ T83] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 78.773808][ T83] RBP: 00007f88b6f22560 R08: 0000000000000000 R09: 0000000000000000 [ 78.781788][ T83] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 78.789792][ T83] R13: 00007ffe1fc5aa70 R14: 0000000000000034 R15: 00007ffe1fc5aa70 [ 78.798049][ T57] FAULT_INJECTION: forcing a failure. [ 78.798049][ T57] name failslab, interval 1, probability 10, space 0, times 39 [ 78.810912][ T377] FAULT_INJECTION: forcing a failure. [ 78.810912][ T377] name failslab, interval 1, probability 10, space 0, times 38 [ 78.817769][ T300] CPU: 1 PID: 300 Comm: udevd Not tainted syzkaller #0 [ 78.830540][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 78.840613][ T300] Call Trace: [ 78.843923][ T300] __dump_stack+0x21/0x24 [ 78.848267][ T300] dump_stack_lvl+0x1a7/0x208 [ 78.852961][ T300] ? show_regs_print_info+0x18/0x18 [ 78.858169][ T300] ? prandom_u32+0x24d/0x290 [ 78.862770][ T300] dump_stack+0x15/0x1c [ 78.866946][ T300] should_fail+0x3ab/0x500 [ 78.871378][ T300] ? __alloc_skb+0x9e/0x520 [ 78.875893][ T300] __should_failslab+0xa4/0xe0 [ 78.880674][ T300] should_failslab+0x9/0x20 [ 78.885187][ T300] kmem_cache_alloc+0x3d/0x2d0 [ 78.889959][ T300] __alloc_skb+0x9e/0x520 [ 78.894296][ T300] ? netlink_allowed+0xf0/0x140 [ 78.899160][ T300] netlink_sendmsg+0x693/0xb70 [ 78.903955][ T300] ? netlink_getsockopt+0x530/0x530 [ 78.909169][ T300] ? kasan_record_aux_stack_noalloc+0xb/0x10 [ 78.915166][ T300] ? security_socket_sendmsg+0x82/0xa0 [ 78.920635][ T300] ? netlink_getsockopt+0x530/0x530 [ 78.925847][ T300] ____sys_sendmsg+0x5be/0x8f0 [ 78.930651][ T300] ? __sys_sendmsg_sock+0x40/0x40 [ 78.935687][ T300] ? import_iovec+0x7c/0xb0 [ 78.940201][ T300] ___sys_sendmsg+0x236/0x2e0 [ 78.944889][ T300] ? __sys_sendmsg+0x280/0x280 [ 78.949698][ T300] ? __kasan_slab_free+0x11/0x20 [ 78.954662][ T300] ? __kasan_check_read+0x11/0x20 [ 78.959696][ T300] ? __fdget+0x15b/0x230 [ 78.963972][ T300] __x64_sys_sendmsg+0x201/0x2d0 [ 78.968928][ T300] ? ___sys_sendmsg+0x2e0/0x2e0 [ 78.973793][ T300] ? debug_smp_processor_id+0x17/0x20 [ 78.979184][ T300] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 78.985267][ T300] ? exit_to_user_mode_prepare+0x2f/0xa0 [ 78.990943][ T300] do_syscall_64+0x31/0x40 [ 78.995375][ T300] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 79.001274][ T300] RIP: 0033:0x7fb3d89a5407 [ 79.005710][ T300] 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 [ 79.025328][ T300] RSP: 002b:00007ffe4691a610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 79.033771][ T300] RAX: ffffffffffffffda RBX: 00007fb3d88b7880 RCX: 00007fb3d89a5407 [ 79.041759][ T300] RDX: 0000000000000000 RSI: 00007ffe4691a670 RDI: 000000000000000c [ 79.049740][ T300] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 79.057760][ T300] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000000a5 [ 79.065746][ T300] R13: 000055c1e4a06bd0 R14: 0000000000000000 R15: 000055c1e4a09550 [ 79.073742][ T377] CPU: 0 PID: 377 Comm: kworker/0:11 Not tainted syzkaller #0 [ 79.074208][ T94] FAULT_INJECTION: forcing a failure. [ 79.074208][ T94] name failslab, interval 1, probability 10, space 0, times 37 [ 79.081213][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 79.081228][ T377] Workqueue: ipv6_addrconf addrconf_dad_work [ 79.110131][ T377] Call Trace: [ 79.113437][ T377] __dump_stack+0x21/0x24 [ 79.117784][ T377] dump_stack_lvl+0x1a7/0x208 [ 79.122478][ T377] ? show_regs_print_info+0x18/0x18 [ 79.127700][ T377] ? prandom_u32+0x24d/0x290 [ 79.132299][ T377] dump_stack+0x15/0x1c [ 79.136470][ T377] should_fail+0x3ab/0x500 [ 79.140899][ T377] ? __alloc_skb+0x9e/0x520 [ 79.145418][ T377] __should_failslab+0xa4/0xe0 [ 79.150193][ T377] should_failslab+0x9/0x20 [ 79.154832][ T377] kmem_cache_alloc+0x3d/0x2d0 [ 79.159623][ T377] __alloc_skb+0x9e/0x520 [ 79.163970][ T377] inet6_rt_notify+0x293/0x480 [ 79.168753][ T377] ? rt6_nh_dump_exceptions+0x6b0/0x6b0 [ 79.174313][ T377] ? call_fib_notifiers+0xa0/0xc0 [ 79.179392][ T377] fib6_add+0x2174/0x3c60 [ 79.183732][ T377] ? fib6_update_sernum_stub+0x190/0x190 [ 79.189382][ T377] ? __kasan_check_write+0x14/0x20 [ 79.194505][ T377] ? _raw_spin_lock_bh+0x94/0xf0 [ 79.199493][ T377] ip6_ins_rt+0xd3/0x130 [ 79.203750][ T377] ? rt6_lookup+0x220/0x220 [ 79.208268][ T377] ? rtnl_notify+0x9a/0xc0 [ 79.212699][ T377] __ipv6_ifa_notify+0x4df/0xe70 [ 79.217648][ T377] ? inet6_fill_ifla6_attrs+0x22c0/0x22c0 [ 79.223380][ T377] ? __kasan_check_write+0x14/0x20 [ 79.228506][ T377] ? _raw_spin_lock+0x94/0xf0 [ 79.233198][ T377] ? _raw_spin_trylock_bh+0x150/0x150 [ 79.238599][ T377] ? __kasan_check_write+0x14/0x20 [ 79.243720][ T377] ? try_to_grab_pending+0x1ab/0x570 [ 79.249036][ T377] ? __mutex_lock+0x840/0xc40 [ 79.253727][ T377] ? mod_delayed_work_on+0xd0/0xd0 [ 79.258858][ T377] ? __kasan_check_write+0x14/0x20 [ 79.263977][ T377] ? __cancel_work+0x179/0x1e0 [ 79.268768][ T377] addrconf_dad_completed+0x18c/0xe30 [ 79.274146][ T377] ? __kasan_check_write+0x14/0x20 [ 79.279265][ T377] ? addrconf_dad_stop+0x450/0x450 [ 79.284389][ T377] addrconf_dad_work+0xc5f/0x1480 [ 79.289427][ T377] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 79.294728][ T377] ? __kasan_check_read+0x11/0x20 [ 79.299766][ T377] ? read_word_at_a_time+0x12/0x20 [ 79.304916][ T377] ? strscpy+0x9b/0x290 [ 79.309087][ T377] process_one_work+0x6fd/0xbc0 [ 79.313947][ T377] worker_thread+0xa8e/0x13c0 [ 79.318644][ T377] kthread+0x324/0x3b0 [ 79.322722][ T377] ? worker_clr_flags+0x190/0x190 [ 79.327763][ T377] ? kthread_blkcg+0xd0/0xd0 [ 79.332361][ T377] ret_from_fork+0x1f/0x30 [ 79.336834][ T94] CPU: 1 PID: 94 Comm: udevd Not tainted syzkaller #0 [ 79.338680][ T377] FAULT_INJECTION: forcing a failure. [ 79.338680][ T377] name failslab, interval 1, probability 10, space 0, times 36 [ 79.343635][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 79.366588][ T94] Call Trace: [ 79.369896][ T94] __dump_stack+0x21/0x24 [ 79.374235][ T94] dump_stack_lvl+0x1a7/0x208 [ 79.378923][ T94] ? thaw_kernel_threads+0x220/0x220 [ 79.384218][ T94] ? show_regs_print_info+0x18/0x18 [ 79.389460][ T94] ? prandom_u32+0x24d/0x290 [ 79.394068][ T94] dump_stack+0x15/0x1c [ 79.398248][ T94] should_fail+0x3ab/0x500 [ 79.402674][ T94] ? getname_flags+0xba/0x510 [ 79.407363][ T94] __should_failslab+0xa4/0xe0 [ 79.412139][ T94] should_failslab+0x9/0x20 [ 79.416743][ T94] kmem_cache_alloc+0x3d/0x2d0 [ 79.421522][ T94] getname_flags+0xba/0x510 [ 79.426066][ T94] user_path_at_empty+0x2f/0x50 [ 79.430926][ T94] vfs_statx+0x10a/0x530 [ 79.435182][ T94] ? __kasan_check_write+0x14/0x20 [ 79.440299][ T94] ? mutex_unlock+0x1c/0x40 [ 79.444818][ T94] ? ep_scan_ready_list+0x5b2/0x600 [ 79.450036][ T94] ? vfs_fstatat+0x40/0x40 [ 79.454470][ T94] __se_sys_newfstatat+0x10e/0x3d0 [ 79.459594][ T94] ? __x64_sys_newfstatat+0xb0/0xb0 [ 79.464821][ T94] ? do_epoll_wait+0x826/0xed0 [ 79.469599][ T94] ? ep_destroy_wakeup_source+0x50/0x50 [ 79.475165][ T94] ? fpu__clear_all+0x20/0x20 [ 79.479852][ T94] ? __kasan_check_read+0x11/0x20 [ 79.484894][ T94] __x64_sys_newfstatat+0x9b/0xb0 [ 79.489929][ T94] do_syscall_64+0x31/0x40 [ 79.494360][ T94] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 79.500258][ T94] RIP: 0033:0x7fb3d8a0fb0a [ 79.504684][ T94] 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 [ 79.524303][ T94] RSP: 002b:00007ffe4691a808 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 79.532730][ T94] RAX: ffffffffffffffda RBX: 000055c1cd580400 RCX: 00007fb3d8a0fb0a [ 79.540712][ T94] RDX: 00007ffe4691a810 RSI: 000055c1cd56e296 RDI: 00000000ffffff9c [ 79.548693][ T94] RBP: 000055c1e49f9658 R08: 0000000004b6281c R09: 0001d3685554cf0a [ 79.556676][ T94] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 79.564690][ T94] R13: 00007ffe4691a810 R14: 0000000000000000 R15: 0000000000000000 [ 79.572729][ T377] CPU: 0 PID: 377 Comm: kworker/0:11 Not tainted syzkaller #0 [ 79.580207][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 79.590286][ T377] Workqueue: ipv6_addrconf addrconf_dad_work [ 79.596335][ T377] Call Trace: [ 79.599643][ T377] __dump_stack+0x21/0x24 [ 79.603988][ T377] dump_stack_lvl+0x1a7/0x208 [ 79.608723][ T377] ? thaw_kernel_threads+0x220/0x220 [ 79.614024][ T377] ? show_regs_print_info+0x18/0x18 [ 79.619237][ T377] ? prandom_u32+0x24d/0x290 [ 79.623841][ T377] dump_stack+0x15/0x1c [ 79.628008][ T377] should_fail+0x3ab/0x500 [ 79.628379][ T83] FAULT_INJECTION: forcing a failure. [ 79.628379][ T83] name failslab, interval 1, probability 10, space 0, times 35 [ 79.632488][ T377] ? alloc_skb_with_frags+0xa3/0x560 [ 79.650497][ T377] __should_failslab+0xa4/0xe0 [ 79.655312][ T377] should_failslab+0x9/0x20 [ 79.659955][ T377] __kmalloc_track_caller+0x5f/0x310 [ 79.665254][ T377] ? kmem_cache_alloc+0x15a/0x2d0 [ 79.667666][ C1] FAULT_INJECTION: forcing a failure. [ 79.667666][ C1] name failslab, interval 1, probability 10, space 0, times 35 [ 79.670349][ T377] ? __alloc_skb+0x9e/0x520 [ 79.687576][ T377] ? alloc_skb_with_frags+0xa3/0x560 [ 79.692871][ T377] __alloc_skb+0xdc/0x520 [ 79.697219][ T377] alloc_skb_with_frags+0xa3/0x560 [ 79.702341][ T377] sock_alloc_send_pskb+0x87f/0x9a0 [ 79.707554][ T377] ? sock_kzfree_s+0x60/0x60 [ 79.712186][ T377] ? __local_bh_enable_ip+0x53/0x80 [ 79.717396][ T377] ? ip6_ins_rt+0xdd/0x130 [ 79.721822][ T377] ? rt6_lookup+0x220/0x220 [ 79.726349][ T377] sock_alloc_send_skb+0x32/0x40 [ 79.731494][ T377] mld_newpack+0x1b3/0x9e0 [ 79.735929][ T377] ? try_to_wake_up+0x64e/0xdf0 [ 79.740819][ T377] ? mld_sendpack+0xb00/0xb00 [ 79.745522][ T377] ? inet6_fill_ifla6_attrs+0x22c0/0x22c0 [ 79.751255][ T377] add_grec+0xedf/0x1330 [ 79.755518][ T377] ? __kasan_check_write+0x14/0x20 [ 79.760645][ T377] ? _raw_spin_lock_bh+0x94/0xf0 [ 79.765595][ T377] ? _raw_spin_lock_irq+0xf0/0xf0 [ 79.770635][ T377] ? mod_delayed_work_on+0xd0/0xd0 [ 79.775759][ T377] mld_send_initial_cr+0x1f1/0x2b0 [ 79.780884][ T377] ipv6_mc_dad_complete+0x76/0x3c0 [ 79.786009][ T377] addrconf_dad_completed+0x74c/0xe30 [ 79.791395][ T377] ? addrconf_dad_stop+0x450/0x450 [ 79.796546][ T377] addrconf_dad_work+0xc5f/0x1480 [ 79.801597][ T377] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 79.806896][ T377] ? __kasan_check_write+0x14/0x20 [ 79.812030][ T377] ? pwq_activate_delayed_work+0x2ea/0x3f0 [ 79.817870][ T377] ? __kasan_check_read+0x11/0x20 [ 79.822922][ T377] ? read_word_at_a_time+0x12/0x20 [ 79.828049][ T377] ? strscpy+0x9b/0x290 [ 79.832216][ T377] process_one_work+0x6fd/0xbc0 [ 79.837081][ T377] worker_thread+0xa8e/0x13c0 [ 79.841771][ T377] kthread+0x324/0x3b0 [ 79.845885][ T377] ? worker_clr_flags+0x190/0x190 [ 79.850927][ T377] ? kthread_blkcg+0xd0/0xd0 [ 79.855531][ T377] ret_from_fork+0x1f/0x30 [ 79.859963][ C1] CPU: 1 PID: 57 Comm: jbd2/sda1-8 Not tainted syzkaller #0 [ 79.860129][ T377] FAULT_INJECTION: forcing a failure. [ 79.860129][ T377] name failslab, interval 1, probability 10, space 0, times 34 [ 79.867291][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 79.890080][ C1] Call Trace: [ 79.893375][ C1] [ 79.896279][ C1] __dump_stack+0x21/0x24 [ 79.900624][ C1] dump_stack_lvl+0x1a7/0x208 [ 79.905316][ C1] ? show_regs_print_info+0x18/0x18 [ 79.910535][ C1] dump_stack+0x15/0x1c [ 79.914707][ C1] should_fail+0x3ab/0x500 [ 79.919148][ C1] ? dst_alloc+0x176/0x4f0 [ 79.923579][ C1] __should_failslab+0xa4/0xe0 [ 79.928358][ C1] should_failslab+0x9/0x20 [ 79.932881][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 79.937662][ C1] dst_alloc+0x176/0x4f0 [ 79.941918][ C1] icmp6_dst_alloc+0xec/0x520 [ 79.946606][ C1] ? security_sk_classify_flow+0x7b/0x90 [ 79.952256][ C1] ? icmpv6_flow_init+0xd2/0x130 [ 79.957234][ C1] mld_sendpack+0x4d6/0xb00 [ 79.961752][ C1] ? add_grec+0x1330/0x1330 [ 79.966272][ C1] ? add_grec+0xf67/0x1330 [ 79.970702][ C1] ? memcpy+0x56/0x70 [ 79.974701][ C1] ? __kasan_check_write+0x14/0x20 [ 79.979824][ C1] ? _raw_spin_lock_bh+0x94/0xf0 [ 79.984778][ C1] mld_send_initial_cr+0x246/0x2b0 [ 79.989908][ C1] mld_dad_timer_expire+0x2b/0x410 [ 79.995034][ C1] ? mld_ifc_timer_expire+0xc60/0xc60 [ 80.000444][ C1] call_timer_fn+0x38/0x290 [ 80.004986][ C1] ? mld_ifc_timer_expire+0xc60/0xc60 [ 80.010373][ C1] __run_timers+0x637/0x9a0 [ 80.014893][ C1] ? calc_index+0x200/0x200 [ 80.019409][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 80.024278][ C1] run_timer_softirq+0x6a/0xf0 [ 80.029052][ C1] __do_softirq+0x255/0x563 [ 80.033565][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 80.039124][ C1] asm_call_irq_on_stack+0xf/0x20 [ 80.044157][ C1] [ 80.047109][ C1] do_softirq_own_stack+0x60/0x80 [ 80.052164][ C1] __irq_exit_rcu+0x128/0x150 [ 80.056853][ C1] irq_exit_rcu+0x9/0x10 [ 80.061118][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 80.066761][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 80.072784][ C1] RIP: 0010:dump_stack_lvl+0x115/0x208 [ 80.078260][ C1] Code: 00 00 48 89 5c 24 18 ff 74 24 18 9d f3 90 48 c7 c7 60 f5 76 86 be 04 00 00 00 e8 3e aa 25 fd 8b 05 38 85 fd 01 83 f8 ff 74 07 2e 33 eb fc eb db 43 c6 04 2c 00 48 c7 44 24 40 00 00 00 00 9c [ 80.097879][ C1] RSP: 0018:ffffc90000ad73c0 EFLAGS: 00000213 [ 80.103955][ C1] RAX: 0000000000000000 RBX: 0000000000000293 RCX: ffffffff84797022 [ 80.111938][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 80.119945][ C1] RBP: ffffc90000ad7480 R08: 0000000000000003 R09: 0000000000000004 [ 80.127943][ C1] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff9200015ae7c [ 80.135922][ C1] R13: dffffc0000000004 R14: 0000000000000001 R15: 0000000000000000 [ 80.143912][ C1] ? dump_stack_lvl+0x10a/0x208 [ 80.148783][ C1] ? show_regs_print_info+0x18/0x18 [ 80.153994][ C1] ? prandom_u32+0x24d/0x290 [ 80.158595][ C1] dump_stack+0x15/0x1c [ 80.162765][ C1] should_fail+0x3ab/0x500 [ 80.167194][ C1] ? mempool_alloc_slab+0x1d/0x30 [ 80.172235][ C1] __should_failslab+0xa4/0xe0 [ 80.177007][ C1] should_failslab+0x9/0x20 [ 80.181521][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 80.186305][ C1] mempool_alloc_slab+0x1d/0x30 [ 80.191176][ C1] ? mempool_free+0x330/0x330 [ 80.195860][ C1] mempool_alloc+0x128/0x490 [ 80.200465][ C1] ? __kasan_check_write+0x14/0x20 [ 80.205597][ C1] ? mempool_resize+0x880/0x880 [ 80.210461][ C1] ? __kasan_check_write+0x14/0x20 [ 80.215584][ C1] bio_alloc_bioset+0x196/0x570 [ 80.220448][ C1] ? crypto_shash_setkey+0x2c0/0x2c0 [ 80.225749][ C1] submit_bh_wbc+0x1c6/0x6e0 [ 80.230353][ C1] submit_bh+0x2a/0x40 [ 80.234437][ C1] journal_submit_commit_record+0x781/0xa10 [ 80.240349][ C1] ? journal_end_buffer_io_sync+0x110/0x110 [ 80.246295][ C1] ? _raw_write_lock+0x94/0xf0 [ 80.251073][ C1] ? _raw_write_trylock+0x150/0x150 [ 80.256286][ C1] jbd2_journal_commit_transaction+0x366b/0x57a0 [ 80.262633][ C1] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 80.269404][ C1] ? compat_start_thread+0x80/0x80 [ 80.274538][ C1] ? __kasan_check_write+0x14/0x20 [ 80.279661][ C1] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 80.285131][ C1] ? __schedule+0xc0b/0x13e0 [ 80.289737][ C1] ? __kasan_check_write+0x14/0x20 [ 80.294866][ C1] ? detach_if_pending+0x18f/0x300 [ 80.299987][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 80.305803][ C1] ? del_timer_sync+0x144/0x1a0 [ 80.310662][ C1] kjournald2+0x43d/0x850 [ 80.315026][ C1] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 80.320237][ C1] ? io_schedule+0xe0/0xe0 [ 80.324670][ C1] ? __kasan_check_read+0x11/0x20 [ 80.329703][ C1] ? __kthread_parkme+0xb3/0x1b0 [ 80.334651][ C1] kthread+0x324/0x3b0 [ 80.338734][ C1] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 80.343942][ C1] ? kthread_blkcg+0xd0/0xd0 [ 80.348543][ C1] ret_from_fork+0x1f/0x30 [ 80.352980][ T377] CPU: 0 PID: 377 Comm: kworker/0:11 Not tainted syzkaller #0 [ 