000000000000004 [ 54.228159][ C0] RBP: 000055f2d4e254e4 R08: 00007fe51fabaac0 R09: 0000000000000000 [ 54.236144][ C0] R10: 0000000000000004 R11: 0000000000000293 R12: 000055f2d4e25510 [ 54.244128][ C0] R13: ffffffffffffff88 R14: 0000000000000002 R15: 000000000000003c [ 54.252116][ C0] [ 54.255220][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 54.255238][ T20] FAULT_INJECTION: forcing a failure. [ 54.255238][ T20] name failslab, interval 1, probability 10, space 0, times 52 [ 54.262013][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 54.262026][ T90] Call Trace: [ 54.262032][ T90] [ 54.262038][ T90] __dump_stack+0x21/0x30 [ 54.295437][ T90] dump_stack_lvl+0x110/0x170 [ 54.300134][ T90] ? show_regs_print_info+0x20/0x20 [ 54.305345][ T90] ? prandom_u32+0x24d/0x290 [ 54.309953][ T90] dump_stack+0x15/0x20 [ 54.314125][ T90] should_fail+0x3ab/0x500 [ 54.318562][ T90] __should_failslab+0xa4/0xe0 [ 54.323346][ T90] should_failslab+0x9/0x20 [ 54.327870][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 54.332821][ T90] ? security_inode_alloc+0x33/0x110 [ 54.338119][ T90] kmem_cache_alloc+0x44/0x260 [ 54.342947][ T90] security_inode_alloc+0x33/0x110 [ 54.348092][ T90] inode_init_always+0x72c/0x9b0 [ 54.353053][ T90] new_inode_pseudo+0x91/0x210 [ 54.357862][ T90] __sock_create+0x12c/0x7a0 [ 54.362476][ T90] ? ____fput+0x15/0x20 [ 54.365919][ T367] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 54.366669][ T90] __sys_socket+0xec/0x190 [ 54.374411][ T367] FAULT_INJECTION: forcing a failure. [ 54.374411][ T367] name failslab, interval 1, probability 10, space 0, times 51 [ 54.378584][ T90] __x64_sys_socket+0x7a/0x90 [ 54.378608][ T90] x64_sys_call+0x8c5/0x9a0 [ 54.400553][ T90] do_syscall_64+0x4c/0xa0 [ 54.404984][ T90] ? clear_bhb_loop+0x50/0xa0 [ 54.409676][ T90] ? clear_bhb_loop+0x50/0xa0 [ 54.414383][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 54.420289][ T90] RIP: 0033:0x7f336e5e3707 [ 54.424723][ T90] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 54.444351][ T90] RSP: 002b:00007ffe3a5b6c18 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 54.452789][ T90] RAX: ffffffffffffffda RBX: 000000000000004e RCX: 00007f336e5e3707 [ 54.460774][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 54.468765][ T90] RBP: 00007f336e66f560 R08: 0000000000000000 R09: 0000000000000000 [ 54.476751][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 54.484871][ T90] R13: 00007ffe3a5b6d40 R14: 0000000000000033 R15: 00007ffe3a5b6d40 [ 54.492872][ T90] [ 54.495912][ T367] CPU: 0 PID: 367 Comm: syz-executor Not tainted syzkaller #0 [ 54.503400][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 54.513480][ T367] Call Trace: [ 54.516781][ T367] [ 54.519735][ T367] __dump_stack+0x21/0x30 [ 54.524082][ T367] dump_stack_lvl+0x110/0x170 [ 54.528783][ T367] ? show_regs_print_info+0x20/0x20 [ 54.534001][ T367] ? prandom_u32+0x24d/0x290 [ 54.538607][ T367] dump_stack+0x15/0x20 [ 54.542779][ T367] should_fail+0x3ab/0x500 [ 54.547217][ T367] __should_failslab+0xa4/0xe0 [ 54.552357][ T367] should_failslab+0x9/0x20 [ 54.556883][ T367] slab_pre_alloc_hook+0x39/0xd0 [ 54.562800][ T367] ? vm_area_dup+0x26/0x210 [ 54.567339][ T367] kmem_cache_alloc+0x44/0x260 [ 54.572130][ T367] vm_area_dup+0x26/0x210 [ 54.576564][ T367] __split_vma+0xac/0x3e0 [ 54.580913][ T367] ? vmacache_find+0x1fa/0x490 [ 54.585959][ T367] __do_munmap+0x3b4/0x1090 [ 54.590490][ T367] ? iterate_dir+0x361/0x600 [ 54.595104][ T367] ? scan_positives+0x470/0x470 [ 54.599968][ T367] __se_sys_brk+0x448/0x8c0 [ 54.604491][ T367] ? __x64_sys_brk+0x40/0x40 [ 54.609103][ T367] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 54.615193][ T367] __x64_sys_brk+0x38/0x40 [ 54.619626][ T367] x64_sys_call+0x855/0x9a0 [ 54.624150][ T367] do_syscall_64+0x4c/0xa0 [ 54.628585][ T367] ? clear_bhb_loop+0x50/0xa0 [ 54.633276][ T367] ? clear_bhb_loop+0x50/0xa0 [ 54.637966][ T367] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 54.643879][ T367] RIP: 0033:0x7f78c727d3b7 [ 54.648305][ T367] Code: 44 00 00 48 c7 c2 e8 ff ff ff 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 b8 0c 00 00 00 0f 05 <48> 89 05 52 fc db 00 48 39 f8 72 0d 31 c0 c3 66 2e 0f 1f 84 00 00 [ 54.667930][ T367] RSP: 002b:00007ffcb960dad8 EFLAGS: 00000206 ORIG_RAX: 000000000000000c [ 54.676508][ T367] RAX: ffffffffffffffda RBX: ffffffffffff8000 RCX: 00007f78c727d3b7 [ 54.684521][ T367] RDX: fffffffffffff000 RSI: 00005555805d6900 RDI: 00005555805f7000 [ 54.692521][ T367] RBP: 00005555805ff000 R08: 00000000000206c0 R09: 0000000000000001 [ 54.700605][ T367] R10: 00007f78c74d0e20 R11: 0000000000000206 R12: 00005555805ff000 [ 54.708606][ T367] R13: 0000000000000016 R14: 0000000000000802 R15: 00005555805bbe90 [ 54.716956][ T367] [ 54.720104][ T198] CPU: 1 PID: 198 Comm: dhcpcd Not tainted syzkaller #0 [ 54.727068][ T198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 54.730914][ T101] udevd[101]: could not touch /run/udev/queue: Cannot allocate memory [ 54.737143][ T198] Call Trace: [ 54.737169][ T198] [ 54.737176][ T198] __dump_stack+0x21/0x30 [ 54.755962][ T198] dump_stack_lvl+0x110/0x170 [ 54.760658][ T198] ? show_regs_print_info+0x20/0x20 [ 54.765867][ T198] ? prandom_u32+0x24d/0x290 [ 54.770475][ T198] dump_stack+0x15/0x20 [ 54.774646][ T198] should_fail+0x3ab/0x500 [ 54.776079][ T101] FAULT_INJECTION: forcing a failure. [ 54.776079][ T101] name failslab, interval 1, probability 10, space 0, times 49 [ 54.779075][ T198] ? alloc_skb_with_frags+0xa8/0x620 [ 54.797144][ T198] __should_failslab+0xa4/0xe0 [ 54.801927][ T198] should_failslab+0x9/0x20 [ 54.806448][ T198] slab_pre_alloc_hook+0x39/0xd0 [ 54.811411][ T198] ? alloc_skb_with_frags+0xa8/0x620 [ 54.816727][ T198] ? alloc_skb_with_frags+0xa8/0x620 [ 54.822034][ T198] __kmalloc_track_caller+0x6c/0x2c0 [ 54.827600][ T198] ? alloc_skb_with_frags+0xa8/0x620 [ 54.832950][ T198] ? alloc_skb_with_frags+0xa8/0x620 [ 54.838293][ T198] __alloc_skb+0x210/0x730 [ 54.842735][ T198] alloc_skb_with_frags+0xa8/0x620 [ 54.847870][ T198] ? __kernel_text_address+0xa0/0x100 [ 54.853257][ T198] ? unwind_get_return_address+0x4d/0x90 [ 54.858912][ T198] ? stack_trace_save+0xf0/0xf0 [ 54.863783][ T198] sock_alloc_send_pskb+0x87f/0x9a0 [ 54.869002][ T198] ? sock_kzfree_s+0x60/0x60 [ 54.873632][ T198] ? avc_has_perm_noaudit+0x30a/0x490 [ 54.879060][ T198] ? kasan_set_track+0x5b/0x70 [ 54.883848][ T198] packet_sendmsg+0x337f/0x5060 [ 54.888937][ T198] ? avc_has_perm_noaudit+0x490/0x490 [ 54.894334][ T198] ? selinux_socket_sendmsg+0x22f/0x340 [ 54.899896][ T198] ? selinux_socket_accept+0x570/0x570 [ 54.905377][ T198] ? avc_denied+0x1b0/0x1b0 [ 54.909903][ T198] ? __kasan_slab_free+0x11/0x20 [ 54.914857][ T198] ? packet_getsockopt+0x900/0x900 [ 54.920073][ T198] ? kfree_skbmem+0x10c/0x180 [ 54.924766][ T198] ? security_socket_sendmsg+0x82/0xa0 [ 54.930241][ T198] sock_write_iter+0x2a6/0x3a0 [ 54.935022][ T198] ? sock_read_iter+0x380/0x380 [ 54.940933][ T198] ? file_has_perm+0x52d/0x700 [ 54.945802][ T198] do_iter_readv_writev+0x477/0x5f0 [ 54.951318][ T198] ? generic_file_rw_checks+0x2a0/0x2a0 [ 54.956903][ T198] ? fsnotify_perm+0x67/0x5b0 [ 54.961629][ T198] ? security_file_permission+0x79/0xa0 [ 54.967457][ T198] ? security_file_permission+0x83/0xa0 [ 54.973113][ T198] do_iter_write+0x207/0x7b0 [ 54.977889][ T198] vfs_writev+0x2df/0x570 [ 54.982391][ T198] ? do_writev+0x2c0/0x2c0 [ 54.986926][ T198] ? vfs_read+0x9b8/0xc20 [ 54.991293][ T198] ? __kasan_check_read+0x11/0x20 [ 54.996423][ T198] ? __fdget_pos+0x1f7/0x380 [ 55.001032][ T198] do_writev+0x14e/0x2c0 [ 55.005470][ T198] ? do_readv+0x450/0x450 [ 55.009826][ T198] ? __secure_computing+0xea/0x290 [ 55.015668][ T198] __x64_sys_writev+0x7d/0x90 [ 55.020631][ T198] x64_sys_call+0x974/0x9a0 [ 55.025499][ T198] do_syscall_64+0x4c/0xa0 [ 55.029933][ T198] ? clear_bhb_loop+0x50/0xa0 [ 55.034633][ T198] ? clear_bhb_loop+0x50/0xa0 [ 55.039564][ T198] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 55.045913][ T198] RIP: 0033:0x7f29909e8407 [ 55.050351][ T198] 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 [ 55.070148][ T198] RSP: 002b:00007ffecbb28830 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 55.078579][ T198] RAX: ffffffffffffffda RBX: 00007f299095e740 RCX: 00007f29909e8407 [ 55.086564][ T198] RDX: 0000000000000002 RSI: 00007ffecbb28890 RDI: 0000000000000003 [ 55.094669][ T198] RBP: 0000000000000188 R08: 0000000000000000 R09: 0000000000000000 [ 55.102689][ T198] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffecbb288d0 [ 55.110678][ T198] R13: 000055c5119555a0 R14: 00007ffecbb28920 R15: 00007ffecbb38af0 [ 55.118699][ T198] [ 55.121847][ T2] CPU: 0 PID: 2 Comm: kthreadd Not tainted syzkaller #0 [ 55.126293][ C1] FAULT_INJECTION: forcing a failure. [ 55.126293][ C1] name failslab, interval 1, probability 10, space 0, times 48 [ 55.128817][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 55.151658][ T2] Call Trace: [ 55.154977][ T2] [ 55.157930][ T2] __dump_stack+0x21/0x30 [ 55.162282][ T2] dump_stack_lvl+0x110/0x170 [ 55.166971][ T2] ? show_regs_print_info+0x20/0x20 [ 55.172187][ T2] ? prandom_u32+0x24d/0x290 [ 55.176799][ T2] dump_stack+0x15/0x20 [ 55.180997][ T2] should_fail+0x3ab/0x500 [ 55.185472][ T2] __should_failslab+0xa4/0xe0 [ 55.190259][ T2] should_failslab+0x9/0x20 [ 55.194785][ T2] slab_pre_alloc_hook+0x39/0xd0 [ 55.199741][ T2] ? alloc_pid+0x99/0xae0 [ 55.204114][ T2] kmem_cache_alloc+0x44/0x260 [ 55.208896][ T2] alloc_pid+0x99/0xae0 [ 55.213070][ T2] ? copy_thread+0x4f2/0x770 [ 55.217708][ T2] copy_process+0x138d/0x3280 [ 55.222498][ T2] ? __pidfd_prepare+0x150/0x150 [ 55.227460][ T2] ? __switch_to+0x56c/0x1070 [ 55.232155][ T2] kernel_clone+0x233/0x960 [ 55.236858][ T2] ? create_io_thread+0x170/0x170 [ 55.241914][ T2] ? finish_task_switch+0x16b/0x790 [ 55.247132][ T2] ? kthread_blkcg+0xd0/0xd0 [ 55.251834][ T2] kernel_thread+0xfe/0x170 [ 55.256361][ T2] ? ptrace_event_pid+0x180/0x180 [ 55.261408][ T2] ? kthread_blkcg+0xd0/0xd0 [ 55.266240][ T2] ? _raw_spin_trylock_bh+0x150/0x150 [ 55.271636][ T2] ? __kasan_check_read+0x11/0x20 [ 55.276682][ T2] kthreadd+0x346/0x480 [ 55.280866][ T2] ? tokenize_frame_descr+0x93/0xc0 [ 55.286083][ T2] ? kthread_stop+0x3e0/0x3e0 [ 55.290957][ T2] ? _raw_spin_unlock_irq+0x4e/0x70 [ 55.296183][ T2] ? calculate_sigpending+0x7c/0x90 [ 55.301570][ T2] ? kthread_stop+0x3e0/0x3e0 [ 55.306397][ T2] ret_from_fork+0x1f/0x30 [ 55.311013][ T2] [ 55.314064][ C1] CPU: 1 PID: 295 Comm: syz-execprog Not tainted syzkaller #0 [ 55.321556][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 55.331633][ C1] Call Trace: [ 55.334944][ C1] [ 55.337804][ C1] __dump_stack+0x21/0x30 [ 55.342172][ C1] dump_stack_lvl+0x110/0x170 [ 55.346869][ C1] ? show_regs_print_info+0x20/0x20 [ 55.352087][ C1] ? prandom_u32+0x24d/0x290 [ 55.356695][ C1] dump_stack+0x15/0x20 [ 55.360872][ C1] should_fail+0x3ab/0x500 [ 55.365394][ C1] __should_failslab+0xa4/0xe0 [ 55.370388][ C1] should_failslab+0x9/0x20 [ 55.375034][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 55.379990][ C1] ? __alloc_skb+0xe4/0x730 [ 55.384595][ C1] kmem_cache_alloc+0x44/0x260 [ 55.389407][ C1] __alloc_skb+0xe4/0x730 [ 55.393800][ C1] __tcp_send_ack+0x9b/0x6c0 [ 55.398408][ C1] tcp_send_ack+0x3b/0x60 [ 55.402757][ C1] __tcp_ack_snd_check+0x40e/0x900 [ 55.407901][ C1] ? tcp_check_space+0x92/0x960 [ 55.412776][ C1] tcp_rcv_established+0xd17/0x1ad0 [ 55.418021][ C1] ? tcp_check_space+0x960/0x960 [ 55.422979][ C1] ? ipv4_dst_check+0xf2/0x160 [ 55.427768][ C1] tcp_v4_do_rcv+0x591/0x9f0 [ 55.432377][ C1] tcp_v4_rcv+0x221a/0x2880 [ 55.436928][ C1] ? vmemmap_remap_range+0x106/0x890 [ 55.442277][ C1] ? dst_destroy+0x1e4/0x2c0 [ 55.446916][ C1] ? dst_destroy_rcu+0x19/0x20 [ 55.451719][ C1] ? __should_failslab+0xa4/0xe0 [ 55.456690][ C1] ? should_failslab+0x9/0x20 [ 55.461392][ C1] ? do_iter_readv_writev+0x477/0x5f0 [ 55.466780][ C1] ? do_iter_write+0x207/0x7b0 [ 55.471570][ C1] ? tcp_filter+0x90/0x90 [ 55.475926][ C1] ip_protocol_deliver_rcu+0x360/0x760 [ 55.481404][ C1] ip_local_deliver+0x2dd/0x520 [ 55.486378][ C1] ? ip_protocol_deliver_rcu+0x760/0x760 [ 55.492124][ C1] ? ip_rcv_finish_core+0xb00/0x1450 [ 55.497462][ C1] ip_rcv+0x156/0x280 [ 55.501493][ C1] ? wake_up_process+0x20/0x20 [ 55.506272][ C1] ? ip_local_deliver_finish+0x230/0x230 [ 55.512024][ C1] ? __kasan_check_read+0x11/0x20 [ 55.517082][ C1] ? __kasan_check_write+0x14/0x20 [ 55.522233][ C1] ? ip_local_deliver_finish+0x230/0x230 [ 55.527889][ C1] __netif_receive_skb+0xc8/0x280 [ 55.532951][ C1] process_backlog+0x351/0x600 [ 55.537741][ C1] __napi_poll+0xbb/0x580 [ 55.542154][ C1] net_rx_action+0x37f/0x910 [ 55.546847][ C1] ? net_tx_action+0x520/0x520 [ 55.551653][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 55.556615][ C1] ? irqtime_account_irq+0x76/0x390 [ 55.562012][ C1] handle_softirqs+0x250/0x560 [ 55.566801][ C1] __do_softirq+0xb/0xd [ 55.570979][ C1] do_softirq+0xdc/0x130 [ 55.575245][ C1] [ 55.578414][ C1] [ 55.581375][ C1] ? __local_bh_enable_ip+0x80/0x80 [ 55.586614][ C1] ? ip_finish_output2+0xec0/0xec0 [ 55.591752][ C1] __local_bh_enable_ip+0x75/0x80 [ 55.596926][ C1] local_bh_enable+0x1f/0x30 [ 55.601553][ C1] ip_finish_output2+0xb8d/0xec0 [ 55.606529][ C1] ? ip_fragment+0x220/0x220 [ 55.611150][ C1] ? ip_skb_dst_mtu+0x422/0x630 [ 55.616035][ C1] __ip_finish_output+0x161/0x360 [ 55.621190][ C1] ip_finish_output+0x31/0x220 [ 55.625979][ C1] ? ip_output+0x365/0x390 [ 55.630413][ C1] ip_output+0x1ea/0x390 [ 55.634681][ C1] ? ip_finish_output+0x220/0x220 [ 55.639727][ C1] ? ip_mc_finish_output+0x3f0/0x3f0 [ 55.645072][ C1] ? ipv4_dst_check+0xf2/0x160 [ 55.649963][ C1] ? skb_push+0x8e/0xe0 [ 55.654145][ C1] __ip_queue_xmit+0x10ca/0x1c30 [ 55.659103][ C1] ? __kasan_check_write+0x14/0x20 [ 55.664277][ C1] ip_queue_xmit+0x4d/0x70 [ 55.668814][ C1] __tcp_transmit_skb+0x1e23/0x35f0 [ 55.674280][ C1] ? stack_trace_save+0xf0/0xf0 [ 55.679167][ C1] ? __tcp_send_ack+0x6c0/0x6c0 [ 55.684038][ C1] ? __kasan_kmalloc+0xe6/0x100 [ 55.689018][ C1] ? __kasan_kmalloc+0xd4/0x100 [ 55.694175][ C1] ? __kmalloc_track_caller+0x13c/0x2c0 [ 55.700271][ C1] ? __alloc_skb+0x210/0x730 [ 55.705680][ C1] ? sk_stream_alloc_skb+0x216/0xb70 [ 55.706837][ T367] FAULT_INJECTION: forcing a failure. [ 55.706837][ T367] name failslab, interval 1, probability 10, space 0, times 47 [ 55.711682][ C1] ? tcp_small_queue_check+0x213/0x430 [ 55.730256][ C1] tcp_write_xmit+0x16f4/0x5f00 [ 55.735409][ C1] __tcp_push_pending_frames+0x99/0x2f0 [ 55.741413][ C1] ? tcp_push+0x3da/0x610 [ 55.745767][ C1] tcp_push+0x461/0x610 [ 55.749949][ C1] tcp_sendmsg_locked+0x2bdd/0x3330 [ 55.755194][ C1] ? tcp_free_fastopen_req+0x80/0x80 [ 55.760594][ C1] tcp_sendmsg+0x2f/0x50 [ 55.764882][ C1] inet6_sendmsg+0xa5/0xc0 [ 55.769328][ C1] sock_write_iter+0x2a6/0x3a0 [ 55.774111][ C1] ? sock_read_iter+0x380/0x380 [ 55.779180][ C1] ? memset+0x35/0x40 [ 55.783363][ C1] ? iov_iter_init+0xbc/0x180 [ 55.788061][ C1] vfs_write+0x831/0xfd0 [ 55.792326][ C1] ? file_end_write+0x1b0/0x1b0 [ 55.797337][ C1] ? __fget_files+0x2e1/0x340 [ 55.802292][ C1] ? __fdget_pos+0x1f7/0x380 [ 55.806990][ C1] ? ksys_write+0x70/0x260 [ 55.811692][ C1] ksys_write+0x14a/0x260 [ 55.816423][ C1] ? __ia32_sys_read+0x90/0x90 [ 55.821231][ C1] ? debug_smp_processor_id+0x17/0x20 [ 55.826785][ C1] __x64_sys_write+0x7b/0x90 [ 55.832457][ C1] x64_sys_call+0x8ef/0x9a0 [ 55.837700][ C1] do_syscall_64+0x4c/0xa0 [ 55.842233][ C1] ? clear_bhb_loop+0x50/0xa0 [ 55.846935][ C1] ? clear_bhb_loop+0x50/0xa0 [ 55.851644][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 55.857672][ C1] RIP: 0033:0x40d3ce [ 55.861592][ C1] Code: ff cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 49 89 f2 48 89 fa 48 89 ce 48 89 df 0f 05 <48> 3d 01 f0 ff ff 76 15 48 f7 d8 48 89 c1 48 c7 c0 ff ff ff ff 48 [ 55.881489][ C1] RSP: 002b:0000274265a4f3b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000001 [ 55.889925][ C1] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000040d3ce [ 55.897941][ C1] RDX: 00000000000001e0 RSI: 0000274264077020 RDI: 0000000000000006 [ 55.905932][ C1] RBP: 0000274265a4f3f8 R08: 0000000000000000 R09: 0000000000000000 [ 55.913921][ C1] R10: 0000000000000000 R11: 0000000000000206 R12: 00002742636bdee8 [ 55.922432][ C1] R13: 0000000000000050 R14: 00002742670dc5a0 R15: 00000000000001c2 [ 55.930426][ C1] [ 55.933470][ T367] CPU: 0 PID: 367 Comm: syz-executor Not tainted syzkaller #0 [ 55.941206][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 55.951387][ T367] Call Trace: [ 55.954789][ T367] [ 55.957737][ T367] __dump_stack+0x21/0x30 [ 55.962179][ T367] dump_stack_lvl+0x110/0x170 [ 55.966873][ T367] ? show_regs_print_info+0x20/0x20 [ 55.972092][ T367] ? prandom_u32+0x24d/0x290 [ 55.976701][ T367] dump_stack+0x15/0x20 [ 55.980967][ T367] should_fail+0x3ab/0x500 [ 55.985406][ T367] __should_failslab+0xa4/0xe0 [ 55.990189][ T367] should_failslab+0x9/0x20 [ 55.994802][ T367] slab_pre_alloc_hook+0x39/0xd0 [ 55.999758][ T367] ? getname_flags+0xba/0x510 [ 56.004457][ T367] kmem_cache_alloc+0x44/0x260 [ 56.009500][ T367] ? __x64_sys_umount+0x12d/0x170 [ 56.014546][ T367] getname_flags+0xba/0x510 [ 56.015729][ T90] socket: no more sockets [ 56.019091][ T367] ? debug_smp_processor_id+0x17/0x20 [ 56.028879][ T367] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 56.035068][ T367] __x64_sys_unlink+0x3c/0x50 [ 56.035750][ T90] FAULT_INJECTION: forcing a failure. [ 56.035750][ T90] name failslab, interval 1, probability 10, space 0, times 45 [ 56.039942][ T367] x64_sys_call+0x878/0x9a0 [ 56.057933][ T367] do_syscall_64+0x4c/0xa0 [ 56.062457][ T367] ? clear_bhb_loop+0x50/0xa0 [ 56.067250][ T367] ? clear_bhb_loop+0x50/0xa0 [ 56.072297][ T367] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 56.078322][ T367] RIP: 0033:0x7f78c727cf87 [ 56.082769][ T367] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 56.102580][ T367] RSP: 002b:00007ffcb960ec78 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 [ 56.111055][ T367] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f78c727cf87 [ 56.119063][ T367] RDX: 00007ffcb960eca0 RSI: 00007ffcb960ed30 RDI: 00007ffcb960ed30 [ 56.127704][ T367] RBP: 00007ffcb960ed30 R08: 00007ffcb960fd30 R09: 00000000ffffffff [ 56.139137][ T367] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffcb960fdc0 [ 56.148464][ T367] R13: 00007f78c731330a R14: 00000000000099de R15: 00007ffcb960fe00 [ 56.157557][ T367] [ 56.160608][ T10] CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 56.168732][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 56.179797][ T10] Workqueue: writeback wb_workfn (flush-8:0) [ 56.186522][ T10] Call Trace: [ 56.189820][ T10] [ 56.193137][ T10] __dump_stack+0x21/0x30 [ 56.197850][ T10] dump_stack_lvl+0x110/0x170 [ 56.203043][ T10] ? show_regs_print_info+0x20/0x20 [ 56.206217][ T2] FAULT_INJECTION: forcing a failure. [ 56.206217][ T2] name failslab, interval 1, probability 10, space 0, times 43 [ 56.208581][ T10] ? prandom_u32+0x24d/0x290 [ 56.226948][ T10] dump_stack+0x15/0x20 [ 56.231267][ T10] should_fail+0x3ab/0x500 [ 56.235822][ T10] __should_failslab+0xa4/0xe0 [ 56.240718][ T10] should_failslab+0x9/0x20 [ 56.245791][ T10] slab_pre_alloc_hook+0x39/0xd0 [ 56.252020][ T10] ? mempool_alloc_slab+0x1d/0x30 [ 56.257890][ T10] kmem_cache_alloc+0x44/0x260 [ 56.263813][ T10] ? mempool_free+0x330/0x330 [ 56.269815][ T10] mempool_alloc_slab+0x1d/0x30 [ 56.274706][ T10] mempool_alloc+0x167/0x4c0 [ 56.279577][ T10] ? cgroup_rstat_updated+0xf0/0x360 [ 56.284914][ T10] ? __this_cpu_preempt_check+0x13/0x20 [ 56.290947][ T10] ? __mod_memcg_lruvec_state+0x122/0x1b0 [ 56.297280][ T10] ? mempool_resize+0x880/0x880 [ 56.302337][ T10] ? __test_set_page_writeback+0x670/0x910 [ 56.308191][ T10] bio_alloc_bioset+0x124/0x910 [ 56.313090][ T10] ? __kasan_check_read+0x11/0x20 [ 56.318141][ T10] submit_bh_wbc+0x1c2/0x680 [ 56.322793][ T10] ? page_mkclean+0x209/0x2b0 [ 56.327602][ T10] __block_write_full_page+0x877/0xef0 [ 56.334358][ T10] ? blkdev_fallocate+0x4f0/0x4f0 [ 56.339866][ T10] ? mark_buffer_write_io_error+0x270/0x270 [ 56.346444][ T10] block_write_full_page+0x12f/0x140 [ 56.352041][ T10] ? blkdev_fallocate+0x4f0/0x4f0 [ 56.357363][ T10] blkdev_writepage+0x24/0x30 [ 56.362690][ T10] __writepage+0x66/0x130 [ 56.367041][ T10] write_cache_pages+0x7ce/0xd30 [ 56.373136][ T10] ? generic_writepages+0x170/0x170 [ 56.378972][ T10] ? tag_pages_for_writeback+0x3d0/0x3d0 [ 56.384928][ T10] ? blk_start_plug+0x50/0x170 [ 56.390223][ T10] generic_writepages+0x104/0x170 [ 56.395991][ T10] ? clear_page_dirty_for_io+0x5a0/0x5a0 [ 56.401883][ T10] ? __kasan_check_write+0x14/0x20 [ 56.407299][ T10] ? _raw_spin_lock+0x94/0xf0 [ 56.412499][ T10] ? _raw_spin_trylock_bh+0x150/0x150 [ 56.418012][ T10] ? __local_bh_enable_ip+0x58/0x80 [ 56.423851][ T10] blkdev_writepages+0x1d/0x30 [ 56.428697][ T10] ? blkdev_readpage+0x20/0x20 [ 56.433500][ T10] do_writepages+0x476/0x6d0 [ 56.438223][ T10] ? dev_queue_xmit+0x20/0x20 [ 56.442930][ T10] ? __writepage+0x130/0x130 [ 56.447673][ T10] ? selinux_ipv6_output+0x10/0x10 [ 56.452914][ T10] ? __kasan_check_write+0x14/0x20 [ 56.458042][ T10] ? _raw_spin_lock+0x94/0xf0 [ 56.462739][ T10] __writeback_single_inode+0xd9/0x9e0 [ 56.468229][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0 [ 56.474277][ T10] writeback_sb_inodes+0x9f3/0x1610 [ 56.479523][ T10] ? queue_io+0x4b0/0x4b0 [ 56.483985][ T10] ? down_read_trylock+0x317/0x630 [ 56.489121][ T10] __writeback_inodes_wb+0x127/0x400 [ 56.494427][ T10] wb_writeback+0x3ff/0x990 [ 56.498956][ T10] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 56.504958][ T10] ? set_worker_desc+0x1ba/0x1f0 [ 56.509925][ T10] ? __kasan_check_write+0x14/0x20 [ 56.515057][ T10] ? cpumask_next+0x7c/0xa0 [ 56.519583][ T10] wb_workfn+0xa49/0xf30 [ 56.523939][ T10] ? inode_wait_for_writeback+0x220/0x220 [ 56.529694][ T10] ? compat_start_thread+0x20/0x20 [ 56.534826][ T10] ? finish_task_switch+0x16b/0x790 [ 56.540152][ T10] ? switch_mm_irqs_off+0x730/0x960 [ 56.545374][ T10] ? __schedule+0xbd7/0x14a0 [ 56.549984][ T10] process_one_work+0x6c8/0xbb0 [ 56.555035][ T10] worker_thread+0xaa0/0x1250 [ 56.559738][ T10] kthread+0x3f5/0x4f0 [ 56.563932][ T10] ? worker_clr_flags+0x190/0x190 [ 56.569426][ T10] ? kthread_blkcg+0xd0/0xd0 [ 56.574143][ T10] ret_from_fork+0x1f/0x30 [ 56.578872][ T10] [ 56.581954][ T64] CPU: 0 PID: 64 Comm: jbd2/sda1-8 Not tainted syzkaller #0 [ 56.589926][ T64] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 56.600098][ T64] Call Trace: [ 56.603395][ T64] [ 56.606340][ T64] __dump_stack+0x21/0x30 [ 56.610876][ T64] dump_stack_lvl+0x110/0x170 [ 56.615901][ T64] ? show_regs_print_info+0x20/0x20 [ 56.621133][ T64] ? prandom_u32+0x24d/0x290 [ 56.625757][ T64] dump_stack+0x15/0x20 [ 56.629947][ T64] should_fail+0x3ab/0x500 [ 56.634831][ T64] __should_failslab+0xa4/0xe0 [ 56.639636][ T64] should_failslab+0x9/0x20 [ 56.644269][ T64] slab_pre_alloc_hook+0x39/0xd0 [ 56.649340][ T64] ? mempool_alloc_slab+0x1d/0x30 [ 56.654606][ T64] kmem_cache_alloc+0x44/0x260 [ 56.659403][ T64] ? submit_bio_noacct+0x762/0x800 [ 56.664569][ T64] ? mempool_free+0x330/0x330 [ 56.669648][ T64] mempool_alloc_slab+0x1d/0x30 [ 56.674775][ T64] mempool_alloc+0x167/0x4c0 [ 56.679403][ T64] ? chksum_update+0x47/0xa0 [ 56.684062][ T64] ? fscrypt_set_bio_crypt_ctx+0x179/0x4f0 [ 56.690033][ T64] ? mempool_resize+0x880/0x880 [ 56.695689][ T64] ? blkcg_set_ioprio+0x1f6/0x320 [ 56.700750][ T64] ? submit_bio+0x367/0x620 [ 56.705444][ T64] ? submit_bio_noacct+0x800/0x800 [ 56.711367][ T64] bio_alloc_bioset+0x124/0x910 [ 56.716912][ T64] submit_bh_wbc+0x1c2/0x680 [ 56.721868][ T64] submit_bh+0x2a/0x40 [ 56.725968][ T64] jbd2_journal_commit_transaction+0x2461/0x5650 [ 56.732428][ T64] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 56.739565][ T64] ? __switch_to+0x6f8/0x1070 [ 56.744290][ T64] ? compat_start_thread+0x20/0x20 [ 56.749429][ T64] ? _raw_spin_unlock+0x4d/0x70 [ 56.754298][ T64] ? _raw_spin_lock+0xf0/0xf0 [ 56.759028][ T64] ? __kasan_check_write+0x14/0x20 [ 56.764429][ T64] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 56.770071][ T64] ? _raw_spin_lock+0xf0/0xf0 [ 56.774984][ T64] ? detach_if_pending+0xf5/0x300 [ 56.780040][ T64] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 56.785866][ T64] ? del_timer_sync+0x144/0x1a0 [ 56.790753][ T64] kjournald2+0x43d/0x860 [ 56.795109][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 56.800425][ T64] ? io_schedule+0xe0/0xe0 [ 56.804948][ T64] ? __kasan_check_read+0x11/0x20 [ 56.810290][ T64] ? __kthread_parkme+0xab/0x1f0 [ 56.815258][ T64] kthread+0x3f5/0x4f0 [ 56.819349][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 56.824583][ T64] ? kthread_blkcg+0xd0/0xd0 [ 56.829201][ T64] ret_from_fork+0x1f/0x30 [ 56.833637][ T64] [ 56.836671][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 56.843477][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 56.853563][ T90] Call Trace: [ 56.856873][ T90] [ 56.860457][ T90] __dump_stack+0x21/0x30 [ 56.864853][ T90] dump_stack_lvl+0x110/0x170 [ 56.869663][ T90] ? show_regs_print_info+0x20/0x20 [ 56.874973][ T90] ? prandom_u32+0x24d/0x290 [ 56.879584][ T90] dump_stack+0x15/0x20 [ 56.883768][ T90] should_fail+0x3ab/0x500 [ 56.888230][ T90] __should_failslab+0xa4/0xe0 [ 56.893028][ T90] should_failslab+0x9/0x20 [ 56.897556][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 56.902515][ T90] ? __alloc_skb+0xe4/0x730 [ 56.907040][ T90] kmem_cache_alloc+0x44/0x260 [ 56.911964][ T90] __alloc_skb+0xe4/0x730 [ 56.916337][ T90] alloc_skb_with_frags+0xa8/0x620 [ 56.921478][ T90] ? memcpy+0x56/0x70 [ 56.925490][ T90] sock_alloc_send_pskb+0x87f/0x9a0 [ 56.930997][ T90] ? sock_kzfree_s+0x60/0x60 [ 56.935638][ T90] ? __kasan_check_write+0x14/0x20 [ 56.941858][ T90] ? _raw_spin_lock+0x94/0xf0 [ 56.946917][ T90] ? _raw_spin_trylock_bh+0x150/0x150 [ 56.952853][ T90] unix_dgram_sendmsg+0x6f3/0x19b0 [ 56.958008][ T90] ? unix_dgram_poll+0x6c0/0x6c0 [ 56.962980][ T90] ? path_put+0x57/0x60 [ 56.967515][ T90] ? security_socket_sendmsg+0x82/0xa0 [ 56.973165][ T90] __sys_sendto+0x46d/0x620 [ 56.978013][ T90] ? __ia32_sys_getpeername+0x90/0x90 [ 56.983426][ T90] ? __kasan_check_write+0x14/0x20 [ 56.988681][ T90] __x64_sys_sendto+0xe5/0x100 [ 56.993751][ T90] x64_sys_call+0x178/0x9a0 [ 56.998292][ T90] do_syscall_64+0x4c/0xa0 [ 57.002866][ T90] ? clear_bhb_loop+0x50/0xa0 [ 57.007625][ T90] ? clear_bhb_loop+0x50/0xa0 [ 57.012342][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 57.018389][ T90] RIP: 0033:0x7f336e568407 [ 57.022933][ T90] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 57.042731][ T90] RSP: 002b:00007ffe3a5b6c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 57.051252][ T90] RAX: ffffffffffffffda RBX: 00007f336e418c80 RCX: 00007f336e568407 [ 57.059252][ T90] RDX: 000000000000006d RSI: 00007ffe3a5b6d40 RDI: 0000000000000003 [ 57.067459][ T90] RBP: 00007ffe3a5b7170 R08: 0000000000000000 R09: 0000000000000000 [ 57.075453][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe3a5b7188 [ 57.083534][ T90] R13: 00007ffe3a5b6d40 R14: 0000000000000052 R15: 00007ffe3a5b6d40 [ 57.091786][ T90] [ 57.094942][ T20] CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0 [ 57.102294][ T20] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 57.112468][ T20] Workqueue: ipv6_addrconf addrconf_dad_work [ 57.118565][ T20] Call Trace: [ 57.121860][ T20] [ 57.124982][ T20] __dump_stack+0x21/0x30 [ 57.129418][ T20] dump_stack_lvl+0x110/0x170 [ 57.134131][ T20] ? show_regs_print_info+0x20/0x20 [ 57.136619][ T140] FAULT_INJECTION: forcing a failure. [ 57.136619][ T140] name failslab, interval 1, probability 10, space 0, times 42 [ 57.139345][ T20] dump_stack+0x15/0x20 [ 57.156501][ T20] should_fail+0x3ab/0x500 [ 57.161176][ T20] __should_failslab+0xa4/0xe0 [ 57.165998][ T20] should_failslab+0x9/0x20 [ 57.170519][ T20] slab_pre_alloc_hook+0x39/0xd0 [ 57.175477][ T20] ? __alloc_skb+0xe4/0x730 [ 57.180001][ T20] kmem_cache_alloc+0x44/0x260 [ 57.184792][ T20] __alloc_skb+0xe4/0x730 [ 57.189190][ T20] ndisc_send_ns+0x347/0xb10 [ 57.193816][ T20] ? ndisc_send_skb+0xcf0/0xcf0 [ 57.198691][ T20] ? mod_delayed_work_on+0xa8/0xe0 [ 57.204269][ T20] addrconf_dad_work+0x9fa/0x1510 [ 57.209341][ T20] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 57.214648][ T20] ? __kasan_check_write+0x14/0x20 [ 57.219776][ T20] ? _raw_spin_lock_irq+0x95/0xf0 [ 57.225022][ T20] ? _raw_spin_lock_irqsave+0x130/0x130 [ 57.230679][ T20] process_one_work+0x6c8/0xbb0 [ 57.235569][ T20] worker_thread+0xaa0/0x1250 [ 57.240274][ T20] ? __kasan_check_read+0x11/0x20 [ 57.245326][ T20] kthread+0x3f5/0x4f0 [ 57.249449][ T20] ? worker_clr_flags+0x190/0x190 [ 57.254514][ T20] ? kthread_blkcg+0xd0/0xd0 [ 57.259157][ T20] ret_from_fork+0x1f/0x30 [ 57.263633][ T20] [ 57.266675][ T140] CPU: 1 PID: 140 Comm: dhcpcd Not tainted syzkaller #0 [ 57.273942][ T140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 57.284303][ T140] Call Trace: [ 57.287619][ T140] [ 57.290580][ T140] __dump_stack+0x21/0x30 [ 57.295032][ T140] dump_stack_lvl+0x110/0x170 [ 57.299724][ T140] ? show_regs_print_info+0x20/0x20 [ 57.304945][ T140] ? prandom_u32+0x24d/0x290 [ 57.309556][ T140] dump_stack+0x15/0x20 [ 57.313731][ T140] should_fail+0x3ab/0x500 [ 57.318207][ T140] __should_failslab+0xa4/0xe0 [ 57.323059][ T140] should_failslab+0x9/0x20 [ 57.327584][ T140] slab_pre_alloc_hook+0x39/0xd0 [ 57.332543][ T140] ? __alloc_skb+0xe4/0x730 [ 57.337075][ T140] kmem_cache_alloc+0x44/0x260 [ 57.341856][ T140] ? avc_compute_av+0x1cb/0x820 [ 57.346749][ T140] __alloc_skb+0xe4/0x730 [ 57.351106][ T140] alloc_skb_with_frags+0xa8/0x620 [ 57.356423][ T140] sock_alloc_send_pskb+0x87f/0x9a0 [ 57.361845][ T140] ? sock_kzfree_s+0x60/0x60 [ 57.366560][ T140] ? __kasan_check_write+0x14/0x20 [ 57.371700][ T140] ? _raw_spin_lock+0x94/0xf0 [ 57.376514][ T140] ? _raw_spin_trylock_bh+0x150/0x150 [ 57.381997][ T140] unix_dgram_sendmsg+0x6f3/0x19b0 [ 57.387139][ T140] ? unix_dgram_poll+0x6c0/0x6c0 [ 57.392095][ T140] ? security_socket_sendmsg+0x82/0xa0 [ 57.402780][ T140] __sys_sendto+0x46d/0x620 [ 57.407368][ T140] ? __ia32_sys_getpeername+0x90/0x90 [ 57.412866][ T140] ? set_user_sigmask+0x15d/0x1c0 [ 57.417930][ T140] ? vfs_write+0xfd0/0xfd0 [ 57.422456][ T140] __x64_sys_sendto+0xe5/0x100 [ 57.428122][ T140] x64_sys_call+0x178/0x9a0 [ 57.432655][ T140] do_syscall_64+0x4c/0xa0 [ 57.437093][ T140] ? clear_bhb_loop+0x50/0xa0 [ 57.441819][ T140] ? clear_bhb_loop+0x50/0xa0 [ 57.446512][ T140] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 57.452452][ T140] RIP: 0033:0x7f29909e8407 [ 57.456889][ T140] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 57.476516][ T140] RSP: 002b:00007ffecbb37b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 57.484949][ T140] RAX: ffffffffffffffda RBX: 00007f299095e740 RCX: 00007f29909e8407 [ 57.493577][ T140] RDX: 000000000000004a RSI: 00007ffecbb37cd0 RDI: 0000000000000003 [ 57.501663][ T140] RBP: 00007ffecbb38100 R08: 0000000000000000 R09: 0000000000000000 [ 57.509653][ T140] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffecbb38550 [ 57.517639][ T140] R13: 00007ffecbb37cd0 R14: 0000000000000029 R15: 00007ffecbb37cd0 [ 57.525817][ T140] [ 57.528882][ T2] CPU: 0 PID: 2 Comm: kthreadd Not tainted syzkaller #0 [ 57.536029][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 57.546218][ T2] Call Trace: [ 57.549603][ T2] [ 57.552678][ T2] __dump_stack+0x21/0x30 [ 57.557188][ T2] dump_stack_lvl+0x110/0x170 [ 57.561894][ T2] ? show_regs_print_info+0x20/0x20 [ 57.567118][ T2] ? prandom_u32+0x24d/0x290 [ 57.572350][ T2] dump_stack+0x15/0x20 [ 57.576536][ T2] should_fail+0x3ab/0x500 [ 57.580980][ T2] __should_failslab+0xa4/0xe0 [ 57.585775][ T2] should_failslab+0x9/0x20 [ 57.590305][ T2] slab_pre_alloc_hook+0x39/0xd0 [ 57.595705][ T2] __kmalloc+0x6d/0x2c0 [ 57.599895][ T2] ? security_prepare_creds+0x4e/0x140 [ 57.605491][ T2] security_prepare_creds+0x4e/0x140 [ 57.610804][ T2] prepare_creds+0x428/0x610 [ 57.615710][ T2] copy_creds+0xe4/0x640 [ 57.619971][ T2] copy_process+0x7d5/0x3280 [ 57.624588][ T2] ? native_smp_send_reschedule+0x82/0xa0 [ 57.630330][ T2] ? resched_curr+0x17f/0x320 [ 57.635027][ T2] ? sched_group_set_idle+0x600/0x600 [ 57.635929][ T10] FAULT_INJECTION: forcing a failure. [ 57.635929][ T10] name failslab, interval 1, probability 10, space 0, times 40 [ 57.640426][ T2] ? __pidfd_prepare+0x150/0x150 [ 57.658289][ T2] kernel_clone+0x233/0x960 [ 57.662901][ T2] ? yield_to_task_fair+0x1a0/0x1a0 [ 57.668120][ T2] ? create_io_thread+0x170/0x170 [ 57.673169][ T2] ? __kasan_check_read+0x11/0x20 [ 57.678219][ T2] ? kthread_blkcg+0xd0/0xd0 [ 57.682925][ T2] kernel_thread+0xfe/0x170 [ 57.687451][ T2] ? ptrace_event_pid+0x180/0x180 [ 57.692618][ T2] ? kthread_blkcg+0xd0/0xd0 [ 57.697230][ T2] ? _raw_spin_trylock_bh+0x150/0x150 [ 57.702631][ T2] ? complete+0x69/0xb0 [ 57.706807][ T2] kthreadd+0x346/0x480 [ 57.710984][ T2] ? tokenize_frame_descr+0x93/0xc0 [ 57.716205][ T2] ? kthread_stop+0x3e0/0x3e0 [ 57.720904][ T2] ? _raw_spin_unlock_irq+0x4e/0x70 [ 57.726116][ T2] ? calculate_sigpending+0x7c/0x90 [ 57.731336][ T2] ? kthread_stop+0x3e0/0x3e0 [ 57.736036][ T2] ret_from_fork+0x1f/0x30 [ 57.740470][ T2] [ 57.743506][ T10] CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 57.744056][ T59] FAULT_INJECTION: forcing a failure. [ 57.744056][ T59] name failslab, interval 1, probability 10, space 0, times 39 [ 57.750908][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 57.750923][ T10] Workqueue: writeback wb_workfn (flush-8:0) [ 57.775743][ T64] FAULT_INJECTION: forcing a failure. [ 57.775743][ T64] name failslab, interval 1, probability 10, space 0, times 38 [ 57.780302][ T10] Call Trace: [ 57.796439][ T10] [ 57.799393][ T10] __dump_stack+0x21/0x30 [ 57.803860][ T10] dump_stack_lvl+0x110/0x170 [ 57.808904][ T10] ? show_regs_print_info+0x20/0x20 [ 57.815655][ T10] ? prandom_u32+0x24d/0x290 [ 57.820288][ T10] dump_stack+0x15/0x20 [ 57.825066][ T10] should_fail+0x3ab/0x500 [ 57.829524][ T10] __should_failslab+0xa4/0xe0 [ 57.834468][ T10] should_failslab+0x9/0x20 [ 57.839022][ T10] slab_pre_alloc_hook+0x39/0xd0 [ 57.844172][ T10] ? mempool_alloc_slab+0x1d/0x30 [ 57.849353][ T10] kmem_cache_alloc+0x44/0x260 [ 57.854955][ T10] ? mempool_free+0x330/0x330 [ 57.859671][ T10] mempool_alloc_slab+0x1d/0x30 [ 57.864687][ T10] mempool_alloc+0x167/0x4c0 [ 57.869353][ T10] ? cgroup_rstat_updated+0xf0/0x360 [ 57.875000][ T10] ? __this_cpu_preempt_check+0x13/0x20 [ 57.880697][ T10] ? __mod_memcg_lruvec_state+0x122/0x1b0 [ 57.886640][ T10] ? mempool_resize+0x880/0x880 [ 57.891629][ T10] ? __test_set_page_writeback+0x670/0x910 [ 57.897479][ T10] bio_alloc_bioset+0x124/0x910 [ 57.902515][ T10] ? __kasan_check_read+0x11/0x20 [ 57.907586][ T10] submit_bh_wbc+0x1c2/0x680 [ 57.912317][ T10] ? page_mkclean+0x209/0x2b0 [ 57.917135][ T10] __block_write_full_page+0x877/0xef0 [ 57.922643][ T10] ? blkdev_fallocate+0x4f0/0x4f0 [ 57.927813][ T10] ? mark_buffer_write_io_error+0x270/0x270 [ 57.934539][ T10] block_write_full_page+0x12f/0x140 [ 57.939897][ T10] ? blkdev_fallocate+0x4f0/0x4f0 [ 57.945145][ T10] blkdev_writepage+0x24/0x30 [ 57.950374][ T10] __writepage+0x66/0x130 [ 57.954731][ T10] write_cache_pages+0x7ce/0xd30 [ 57.959972][ T10] ? generic_writepages+0x170/0x170 [ 57.965296][ T10] ? tag_pages_for_writeback+0x3d0/0x3d0 [ 57.970983][ T10] ? blk_start_plug+0x50/0x170 [ 57.975894][ T10] generic_writepages+0x104/0x170 [ 57.981269][ T10] ? clear_page_dirty_for_io+0x5a0/0x5a0 [ 57.987008][ T10] ? __kasan_check_write+0x14/0x20 [ 57.992178][ T10] ? _raw_spin_lock+0x94/0xf0 [ 57.996970][ T10] ? _raw_spin_trylock_bh+0x150/0x150 [ 58.002499][ T10] ? __local_bh_enable_ip+0x58/0x80 [ 58.007763][ T10] blkdev_writepages+0x1d/0x30 [ 58.012552][ T10] ? blkdev_readpage+0x20/0x20 [ 58.017330][ T10] do_writepages+0x476/0x6d0 [ 58.021948][ T10] ? dev_queue_xmit+0x20/0x20 [ 58.026744][ T10] ? __writepage+0x130/0x130 [ 58.031371][ T10] ? selinux_ipv6_output+0x10/0x10 [ 58.036504][ T10] ? __kasan_check_write+0x14/0x20 [ 58.041772][ T10] ? _raw_spin_lock+0x94/0xf0 [ 58.046459][ T90] FAULT_INJECTION: forcing a failure. [ 58.046459][ T90] name failslab, interval 1, probability 10, space 0, times 37 [ 58.046633][ T10] __writeback_single_inode+0xd9/0x9e0 [ 58.064987][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0 [ 58.070996][ T10] writeback_sb_inodes+0x9f3/0x1610 [ 58.076231][ T10] ? queue_io+0x4b0/0x4b0 [ 58.080597][ T10] ? down_read_trylock+0x317/0x630 [ 58.085761][ T10] __writeback_inodes_wb+0x127/0x400 [ 58.091078][ T10] wb_writeback+0x3ff/0x990 [ 58.095698][ T10] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 58.101705][ T10] ? set_worker_desc+0x1ba/0x1f0 [ 58.106800][ T10] ? __kasan_check_write+0x14/0x20 [ 58.111945][ T10] ? cpumask_next+0x7c/0xa0 [ 58.116472][ T10] wb_workfn+0xa49/0xf30 [ 58.120923][ T10] ? inode_wait_for_writeback+0x220/0x220 [ 58.126821][ T10] ? compat_start_thread+0x20/0x20 [ 58.131962][ T10] ? finish_task_switch+0x16b/0x790 [ 58.137181][ T10] ? switch_mm_irqs_off+0x730/0x960 [ 58.142409][ T10] ? __schedule+0xbd7/0x14a0 [ 58.147015][ T10] process_one_work+0x6c8/0xbb0 [ 58.152079][ T10] worker_thread+0xaa0/0x1250 [ 58.156882][ T10] kthread+0x3f5/0x4f0 [ 58.161002][ T10] ? worker_clr_flags+0x190/0x190 [ 58.166055][ T10] ? kthread_blkcg+0xd0/0xd0 [ 58.170746][ T10] ret_from_fork+0x1f/0x30 [ 58.175188][ T10] [ 58.178237][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 