80.360472][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 80.370556][ T377] Workqueue: ipv6_addrconf addrconf_dad_work [ 80.376545][ T377] Call Trace: [ 80.379855][ T377] __dump_stack+0x21/0x24 [ 80.384201][ T377] dump_stack_lvl+0x1a7/0x208 [ 80.388887][ T377] ? thaw_kernel_threads+0x220/0x220 [ 80.394182][ T377] ? show_regs_print_info+0x18/0x18 [ 80.399395][ T377] ? prandom_u32+0x24d/0x290 [ 80.404022][ T377] dump_stack+0x15/0x1c [ 80.408192][ T377] should_fail+0x3ab/0x500 [ 80.412629][ T377] ? alloc_skb_with_frags+0xa3/0x560 [ 80.417932][ T377] __should_failslab+0xa4/0xe0 [ 80.422703][ T377] should_failslab+0x9/0x20 [ 80.427212][ T377] __kmalloc_track_caller+0x5f/0x310 [ 80.432512][ T377] ? kmem_cache_alloc+0x15a/0x2d0 [ 80.437550][ T377] ? __alloc_skb+0x9e/0x520 [ 80.442068][ T377] ? alloc_skb_with_frags+0xa3/0x560 [ 80.447367][ T377] __alloc_skb+0xdc/0x520 [ 80.451712][ T377] alloc_skb_with_frags+0xa3/0x560 [ 80.456843][ T377] sock_alloc_send_pskb+0x87f/0x9a0 [ 80.462058][ T377] ? sock_kzfree_s+0x60/0x60 [ 80.466657][ T377] ? __local_bh_enable_ip+0x53/0x80 [ 80.471861][ T377] ? ip6_ins_rt+0xdd/0x130 [ 80.476288][ T377] ? rt6_lookup+0x220/0x220 [ 80.480805][ T377] sock_alloc_send_skb+0x32/0x40 [ 80.485750][ T377] mld_newpack+0x1b3/0x9e0 [ 80.490180][ T377] ? try_to_wake_up+0x64e/0xdf0 [ 80.495046][ T377] ? mld_sendpack+0xb00/0xb00 [ 80.499735][ T377] ? inet6_fill_ifla6_attrs+0x22c0/0x22c0 [ 80.505469][ T377] add_grec+0xedf/0x1330 [ 80.509722][ T377] ? __kasan_check_write+0x14/0x20 [ 80.514842][ T377] ? _raw_spin_lock_bh+0x94/0xf0 [ 80.519791][ T377] ? _raw_spin_lock_irq+0xf0/0xf0 [ 80.524828][ T377] ? mod_delayed_work_on+0xd0/0xd0 [ 80.529953][ T377] mld_send_initial_cr+0x1f1/0x2b0 [ 80.535078][ T377] ipv6_mc_dad_complete+0x76/0x3c0 [ 80.540198][ T377] addrconf_dad_completed+0x74c/0xe30 [ 80.545579][ T377] ? addrconf_dad_stop+0x450/0x450 [ 80.550701][ T377] addrconf_dad_work+0xc5f/0x1480 [ 80.555732][ T377] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 80.561028][ T377] ? __kasan_check_write+0x14/0x20 [ 80.566188][ T377] ? pwq_activate_delayed_work+0x2ea/0x3f0 [ 80.572016][ T377] ? __kasan_check_read+0x11/0x20 [ 80.577049][ T377] ? read_word_at_a_time+0x12/0x20 [ 80.582167][ T377] ? strscpy+0x9b/0x290 [ 80.586327][ T377] process_one_work+0x6fd/0xbc0 [ 80.591188][ T377] worker_thread+0xa8e/0x13c0 [ 80.595876][ T377] kthread+0x324/0x3b0 [ 80.600043][ T377] ? worker_clr_flags+0x190/0x190 [ 80.605078][ T377] ? kthread_blkcg+0xd0/0xd0 [ 80.609679][ T377] ret_from_fork+0x1f/0x30 [ 80.614227][ C0] FAULT_INJECTION: forcing a failure. [ 80.614227][ C0] name failslab, interval 1, probability 10, space 0, times 32 [ 80.617626][ T57] CPU: 1 PID: 57 Comm: jbd2/sda1-8 Not tainted syzkaller #0 [ 80.634315][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 80.644384][ T57] Call Trace: [ 80.647690][ T57] __dump_stack+0x21/0x24 [ 80.652044][ T57] dump_stack_lvl+0x1a7/0x208 [ 80.656760][ T57] ? show_regs_print_info+0x18/0x18 [ 80.661999][ T57] ? prandom_u32+0x24d/0x290 [ 80.666652][ T57] dump_stack+0x15/0x1c [ 80.670819][ T57] should_fail+0x3ab/0x500 [ 80.675251][ T57] ? mempool_alloc_slab+0x1d/0x30 [ 80.680291][ T57] __should_failslab+0xa4/0xe0 [ 80.685064][ T57] should_failslab+0x9/0x20 [ 80.689581][ T57] kmem_cache_alloc+0x3d/0x2d0 [ 80.694358][ T57] mempool_alloc_slab+0x1d/0x30 [ 80.699218][ T57] ? mempool_free+0x330/0x330 [ 80.703904][ T57] mempool_alloc+0x128/0x490 [ 80.708510][ T57] ? __kasan_check_write+0x14/0x20 [ 80.713641][ T57] ? mempool_resize+0x880/0x880 [ 80.718511][ T57] ? __kasan_check_write+0x14/0x20 [ 80.723639][ T57] bio_alloc_bioset+0x196/0x570 [ 80.728507][ T57] ? crypto_shash_setkey+0x2c0/0x2c0 [ 80.733803][ T57] submit_bh_wbc+0x1c6/0x6e0 [ 80.738400][ T57] submit_bh+0x2a/0x40 [ 80.742485][ T57] journal_submit_commit_record+0x781/0xa10 [ 80.748397][ T57] ? journal_end_buffer_io_sync+0x110/0x110 [ 80.754301][ T57] ? _raw_write_lock+0x94/0xf0 [ 80.759073][ T57] ? _raw_write_trylock+0x150/0x150 [ 80.764285][ T57] jbd2_journal_commit_transaction+0x366b/0x57a0 [ 80.770629][ T57] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 80.777399][ T57] ? compat_start_thread+0x80/0x80 [ 80.782526][ T57] ? __kasan_check_write+0x14/0x20 [ 80.787648][ T57] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 80.793123][ T57] ? __schedule+0xc0b/0x13e0 [ 80.797755][ T57] ? __kasan_check_write+0x14/0x20 [ 80.802879][ T57] ? detach_if_pending+0x18f/0x300 [ 80.808073][ T57] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 80.813903][ T57] ? del_timer_sync+0x144/0x1a0 [ 80.818776][ T57] kjournald2+0x43d/0x850 [ 80.823125][ T57] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 80.828336][ T57] ? io_schedule+0xe0/0xe0 [ 80.832762][ T57] ? __kasan_check_read+0x11/0x20 [ 80.837796][ T57] ? __kthread_parkme+0xb3/0x1b0 [ 80.842743][ T57] kthread+0x324/0x3b0 [ 80.846825][ T57] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 80.852044][ T57] ? kthread_blkcg+0xd0/0xd0 [ 80.856642][ T57] ret_from_fork+0x1f/0x30 [ 80.861077][ C0] CPU: 0 PID: 377 Comm: kworker/0:11 Not tainted syzkaller #0 [ 80.868548][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 80.878625][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 80.884613][ C0] Call Trace: [ 80.887908][ C0] [ 80.890777][ C0] __dump_stack+0x21/0x24 [ 80.895123][ C0] dump_stack_lvl+0x1a7/0x208 [ 80.899815][ C0] ? thaw_kernel_threads+0x220/0x220 [ 80.905118][ C0] ? show_regs_print_info+0x18/0x18 [ 80.910324][ C0] ? prandom_u32+0x24d/0x290 [ 80.914936][ C0] dump_stack+0x15/0x1c [ 80.919108][ C0] should_fail+0x3ab/0x500 [ 80.923539][ C0] ? dst_cow_metrics_generic+0x55/0x1c0 [ 80.929137][ C0] __should_failslab+0xa4/0xe0 [ 80.933908][ C0] should_failslab+0x9/0x20 [ 80.938432][ C0] kmem_cache_alloc_trace+0x3a/0x2e0 [ 80.943729][ C0] dst_cow_metrics_generic+0x55/0x1c0 [ 80.949133][ C0] icmp6_dst_alloc+0x35f/0x520 [ 80.953922][ C0] mld_sendpack+0x4d6/0xb00 [ 80.958440][ C0] ? add_grec+0x1330/0x1330 [ 80.962952][ C0] ? add_grec+0xf67/0x1330 [ 80.967375][ C0] ? memcpy+0x56/0x70 [ 80.971364][ C0] ? __kasan_check_write+0x14/0x20 [ 80.976487][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 80.981434][ C0] mld_send_initial_cr+0x246/0x2b0 [ 80.986555][ C0] mld_dad_timer_expire+0x2b/0x410 [ 80.991677][ C0] ? mld_ifc_timer_expire+0xc60/0xc60 [ 80.997061][ C0] call_timer_fn+0x38/0x290 [ 81.001576][ C0] ? mld_ifc_timer_expire+0xc60/0xc60 [ 81.006958][ C0] __run_timers+0x637/0x9a0 [ 81.011474][ C0] ? calc_index+0x200/0x200 [ 81.015991][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 81.020852][ C0] run_timer_softirq+0x6a/0xf0 [ 81.025673][ C0] __do_softirq+0x255/0x563 [ 81.030192][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 81.035770][ C0] asm_call_irq_on_stack+0xf/0x20 [ 81.040808][ C0] [ 81.043765][ C0] do_softirq_own_stack+0x60/0x80 [ 81.048886][ C0] do_softirq+0xb0/0xf0 [ 81.053066][ C0] ? __local_bh_enable_ip+0x80/0x80 [ 81.058277][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 81.063242][ C0] ? _raw_spin_lock_irq+0xf0/0xf0 [ 81.068295][ C0] __local_bh_enable_ip+0x70/0x80 [ 81.073336][ C0] _raw_read_unlock_bh+0x29/0x30 [ 81.078294][ C0] mld_send_initial_cr+0x234/0x2b0 [ 81.083417][ C0] ipv6_mc_dad_complete+0x76/0x3c0 [ 81.088544][ C0] addrconf_dad_completed+0x74c/0xe30 [ 81.093924][ C0] ? addrconf_dad_stop+0x450/0x450 [ 81.099055][ C0] addrconf_dad_work+0xc5f/0x1480 [ 81.104096][ C0] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 81.109396][ C0] ? __kasan_check_write+0x14/0x20 [ 81.114518][ C0] ? pwq_activate_delayed_work+0x2ea/0x3f0 [ 81.120337][ C0] ? __kasan_check_read+0x11/0x20 [ 81.125370][ C0] ? read_word_at_a_time+0x12/0x20 [ 81.130493][ C0] ? strscpy+0x9b/0x290 [ 81.134660][ C0] process_one_work+0x6fd/0xbc0 [ 81.139549][ C0] worker_thread+0xa8e/0x13c0 [ 81.144271][ C0] kthread+0x324/0x3b0 [ 81.148354][ C0] ? worker_clr_flags+0x190/0x190 [ 81.153391][ C0] ? kthread_blkcg+0xd0/0xd0 [ 81.157991][ C0] ret_from_fork+0x1f/0x30 [ 81.162550][ T83] CPU: 1 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 81.169344][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 81.174484][ T94] FAULT_INJECTION: forcing a failure. [ 81.174484][ T94] name failslab, interval 1, probability 10, space 0, times 30 [ 81.179414][ T83] Call Trace: [ 81.179435][ T83] __dump_stack+0x21/0x24 [ 81.179448][ T83] dump_stack_lvl+0x1a7/0x208 [ 81.179460][ T83] ? thaw_kernel_threads+0x220/0x220 [ 81.179507][ T83] ? show_regs_print_info+0x18/0x18 [ 81.215047][ T83] ? prandom_u32+0x24d/0x290 [ 81.219648][ T83] dump_stack+0x15/0x1c [ 81.223822][ T83] should_fail+0x3ab/0x500 [ 81.228254][ T83] ? alloc_skb_with_frags+0xa3/0x560 [ 81.233548][ T83] __should_failslab+0xa4/0xe0 [ 81.238332][ T83] should_failslab+0x9/0x20 [ 81.242848][ T83] __kmalloc_track_caller+0x5f/0x310 [ 81.248152][ T83] ? kmem_cache_alloc+0x15a/0x2d0 [ 81.253196][ T83] ? __alloc_skb+0x9e/0x520 [ 81.257752][ T83] ? alloc_skb_with_frags+0xa3/0x560 [ 81.263057][ T83] __alloc_skb+0xdc/0x520 [ 81.267404][ T83] alloc_skb_with_frags+0xa3/0x560 [ 81.272535][ T83] ? __kasan_check_write+0x14/0x20 [ 81.277658][ T83] sock_alloc_send_pskb+0x87f/0x9a0 [ 81.282874][ T83] ? sock_kzfree_s+0x60/0x60 [ 81.287480][ T83] ? __kasan_check_write+0x14/0x20 [ 81.292603][ T83] ? _raw_spin_lock+0x94/0xf0 [ 81.297291][ T83] ? _raw_spin_trylock_bh+0x150/0x150 [ 81.302683][ T83] unix_dgram_sendmsg+0x6f3/0x18f0 [ 81.307847][ T83] ? unix_dgram_poll+0x640/0x640 [ 81.308692][ T293] FAULT_INJECTION: forcing a failure. [ 81.308692][ T293] name failslab, interval 1, probability 10, space 0, times 30 [ 81.312854][ T83] ? security_socket_sendmsg+0x82/0xa0 [ 81.331159][ T83] __sys_sendto+0x467/0x620 [ 81.335767][ T83] ? __ia32_sys_getpeername+0x90/0x90 [ 81.341153][ T83] ? __sys_connect_file+0x170/0x170 [ 81.346375][ T83] ? _raw_spin_unlock+0x4d/0x70 [ 81.351277][ T83] __x64_sys_sendto+0xe5/0x100 [ 81.356055][ T83] do_syscall_64+0x31/0x40 [ 81.360495][ T83] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 81.366402][ T83] RIP: 0033:0x7f88b6e1b407 [ 81.370836][ T83] 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 [ 81.390550][ T83] RSP: 002b:00007ffe1fc5a930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 81.398979][ T83] RAX: ffffffffffffffda RBX: 00007f88b6ccbc80 RCX: 00007f88b6e1b407 [ 81.406966][ T83] RDX: 000000000000004d RSI: 00007ffe1fc5aa70 RDI: 0000000000000003 [ 81.414954][ T83] RBP: 00007ffe1fc5aea0 R08: 0000000000000000 R09: 0000000000000000 [ 81.422952][ T83] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe1fc5aeb8 [ 81.430949][ T83] R13: 00007ffe1fc5aa70 R14: 0000000000000032 R15: 00007ffe1fc5aa70 [ 81.438990][ T293] CPU: 0 PID: 293 Comm: syz-executor Not tainted syzkaller #0 [ 81.444570][ T83] FAULT_INJECTION: forcing a failure. [ 81.444570][ T83] name failslab, interval 1, probability 10, space 0, times 28 [ 81.446506][ T293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 81.469304][ T293] Call Trace: [ 81.472610][ T293] __dump_stack+0x21/0x24 [ 81.476949][ T293] dump_stack_lvl+0x1a7/0x208 [ 81.481641][ T293] ? thaw_kernel_threads+0x220/0x220 [ 81.486933][ T293] ? show_regs_print_info+0x18/0x18 [ 81.492146][ T293] ? prandom_u32+0x24d/0x290 [ 81.496744][ T293] dump_stack+0x15/0x1c [ 81.500920][ T293] should_fail+0x3ab/0x500 [ 81.505351][ T293] ? alloc_pipe_info+0xe6/0x4a0 [ 81.510219][ T293] __should_failslab+0xa4/0xe0 [ 81.515000][ T293] should_failslab+0x9/0x20 [ 81.519616][ T293] kmem_cache_alloc_trace+0x3a/0x2e0 [ 81.524916][ T293] alloc_pipe_info+0xe6/0x4a0 [ 81.529605][ T293] create_pipe_files+0x8d/0x6c0 [ 81.534469][ T293] __do_pipe_flags+0x4f/0x200 [ 81.539164][ T293] do_pipe2+0xa7/0x190 [ 81.543242][ T293] ? pipe_fcntl+0x4d0/0x4d0 [ 81.547765][ T293] ? debug_smp_processor_id+0x17/0x20 [ 81.553152][ T293] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 81.559264][ T293] __x64_sys_pipe2+0x5a/0x70 [ 81.563863][ T293] do_syscall_64+0x31/0x40 [ 81.568291][ T293] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 81.574192][ T293] RIP: 0033:0x7fcc3fd03ec9 [ 81.578623][ T293] Code: 38 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 eb aa e8 ea 34 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 07 c3 66 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff [ 81.598437][ T293] RSP: 002b:00007ffcff0f84b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 81.606865][ T293] RAX: ffffffffffffffda RBX: 0000555559c8ce50 RCX: 00007fcc3fd03ec9 [ 81.614846][ T293] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 00007ffcff0f84c8 [ 81.622835][ T293] RBP: 00007ffcff0f8a90 R08: 00007fcc3ff57e20 R09: 0000000000000000 [ 81.630819][ T293] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcff0f88d0 [ 81.638827][ T293] R13: 0000555559c89600 R14: 0000555559c89bf0 R15: 00007ffcff0f8610 [ 81.646824][ T94] CPU: 1 PID: 94 Comm: udevd Not tainted syzkaller #0 [ 81.653607][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 81.663670][ T94] Call Trace: [ 81.666971][ T94] __dump_stack+0x21/0x24 [ 81.671312][ T94] dump_stack_lvl+0x1a7/0x208 [ 81.675996][ T94] ? show_regs_print_info+0x18/0x18 [ 81.681202][ T94] dump_stack+0x15/0x1c [ 81.685366][ T94] should_fail+0x3ab/0x500 [ 81.689792][ T94] ? __d_alloc+0x2d/0x690 [ 81.694126][ T94] __should_failslab+0xa4/0xe0 [ 81.698905][ T94] should_failslab+0x9/0x20 [ 81.703417][ T94] kmem_cache_alloc+0x3d/0x2d0 [ 81.708218][ T94] __d_alloc+0x2d/0x690 [ 81.712381][ T94] d_alloc+0x48/0x260 [ 81.716371][ T94] ? __lookup_hash+0xb6/0x250 [ 81.721073][ T94] __lookup_hash+0xcb/0x250 [ 81.725588][ T94] do_unlinkat+0x187/0x670 [ 81.730022][ T94] ? __check_object_size+0x2dd/0x3b0 [ 81.735317][ T94] ? fsnotify_link_count+0x90/0x90 [ 81.740437][ T94] ? getname_flags+0x205/0x510 [ 81.745213][ T94] __x64_sys_unlink+0x49/0x50 [ 81.749908][ T94] do_syscall_64+0x31/0x40 [ 81.754330][ T94] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 81.760229][ T94] RIP: 0033:0x7fb3d8a13937 [ 81.764655][ T94] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 81.784272][ T94] RSP: 002b:00007ffe4691a8d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 SYZFAIL: pipe failed (errno 23: Too many open files in system) [ 81.792692][ T94] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007fb3d8a13937 [ 81.800674][ T94] RDX: ffffffffffffffff RSI: 000000000000000b RDI: 000055c1cd56e02e [ 81.808656][ T94] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 81.816662][ T94] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 81.824647][ T94] R13: 000055c1cd589100 R14: 0000000000000000 R15: 0000000000000000 [ 81.832983][ T390] FAULT_INJECTION: forcing a failure. [ 81.832983][ T390] name failslab, interval 1, probability 10, space 0, times 27 [ 81.845903][ T83] CPU: 1 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 81.848872][ T94] udevd[94]: could not unlink /run/udev/queue: Cannot allocate memory [ 81.852710][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 81.870911][ T83] Call Trace: [ 81.874218][ T83] __dump_stack+0x21/0x24 [ 81.878562][ T83] dump_stack_lvl+0x1a7/0x208 [ 81.883283][ T83] ? show_regs_print_info+0x18/0x18 [ 81.888509][ T83] ? prandom_u32+0x24d/0x290 [ 81.893107][ T83] dump_stack+0x15/0x1c [ 81.897270][ T83] should_fail+0x3ab/0x500 [ 81.897620][ C0] FAULT_INJECTION: forcing a failure. [ 81.897620][ C0] name failslab, interval 1, probability 10, space 0, times 26 [ 81.901721][ T83] ? selinux_sk_alloc_security+0x63/0x140 [ 81.920173][ T83] __should_failslab+0xa4/0xe0 [ 81.924947][ T83] should_failslab+0x9/0x20 [ 81.929462][ T83] kmem_cache_alloc_trace+0x3a/0x2e0 [ 81.934763][ T83] selinux_sk_alloc_security+0x63/0x140 [ 81.940344][ T83] security_sk_alloc+0x72/0xa0 [ 81.945141][ T83] sk_prot_alloc+0x12e/0x340 [ 81.949738][ T83] sk_alloc+0x38/0x4e0 [ 81.953819][ T83] unix_create1+0x8d/0x5f0 [ 81.958244][ T83] unix_create+0x135/0x1c0 [ 81.962669][ T83] __sock_create+0x38d/0x770 [ 81.967269][ T83] __sys_socket+0xec/0x190 [ 81.971690][ T83] __x64_sys_socket+0x7a/0x90 [ 81.976375][ T83] do_syscall_64+0x31/0x40 [ 81.980805][ T83] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 81.986706][ T83] RIP: 0033:0x7f88b6e96707 [ 81.991134][ T83] 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 [ 82.010894][ T83] RSP: 002b:00007ffe1fc5a948 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 82.019323][ T83] RAX: ffffffffffffffda RBX: 000000000000004d RCX: 00007f88b6e96707 [ 82.027308][ T83] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 82.035295][ T83] RBP: 00007f88b6f22560 R08: 0000000000000000 R09: 0000000000000000 [ 82.043276][ T83] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 82.051258][ T83] R13: 00007ffe1fc5aa70 R14: 0000000000000032 R15: 00007ffe1fc5aa70 [ 82.059272][ C0] CPU: 0 PID: 390 Comm: syz-executor Not tainted syzkaller #0 [ 82.066744][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 82.076792][ C0] Call Trace: [ 82.080077][ C0] [ 82.082946][ C0] __dump_stack+0x21/0x24 [ 82.087282][ C0] dump_stack_lvl+0x1a7/0x208 [ 82.091963][ C0] ? show_regs_print_info+0x18/0x18 [ 82.097169][ C0] ? prandom_u32+0x24d/0x290 [ 82.101958][ C0] dump_stack+0x15/0x1c [ 82.106122][ C0] should_fail+0x3ab/0x500 [ 82.110546][ C0] ? __alloc_skb+0x9e/0x520 [ 82.115056][ C0] __should_failslab+0xa4/0xe0 [ 82.119825][ C0] should_failslab+0x9/0x20 [ 82.124332][ C0] kmem_cache_alloc+0x3d/0x2d0 [ 82.129099][ C0] __alloc_skb+0x9e/0x520 [ 82.133483][ C0] ? __kasan_check_read+0x11/0x20 [ 82.138512][ C0] ? trigger_load_balance+0x19f/0x870 [ 82.143886][ C0] __tcp_send_ack+0x9b/0x650 [ 82.148473][ C0] tcp_send_ack+0x3b/0x60 [ 82.152809][ C0] tcp_delack_timer_handler+0x31a/0x710 [ 82.158358][ C0] tcp_delack_timer+0x104/0x230 [ 82.163242][ C0] ? tcp_write_timer+0x1d0/0x1d0 [ 82.168192][ C0] call_timer_fn+0x38/0x290 [ 82.172700][ C0] ? tcp_write_timer+0x1d0/0x1d0 [ 82.177649][ C0] __run_timers+0x637/0x9a0 [ 82.182164][ C0] ? calc_index+0x200/0x200 [ 82.186686][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 82.191541][ C0] run_timer_softirq+0x6a/0xf0 [ 82.196303][ C0] __do_softirq+0x255/0x563 [ 82.200803][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 82.206372][ C0] asm_call_irq_on_stack+0xf/0x20 [ 82.211390][ C0] [ 82.214350][ C0] do_softirq_own_stack+0x60/0x80 [ 82.219377][ C0] __irq_exit_rcu+0x128/0x150 [ 82.224054][ C0] irq_exit_rcu+0x9/0x10 [ 82.228300][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 82.234038][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 82.240022][ C0] RIP: 0010:dump_stack_lvl+0xf9/0x208 [ 82.245403][ C0] Code: 49 bd 04 00 00 00 00 fc ff df 44 89 ff 44 89 f6 e8 e4 34 eb fc 45 39 f7 0f 84 86 00 00 00 48 89 5c 24 18 ff 74 24 18 9d f3 90 <48> c7 c7 60 f5 76 86 be 04 00 00 00 e8 3e aa 25 fd 8b 05 38 85 fd [ 82.265002][ C0] RSP: 0018:ffffc90000e674e0 EFLAGS: 00000293 [ 82.271092][ C0] RAX: ffffffff84797032 RBX: 0000000000000293 RCX: ffff888110d30000 [ 82.279082][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 82.287065][ C0] RBP: ffffc90000e67598 R08: 0000000000000003 R09: 0000000000000004 [ 82.295046][ C0] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff920001ccea0 [ 82.303032][ C0] R13: dffffc0000000004 R14: 0000000000000000 R15: 0000000000000001 [ 82.311036][ C0] ? dump_stack_lvl+0x11a/0x208 [ 82.315897][ C0] ? show_regs_print_info+0x18/0x18 [ 82.321262][ C0] dump_stack+0x15/0x1c [ 82.325428][ C0] should_fail+0x3ab/0x500 [ 82.329872][ C0] ? netlink_trim+0x193/0x230 [ 82.334552][ C0] __should_failslab+0xa4/0xe0 [ 82.339316][ C0] should_failslab+0x9/0x20 [ 82.343819][ C0] __kmalloc_track_caller+0x5f/0x310 [ 82.349100][ C0] ? if_nlmsg_size+0x6c0/0x6c0 [ 82.353903][ C0] ? netlink_trim+0x193/0x230 [ 82.358758][ C0] pskb_expand_head+0x123/0x11c0 [ 82.363733][ C0] netlink_trim+0x193/0x230 [ 82.368243][ C0] netlink_broadcast_filtered+0x75/0x12c0 [ 82.373972][ C0] ? rtmsg_ifinfo_build_skb+0xd3/0x180 [ 82.379433][ C0] nlmsg_notify+0xe9/0x1a0 [ 82.383899][ C0] rtmsg_ifinfo+0xea/0x130 [ 82.388322][ C0] dev_close_many+0x26e/0x4d0 [ 82.393020][ C0] ? __dev_open+0x500/0x500 [ 82.397541][ C0] ? __kasan_check_read+0x11/0x20 [ 82.402578][ C0] unregister_netdevice_many+0x477/0x19f0 [ 82.408306][ C0] ? alloc_netdev_mqs+0xca0/0xca0 [ 82.413342][ C0] ? __queue_delayed_work+0x188/0x200 [ 82.418718][ C0] ? __kasan_check_read+0x11/0x20 [ 82.423748][ C0] unregister_netdevice_queue+0x2e1/0x320 [ 82.429554][ C0] ? linkwatch_urgent_event+0x34d/0x460 [ 82.435099][ C0] ? list_netdevice+0x4c0/0x4c0 [ 82.439947][ C0] ? linkwatch_fire_event+0x2d3/0x330 [ 82.445321][ C0] __tun_detach+0xc9d/0x1450 [ 82.449914][ C0] tun_chr_close+0x92/0x140 [ 82.454441][ C0] ? tun_chr_open+0x540/0x540 [ 82.459113][ C0] __fput+0x2dc/0x730 [ 82.463103][ C0] ____fput+0x15/0x20 [ 82.467101][ C0] task_work_run+0x127/0x190 [ 82.471692][ C0] do_exit+0xa7c/0x24e0 [ 82.475854][ C0] ? vmacache_update+0xb7/0x120 [ 82.480707][ C0] ? put_task_struct+0x90/0x90 [ 82.485471][ C0] ? __kasan_check_write+0x14/0x20 [ 82.490582][ C0] ? switch_fpu_return+0x19c/0x330 [ 82.495698][ C0] ? fpu__clear_all+0x20/0x20 [ 82.500378][ C0] do_group_exit+0x149/0x310 [ 82.504988][ C0] __x64_sys_exit_group+0x3f/0x40 [ 82.510018][ C0] do_syscall_64+0x31/0x40 [ 82.514438][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 82.520329][ C0] RIP: 0033:0x7f059ae44e99 [ 82.524766][ C0] Code: Unable to access opcode bytes at RIP 0x7f059ae44e6f. [ 82.532128][ C0] RSP: 002b:00007ffff0235e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 82.540553][ C0] RAX: ffffffffffffffda RBX: 00007f059aeda316 RCX: 00007f059ae44e99 [ 82.548532][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 82.556507][ C0] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f059aeda30a [ 82.564474][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffff02370a0 [ 82.572445][ C0] R13: 00007f059aeda30a R14: 000000000000deae R15: 00007ffff02370e0 [ 82.580508][ C0] FAULT_INJECTION: forcing a failure. [ 82.580508][ C0] name failslab, interval 1, probability 10, space 0, times 25 [ 82.581390][ T83] FAULT_INJECTION: forcing a failure. [ 82.581390][ T83] name failslab, interval 1, probability 10, space 0, times 24 [ 82.593339][ C0] CPU: 0 PID: 390 Comm: syz-executor Not tainted syzkaller #0 [ 82.613554][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 82.623622][ C0] Call Trace: [ 82.626915][ C0] [ 82.629787][ C0] __dump_stack+0x21/0x24 [ 82.634128][ C0] dump_stack_lvl+0x1a7/0x208 [ 82.638833][ C0] ? show_regs_print_info+0x18/0x18 [ 82.644046][ C0] ? prandom_u32+0x24d/0x290 [ 82.648651][ C0] dump_stack+0x15/0x1c [ 82.652819][ C0] should_fail+0x3ab/0x500 [ 82.657269][ C0] ? skb_clone+0x1cd/0x370 [ 82.661696][ C0] __should_failslab+0xa4/0xe0 [ 82.666485][ C0] should_failslab+0x9/0x20 [ 82.671008][ C0] kmem_cache_alloc+0x3d/0x2d0 [ 82.675791][ C0] skb_clone+0x1cd/0x370 [ 82.680047][ C0] __tcp_transmit_skb+0x366/0x3390 [ 82.685166][ C0] ? __kasan_check_write+0x14/0x20 [ 82.690280][ C0] ? skb_release_data+0x3bc/0x690 [ 82.695415][ C0] ? pskb_expand_head+0xbb5/0x11c0 [ 82.700535][ C0] ? tcp_retrans_try_collapse+0xf0d/0xf90 [ 82.706264][ C0] ? __tcp_send_ack+0x650/0x650 [ 82.711128][ C0] __tcp_retransmit_skb+0x946/0x1190 [ 82.716429][ C0] tcp_send_loss_probe+0x43c/0x910 [ 82.721556][ C0] tcp_write_timer_handler+0x24b/0x970 [ 82.727036][ C0] tcp_write_timer+0xaa/0x1d0 [ 82.731725][ C0] ? tcp_init_xmit_timers+0xb0/0xb0 [ 82.736946][ C0] call_timer_fn+0x38/0x290 [ 82.741452][ C0] ? tcp_init_xmit_timers+0xb0/0xb0 [ 82.746666][ C0] __run_timers+0x637/0x9a0 [ 82.751185][ C0] ? calc_index+0x200/0x200 [ 82.755703][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 82.760576][ C0] run_timer_softirq+0x6a/0xf0 [ 82.765360][ C0] __do_softirq+0x255/0x563 [ 82.769886][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 82.775442][ C0] asm_call_irq_on_stack+0xf/0x20 [ 82.780469][ C0] [ 82.783419][ C0] do_softirq_own_stack+0x60/0x80 [ 82.788468][ C0] __irq_exit_rcu+0x128/0x150 [ 82.793153][ C0] irq_exit_rcu+0x9/0x10 [ 82.797436][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 82.803085][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 82.809078][ C0] RIP: 0010:dump_stack_lvl+0xf9/0x208 [ 82.814459][ C0] Code: 49 bd 04 00 00 00 00 fc ff df 44 89 ff 44 89 f6 e8 e4 34 eb fc 45 39 f7 0f 84 86 00 00 00 48 89 5c 24 18 ff 74 24 18 9d f3 90 <48> c7 c7 60 f5 76 86 be 04 00 00 00 e8 3e aa 25 fd 8b 05 38 85 fd [ 82.834073][ C0] RSP: 0018:ffffc90000e674e0 EFLAGS: 00000293 [ 82.840153][ C0] RAX: ffffffff84797032 RBX: 0000000000000293 RCX: ffff888110d30000 [ 82.848136][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 82.856115][ C0] RBP: ffffc90000e67598 R08: 0000000000000003 R09: 0000000000000004 [ 82.864099][ C0] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff920001ccea0 [ 82.872090][ C0] R13: dffffc0000000004 R14: 0000000000000000 R15: 0000000000000001 [ 82.880094][ C0] ? dump_stack_lvl+0x11a/0x208 [ 82.884992][ C0] ? show_regs_print_info+0x18/0x18 [ 82.890204][ C0] dump_stack+0x15/0x1c [ 82.894366][ C0] should_fail+0x3ab/0x500 [ 82.898785][ C0] ? netlink_trim+0x193/0x230 [ 82.903473][ C0] __should_failslab+0xa4/0xe0 [ 82.908237][ C0] should_failslab+0x9/0x20 [ 82.912752][ C0] __kmalloc_track_caller+0x5f/0x310 [ 82.918046][ C0] ? if_nlmsg_size+0x6c0/0x6c0 [ 82.922822][ C0] ? netlink_trim+0x193/0x230 [ 82.927527][ C0] pskb_expand_head+0x123/0x11c0 [ 82.932480][ C0] netlink_trim+0x193/0x230 [ 82.937005][ C0] netlink_broadcast_filtered+0x75/0x12c0 [ 82.942725][ C0] ? rtmsg_ifinfo_build_skb+0xd3/0x180 [ 82.948210][ C0] nlmsg_notify+0xe9/0x1a0 [ 82.952631][ C0] rtmsg_ifinfo+0xea/0x130 [ 82.957045][ C0] dev_close_many+0x26e/0x4d0 [ 82.961806][ C0] ? __dev_open+0x500/0x500 [ 82.966312][ C0] ? __kasan_check_read+0x11/0x20 [ 82.971351][ C0] unregister_netdevice_many+0x477/0x19f0 [ 82.977072][ C0] ? alloc_netdev_mqs+0xca0/0xca0 [ 82.982094][ C0] ? __queue_delayed_work+0x188/0x200 [ 82.987506][ C0] ? __kasan_check_read+0x11/0x20 [ 82.992539][ C0] unregister_netdevice_queue+0x2e1/0x320 [ 82.998270][ C0] ? linkwatch_urgent_event+0x34d/0x460 [ 83.003836][ C0] ? list_netdevice+0x4c0/0x4c0 [ 83.008687][ C0] ? linkwatch_fire_event+0x2d3/0x330 [ 83.014064][ C0] __tun_detach+0xc9d/0x1450 [ 83.018660][ C0] tun_chr_close+0x92/0x140 [ 83.023181][ C0] ? tun_chr_open+0x540/0x540 [ 83.027858][ C0] __fput+0x2dc/0x730 [ 83.031849][ C0] ____fput+0x15/0x20 [ 83.035855][ C0] task_work_run+0x127/0x190 [ 83.040440][ C0] do_exit+0xa7c/0x24e0 [ 83.044599][ C0] ? vmacache_update+0xb7/0x120 [ 83.049452][ C0] ? put_task_struct+0x90/0x90 [ 83.054232][ C0] ? __kasan_check_write+0x14/0x20 [ 83.059343][ C0] ? switch_fpu_return+0x19c/0x330 [ 83.064457][ C0] ? fpu__clear_all+0x20/0x20 [ 83.069133][ C0] do_group_exit+0x149/0x310 [ 83.073725][ C0] __x64_sys_exit_group+0x3f/0x40 [ 83.078747][ C0] do_syscall_64+0x31/0x40 [ 83.083170][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 83.089062][ C0] RIP: 0033:0x7f059ae44e99 [ 83.093476][ C0] Code: Unable to access opcode bytes at RIP 0x7f059ae44e6f. [ 83.100837][ C0] RSP: 002b:00007ffff0235e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 83.109264][ C0] RAX: ffffffffffffffda RBX: 00007f059aeda316 RCX: 00007f059ae44e99 [ 83.117240][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 83.125212][ C0] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f059aeda30a [ 83.133197][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffff02370a0 [ 83.141183][ C0] R13: 00007f059aeda30a R14: 000000000000deae R15: 00007ffff02370e0 [ 83.149507][ C1] FAULT_INJECTION: forcing a failure. [ 83.149507][ C1] name failslab, interval 1, probability 10, space 0, times 23 [ 83.162342][ C1] CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 83.169640][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 83.179700][ C1] Call Trace: [ 83.183005][ C1] __dump_stack+0x21/0x24 [ 83.187344][ C1] dump_stack_lvl+0x1a7/0x208 [ 83.192028][ C1] ? thaw_kernel_threads+0x220/0x220 [ 83.197405][ C1] ? show_regs_print_info+0x18/0x18 [ 83.202608][ C1] ? prandom_u32+0x24d/0x290 [ 83.207204][ C1] dump_stack+0x15/0x1c [ 83.211374][ C1] should_fail+0x3ab/0x500 [ 83.215805][ C1] ? ndisc_send_rs+0x310/0x960 [ 83.220577][ C1] __should_failslab+0xa4/0xe0 [ 83.225342][ C1] should_failslab+0x9/0x20 [ 83.229848][ C1] __kmalloc_track_caller+0x5f/0x310 [ 83.235148][ C1] ? kmem_cache_alloc+0x15a/0x2d0 [ 83.240182][ C1] ? __alloc_skb+0x9e/0x520 [ 83.244692][ C1] ? ndisc_send_rs+0x310/0x960 [ 83.249457][ C1] __alloc_skb+0xdc/0x520 [ 83.253785][ C1] ndisc_send_rs+0x310/0x960 [ 83.258384][ C1] addrconf_rs_timer+0x35a/0x600 [ 83.263323][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 83.269396][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 83.275474][ C1] call_timer_fn+0x38/0x290 [ 83.280072][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 83.286145][ C1] __run_timers+0x637/0x9a0 [ 83.290651][ C1] ? calc_index+0x200/0x200 [ 83.295163][ C1] ? sched_clock+0x3a/0x40 connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF [ 83.299589][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 83.304463][ C1] ? __schedule+0xc0b/0x13e0 [ 83.309070][ C1] run_timer_softirq+0x6a/0xf0 [ 83.313854][ C1] __do_softirq+0x255/0x563 [ 83.318373][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 83.323581][ C1] run_ksoftirqd+0x23/0x30 [ 83.328006][ C1] smpboot_thread_fn+0x464/0x820 [ 83.332954][ C1] kthread+0x324/0x3b0 [ 83.337028][ C1] ? cpu_report_death+0x1b0/0x1b0 [ 83.342059][ C1] ? kthread_blkcg+0xd0/0xd0 [ 83.346654][ C1] ret_from_fork+0x1f/0x30 [ 83.351456][ T83] CPU: 1 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 83.358244][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 83.368341][ T83] Call Trace: [ 83.371665][ T83] __dump_stack+0x21/0x24 [ 83.376007][ T83] dump_stack_lvl+0x1a7/0x208 [ 83.380697][ T83] ? thaw_kernel_threads+0x220/0x220 [ 83.385994][ T83] ? show_regs_print_info+0x18/0x18 [ 83.391204][ T83] ? prandom_u32+0x24d/0x290 [ 83.395810][ T83] dump_stack+0x15/0x1c [ 83.399973][ T83] should_fail+0x3ab/0x500 [ 83.404407][ T83] ? sk_prot_alloc+0x5c/0x340 [ 83.409094][ T83] __should_failslab+0xa4/0xe0 [ 83.413884][ T83] should_failslab+0x9/0x20 [ 83.418401][ T83] kmem_cache_alloc+0x3d/0x2d0 [ 83.423180][ T83] ? security_inode_alloc+0x33/0x110 [ 83.428487][ T83] sk_prot_alloc+0x5c/0x340 [ 83.433001][ T83] sk_alloc+0x38/0x4e0 [ 83.437080][ T83] unix_create1+0x8d/0x5f0 [ 83.441527][ T83] unix_create+0x135/0x1c0 [ 83.445951][ T83] __sock_create+0x38d/0x770 [ 83.450552][ T83] __sys_socket+0xec/0x190 [ 83.454977][ T83] __x64_sys_socket+0x7a/0x90 [ 83.459696][ T83] do_syscall_64+0x31/0x40 [ 83.464127][ T83] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 83.470048][ T83] RIP: 0033:0x7f88b6e96707 [ 83.474483][ T83] 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 [ 83.494107][ T83] RSP: 002b:00007ffe1fc5a948 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 83.502540][ T83] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f88b6e96707 [ 83.510528][ T83] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 83.518517][ T83] RBP: 00007f88b6f22560 R08: 0000000000000073 R09: 0000000000000001 [ 83.526505][ T83] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 83.534495][ T83] R13: 00007ffe1fc5aa70 R14: 000000000000002d R15: 00007ffe1fc5aa70 [ 83.542658][ T83] FAULT_INJECTION: forcing a failure. [ 83.542658][ T83] name failslab, interval 1, probability 10, space 0, times 21 [ 83.548221][ T390] CPU: 0 PID: 390 Comm: syz-executor Not tainted syzkaller #0 [ 83.562887][ T390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 83.572953][ T390] Call Trace: [ 83.576257][ T390] __dump_stack+0x21/0x24 [ 