58.185030][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 58.195115][ T90] Call Trace: [ 58.198618][ T90] [ 58.201584][ T90] __dump_stack+0x21/0x30 [ 58.205968][ T90] dump_stack_lvl+0x110/0x170 [ 58.210936][ T90] ? show_regs_print_info+0x20/0x20 [ 58.216157][ T90] dump_stack+0x15/0x20 [ 58.220341][ T90] should_fail+0x3ab/0x500 [ 58.224774][ T90] __should_failslab+0xa4/0xe0 [ 58.229565][ T90] should_failslab+0x9/0x20 [ 58.234083][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 58.239177][ T90] ? getname_kernel+0x59/0x2e0 [ 58.244002][ T90] kmem_cache_alloc+0x44/0x260 [ 58.248791][ T90] getname_kernel+0x59/0x2e0 [ 58.253407][ T90] kern_path+0x23/0x1b0 [ 58.257580][ T90] unix_find_other+0xe9/0x830 [ 58.262427][ T90] ? __unix_set_addr+0x3c0/0x3c0 [ 58.267379][ T90] unix_dgram_connect+0x3c9/0xcb0 [ 58.272541][ T90] ? unix_read_sock+0x2d0/0x2d0 [ 58.277514][ T90] __sys_connect+0x3cb/0x450 [ 58.282130][ T90] ? __sys_connect_file+0x170/0x170 [ 58.287351][ T90] ? debug_smp_processor_id+0x17/0x20 [ 58.292749][ T90] __x64_sys_connect+0x7a/0x90 [ 58.297678][ T90] x64_sys_call+0x7c/0x9a0 [ 58.302214][ T90] do_syscall_64+0x4c/0xa0 [ 58.306665][ T90] ? clear_bhb_loop+0x50/0xa0 [ 58.311447][ T90] ? clear_bhb_loop+0x50/0xa0 [ 58.316230][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 58.322146][ T90] RIP: 0033:0x7f336e568407 [ 58.326697][ T90] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 58.346721][ T90] RSP: 002b:00007ffe3a5b6bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 58.356236][ T90] RAX: ffffffffffffffda RBX: 00007f336e418c80 RCX: 00007f336e568407 [ 58.364243][ T90] RDX: 000000000000006e RSI: 00007f336e66f560 RDI: 0000000000000003 [ 58.372239][ T90] RBP: 00007f336e66f560 R08: 0000000000000000 R09: 0000000000000000 [ 58.380406][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 58.388491][ T90] R13: 0000000000000069 R14: 0000000000000052 R15: 00007ffe3a5b6d40 [ 58.396488][ T90] [ 58.399520][ T64] CPU: 1 PID: 64 Comm: jbd2/sda1-8 Not tainted syzkaller #0 [ 58.406831][ T64] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 58.416902][ T64] Call Trace: [ 58.420202][ T64] [ 58.423146][ T64] __dump_stack+0x21/0x30 [ 58.427502][ T64] dump_stack_lvl+0x110/0x170 [ 58.432201][ T64] ? show_regs_print_info+0x20/0x20 [ 58.437417][ T64] ? prandom_u32+0x24d/0x290 [ 58.442028][ T64] dump_stack+0x15/0x20 [ 58.446238][ T64] should_fail+0x3ab/0x500 [ 58.450676][ T64] __should_failslab+0xa4/0xe0 [ 58.455461][ T64] should_failslab+0x9/0x20 [ 58.459989][ T64] slab_pre_alloc_hook+0x39/0xd0 [ 58.464945][ T64] ? mempool_alloc_slab+0x1d/0x30 [ 58.466054][ T140] FAULT_INJECTION: forcing a failure. [ 58.466054][ T140] name failslab, interval 1, probability 10, space 0, times 35 [ 58.470018][ T64] kmem_cache_alloc+0x44/0x260 [ 58.487982][ T64] ? submit_bio_noacct+0x762/0x800 [ 58.493133][ T64] mempool_alloc_slab+0x1d/0x30 [ 58.498204][ T64] ? mempool_free+0x330/0x330 [ 58.502896][ T64] mempool_alloc+0x423/0x4c0 [ 58.507534][ T64] ? chksum_update+0x47/0xa0 [ 58.512149][ T64] ? mempool_resize+0x880/0x880 [ 58.517104][ T64] ? blkcg_set_ioprio+0x1f6/0x320 [ 58.522148][ T64] ? submit_bio+0x367/0x620 [ 58.526704][ T64] ? submit_bio_noacct+0x800/0x800 [ 58.531872][ T64] bio_alloc_bioset+0x124/0x910 [ 58.536739][ T64] submit_bh_wbc+0x1c2/0x680 [ 58.541354][ T64] submit_bh+0x2a/0x40 [ 58.545444][ T64] jbd2_journal_commit_transaction+0x2461/0x5650 [ 58.551842][ T64] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 58.558624][ T64] ? __switch_to+0x6f8/0x1070 [ 58.563322][ T64] ? compat_start_thread+0x20/0x20 [ 58.568454][ T64] ? _raw_spin_unlock+0x4d/0x70 [ 58.573325][ T64] ? _raw_spin_lock+0xf0/0xf0 [ 58.578023][ T64] ? __kasan_check_write+0x14/0x20 [ 58.583158][ T64] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 58.588646][ T64] ? _raw_spin_lock+0xf0/0xf0 [ 58.593343][ T64] ? detach_if_pending+0xf5/0x300 [ 58.598385][ T64] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 58.604210][ T64] ? del_timer_sync+0x144/0x1a0 [ 58.609082][ T64] kjournald2+0x43d/0x860 [ 58.613437][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 58.618650][ T64] ? io_schedule+0xe0/0xe0 [ 58.623085][ T64] ? __kasan_check_read+0x11/0x20 [ 58.628125][ T64] ? __kthread_parkme+0xab/0x1f0 [ 58.633089][ T64] kthread+0x3f5/0x4f0 [ 58.637177][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 58.642578][ T64] ? kthread_blkcg+0xd0/0xd0 [ 58.647202][ T64] ret_from_fork+0x1f/0x30 [ 58.651654][ T64] [ 58.654698][ T140] CPU: 0 PID: 140 Comm: dhcpcd Not tainted syzkaller #0 [ 58.661676][ T140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 58.671756][ T140] Call Trace: [ 58.675053][ T140] [ 58.677998][ T140] __dump_stack+0x21/0x30 [ 58.682349][ T140] dump_stack_lvl+0x110/0x170 [ 58.687045][ T140] ? show_regs_print_info+0x20/0x20 [ 58.692259][ T140] ? prandom_u32+0x24d/0x290 [ 58.696867][ T140] dump_stack+0x15/0x20 [ 58.701036][ T140] should_fail+0x3ab/0x500 [ 58.705466][ T140] __should_failslab+0xa4/0xe0 [ 58.710268][ T140] should_failslab+0x9/0x20 [ 58.714789][ T140] slab_pre_alloc_hook+0x39/0xd0 [ 58.719744][ T140] ? sock_alloc_inode+0x1b/0xb0 [ 58.724622][ T140] kmem_cache_alloc+0x44/0x260 [ 58.729401][ T140] ? sockfs_init_fs_context+0xb0/0xb0 [ 58.734788][ T140] sock_alloc_inode+0x1b/0xb0 [ 58.739484][ T140] ? sockfs_init_fs_context+0xb0/0xb0 [ 58.744874][ T140] new_inode_pseudo+0x62/0x210 [ 58.749739][ T140] __sock_create+0x12c/0x7a0 [ 58.754353][ T140] __sys_socket+0xec/0x190 [ 58.758784][ T140] __x64_sys_socket+0x7a/0x90 [ 58.763485][ T140] x64_sys_call+0x8c5/0x9a0 [ 58.768002][ T140] do_syscall_64+0x4c/0xa0 [ 58.772431][ T140] ? clear_bhb_loop+0x50/0xa0 [ 58.777125][ T140] ? clear_bhb_loop+0x50/0xa0 [ 58.781814][ T140] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 58.787724][ T140] RIP: 0033:0x7f2990a63707 [ 58.792166][ T140] 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 [ 58.811791][ T140] RSP: 002b:00007ffecbb37ba8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 58.820221][ T140] RAX: ffffffffffffffda RBX: 000000000000004a RCX: 00007f2990a63707 [ 58.828209][ T140] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 58.836280][ T140] RBP: 00007f2990aef560 R08: 0000000000000000 R09: 0000000000000000 [ 58.844262][ T140] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 58.852270][ T140] R13: 00007ffecbb37cd0 R14: 0000000000000029 R15: 00007ffecbb37cd0 [ 58.860274][ T140] [ 58.863438][ T59] CPU: 0 PID: 59 Comm: kworker/0:2 Not tainted syzkaller #0 [ 58.870775][ T59] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 58.880847][ T59] Workqueue: ipv6_addrconf addrconf_dad_work [ 58.886961][ T59] Call Trace: [ 58.890262][ T59] [ 58.893263][ T59] __dump_stack+0x21/0x30 [ 58.897613][ T59] dump_stack_lvl+0x110/0x170 [ 58.902304][ T59] ? show_regs_print_info+0x20/0x20 [ 58.907523][ T59] ? prandom_u32+0x24d/0x290 [ 58.912129][ T59] dump_stack+0x15/0x20 [ 58.916304][ T59] should_fail+0x3ab/0x500 [ 58.920737][ T59] ? ndisc_send_ns+0x347/0xb10 [ 58.925513][ T59] __should_failslab+0xa4/0xe0 [ 58.930293][ T59] should_failslab+0x9/0x20 [ 58.934814][ T59] slab_pre_alloc_hook+0x39/0xd0 [ 58.939778][ T59] ? ndisc_send_ns+0x347/0xb10 [ 58.944578][ T59] ? ndisc_send_ns+0x347/0xb10 [ 58.949355][ T59] __kmalloc_track_caller+0x6c/0x2c0 [ 58.954782][ T59] ? ndisc_send_ns+0x347/0xb10 [ 58.959656][ T59] ? ndisc_send_ns+0x347/0xb10 [ 58.964591][ T59] __alloc_skb+0x210/0x730 [ 58.969029][ T59] ndisc_send_ns+0x347/0xb10 [ 58.973635][ T59] ? ndisc_send_skb+0xcf0/0xcf0 [ 58.978498][ T59] ? mod_delayed_work_on+0xa8/0xe0 [ 58.983753][ T59] addrconf_dad_work+0x9fa/0x1510 [ 58.988832][ T59] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 58.994150][ T59] ? __schedule+0xbd7/0x14a0 [ 58.998780][ T59] process_one_work+0x6c8/0xbb0 [ 59.003668][ T59] worker_thread+0xaa0/0x1250 [ 59.008667][ T59] ? __kasan_check_read+0x11/0x20 [ 59.013839][ T59] kthread+0x3f5/0x4f0 [ 59.017946][ T59] ? worker_clr_flags+0x190/0x190 [ 59.022991][ T59] ? kthread_blkcg+0xd0/0xd0 [ 59.027599][ T59] ret_from_fork+0x1f/0x30 [ 59.032048][ T59] [ 59.035239][ T101] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 59.035760][ T90] FAULT_INJECTION: forcing a failure. [ 59.035760][ T90] name failslab, interval 1, probability 10, space 0, times 33 [ 59.042114][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 59.056008][ T64] FAULT_INJECTION: forcing a failure. [ 59.056008][ T64] name failslab, interval 1, probability 10, space 0, times 33 [ 59.064945][ T101] Call Trace: [ 59.080992][ T101] [ 59.083940][ T101] __dump_stack+0x21/0x30 [ 59.088323][ T101] dump_stack_lvl+0x110/0x170 [ 59.093106][ T101] ? show_regs_print_info+0x20/0x20 [ 59.098319][ T101] dump_stack+0x15/0x20 [ 59.102495][ T101] should_fail+0x3ab/0x500 [ 59.106931][ T101] __should_failslab+0xa4/0xe0 [ 59.111720][ T101] should_failslab+0x9/0x20 [ 59.116244][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 59.121198][ T101] ? getname_flags+0xba/0x510 [ 59.125888][ T101] kmem_cache_alloc+0x44/0x260 [ 59.130678][ T101] getname_flags+0xba/0x510 [ 59.135201][ T101] user_path_at_empty+0x2f/0x1c0 [ 59.140161][ T101] vfs_statx+0x109/0xa20 [ 59.144421][ T101] ? from_kgid_munged+0x193/0x6e0 [ 59.149460][ T101] ? vfs_fstatat+0x40/0x40 [ 59.153923][ T101] __se_sys_newfstatat+0x10e/0x3d0 [ 59.159050][ T101] ? __x64_sys_newfstatat+0xb0/0xb0 [ 59.164355][ T101] ? __ia32_sys_epoll_ctl+0x1b0/0x1b0 [ 59.169747][ T101] __x64_sys_newfstatat+0x9b/0xb0 [ 59.174793][ T101] x64_sys_call+0x2c1/0x9a0 [ 59.179310][ T101] do_syscall_64+0x4c/0xa0 [ 59.183739][ T101] ? clear_bhb_loop+0x50/0xa0 [ 59.188448][ T101] ? clear_bhb_loop+0x50/0xa0 [ 59.193145][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.199052][ T101] RIP: 0033:0x7f48232d1b0a [ 59.203489][ T101] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 59.223207][ T101] RSP: 002b:00007ffc27d67cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 59.231647][ T101] RAX: ffffffffffffffda RBX: 000055a442094418 RCX: 00007f48232d1b0a [ 59.239640][ T101] RDX: 00007ffc27d67cc0 RSI: 000055a442082ef3 RDI: 00000000ffffff9c [ 59.247651][ T101] RBP: 000055a4651a7658 R08: 000657993ee95623 R09: 002ca2c48ff87930 [ 59.255660][ T101] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 59.263756][ T101] R13: 00007ffc27d67cc0 R14: 0000000000000000 R15: 000657993ee95623 [ 59.271751][ T101] [ 59.275042][ T101] FAULT_INJECTION: forcing a failure. [ 59.275042][ T101] name failslab, interval 1, probability 10, space 0, times 31 [ 59.277683][ T332] FAULT_INJECTION: forcing a failure. [ 59.277683][ T332] name failslab, interval 1, probability 10, space 0, times 31 [ 59.288892][ T10] FAULT_INJECTION: forcing a failure. [ 59.288892][ T10] name failslab, interval 1, probability 10, space 0, times 30 [ 59.300849][ T64] CPU: 1 PID: 64 Comm: jbd2/sda1-8 Not tainted syzkaller #0 [ 59.320864][ T64] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 59.330942][ T64] Call Trace: [ 59.334260][ T64] [ 59.337209][ T64] __dump_stack+0x21/0x30 [ 59.341561][ T64] dump_stack_lvl+0x110/0x170 [ 59.346717][ T64] ? show_regs_print_info+0x20/0x20 [ 59.351939][ T64] ? prandom_u32+0x24d/0x290 [ 59.356578][ T64] dump_stack+0x15/0x20 [ 59.360747][ T64] should_fail+0x3ab/0x500 [ 59.365181][ T64] __should_failslab+0xa4/0xe0 [ 59.370402][ T64] should_failslab+0x9/0x20 [ 59.374932][ T64] slab_pre_alloc_hook+0x39/0xd0 [ 59.375688][ T140] socket: no more sockets [ 59.379978][ T64] ? mempool_alloc_slab+0x1d/0x30 [ 59.389966][ T64] kmem_cache_alloc+0x44/0x260 [ 59.394843][ T64] ? submit_bio_noacct+0x762/0x800 [ 59.400004][ T64] ? mempool_free+0x330/0x330 [ 59.404764][ T64] mempool_alloc_slab+0x1d/0x30 [ 59.409707][ T64] mempool_alloc+0x167/0x4c0 [ 59.414355][ T64] ? chksum_update+0x47/0xa0 [ 59.419072][ T64] ? fscrypt_set_bio_crypt_ctx+0x179/0x4f0 [ 59.424922][ T64] ? mempool_resize+0x880/0x880 [ 59.429816][ T64] ? blkcg_set_ioprio+0x1f6/0x320 [ 59.434861][ T64] ? submit_bio+0x367/0x620 [ 59.439819][ T64] ? submit_bio_noacct+0x800/0x800 [ 59.444969][ T64] bio_alloc_bioset+0x124/0x910 [ 59.449841][ T64] submit_bh_wbc+0x1c2/0x680 [ 59.454464][ T64] submit_bh+0x2a/0x40 [ 59.458646][ T64] jbd2_journal_commit_transaction+0x2461/0x5650 [ 59.465264][ T64] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 59.472049][ T64] ? __switch_to+0x6f8/0x1070 [ 59.476748][ T64] ? compat_start_thread+0x20/0x20 [ 59.481878][ T64] ? _raw_spin_unlock+0x4d/0x70 [ 59.486853][ T64] ? _raw_spin_lock+0xf0/0xf0 [ 59.491611][ T64] ? __kasan_check_write+0x14/0x20 [ 59.497070][ T64] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 59.502717][ T64] ? _raw_spin_lock+0xf0/0xf0 [ 59.507420][ T64] ? detach_if_pending+0xf5/0x300 [ 59.512689][ T64] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 59.518571][ T64] ? del_timer_sync+0x144/0x1a0 [ 59.523449][ T64] kjournald2+0x43d/0x860 [ 59.527806][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 59.533111][ T64] ? io_schedule+0xe0/0xe0 [ 59.537552][ T64] ? __kasan_check_read+0x11/0x20 [ 59.542628][ T64] ? __kthread_parkme+0xab/0x1f0 [ 59.548149][ T64] kthread+0x3f5/0x4f0 [ 59.552341][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 59.557662][ T64] ? kthread_blkcg+0xd0/0xd0 [ 59.562644][ T64] ret_from_fork+0x1f/0x30 [ 59.567111][ T64] [ 59.570170][ T101] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 59.577069][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 59.587372][ T101] Call Trace: [ 59.590680][ T101] [ 59.593754][ T101] __dump_stack+0x21/0x30 [ 59.598265][ T101] dump_stack_lvl+0x110/0x170 [ 59.602982][ T101] ? show_regs_print_info+0x20/0x20 [ 59.608212][ T101] dump_stack+0x15/0x20 [ 59.612410][ T101] should_fail+0x3ab/0x500 [ 59.616848][ T101] __should_failslab+0xa4/0xe0 [ 59.621641][ T101] should_failslab+0x9/0x20 [ 59.626164][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 59.631213][ T101] ? getname_flags+0xba/0x510 [ 59.635905][ T101] kmem_cache_alloc+0x44/0x260 [ 59.640688][ T101] getname_flags+0xba/0x510 [ 59.645502][ T101] user_path_at_empty+0x2f/0x1c0 [ 59.650587][ T101] vfs_statx+0x109/0xa20 [ 59.655131][ T101] ? from_kgid_munged+0x193/0x6e0 [ 59.660535][ T101] ? vfs_fstatat+0x40/0x40 [ 59.665027][ T101] __se_sys_newfstatat+0x10e/0x3d0 [ 59.670170][ T101] ? __x64_sys_newfstatat+0xb0/0xb0 [ 59.675452][ T101] __x64_sys_newfstatat+0x9b/0xb0 [ 59.680675][ T101] x64_sys_call+0x2c1/0x9a0 [ 59.685303][ T101] do_syscall_64+0x4c/0xa0 [ 59.689747][ T101] ? clear_bhb_loop+0x50/0xa0 [ 59.694442][ T101] ? clear_bhb_loop+0x50/0xa0 [ 59.699139][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.705233][ T101] RIP: 0033:0x7f48232d1b0a [ 59.709664][ T101] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 59.729286][ T101] RSP: 002b:00007ffc27d67cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 59.737988][ T101] RAX: ffffffffffffffda RBX: 000055a4651a64b0 RCX: 00007f48232d1b0a [ 59.745980][ T101] RDX: 00007ffc27d67cc0 RSI: 000055a4651a64b0 RDI: 00000000ffffff9c [ 59.754416][ T101] RBP: 000055a464f69f90 R08: 00063478c1c69200 R09: 002ca2c48ff87930 [ 59.762498][ T101] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc27d67cc0 [ 59.770481][ T101] R13: 000055a44209d100 R14: 0000000000000001 R15: 0000000000000000 [ 59.778476][ T101] [ 59.781534][ T332] CPU: 1 PID: 332 Comm: kworker/1:2 Not tainted syzkaller #0 [ 59.788938][ T332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 59.799023][ T332] Workqueue: ipv6_addrconf addrconf_dad_work [ 59.805027][ T332] Call Trace: [ 59.808323][ T332] [ 59.811268][ T332] __dump_stack+0x21/0x30 [ 59.815627][ T332] dump_stack_lvl+0x110/0x170 [ 59.820321][ T332] ? show_regs_print_info+0x20/0x20 [ 59.825540][ T332] ? prandom_u32+0x24d/0x290 [ 59.830148][ T332] dump_stack+0x15/0x20 [ 59.834322][ T332] should_fail+0x3ab/0x500 [ 59.838760][ T332] ? ndisc_send_ns+0x347/0xb10 [ 59.843544][ T332] __should_failslab+0xa4/0xe0 [ 59.848426][ T332] should_failslab+0x9/0x20 [ 59.852956][ T332] slab_pre_alloc_hook+0x39/0xd0 [ 59.857909][ T332] ? ndisc_send_ns+0x347/0xb10 [ 59.862694][ T332] ? ndisc_send_ns+0x347/0xb10 [ 59.867469][ T332] __kmalloc_track_caller+0x6c/0x2c0 [ 59.872775][ T332] ? ndisc_send_ns+0x347/0xb10 [ 59.877549][ T332] ? ndisc_send_ns+0x347/0xb10 [ 59.882343][ T332] __alloc_skb+0x210/0x730 [ 59.886779][ T332] ndisc_send_ns+0x347/0xb10 [ 59.891387][ T332] ? ndisc_send_skb+0xcf0/0xcf0 [ 59.896253][ T332] ? mod_delayed_work_on+0xa8/0xe0 [ 59.901390][ T332] addrconf_dad_work+0x9fa/0x1510 [ 59.906458][ T332] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 59.911759][ T332] ? __kasan_check_write+0x14/0x20 [ 59.916893][ T332] ? _raw_spin_lock_irq+0x95/0xf0 [ 59.921945][ T332] process_one_work+0x6c8/0xbb0 [ 59.926834][ T332] worker_thread+0xaa0/0x1250 [ 59.931538][ T332] kthread+0x3f5/0x4f0 [ 59.935627][ T332] ? worker_clr_flags+0x190/0x190 [ 59.940882][ T332] ? kthread_blkcg+0xd0/0xd0 [ 59.945511][ T332] ret_from_fork+0x1f/0x30 [ 59.949995][ T332] [ 59.953027][ T10] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 59.960435][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 59.970505][ T10] Workqueue: writeback wb_workfn (flush-8:0) [ 59.976518][ T10] Call Trace: [ 59.979896][ T10] [ 59.982835][ T10] __dump_stack+0x21/0x30 [ 59.987177][ T10] dump_stack_lvl+0x110/0x170 [ 59.991959][ T10] ? show_regs_print_info+0x20/0x20 [ 59.997172][ T10] ? prandom_u32+0x24d/0x290 [ 60.001773][ T10] dump_stack+0x15/0x20 [ 60.005945][ T10] should_fail+0x3ab/0x500 [ 60.010375][ T10] __should_failslab+0xa4/0xe0 [ 60.015152][ T10] should_failslab+0x9/0x20 [ 60.019667][ T10] slab_pre_alloc_hook+0x39/0xd0 [ 60.024622][ T10] ? mempool_alloc_slab+0x1d/0x30 [ 60.029660][ T10] kmem_cache_alloc+0x44/0x260 [ 60.034475][ T10] ? mempool_free+0x330/0x330 [ 60.039171][ T10] mempool_alloc_slab+0x1d/0x30 [ 60.044033][ T10] mempool_alloc+0x167/0x4c0 [ 60.048640][ T10] ? cgroup_rstat_updated+0xf0/0x360 [ 60.053938][ T10] ? __this_cpu_preempt_check+0x13/0x20 [ 60.059497][ T10] ? __mod_memcg_lruvec_state+0x122/0x1b0 [ 60.065231][ T10] ? mempool_resize+0x880/0x880 [ 60.070099][ T10] ? __test_set_page_writeback+0x670/0x910 [ 60.075942][ T10] bio_alloc_bioset+0x124/0x910 [ 60.080806][ T10] ? __kasan_check_write+0x14/0x20 [ 60.086018][ T10] submit_bh_wbc+0x1c2/0x680 [ 60.091330][ T10] ? page_mkclean+0x209/0x2b0 [ 60.096037][ T10] __block_write_full_page+0x877/0xef0 [ 60.101539][ T10] ? blkdev_fallocate+0x4f0/0x4f0 [ 60.106586][ T10] ? mark_buffer_write_io_error+0x270/0x270 [ 60.112498][ T10] block_write_full_page+0x12f/0x140 [ 60.117820][ T10] ? blkdev_fallocate+0x4f0/0x4f0 [ 60.122860][ T10] blkdev_writepage+0x24/0x30 [ 60.127547][ T10] __writepage+0x66/0x130 [ 60.131898][ T10] write_cache_pages+0x7ce/0xd30 [ 60.136850][ T10] ? generic_writepages+0x170/0x170 [ 60.142066][ T10] ? tag_pages_for_writeback+0x3d0/0x3d0 [ 60.147722][ T10] ? blk_start_plug+0x50/0x170 [ 60.152506][ T10] generic_writepages+0x104/0x170 [ 60.157546][ T10] ? clear_page_dirty_for_io+0x5a0/0x5a0 [ 60.163209][ T10] ? __kasan_check_write+0x14/0x20 [ 60.168534][ T10] ? _raw_spin_lock+0x94/0xf0 [ 60.173259][ T10] ? _raw_spin_trylock_bh+0x150/0x150 [ 60.178649][ T10] ? __local_bh_enable_ip+0x58/0x80 [ 60.183911][ T10] blkdev_writepages+0x1d/0x30 [ 60.188704][ T10] ? blkdev_readpage+0x20/0x20 [ 60.193489][ T10] do_writepages+0x476/0x6d0 [ 60.198100][ T10] ? dev_queue_xmit+0x20/0x20 [ 60.202817][ T10] ? __writepage+0x130/0x130 [ 60.207429][ T10] ? selinux_ipv6_output+0x10/0x10 [ 60.212575][ T10] ? __kasan_check_write+0x14/0x20 [ 60.217708][ T10] ? _raw_spin_lock+0x94/0xf0 [ 60.222614][ T10] __writeback_single_inode+0xd9/0x9e0 [ 60.228092][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0 [ 60.234199][ T10] writeback_sb_inodes+0x9f3/0x1610 [ 60.239422][ T10] ? queue_io+0x4b0/0x4b0 [ 60.243854][ T10] ? down_read_trylock+0x317/0x630 [ 60.245685][ C1] FAULT_INJECTION: forcing a failure. [ 60.245685][ C1] name failslab, interval 1, probability 10, space 0, times 29 [ 60.249138][ T10] __writeback_inodes_wb+0x127/0x400 [ 60.267542][ T10] wb_writeback+0x3ff/0x990 [ 60.272075][ T10] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 60.278069][ T10] ? set_worker_desc+0x1ba/0x1f0 [ 60.283024][ T10] ? __kasan_check_write+0x14/0x20 [ 60.288164][ T10] ? cpumask_next+0x7c/0xa0 [ 60.292694][ T10] wb_workfn+0xa49/0xf30 [ 60.296966][ T10] ? inode_wait_for_writeback+0x220/0x220 [ 60.302699][ T10] ? compat_start_thread+0x20/0x20 [ 60.307998][ T10] ? finish_task_switch+0x16b/0x790 [ 60.313233][ T10] ? switch_mm_irqs_off+0x730/0x960 [ 60.318447][ T10] ? __schedule+0xbd7/0x14a0 [ 60.323137][ T10] process_one_work+0x6c8/0xbb0 [ 60.328012][ T10] worker_thread+0xaa0/0x1250 [ 60.332724][ T10] kthread+0x3f5/0x4f0 [ 60.336810][ T10] ? worker_clr_flags+0x190/0x190 [ 60.341850][ T10] ? kthread_blkcg+0xd0/0xd0 [ 60.346567][ T10] ret_from_fork+0x1f/0x30 [ 60.351621][ T10] [ 60.354657][ C1] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 60.362880][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 60.373781][ C1] Workqueue: events_unbound toggle_allocation_gate [ 60.380388][ C1] Call Trace: [ 60.383691][ C1] [ 60.387398][ C1] __dump_stack+0x21/0x30 [ 60.391753][ C1] dump_stack_lvl+0x110/0x170 [ 60.396453][ C1] ? show_regs_print_info+0x20/0x20 [ 60.401768][ C1] ? prandom_u32+0x24d/0x290 [ 60.406393][ C1] dump_stack+0x15/0x20 [ 60.410742][ C1] should_fail+0x3ab/0x500 [ 60.415379][ C1] __should_failslab+0xa4/0xe0 [ 60.420707][ C1] should_failslab+0x9/0x20 [ 60.425252][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 60.430453][ C1] ? __alloc_skb+0xe4/0x730 [ 60.434997][ C1] kmem_cache_alloc+0x44/0x260 [ 60.439802][ C1] __alloc_skb+0xe4/0x730 [ 60.444160][ C1] wg_packet_send_keepalive+0x62/0x1c0 [ 60.449725][ C1] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 60.456337][ C1] wg_expired_send_persistent_keepalive+0x53/0x80 [ 60.463054][ C1] ? wg_expired_zero_key_material+0x170/0x170 [ 60.469148][ C1] call_timer_fn+0x38/0x290 [ 60.473673][ C1] ? wg_expired_zero_key_material+0x170/0x170 [ 60.479849][ C1] __run_timers+0x637/0x9a0 [ 60.484525][ C1] ? calc_index+0x200/0x200 [ 60.489245][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 60.494473][ C1] run_timer_softirq+0x6a/0xf0 [ 60.495736][ T101] FAULT_INJECTION: forcing a failure. [ 60.495736][ T101] name failslab, interval 1, probability 10, space 0, times 28 [ 60.499267][ C1] handle_softirqs+0x250/0x560 [ 60.516878][ C1] ? irqtime_account_irq+0xbe/0x390 [ 60.522109][ C1] __irq_exit_rcu+0x52/0xf0 [ 60.526632][ C1] irq_exit_rcu+0x9/0x10 [ 60.530895][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 60.536662][ C1] [ 60.539613][ C1] [ 60.542554][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 60.548561][ C1] RIP: 0010:smp_call_function_many_cond+0x8ad/0x9e0 [ 60.555194][ C1] Code: 0f b6 44 05 00 84 c0 0f 85 9b 00 00 00 41 8b 1f 89 de 83 e6 01 31 ff e8 31 48 0a 00 83 e3 01 75 07 e8 77 44 0a 00 eb 42 f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 75 10 41 f7 [ 60.574988][ C1] RSP: 0018:ffffc90000087860 EFLAGS: 00000293 [ 60.581077][ C1] RAX: ffffffff815f728f RBX: 0000000000000001 RCX: ffff8881002713c0 [ 60.589064][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 60.597420][ C1] RBP: ffffc90000087978 R08: ffff8881f7138e97 R09: 1ffff1103ee271d2 [ 60.605409][ C1] R10: dffffc0000000000 R11: ffffed103ee271d3 R12: ffff8881f7138e80 [ 60.613408][ C1] R13: 1ffff1103ee07af9 R14: 0000000000000000 R15: ffff8881f703d7c8 [ 60.621398][ C1] ? smp_call_function_many_cond+0x8cf/0x9e0 [ 60.627552][ C1] ? text_poke_sync+0x30/0x30 [ 60.632378][ C1] ? smp_call_function_many+0x40/0x40 [ 60.637783][ C1] ? __kmalloc_track_caller+0x75/0x2c0 [ 60.643264][ C1] ? text_poke+0x20/0x20 [ 60.647527][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 60.652922][ C1] ? text_poke_sync+0x30/0x30 [ 60.657618][ C1] on_each_cpu_cond_mask+0x43/0x80 [ 60.662746][ C1] text_poke_bp_batch+0x420/0x600 [ 60.667785][ C1] ? text_poke_loc_init+0x560/0x560 [ 60.673000][ C1] ? __kasan_check_write+0x14/0x20 [ 60.678127][ C1] ? mutex_lock+0x9b/0x1c0 [ 60.682567][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 60.689172][ C1] ? text_poke_queue+0xde/0x1a0 [ 60.694043][ C1] text_poke_finish+0x1a/0x30 [ 60.698732][ C1] arch_jump_label_transform_apply+0x15/0x30 [ 60.704731][ C1] __jump_label_update+0x38f/0x3b0 [ 60.709867][ C1] jump_label_update+0x39b/0x450 [ 60.714828][ C1] static_key_disable_cpuslocked+0xc5/0x1a0 [ 60.720771][ C1] static_key_disable+0x1a/0x30 [ 60.725638][ C1] toggle_allocation_gate+0x3af/0x440 [ 60.731029][ C1] ? kfence_debugfs_init+0x70/0x70 [ 60.736167][ C1] ? _raw_spin_unlock+0x4d/0x70 [ 60.741035][ C1] ? finish_task_switch+0x16b/0x790 [ 60.746261][ C1] ? __schedule+0xbd7/0x14a0 [ 60.750880][ C1] process_one_work+0x6c8/0xbb0 [ 60.755749][ C1] worker_thread+0xaa0/0x1250 [ 60.760534][ C1] kthread+0x3f5/0x4f0 [ 60.764616][ C1] ? worker_clr_flags+0x190/0x190 [ 60.769655][ C1] ? kthread_blkcg+0xd0/0xd0 [ 60.774264][ C1] ret_from_fork+0x1f/0x30 [ 60.778700][ C1] [ 60.781736][ T101] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 60.788623][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 60.798709][ T101] Call Trace: [ 60.802018][ T101] [ 60.804959][ T101] __dump_stack+0x21/0x30 [ 60.809319][ T101] dump_stack_lvl+0x110/0x170 [ 60.814009][ T101] ? show_regs_print_info+0x20/0x20 [ 60.819228][ T101] dump_stack+0x15/0x20 [ 60.823395][ T101] should_fail+0x3ab/0x500 [ 60.827823][ T101] __should_failslab+0xa4/0xe0 [ 60.832610][ T101] should_failslab+0x9/0x20 [ 60.837123][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 60.842076][ T101] ? getname_flags+0xba/0x510 [ 60.846774][ T101] kmem_cache_alloc+0x44/0x260 [ 60.851553][ T101] getname_flags+0xba/0x510 [ 60.856066][ T101] user_path_at_empty+0x2f/0x1c0 [ 60.861019][ T101] vfs_statx+0x109/0xa20 [ 60.865290][ T101] ? from_kgid_munged+0x193/0x6e0 [ 60.870348][ T101] ? vfs_fstatat+0x40/0x40 [ 60.874891][ T101] __se_sys_newfstatat+0x10e/0x3d0 [ 60.880016][ T101] ? __x64_sys_newfstatat+0xb0/0xb0 [ 60.885341][ T101] ? __kasan_check_write+0x14/0x20 [ 60.890468][ T101] ? switch_fpu_return+0x15d/0x2c0 [ 60.895596][ T101] __x64_sys_newfstatat+0x9b/0xb0 [ 60.900641][ T101] x64_sys_call+0x2c1/0x9a0 [ 60.905158][ T101] do_syscall_64+0x4c/0xa0 [ 60.909590][ T101] ? clear_bhb_loop+0x50/0xa0 [ 60.914278][ T101] ? clear_bhb_loop+0x50/0xa0 [ 60.918969][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.924896][ T101] RIP: 0033:0x7f48232d1b0a [ 60.929326][ T101] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 60.949145][ T101] RSP: 002b:00007ffc27d67cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 60.957706][ T101] RAX: ffffffffffffffda RBX: 000055a4651a64c3 RCX: 00007f48232d1b0a [ 60.965703][ T101] RDX: 00007ffc27d67cc0 RSI: 000055a4651a64c3 RDI: 00000000ffffff9c [ 60.973692][ T101] RBP: 000055a464f69f90 R08: 00063478c1c69200 R09: 002ca2c48ff87930 [ 60.981679][ T101] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc27d67cc0 [ 60.989663][ T101] R13: 000055a44209d100 R14: 0000000000000001 R15: 0000000000000000 [ 60.997652][ T101] [ 61.000736][ C0] FAULT_INJECTION: forcing a failure. [ 61.000736][ C0] name failslab, interval 1, probability 10, space 0, times 25 [ 61.013554][ C0] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 61.018392][ T10] FAULT_INJECTION: forcing a failure. [ 61.018392][ T10] name failslab, interval 1, probability 10, space 0, times 24 [ 61.020453][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 61.043717][ C0] Call Trace: [ 61.047017][ C0] [ 61.049909][ C0] __dump_stack+0x21/0x30 [ 61.054266][ C0] dump_stack_lvl+0x110/0x170 [ 61.058967][ C0] ? show_regs_print_info+0x20/0x20 [ 61.064183][ C0] ? prandom_u32+0x24d/0x290 [ 61.068792][ C0] dump_stack+0x15/0x20 [ 61.072967][ C0] should_fail+0x3ab/0x500 [ 61.077398][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 61.083048][ C0] __should_failslab+0xa4/0xe0 [ 61.087835][ C0] should_failslab+0x9/0x20 [ 61.092360][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 61.097309][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 61.102956][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 61.108611][ C0] __kmalloc_track_caller+0x6c/0x2c0 [ 61.113916][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 61.119565][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 61.125212][ C0] __alloc_skb+0x210/0x730 [ 61.129643][ C0] wg_packet_send_keepalive+0x62/0x1c0 [ 61.135116][ C0] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 61.141720][ C0] wg_expired_send_persistent_keepalive+0x53/0x80 [ 61.148154][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 61.154238][ C0] call_timer_fn+0x38/0x290 [ 61.158755][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 61.164927][ C0] __run_timers+0x637/0x9a0 [ 61.169458][ C0] ? calc_index+0x200/0x200 [ 61.173984][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 61.178871][ C0] run_timer_softirq+0x6a/0xf0 [ 61.183655][ C0] handle_softirqs+0x250/0x560 [ 61.188435][ C0] ? irqtime_account_irq+0xbe/0x390 [ 61.193735][ C0] __irq_exit_rcu+0x52/0xf0 [ 61.198253][ C0] irq_exit_rcu+0x9/0x10 [ 61.202513][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 61.208162][ C0] [ 61.211103][ C0] [ 61.214061][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 61.220054][ C0] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 61.225981][ 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 11 4d 95 fc fb bf 01 00 00 00 76 e4 ff ff fa bf 01 00 00 00 e8 ab 4e 95 fc 65 48 8b 1d 13 f7 [ 61.245874][ C0] RSP: 0018:ffffc90000a677c0 EFLAGS: 00000246 [ 61.252078][ C0] RAX: 1ffff11021bbe3ce RBX: ffffc90000a67898 RCX: ffffffff870cbf00 [ 61.260074][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 61.268176][ C0] RBP: ffffc90000a67848 R08: ffff88810ddf13c7 R09: 1ffff11021bbe278 [ 61.276170][ C0] R10: dffffc0000000000 R11: ffffed1021bbe279 R12: 0000000000000000 [ 61.284159][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200014cef8 [ 61.292151][ C0] ? __cond_resched+0xd0/0xd0 [ 61.296854][ C0] irqentry_exit_cond_resched+0x29/0x30 [ 61.302418][ C0] irqentry_exit+0x37/0x40 [ 61.306850][ C0] sysvec_reschedule_ipi+0x78/0x80 [ 61.311978][ C0] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 61.317453][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 61.322949][ C0] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 61.342571][ C0] RSP: 0018:ffffc90000a67940 EFLAGS: 00000293 [ 61.348656][ C0] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff88810ddf13c0 [ 61.356646][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 61.364668][ C0] RBP: ffffc90000a679d8 R08: 0000000000000003 R09: 0000000000000004 [ 61.372653][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 61.380644][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200014cf28 [ 61.388631][ C0] ? dump_stack_lvl+0x13b/0x170 [ 61.393635][ C0] ? show_regs_print_info+0x20/0x20 [ 61.398871][ C0] dump_stack+0x15/0x20 [ 61.403047][ C0] should_fail+0x3ab/0x500 [ 61.407484][ C0] __should_failslab+0xa4/0xe0 [ 61.412272][ C0] should_failslab+0x9/0x20 [ 61.416794][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 61.421755][ C0] ? getname_flags+0xba/0x510 [ 61.426459][ C0] kmem_cache_alloc+0x44/0x260 [ 61.431325][ C0] getname_flags+0xba/0x510 [ 61.436163][ C0] user_path_at_empty+0x2f/0x1c0 [ 61.441222][ C0] vfs_statx+0x109/0xa20 [ 61.445588][ C0] ? from_kgid_munged+0x193/0x6e0 [ 61.450635][ C0] ? vfs_fstatat+0x40/0x40 [ 61.455069][ C0] __se_sys_newfstatat+0x10e/0x3d0 [ 61.460198][ C0] ? __x64_sys_newfstatat+0xb0/0xb0 [ 61.465422][ C0] ? __kasan_check_write+0x14/0x20 [ 61.470562][ C0] ? switch_fpu_return+0x15d/0x2c0 [ 61.475693][ C0] __x64_sys_newfstatat+0x9b/0xb0 [ 61.480732][ C0] x64_sys_call+0x2c1/0x9a0 [ 61.485257][ C0] do_syscall_64+0x4c/0xa0 [ 61.489708][ C0] ? clear_bhb_loop+0x50/0xa0 [ 61.494402][ C0] ? clear_bhb_loop+0x50/0xa0 [ 61.499120][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 61.505025][ C0] RIP: 0033:0x7f48232d1b0a [ 61.509464][ 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 [ 61.529092][ C0] RSP: 002b:00007ffc27d67cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 61.537524][ C0] RAX: ffffffffffffffda RBX: 000055a4651a64c3 RCX: 00007f48232d1b0a [ 61.545516][ C0] RDX: 00007ffc27d67cc0 RSI: 000055a4651a64c3 RDI: 00000000ffffff9c [ 61.553514][ C0] RBP: 000055a464f69f90 R08: 00063478c1c69200 R09: 002ca2c48ff87930 [ 61.561502][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc27d67cc0 [ 61.569490][ C0] R13: 000055a44209d100 R14: 0000000000000001 R15: 0000000000000000 [ 61.577480][ C0] [ 61.580518][ T10] CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 61.580663][ C0] FAULT_INJECTION: forcing a failure. [ 61.580663][ C0] name failslab, interval 1, probability 10, space 0, times 23 [ 61.587955][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 61.587972][ T10] Workqueue: writeback wb_workfn (flush-8:0) [ 61.616775][ T10] Call Trace: [ 61.620071][ T10] [ 61.623014][ T10] __dump_stack+0x21/0x30 [ 61.627367][ T10] dump_stack_lvl+0x110/0x170 [ 61.632059][ T10] ? show_regs_print_info+0x20/0x20 [ 61.637282][ T10] ? prandom_u32+0x24d/0x290 [ 61.641894][ T10] dump_stack+0x15/0x20 [ 61.646096][ T10] should_fail+0x3ab/0x500 [ 61.650544][ T10] __should_failslab+0xa4/0xe0 [ 61.655341][ T10] should_failslab+0x9/0x20 [ 61.659873][ T10] slab_pre_alloc_hook+0x39/0xd0 [ 61.664833][ T10] ? mempool_alloc_slab+0x1d/0x30 [ 61.669915][ T10] kmem_cache_alloc+0x44/0x260 [ 61.674698][ T10] ? mempool_free+0x330/0x330 [ 61.679392][ T10] mempool_alloc_slab+0x1d/0x30 [ 61.684277][ T10] mempool_alloc+0x167/0x4c0 [ 61.688934][ T10] ? virtqueue_add+0x3541/0x4210 [ 61.693908][ T10] ? mempool_resize+0x880/0x880 [ 61.698786][ T10] sg_pool_alloc+0xb0/0xe0 [ 61.703229][ T10] __sg_alloc_table+0x1c1/0x6d0 [ 61.708118][ T10] sg_alloc_table_chained+0x8b/0x1e0 [ 61.713577][ T10] ? sg_alloc_table_chained+0x1e0/0x1e0 [ 61.719164][ T10] scsi_alloc_sgtables+0x292/0x8a0 [ 61.724398][ T10] ? scsi_io_completion_action+0xce0/0xce0 [ 61.730272][ T10] sd_init_command+0x60e/0x2610 [ 61.735147][ T10] scsi_queue_rq+0x176e/0x31c0 [ 61.739928][ T10] blk_mq_dispatch_rq_list+0xa06/0x1c50 [ 61.745650][ T10] ? blk_mq_get_driver_tag+0x920/0x920 [ 61.751145][ T10] blk_mq_do_dispatch_sched+0xadf/0xc90 [ 61.756726][ T10] ? blk_mq_exit_sched+0x590/0x590 [ 61.761949][ T10] __blk_mq_sched_dispatch_requests+0x32c/0x410 [ 61.768213][ T10] ? blk_mq_sched_dispatch_requests+0x1c0/0x1c0 [ 61.774471][ T10] blk_mq_sched_dispatch_requests+0x102/0x1c0 [ 61.780556][ T10] __blk_mq_run_hw_queue+0xf3/0x170 [ 61.785781][ T10] __blk_mq_delay_run_hw_queue+0x17e/0x420 [ 61.791608][ T10] ? blk_mq_delay_run_hw_queue+0x30/0x30 [ 61.797267][ T10] ? sbitmap_any_bit_set+0x119/0x160 [ 61.802574][ T10] blk_mq_run_hw_queue+0x282/0x3a0 [ 61.807701][ T10] blk_mq_sched_insert_requests+0x1cd/0x340 [ 61.813642][ T10] blk_mq_flush_plug_list+0x4e2/0x6b0 [ 61.819035][ T10] ? blk_mq_insert_requests+0x340/0x340 [ 61.824602][ T10] ? dd_prepare_request+0xd/0x40 [ 61.830341][ T10] blk_flush_plug_list+0x404/0x450 [ 61.835471][ T10] ? blk_check_plugged+0x270/0x270 [ 61.840603][ T10] ? preempt_count_add+0x90/0x1b0 [ 61.845652][ T10] ? blk_account_io_start+0x2b8/0x2f0 [ 61.851040][ T10] blk_mq_submit_bio+0xb23/0x1900 [ 61.856516][ T10] ? ktime_get+0x12f/0x160 [ 61.860952][ T10] ? blk_mq_try_issue_list_directly+0x490/0x490 [ 61.867214][ T10] ? __submit_bio+0x900/0x900 [ 61.872688][ T10] ? blk_try_enter_queue+0x165/0x350 [ 61.878010][ T10] __submit_bio+0x817/0x900 [ 61.882531][ T10] ? trace_raw_output_block_rq_remap+0x260/0x260 [ 61.888884][ T10] ? up_read+0x56/0x1d0 [ 61.893078][ T10] submit_bio_noacct+0x73b/0x800 [ 61.898127][ T10] ? __this_cpu_preempt_check+0x13/0x20 [ 61.903691][ T10] ? __mod_memcg_lruvec_state+0x122/0x1b0 [ 61.909429][ T10] ? blk_put_request+0x20/0x20 [ 61.914207][ T10] ? fscrypt_mergeable_bio+0x1c6/0x670 [ 61.919694][ T10] ? page_mapping+0x210/0x2d0 [ 61.924425][ T10] ? blkcg_set_ioprio+0x1f6/0x320 [ 61.929465][ T10] submit_bio+0x367/0x620 [ 61.933818][ T10] ? submit_bio_noacct+0x800/0x800 [ 61.938967][ T10] ? bio_add_page+0x2c2/0x460 [ 61.943765][ T10] ext4_bio_write_page+0xeff/0x1b40 [ 61.948981][ T10] mpage_submit_page+0x17d/0x220 [ 61.954042][ T10] ext4_writepages+0x19a3/0x30a0 [ 61.959107][ T10] ? ext4_readpage+0x220/0x220 [ 61.963900][ T10] ? __kasan_check_write+0x14/0x20 [ 61.969030][ T10] ? _raw_spin_lock+0x94/0xf0 [ 61.973724][ T10] ? _raw_spin_trylock_bh+0x150/0x150 [ 61.979119][ T10] ? __wb_update_bandwidth+0x853/0x890 [ 61.984600][ T10] ? ext4_readpage+0x220/0x220 [ 61.989381][ T10] do_writepages+0x476/0x6d0 [ 61.994080][ T10] ? __writepage+0x130/0x130 [ 61.999258][ T10] ? __kasan_check_write+0x14/0x20 [ 62.004387][ T10] ? __kasan_check_write+0x14/0x20 [ 62.009517][ T10] ? _raw_spin_lock+0x94/0xf0 [ 62.014302][ T10] __writeback_single_inode+0xd9/0x9e0 [ 62.019780][ T10] ? wbc_attach_and_unlock_inode+0x194/0x5f0 [ 62.026003][ T10] writeback_sb_inodes+0x9f3/0x1610 [ 62.031222][ T10] ? queue_io+0x4b0/0x4b0 [ 62.035566][ T10] ? down_read_trylock+0x317/0x630 [ 62.040697][ T10] __writeback_inodes_wb+0x127/0x400 [ 62.046001][ T10] wb_writeback+0x3ff/0x990 [ 62.050712][ T10] ? inode_cgwb_move_to_attached+0x3b0/0x3b0 [ 62.056715][ T10] ? set_worker_desc+0x1ba/0x1f0 [ 62.061669][ T10] ? __kasan_check_write+0x14/0x20 [ 62.066798][ T10] ? cpumask_next+0x7c/0xa0 [ 62.071321][ T10] wb_workfn+0xa49/0xf30 [ 62.075583][ T10] ? inode_wait_for_writeback+0x220/0x220 [ 62.081673][ T10] ? compat_start_thread+0x20/0x20 [ 62.086800][ T10] ? finish_task_switch+0x16b/0x790 [ 62.092016][ T10] ? switch_mm_irqs_off+0x730/0x960 [ 62.097239][ T10] ? __schedule+0xbd7/0x14a0 [ 62.101846][ T10] process_one_work+0x6c8/0xbb0 [ 62.106746][ T10] worker_thread+0xaa0/0x1250 [ 62.111443][ T10] kthread+0x3f5/0x4f0 [ 62.115534][ T10] ? worker_clr_flags+0x190/0x190 [ 62.120582][ T10] ? kthread_blkcg+0xd0/0xd0 [ 62.125185][ T10] ret_from_fork+0x1f/0x30 [ 62.129630][ T10] [ 62.132665][ C0] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 62.139544][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 62.149613][ C0] Call Trace: [ 62.152950][ C0] [ 62.155806][ C0] __dump_stack+0x21/0x30 [ 62.160148][ C0] dump_stack_lvl+0x110/0x170 [ 62.164840][ C0] ? show_regs_print_info+0x20/0x20 [ 62.170047][ C0] ? prandom_u32+0x24d/0x290 [ 62.174675][ C0] dump_stack+0x15/0x20 [ 62.178841][ C0] should_fail+0x3ab/0x500 [ 62.183279][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 62.188941][ C0] __should_failslab+0xa4/0xe0 [ 62.193742][ C0] should_failslab+0x9/0x20 [ 62.198255][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 62.203208][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 62.208856][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 62.214504][ C0] __kmalloc_track_caller+0x6c/0x2c0 [ 62.219812][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 62.225458][ C0] ? wg_packet_send_keepalive+0x62/0x1c0 [ 62.231103][ C0] __alloc_skb+0x210/0x730 [ 62.235534][ C0] wg_packet_send_keepalive+0x62/0x1c0 [ 62.241046][ C0] ? wg_expired_send_persistent_keepalive+0x44/0x80 [ 62.247651][ C0] wg_expired_send_persistent_keepalive+0x53/0x80 [ 62.254077][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 62.260250][ C0] call_timer_fn+0x38/0x290 [ 62.264793][ C0] ? wg_expired_zero_key_material+0x170/0x170 [ 62.270893][ C0] __run_timers+0x637/0x9a0 [ 62.275438][ C0] ? calc_index+0x200/0x200 [ 62.279958][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 62.284825][ C0] run_timer_softirq+0x6a/0xf0 [ 62.289600][ C0] handle_softirqs+0x250/0x560 [ 62.294390][ C0] ? irqtime_account_irq+0xbe/0x390 [ 62.299692][ C0] __irq_exit_rcu+0x52/0xf0 [ 62.304216][ C0] irq_exit_rcu+0x9/0x10 [ 62.308597][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 62.314272][ C0] [ 62.317233][ C0] [ 62.320178][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 62.326201][ C0] RIP: 0010:preempt_schedule_irq+0xa5/0x120 [ 62.332108][ 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 11 4d 95 fc fb bf 01 00 00 00 76 e4 ff ff fa bf 01 00 00 00 e8 ab 4e 95 fc 65 48 8b 1d 13 f7 [ 62.351989][ C0] RSP: 0018:ffffc90000a677c0 EFLAGS: 00000246 [ 62.358096][ C0] RAX: 1ffff11021bbe3ce RBX: ffffc90000a67898 RCX: ffffffff870cbf00 [ 62.366113][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 62.374095][ C0] RBP: ffffc90000a67848 R08: ffff88810ddf13c7 R09: 1ffff11021bbe278 [ 62.382080][ C0] R10: dffffc0000000000 R11: ffffed1021bbe279 R12: 0000000000000000 [ 62.390069][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200014cef8 [ 62.398144][ C0] ? __cond_resched+0xd0/0xd0 [ 62.402838][ C0] irqentry_exit_cond_resched+0x29/0x30 [ 62.408399][ C0] irqentry_exit+0x37/0x40 [ 62.412831][ C0] sysvec_reschedule_ipi+0x78/0x80 [ 62.417950][ C0] asm_sysvec_reschedule_ipi+0x1b/0x20 [ 62.423421][ C0] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 62.428894][ C0] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 62.448606][ C0] RSP: 0018:ffffc90000a67940 EFLAGS: 00000293 [ 62.454687][ C0] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff88810ddf13c0 [ 62.462668][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 62.468873][ C1] FAULT_INJECTION: forcing a failure. [ 62.468873][ C1] name failslab, interval 1, probability 10, space 0, times 22 [ 62.470652][ C0] RBP: ffffc90000a679d8 R08: 0000000000000003 R09: 0000000000000004 [ 62.491512][ C0] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 62.499499][ C0] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff9200014cf28 [ 62.507769][ C0] ? dump_stack_lvl+0x13b/0x170 [ 62.512643][ C0] ? show_regs_print_info+0x20/0x20 [ 62.517945][ C0] dump_stack+0x15/0x20 [ 62.522199][ C0] should_fail+0x3ab/0x500 [ 62.526630][ C0] __should_failslab+0xa4/0xe0 [ 62.531560][ C0] should_failslab+0x9/0x20 [ 62.536081][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 62.541124][ C0] ? getname_flags+0xba/0x510 [ 62.546135][ C0] kmem_cache_alloc+0x44/0x260 [ 62.551190][ C0] getname_flags+0xba/0x510 [ 62.555719][ C0] user_path_at_empty+0x2f/0x1c0 [ 62.560975][ C0] vfs_statx+0x109/0xa20 [ 62.565424][ C0] ? from_kgid_munged+0x193/0x6e0 [ 62.570474][ C0] ? vfs_fstatat+0x40/0x40 [ 62.575003][ C0] __se_sys_newfstatat+0x10e/0x3d0 [ 62.580434][ C0] ? __x64_sys_newfstatat+0xb0/0xb0 [ 62.585829][ C0] ? __kasan_check_write+0x14/0x20 [ 62.590974][ C0] ? switch_fpu_return+0x15d/0x2c0 [ 62.596200][ C0] __x64_sys_newfstatat+0x9b/0xb0 [ 62.601811][ C0] x64_sys_call+0x2c1/0x9a0 [ 62.606340][ C0] do_syscall_64+0x4c/0xa0 [ 62.610946][ C0] ? clear_bhb_loop+0x50/0xa0 [ 62.615654][ C0] ? clear_bhb_loop+0x50/0xa0 [ 62.620357][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 62.626275][ C0] RIP: 0033:0x7f48232d1b0a [ 62.630716][ 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 [ 62.650588][ C0] RSP: 002b:00007ffc27d67cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 62.659064][ C0] RAX: ffffffffffffffda RBX: 000055a4651a64c3 RCX: 00007f48232d1b0a [ 62.667072][ C0] RDX: 00007ffc27d67cc0 RSI: 000055a4651a64c3 RDI: 00000000ffffff9c [ 62.675075][ C0] RBP: 000055a464f69f90 R08: 00063478c1c69200 R09: 002ca2c48ff87930 [ 62.683154][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc27d67cc0 [ 62.692317][ C0] R13: 000055a44209d100 R14: 0000000000000001 R15: 0000000000000000 [ 62.700654][ C0] [ 62.703686][ C1] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 62.711002][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 62.721282][ C1] Workqueue: events_unbound toggle_allocation_gate [ 62.727810][ C1] Call Trace: [ 62.731126][ C1] [ 62.734013][ C1] __dump_stack+0x21/0x30 [ 62.738360][ C1] dump_stack_lvl+0x110/0x170 [ 62.743225][ C1] ? show_regs_print_info+0x20/0x20 [ 62.748437][ C1] ? prandom_u32+0x24d/0x290 [ 62.753047][ C1] dump_stack+0x15/0x20 [ 62.757216][ C1] should_fail+0x3ab/0x500 [ 62.761650][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 62.766692][ C1] __should_failslab+0xa4/0xe0 [ 62.771477][ C1] should_failslab+0x9/0x20 [ 62.776002][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 62.781050][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 62.786091][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 62.791135][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 62.796437][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 62.801577][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 62.806616][ C1] __alloc_skb+0x210/0x730 [ 62.811400][ C1] __napi_alloc_skb+0x162/0x2e0 [ 62.816268][ C1] page_to_skb+0x274/0xb60 [ 62.820704][ C1] receive_buf+0xcd3/0x4bc0 [ 62.825483][ C1] ? virtnet_poll_tx+0x4e0/0x4e0 [ 62.830442][ C1] ? resched_curr+0xa0/0x320 [ 62.835048][ C1] ? update_load_avg+0x442/0x1110 [ 62.840118][ C1] ? put_prev_entity+0x470/0x470 [ 62.845067][ C1] ? hrtimer_active+0x1ea/0x200 [ 62.849936][ C1] ? virtqueue_get_buf_ctx+0x4a2/0xf60 [ 62.855412][ C1] ? detach_buf_split+0x88d/0xa90 [ 62.860458][ C1] ? virtqueue_get_buf_ctx+0x700/0xf60 [ 62.865935][ C1] virtnet_poll+0x510/0xe90 [ 62.870540][ C1] ? refill_work+0x220/0x220 [ 62.875158][ C1] ? virtqueue_disable_cb+0xe3/0x370 [ 62.880466][ C1] __napi_poll+0xbb/0x580 [ 62.884814][ C1] net_rx_action+0x37f/0x910 [ 62.889416][ C1] ? net_tx_action+0x520/0x520 [ 62.894201][ C1] ? irqtime_account_irq+0x76/0x390 [ 62.899414][ C1] handle_softirqs+0x250/0x560 [ 62.904200][ C1] ? irqtime_account_irq+0xbe/0x390 [ 62.909414][ C1] __irq_exit_rcu+0x52/0xf0 [ 62.913936][ C1] irq_exit_rcu+0x9/0x10 [ 62.918199][ C1] common_interrupt+0xbe/0xe0 [ 62.922898][ C1] [ 62.925934][ C1] [ 62.928876][ C1] asm_common_interrupt+0x27/0x40 [ 62.933925][ C1] RIP: 0010:smp_call_function_many_cond+0x8ad/0x9e0 [ 62.940905][ C1] Code: 0f b6 44 05 00 84 c0 0f 85 9b 00 00 00 41 8b 1f 89 de 83 e6 01 31 ff e8 31 48 0a 00 83 e3 01 75 07 e8 77 44 0a 00 eb 42 f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 75 10 41 f7 [ 62.960527][ C1] RSP: 0018:ffffc90000087860 EFLAGS: 00000293 [ 62.966749][ C1] RAX: ffffffff815f728f RBX: 0000000000000001 RCX: ffff8881002713c0 [ 62.974769][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 62.982841][ C1] RBP: ffffc90000087978 R08: ffff8881f7138e97 R09: 1ffff1103ee271d2 [ 62.990834][ C1] R10: dffffc0000000000 R11: ffffed103ee271d3 R12: ffff8881f7138e80 [ 62.998823][ C1] R13: 1ffff1103ee07af9 R14: 0000000000000000 R15: ffff8881f703d7c8 [ 63.006841][ C1] ? smp_call_function_many_cond+0x8cf/0x9e0 [ 63.013330][ C1] ? text_poke_sync+0x30/0x30 [ 63.018029][ C1] ? smp_call_function_many+0x40/0x40 [ 63.023514][ C1] ? __kmalloc_track_caller+0x74/0x2c0 [ 63.028999][ C1] ? text_poke+0x20/0x20 [ 63.033269][ C1] ? text_poke_loc_init+0x105/0x560 [ 63.033637][ C0] FAULT_INJECTION: forcing a failure. [ 63.033637][ C0] name failslab, interval 1, probability 10, space 0, times 21 [ 63.038494][ C1] ? text_poke_sync+0x30/0x30 [ 63.038515][ C1] on_each_cpu_cond_mask+0x43/0x80 [ 63.061233][ C1] text_poke_bp_batch+0x1d4/0x600 [ 63.066454][ C1] ? text_poke_loc_init+0x560/0x560 [ 63.071677][ C1] ? __kasan_check_write+0x14/0x20 [ 63.076890][ C1] ? mutex_lock+0x9b/0x1c0 [ 63.081320][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 63.087921][ C1] ? text_poke_queue+0xde/0x1a0 [ 63.092791][ C1] text_poke_finish+0x1a/0x30 [ 63.097482][ C1] arch_jump_label_transform_apply+0x15/0x30 [ 63.103498][ C1] __jump_label_update+0x38f/0x3b0 [ 63.108917][ C1] jump_label_update+0x39b/0x450 [ 63.113873][ C1] static_key_enable_cpuslocked+0x126/0x240 [ 63.119786][ C1] static_key_enable+0x1a/0x30 [ 63.124565][ C1] toggle_allocation_gate+0xba/0x440 [ 63.129865][ C1] ? kfence_debugfs_init+0x70/0x70 [ 63.134992][ C1] ? __kasan_check_write+0x14/0x20 [ 63.140125][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 63.145179][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 63.150775][ C1] process_one_work+0x6c8/0xbb0 [ 63.155653][ C1] worker_thread+0xaa0/0x1250 [ 63.160359][ C1] kthread+0x3f5/0x4f0 [ 63.164445][ C1] ? worker_clr_flags+0x190/0x190 [ 63.169616][ C1] ? kthread_blkcg+0xd0/0xd0 [ 63.174234][ C1] ret_from_fork+0x1f/0x30 [ 63.178667][ C1] [ 63.181697][ C0] CPU: 0 PID: 299 Comm: syz-executor Not tainted syzkaller #0 [ 63.181720][ C1] FAULT_INJECTION: forcing a failure. [ 63.181720][ C1] name failslab, interval 1, probability 10, space 0, times 20 [ 63.189184][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 63.189199][ C0] Call Trace: [ 63.189206][ C0] [ 63.218538][ C0] __dump_stack+0x21/0x30 [ 63.222881][ C0] dump_stack_lvl+0x110/0x170 [ 63.227576][ C0] ? show_regs_print_info+0x20/0x20 [ 63.232790][ C0] ? prandom_u32+0x24d/0x290 [ 63.237427][ C0] dump_stack+0x15/0x20 [ 63.241595][ C0] should_fail+0x3ab/0x500 [ 63.246026][ C0] ? __tcp_send_ack+0x9b/0x6c0 [ 63.250809][ C0] __should_failslab+0xa4/0xe0 [ 63.255615][ C0] should_failslab+0x9/0x20 [ 63.260134][ C0] slab_pre_alloc_hook+0x39/0xd0 [ 63.265170][ C0] ? __tcp_send_ack+0x9b/0x6c0 [ 63.269948][ C0] ? __tcp_send_ack+0x9b/0x6c0 [ 63.274728][ C0] __kmalloc_track_caller+0x6c/0x2c0 [ 63.280030][ C0] ? __tcp_send_ack+0x9b/0x6c0 [ 63.284806][ C0] ? __tcp_send_ack+0x9b/0x6c0 [ 63.289584][ C0] __alloc_skb+0x210/0x730 [ 63.294018][ C0] __tcp_send_ack+0x9b/0x6c0 [ 63.298627][ C0] tcp_send_ack+0x3b/0x60 [ 63.302970][ C0] __tcp_ack_snd_check+0x40e/0x900 [ 63.308188][ C0] ? tcp_check_space+0x92/0x960 [ 63.313061][ C0] tcp_rcv_established+0xd17/0x1ad0 [ 63.318304][ C0] ? tcp_check_space+0x960/0x960 [ 63.323267][ C0] ? ipv4_dst_check+0xf2/0x160 [ 63.328076][ C0] tcp_v4_do_rcv+0x591/0x9f0 [ 63.332960][ C0] tcp_v4_rcv+0x221a/0x2880 [ 63.337495][ C0] ? __kasan_check_read+0x11/0x20 [ 63.342546][ C0] ? get_alloc_stack_hash+0x591/0x7b0 [ 63.348049][ C0] ? check_preempt_curr+0x11a/0x190 [ 63.353281][ C0] ? tcp_filter+0x90/0x90 [ 63.357748][ C0] ip_protocol_deliver_rcu+0x360/0x760 [ 63.363248][ C0] ip_local_deliver+0x2dd/0x520 [ 63.368136][ C0] ? ip_protocol_deliver_rcu+0x760/0x760 [ 63.373882][ C0] ? ip_rcv_finish_core+0xb00/0x1450 [ 63.379330][ C0] ip_rcv+0x156/0x280 [ 63.383348][ C0] ? ip_local_deliver_finish+0x230/0x230 [ 63.389016][ C0] ? __kasan_check_write+0x14/0x20 [ 63.394150][ C0] ? ip_local_deliver_finish+0x230/0x230 [ 63.399820][ C0] __netif_receive_skb+0xc8/0x280 [ 63.404873][ C0] process_backlog+0x351/0x600 [ 63.409690][ C0] __napi_poll+0xbb/0x580 [ 63.414170][ C0] net_rx_action+0x37f/0x910 [ 63.418794][ C0] ? net_tx_action+0x520/0x520 [ 63.423578][ C0] ? sched_clock_cpu+0x18/0x3d0 [ 63.428460][ C0] ? irqtime_account_irq+0x76/0x390 [ 63.433743][ C0] handle_softirqs+0x250/0x560 [ 63.438641][ C0] __do_softirq+0xb/0xd [ 63.443007][ C0] do_softirq+0xdc/0x130 [ 63.447288][ C0] [ 63.450349][ C0] [ 63.453397][ C0] ? __local_bh_enable_ip+0x80/0x80 [ 63.459731][ C0] ? ip_finish_output2+0xec0/0xec0 [ 63.465537][ C0] __local_bh_enable_ip+0x75/0x80 [ 63.470633][ C0] local_bh_enable+0x1f/0x30 [ 63.475269][ C0] ip_finish_output2+0xb8d/0xec0 [ 63.480275][ C0] ? ip_fragment+0x220/0x220 [ 63.484904][ C0] ? ip_skb_dst_mtu+0x422/0x630 [ 63.489779][ C0] __ip_finish_output+0x161/0x360 [ 63.494843][ C0] ip_finish_output+0x31/0x220 [ 63.499633][ C0] ? ip_output+0x365/0x390 [ 63.504094][ C0] ip_output+0x1ea/0x390 [ 63.508356][ C0] ? ip_finish_output+0x220/0x220 [ 63.513983][ C0] ? ip_mc_finish_output+0x3f0/0x3f0 [ 63.519493][ C0] ? ipv4_dst_check+0xf2/0x160 [ 63.524275][ C0] ? skb_push+0x8e/0xe0 [ 63.528461][ C0] __ip_queue_xmit+0x10ca/0x1c30 [ 63.533426][ C0] ? __kasan_check_write+0x14/0x20 [ 63.538585][ C0] ip_queue_xmit+0x4d/0x70 [ 63.543027][ C0] __tcp_transmit_skb+0x1e23/0x35f0 [ 63.548449][ C0] ? stack_trace_save+0xf0/0xf0 [ 63.553523][ C0] ? __tcp_send_ack+0x6c0/0x6c0 [ 63.558412][ C0] ? __kasan_kmalloc+0xe6/0x100 [ 63.563291][ C0] ? __kasan_kmalloc+0xd4/0x100 [ 63.568162][ C0] ? __kmalloc_track_caller+0x13c/0x2c0 [ 63.573732][ C0] ? __alloc_skb+0x210/0x730 [ 63.578339][ C0] ? sk_stream_alloc_skb+0x216/0xb70 [ 63.583641][ C0] ? tcp_small_queue_check+0x213/0x430 [ 63.589117][ C0] tcp_write_xmit+0x16f4/0x5f00 [ 63.594081][ C0] __tcp_push_pending_frames+0x99/0x2f0 [ 63.599638][ C0] ? tcp_push+0x3da/0x610 [ 63.603978][ C0] tcp_push+0x461/0x610 [ 63.608141][ C0] tcp_sendmsg_locked+0x2bdd/0x3330 [ 63.613374][ C0] ? tcp_free_fastopen_req+0x80/0x80 [ 63.618677][ C0] tcp_sendmsg+0x2f/0x50 [ 63.622933][ C0] inet_sendmsg+0xa5/0xc0 [ 63.627282][ C0] sock_write_iter+0x2a6/0x3a0 [ 63.632175][ C0] ? sock_read_iter+0x380/0x380 [ 63.637065][ C0] ? memset+0x35/0x40 [ 63.641085][ C0] ? iov_iter_init+0xbc/0x180 [ 63.645785][ C0] vfs_write+0x831/0xfd0 [ 63.650044][ C0] ? _copy_from_user+0x95/0xd0 [ 63.654838][ C0] ? file_end_write+0x1b0/0x1b0 [ 63.659722][ C0] ? __kasan_check_read+0x11/0x20 [ 63.664767][ C0] ? __fdget_pos+0x1f7/0x380 [ 63.669373][ C0] ksys_write+0x14a/0x260 [ 63.673717][ C0] ? __ia32_sys_read+0x90/0x90 [ 63.678512][ C0] ? debug_smp_processor_id+0x17/0x20 [ 63.683901][ C0] __x64_sys_write+0x7b/0x90 [ 63.688507][ C0] x64_sys_call+0x8ef/0x9a0 [ 63.693024][ C0] do_syscall_64+0x4c/0xa0 [ 63.697455][ C0] ? clear_bhb_loop+0x50/0xa0 [ 63.702146][ C0] ? clear_bhb_loop+0x50/0xa0 [ 63.706832][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 63.712734][ C0] RIP: 0033:0x7fee98f43017 [ 63.717189][ C0] Code: 48 89 fa 4c 89 df e8 a8 56 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 [ 63.736809][ C0] RSP: 002b:00007fff27859890 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 63.745235][ C0] RAX: ffffffffffffffda RBX: 000055559513c500 RCX: 00007fee98f43017 [ 63.753232][ C0] RDX: 00000000000000c0 RSI: 00007fee989e9f40 RDI: 0000000000000003 [ 63.761220][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 63.769198][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000000c0 [ 63.777178][ C0] R13: 00005555951508f0 R14: 00007fff27859e70 R15: 00007fee989e9f40 [ 63.785167][ C0] [ 63.788202][ C1] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 63.788960][ T301] FAULT_INJECTION: forcing a failure. [ 63.788960][ T301] name failslab, interval 1, probability 10, space 0, times 19 [ 63.795511][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 63.810999][ T299] FAULT_INJECTION: forcing a failure. [ 63.810999][ T299] name failslab, interval 1, probability 10, space 0, times 19 [ 63.818352][ C1] Workqueue: events_unbound toggle_allocation_gate [ 63.818384][ C1] Call Trace: [ 63.840938][ C1] [ 63.843800][ C1] __dump_stack+0x21/0x30 [ 63.848149][ C1] dump_stack_lvl+0x110/0x170 [ 63.852842][ C1] ? show_regs_print_info+0x20/0x20 [ 63.858055][ C1] ? prandom_u32+0x24d/0x290 [ 63.863619][ C1] dump_stack+0x15/0x20 [ 63.867797][ C1] should_fail+0x3ab/0x500 [ 63.872225][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 63.877269][ C1] __should_failslab+0xa4/0xe0 [ 63.882051][ C1] should_failslab+0x9/0x20 [ 63.886569][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 63.891527][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 63.896565][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 63.901626][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 63.906925][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 63.911970][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 63.917009][ C1] __alloc_skb+0x242/0x730 [ 63.921440][ C1] __napi_alloc_skb+0x162/0x2e0 [ 63.926331][ C1] page_to_skb+0x274/0xb60 [ 63.930885][ C1] receive_buf+0xcd3/0x4bc0 [ 63.935401][ C1] ? virtnet_poll_tx+0x4e0/0x4e0 [ 63.940351][ C1] ? resched_curr+0xa0/0x320 [ 63.944955][ C1] ? update_load_avg+0x442/0x1110 [ 63.949999][ C1] ? put_prev_entity+0x470/0x470 [ 63.954950][ C1] ? hrtimer_active+0x1ea/0x200 [ 63.959815][ C1] ? virtqueue_get_buf_ctx+0x4a2/0xf60 [ 63.965290][ C1] ? detach_buf_split+0x88d/0xa90 [ 63.970333][ C1] ? virtqueue_get_buf_ctx+0x700/0xf60 [ 63.975812][ C1] virtnet_poll+0x510/0xe90 [ 63.980331][ C1] ? refill_work+0x220/0x220 [ 63.984934][ C1] ? virtqueue_disable_cb+0xe3/0x370 [ 63.990240][ C1] __napi_poll+0xbb/0x580 [ 63.994674][ C1] net_rx_action+0x37f/0x910 [ 63.999282][ C1] ? net_tx_action+0x520/0x520 [ 64.004066][ C1] ? irqtime_account_irq+0x76/0x390 [ 64.009283][ C1] handle_softirqs+0x250/0x560 [ 64.014061][ C1] ? irqtime_account_irq+0xbe/0x390 [ 64.019275][ C1] __irq_exit_rcu+0x52/0xf0 [ 64.023793][ C1] irq_exit_rcu+0x9/0x10 [ 64.028058][ C1] common_interrupt+0xbe/0xe0 [ 64.032755][ C1] [ 64.035727][ C1] [ 64.038676][ C1] asm_common_interrupt+0x27/0x40 [ 64.043722][ C1] RIP: 0010:smp_call_function_many_cond+0x8ad/0x9e0 [ 64.050333][ C1] Code: 0f b6 44 05 00 84 c0 0f 85 9b 00 00 00 41 8b 1f 89 de 83 e6 01 31 ff e8 31 48 0a 00 83 e3 01 75 07 e8 77 44 0a 00 eb 42 f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 75 10 41 f7 [ 64.069955][ C1] RSP: 0018:ffffc90000087860 EFLAGS: 00000293 [ 64.076077][ C1] RAX: ffffffff815f728f RBX: 0000000000000001 RCX: ffff8881002713c0 [ 64.084065][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 64.092063][ C1] RBP: ffffc90000087978 R08: ffff8881f7138e97 R09: 1ffff1103ee271d2 [ 64.100053][ C1] R10: dffffc0000000000 R11: ffffed103ee271d3 R12: ffff8881f7138e80 [ 64.108038][ C1] R13: 1ffff1103ee07af9 R14: 0000000000000000 R15: ffff8881f703d7c8 [ 64.116024][ C1] ? smp_call_function_many_cond+0x8cf/0x9e0 [ 64.122059][ C1] ? text_poke_sync+0x30/0x30 [ 64.126763][ C1] ? smp_call_function_many+0x40/0x40 [ 64.132407][ C1] ? __kmalloc_track_caller+0x74/0x2c0 [ 64.137879][ C1] ? text_poke+0x20/0x20 [ 64.142190][ C1] ? text_poke_loc_init+0x105/0x560 [ 64.147405][ C1] ? text_poke_sync+0x30/0x30 [ 64.152098][ C1] on_each_cpu_cond_mask+0x43/0x80 [ 64.157402][ C1] text_poke_bp_batch+0x1d4/0x600 [ 64.162824][ C1] ? text_poke_loc_init+0x560/0x560 [ 64.168764][ C1] ? __kasan_check_write+0x14/0x20 [ 64.174101][ C1] ? mutex_lock+0x9b/0x1c0 [ 64.178552][ C1] ? wait_for_completion_killable_timeout+0x10/0x10 [ 64.185339][ C1] ? text_poke_queue+0xde/0x1a0 [ 64.190225][ C1] text_poke_finish+0x1a/0x30 [ 64.194938][ C1] arch_jump_label_transform_apply+0x15/0x30 [ 64.200942][ C1] __jump_label_update+0x38f/0x3b0 [ 64.206069][ C1] jump_label_update+0x39b/0x450 [ 64.211059][ C1] static_key_enable_cpuslocked+0x126/0x240 [ 64.217101][ C1] static_key_enable+0x1a/0x30 [ 64.221996][ C1] toggle_allocation_gate+0xba/0x440 [ 64.227300][ C1] ? kfence_debugfs_init+0x70/0x70 [ 64.232429][ C1] ? __kasan_check_write+0x14/0x20 [ 64.238533][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 64.243572][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 64.249134][ C1] process_one_work+0x6c8/0xbb0 [ 64.254003][ C1] worker_thread+0xaa0/0x1250 [ 64.258700][ C1] kthread+0x3f5/0x4f0 [ 64.263489][ C1] ? worker_clr_flags+0x190/0x190 [ 64.268732][ C1] ? kthread_blkcg+0xd0/0xd0 [ 64.273641][ C1] ret_from_fork+0x1f/0x30 [ 64.278398][ C1] [ 64.281811][ T301] CPU: 0 PID: 301 Comm: syz-execprog Not tainted syzkaller #0 [ 64.289395][ T301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.299731][ T301] Call Trace: [ 64.303118][ T301] [ 64.306512][ T301] __dump_stack+0x21/0x30 [ 64.311199][ T301] dump_stack_lvl+0x110/0x170 [ 64.315924][ T301] ? show_regs_print_info+0x20/0x20 [ 64.321239][ T301] ? prandom_u32+0x24d/0x290 [ 64.325929][ T301] dump_stack+0x15/0x20 [ 64.330130][ T301] should_fail+0x3ab/0x500 [ 64.334559][ T301] __should_failslab+0xa4/0xe0 [ 64.339353][ T301] should_failslab+0x9/0x20 [ 64.343867][ T301] slab_pre_alloc_hook+0x39/0xd0 [ 64.348829][ T301] ? __alloc_skb+0xe4/0x730 [ 64.353343][ T301] kmem_cache_alloc+0x44/0x260 [ 64.358207][ T301] __alloc_skb+0xe4/0x730 [ 64.362550][ T301] __tcp_send_ack+0x9b/0x6c0 [ 64.367155][ T301] tcp_send_ack+0x3b/0x60 [ 64.371501][ T301] tcp_cleanup_rbuf+0x281/0x5b0 [ 64.376365][ T301] tcp_recvmsg_locked+0x1c95/0x24f0 [ 64.381580][ T301] ? tcp_recvmsg+0x770/0x770 [ 64.386179][ T301] ? avc_has_perm+0x163/0x250 [ 64.390879][ T301] tcp_recvmsg+0x233/0x770 [ 64.395307][ T301] ? tcp_recv_timestamp+0x720/0x720 [ 64.400530][ T301] ? selinux_socket_sendmsg+0x340/0x340 [ 64.406123][ T301] inet6_recvmsg+0x13a/0x470 [ 64.410743][ T301] ? inet6_sendmsg+0xc0/0xc0 [ 64.415361][ T301] ? security_socket_recvmsg+0x87/0xb0 [ 64.420847][ T301] sock_read_iter+0x2c2/0x380 [ 64.425539][ T301] ? fput+0x1a/0x20 [ 64.429362][ T301] ? kernel_sock_ip_overhead+0x290/0x290 [ 64.435013][ T301] ? memset+0x35/0x40 [ 64.439098][ T301] ? iov_iter_init+0xbc/0x180 [ 64.443792][ T301] vfs_read+0x6c0/0xc20 [ 64.447982][ T301] ? kernel_read+0x1f0/0x1f0 [ 64.452580][ T301] ? do_epoll_wait+0x1750/0x1750 [ 64.457532][ T301] ? __fget_files+0x2e1/0x340 [ 64.462219][ T301] ? __fdget_pos+0x1f7/0x380 [ 64.466905][ T301] ? ksys_read+0x70/0x260 [ 64.471245][ T301] ksys_read+0x14a/0x260 [ 64.475499][ T301] ? vfs_write+0xfd0/0xfd0 [ 64.479929][ T301] ? debug_smp_processor_id+0x17/0x20 [ 64.485314][ T301] __x64_sys_read+0x7b/0x90 [ 64.489831][ T301] x64_sys_call+0x96d/0x9a0 [ 64.494341][ T301] do_syscall_64+0x4c/0xa0 [ 64.498781][ T301] ? clear_bhb_loop+0x50/0xa0 [ 64.503468][ T301] ? clear_bhb_loop+0x50/0xa0 [ 64.508159][ T301] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 64.514067][ T301] RIP: 0033:0x40d3ce [ 64.517978][ T301] Code: ff cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 49 89 f2 48 89 fa 48 89 ce 48 89 df 0f 05 <48> 3d 01 f0 ff ff 76 15 48 f7 d8 48 89 c1 48 c7 c0 ff ff ff ff 48 [ 64.537745][ T301] RSP: 002b:0000274265a4f3d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 64.546181][ T301] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000040d3ce [ 64.554175][ T301] RDX: 0000000000980efc RSI: 0000274267900000 RDI: 0000000000000006 [ 64.562163][ T301] RBP: 0000274265a4f418 R08: 0000000000000000 R09: 0000000000000000 [ 64.570152][ T301] R10: 0000000000000000 R11: 0000000000000202 R12: 000027426560bd30 [ 64.578314][ T301] R13: 0000000000000001 R14: 00002742670dc5a0 R15: 0000000000000001 [ 64.586320][ T301] [ 64.589793][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 64.596594][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.606769][ T90] Call Trace: [ 64.610093][ T90] [ 64.613047][ T90] __dump_stack+0x21/0x30 [ 64.617413][ T90] dump_stack_lvl+0x110/0x170 [ 64.622124][ T90] ? show_regs_print_info+0x20/0x20 [ 64.627452][ T90] dump_stack+0x15/0x20 [ 64.631643][ T90] should_fail+0x3ab/0x500 [ 64.636098][ T90] __should_failslab+0xa4/0xe0 [ 64.640921][ T90] should_failslab+0x9/0x20 [ 64.645460][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 64.650433][ T90] ? getname_kernel+0x59/0x2e0 [ 64.655486][ T90] kmem_cache_alloc+0x44/0x260 [ 64.660654][ T90] getname_kernel+0x59/0x2e0 [ 64.665644][ T90] kern_path+0x23/0x1b0 [ 64.670194][ T90] unix_find_other+0xe9/0x830 [ 64.675617][ T90] ? __unix_set_addr+0x3c0/0x3c0 [ 64.680868][ T90] unix_dgram_connect+0x3c9/0xcb0 [ 64.685952][ T90] ? unix_read_sock+0x2d0/0x2d0 [ 64.690839][ T90] __sys_connect+0x3cb/0x450 [ 64.695456][ T90] ? __sys_connect_file+0x170/0x170 [ 64.700690][ T90] ? debug_smp_processor_id+0x17/0x20 [ 64.703275][ T367] FAULT_INJECTION: forcing a failure. [ 64.703275][ T367] name failslab, interval 1, probability 10, space 0, times 17 [ 64.706353][ T90] __x64_sys_connect+0x7a/0x90 [ 64.706375][ T90] x64_sys_call+0x7c/0x9a0 [ 64.729059][ T90] do_syscall_64+0x4c/0xa0 [ 64.733497][ T90] ? clear_bhb_loop+0x50/0xa0 [ 64.738187][ T90] ? clear_bhb_loop+0x50/0xa0 [ 64.742881][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 64.748796][ T90] RIP: 0033:0x7f336e568407 [ 64.753265][ T90] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 64.773721][ T90] RSP: 002b:00007ffe3a5b6bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 64.782191][ T90] RAX: ffffffffffffffda RBX: 00007f336e418c80 RCX: 00007f336e568407 [ 64.790247][ T90] RDX: 000000000000006e RSI: 00007f336e66f560 RDI: 0000000000000003 [ 64.798334][ T90] RBP: 00007f336e66f560 R08: 0000000000000000 R09: 0000000000000000 [ 64.806333][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 64.814322][ T90] R13: 0000000000000069 R14: 0000000000000030 R15: 00007ffe3a5b6d40 [ 64.822315][ T90] [ 64.825372][ T367] CPU: 1 PID: 367 Comm: syz-executor Not tainted syzkaller #0 [ 64.832881][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 64.842962][ T367] Call Trace: [ 64.846259][ T367] [ 64.849222][ T367] __dump_stack+0x21/0x30 [ 64.853587][ T367] dump_stack_lvl+0x110/0x170 [ 64.858278][ T367] ? show_regs_print_info+0x20/0x20 [ 64.863496][ T367] dump_stack+0x15/0x20 [ 64.867691][ T367] should_fail+0x3ab/0x500 [ 64.872142][ T367] __should_failslab+0xa4/0xe0 [ 64.877110][ T367] should_failslab+0x9/0x20 [ 64.881654][ T367] slab_pre_alloc_hook+0x39/0xd0 [ 64.886610][ T367] ? __alloc_skb+0xe4/0x730 [ 64.891129][ T367] kmem_cache_alloc+0x44/0x260 [ 64.895908][ T367] ? fib6_nh_flush_exceptions+0x46a/0x480 [ 64.901821][ T367] __alloc_skb+0xe4/0x730 [ 64.906341][ T367] inet6_rt_notify+0x293/0x480 [ 64.911786][ T367] ? rt6_nh_dump_exceptions+0x6b0/0x6b0 [ 64.917349][ T367] ? call_fib_notifiers+0xa0/0xc0 [ 64.922737][ T367] fib6_del+0xb9e/0xf00 [ 64.927355][ T367] ? fib6_locate+0x520/0x520 [ 64.931976][ T367] ? fib6_ifdown+0x2e8/0x4e0 [ 64.936592][ T367] fib6_clean_node+0x2a1/0x540 [ 64.941408][ T367] ? node_free_rcu+0x30/0x30 [ 64.946104][ T367] fib6_walk_continue+0x54b/0x740 [ 64.951149][ T367] fib6_walk+0x153/0x290 [ 64.955402][ T367] fib6_clean_all+0x1a1/0x270 [ 64.960111][ T367] ? __kasan_check_write+0x14/0x20 [ 64.965244][ T367] ? rt6_sync_down_dev+0x140/0x140 [ 64.970375][ T367] ? fib6_del+0xf00/0xf00 [ 64.974719][ T367] ? node_free_rcu+0x30/0x30 [ 64.979592][ T367] ? rt6_sync_down_dev+0x140/0x140 [ 64.984815][ T367] ? try_to_wake_up+0x610/0x1150 [ 64.989769][ T367] ? __kasan_check_write+0x14/0x20 [ 64.994893][ T367] rt6_disable_ip+0x115/0x730 [ 64.999588][ T367] ? __queue_work+0x903/0xc60 [ 65.004285][ T367] ? fib6_ifdown+0x4e0/0x4e0 [ 65.008895][ T367] ? __kasan_check_read+0x11/0x20 [ 65.013934][ T367] addrconf_ifdown+0x144/0x1910 [ 65.018804][ T367] ? nf_nat_masq_schedule+0x22d/0x4d0 [ 65.024192][ T367] ? addrconf_cleanup+0x1c0/0x1c0 [ 65.029254][ T367] ? __kasan_check_write+0x14/0x20 [ 65.034380][ T367] ? mutex_unlock+0x8f/0x230 [ 65.039088][ T367] ? __mutex_lock_slowpath+0x10/0x10 [ 65.044391][ T367] ? nf_nat_masq_schedule+0x4d0/0x4d0 [ 65.049786][ T367] ? masq_device_event+0xd0/0xd0 [ 65.054740][ T367] addrconf_notify+0x3bd/0xe00 [ 65.059517][ T367] raw_notifier_call_chain+0x90/0x100 [ 65.064905][ T367] dev_close_many+0x325/0x4d0 [ 65.066514][ T90] FAULT_INJECTION: forcing a failure. [ 65.066514][ T90] name failslab, interval 1, probability 10, space 0, times 16 [ 65.069599][ T367] ? __dev_open+0x500/0x500 [ 65.086864][ T367] ? __kasan_check_read+0x11/0x20 [ 65.091912][ T367] unregister_netdevice_many+0x477/0x1a00 [ 65.097655][ T367] ? __queue_work+0x903/0xc60 [ 65.102378][ T367] ? alloc_netdev_mqs+0xe20/0xe20 [ 65.107425][ T367] ? __queue_delayed_work+0x188/0x200 [ 65.112812][ T367] ? __kasan_check_read+0x11/0x20 [ 65.117862][ T367] unregister_netdevice_queue+0x2e1/0x320 [ 65.123604][ T367] ? __kasan_check_read+0x11/0x20 [ 65.128644][ T367] ? linkwatch_urgent_event+0x34d/0x460 [ 65.134200][ T367] ? list_netdevice+0x4c0/0x4c0 [ 65.139414][ T367] __tun_detach+0xc9d/0x1450 [ 65.144221][ T367] tun_chr_close+0x92/0x140 [ 65.148769][ T367] ? tun_chr_open+0x540/0x540 [ 65.153479][ T367] __fput+0x22b/0x900 [ 65.157484][ T367] ____fput+0x15/0x20 [ 65.161493][ T367] task_work_run+0x127/0x190 [ 65.166203][ T367] do_exit+0xb70/0x29a0 [ 65.170471][ T367] ? put_task_struct+0x90/0x90 [ 65.175335][ T367] ? __fdget_pos+0x1f7/0x380 [ 65.179943][ T367] ? ksys_write+0x1eb/0x260 [ 65.184461][ T367] ? __ia32_sys_read+0x90/0x90 [ 65.189234][ T367] do_group_exit+0x149/0x310 [ 65.193843][ T367] __x64_sys_exit_group+0x3f/0x40 [ 65.198904][ T367] x64_sys_call+0x832/0x9a0 [ 65.203426][ T367] do_syscall_64+0x4c/0xa0 [ 65.207889][ T367] ? clear_bhb_loop+0x50/0xa0 [ 65.212587][ T367] ? clear_bhb_loop+0x50/0xa0 [ 65.217277][ T367] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 65.223194][ T367] RIP: 0033:0x7f78c727de99 [ 65.227622][ T367] Code: Unable to access opcode bytes at RIP 0x7f78c727de6f. [ 65.235001][ T367] RSP: 002b:00007ffcb960eb68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 65.243433][ T367] RAX: ffffffffffffffda RBX: 00007f78c731336a RCX: 00007f78c727de99 [ 65.251417][ T367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 65.259406][ T367] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f78c731330a [ 65.267386][ T367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb960fdc0 [ 65.275898][ T367] R13: 00007f78c731330a R14: 00005555805bb4e8 R15: 00007ffcb960fe00 [ 65.283890][ T367] [ 65.286973][ T299] CPU: 0 PID: 299 Comm: syz-executor Not tainted syzkaller #0 [ 65.294743][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 65.304815][ T299] Call Trace: [ 65.308107][ T299] [ 65.311054][ T299] __dump_stack+0x21/0x30 [ 65.315396][ T299] dump_stack_lvl+0x110/0x170 [ 65.320090][ T299] ? show_regs_print_info+0x20/0x20 [ 65.325297][ T299] ? prandom_u32+0x24d/0x290 [ 65.329897][ T299] dump_stack+0x15/0x20 [ 65.334065][ T299] should_fail+0x3ab/0x500 [ 65.338511][ T299] __should_failslab+0xa4/0xe0 [ 65.343289][ T299] should_failslab+0x9/0x20 [ 65.347801][ T299] slab_pre_alloc_hook+0x39/0xd0 [ 65.352751][ T299] ? __alloc_file+0x28/0x2a0 [ 65.358135][ T299] kmem_cache_alloc+0x44/0x260 [ 65.362916][ T299] __alloc_file+0x28/0x2a0 [ 65.367361][ T299] alloc_empty_file+0x97/0x180 [ 65.372135][ T299] alloc_file+0x59/0x580 [ 65.376390][ T299] alloc_file_pseudo+0x180/0x200 [ 65.381337][ T299] ? alloc_empty_file_noaccount+0x80/0x80 [ 65.387177][ T299] ? atime_needs_update+0x810/0x810 [ 65.393108][ T299] ? memset+0x35/0x40 [ 65.397104][ T299] ? create_pipe_files+0x299/0x6c0 [ 65.402224][ T299] ? memcpy+0x56/0x70 [ 65.406217][ T299] create_pipe_files+0x2e3/0x6c0 [ 65.411186][ T299] __do_pipe_flags+0x4f/0x200 [ 65.415873][ T299] do_pipe2+0xa7/0x190 [ 65.419983][ T299] ? release_firmware_map_entry+0x190/0x190 [ 65.425981][ T299] ? pipe_fcntl+0x510/0x510 [ 65.430499][ T299] ? kvm_sched_clock_read+0x18/0x40 [ 65.435710][ T299] ? sched_clock+0x9/0x10 [ 65.440049][ T299] ? __kasan_check_write+0x14/0x20 [ 65.445181][ T299] ? switch_fpu_return+0x15d/0x2c0 [ 65.450309][ T299] __x64_sys_pipe2+0x5a/0x70 [ 65.454911][ T299] x64_sys_call+0x354/0x9a0 [ 65.459430][ T299] do_syscall_64+0x4c/0xa0 [ 65.463859][ T299] ? clear_bhb_loop+0x50/0xa0 [ 65.468551][ T299] ? clear_bhb_loop+0x50/0xa0 [ 65.473238][ T299] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 65.479173][ T299] RIP: 0033:0x7fee98f86ec9 [ 65.483600][ T299] 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 [ 65.503238][ T299] RSP: 002b:00007fff27859938 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 65.511667][ T299] RAX: ffffffffffffffda RBX: 00005555951508f0 RCX: 00007fee98f86ec9 [ 65.519656][ T299] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 00007fff27859948 [ 65.527660][ T299] RBP: 00007fff27859f10 R08: 00007fee991dae20 R09: 0000000000000000 [ 65.535642][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff27859d50 [ 65.543629][ T299] R13: 0000555595153fb8 R14: 0000555595150bf0 R15: 00007fff27859a90 [ 65.551880][ T299] [ 65.555200][ T367] FAULT_INJECTION: forcing a failure. [ 65.555200][ T367] name failslab, interval 1, probability 10, space 0, times 15 [ 65.568001][ T367] CPU: 0 PID: 367 Comm: syz-executor Not tainted syzkaller #0 [ 65.575561][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 65.585637][ T367] Call Trace: [ 65.588930][ T367] [ 65.591870][ T367] __dump_stack+0x21/0x30 [ 65.596229][ T367] dump_stack_lvl+0x110/0x170 [ 65.600946][ T367] ? show_regs_print_info+0x20/0x20 [ 65.606160][ T367] dump_stack+0x15/0x20 [ 65.610336][ T367] should_fail+0x3ab/0x500 [ 65.614891][ T367] __should_failslab+0xa4/0xe0 [ 65.619786][ T367] should_failslab+0x9/0x20 [ 65.624319][ T367] slab_pre_alloc_hook+0x39/0xd0 [ 65.629295][ T367] ? __alloc_skb+0xe4/0x730 [ 65.633862][ T367] kmem_cache_alloc+0x44/0x260 [ 65.638639][ T367] ? fib6_nh_flush_exceptions+0x46a/0x480 [ 65.644371][ T367] __alloc_skb+0xe4/0x730 [ 65.648722][ T367] inet6_rt_notify+0x293/0x480 [ 65.653505][ T367] ? rt6_nh_dump_exceptions+0x6b0/0x6b0 [ 65.659073][ T367] ? call_fib_notifiers+0xa0/0xc0 [ 65.664111][ T367] fib6_del+0xb9e/0xf00 [ 65.668285][ T367] ? fib6_locate+0x520/0x520 [ 65.672941][ T367] ? _raw_spin_unlock+0x4d/0x70 [ 65.677810][ T367] ? fib6_ifdown+0x2e8/0x4e0 [ 65.682434][ T367] fib6_clean_node+0x2a1/0x540 [ 65.687211][ T367] ? node_free_rcu+0x30/0x30 [ 65.691836][ T367] ? __kasan_check_read+0x11/0x20 [ 65.696876][ T367] fib6_walk_continue+0x54b/0x740 [ 65.701931][ T367] fib6_walk+0x153/0x290 [ 65.706187][ T367] fib6_clean_all+0x1a1/0x270 [ 65.710881][ T367] ? __kasan_check_write+0x14/0x20 [ 65.716007][ T367] ? rt6_sync_down_dev+0x140/0x140 [ 65.721138][ T367] ? fib6_del+0xf00/0xf00 [ 65.725489][ T367] ? node_free_rcu+0x30/0x30 [ 65.730100][ T367] ? rt6_sync_down_dev+0x140/0x140 [ 65.735226][ T367] ? try_to_wake_up+0x610/0x1150 [ 65.740190][ T367] ? __kasan_check_write+0x14/0x20 [ 65.745317][ T367] rt6_disable_ip+0x115/0x730 [ 65.750007][ T367] ? __queue_work+0x903/0xc60 [ 65.754699][ T367] ? fib6_ifdown+0x4e0/0x4e0 [ 65.759307][ T367] ? __kasan_check_read+0x11/0x20 [ 65.764341][ T367] addrconf_ifdown+0x144/0x1910 [ 65.769202][ T367] ? nf_nat_masq_schedule+0x22d/0x4d0 [ 65.774594][ T367] ? addrconf_cleanup+0x1c0/0x1c0 [ 65.779630][ T367] ? __kasan_check_write+0x14/0x20 [ 65.784755][ T367] ? mutex_unlock+0x8f/0x230 [ 65.789359][ T367] ? __mutex_lock_slowpath+0x10/0x10 [ 65.794662][ T367] ? nf_nat_masq_schedule+0x4d0/0x4d0 [ 65.800052][ T367] ? masq_device_event+0xd0/0xd0 [ 65.805009][ T367] addrconf_notify+0x3bd/0xe00 [ 65.809786][ T367] raw_notifier_call_chain+0x90/0x100 [ 65.815171][ T367] dev_close_many+0x325/0x4d0 [ 65.819861][ T367] ? __dev_open+0x500/0x500 [ 65.824376][ T367] ? __kasan_check_read+0x11/0x20 [ 65.829416][ T367] unregister_netdevice_many+0x477/0x1a00 [ 65.835155][ T367] ? __queue_work+0x903/0xc60 [ 65.839850][ T367] ? alloc_netdev_mqs+0xe20/0xe20 [ 65.844896][ T367] ? __queue_delayed_work+0x188/0x200 [ 65.850288][ T367] ? __kasan_check_read+0x11/0x20 [ 65.855329][ T367] unregister_netdevice_queue+0x2e1/0x320 [ 65.861072][ T367] ? __kasan_check_read+0x11/0x20 [ 65.866116][ T367] ? linkwatch_urgent_event+0x34d/0x460 [ 65.871685][ T367] ? list_netdevice+0x4c0/0x4c0 [ 65.876588][ T367] __tun_detach+0xc9d/0x1450 [ 65.881199][ T367] tun_chr_close+0x92/0x140 [ 65.885714][ T367] ? tun_chr_open+0x540/0x540 [ 65.890404][ T367] __fput+0x22b/0x900 [ 65.894404][ T367] ____fput+0x15/0x20 [ 65.898400][ T367] task_work_run+0x127/0x190 [ 65.903006][ T367] do_exit+0xb70/0x29a0 [ 65.907390][ T367] ? put_task_struct+0x90/0x90 [ 65.912434][ T367] ? __fdget_pos+0x1f7/0x380 [ 65.917094][ T367] ? ksys_write+0x1eb/0x260 [ 65.921641][ T367] ? __ia32_sys_read+0x90/0x90 [ 65.926421][ T367] do_group_exit+0x149/0x310 [ 65.931026][ T367] __x64_sys_exit_group+0x3f/0x40 [ 65.936061][ T367] x64_sys_call+0x832/0x9a0 [ 65.940607][ T367] do_syscall_64+0x4c/0xa0 [ 65.945035][ T367] ? clear_bhb_loop+0x50/0xa0 [ 65.949724][ T367] ? clear_bhb_loop+0x50/0xa0 [ 65.954513][ T367] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 65.960425][ T367] RIP: 0033:0x7f78c727de99 [ 65.964850][ T367] Code: Unable to access opcode bytes at RIP 