83.580602][ T390] dump_stack_lvl+0x1a7/0x208 [ 83.585298][ T390] ? show_regs_print_info+0x18/0x18 [ 83.590507][ T390] dump_stack+0x15/0x1c [ 83.594671][ T390] should_fail+0x3ab/0x500 [ 83.599101][ T390] ? netlink_trim+0x193/0x230 [ 83.603791][ T390] __should_failslab+0xa4/0xe0 [ 83.608568][ T390] should_failslab+0x9/0x20 [ 83.613076][ T390] __kmalloc_track_caller+0x5f/0x310 [ 83.618369][ T390] ? if_nlmsg_size+0x6c0/0x6c0 [ 83.623138][ T390] ? netlink_trim+0x193/0x230 [ 83.627824][ T390] pskb_expand_head+0x123/0x11c0 [ 83.632775][ T390] netlink_trim+0x193/0x230 [ 83.637290][ T390] netlink_broadcast_filtered+0x75/0x12c0 [ 83.643022][ T390] ? rtmsg_ifinfo_build_skb+0xd3/0x180 [ 83.648490][ T390] nlmsg_notify+0xe9/0x1a0 [ 83.652945][ T390] rtmsg_ifinfo+0xea/0x130 [ 83.657390][ T390] dev_close_many+0x26e/0x4d0 [ 83.662079][ T390] ? __dev_open+0x500/0x500 [ 83.666592][ T390] ? __kasan_check_read+0x11/0x20 [ 83.671627][ T390] unregister_netdevice_many+0x477/0x19f0 [ 83.677352][ T390] ? alloc_netdev_mqs+0xca0/0xca0 [ 83.682389][ T390] ? __queue_delayed_work+0x188/0x200 [ 83.687767][ T390] ? __kasan_check_read+0x11/0x20 [ 83.692810][ T390] unregister_netdevice_queue+0x2e1/0x320 [ 83.698541][ T390] ? linkwatch_urgent_event+0x34d/0x460 [ 83.704098][ T390] ? list_netdevice+0x4c0/0x4c0 [ 83.708958][ T390] ? linkwatch_fire_event+0x2d3/0x330 [ 83.714333][ T390] __tun_detach+0xc9d/0x1450 [ 83.718929][ T390] tun_chr_close+0x92/0x140 [ 83.723550][ T390] ? tun_chr_open+0x540/0x540 [ 83.728231][ T390] __fput+0x2dc/0x730 [ 83.732232][ T390] ____fput+0x15/0x20 [ 83.736227][ T390] task_work_run+0x127/0x190 [ 83.740838][ T390] do_exit+0xa7c/0x24e0 [ 83.744997][ T390] ? vmacache_update+0xb7/0x120 [ 83.749853][ T390] ? put_task_struct+0x90/0x90 [ 83.754623][ T390] ? __kasan_check_write+0x14/0x20 [ 83.759741][ T390] ? switch_fpu_return+0x19c/0x330 [ 83.764865][ T390] ? fpu__clear_all+0x20/0x20 [ 83.769553][ T390] do_group_exit+0x149/0x310 [ 83.774153][ T390] __x64_sys_exit_group+0x3f/0x40 [ 83.779188][ T390] do_syscall_64+0x31/0x40 [ 83.783614][ T390] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 83.789520][ T390] RIP: 0033:0x7f059ae44e99 [ 83.793934][ T390] Code: Unable to access opcode bytes at RIP 0x7f059ae44e6f. [ 83.801321][ T390] RSP: 002b:00007ffff0235e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 83.809742][ T390] RAX: ffffffffffffffda RBX: 00007f059aeda316 RCX: 00007f059ae44e99 [ 83.817719][ T390] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 83.825699][ T390] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f059aeda30a [ 83.833680][ T390] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffff02370a0 [ 83.841686][ T390] R13: 00007f059aeda30a R14: 000000000000deae R15: 00007ffff02370e0 [ 83.849726][ T83] CPU: 1 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 83.856514][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 83.866581][ T83] Call Trace: [ 83.869892][ T83] __dump_stack+0x21/0x24 [ 83.874263][ T83] dump_stack_lvl+0x1a7/0x208 [ 83.878955][ T83] ? show_regs_print_info+0x18/0x18 [ 83.884165][ T83] dump_stack+0x15/0x1c [ 83.888333][ T83] should_fail+0x3ab/0x500 [ 83.892772][ T83] ? security_inode_alloc+0x33/0x110 [ 83.898072][ T83] __should_failslab+0xa4/0xe0 [ 83.902865][ T83] should_failslab+0x9/0x20 [ 83.907381][ T83] kmem_cache_alloc+0x3d/0x2d0 [ 83.912171][ T83] security_inode_alloc+0x33/0x110 [ 83.917299][ T83] inode_init_always+0x725/0x9c0 [ 83.922253][ T83] new_inode_pseudo+0x91/0x210 [ 83.927041][ T83] __sock_create+0x12c/0x770 [ 83.931649][ T83] __sys_socket+0xec/0x190 [ 83.936080][ T83] __x64_sys_socket+0x7a/0x90 [ 83.940769][ T83] do_syscall_64+0x31/0x40 [ 83.945199][ T83] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 83.951104][ T83] RIP: 0033:0x7f88b6e96707 [ 83.955536][ T83] 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 [ 83.975187][ T83] RSP: 002b:00007ffe1fc5a948 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 83.983621][ T83] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f88b6e96707 [ 83.991614][ T83] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 83.999610][ T83] RBP: 00007f88b6f22560 R08: 0000000000000073 R09: 0000000000000001 [ 84.007605][ T83] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 84.015596][ T83] R13: 00007ffe1fc5aa70 R14: 000000000000003d R15: 00007ffe1fc5aa70 [ 84.023831][ T384] FAULT_INJECTION: forcing a failure. [ 84.023831][ T384] name failslab, interval 1, probability 10, space 0, times 21 [ 84.036635][ T384] CPU: 1 PID: 384 Comm: kworker/1:15 Not tainted syzkaller #0 [ 84.044106][ T384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 84.054189][ T384] Workqueue: events_power_efficient neigh_periodic_work [ 84.061141][ T384] Call Trace: [ 84.064456][ T384] __dump_stack+0x21/0x24 [ 84.068807][ T384] dump_stack_lvl+0x1a7/0x208 [ 84.073496][ T384] ? thaw_kernel_threads+0x220/0x220 [ 84.078802][ T384] ? show_regs_print_info+0x18/0x18 [ 84.084127][ T384] ? prandom_u32+0x24d/0x290 [ 84.088753][ T384] dump_stack+0x15/0x1c [ 84.092929][ T384] should_fail+0x3ab/0x500 [ 84.097409][ T384] ? __alloc_skb+0x9e/0x520 [ 84.101936][ T384] __should_failslab+0xa4/0xe0 [ 84.106717][ T384] should_failslab+0x9/0x20 [ 84.111238][ T384] kmem_cache_alloc+0x3d/0x2d0 [ 84.116020][ T384] __alloc_skb+0x9e/0x520 [ 84.120367][ T384] ? __kasan_check_write+0x14/0x20 [ 84.125491][ T384] __neigh_notify+0x83/0x130 [ 84.130102][ T384] neigh_cleanup_and_release+0x2c/0x1a0 [ 84.136448][ T384] neigh_periodic_work+0x83b/0xa50 [ 84.141589][ T384] process_one_work+0x6fd/0xbc0 [ 84.146486][ T384] worker_thread+0xa8e/0x13c0 [ 84.148628][ T390] FAULT_INJECTION: forcing a failure. [ 84.148628][ T390] name failslab, interval 1, probability 10, space 0, times 20 [ 84.151242][ T384] kthread+0x324/0x3b0 [ 84.168034][ T384] ? worker_clr_flags+0x190/0x190 [ 84.173066][ T384] ? kthread_blkcg+0xd0/0xd0 [ 84.177665][ T384] ret_from_fork+0x1f/0x30 [ 84.182119][ T390] CPU: 0 PID: 390 Comm: syz-executor Not tainted syzkaller #0 [ 84.182387][ T83] socket: no more sockets [ 84.189591][ T390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 84.189596][ T390] Call Trace: [ 84.189612][ T390] __dump_stack+0x21/0x24 [ 84.189656][ T390] dump_stack_lvl+0x1a7/0x208 [ 84.194227][ T83] FAULT_INJECTION: forcing a failure. [ 84.194227][ T83] name failslab, interval 1, probability 10, space 0, times 18 [ 84.204018][ T390] ? show_regs_print_info+0x18/0x18 [ 84.204030][ T390] dump_stack+0x15/0x1c [ 84.204073][ T390] should_fail+0x3ab/0x500 [ 84.242861][ T390] ? inet6_rt_notify+0x293/0x480 [ 84.247824][ T390] __should_failslab+0xa4/0xe0 [ 84.252597][ T390] should_failslab+0x9/0x20 [ 84.257111][ T390] __kmalloc_track_caller+0x5f/0x310 [ 84.262402][ T390] ? kmem_cache_alloc+0x15a/0x2d0 [ 84.267431][ T390] ? __alloc_skb+0x9e/0x520 [ 84.271946][ T390] ? inet6_rt_notify+0x293/0x480 [ 84.276899][ T390] __alloc_skb+0xdc/0x520 [ 84.281243][ T390] ? __fib6_drop_pcpu_from+0x27d/0x2c0 [ 84.286705][ T390] inet6_rt_notify+0x293/0x480 [ 84.291478][ T390] ? rt6_nh_dump_exceptions+0x6b0/0x6b0 [ 84.297026][ T390] ? call_fib_notifiers+0xa0/0xc0 [ 84.302060][ T390] fib6_del+0xb9e/0xf00 [ 84.306228][ T390] ? pick_next_task_fair+0x81d/0xa50 [ 84.311521][ T390] ? fib6_locate+0x460/0x460 [ 84.316135][ T390] ? _raw_spin_unlock_irq+0x4e/0x70 [ 84.321338][ T390] ? fib6_ifdown+0x2e8/0x4e0 [ 84.325931][ T390] fib6_clean_node+0x2a1/0x540 [ 84.330700][ T390] ? node_free_rcu+0x30/0x30 [ 84.335297][ T390] ? __kasan_check_read+0x11/0x20 [ 84.340321][ T390] fib6_walk_continue+0x54b/0x740 [ 84.345354][ T390] fib6_walk+0x153/0x290 [ 84.349599][ T390] fib6_clean_all+0x1a1/0x270 [ 84.354282][ T390] ? rt6_sync_down_dev+0x140/0x140 [ 84.359399][ T390] ? fib6_del+0xf00/0xf00 [ 84.363732][ T390] ? node_free_rcu+0x30/0x30 [ 84.368416][ T390] ? rt6_sync_down_dev+0x140/0x140 [ 84.373533][ T390] ? try_to_wake_up+0x64e/0xdf0 [ 84.378394][ T390] rt6_disable_ip+0x114/0x690 [ 84.383078][ T390] ? __queue_work+0x941/0xca0 [ 84.387762][ T390] ? fib6_ifdown+0x4e0/0x4e0 [ 84.392364][ T390] ? __kasan_check_read+0x11/0x20 [ 84.397393][ T390] addrconf_ifdown+0x144/0x1890 [ 84.402258][ T390] ? kmem_cache_alloc_trace+0x179/0x2e0 [ 84.407817][ T390] ? nf_nat_masq_schedule+0x215/0x4a0 [ 84.413206][ T390] ? addrconf_cleanup+0x1c0/0x1c0 [ 84.418252][ T390] ? __kasan_check_write+0x14/0x20 [ 84.423409][ T390] ? mutex_lock+0x92/0xf0 [ 84.427751][ T390] ? mutex_trylock+0xb0/0xb0 [ 84.432375][ T390] ? nf_nat_masq_schedule+0x4a0/0x4a0 [ 84.437754][ T390] addrconf_notify+0x3bd/0xea0 [ 84.442530][ T390] raw_notifier_call_chain+0x90/0x100 [ 84.447914][ T390] dev_close_many+0x328/0x4d0 [ 84.452606][ T390] ? __dev_open+0x500/0x500 [ 84.457117][ T390] ? __kasan_check_read+0x11/0x20 [ 84.462152][ T390] unregister_netdevice_many+0x477/0x19f0 [ 84.467893][ T390] ? alloc_netdev_mqs+0xca0/0xca0 [ 84.472929][ T390] ? __queue_delayed_work+0x188/0x200 [ 84.478313][ T390] ? __kasan_check_read+0x11/0x20 [ 84.483348][ T390] unregister_netdevice_queue+0x2e1/0x320 [ 84.489077][ T390] ? linkwatch_urgent_event+0x34d/0x460 [ 84.494635][ T390] ? list_netdevice+0x4c0/0x4c0 [ 84.499493][ T390] ? linkwatch_fire_event+0x2d3/0x330 [ 84.504876][ T390] __tun_detach+0xc9d/0x1450 [ 84.509484][ T390] tun_chr_close+0x92/0x140 [ 84.513995][ T390] ? tun_chr_open+0x540/0x540 [ 84.518675][ T390] __fput+0x2dc/0x730 [ 84.522668][ T390] ____fput+0x15/0x20 [ 84.526665][ T390] task_work_run+0x127/0x190 [ 84.531265][ T390] do_exit+0xa7c/0x24e0 [ 84.535431][ T390] ? vmacache_update+0xb7/0x120 [ 84.540293][ T390] ? put_task_struct+0x90/0x90 [ 84.545068][ T390] ? __kasan_check_write+0x14/0x20 [ 84.550185][ T390] ? switch_fpu_return+0x19c/0x330 [ 84.555308][ T390] ? fpu__clear_all+0x20/0x20 [ 84.559993][ T390] do_group_exit+0x149/0x310 [ 84.564596][ T390] __x64_sys_exit_group+0x3f/0x40 [ 84.569627][ T390] do_syscall_64+0x31/0x40 [ 84.574053][ T390] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 84.579954][ T390] RIP: 0033:0x7f059ae44e99 [ 84.584376][ T390] Code: Unable to access opcode bytes at RIP 0x7f059ae44e6f. [ 84.591752][ T390] RSP: 002b:00007ffff0235e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 84.600176][ T390] RAX: ffffffffffffffda RBX: 00007f059aeda316 RCX: 00007f059ae44e99 [ 84.608154][ T390] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 84.616141][ T390] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f059aeda30a [ 84.624127][ T390] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffff02370a0 [ 84.632107][ T390] R13: 00007f059aeda30a R14: 000000000000deae R15: 00007ffff02370e0 [ 84.640114][ T83] CPU: 1 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 84.640966][ T133] FAULT_INJECTION: forcing a failure. [ 84.640966][ T133] name failslab, interval 1, probability 10, space 0, times 17 [ 84.646915][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 84.669724][ T83] Call Trace: [ 84.673040][ T83] __dump_stack+0x21/0x24 [ 84.677385][ T83] dump_stack_lvl+0x1a7/0x208 [ 84.682099][ T83] ? show_regs_print_info+0x18/0x18 [ 84.687311][ T83] dump_stack+0x15/0x1c [ 84.691499][ T83] should_fail+0x3ab/0x500 [ 84.695935][ T83] ? security_file_alloc+0x33/0x120 [ 84.701162][ T83] __should_failslab+0xa4/0xe0 [ 84.705946][ T83] should_failslab+0x9/0x20 [ 84.710458][ T83] kmem_cache_alloc+0x3d/0x2d0 [ 84.715237][ T83] ? __alloc_file+0x28/0x320 [ 84.719854][ T83] security_file_alloc+0x33/0x120 [ 84.724892][ T83] __alloc_file+0xb5/0x320 [ 84.729320][ T83] alloc_empty_file+0x97/0x180 [ 84.734100][ T83] alloc_file+0x59/0x580 [ 84.738357][ T83] alloc_file_pseudo+0x180/0x200 [ 84.743311][ T83] ? alloc_empty_file_noaccount+0x80/0x80 [ 84.749043][ T83] ? _raw_spin_unlock+0x4d/0x70 [ 84.753940][ T83] ? __alloc_fd+0x4c0/0x570 [ 84.758461][ T83] sock_alloc_file+0xba/0x260 [ 84.763150][ T83] __sys_socket+0x12b/0x190 [ 84.767665][ T83] __x64_sys_socket+0x7a/0x90 [ 84.772360][ T83] do_syscall_64+0x31/0x40 [ 84.776814][ T83] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 84.782722][ T83] RIP: 0033:0x7f88b6e96707 [ 84.787171][ T83] 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 [ 84.806790][ T83] RSP: 002b:00007ffe1fc5a948 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 84.815250][ T83] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f88b6e96707 [ 84.823247][ T83] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 84.831236][ T83] RBP: 00007f88b6f22560 R08: 0000000000000073 R09: 0000000000000001 [ 84.832854][ T286] FAULT_INJECTION: forcing a failure. [ 84.832854][ T286] name failslab, interval 1, probability 10, space 0, times 17 [ 84.839227][ T83] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 84.839235][ T83] R13: 00007ffe1fc5aa70 R14: 0000000000000041 R15: 00007ffe1fc5aa70 [ 84.845907][ T83] FAULT_INJECTION: forcing a failure. [ 84.845907][ T83] name failslab, interval 1, probability 10, space 0, times 16 [ 84.852698][ T133] CPU: 0 PID: 133 Comm: dhcpcd Not tainted syzkaller #0 [ 84.887723][ T133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 84.897788][ T133] Call Trace: [ 84.901098][ T133] __dump_stack+0x21/0x24 [ 84.905439][ T133] dump_stack_lvl+0x1a7/0x208 [ 84.910130][ T133] ? thaw_kernel_threads+0x220/0x220 [ 84.915520][ T133] ? show_regs_print_info+0x18/0x18 [ 84.920730][ T133] ? prandom_u32+0x24d/0x290 [ 84.925366][ T133] dump_stack+0x15/0x1c [ 84.929532][ T133] should_fail+0x3ab/0x500 [ 84.933959][ T133] ? alloc_skb_with_frags+0xa3/0x560 [ 84.939252][ T133] __should_failslab+0xa4/0xe0 [ 84.944025][ T133] should_failslab+0x9/0x20 [ 84.948545][ T133] __kmalloc_track_caller+0x5f/0x310 [ 84.953869][ T133] ? kmem_cache_alloc+0x15a/0x2d0 [ 84.958904][ T133] ? __alloc_skb+0x9e/0x520 [ 84.963417][ T133] ? alloc_skb_with_frags+0xa3/0x560 [ 84.968710][ T133] __alloc_skb+0xdc/0x520 [ 84.973079][ T133] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 84.978545][ T133] alloc_skb_with_frags+0xa3/0x560 [ 84.983665][ T133] ? memcpy+0x56/0x70 [ 84.987656][ T133] sock_alloc_send_pskb+0x87f/0x9a0 [ 84.992869][ T133] ? sock_kzfree_s+0x60/0x60 [ 84.997471][ T133] ? __kasan_check_write+0x14/0x20 [ 85.002601][ T133] ? _raw_spin_lock+0x94/0xf0 [ 85.007296][ T133] ? _raw_spin_trylock_bh+0x150/0x150 [ 85.012689][ T133] unix_dgram_sendmsg+0x6f3/0x18f0 [ 85.017814][ T133] ? selinux_socket_sendmsg+0x22f/0x340 [ 85.023367][ T133] ? selinux_socket_accept+0x570/0x570 [ 85.028841][ T133] ? unix_dgram_poll+0x640/0x640 [ 85.033787][ T133] ? ____sys_recvmsg+0x341/0x5b0 [ 85.038747][ T133] ? file_has_perm+0x52d/0x700 [ 85.043524][ T133] unix_seqpacket_sendmsg+0x118/0x1e0 [ 85.048898][ T133] sock_write_iter+0x2a6/0x3a0 [ 85.053672][ T133] ? sock_read_iter+0x380/0x380 [ 85.058542][ T133] ? security_file_permission+0x83/0xa0 [ 85.064101][ T133] ? iov_iter_init+0x3f/0x120 [ 85.068792][ T133] vfs_write+0x770/0xd70 [ 85.073041][ T133] ? kernel_write+0x3c0/0x3c0 [ 85.077759][ T133] ? selinux_socket_getsockopt+0x22f/0x340 [ 85.083584][ T133] ? __kasan_check_read+0x11/0x20 [ 85.088613][ T133] ? __fdget_pos+0x1f7/0x380 [ 85.093254][ T133] ksys_write+0x14a/0x260 [ 85.097603][ T133] ? __ia32_sys_read+0x90/0x90 [ 85.102377][ T133] __x64_sys_write+0x7b/0x90 [ 85.106973][ T133] do_syscall_64+0x31/0x40 [ 85.111396][ T133] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 85.117322][ T133] RIP: 0033:0x7f03e2e07407 [ 85.121750][ T133] 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 [ 85.141462][ T133] RSP: 002b:00007ffe9f2896f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 85.149887][ T133] RAX: ffffffffffffffda RBX: 00007f03e2d7d740 RCX: 00007f03e2e07407 [ 85.157867][ T133] RDX: 000000000000004e RSI: 00007ffe9f289750 RDI: 0000000000000005 [ 85.165933][ T133] RBP: 00005555ec2dac08 R08: 0000000000000000 R09: 0000000000000000 [ 85.173915][ T133] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe9f289b80 [ 85.181894][ T133] R13: 00005555eef08e20 R14: 0000000000000000 R15: 0000000000000000 [ 85.187663][ C1] FAULT_INJECTION: forcing a failure. [ 85.187663][ C1] name failslab, interval 1, probability 10, space 0, times 16 [ 85.190693][ T94] FAULT_INJECTION: forcing a failure. [ 85.190693][ T94] name failslab, interval 1, probability 10, space 0, times 16 [ 85.202668][ C1] CPU: 1 PID: 112 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 85.202675][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 85.202692][ C1] Workqueue: events_unbound toggle_allocation_gate [ 85.202700][ C1] Call Trace: [ 85.202706][ C1] [ 85.202721][ C1] __dump_stack+0x21/0x24 [ 85.202733][ C1] dump_stack_lvl+0x1a7/0x208 [ 85.202791][ C1] ? thaw_kernel_threads+0x220/0x220 [ 85.216080][ T133] FAULT_INJECTION: forcing a failure. [ 85.216080][ T133] name failslab, interval 1, probability 10, space 0, times 15 [ 85.222978][ C1] ? show_regs_print_info+0x18/0x18 [ 85.223027][ C1] ? prandom_u32+0x24d/0x290 [ 85.282579][ C1] dump_stack+0x15/0x1c [ 85.286751][ C1] should_fail+0x3ab/0x500 [ 85.291183][ C1] ? __alloc_skb+0x9e/0x520 [ 85.295697][ C1] __should_failslab+0xa4/0xe0 [ 85.300476][ C1] should_failslab+0x9/0x20 [ 85.304990][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 85.309767][ C1] __alloc_skb+0x9e/0x520 [ 85.314135][ C1] wg_packet_send_keepalive+0x62/0x1c0 [ 85.319603][ C1] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 85.326202][ C1] wg_expired_send_persistent_keepalive+0x53/0x80 [ 85.328348][ T390] FAULT_INJECTION: forcing a failure. [ 85.328348][ T390] name failslab, interval 1, probability 10, space 0, times 15 [ 85.332673][ C1] ? wg_expired_zero_key_material+0x170/0x170 [ 85.351486][ C1] call_timer_fn+0x38/0x290 [ 85.356011][ C1] ? wg_expired_zero_key_material+0x170/0x170 [ 85.362094][ C1] __run_timers+0x637/0x9a0 [ 85.366609][ C1] ? calc_index+0x200/0x200 [ 85.371121][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 85.376015][ C1] run_timer_softirq+0x6a/0xf0 [ 85.380790][ C1] __do_softirq+0x255/0x563 [ 85.385329][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 85.390884][ C1] asm_call_irq_on_stack+0xf/0x20 [ 85.395913][ C1] [ 85.398865][ C1] do_softirq_own_stack+0x60/0x80 [ 85.403896][ C1] __irq_exit_rcu+0x128/0x150 [ 85.408585][ C1] irq_exit_rcu+0x9/0x10 [ 85.412874][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 85.418521][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 85.424516][ C1] RIP: 0010:smp_call_function_single+0x217/0x490 [ 85.430854][ C1] Code: 41 83 e6 01 49 bc 00 00 00 00 00 fc ff df 75 0a e8 ae 81 0a 00 e9 a4 00 00 00 f3 90 f7 44 24 48 01 00 00 00 0f 84 8f 00 00 00 94 81 0a 00 eb e9 e8 0d 6e 22 03 89 c3 41 89 c4 bf 08 00 00 00 [ 85.450473][ C1] RSP: 0018:ffffc90000ca7700 EFLAGS: 00000202 [ 85.456652][ C1] RAX: ffffffff815a21cc RBX: 0000000000000000 RCX: ffff888111f80000 [ 85.464642][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 85.472629][ C1] RBP: ffffc90000ca77f0 R08: ffff8881f7057647 R09: 1ffff1103ee0aec8 [ 85.480615][ C1] R10: dffffc0000000000 R11: ffffed103ee0aec9 R12: dffffc0000000000 [ 85.488618][ C1] R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff92000194ee4 [ 85.496617][ C1] ? smp_call_function_single+0x21c/0x490 [ 85.502371][ C1] ? text_poke_sync+0x20/0x20 [ 85.507064][ C1] ? flush_smp_call_function_from_idle+0x190/0x190 [ 85.513583][ C1] ? text_poke_sync+0x20/0x20 [ 85.518275][ C1] ? find_next_and_bit+0x16d/0x1b0 [ 85.523404][ C1] smp_call_function_many_cond+0x8f5/0x9d0 [ 85.529230][ C1] ? cpumask_any_but+0xa4/0xc0 [ 85.534003][ C1] ? text_poke_sync+0x20/0x20 [ 85.538688][ C1] ? flush_tlb_mm_range+0x220/0x2c0 [ 85.543894][ C1] ? smp_call_function_many+0x40/0x40 [ 85.549273][ C1] ? __kmalloc_track_caller+0xdd/0x310 [ 85.554758][ C1] ? __text_poke+0x5a4/0x640 [ 85.559362][ C1] ? text_poke_sync+0x20/0x20 [ 85.564051][ C1] on_each_cpu+0xab/0x180 [ 85.568393][ C1] ? text_poke+0x20/0x20 [ 85.572649][ C1] ? smp_call_function+0x90/0x90 [ 85.577596][ C1] ? __kmalloc_track_caller+0xde/0x310 [ 85.583066][ C1] ? memcpy+0x56/0x70 [ 85.587118][ C1] text_poke_bp_batch+0x564/0x5f0 [ 85.592170][ C1] ? text_poke_loc_init+0x590/0x590 [ 85.597382][ C1] ? __kasan_check_write+0x14/0x20 [ 85.602510][ C1] ? mutex_lock+0x92/0xf0 [ 85.606855][ C1] ? wait_for_completion_killable+0x2f/0x30 [ 85.612767][ C1] ? __kmalloc_track_caller+0xdd/0x310 [ 85.618252][ C1] ? __kasan_check_write+0x14/0x20 [ 85.623378][ C1] ? mutex_unlock+0x1c/0x40 [ 85.627897][ C1] text_poke_finish+0x1a/0x30 [ 85.632584][ C1] arch_jump_label_transform_apply+0x15/0x30 [ 85.638574][ C1] __jump_label_update+0x38f/0x3b0 [ 85.643699][ C1] jump_label_update+0x34c/0x3e0 [ 85.648652][ C1] static_key_disable_cpuslocked+0xc5/0x1a0 [ 85.654550][ C1] static_key_disable+0x1a/0x30 [ 85.659412][ C1] toggle_allocation_gate+0x3a5/0x440 [ 85.664795][ C1] ? kfence_protect+0x1b0/0x1b0 [ 85.669675][ C1] ? _raw_spin_unlock_irq+0x4e/0x70 [ 85.674894][ C1] ? finish_task_switch+0x12e/0x5a0 [ 85.680107][ C1] ? switch_mm_irqs_off+0x752/0x990 [ 85.685315][ C1] ? __switch_to_asm+0x3a/0x60 [ 85.690091][ C1] ? __kasan_check_read+0x11/0x20 [ 85.695126][ C1] ? read_word_at_a_time+0x12/0x20 [ 85.700252][ C1] ? strscpy+0x9b/0x290 [ 85.704431][ C1] process_one_work+0x6fd/0xbc0 [ 85.709301][ C1] worker_thread+0xa8e/0x13c0 [ 85.713992][ C1] kthread+0x324/0x3b0 [ 85.718071][ C1] ? worker_clr_flags+0x190/0x190 [ 85.723107][ C1] ? kthread_blkcg+0xd0/0xd0 [ 85.727709][ C1] ret_from_fork+0x1f/0x30 [ 85.732148][ T133] CPU: 0 PID: 133 Comm: dhcpcd Not tainted syzkaller #0 [ 85.739120][ T133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 85.740474][ T300] FAULT_INJECTION: forcing a failure. [ 85.740474][ T300] name failslab, interval 1, probability 10, space 0, times 14 [ 85.749196][ T133] Call Trace: [ 85.765253][ T133] __dump_stack+0x21/0x24 [ 85.769593][ T133] dump_stack_lvl+0x1a7/0x208 [ 85.774290][ T133] ? thaw_kernel_threads+0x220/0x220 [ 85.779585][ T133] ? show_regs_print_info+0x18/0x18 [ 85.784822][ T133] ? prandom_u32+0x24d/0x290 [ 85.789443][ T133] dump_stack+0x15/0x1c [ 85.793612][ T133] should_fail+0x3ab/0x500 [ 85.798048][ T133] ? alloc_skb_with_frags+0xa3/0x560 [ 85.803347][ T133] __should_failslab+0xa4/0xe0 [ 85.808128][ T133] should_failslab+0x9/0x20 [ 85.812647][ T133] __kmalloc_track_caller+0x5f/0x310 [ 85.817971][ T133] ? kmem_cache_alloc+0x15a/0x2d0 [ 85.823001][ T133] ? __alloc_skb+0x9e/0x520 [ 85.827521][ T133] ? alloc_skb_with_frags+0xa3/0x560 [ 85.832817][ T133] __alloc_skb+0xdc/0x520 [ 85.837161][ T133] alloc_skb_with_frags+0xa3/0x560 [ 85.842288][ T133] sock_alloc_send_pskb+0x87f/0x9a0 [ 85.847503][ T133] ? sock_kzfree_s+0x60/0x60 [ 85.852112][ T133] ? __kasan_check_write+0x14/0x20 [ 85.857232][ T133] ? _raw_spin_lock+0x94/0xf0 [ 85.861917][ T133] ? _raw_spin_trylock_bh+0x150/0x150 [ 85.867296][ T133] ? __wake_up+0x11c/0x180 [ 85.871725][ T133] unix_dgram_sendmsg+0x6f3/0x18f0 [ 85.876852][ T133] ? selinux_socket_sendmsg+0x22f/0x340 [ 85.882408][ T133] ? selinux_socket_accept+0x570/0x570 [ 85.887869][ T133] ? unix_dgram_poll+0x640/0x640 [ 85.892923][ T133] ? file_has_perm+0x52d/0x700 [ 85.897701][ T133] unix_seqpacket_sendmsg+0x118/0x1e0 [ 85.903083][ T133] sock_write_iter+0x2a6/0x3a0 [ 85.907855][ T133] ? sock_read_iter+0x380/0x380 [ 85.912717][ T133] ? security_file_permission+0x83/0xa0 [ 85.918268][ T133] ? iov_iter_init+0x3f/0x120 [ 85.922949][ T133] vfs_write+0x770/0xd70 [ 85.927200][ T133] ? kernel_write+0x3c0/0x3c0 [ 85.931881][ T133] ? selinux_socket_getsockopt+0x22f/0x340 [ 85.937709][ T133] ? __kasan_check_read+0x11/0x20 [ 85.942743][ T133] ? __fdget_pos+0x1f7/0x380 [ 85.947345][ T133] ksys_write+0x14a/0x260 [ 85.951680][ T133] ? __ia32_sys_read+0x90/0x90 [ 85.956458][ T133] __x64_sys_write+0x7b/0x90 [ 85.961068][ T133] do_syscall_64+0x31/0x40 [ 85.965493][ T133] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 85.971393][ T133] RIP: 0033:0x7f03e2e07407 [ 85.975907][ T133] 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 [ 85.995612][ T133] RSP: 002b:00007ffe9f2896f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 86.004040][ T133] RAX: ffffffffffffffda RBX: 00007f03e2d7d740 RCX: 00007f03e2e07407 [ 86.012032][ T133] RDX: 000000000000001b RSI: 00007ffe9f289750 RDI: 0000000000000005 [ 86.020014][ T133] RBP: 00005555ec2d8364 R08: 0000000000000000 R09: 0000000000000000 [ 86.027992][ T133] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe9f289b80 [ 86.035999][ T133] R13: 00007ffe9f289c70 R14: ffffffffffffffff R15: 0000000000000003 [ 86.043992][ T300] CPU: 1 PID: 300 Comm: udevd Not tainted syzkaller #0 [ 86.050861][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 86.060932][ T300] Call Trace: [ 86.064341][ T300] __dump_stack+0x21/0x24 [ 86.068703][ T300] dump_stack_lvl+0x1a7/0x208 [ 86.073398][ T300] ? thaw_kernel_threads+0x220/0x220 [ 86.078715][ T300] ? show_regs_print_info+0x18/0x18 [ 86.084642][ T300] ? prandom_u32+0x24d/0x290 [ 86.087715][ C0] FAULT_INJECTION: forcing a failure. [ 86.087715][ C0] name failslab, interval 1, probability 10, space 0, times 14 [ 86.089299][ T300] dump_stack+0x15/0x1c [ 86.106171][ T300] should_fail+0x3ab/0x500 [ 86.110612][ T300] ? __sigqueue_alloc+0x18b/0x2c0 [ 86.115650][ T300] __should_failslab+0xa4/0xe0 [ 86.120429][ T300] should_failslab+0x9/0x20 [ 86.124947][ T300] kmem_cache_alloc+0x3d/0x2d0 [ 86.129740][ T300] __sigqueue_alloc+0x18b/0x2c0 [ 86.134634][ T300] __send_signal+0x1df/0xc10 [ 86.139247][ T300] do_notify_parent+0x6a8/0x810 [ 86.144116][ T300] ? complete_signal+0x900/0x900 [ 86.149095][ T300] ? _raw_write_lock_irqsave+0x130/0x130 [ 86.154760][ T300] ? kill_orphaned_pgrp+0x173/0x570 [ 86.159977][ T300] do_exit+0x166f/0x24e0 [ 86.164231][ T300] ? vmacache_update+0xb7/0x120 [ 86.169098][ T300] ? __kasan_check_write+0x14/0x20 [ 86.174222][ T300] ? _raw_spin_lock+0x94/0xf0 [ 86.178914][ T300] ? put_task_struct+0x90/0x90 [ 86.183689][ T300] ? __kasan_check_write+0x14/0x20 [ 86.188816][ T300] ? fput_many+0x15a/0x1a0 [ 86.193263][ T300] do_group_exit+0x149/0x310 [ 86.197867][ T300] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 86.203961][ T300] __x64_sys_exit_group+0x3f/0x40 [ 86.209004][ T300] do_syscall_64+0x31/0x40 [ 86.213440][ T300] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 86.219367][ T300] RIP: 0033:0x7fb3d89ef6c5 [ 86.223790][ T300] Code: Unable to access opcode bytes at RIP 0x7fb3d89ef69b. [ 86.231176][ T300] RSP: 002b:00007ffe4691a728 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 86.239610][ T300] RAX: ffffffffffffffda RBX: 000055c1e4a06bd0 RCX: 00007fb3d89ef6c5 [ 86.247600][ T300] RDX: 00000000000000e7 RSI: fffffffffffffe68 RDI: 0000000000000000 [ 86.255777][ T300] RBP: 000055c1e47b92c0 R08: 0000000000000000 R09: 0000000000000000 [ 86.263763][ T300] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.271744][ T300] R13: 00007ffe4691a770 R14: 0000000000000000 R15: 0000000000000000 [ 86.279742][ C0] CPU: 0 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 86.286528][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 86.296691][ C0] Call Trace: [ 86.300000][ C0] [ 86.302920][ C0] __dump_stack+0x21/0x24 [ 86.307265][ C0] dump_stack_lvl+0x1a7/0x208 [ 86.311955][ C0] ? thaw_kernel_threads+0x220/0x220 [ 86.317255][ C0] ? show_regs_print_info+0x18/0x18 [ 86.322466][ C0] ? prandom_u32+0x24d/0x290 [ 86.327069][ C0] dump_stack+0x15/0x1c [ 86.331249][ C0] should_fail+0x3ab/0x500 [ 86.335681][ C0] ? __alloc_skb+0x9e/0x520 [ 86.340208][ C0] __should_failslab+0xa4/0xe0 [ 86.345006][ C0] should_failslab+0x9/0x20 [ 86.349528][ C0] kmem_cache_alloc+0x3d/0x2d0 [ 86.354304][ C0] __alloc_skb+0x9e/0x520 [ 86.358676][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 86.364496][ C0] ? find_next_bit+0x80/0x100 [ 86.369185][ C0] wg_packet_send_keepalive+0x62/0x1c0 [ 86.374691][ C0] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 86.381328][ C0] wg_expired_send_persistent_keepalive+0x53/0x80 [ 86.387758][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 86.393864][ C0] call_timer_fn+0x38/0x290 [ 86.398379][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 86.404455][ C0] __run_timers+0x637/0x9a0 [ 86.408980][ C0] ? calc_index+0x200/0x200 [ 86.413491][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 86.418352][ C0] run_timer_softirq+0x6a/0xf0 [ 86.423129][ C0] __do_softirq+0x255/0x563 [ 86.427645][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 86.433210][ C0] asm_call_irq_on_stack+0xf/0x20 [ 86.438243][ C0] [ 86.441202][ C0] do_softirq_own_stack+0x60/0x80 [ 86.446243][ C0] __irq_exit_rcu+0x128/0x150 [ 86.450955][ C0] irq_exit_rcu+0x9/0x10 [ 86.455238][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 86.460888][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 86.466882][ C0] RIP: 0010:dump_stack_lvl+0xf9/0x208 [ 86.472267][ C0] Code: 49 bd 04 00 00 00 00 fc ff df 44 89 ff 44 89 f6 e8 e4 34 eb fc 45 39 f7 0f 84 86 00 00 00 48 89 5c 24 18 ff 74 24 18 9d f3 90 <48> c7 c7 60 f5 76 86 be 04 00 00 00 e8 3e aa 25 fd 8b 05 38 85 fd [ 86.492607][ C0] RSP: 0018:ffffc90000b77720 EFLAGS: 00000293 [ 86.498701][ C0] RAX: ffffffff84797032 RBX: 0000000000000293 RCX: ffff88810d5ecf00 [ 86.506682][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 86.514670][ C0] RBP: ffffc90000b777d8 R08: 0000000000000003 R09: 0000000000000004 [ 86.522652][ C0] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff9200016eee8 [ 86.530631][ C0] R13: dffffc0000000004 R14: 0000000000000001 R15: 0000000000000000 [ 86.538630][ C0] ? dump_stack_lvl+0x11a/0x208 [ 86.543496][ C0] ? show_regs_print_info+0x18/0x18 [ 86.548703][ C0] dump_stack+0x15/0x1c [ 86.552870][ C0] should_fail+0x3ab/0x500 [ 86.557300][ C0] ? __alloc_skb+0x9e/0x520 [ 86.561817][ C0] __should_failslab+0xa4/0xe0 [ 86.566594][ C0] should_failslab+0x9/0x20 [ 86.571119][ C0] kmem_cache_alloc+0x3d/0x2d0 [ 86.575910][ C0] ? schedule_preempt_disabled+0x20/0x20 [ 86.581555][ C0] __alloc_skb+0x9e/0x520 [ 86.585904][ C0] ? rcu_preempt_deferred_qs_irqrestore+0x637/0x910 [ 86.592511][ C0] alloc_skb_with_frags+0xa3/0x560 [ 86.597642][ C0] sock_alloc_send_pskb+0x87f/0x9a0 [ 86.602868][ C0] ? sock_kzfree_s+0x60/0x60 [ 86.607476][ C0] ? __kasan_check_write+0x14/0x20 [ 86.612717][ C0] ? _raw_spin_lock+0x94/0xf0 [ 86.617417][ C0] ? _raw_spin_trylock_bh+0x150/0x150 [ 86.622806][ C0] unix_dgram_sendmsg+0x6f3/0x18f0 [ 86.627937][ C0] ? unix_dgram_poll+0x640/0x640 [ 86.632894][ C0] ? cap_capable+0x19c/0x220 [ 86.637499][ C0] ? security_socket_sendmsg+0x82/0xa0 [ 86.642973][ C0] __sys_sendto+0x467/0x620 [ 86.647669][ C0] ? __ia32_sys_getpeername+0x90/0x90 [ 86.653061][ C0] ? fpu__clear_all+0x20/0x20 [ 86.657756][ C0] __x64_sys_sendto+0xe5/0x100 [ 86.662535][ C0] do_syscall_64+0x31/0x40 [ 86.667003][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 86.672913][ C0] RIP: 0033:0x7f88b6e1b407 [ 86.677343][ C0] 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 [ 86.696963][ C0] RSP: 002b:00007ffe1fc5a930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 86.705395][ C0] RAX: ffffffffffffffda RBX: 00007f88b6ccbc80 RCX: 00007f88b6e1b407 [ 86.713387][ C0] RDX: 000000000000004b RSI: 00007ffe1fc5aa70 RDI: 0000000000000003 [ 86.721375][ C0] RBP: 00007ffe1fc5aea0 R08: 0000000000000000 R09: 0000000000000000 [ 86.729366][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe1fc5aeb8 [ 86.737353][ C0] R13: 00007ffe1fc5aa70 R14: 0000000000000030 R15: 00007ffe1fc5aa70 [ 86.745346][ T286] CPU: 1 PID: 286 Comm: sshd-session Not tainted syzkaller #0 [ 86.752841][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 86.762962][ T286] Call Trace: [ 86.766271][ T286] __dump_stack+0x21/0x24 [ 86.770617][ T286] dump_stack_lvl+0x1a7/0x208 [ 86.775307][ T286] ? thaw_kernel_threads+0x220/0x220 [ 86.780609][ T286] ? show_regs_print_info+0x18/0x18 [ 86.785828][ T286] ? prandom_u32+0x24d/0x290 [ 86.790434][ T286] dump_stack+0x15/0x1c [ 86.794624][ T286] should_fail+0x3ab/0x500 [ 86.799058][ T286] ? __alloc_skb+0x9e/0x520 [ 86.803598][ T286] __should_failslab+0xa4/0xe0 [ 86.808374][ T286] should_failslab+0x9/0x20 [ 86.812892][ T286] kmem_cache_alloc+0x3d/0x2d0 [ 86.817666][ T286] __alloc_skb+0x9e/0x520 [ 86.822006][ T286] sk_stream_alloc_skb+0x216/0xb70 [ 86.827129][ T286] tcp_sendmsg_locked+0xc92/0x34e0 [ 86.832263][ T286] ? __kasan_check_write+0x14/0x20 [ 86.837390][ T286] ? _raw_spin_lock_bh+0x94/0xf0 [ 86.842359][ T286] ? local_bh_enable+0x1f/0x30 [ 86.847135][ T286] ? tcp_free_fastopen_req+0x80/0x80 [ 86.852431][ T286] ? file_has_perm+0x52d/0x700 [ 86.857209][ T286] tcp_sendmsg+0x2f/0x50 [ 86.861465][ T286] inet_sendmsg+0xa5/0xc0 [ 86.865808][ T286] sock_write_iter+0x2a6/0x3a0 [ 86.870584][ T286] ? sock_read_iter+0x380/0x380 [ 86.875449][ T286] ? security_file_permission+0x83/0xa0 [ 86.881010][ T286] ? iov_iter_init+0x3f/0x120 [ 86.885726][ T286] vfs_write+0x770/0xd70 [ 86.889977][ T286] ? kernel_write+0x3c0/0x3c0 [ 86.894668][ T286] ? _raw_spin_unlock_irq+0x4e/0x70 [ 86.899970][ T286] ? __kasan_check_read+0x11/0x20 [ 86.905000][ T286] ? __fdget_pos+0x1f7/0x380 [ 86.909597][ T286] ksys_write+0x14a/0x260 [ 86.913946][ T286] ? __ia32_sys_read+0x90/0x90 [ 86.918728][ T286] ? debug_smp_processor_id+0x17/0x20 [ 86.924116][ T286] __x64_sys_write+0x7b/0x90 [ 86.928743][ T286] do_syscall_64+0x31/0x40 [ 86.933176][ T286] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 86.939080][ T286] RIP: 0033:0x7f4804ee8407 [ 86.943524][ T286] 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 [ 86.963139][ T286] RSP: 002b:00007ffe080eb410 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 86.971568][ T286] RAX: ffffffffffffffda RBX: 00007f4804df4300 RCX: 00007f4804ee8407 [ 86.979564][ T286] RDX: 0000000000000024 RSI: 000055576f33f130 RDI: 0000000000000004 [ 86.987544][ T286] RBP: 000055576f342c60 R08: 0000000000000000 R09: 0000000000000000 [ 86.995539][ T286] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 87.003533][ T286] R13: 00007ffe080eb560 R14: 0000000000000000 R15: 0000000000000004 [ 87.011535][ T94] CPU: 0 PID: 94 Comm: udevd Not tainted syzkaller #0 [ 87.018326][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 87.028398][ T94] Call Trace: [ 87.031737][ T94] __dump_stack+0x21/0x24 [ 87.036076][ T94] dump_stack_lvl+0x1a7/0x208 [ 87.040767][ T94] ? thaw_kernel_threads+0x220/0x220 [ 87.046077][ T94] ? show_regs_print_info+0x18/0x18 [ 87.051313][ T94] ? prandom_u32+0x24d/0x290 [ 87.055922][ T94] dump_stack+0x15/0x1c [ 87.060087][ T94] should_fail+0x3ab/0x500 [ 87.064545][ T94] ? getname_flags+0xba/0x510 [ 87.069235][ T94] __should_failslab+0xa4/0xe0 [ 87.074019][ T94] should_failslab+0x9/0x20 [ 87.078542][ T94] kmem_cache_alloc+0x3d/0x2d0 [ 87.083322][ T94] getname_flags+0xba/0x510 [ 87.087833][ T94] ? remove_wait_queue+0x140/0x140 [ 87.092972][ T94] user_path_at_empty+0x2f/0x50 [ 87.097875][ T94] vfs_statx+0x10a/0x530 [ 87.102145][ T94] ? __send_signal+0x929/0xc10 [ 87.106921][ T94] ? _raw_spin_lock+0xf0/0xf0 [ 87.111616][ T94] ? vfs_fstatat+0x40/0x40 [ 87.116044][ T94] __se_sys_newfstatat+0x10e/0x3d0 [ 87.121168][ T94] ? do_send_sig_info+0xf5/0x210 [ 87.126157][ T94] ? __x64_sys_newfstatat+0xb0/0xb0 [ 87.131369][ T94] ? group_send_sig_info+0x1a3/0x2d0 [ 87.136667][ T94] ? __lock_task_sighand+0x100/0x100 [ 87.141965][ T94] ? radix_tree_lookup+0x183/0x1d0 [ 87.147090][ T94] ? idr_find+0x41/0x60 [ 87.151259][ T94] ? debug_smp_processor_id+0x17/0x20 [ 87.156640][ T94] __x64_sys_newfstatat+0x9b/0xb0 [ 87.161679][ T94] do_syscall_64+0x31/0x40 [ 87.166108][ T94] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 87.172010][ T94] RIP: 0033:0x7fb3d8a0fb0a [ 87.176438][ T94] 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 [ 87.196073][ T94] RSP: 002b:00007ffe4691a808 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 87.204513][ T94] RAX: ffffffffffffffda RBX: 000055c1cd580400 RCX: 00007fb3d8a0fb0a [ 87.212497][ T94] RDX: 00007ffe4691a810 RSI: 000055c1cd56e296 RDI: 00000000ffffff9c [ 87.220486][ T94] RBP: 000055c1e49f9658 R08: 0000000005137ca2 R09: 0008fa76c69f5462 [ 87.228471][ T94] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 87.236464][ T94] R13: 00007ffe4691a810 R14: 0000000000000000 R15: 0000000000000000 [ 87.244688][ T342] FAULT_INJECTION: forcing a failure. [ 87.244688][ T342] name failslab, interval 1, probability 10, space 0, times 11 [ 87.247005][ C0] FAULT_INJECTION: forcing a failure. [ 87.247005][ C0] name failslab, interval 1, probability 10, space 0, times 10 [ 87.257854][ T390] CPU: 1 PID: 390 Comm: syz-executor Not tainted syzkaller #0 [ 87.277746][ T390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 87.287837][ T390] Call Trace: [ 87.291159][ T390] __dump_stack+0x21/0x24 [ 87.295501][ T390] dump_stack_lvl+0x1a7/0x208 [ 87.300287][ T390] ? show_regs_print_info+0x18/0x18 [ 87.305529][ T390] ? prandom_u32+0x24d/0x290 [ 87.310132][ T390] dump_stack+0x15/0x1c [ 87.314301][ T390] should_fail+0x3ab/0x500 [ 87.318738][ T390] ? nf_nat_masq_schedule+0x215/0x4a0 [ 87.324125][ T390] __should_failslab+0xa4/0xe0 [ 87.328905][ T390] should_failslab+0x9/0x20 [ 87.333420][ T390] kmem_cache_alloc_trace+0x3a/0x2e0 [ 87.338720][ T390] ? inet6_fill_ifla6_attrs+0x22c0/0x22c0 [ 87.344456][ T390] nf_nat_masq_schedule+0x215/0x4a0 [ 87.349673][ T390] ? masq_inet_event+0x1c0/0x1c0 [ 87.354719][ T390] ? masq_device_event+0xd0/0xd0 [ 87.359672][ T390] ? memcpy+0x56/0x70 [ 87.363667][ T390] masq_inet6_event+0xe6/0x130 [ 87.368444][ T390] atomic_notifier_call_chain+0x99/0x110 [ 87.374101][ T390] inet6addr_notifier_call_chain+0x24/0x30 [ 87.379932][ T390] addrconf_ifdown+0xdbe/0x1890 [ 87.384797][ T390] ? addrconf_cleanup+0x1c0/0x1c0 [ 87.389953][ T390] ? __kasan_check_write+0x14/0x20 [ 87.395165][ T390] ? mutex_lock+0x92/0xf0 [ 87.399524][ T390] ? mutex_trylock+0xb0/0xb0 [ 87.404136][ T390] ? nf_nat_masq_schedule+0x4a0/0x4a0 [ 87.409524][ T390] addrconf_notify+0x3bd/0xea0 [ 87.414303][ T390] raw_notifier_call_chain+0x90/0x100 [ 87.419692][ T390] dev_close_many+0x328/0x4d0 [ 87.424378][ T390] ? __dev_open+0x500/0x500 [ 87.428896][ T390] ? __kasan_check_read+0x11/0x20 [ 87.433940][ T390] unregister_netdevice_many+0x477/0x19f0 [ 87.439678][ T390] ? alloc_netdev_mqs+0xca0/0xca0 [ 87.444731][ T390] ? __queue_delayed_work+0x188/0x200 [ 87.450126][ T390] ? __kasan_check_read+0x11/0x20 [ 87.455190][ T390] unregister_netdevice_queue+0x2e1/0x320 [ 87.460916][ T390] ? linkwatch_urgent_event+0x34d/0x460 [ 87.466476][ T390] ? list_netdevice+0x4c0/0x4c0 [ 87.471340][ T390] ? linkwatch_fire_event+0x2d3/0x330 [ 87.476726][ T390] __tun_detach+0xc9d/0x1450 [ 87.481330][ T390] tun_chr_close+0x92/0x140 [ 87.485879][ T390] ? tun_chr_open+0x540/0x540 [ 87.490571][ T390] __fput+0x2dc/0x730 [ 87.494572][ T390] ____fput+0x15/0x20 [ 87.498567][ T390] task_work_run+0x127/0x190 [ 87.503170][ T390] do_exit+0xa7c/0x24e0 [ 87.507357][ T390] ? vmacache_update+0xb7/0x120 [ 87.512228][ T390] ? put_task_struct+0x90/0x90 [ 87.517016][ T390] ? __kasan_check_write+0x14/0x20 [ 87.522147][ T390] ? switch_fpu_return+0x19c/0x330 [ 87.527274][ T390] ? fpu__clear_all+0x20/0x20 [ 87.531968][ T390] do_group_exit+0x149/0x310 [ 87.536578][ T390] __x64_sys_exit_group+0x3f/0x40 [ 87.541615][ T390] do_syscall_64+0x31/0x40 [ 87.546039][ T390] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 87.551945][ T390] RIP: 0033:0x7f059ae44e99 [ 87.556371][ T390] Code: Unable to access opcode bytes at RIP 0x7f059ae44e6f. [ 87.563741][ T390] RSP: 002b:00007ffff0235e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 87.572169][ T390] RAX: ffffffffffffffda RBX: 00007f059aeda316 RCX: 00007f059ae44e99 [ 87.580162][ T390] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 87.588143][ T390] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f059aeda30a [ 87.596149][ T390] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffff02370a0 [ 87.604160][ T390] R13: 00007f059aeda30a R14: 000000000000deae R15: 00007ffff02370e0 [ 87.612169][ C0] CPU: 0 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 87.618959][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 87.629038][ C0] Call Trace: [ 87.632334][ C0] [ 87.635212][ C0] __dump_stack+0x21/0x24 [ 87.639565][ C0] dump_stack_lvl+0x1a7/0x208 [ 87.644292][ C0] ? thaw_kernel_threads+0x220/0x220 [ 87.649597][ C0] ? show_regs_print_info+0x18/0x18 [ 87.654892][ C0] ? prandom_u32+0x24d/0x290 [ 87.659502][ C0] dump_stack+0x15/0x1c [ 87.663676][ C0] should_fail+0x3ab/0x500 [ 87.668100][ C0] ? __napi_alloc_skb+0x158/0x2e0 [ 87.673136][ C0] __should_failslab+0xa4/0xe0 [ 87.677913][ C0] should_failslab+0x9/0x20 [ 87.682434][ C0] __kmalloc_track_caller+0x5f/0x310 [ 87.687735][ C0] ? kmem_cache_alloc+0x15a/0x2d0 [ 87.692767][ C0] ? __alloc_skb+0x9e/0x520 [ 87.697287][ C0] ? __napi_alloc_skb+0x158/0x2e0 [ 87.702327][ C0] __alloc_skb+0xdc/0x520 [ 87.706682][ C0] ? worker_thread+0xa8e/0x13c0 [ 87.711576][ C0] __napi_alloc_skb+0x158/0x2e0 [ 87.716441][ C0] page_to_skb+0x40/0x930 [ 87.717833][ T94] FAULT_INJECTION: forcing a failure. [ 87.717833][ T94] name failslab, interval 1, probability 10, space 0, times 9 [ 87.720815][ C0] receive_buf+0xc03/0x46a0 [ 87.738061][ C0] ? ____kasan_slab_free+0x130/0x160 [ 87.743359][ C0] ? virtnet_poll_tx+0x520/0x520 [ 87.748318][ C0] ? __kasan_slab_free+0x11/0x20 [ 87.753266][ C0] ? __kasan_check_write+0x14/0x20 [ 87.758389][ C0] ? sk_free+0x6a/0x90 [ 87.762470][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60 [ 87.767945][ C0] ? detach_buf_split+0x88d/0xa90 [ 87.772983][ C0] ? __kasan_check_write+0x14/0x20 [ 87.778104][ C0] ? virtqueue_get_buf_ctx+0x700/0xf60 [ 87.783580][ C0] virtnet_poll+0x3c9/0xef0 [ 87.788101][ C0] ? refill_work+0x1f0/0x1f0 [ 87.792701][ C0] ? virtqueue_disable_cb+0xe7/0x270 [ 87.797999][ C0] net_rx_action+0x48d/0xed0 [ 87.802595][ C0] ? net_tx_action+0x530/0x530 [ 87.807458][ C0] __do_softirq+0x255/0x563 [ 87.812015][ C0] asm_call_irq_on_stack+0xf/0x20 [ 87.817045][ C0] [ 87.820003][ C0] do_softirq_own_stack+0x60/0x80 [ 87.825038][ C0] __irq_exit_rcu+0x128/0x150 [ 87.829726][ C0] ? handle_fasteoi_nmi+0x360/0x360 [ 87.834937][ C0] irq_exit_rcu+0x9/0x10 [ 87.839188][ C0] common_interrupt+0x100/0x180 [ 87.844068][ C0] asm_common_interrupt+0x1e/0x40 [ 87.849151][ C0] RIP: 0010:_raw_spin_unlock_irq+0x49/0x70 [ 87.855003][ C0] Code: 12 48 89 fb 48 c7 c7 b0 73 4c 86 e8 01 5d 1d fd 48 89 df 48 83 3d 26 b8 ca 01 00 74 27 e8 b3 18 ca fc 66 90 fb bf 01 00 00 00 b2 14 c3 fc 65 8b 05 e7 b1 80 7b 85 c0 74 03 5b 5d c3 e8 d3 b1 [ 87.874621][ C0] RSP: 0018:ffffc90000b77430 EFLAGS: 00000246 [ 87.880702][ C0] RAX: 0000000000000001 RBX: dffffc0000000000 RCX: dffffc0000000000 [ 87.888687][ C0] RDX: 0000000000000001 RSI: ffffffff85406200 RDI: 0000000000000001 [ 87.896673][ C0] RBP: ffffc90000b77438 R08: ffff88811b933b47 R09: 1ffff11023726768 [ 87.904656][ C0] R10: dffffc0000000000 R11: ffffed1023726769 R12: ffff8881f7055fc0 [ 87.912639][ C0] R13: ffff88811b933b6c R14: 0000000000000000 R15: ffff88810d5ecf00 [ 87.920632][ C0] finish_task_switch+0x12e/0x5a0 [ 87.925663][ C0] ? __switch_to_asm+0x3a/0x60 [ 87.930438][ C0] __schedule+0xc0b/0x13e0 [ 87.934873][ C0] ? __sched_text_start+0x8/0x8 [ 87.939745][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 87.944947][ C0] ? sched_clock+0x3a/0x40 [ 87.949379][ C0] preempt_schedule_irq+0xaa/0x120 [ 87.954501][ C0] ? preempt_schedule_notrace+0x120/0x120 [ 87.960233][ C0] ? __irq_exit_rcu+0x40/0x150 [ 87.965006][ C0] irqentry_exit+0x56/0x60 [ 87.969432][ C0] sysvec_apic_timer_interrupt+0xcb/0xe0 [ 87.975075][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 87.981068][ C0] RIP: 0010:dump_stack_lvl+0xf9/0x208 [ 87.986448][ C0] Code: 49 bd 04 00 00 00 00 fc ff df 44 89 ff 44 89 f6 e8 e4 34 eb fc 45 39 f7 0f 84 86 00 00 00 48 89 5c 24 18 ff 74 24 18 9d f3 90 <48> c7 c7 60 f5 76 86 be 04 00 00 00 e8 3e aa 25 fd 8b 05 38 85 fd [ 88.006063][ C0] RSP: 0018:ffffc90000b77720 EFLAGS: 00000293 [ 88.012353][ C0] RAX: ffffffff84797032 RBX: 0000000000000293 RCX: ffff88810d5ecf00 [ 88.020332][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 88.028325][ C0] RBP: ffffc90000b777d8 R08: 0000000000000003 R09: 0000000000000004 [ 88.036307][ C0] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff9200016eee8 [ 88.044286][ C0] R13: dffffc0000000004 R14: 0000000000000001 R15: 0000000000000000 [ 88.052285][ C0] ? dump_stack_lvl+0x11a/0x208 [ 88.057151][ C0] ? show_regs_print_info+0x18/0x18 [ 88.062365][ C0] dump_stack+0x15/0x1c [ 88.066556][ C0] should_fail+0x3ab/0x500 [ 88.070986][ C0] ? __alloc_skb+0x9e/0x520 [ 88.075509][ C0] __should_failslab+0xa4/0xe0 [ 88.080284][ C0] should_failslab+0x9/0x20 [ 88.084799][ C0] kmem_cache_alloc+0x3d/0x2d0 [ 88.089580][ C0] ? schedule_preempt_disabled+0x20/0x20 [ 88.095229][ C0] __alloc_skb+0x9e/0x520 [ 88.099568][ C0] ? rcu_preempt_deferred_qs_irqrestore+0x637/0x910 [ 88.106163][ C0] alloc_skb_with_frags+0xa3/0x560 [ 88.111302][ C0] sock_alloc_send_pskb+0x87f/0x9a0 [ 88.116542][ C0] ? sock_kzfree_s+0x60/0x60 [ 88.121168][ C0] ? __kasan_check_write+0x14/0x20 [ 88.126296][ C0] ? _raw_spin_lock+0x94/0xf0 [ 88.131011][ C0] ? _raw_spin_trylock_bh+0x150/0x150 [ 88.136392][ C0] unix_dgram_sendmsg+0x6f3/0x18f0 [ 88.141518][ C0] ? unix_dgram_poll+0x640/0x640 [ 88.146480][ C0] ? cap_capable+0x19c/0x220 [ 88.151113][ C0] ? security_socket_sendmsg+0x82/0xa0 [ 88.156581][ C0] __sys_sendto+0x467/0x620 [ 88.161102][ C0] ? __ia32_sys_getpeername+0x90/0x90 [ 88.166506][ C0] ? fpu__clear_all+0x20/0x20 [ 88.171204][ C0] __x64_sys_sendto+0xe5/0x100 [ 88.175983][ C0] do_syscall_64+0x31/0x40 [ 88.180420][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 88.186330][ C0] RIP: 0033:0x7f88b6e1b407 [ 88.190780][ C0] 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 [ 88.210485][ C0] RSP: 002b:00007ffe1fc5a930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 88.219092][ C0] RAX: ffffffffffffffda RBX: 00007f88b6ccbc80 RCX: 00007f88b6e1b407 [ 88.227100][ C0] RDX: 000000000000004b RSI: 00007ffe1fc5aa70 RDI: 0000000000000003 [ 88.235086][ C0] RBP: 00007ffe1fc5aea0 R08: 0000000000000000 R09: 0000000000000000 [ 88.243073][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe1fc5aeb8 [ 88.251068][ C0] R13: 00007ffe1fc5aa70 R14: 0000000000000030 R15: 00007ffe1fc5aa70 [ 88.259108][ T94] CPU: 1 PID: 94 Comm: udevd Not tainted syzkaller #0 [ 88.260065][ C0] FAULT_INJECTION: forcing a failure. [ 88.260065][ C0] name failslab, interval 1, probability 10, space 0, times 8 [ 88.265920][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 88.288622][ T94] Call Trace: [ 88.291930][ T94] __dump_stack+0x21/0x24 [ 88.296290][ T94] dump_stack_lvl+0x1a7/0x208 [ 88.300983][ T94] ? thaw_kernel_threads+0x220/0x220 [ 88.306306][ T94] ? show_regs_print_info+0x18/0x18 [ 88.311514][ T94] ? prandom_u32+0x24d/0x290 [ 88.316124][ T94] dump_stack+0x15/0x1c [ 88.320311][ T94] should_fail+0x3ab/0x500 [ 88.324757][ T94] ? getname_flags+0xba/0x510 [ 88.329449][ T94] __should_failslab+0xa4/0xe0 [ 88.334227][ T94] should_failslab+0x9/0x20 [ 88.338741][ T94] kmem_cache_alloc+0x3d/0x2d0 [ 88.343546][ T94] getname_flags+0xba/0x510 [ 88.348090][ T94] user_path_at_empty+0x2f/0x50 [ 88.352953][ T94] vfs_statx+0x10a/0x530 [ 88.357382][ T94] ? from_kgid_munged+0x193/0x6e0 [ 88.362412][ T94] ? vfs_fstatat+0x40/0x40 [ 88.366859][ T94] __se_sys_newfstatat+0x10e/0x3d0 [ 88.371989][ T94] ? do_send_sig_info+0xf5/0x210 [ 88.376943][ T94] ? __x64_sys_newfstatat+0xb0/0xb0 [ 88.382163][ T94] ? idr_find+0x41/0x60 [ 88.386341][ T94] ? fpu__clear_all+0x20/0x20 [ 88.391041][ T94] ? debug_smp_processor_id+0x17/0x20 [ 88.396446][ T94] __x64_sys_newfstatat+0x9b/0xb0 [ 88.401484][ T94] do_syscall_64+0x31/0x40 [ 88.405911][ T94] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 88.411815][ T94] RIP: 0033:0x7fb3d8a0fb0a [ 88.416247][ T94] 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 [ 88.435861][ T94] RSP: 002b:00007ffe4691a808 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 88.444288][ T94] RAX: ffffffffffffffda RBX: 000055c1cd580418 RCX: 00007fb3d8a0fb0a [ 88.452275][ T94] RDX: 00007ffe4691a810 RSI: 000055c1cd56eef3 RDI: 00000000ffffff9c [ 88.460257][ T94] RBP: 000055c1e49f9658 R08: 00065799a7ea58f0 R09: 0008fa76c69f5462 [ 88.468237][ T94] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 88.476246][ T94] R13: 00007ffe4691a810 R14: 0000000000000000 R15: 00065799a7ea58f0 [ 88.484238][ C0] CPU: 0 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 88.491018][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 88.501087][ C0] Call Trace: [ 88.504395][ C0] [ 88.507267][ C0] __dump_stack+0x21/0x24 [ 88.511610][ C0] dump_stack_lvl+0x1a7/0x208 [ 88.516305][ C0] ? show_regs_print_info+0x18/0x18 [ 88.521525][ C0] dump_stack+0x15/0x1c [ 88.525693][ C0] should_fail+0x3ab/0x500 [ 88.530125][ C0] ? __alloc_skb+0x9e/0x520 [ 88.534733][ C0] __should_failslab+0xa4/0xe0 [ 88.539513][ C0] should_failslab+0x9/0x20 [ 88.544025][ C0] kmem_cache_alloc+0x3d/0x2d0 [ 88.548801][ C0] __alloc_skb+0x9e/0x520 [ 88.553140][ C0] ? tcp_try_coalesce+0x309/0x610 [ 88.558180][ C0] __tcp_send_ack+0x9b/0x650 [ 88.562791][ C0] tcp_send_ack+0x3b/0x60 [ 88.567132][ C0] __tcp_ack_snd_check+0x400/0x8e0 [ 88.572265][ C0] tcp_rcv_established+0x1179/0x19c0 [ 88.577666][ C0] ? tcp_check_space+0x8d0/0x8d0 [ 88.582613][ C0] ? ipv4_dst_check+0xf2/0x160 [ 88.587384][ C0] tcp_v4_do_rcv+0x3e4/0x7c0 [ 88.591982][ C0] tcp_v4_rcv+0x2295/0x2810 [ 88.596518][ C0] ? __kasan_check_write+0x14/0x20 [ 88.601638][ C0] ? tcp_filter+0x90/0x90 [ 88.605990][ C0] ? nf_nat_ipv4_local_in+0x217/0x570 [ 88.611371][ C0] ip_protocol_deliver_rcu+0x302/0x650 [ 88.616845][ C0] ip_local_deliver+0x2dd/0x530 [ 88.621741][ C0] ? ip_protocol_deliver_rcu+0x650/0x650 [ 88.627386][ C0] ? ip_local_deliver+0x530/0x530 [ 88.632426][ C0] ? ip_rcv_finish_core+0xa5a/0x1300 [ 88.637722][ C0] ? do_softirq_own_stack+0x60/0x80 [ 88.642960][ C0] ip_sublist_rcv+0x75b/0x8b0 [ 88.647654][ C0] ? consume_skb+0xd4/0x1f0 [ 88.652174][ C0] ? ip_list_rcv+0x430/0x430 [ 88.656777][ C0] ? ip_rcv_core+0xac0/0xac0 [ 88.661386][ C0] ? ip_rcv_core+0x6a7/0xac0 [ 88.666017][ C0] ip_list_rcv+0x3e4/0x430 [ 88.670442][ C0] ? __napi_alloc_skb+0x158/0x2e0 [ 88.675475][ C0] ? ip_rcv_finish+0xc0/0xc0 [ 88.680092][ C0] ? __kasan_check_write+0x14/0x20 [ 88.685217][ C0] ? ip_rcv_finish+0xc0/0xc0 [ 88.689833][ C0] __netif_receive_skb_list_core+0x57e/0x770 [ 88.695855][ C0] ? __netif_receive_skb+0x280/0x280 [ 88.701151][ C0] ? receive_buf+0x2dd2/0x46a0 [ 88.705931][ C0] netif_receive_skb_list_internal+0x7f8/0xaa0 [ 88.712095][ C0] ? netif_receive_skb_list+0x2a0/0x2a0 [ 88.717650][ C0] ? sk_free+0x6a/0x90 [ 88.718326][ T94] FAULT_INJECTION: forcing a failure. [ 88.718326][ T94] name failslab, interval 1, probability 10, space 0, times 6 [ 88.721779][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60 [ 88.739873][ C0] ? detach_buf_split+0x88d/0xa90 [ 88.744918][ C0] napi_complete_done+0x375/0x780 [ 88.749971][ C0] ? __kasan_check_write+0x14/0x20 [ 88.755092][ C0] ? __napi_schedule_irqoff+0x160/0x160 [ 88.760656][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60 [ 88.766129][ C0] ? virtqueue_enable_cb_prepare+0x1fa/0x500 [ 88.772116][ C0] virtnet_poll+0x8a6/0xef0 [ 88.776635][ C0] ? refill_work+0x1f0/0x1f0 [ 88.781239][ C0] ? virtqueue_disable_cb+0xe7/0x270 [ 88.786539][ C0] net_rx_action+0x48d/0xed0 [ 88.791169][ C0] ? net_tx_action+0x530/0x530 [ 88.795944][ C0] __do_softirq+0x255/0x563 [ 88.800461][ C0] asm_call_irq_on_stack+0xf/0x20 [ 88.805496][ C0] [ 88.808449][ C0] do_softirq_own_stack+0x60/0x80 [ 88.813493][ C0] __irq_exit_rcu+0x128/0x150 [ 88.818183][ C0] ? handle_fasteoi_nmi+0x360/0x360 [ 88.823391][ C0] irq_exit_rcu+0x9/0x10 [ 88.827732][ C0] common_interrupt+0x100/0x180 [ 88.832595][ C0] asm_common_interrupt+0x1e/0x40 [ 88.837630][ C0] RIP: 0010:_raw_spin_unlock_irq+0x49/0x70 [ 88.843444][ C0] Code: 12 48 89 fb 48 c7 c7 b0 73 4c 86 e8 01 5d 1d fd 48 89 df 48 83 3d 26 b8 ca 01 00 74 27 e8 b3 18 ca fc 66 90 fb bf 01 00 00 00 b2 14 c3 fc 65 8b 05 e7 b1 80 7b 85 c0 74 03 5b 5d c3 e8 d3 b1 [ 88.863068][ C0] RSP: 0018:ffffc90000b77430 EFLAGS: 00000246 [ 88.869150][ C0] RAX: 0000000000000001 RBX: dffffc0000000000 RCX: dffffc0000000000 [ 88.877131][ C0] RDX: 0000000000000001 RSI: ffffffff85406200 RDI: 0000000000000001 [ 88.885117][ C0] RBP: ffffc90000b77438 R08: ffff88811b933b47 R09: 1ffff11023726768 [ 88.893103][ C0] R10: dffffc0000000000 R11: ffffed1023726769 R12: ffff8881f7055fc0 [ 88.901090][ C0] R13: ffff88811b933b6c R14: 0000000000000000 R15: ffff88810d5ecf00 [ 88.909092][ C0] finish_task_switch+0x12e/0x5a0 [ 88.914131][ C0] ? __switch_to_asm+0x3a/0x60 [ 88.918903][ C0] __schedule+0xc0b/0x13e0 [ 88.923334][ C0] ? __sched_text_start+0x8/0x8 [ 88.928191][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 88.933398][ C0] ? sched_clock+0x3a/0x40 [ 88.937828][ C0] preempt_schedule_irq+0xaa/0x120 [ 88.942946][ C0] ? preempt_schedule_notrace+0x120/0x120 [ 88.948823][ C0] ? __irq_exit_rcu+0x40/0x150 [ 88.953614][ C0] irqentry_exit+0x56/0x60 [ 88.958057][ C0] sysvec_apic_timer_interrupt+0xcb/0xe0 [ 88.963700][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 88.969696][ C0] RIP: 0010:dump_stack_lvl+0xf9/0x208 [ 88.975086][ C0] Code: 49 bd 04 00 00 00 00 fc ff df 44 89 ff 44 89 f6 e8 e4 34 eb fc 45 39 f7 0f 84 86 00 00 00 48 89 5c 24 18 ff 74 24 18 9d f3 90 <48> c7 c7 60 f5 76 86 be 04 00 00 00 e8 3e aa 25 fd 8b 05 38 85 fd [ 88.994792][ C0] RSP: 0018:ffffc90000b77720 EFLAGS: 00000293 [ 89.000874][ C0] RAX: ffffffff84797032 RBX: 0000000000000293 RCX: ffff88810d5ecf00 [ 89.008856][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 89.016837][ C0] RBP: ffffc90000b777d8 R08: 0000000000000003 R09: 0000000000000004 [ 89.024830][ C0] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff9200016eee8 [ 89.027678][ C1] FAULT_INJECTION: forcing a failure. [ 89.027678][ C1] name failslab, interval 1, probability 10, space 0, times 6 [ 89.032841][ C0] R13: dffffc0000000004 R14: 0000000000000001 R15: 0000000000000000 [ 89.053585][ C0] ? dump_stack_lvl+0x11a/0x208 [ 89.058454][ C0] ? show_regs_print_info+0x18/0x18 [ 89.063675][ C0] dump_stack+0x15/0x1c [ 89.067844][ C0] should_fail+0x3ab/0x500 [ 89.072433][ C0] ? __alloc_skb+0x9e/0x520 [ 89.076976][ C0] __should_failslab+0xa4/0xe0 [ 89.081760][ C0] should_failslab+0x9/0x20 [ 89.086274][ C0] kmem_cache_alloc+0x3d/0x2d0 [ 89.091063][ C0] ? schedule_preempt_disabled+0x20/0x20 [ 89.096713][ C0] __alloc_skb+0x9e/0x520 [ 89.101072][ C0] ? rcu_preempt_deferred_qs_irqrestore+0x637/0x910 [ 89.107733][ C0] alloc_skb_with_frags+0xa3/0x560 [ 89.112869][ C0] sock_alloc_send_pskb+0x87f/0x9a0 [ 89.118084][ C0] ? sock_kzfree_s+0x60/0x60 [ 89.122686][ C0] ? __kasan_check_write+0x14/0x20 [ 89.127805][ C0] ? _raw_spin_lock+0x94/0xf0 [ 89.132494][ C0] ? _raw_spin_trylock_bh+0x150/0x150 [ 89.137877][ C0] unix_dgram_sendmsg+0x6f3/0x18f0 [ 89.143007][ C0] ? unix_dgram_poll+0x640/0x640 [ 89.147953][ C0] ? cap_capable+0x19c/0x220 [ 89.152562][ C0] ? security_socket_sendmsg+0x82/0xa0 [ 89.158035][ C0] __sys_sendto+0x467/0x620 [ 89.162556][ C0] ? __ia32_sys_getpeername+0x90/0x90 [ 89.167944][ C0] ? fpu__clear_all+0x20/0x20 [ 89.172633][ C0] __x64_sys_sendto+0xe5/0x100 [ 89.177405][ C0] do_syscall_64+0x31/0x40 [ 89.181833][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 89.187764][ C0] RIP: 0033:0x7f88b6e1b407 [ 89.192191][ C0] 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 [ 89.211807][ C0] RSP: 002b:00007ffe1fc5a930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 89.220239][ C0] RAX: ffffffffffffffda RBX: 00007f88b6ccbc80 RCX: 00007f88b6e1b407 [ 89.228308][ C0] RDX: 000000000000004b RSI: 00007ffe1fc5aa70 RDI: 0000000000000003 [ 89.236307][ C0] RBP: 00007ffe1fc5aea0 R08: 0000000000000000 R09: 0000000000000000 [ 89.244293][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe1fc5aeb8 [ 89.252281][ C0] R13: 00007ffe1fc5aa70 R14: 0000000000000030 R15: 00007ffe1fc5aa70 [ 89.260271][ C1] CPU: 1 PID: 342 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 89.266498][ T286] FAULT_INJECTION: forcing a failure. [ 89.266498][ T286] name failslab, interval 1, probability 10, space 0, times 5 [ 89.267752][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 89.267772][ C1] Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker [ 89.267780][ C1] Call Trace: [ 89.267784][ C1] [ 89.267841][ C1] __dump_stack+0x21/0x24 [ 89.307940][ C1] dump_stack_lvl+0x1a7/0x208 [ 89.312634][ C1] ? show_regs_print_info+0x18/0x18 [ 89.317851][ C1] dump_stack+0x15/0x1c [ 89.322024][ C1] should_fail+0x3ab/0x500 [ 89.326452][ C1] ? dst_alloc+0x176/0x4f0 [ 89.330880][ C1] __should_failslab+0xa4/0xe0 [ 89.335655][ C1] should_failslab+0x9/0x20 [ 89.340199][ C1] kmem_cache_alloc+0x3d/0x2d0 [ 89.344974][ C1] ? __do_softirq+0x255/0x563 [ 89.349664][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 89.354875][ C1] dst_alloc+0x176/0x4f0 [ 89.359128][ C1] icmp6_dst_alloc+0xec/0x520 [ 89.363816][ C1] ? security_sk_classify_flow+0x7b/0x90 [ 89.369461][ C1] ? icmpv6_flow_init+0xd2/0x130 [ 89.374418][ C1] ndisc_send_skb+0x27c/0xbc0 [ 89.379114][ C1] ? asm_exc_int3+0x31/0x40 [ 89.383629][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 89.388605][ C1] ? slab_post_alloc_hook+0x7d/0x2f0 [ 89.393906][ C1] ndisc_send_rs+0x711/0x960 [ 89.398509][ C1] addrconf_rs_timer+0x35a/0x600 [ 89.403459][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 89.409539][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 89.415627][ C1] call_timer_fn+0x38/0x290 [ 89.420141][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 89.426215][ C1] __run_timers+0x637/0x9a0 [ 89.430736][ C1] ? calc_index+0x200/0x200 [ 89.435249][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 89.440112][ C1] run_timer_softirq+0x6a/0xf0 [ 89.444897][ C1] __do_softirq+0x255/0x563 [ 89.449419][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 89.454972][ C1] asm_call_irq_on_stack+0xf/0x20 [ 89.460004][ C1] [ 89.462956][ C1] do_softirq_own_stack+0x60/0x80 [ 89.467996][ C1] __irq_exit_rcu+0x128/0x150 [ 89.472686][ C1] irq_exit_rcu+0x9/0x10 [ 89.476938][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 89.482588][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 89.488624][ C1] RIP: 0010:kasan_check_range+0x11/0x2a0 [ 89.494263][ C1] Code: 5d c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc b0 01 48 85 f6 0f 84 c0 01 00 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 49 89 f8 49 01 f0 0f 82 1d 02 00 00 49 89 f8 [ 89.513882][ C1] RSP: 0018:ffffc90000c67918 EFLAGS: 00000202 [ 89.519989][ C1] RAX: ffffffff84797001 RBX: 0000000000000293 RCX: ffffffff84797022 [ 89.528063][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8676f560 [ 89.536049][ C1] RBP: ffffc90000c67920 R08: 0000000000000003 R09: 0000000000000004 [ 89.544029][ C1] R10: dffffc0000000000 R11: fffffbfff0cedeac R12: 1ffff9200018cf2c [ 89.552021][ C1] R13: dffffc0000000004 R14: 0000000000000001 R15: 0000000000000000 [ 89.560049][ C1] ? dump_stack_lvl+0xe9/0x208 [ 89.564822][ C1] ? dump_stack_lvl+0x10a/0x208 [ 89.569691][ C1] __kasan_check_read+0x11/0x20 [ 89.574561][ C1] dump_stack_lvl+0x10a/0x208 [ 89.579254][ C1] ? thaw_kernel_threads+0x220/0x220 [ 89.584553][ C1] ? show_regs_print_info+0x18/0x18 [ 89.589787][ C1] ? prandom_u32+0x24d/0x290 [ 89.594402][ C1] dump_stack+0x15/0x1c [ 89.598577][ C1] should_fail+0x3ab/0x500 [ 89.603013][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 89.609094][ C1] __should_failslab+0xa4/0xe0 [ 89.613871][ C1] should_failslab+0x9/0x20 [ 89.618396][ C1] __kmalloc_track_caller+0x5f/0x310 [ 89.623729][ C1] ? kmem_cache_alloc+0x15a/0x2d0 [ 89.628771][ C1] ? __alloc_skb+0x9e/0x520 [ 89.633286][ C1] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 89.639374][ C1] __alloc_skb+0xdc/0x520 [ 89.643731][ C1] wg_socket_send_buffer_to_peer+0x37/0x170 [ 89.649639][ C1] ? ktime_get_coarse_with_offset+0x122/0x170 [ 89.655718][ C1] wg_packet_handshake_send_worker+0x200/0x290 [ 89.661902][ C1] ? wg_prev_queue_dequeue+0x230/0x230 [ 89.667388][ C1] ? __kasan_check_read+0x11/0x20 [ 89.672514][ C1] ? read_word_at_a_time+0x12/0x20 [ 89.677638][ C1] ? strscpy+0x9b/0x290 [ 89.681840][ C1] process_one_work+0x6fd/0xbc0 [ 89.686700][ C1] worker_thread+0xa8e/0x13c0 [ 89.691422][ C1] ? __kthread_parkme+0xb3/0x1b0 [ 89.696375][ C1] kthread+0x324/0x3b0 [ 89.700457][ C1] ? worker_clr_flags+0x190/0x190 [ 89.705486][ C1] ? kthread_blkcg+0xd0/0xd0 [ 89.710084][ C1] ret_from_fork+0x1f/0x30 [ 89.714520][ T286] CPU: 0 PID: 286 Comm: sshd-session Not tainted syzkaller #0 [ 89.722012][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 89.732107][ T286] Call Trace: [ 89.735418][ T286] __dump_stack+0x21/0x24 [ 89.739760][ T286] dump_stack_lvl+0x1a7/0x208 [ 89.744474][ T286] ? show_regs_print_info+0x18/0x18 [ 89.749688][ T286] dump_stack+0x15/0x1c [ 89.753862][ T286] should_fail+0x3ab/0x500 [ 89.758324][ T286] ? security_inode_alloc+0x33/0x110 [ 89.763618][ T286] __should_failslab+0xa4/0xe0 [ 89.768399][ T286] should_failslab+0x9/0x20 [ 89.772914][ T286] kmem_cache_alloc+0x3d/0x2d0 [ 89.777776][ T286] security_inode_alloc+0x33/0x110 [ 89.782913][ T286] inode_init_always+0x725/0x9c0 [ 89.787871][ T286] new_inode_pseudo+0x91/0x210 [ 89.792775][ T286] __sock_create+0x12c/0x770 [ 89.797398][ T286] __sys_socket+0xec/0x190 [ 89.801838][ T286] __x64_sys_socket+0x7a/0x90 [ 89.806529][ T286] do_syscall_64+0x31/0x40 [ 89.810961][ T286] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 89.816868][ T286] RIP: 0033:0x7f4804f63707 [ 89.821295][ T286] 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 [ 89.841069][ T286] RSP: 002b:00007ffe080e9e68 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 89.849510][ T286] RAX: ffffffffffffffda RBX: 0000000000000026 RCX: 00007f4804f63707 [ 89.857502][ T286] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 89.865490][ T286] RBP: 00007f4804fef560 R08: 00000000000001f4 R09: 0000000000000001 [ 89.873469][ T286] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 89.881454][ T286] R13: 00007ffe080e9f90 R14: 0000000000000049 R15: 00007ffe080e9f90 [ 89.889507][ T286] socket: no more sockets [ 89.892771][ T94] CPU: 1 PID: 94 Comm: udevd Not tainted syzkaller #0 [ 89.900630][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 89.910710][ T94] Call Trace: [ 89.914039][ T94] __dump_stack+0x21/0x24 [ 89.918378][ T94] dump_stack_lvl+0x1a7/0x208 [ 89.923062][ T94] ? thaw_kernel_threads+0x220/0x220 [ 89.928374][ T94] ? show_regs_print_info+0x18/0x18 [ 89.933590][ T94] ? prandom_u32+0x24d/0x290 [ 89.938195][ T94] dump_stack+0x15/0x1c [ 89.942369][ T94] should_fail+0x3ab/0x500 [ 89.946812][ T94] ? getname_flags+0xba/0x510 [ 89.951510][ T94] __should_failslab+0xa4/0xe0 [ 89.956284][ T94] should_failslab+0x9/0x20 [ 89.960801][ T94] kmem_cache_alloc+0x3d/0x2d0 [ 89.965574][ T94] getname_flags+0xba/0x510 [ 89.970096][ T94] __x64_sys_unlink+0x3c/0x50 [ 89.970474][ C0] FAULT_INJECTION: forcing a failure. [ 89.970474][ C0] name failslab, interval 1, probability 10, space 0, times 3 [ 89.974870][ T94] do_syscall_64+0x31/0x40 [ 89.991907][ T94] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 89.997811][ T94] RIP: 0033:0x7fb3d8a13937 [ 90.002244][ T94] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 90.021863][ T94] RSP: 002b:00007ffe4691a8d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 90.030292][ T94] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fb3d8a13937 [ 90.038283][ T94] RDX: ffffffffffffffff RSI: 00007ffe4691a9c0 RDI: 000055c1cd56e02e [ 90.046267][ T94] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 90.054255][ T94] R10: 0000000000000000 R11: 0000000000000202 R12: 000055c1e49fff20 [ 90.062239][ T94] R13: 000055c1cd589100 R14: 000055c1cd56e008 R15: 0000000000000000 [ 90.070232][ C0] CPU: 0 PID: 284 Comm: sshd-session Not tainted syzkaller #0 [ 90.077717][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 90.087784][ C0] Call Trace: [ 90.091081][ C0] [ 90.093967][ C0] __dump_stack+0x21/0x24 [ 90.098307][ C0] dump_stack_lvl+0x1a7/0x208 [ 90.102995][ C0] ? thaw_kernel_threads+0x220/0x220 [ 90.108283][ C0] ? show_regs_print_info+0x18/0x18 [ 90.113519][ C0] ? prandom_u32+0x24d/0x290 [ 90.118121][ C0] dump_stack+0x15/0x1c [ 90.122278][ C0] should_fail+0x3ab/0x500 [ 90.126703][ C0] ? __alloc_skb+0x9e/0x520 [ 90.131214][ C0] __should_failslab+0xa4/0xe0 [ 90.135988][ C0] should_failslab+0x9/0x20 [ 90.140497][ C0] kmem_cache_alloc+0x3d/0x2d0 [ 90.145361][ C0] __alloc_skb+0x9e/0x520 [ 90.149704][ C0] __napi_alloc_skb+0x158/0x2e0 [ 90.154563][ C0] page_to_skb+0x40/0x930 [ 90.158903][ C0] ? __asan_set_shadow_00+0xe/0x10 [ 90.164022][ C0] ? load_balance+0x3861/0x4400 [ 90.168877][ C0] receive_buf+0xc03/0x46a0 [ 90.173413][ C0] ? virtnet_poll_tx+0x520/0x520 [ 90.178368][ C0] ? __kasan_check_write+0x14/0x20 [ 90.183488][ C0] ? sk_free+0x6a/0x90 [ 90.187563][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60 [ 90.193032][ C0] ? detach_buf_split+0x88d/0xa90 [ 90.198069][ C0] ? __kasan_check_write+0x14/0x20 [ 90.203192][ C0] ? virtqueue_get_buf_ctx+0x700/0xf60 [ 90.208686][ C0] virtnet_poll+0x3c9/0xef0 [ 90.213204][ C0] ? refill_work+0x1f0/0x1f0 [ 90.217804][ C0] ? virtqueue_disable_cb+0xe7/0x270 [ 90.223096][ C0] net_rx_action+0x48d/0xed0 [ 90.227695][ C0] ? net_tx_action+0x530/0x530 [ 90.232469][ C0] __do_softirq+0x255/0x563 [ 90.236978][ C0] asm_call_irq_on_stack+0xf/0x20 [ 90.242006][ C0] [ 90.244965][ C0] do_softirq_own_stack+0x60/0x80 [ 90.250005][ C0] __irq_exit_rcu+0x128/0x150 [ 90.254696][ C0] ? handle_fasteoi_nmi+0x360/0x360 [ 90.259910][ C0] irq_exit_rcu+0x9/0x10 [ 90.264193][ C0] common_interrupt+0x100/0x180 [ 90.269054][ C0] asm_common_interrupt+0x1e/0x40 [ 90.274087][ C0] RIP: 0010:memset_erms+0xb/0x10 [ 90.279165][ C0] Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01 [ 90.298784][ C0] RSP: 0018:ffffc90000bd7738 EFLAGS: 00000202 [ 90.304861][ C0] RAX: ffff88810aaebb00 RBX: 0000000000000060 RCX: 0000000000000000 [ 90.312857][ C0] RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffffc90000bd7828 [ 90.320837][ C0] RBP: ffffc90000bd7758 R08: ffffc90000bd7827 R09: ffffc90000bd77c8 [ 90.328817][ C0] R10: dffffc0000000000 R11: fffff5200017af05 R12: 0000000000000000 [ 90.336795][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90000bd77c8 [ 90.344788][ C0] ? memset+0x35/0x40 [ 90.348780][ C0] __unwind_start+0x34/0x3a0 [ 90.353383][ C0] ? stack_trace_save+0xf0/0xf0 [ 90.358243][ C0] arch_stack_walk+0xd6/0x140 [ 90.362932][ C0] stack_trace_save+0xa6/0xf0 [ 90.367623][ C0] ? stack_trace_snprint+0xe0/0xe0 [ 90.372764][ C0] ? __kasan_slab_free+0x11/0x20 [ 90.377705][ C0] ? __dentry_kill+0x516/0x660 [ 90.382489][ C0] ? dentry_kill+0xc0/0x2a0 [ 90.387001][ C0] ? dput+0x42/0x80 [ 90.390819][ C0] ? memset+0x35/0x40 [ 90.394808][ C0] kasan_set_track+0x4a/0x70 [ 90.399414][ C0] ? kmem_cache_free+0x100/0x2d0 [ 90.404364][ C0] kasan_set_free_info+0x23/0x40 [ 90.409309][ C0] ____kasan_slab_free+0x125/0x160 [ 90.414429][ C0] __kasan_slab_free+0x11/0x20 [ 90.419317][ C0] slab_free_freelist_hook+0xc5/0x190 [ 90.424699][ C0] ? security_file_free+0xc7/0xe0 [ 90.429745][ C0] kmem_cache_free+0x100/0x2d0 [ 90.434514][ C0] security_file_free+0xc7/0xe0 [ 90.439371][ C0] __fput+0x4f7/0x730 [ 90.443369][ C0] ? _raw_spin_lock+0x94/0xf0 [ 90.448062][ C0] ____fput+0x15/0x20 [ 90.452053][ C0] task_work_run+0x127/0x190 [ 90.456648][ C0] do_exit+0xa7c/0x24e0 [ 90.460814][ C0] ? __fdget_pos+0x1f7/0x380 [ 90.465407][ C0] ? put_task_struct+0x90/0x90 [ 90.470179][ C0] do_group_exit+0x149/0x310 [ 90.474778][ C0] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 90.480850][ C0] __x64_sys_exit_group+0x3f/0x40 [ 90.485876][ C0] do_syscall_64+0x31/0x40 [ 90.490302][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 90.496238][ C0] RIP: 0033:0x7f4804f326c5 [ 90.500660][ C0] Code: Unable to access opcode bytes at RIP 0x7f4804f3269b. [ 90.508027][ C0] RSP: 002b:00007ffe080eb918 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 90.516456][ C0] RAX: ffffffffffffffda RBX: 00000000000000ff RCX: 00007f4804f326c5 [ 90.524437][ C0] RDX: 00000000000000e7 RSI: fffffffffffffea0 RDI: 00000000000000ff [ 90.532438][ C0] RBP: 000055576f345a90 R08: 0000000000000000 R09: 0000000000000000 [ 90.540417][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe080eb994 [ 90.548425][ C0] R13: 000055573d0ab4e3 R14: 000055573d0bc4f0 R15: 000000000000011d [ 90.556583][ T94] udevd[94]: could not unlink /run/udev/queue: Cannot allocate memory [ 90.560164][ T382] FAULT_INJECTION: forcing a failure. [ 90.560164][ T382] name failslab, interval 1, probability 10, space 0, times 1 [ 90.577515][ T342] CPU: 0 PID: 342 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 90.584990][ T342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 90.595077][ T342] Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker [ 90.602022][ T342] Call Trace: [ 90.605338][ T342] __dump_stack+0x21/0x24 [ 90.609681][ T342] dump_stack_lvl+0x1a7/0x208 [ 90.614374][ T342] ? thaw_kernel_threads+0x220/0x220 [ 90.619669][ T342] ? show_regs_print_info+0x18/0x18 [ 90.624911][ T342] ? prandom_u32+0x24d/0x290 [ 90.629518][ T342] dump_stack+0x15/0x1c [ 90.633814][ T342] should_fail+0x3ab/0x500 [ 90.638274][ T342] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 90.644386][ T342] __should_failslab+0xa4/0xe0 [ 90.649164][ T342] should_failslab+0x9/0x20 [ 90.653684][ T342] __kmalloc_track_caller+0x5f/0x310 [ 90.658981][ T342] ? kmem_cache_alloc+0x15a/0x2d0 [ 90.664025][ T342] ? __alloc_skb+0x9e/0x520 [ 90.668541][ T342] ? wg_socket_send_buffer_to_peer+0x37/0x170 [ 90.674626][ T342] __alloc_skb+0xdc/0x520 [ 90.678973][ T342] wg_socket_send_buffer_to_peer+0x37/0x170 [ 90.684874][ T342] ? ktime_get_coarse_with_offset+0x122/0x170 [ 90.690983][ T342] wg_packet_handshake_send_worker+0x200/0x290 [ 90.697155][ T342] ? wg_prev_queue_dequeue+0x230/0x230 [ 90.702632][ T342] ? __kasan_check_read+0x11/0x20 [ 90.707674][ T342] ? read_word_at_a_time+0x12/0x20 [ 90.712798][ T342] ? strscpy+0x9b/0x290 [ 90.716969][ T342] process_one_work+0x6fd/0xbc0 [ 90.721835][ T342] worker_thread+0xa8e/0x13c0 [ 90.726531][ T342] ? __kthread_parkme+0xb3/0x1b0 [ 90.731488][ T342] kthread+0x324/0x3b0 [ 90.735568][ T342] ? worker_clr_flags+0x190/0x190 [ 90.740606][ T342] ? kthread_blkcg+0xd0/0xd0 [ 90.745226][ T342] ret_from_fork+0x1f/0x30 [ 90.749655][ T83] CPU: 1 PID: 83 Comm: klogd Not tainted syzkaller #0 [ 90.756439][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 90.766505][ T83] Call Trace: [ 90.769838][ T83] __dump_stack+0x21/0x24 [ 90.774215][ T83] dump_stack_lvl+0x1a7/0x208 [ 90.778919][ T83] ? show_regs_print_info+0x18/0x18 [ 90.784129][ T83] dump_stack+0x15/0x1c [ 90.788291][ T83] should_fail+0x3ab/0x500 [ 90.792724][ T83] ? __alloc_skb+0x9e/0x520 [ 90.797260][ T83] __should_failslab+0xa4/0xe0 [ 90.802040][ T83] should_failslab+0x9/0x20 [ 90.806551][ T83] kmem_cache_alloc+0x3d/0x2d0 [ 90.811332][ T83] ? schedule_preempt_disabled+0x20/0x20 [ 90.816980][ T83] __alloc_skb+0x9e/0x520 [ 90.821320][ T83] ? rcu_preempt_deferred_qs_irqrestore+0x637/0x910 [ 90.827917][ T83] alloc_skb_with_frags+0xa3/0x560 [ 90.833038][ T83] sock_alloc_send_pskb+0x87f/0x9a0 [ 90.838246][ T83] ? sock_kzfree_s+0x60/0x60 [ 90.842848][ T83] ? __kasan_check_write+0x14/0x20 [ 90.847965][ T83] ? _raw_spin_lock+0x94/0xf0 [ 90.852864][ T83] ? _raw_spin_trylock_bh+0x150/0x150 [ 90.858252][ T83] unix_dgram_sendmsg+0x6f3/0x18f0 [ 90.863374][ T83] ? unix_dgram_poll+0x640/0x640 [ 90.868333][ T83] ? cap_capable+0x19c/0x220 [ 90.872939][ T83] ? security_socket_sendmsg+0x82/0xa0 [ 90.878402][ T83] __sys_sendto+0x467/0x620 [ 90.883009][ T83] ? __ia32_sys_getpeername+0x90/0x90 [ 90.888396][ T83] ? fpu__clear_all+0x20/0x20 [ 90.893086][ T83] __x64_sys_sendto+0xe5/0x100 [ 90.897865][ T83] do_syscall_64+0x31/0x40 [ 90.902290][ T83] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 90.908188][ T83] RIP: 0033:0x7f88b6e1b407 [ 90.912617][ T83] 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 [ 90.932422][ T83] RSP: 002b:00007ffe1fc5a930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 90.940867][ T83] RAX: ffffffffffffffda RBX: 00007f88b6ccbc80 RCX: 00007f88b6e1b407 [ 90.948861][ T83] RDX: 000000000000004b RSI: 00007ffe1fc5aa70 RDI: 0000000000000003 [ 90.956853][ T83] RBP: 00007ffe1fc5aea0 R08: 0000000000000000 R09: 0000000000000000 [ 90.957637][ C0] FAULT_INJECTION: forcing a failure. [ 90.957637][ C0] name failslab, interval 1, probability 10, space 0, times 1 [ 90.964841][ T83] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe1fc5aeb8 [ 90.964876][ T83] R13: 00007ffe1fc5aa70 R14: 0000000000000030 R15: 00007ffe1fc5aa70 [ 90.993499][ C0] CPU: 0 PID: 390 Comm: syz-executor Not tainted syzkaller #0 [ 91.001111][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.011338][ C0] Call Trace: [ 91.014639][ C0] [ 91.017517][ C0] __dump_stack+0x21/0x24 [ 91.021869][ C0] dump_stack_lvl+0x1a7/0x208 [ 91.026574][ C0] ? thaw_kernel_threads+0x220/0x220 [ 91.031880][ C0] ? show_regs_print_info+0x18/0x18 [ 91.037105][ C0] ? prandom_u32+0x24d/0x290 [ 91.041730][ C0] dump_stack+0x15/0x1c [ 91.045921][ C0] should_fail+0x3ab/0x500 [ 91.050371][ C0] ? __napi_alloc_skb+0x158/0x2e0 [ 91.055419][ C0] __should_failslab+0xa4/0xe0 [ 91.060212][ C0] should_failslab+0x9/0x20 [ 91.064733][ C0] __kmalloc_track_caller+0x5f/0x310 [ 91.070031][ C0] ? kmem_cache_alloc+0x15a/0x2d0 [ 91.075073][ C0] ? __alloc_skb+0x9e/0x520 [ 91.079591][ C0] ? __napi_alloc_skb+0x158/0x2e0 [ 91.084632][ C0] __alloc_skb+0xdc/0x520 [ 91.088968][ C0] ? asm_common_interrupt+0x1e/0x40 [ 91.094169][ C0] __napi_alloc_skb+0x158/0x2e0 [ 91.099026][ C0] page_to_skb+0x40/0x930 [ 91.103364][ C0] ? __asan_set_shadow_00+0xe/0x10 [ 91.108483][ C0] ? load_balance+0x3861/0x4400 [ 91.113347][ C0] receive_buf+0xc03/0x46a0 [ 91.117858][ C0] ? virtnet_poll_tx+0x520/0x520 [ 91.122821][ C0] ? __kasan_check_write+0x14/0x20 [ 91.127968][ C0] ? sk_free+0x6a/0x90 [ 91.132050][ C0] ? virtqueue_get_buf_ctx+0x4a2/0xf60 [ 91.137524][ C0] ? detach_buf_split+0x88d/0xa90 [ 91.142559][ C0] ? __kasan_check_write+0x14/0x20 [ 91.147687][ C0] ? virtqueue_get_buf_ctx+0x700/0xf60 [ 91.153161][ C0] virtnet_poll+0x3c9/0xef0 [ 91.157686][ C0] ? refill_work+0x1f0/0x1f0 [ 91.162293][ C0] ? virtnet_poll_tx+0x334/0x520 [ 91.167238][ C0] net_rx_action+0x48d/0xed0 [ 91.171842][ C0] ? net_tx_action+0x530/0x530 [ 91.176615][ C0] __do_softirq+0x255/0x563 [ 91.181130][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 91.186684][ C0] asm_call_irq_on_stack+0xf/0x20 [ 91.191714][ C0] [ 91.194661][ C0] do_softirq_own_stack+0x60/0x80 [ 91.199720][ C0] __irq_exit_rcu+0x128/0x150 [ 91.204410][ C0] irq_exit_rcu+0x9/0x10 [ 91.208660][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 91.214304][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 91.220299][ C0] RIP: 0010:smp_call_function_single+0x211/0x490 [ 91.226635][ C0] Code: ff e8 73 85 0a 00 41 83 e6 01 49 bc 00 00 00 00 00 fc ff df 75 0a e8 ae 81 0a 00 e9 a4 00 00 00 f3 90 f7 44 24 48 01 00 00 00 <0f> 84 8f 00 00 00 e8 94 81 0a 00 eb e9 e8 0d 6e 22 03 89 c3 41 89 [ 91.246251][ C0] RSP: 0018:ffffc90000e67a00 EFLAGS: 00000202 [ 91.252332][ C0] RAX: ffffffff815a21cc RBX: 0000000000000000 RCX: ffff888110d30000 [ 91.260318][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 91.268298][ C0] RBP: ffffc90000e67af0 R08: ffff8881f7157647 R09: 1ffff1103ee2aec8 [ 91.276298][ C0] R10: dffffc0000000000 R11: ffffed103ee2aec9 R12: dffffc0000000000 [ 91.284278][ C0] R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff920001ccf44 [ 91.292275][ C0] ? smp_call_function_single+0x21c/0x490 [ 91.298006][ C0] ? rcu_barrier+0x400/0x400 [ 91.302619][ C0] ? flush_smp_call_function_from_idle+0x190/0x190 [ 91.309131][ C0] ? rcu_barrier+0x400/0x400 [ 91.313731][ C0] ? mutex_trylock+0xb0/0xb0 [ 91.318338][ C0] ? find_next_bit+0x80/0x100 [ 91.323022][ C0] rcu_barrier+0x213/0x400 [ 91.327446][ C0] netdev_run_todo+0x116/0xda0 [ 91.332219][ C0] ? kvfree+0x35/0x40 [ 91.336211][ C0] ? netdev_refcnt_read+0x1e0/0x1e0 [ 91.341411][ C0] ? netdev_state_change+0xa6/0x230 [ 91.346615][ C0] ? netdev_features_change+0x190/0x190 [ 91.352170][ C0] rtnl_unlock+0xe/0x10 [ 91.356334][ C0] tun_chr_close+0xc4/0x140 [ 91.360873][ C0] ? tun_chr_open+0x540/0x540 [ 91.365842][ C0] __fput+0x2dc/0x730 [ 91.369832][ C0] ____fput+0x15/0x20 [ 91.373826][ C0] task_work_run+0x127/0x190 [ 91.378427][ C0] do_exit+0xa7c/0x24e0 [ 91.382585][ C0] ? vmacache_update+0xb7/0x120 [ 91.387449][ C0] ? put_task_struct+0x90/0x90 [ 91.392241][ C0] ? __kasan_check_write+0x14/0x20 [ 91.397374][ C0] ? switch_fpu_return+0x19c/0x330 [ 91.402494][ C0] ? fpu__clear_all+0x20/0x20 [ 91.407178][ C0] do_group_exit+0x149/0x310 [ 91.411781][ C0] __x64_sys_exit_group+0x3f/0x40 [ 91.416815][ C0] do_syscall_64+0x31/0x40 [ 91.421238][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 91.427138][ C0] RIP: 0033:0x7f059ae44e99 [ 91.431557][ C0] Code: Unable to access opcode bytes at RIP 0x7f059ae44e6f. [ 91.438928][ C0] RSP: 002b:00007ffff0235e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 91.447359][ C0] RAX: ffffffffffffffda RBX: 00007f059aeda316 RCX: 00007f059ae44e99 [ 91.455341][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 91.463328][ C0] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f059aeda30a [ 91.471317][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffff02370a0 [ 91.479298][ C0] R13: 00007f059aeda30a R14: 000000000000deae R15: 00007ffff02370e0 [ 91.487581][ T382] CPU: 0 PID: 382 Comm: kworker/0:14 Not tainted syzkaller #0 [ 91.495073][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.505157][ T382] Workqueue: ipv6_addrconf addrconf_dad_work [ 91.511160][ T382] Call Trace: [ 91.514471][ T382] __dump_stack+0x21/0x24 [ 91.518847][ T382] dump_stack_lvl+0x1a7/0x208 [ 91.523550][ T382] ? show_regs_print_info+0x18/0x18 [ 91.528773][ T382] dump_stack+0x15/0x1c [ 91.532963][ T382] should_fail+0x3ab/0x500 [ 91.537398][ T382] ? ndisc_send_ns+0x347/0xb10 [ 91.542186][ T382] __should_failslab+0xa4/0xe0 [ 91.546977][ T382] should_failslab+0x9/0x20 [ 91.551501][ T382] __kmalloc_track_caller+0x5f/0x310 [ 91.556812][ T382] ? kmem_cache_alloc+0x15a/0x2d0 [ 91.561864][ T382] ? __alloc_skb+0x9e/0x520 [ 91.566391][ T382] ? ndisc_send_ns+0x347/0xb10 [ 91.571181][ T382] __alloc_skb+0xdc/0x520 [ 91.575529][ T382] ndisc_send_ns+0x347/0xb10 [ 91.580147][ T382] ? __queue_delayed_work+0x173/0x200 [ 91.585539][ T382] ? ndisc_send_skb+0xbc0/0xbc0 [ 91.590416][ T382] ? mod_delayed_work_on+0x91/0xd0 [ 91.595551][ T382] addrconf_dad_work+0xa40/0x1480 [ 91.600597][ T382] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 91.605917][ T382] ? __kasan_check_read+0x11/0x20 [ 91.610964][ T382] ? read_word_at_a_time+0x12/0x20 [ 91.616101][ T382] ? strscpy+0x9b/0x290 [ 91.620282][ T382] process_one_work+0x6fd/0xbc0 [ 91.625151][ T382] worker_thread+0xa8e/0x13c0 [ 91.629859][ T382] kthread+0x324/0x3b0 [ 91.633946][ T382] ? worker_clr_flags+0x190/0x190 [ 91.638989][ T382] ? kthread_blkcg+0xd0/0xd0 [ 91.643599][ T382] ret_from_fork+0x1f/0x30