0x7f78c727de6f. [ 65.972220][ T367] RSP: 002b:00007ffcb960eb68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 65.980649][ T367] RAX: ffffffffffffffda RBX: 00007f78c731336a RCX: 00007f78c727de99 [ 65.988636][ T367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 65.996621][ T367] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f78c731330a [ 66.004604][ T367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb960fdc0 [ 66.012591][ T367] R13: 00007f78c731330a R14: 00005555805bb4e8 R15: 00007ffcb960fe00 [ 66.020579][ T367] [ 66.024056][ T26] FAULT_INJECTION: forcing a failure. [ 66.024056][ T26] name failslab, interval 1, probability 10, space 0, times 14 [ 66.026518][ T367] FAULT_INJECTION: forcing a failure. [ 66.026518][ T367] name failslab, interval 1, probability 10, space 0, times 14 [ 66.037058][ T90] CPU: 1 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 66.056415][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 66.066584][ T90] Call Trace: [ 66.069886][ T90] [ 66.072834][ T90] __dump_stack+0x21/0x30 [ 66.077192][ T90] dump_stack_lvl+0x110/0x170 [ 66.081883][ T90] ? show_regs_print_info+0x20/0x20 [ 66.087094][ T90] ? prandom_u32+0x24d/0x290 [ 66.091713][ T90] dump_stack+0x15/0x20 [ 66.095889][ T90] should_fail+0x3ab/0x500 [ 66.100369][ T90] __should_failslab+0xa4/0xe0 [ 66.105153][ T90] should_failslab+0x9/0x20 [ 66.109668][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 66.114631][ T90] ? __alloc_skb+0xe4/0x730 [ 66.119161][ T90] kmem_cache_alloc+0x44/0x260 [ 66.123941][ T90] __alloc_skb+0xe4/0x730 [ 66.128291][ T90] alloc_skb_with_frags+0xa8/0x620 [ 66.133423][ T90] ? memcpy+0x56/0x70 [ 66.137428][ T90] sock_alloc_send_pskb+0x87f/0x9a0 [ 66.142649][ T90] ? sock_kzfree_s+0x60/0x60 [ 66.147277][ T90] ? __kasan_check_write+0x14/0x20 [ 66.152410][ T90] ? _raw_spin_lock+0x94/0xf0 [ 66.157103][ T90] ? _raw_spin_trylock_bh+0x150/0x150 [ 66.162495][ T90] unix_dgram_sendmsg+0x6f3/0x19b0 [ 66.167631][ T90] ? unix_dgram_poll+0x6c0/0x6c0 [ 66.172593][ T90] ? path_put+0x57/0x60 [ 66.176771][ T90] ? security_socket_sendmsg+0x82/0xa0 [ 66.182243][ T90] __sys_sendto+0x46d/0x620 [ 66.186790][ T90] ? __ia32_sys_getpeername+0x90/0x90 [ 66.192180][ T90] __x64_sys_sendto+0xe5/0x100 [ 66.196962][ T90] x64_sys_call+0x178/0x9a0 [ 66.201478][ T90] do_syscall_64+0x4c/0xa0 [ 66.205909][ T90] ? clear_bhb_loop+0x50/0xa0 [ 66.210605][ T90] ? clear_bhb_loop+0x50/0xa0 [ 66.215291][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 66.221198][ T90] RIP: 0033:0x7f336e568407 [ 66.225633][ T90] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 66.245257][ T90] RSP: 002b:00007ffe3a5b6c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 66.253688][ T90] RAX: ffffffffffffffda RBX: 00007f336e418c80 RCX: 00007f336e568407 [ 66.261688][ T90] RDX: 000000000000004e RSI: 00007ffe3a5b6d40 RDI: 0000000000000003 [ 66.269743][ T90] RBP: 00007ffe3a5b7170 R08: 0000000000000000 R09: 0000000000000000 [ 66.275996][ T101] FAULT_INJECTION: forcing a failure. [ 66.275996][ T101] name failslab, interval 1, probability 10, space 0, times 13 [ 66.277733][ T90] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe3a5b7188 [ 66.298485][ T90] R13: 00007ffe3a5b6d40 R14: 0000000000000033 R15: 00007ffe3a5b6d40 [ 66.306484][ T90] [ 66.309521][ T101] CPU: 0 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 66.316393][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 66.326469][ T101] Call Trace: [ 66.329768][ T101] [ 66.332712][ T101] __dump_stack+0x21/0x30 [ 66.337064][ T101] dump_stack_lvl+0x110/0x170 [ 66.341768][ T101] ? show_regs_print_info+0x20/0x20 [ 66.347004][ T101] dump_stack+0x15/0x20 [ 66.351257][ T101] should_fail+0x3ab/0x500 [ 66.355696][ T101] __should_failslab+0xa4/0xe0 SYZFAIL: pipe failed [ 66.361275][ T101] should_failslab+0x9/0x20 [ 66.366122][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 66.371109][ T101] ? getname_flags+0xba/0x510 [ 66.375799][ T101] kmem_cache_alloc+0x44/0x260 [ 66.380579][ T101] getname_flags+0xba/0x510 [ 66.385244][ T101] getname+0x19/0x20 [ 66.387008][ T292] FAULT_INJECTION: forcing a failure. [ 66.387008][ T292] name failslab, interval 1, probability 10, space 0, times 12 [ 66.389172][ T101] do_sys_openat2+0xeb/0x7f0 [ 66.406732][ T101] ? blkcg_maybe_throttle_current+0x1e0/0xa00 [ 66.412835][ T101] ? __fput+0x67c/0x900 [ 66.417023][ T101] ? do_sys_open+0xe0/0xe0 [ 66.421458][ T101] ? __blkcg_punt_bio_submit+0x170/0x170 [ 66.427117][ T101] ? ____fput+0x15/0x20 [ 66.431287][ T101] __x64_sys_openat+0x136/0x160 [ 66.436150][ T101] x64_sys_call+0x219/0x9a0 [ 66.440676][ T101] do_syscall_64+0x4c/0xa0 [ 66.445104][ T101] ? clear_bhb_loop+0x50/0xa0 [ 66.449794][ T101] ? clear_bhb_loop+0x50/0xa0 [ 66.454922][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 66.461440][ T101] RIP: 0033:0x7f4823267407 [ 66.465891][ T101] 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 [ 66.487522][ T101] RSP: 002b:00007ffc27d67bf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 66.496836][ T101] RAX: ffffffffffffffda RBX: 00007f4823179880 RCX: 00007f4823267407 [ 66.505366][ T101] RDX: 0000000000080000 RSI: 000055a4651a1c00 RDI: ffffffffffffff9c [ 66.514009][ T101] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 66.524066][ T101] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a4420827f5 [ 66.532347][ T101] R13: 000055a4420827f5 R14: 0000000000000001 R15: 0000000000000000 [ 66.541094][ T101] [ 66.544141][ T26] CPU: 1 PID: 26 Comm: kworker/1:0 Not tainted syzkaller #0 [ 66.551542][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 66.561642][ T26] Workqueue: 0x0 (events) [ 66.566101][ T26] Call Trace: [ 66.569387][ T26] [ 66.572334][ T26] __dump_stack+0x21/0x30 [ 66.576819][ T26] dump_stack_lvl+0x110/0x170 [ 66.581611][ T26] ? show_regs_print_info+0x20/0x20 [ 66.586945][ T26] ? prandom_u32+0x24d/0x290 [ 66.591565][ T26] dump_stack+0x15/0x20 [ 66.595730][ T26] should_fail+0x3ab/0x500 [ 66.600164][ T26] __should_failslab+0xa4/0xe0 [ 66.604946][ T26] should_failslab+0x9/0x20 [ 66.609465][ T26] slab_pre_alloc_hook+0x39/0xd0 [ 66.614417][ T26] kmem_cache_alloc_trace+0x48/0x270 [ 66.619715][ T26] ? __kthread_create_on_node+0x148/0x570 [ 66.625449][ T26] ? worker_clr_flags+0x190/0x190 [ 66.630485][ T26] __kthread_create_on_node+0x148/0x570 [ 66.636047][ T26] ? widen_string+0x42/0x360 [ 66.640662][ T26] ? kthread_create_on_node+0x140/0x140 [ 66.646241][ T26] ? vsnprintf+0x189d/0x1990 [ 66.650857][ T26] ? worker_clr_flags+0x190/0x190 [ 66.655904][ T26] ? worker_clr_flags+0x190/0x190 [ 66.660941][ T26] kthread_create_on_node+0xe8/0x140 [ 66.666325][ T26] ? tsk_fork_get_node+0x10/0x10 [ 66.671276][ T26] ? create_worker+0xee/0x780 [ 66.675963][ T26] create_worker+0x36f/0x780 [ 66.680562][ T26] ? workqueue_prepare_cpu+0x170/0x170 [ 66.686037][ T26] worker_thread+0x4c0/0x1250 [ 66.690734][ T26] kthread+0x3f5/0x4f0 [ 66.694818][ T26] ? worker_clr_flags+0x190/0x190 [ 66.699889][ T26] ? kthread_blkcg+0xd0/0xd0 [ 66.704500][ T26] ret_from_fork+0x1f/0x30 [ 66.708929][ T26] [ 66.712154][ C1] FAULT_INJECTION: forcing a failure. [ 66.712154][ C1] name failslab, interval 1, probability 10, space 0, times 11 [ 66.712356][ T90] FAULT_INJECTION: forcing a failure. [ 66.712356][ T90] name failslab, interval 1, probability 10, space 0, times 11 [ 66.724957][ C1] CPU: 1 PID: 26 Comm: kworker/1:0 Not tainted syzkaller #0 [ 66.745094][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 66.755164][ C1] Workqueue: 0x0 (events) [ 66.759604][ C1] Call Trace: [ 66.762893][ C1] [ 66.765749][ C1] __dump_stack+0x21/0x30 [ 66.770092][ C1] dump_stack_lvl+0x110/0x170 [ 66.774774][ C1] ? show_regs_print_info+0x20/0x20 [ 66.779979][ C1] ? prandom_u32+0x24d/0x290 [ 66.784582][ C1] dump_stack+0x15/0x20 [ 66.788752][ C1] should_fail+0x3ab/0x500 [ 66.793575][ C1] __should_failslab+0xa4/0xe0 [ 66.799309][ C1] should_failslab+0x9/0x20 [ 66.803870][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 66.808848][ C1] kmem_cache_alloc_trace+0x48/0x270 [ 66.814185][ C1] ? dst_cow_metrics_generic+0x55/0x1c0 [ 66.819751][ C1] dst_cow_metrics_generic+0x55/0x1c0 [ 66.825142][ C1] icmp6_dst_alloc+0x35f/0x520 [ 66.829927][ C1] ndisc_send_skb+0x2a9/0xcf0 [ 66.834620][ C1] ? ndisc_alloc_skb+0x290/0x290 [ 66.839816][ C1] ndisc_send_rs+0x711/0x960 [ 66.844472][ C1] addrconf_rs_timer+0x35a/0x600 [ 66.849444][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 66.855528][ C1] ? _raw_spin_lock_irq+0x95/0xf0 [ 66.860563][ C1] ? _raw_spin_lock_irqsave+0x130/0x130 [ 66.866123][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 66.872517][ C1] call_timer_fn+0x38/0x290 [ 66.877059][ C1] ? addrconf_disable_policy_idev+0x360/0x360 [ 66.883241][ C1] __run_timers+0x637/0x9a0 [ 66.887799][ C1] ? calc_index+0x200/0x200 [ 66.892320][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 66.897189][ C1] run_timer_softirq+0x6a/0xf0 [ 66.901971][ C1] handle_softirqs+0x250/0x560 [ 66.907188][ C1] __irq_exit_rcu+0x52/0xf0 [ 66.911757][ C1] irq_exit_rcu+0x9/0x10 [ 66.916189][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 66.922025][ C1] [ 66.924967][ C1] [ 66.927912][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 66.934018][ C1] RIP: 0010:dump_stack_lvl+0x144/0x170 [ 66.939614][ C1] Code: e6 00 02 00 00 31 ff e8 3a 97 be fc 49 81 e5 00 02 00 00 75 07 e8 ec 92 be fc eb 06 e8 e5 92 be fc fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 66.959430][ C1] RSP: 0018:ffffc900001b78c0 EFLAGS: 00000293 [ 66.965525][ C1] RAX: ffffffff84ab23fb RBX: ffffffff8564bda0 RCX: ffff888100310000 [ 66.973519][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 66.981505][ C1] RBP: ffffc900001b7960 R08: 0000000000000003 R09: 0000000000000004 [ 66.989492][ C1] R10: dffffc0000000000 R11: fffffbfff0ce23f0 R12: dffffc0000000000 [ 66.997479][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000036f18 [ 67.005463][ C1] ? dump_stack_lvl+0x13b/0x170 [ 67.010330][ C1] ? show_regs_print_info+0x20/0x20 [ 67.015825][ C1] ? prandom_u32+0x24d/0x290 [ 67.020426][ C1] dump_stack+0x15/0x20 [ 67.024591][ C1] should_fail+0x3ab/0x500 [ 67.029016][ C1] __should_failslab+0xa4/0xe0 [ 67.033821][ C1] should_failslab+0x9/0x20 [ 67.038333][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 67.043286][ C1] kmem_cache_alloc_trace+0x48/0x270 [ 67.048584][ C1] ? __kthread_create_on_node+0x148/0x570 [ 67.054315][ C1] ? worker_clr_flags+0x190/0x190 [ 67.060012][ C1] __kthread_create_on_node+0x148/0x570 [ 67.065959][ C1] ? widen_string+0x42/0x360 [ 67.070613][ C1] ? kthread_create_on_node+0x140/0x140 [ 67.076922][ C1] ? vsnprintf+0x189d/0x1990 [ 67.081587][ C1] ? worker_clr_flags+0x190/0x190 [ 67.091904][ C1] ? worker_clr_flags+0x190/0x190 [ 67.099138][ C1] kthread_create_on_node+0xe8/0x140 [ 67.107823][ C1] ? tsk_fork_get_node+0x10/0x10 [ 67.113767][ C1] ? create_worker+0xee/0x780 [ 67.119464][ C1] create_worker+0x36f/0x780 [ 67.125177][ C1] ? workqueue_prepare_cpu+0x170/0x170 [ 67.133052][ C1] worker_thread+0x4c0/0x1250 [ 67.137803][ C1] kthread+0x3f5/0x4f0 [ 67.141907][ C1] ? worker_clr_flags+0x190/0x190 [ 67.146942][ C1] ? kthread_blkcg+0xd0/0xd0 [ 67.151720][ C1] ret_from_fork+0x1f/0x30 [ 67.158224][ C1] [ 67.162432][ T314] FAULT_INJECTION: forcing a failure. [ 67.162432][ T314] name failslab, interval 1, probability 10, space 0, times 10 [ 67.162906][ T292] CPU: 1 PID: 292 Comm: sshd-session Not tainted syzkaller #0 [ 67.183451][ T292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 67.193535][ T292] Call Trace: [ 67.196845][ T292] [ 67.199827][ T292] __dump_stack+0x21/0x30 [ 67.204177][ T292] dump_stack_lvl+0x110/0x170 [ 67.208864][ T292] ? show_regs_print_info+0x20/0x20 [ 67.214078][ T292] ? prandom_u32+0x24d/0x290 [ 67.218688][ T292] dump_stack+0x15/0x20 [ 67.222857][ T292] should_fail+0x3ab/0x500 [ 67.227296][ T292] __should_failslab+0xa4/0xe0 [ 67.232076][ T292] should_failslab+0x9/0x20 [ 67.236600][ T292] slab_pre_alloc_hook+0x39/0xd0 [ 67.241563][ T292] ? __alloc_skb+0xe4/0x730 [ 67.241650][ T64] FAULT_INJECTION: forcing a failure. [ 67.241650][ T64] name failslab, interval 1, probability 10, space 0, times 10 [ 67.246086][ T292] kmem_cache_alloc+0x44/0x260 [ 67.246110][ T292] __alloc_skb+0xe4/0x730 [ 67.268251][ T292] sk_stream_alloc_skb+0x216/0xb70 [ 67.273472][ T292] tcp_sendmsg_locked+0xcbb/0x3330 [ 67.278611][ T292] ? _raw_spin_lock_irq+0xf0/0xf0 [ 67.280399][ T54] FAULT_INJECTION: forcing a failure. [ 67.280399][ T54] name failslab, interval 1, probability 10, space 0, times 10 [ 67.284281][ T292] ? lock_sock_nested+0x217/0x2a0 [ 67.302243][ T292] ? tcp_free_fastopen_req+0x80/0x80 [ 67.307564][ T292] tcp_sendmsg+0x2f/0x50 [ 67.311825][ T292] inet_sendmsg+0xa5/0xc0 [ 67.316172][ T292] sock_write_iter+0x2a6/0x3a0 [ 67.321210][ T292] ? sock_read_iter+0x380/0x380 [ 67.326605][ T292] ? memset+0x35/0x40 [ 67.330818][ T292] ? iov_iter_init+0xbc/0x180 [ 67.335888][ T292] vfs_write+0x831/0xfd0 [ 67.340358][ T292] ? file_end_write+0x1b0/0x1b0 [ 67.345418][ T292] ? _raw_spin_unlock_irq+0x4e/0x70 [ 67.350657][ T292] ? __kasan_check_read+0x11/0x20 [ 67.355712][ T292] ? __fdget_pos+0x1f7/0x380 [ 67.360337][ T292] ksys_write+0x14a/0x260 [ 67.364780][ T292] ? __ia32_sys_read+0x90/0x90 [ 67.369575][ T292] ? debug_smp_processor_id+0x17/0x20 [ 67.374969][ T292] __x64_sys_write+0x7b/0x90 [ 67.379577][ T292] x64_sys_call+0x8ef/0x9a0 [ 67.384100][ T292] do_syscall_64+0x4c/0xa0 [ 67.388554][ T292] ? clear_bhb_loop+0x50/0xa0 [ 67.393244][ T292] ? clear_bhb_loop+0x50/0xa0 [ 67.397941][ T292] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.403852][ T292] RIP: 0033:0x7ff369bb6407 [ 67.408409][ T292] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 67.429251][ T292] RSP: 002b:00007fffc5ac88e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 67.438550][ T292] RAX: ffffffffffffffda RBX: 00007ff369ac2300 RCX: 00007ff369bb6407 [ 67.446542][ T292] RDX: 000000000000004c RSI: 0000555b573ad130 RDI: 0000000000000004 [ 67.454528][ T292] RBP: 0000555b573b0c60 R08: 0000000000000000 R09: 0000000000000000 [ 67.462975][ T292] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 67.471225][ T292] R13: 00007fffc5ac8a30 R14: 0000000000000000 R15: 0000000000000004 [ 67.479482][ T292] [ 67.482725][ T54] CPU: 0 PID: 54 Comm: kworker/0:1H Not tainted syzkaller #0 [ 67.490299][ T54] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 67.496162][ T101] FAULT_INJECTION: forcing a failure. [ 67.496162][ T101] name failslab, interval 1, probability 10, space 0, times 8 [ 67.501012][ T54] Workqueue: kblockd blk_mq_run_work_fn [ 67.520467][ T54] Call Trace: [ 67.523761][ T54] [ 67.526707][ T54] __dump_stack+0x21/0x30 [ 67.531061][ T54] dump_stack_lvl+0x110/0x170 [ 67.536368][ T54] ? show_regs_print_info+0x20/0x20 [ 67.541673][ T54] ? prandom_u32+0x24d/0x290 [ 67.546282][ T54] dump_stack+0x15/0x20 [ 67.550457][ T54] should_fail+0x3ab/0x500 [ 67.554891][ T54] __should_failslab+0xa4/0xe0 [ 67.559670][ T54] should_failslab+0x9/0x20 [ 67.564192][ T54] slab_pre_alloc_hook+0x39/0xd0 (errno 12: Cannot allocate memory) [ 67.569154][ T54] ? mempool_alloc_slab+0x1d/0x30 [ 67.574198][ T54] kmem_cache_alloc+0x44/0x260 [ 67.578975][ T54] ? mempool_free+0x330/0x330 [ 67.583675][ T54] mempool_alloc_slab+0x1d/0x30 [ 67.588549][ T54] mempool_alloc+0x167/0x4c0 [ 67.593163][ T54] ? mempool_resize+0x880/0x880 [ 67.602902][ T54] ? vp_notify+0x5a/0x80 [ 67.607190][ T54] sg_pool_alloc+0xb0/0xe0 [ 67.611630][ T54] __sg_alloc_table+0x1c1/0x6d0 [ 67.616499][ T54] sg_alloc_table_chained+0x8b/0x1e0 [ 67.621796][ T54] ? sg_alloc_table_chained+0x1e0/0x1e0 [ 67.627362][ T54] scsi_alloc_sgtables+0x292/0x8a0 [ 67.632492][ T54] ? scsi_io_completion_action+0xce0/0xce0 [ 67.638319][ T54] ? memcpy+0x56/0x70 [ 67.642319][ T54] sd_init_command+0x60e/0x2610 [ 67.647187][ T54] scsi_queue_rq+0x176e/0x31c0 [ 67.651969][ T54] blk_mq_dispatch_rq_list+0xa06/0x1c50 [ 67.657544][ T54] ? blk_mq_get_driver_tag+0x920/0x920 [ 67.663138][ T54] blk_mq_do_dispatch_sched+0xadf/0xc90 [ 67.668717][ T54] ? blk_mq_exit_sched+0x590/0x590 [ 67.673888][ T54] ? __switch_to+0x56c/0x1070 [ 67.678591][ T54] __blk_mq_sched_dispatch_requests+0x32c/0x410 [ 67.684888][ T54] ? compat_start_thread+0x20/0x20 [ 67.690038][ T54] ? blk_mq_sched_dispatch_requests+0x1c0/0x1c0 [ 67.696324][ T54] blk_mq_sched_dispatch_requests+0x102/0x1c0 [ 67.702410][ T54] __blk_mq_run_hw_queue+0xf3/0x170 [ 67.707630][ T54] blk_mq_run_work_fn+0x6d/0xc0 [ 67.712493][ T54] process_one_work+0x6c8/0xbb0 [ 67.717365][ T54] worker_thread+0xaa0/0x1250 [ 67.722062][ T54] ? __kasan_check_read+0x11/0x20 [ 67.727103][ T54] kthread+0x3f5/0x4f0 [ 67.731197][ T54] ? worker_clr_flags+0x190/0x190 [ 67.736258][ T54] ? kthread_blkcg+0xd0/0xd0 [ 67.740868][ T54] ret_from_fork+0x1f/0x30 [ 67.745303][ T54] [ 67.748332][ T314] CPU: 1 PID: 314 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 67.755821][ T314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 67.765896][ T314] Workqueue: 0x0 (events_unbound) [ 67.771050][ T314] Call Trace: [ 67.774361][ T314] [ 67.777352][ T314] __dump_stack+0x21/0x30 [ 67.781701][ T314] dump_stack_lvl+0x110/0x170 [ 67.786390][ T314] ? show_regs_print_info+0x20/0x20 [ 67.791609][ T314] ? prandom_u32+0x24d/0x290 [ 67.796216][ T314] dump_stack+0x15/0x20 [ 67.800396][ T314] should_fail+0x3ab/0x500 [ 67.805005][ T314] __should_failslab+0xa4/0xe0 [ 67.810131][ T314] should_failslab+0x9/0x20 [ 67.814646][ T314] slab_pre_alloc_hook+0x39/0xd0 [ 67.819600][ T314] kmem_cache_alloc_trace+0x48/0x270 [ 67.824903][ T314] ? __kthread_create_on_node+0x148/0x570 [ 67.830660][ T314] ? worker_clr_flags+0x190/0x190 [ 67.835802][ T314] __kthread_create_on_node+0x148/0x570 [ 67.841555][ T314] ? pointer+0xc60/0xc60 [ 67.845817][ T314] ? kthread_create_on_node+0x140/0x140 [ 67.851383][ T314] ? vsnprintf+0x189d/0x1990 [ 67.855988][ T314] ? worker_clr_flags+0x190/0x190 [ 67.861215][ T314] ? worker_clr_flags+0x190/0x190 [ 67.866555][ T314] kthread_create_on_node+0xe8/0x140 [ 67.872118][ T314] ? tsk_fork_get_node+0x10/0x10 [ 67.877091][ T314] ? create_worker+0xee/0x780 [ 67.881804][ T314] create_worker+0x36f/0x780 [ 67.886431][ T314] ? workqueue_prepare_cpu+0x170/0x170 [ 67.891913][ T314] worker_thread+0x4c0/0x1250 [ 67.896698][ T314] kthread+0x3f5/0x4f0 [ 67.900974][ T314] ? worker_clr_flags+0x190/0x190 [ 67.906023][ T314] ? kthread_blkcg+0xd0/0xd0 [ 67.910691][ T314] ret_from_fork+0x1f/0x30 [ 67.915159][ T314] [ 67.918195][ T367] CPU: 0 PID: 367 Comm: syz-executor Not tainted syzkaller #0 [ 67.926039][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 67.936224][ T367] Call Trace: [ 67.939532][ T367] [ 67.942567][ T367] __dump_stack+0x21/0x30 [ 67.946916][ T367] dump_stack_lvl+0x110/0x170 [ 67.951611][ T367] ? show_regs_print_info+0x20/0x20 [ 67.956824][ T367] ? prandom_u32+0x24d/0x290 [ 67.961426][ T367] dump_stack+0x15/0x20 [ 67.965592][ T367] should_fail+0x3ab/0x500 [ 67.970024][ T367] __should_failslab+0xa4/0xe0 [ 67.974808][ T367] should_failslab+0x9/0x20 [ 67.979329][ T367] slab_pre_alloc_hook+0x39/0xd0 [ 67.984280][ T367] kmem_cache_alloc_trace+0x48/0x270 [ 67.989578][ T367] ? igmp6_group_dropped+0x3a6/0xb30 [ 67.994880][ T367] igmp6_group_dropped+0x3a6/0xb30 [ 68.000135][ T367] ? __ipv6_dev_mc_inc+0x9a0/0x9a0 [ 68.005259][ T367] ? mutex_lock+0x9b/0x1c0 [ 68.009703][ T367] ? __kasan_check_read+0x11/0x20 [ 68.016086][ T367] __ipv6_dev_mc_dec+0x21a/0x460 [ 68.021062][ T367] __ipv6_ifa_notify+0x758/0xe70 [ 68.026053][ T367] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0 [ 68.031795][ T367] ? __neigh_ifdown+0x38d/0x3a0 [ 68.036671][ T367] ? __kasan_check_write+0x14/0x20 [ 68.041905][ T367] ? try_to_grab_pending+0x1a4/0x580 [ 68.047230][ T367] ? mod_delayed_work_on+0xe0/0xe0 [ 68.052809][ T367] ? __kasan_check_write+0x14/0x20 [ 68.058130][ T367] ? _raw_spin_lock_bh+0x94/0xf0 [ 68.063090][ T367] ? _raw_spin_lock_irq+0xf0/0xf0 [ 68.068311][ T367] ? __kasan_check_write+0x14/0x20 [ 68.074824][ T367] addrconf_ifdown+0xdb1/0x1910 [ 68.080135][ T367] ? addrconf_cleanup+0x1c0/0x1c0 [ 68.085711][ T367] ? __kasan_check_write+0x14/0x20 [ 68.090855][ T367] ? mutex_unlock+0x8f/0x230 [ 68.095481][ T367] ? __mutex_lock_slowpath+0x10/0x10 [ 68.100794][ T367] ? nf_nat_masq_schedule+0x4d0/0x4d0 [ 68.106213][ T367] ? masq_device_event+0xd0/0xd0 [ 68.111785][ T367] addrconf_notify+0x3bd/0xe00 [ 68.117100][ T367] raw_notifier_call_chain+0x90/0x100 [ 68.122853][ T367] dev_close_many+0x325/0x4d0 [ 68.127980][ T367] ? __dev_open+0x500/0x500 [ 68.133379][ T367] ? __kasan_check_read+0x11/0x20 [ 68.138434][ T367] unregister_netdevice_many+0x477/0x1a00 [ 68.144378][ T367] ? __queue_work+0x903/0xc60 [ 68.149082][ T367] ? alloc_netdev_mqs+0xe20/0xe20 [ 68.154217][ T367] ? __queue_delayed_work+0x188/0x200 [ 68.159733][ T367] ? __kasan_check_read+0x11/0x20 [ 68.164961][ T367] unregister_netdevice_queue+0x2e1/0x320 [ 68.170804][ T367] ? __kasan_check_read+0x11/0x20 [ 68.175846][ T367] ? linkwatch_urgent_event+0x34d/0x460 [ 68.181924][ T367] ? list_netdevice+0x4c0/0x4c0 [ 68.187423][ T367] __tun_detach+0xc9d/0x1450 [ 68.192031][ T367] tun_chr_close+0x92/0x140 [ 68.196733][ T367] ? tun_chr_open+0x540/0x540 [ 68.201424][ T367] __fput+0x22b/0x900 [ 68.205437][ T367] ____fput+0x15/0x20 [ 68.209519][ T367] task_work_run+0x127/0x190 [ 68.214122][ T367] do_exit+0xb70/0x29a0 [ 68.218297][ T367] ? put_task_struct+0x90/0x90 [ 68.223100][ T367] ? __fdget_pos+0x1f7/0x380 [ 68.227707][ T367] ? ksys_write+0x1eb/0x260 [ 68.232321][ T367] ? __ia32_sys_read+0x90/0x90 [ 68.237105][ T367] do_group_exit+0x149/0x310 [ 68.241714][ T367] __x64_sys_exit_group+0x3f/0x40 [ 68.246755][ T367] x64_sys_call+0x832/0x9a0 [ 68.251274][ T367] do_syscall_64+0x4c/0xa0 [ 68.255704][ T367] ? clear_bhb_loop+0x50/0xa0 [ 68.260398][ T367] ? clear_bhb_loop+0x50/0xa0 [ 68.265090][ T367] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.271000][ T367] RIP: 0033:0x7f78c727de99 [ 68.275534][ T367] Code: Unable to access opcode bytes at RIP 0x7f78c727de6f. [ 68.282941][ T367] RSP: 002b:00007ffcb960eb68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 68.291408][ T367] RAX: ffffffffffffffda RBX: 00007f78c731336a RCX: 00007f78c727de99 [ 68.299401][ T367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 68.307472][ T367] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f78c731330a [ 68.315455][ T367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb960fdc0 [ 68.323744][ T367] R13: 00007f78c731330a R14: 00005555805bb4e8 R15: 00007ffcb960fe00 [ 68.331756][ T367] [ 68.334798][ T101] CPU: 1 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 68.341682][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 68.351758][ T101] Call Trace: [ 68.355056][ T101] [ 68.357999][ T101] __dump_stack+0x21/0x30 [ 68.362401][ T101] dump_stack_lvl+0x110/0x170 [ 68.367634][ T101] ? show_regs_print_info+0x20/0x20 [ 68.372946][ T101] dump_stack+0x15/0x20 [ 68.377111][ T101] should_fail+0x3ab/0x500 [ 68.381539][ T101] __should_failslab+0xa4/0xe0 [ 68.386315][ T101] should_failslab+0x9/0x20 [ 68.390841][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 68.395830][ T101] ? getname_flags+0xba/0x510 [ 68.400540][ T101] kmem_cache_alloc+0x44/0x260 [ 68.405321][ T101] getname_flags+0xba/0x510 [ 68.409835][ T101] user_path_at_empty+0x2f/0x1c0 [ 68.414871][ T101] vfs_statx+0x109/0xa20 [ 68.419129][ T101] ? vfs_fstatat+0x40/0x40 [ 68.423564][ T101] __se_sys_newfstatat+0x10e/0x3d0 [ 68.428711][ T101] ? __x64_sys_newfstatat+0xb0/0xb0 [ 68.433926][ T101] ? rcu_gp_kthread_wake+0x90/0x90 [ 68.439055][ T101] ? kmem_cache_free+0x100/0x320 [ 68.444011][ T101] ? percpu_counter_add_batch+0x13c/0x160 [ 68.449745][ T101] ? blkcg_maybe_throttle_current+0x1e0/0xa00 [ 68.455828][ T101] ? __fput+0x67c/0x900 [ 68.460005][ T101] ? ____fput+0x15/0x20 [ 68.464265][ T101] __x64_sys_newfstatat+0x9b/0xb0 [ 68.469304][ T101] x64_sys_call+0x2c1/0x9a0 [ 68.473821][ T101] do_syscall_64+0x4c/0xa0 [ 68.478250][ T101] ? clear_bhb_loop+0x50/0xa0 [ 68.482954][ T101] ? clear_bhb_loop+0x50/0xa0 [ 68.488423][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.494743][ T101] RIP: 0033:0x7f48232d1b0a [ 68.499519][ T101] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 68.522723][ T101] RSP: 002b:00007ffc27d66ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 68.531759][ T101] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f48232d1b0a [ 68.540771][ T101] RDX: 00007ffc27d66b80 RSI: 00007f482392a15a RDI: 00000000ffffff9c [ 68.551220][ T101] RBP: 00007f482392f7d8 R08: 0000000000000000 R09: 0000000000000020 [ 68.559224][ T101] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f482392a15a [ 68.568188][ T101] R13: 000055a44209d100 R14: 00007ffc27d66b70 R15: 0000000000000000 [ 68.576351][ T101] [ 68.579685][ C1] FAULT_INJECTION: forcing a failure. [ 68.579685][ C1] name failslab, interval 1, probability 10, space 0, times 5 [ 68.579718][ T367] FAULT_INJECTION: forcing a failure. [ 68.579718][ T367] name failslab, interval 1, probability 10, space 0, times 5 [ 68.592941][ C1] CPU: 1 PID: 369 Comm: wg-crypt-wg1 Not tainted syzkaller #0 [ 68.614216][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 68.624296][ C1] Workqueue: wg-crypt-wg1 wg_packet_decrypt_worker [ 68.630822][ C1] Call Trace: [ 68.634127][ C1] [ 68.637027][ C1] __dump_stack+0x21/0x30 [ 68.641379][ C1] dump_stack_lvl+0x110/0x170 [ 68.646080][ C1] ? show_regs_print_info+0x20/0x20 [ 68.651295][ C1] ? prandom_u32+0x24d/0x290 [ 68.655898][ C1] dump_stack+0x15/0x20 [ 68.660071][ C1] should_fail+0x3ab/0x500 [ 68.664509][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 68.669637][ C1] __should_failslab+0xa4/0xe0 [ 68.674508][ C1] should_failslab+0x9/0x20 [ 68.679032][ C1] slab_pre_alloc_hook+0x39/0xd0 [ 68.683989][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 68.689033][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 68.694076][ C1] __kmalloc_track_caller+0x6c/0x2c0 [ 68.699662][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 68.704702][ C1] ? __napi_alloc_skb+0x162/0x2e0 [ 68.709757][ C1] __alloc_skb+0x210/0x730 [ 68.714191][ C1] __napi_alloc_skb+0x162/0x2e0 [ 68.719058][ C1] page_to_skb+0x274/0xb60 [ 68.723494][ C1] ? should_fail+0x3ab/0x500 [ 68.728099][ C1] receive_buf+0xcd3/0x4bc0 [ 68.732619][ C1] ? virtnet_poll_tx+0x4e0/0x4e0 [ 68.737661][ C1] ? __update_load_avg_cfs_rq+0xb1/0x2e0 [ 68.743506][ C1] ? update_load_avg+0x442/0x1110 [ 68.748696][ C1] ? virtqueue_get_buf_ctx+0x4a2/0xf60 [ 68.754166][ C1] ? detach_buf_split+0x88d/0xa90 [ 68.759205][ C1] ? virtqueue_get_buf_ctx+0x700/0xf60 [ 68.764682][ C1] virtnet_poll+0x510/0xe90 [ 68.769210][ C1] ? sched_group_set_idle+0x600/0x600 [ 68.774601][ C1] ? refill_work+0x220/0x220 [ 68.779199][ C1] ? check_preempt_wakeup+0x11a/0xbb0 [ 68.784592][ C1] __napi_poll+0xbb/0x580 [ 68.789031][ C1] net_rx_action+0x37f/0x910 [ 68.793899][ C1] ? net_tx_action+0x520/0x520 [ 68.799544][ C1] ? sched_clock_cpu+0x18/0x3d0 [ 68.804745][ C1] ? irqtime_account_irq+0x76/0x390 [ 68.810846][ C1] handle_softirqs+0x250/0x560 [ 68.816197][ C1] __do_softirq+0xb/0xd [ 68.820802][ C1] do_softirq+0xdc/0x130 [ 68.825496][ C1] [ 68.828442][ C1] [ 68.831409][ C1] ? __local_bh_enable_ip+0x80/0x80 [ 68.837142][ C1] ? _raw_spin_lock_bh+0x94/0xf0 [ 68.842271][ C1] ? _raw_spin_lock_irq+0xf0/0xf0 [ 68.847312][ C1] __local_bh_enable_ip+0x75/0x80 [ 68.852874][ C1] _raw_spin_unlock_bh+0x51/0x60 [ 68.857824][ C1] wg_packet_decrypt_worker+0x2af/0xda0 [ 68.863387][ C1] ? wg_packet_rx_poll+0x1b40/0x1b40 [ 68.868693][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 68.873903][ C1] ? update_irq_load_avg+0x10c/0x350 [ 68.879199][ C1] ? update_rq_clock+0x1eb/0x590 [ 68.884152][ C1] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 68.889967][ C1] ? __set_cpus_allowed_ptr_locked+0x5cc/0x1020 [ 68.896746][ C1] ? uclamp_rq_max_value+0x4d0/0x4d0 [ 68.902052][ C1] ? __kasan_check_write+0x14/0x20 [ 68.907181][ C1] ? _raw_spin_lock+0x94/0xf0 [ 68.911875][ C1] ? _raw_spin_trylock_bh+0x150/0x150 [ 68.917260][ C1] ? _raw_spin_unlock+0x4d/0x70 [ 68.922116][ C1] process_one_work+0x6c8/0xbb0 [ 68.926979][ C1] rescuer_thread+0x73d/0xf80 [ 68.931673][ C1] ? rcu_free_pwq+0x30/0x30 [ 68.936190][ C1] ? __kasan_check_read+0x11/0x20 [ 68.941229][ C1] ? __kthread_parkme+0xab/0x1f0 [ 68.946177][ C1] kthread+0x3f5/0x4f0 [ 68.950262][ C1] ? rcu_free_pwq+0x30/0x30 [ 68.955041][ C1] ? kthread_blkcg+0xd0/0xd0 [ 68.959675][ C1] ret_from_fork+0x1f/0x30 [ 68.964109][ C1] [ 68.967202][ T64] CPU: 0 PID: 64 Comm: jbd2/sda1-8 Not tainted syzkaller #0 [ 68.974521][ T64] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 68.984593][ T64] Call Trace: [ 68.987912][ T64] [ 68.990859][ T64] __dump_stack+0x21/0x30 [ 68.995205][ T64] dump_stack_lvl+0x110/0x170 [ 68.999897][ T64] ? show_regs_print_info+0x20/0x20 [ 69.005112][ T64] ? prandom_u32+0x24d/0x290 [ 69.009716][ T64] dump_stack+0x15/0x20 [ 69.013892][ T64] should_fail+0x3ab/0x500 [ 69.018330][ T64] __should_failslab+0xa4/0xe0 [ 69.023119][ T64] should_failslab+0x9/0x20 [ 69.027642][ T64] slab_pre_alloc_hook+0x39/0xd0 [ 69.032598][ T64] ? mempool_alloc_slab+0x1d/0x30 [ 69.037641][ T64] kmem_cache_alloc+0x44/0x260 [ 69.042420][ T64] ? submit_bio_noacct+0x762/0x800 [ 69.047548][ T64] ? mempool_free+0x330/0x330 [ 69.052264][ T64] mempool_alloc_slab+0x1d/0x30 [ 69.057133][ T64] mempool_alloc+0x167/0x4c0 [ 69.061738][ T64] ? chksum_update+0x47/0xa0 [ 69.066343][ T64] ? fscrypt_set_bio_crypt_ctx+0x179/0x4f0 [ 69.072165][ T64] ? crypto_shash_update+0x216/0x300 [ 69.077465][ T64] ? mempool_resize+0x880/0x880 [ 69.082350][ T64] ? blkcg_set_ioprio+0x1f6/0x320 [ 69.087392][ T64] ? submit_bio+0x367/0x620 [ 69.091912][ T64] ? submit_bio_noacct+0x800/0x800 [ 69.097038][ T64] bio_alloc_bioset+0x124/0x910 [ 69.101911][ T64] submit_bh_wbc+0x1c2/0x680 [ 69.106519][ T64] submit_bh+0x2a/0x40 [ 69.110610][ T64] jbd2_journal_commit_transaction+0x2461/0x5650 [ 69.116958][ T64] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 69.123739][ T64] ? __switch_to+0x56c/0x1070 [ 69.128435][ T64] ? compat_start_thread+0x20/0x20 [ 69.133561][ T64] ? _raw_spin_unlock+0x4d/0x70 [ 69.138429][ T64] ? _raw_spin_lock+0xf0/0xf0 [ 69.143122][ T64] ? __schedule+0xbd7/0x14a0 [ 69.147729][ T64] ? detach_if_pending+0x18f/0x300 [ 69.152854][ T64] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 69.158704][ T64] ? del_timer_sync+0x144/0x1a0 [ 69.163578][ T64] kjournald2+0x43d/0x860 [ 69.167922][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 69.173154][ T64] ? io_schedule+0xe0/0xe0 [ 69.177584][ T64] ? __kasan_check_read+0x11/0x20 [ 69.182625][ T64] ? __kthread_parkme+0xab/0x1f0 [ 69.187576][ T64] kthread+0x3f5/0x4f0 [ 69.191663][ T64] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 69.196880][ T64] ? kthread_blkcg+0xd0/0xd0 [ 69.201483][ T64] ret_from_fork+0x1f/0x30 [ 69.206026][ T64] [ 69.209409][ T367] CPU: 1 PID: 367 Comm: syz-executor Not tainted syzkaller #0 [ 69.210800][ T139] FAULT_INJECTION: forcing a failure. [ 69.210800][ T139] name failslab, interval 1, probability 10, space 0, times 3 [ 69.216901][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 69.216919][ T367] Call Trace: [ 69.216926][ T367] [ 69.216935][ T367] __dump_stack+0x21/0x30 [ 69.250282][ T367] dump_stack_lvl+0x110/0x170 [ 69.254990][ T367] ? show_regs_print_info+0x20/0x20 [ 69.260205][ T367] dump_stack+0x15/0x20 [ 69.264378][ T367] should_fail+0x3ab/0x500 [ 69.268820][ T367] __should_failslab+0xa4/0xe0 [ 69.273606][ T367] should_failslab+0x9/0x20 [ 69.278121][ T367] slab_pre_alloc_hook+0x39/0xd0 [ 69.283165][ T367] ? __alloc_skb+0xe4/0x730 [ 69.287779][ T367] kmem_cache_alloc+0x44/0x260 [ 69.292574][ T367] __alloc_skb+0xe4/0x730 [ 69.296932][ T367] __ipv6_ifa_notify+0x200/0xe70 [ 69.301895][ T367] ? inet6_fill_ifla6_attrs+0x25b0/0x25b0 [ 69.307630][ T367] ? kvfree_call_rcu+0x5d3/0x860 [ 69.312880][ T367] ? call_rcu+0xf60/0xf60 [ 69.317292][ T367] ? __kasan_check_write+0x14/0x20 [ 69.322453][ T367] ? try_to_grab_pending+0x1a4/0x580 [ 69.328396][ T367] ? mod_delayed_work_on+0xe0/0xe0 [ 69.333633][ T367] ? __kasan_check_write+0x14/0x20 [ 69.338992][ T367] ? _raw_spin_lock_bh+0x94/0xf0 [ 69.343963][ T367] ? _raw_spin_lock_irq+0xf0/0xf0 [ 69.349007][ T367] ? __kasan_check_write+0x14/0x20 [ 69.354139][ T367] addrconf_ifdown+0xdb1/0x1910 [ 69.359094][ T367] ? addrconf_cleanup+0x1c0/0x1c0 [ 69.365423][ T367] ? __kasan_check_write+0x14/0x20 [ 69.370873][ T367] ? mutex_unlock+0x8f/0x230 [ 69.375496][ T367] ? __mutex_lock_slowpath+0x10/0x10 [ 69.380812][ T367] ? nf_nat_masq_schedule+0x4d0/0x4d0 [ 69.386428][ T367] ? masq_device_event+0xd0/0xd0 [ 69.391646][ T367] addrconf_notify+0x3bd/0xe00 [ 69.396450][ T367] raw_notifier_call_chain+0x90/0x100 [ 69.402697][ T367] dev_close_many+0x325/0x4d0 [ 69.407695][ T367] ? __dev_open+0x500/0x500 [ 69.412240][ T367] ? __kasan_check_read+0x11/0x20 [ 69.417455][ T367] unregister_netdevice_many+0x477/0x1a00 [ 69.423217][ T367] ? __queue_work+0x903/0xc60 [ 69.427923][ T367] ? alloc_netdev_mqs+0xe20/0xe20 [ 69.432994][ T367] ? __queue_delayed_work+0x188/0x200 [ 69.438500][ T367] ? __kasan_check_read+0x11/0x20 [ 69.443550][ T367] unregister_netdevice_queue+0x2e1/0x320 [ 69.449289][ T367] ? __kasan_check_read+0x11/0x20 [ 69.454340][ T367] ? linkwatch_urgent_event+0x34d/0x460 [ 69.459904][ T367] ? list_netdevice+0x4c0/0x4c0 [ 69.464774][ T367] __tun_detach+0xc9d/0x1450 [ 69.469741][ T367] tun_chr_close+0x92/0x140 [ 69.474353][ T367] ? tun_chr_open+0x540/0x540 [ 69.479482][ T367] __fput+0x22b/0x900 [ 69.483487][ T367] ____fput+0x15/0x20 [ 69.487596][ T367] task_work_run+0x127/0x190 [ 69.492209][ T367] do_exit+0xb70/0x29a0 [ 69.496473][ T367] ? put_task_struct+0x90/0x90 [ 69.501276][ T367] ? __fdget_pos+0x1f7/0x380 [ 69.505890][ T367] ? ksys_write+0x1eb/0x260 [ 69.510413][ T367] ? __ia32_sys_read+0x90/0x90 [ 69.515194][ T367] do_group_exit+0x149/0x310 [ 69.519810][ T367] __x64_sys_exit_group+0x3f/0x40 [ 69.524850][ T367] x64_sys_call+0x832/0x9a0 [ 69.529370][ T367] do_syscall_64+0x4c/0xa0 [ 69.533906][ T367] ? clear_bhb_loop+0x50/0xa0 [ 69.538595][ T367] ? clear_bhb_loop+0x50/0xa0 [ 69.543724][ T367] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.549897][ T367] RIP: 0033:0x7f78c727de99 [ 69.554323][ T367] Code: Unable to access opcode bytes at RIP 0x7f78c727de6f. [ 69.561800][ T367] RSP: 002b:00007ffcb960eb68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 69.570514][ T367] RAX: ffffffffffffffda RBX: 00007f78c731336a RCX: 00007f78c727de99 [ 69.578790][ T367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 69.586822][ T367] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f78c731330a [ 69.594824][ T367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb960fdc0 [ 69.602825][ T367] R13: 00007f78c731330a R14: 00005555805bb4e8 R15: 00007ffcb960fe00 [ 69.610827][ T367] [ 69.613864][ T90] CPU: 0 PID: 90 Comm: klogd Not tainted syzkaller #0 [ 69.620668][ T90] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 69.630742][ T90] Call Trace: [ 69.634034][ T90] [ 69.636977][ T90] __dump_stack+0x21/0x30 [ 69.641320][ T90] dump_stack_lvl+0x110/0x170 [ 69.646007][ T90] ? show_regs_print_info+0x20/0x20 [ 69.651248][ T90] dump_stack+0x15/0x20 [ 69.655424][ T90] should_fail+0x3ab/0x500 [ 69.659849][ T90] __should_failslab+0xa4/0xe0 [ 69.664631][ T90] should_failslab+0x9/0x20 [ 69.669156][ T90] slab_pre_alloc_hook+0x39/0xd0 [ 69.674114][ T90] ? sk_prot_alloc+0x5f/0x320 [ 69.678805][ T90] kmem_cache_alloc+0x44/0x260 [ 69.683667][ T90] ? slab_post_alloc_hook+0x6d/0x2b0 [ 69.688963][ T90] sk_prot_alloc+0x5f/0x320 [ 69.693478][ T90] sk_alloc+0x38/0x430 [ 69.697557][ T90] unix_create1+0xb4/0x610 [ 69.701987][ T90] unix_create+0x149/0x200 [ 69.706417][ T90] __sock_create+0x38d/0x7a0 [ 69.711021][ T90] __sys_socket+0xec/0x190 [ 69.715452][ T90] __x64_sys_socket+0x7a/0x90 [ 69.720145][ T90] x64_sys_call+0x8c5/0x9a0 [ 69.724672][ T90] do_syscall_64+0x4c/0xa0 [ 69.729112][ T90] ? clear_bhb_loop+0x50/0xa0 [ 69.733798][ T90] ? clear_bhb_loop+0x50/0xa0 [ 69.738488][ T90] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 69.744393][ T90] RIP: 0033:0x7f336e5e3707 [ 69.748821][ T90] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 69.768436][ T90] RSP: 002b:00007ffe3a5b6c18 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 69.776861][ T90] RAX: ffffffffffffffda RBX: 000000000000004e RCX: 00007f336e5e3707 [ 69.784861][ T90] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 69.792846][ T90] RBP: 00007f336e66f560 R08: 0000000000000000 R09: 0000000000000000 [ 69.800826][ T90] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 69.808808][ T90] R13: 00007ffe3a5b6d40 R14: 0000000000000033 R15: 00007ffe3a5b6d40 [ 69.816799][ T90] [ 69.820021][ T139] CPU: 0 PID: 139 Comm: dhcpcd Not tainted syzkaller #0 [ 69.820274][ T367] FAULT_INJECTION: forcing a failure. [ 69.820274][ T367] name failslab, interval 1, probability 10, space 0, times 1 [ 69.826992][ T139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 69.827005][ T139] Call Trace: [ 69.827011][ T139] [ 69.827018][ T139] __dump_stack+0x21/0x30 [ 69.827041][ T139] dump_stack_lvl+0x110/0x170 [ 69.840327][ T101] FAULT_INJECTION: forcing a failure. [ 69.840327][ T101] name failslab, interval 1, probability 10, space 0, times 1 [ 69.849765][ T139] ? show_regs_print_info+0x20/0x20 [ 69.849790][ T139] ? prandom_u32+0x24d/0x290 [ 69.887449][ T139] dump_stack+0x15/0x20 [ 69.891635][ T139] should_fail+0x3ab/0x500 [ 69.896067][ T139] __should_failslab+0xa4/0xe0 [ 69.900855][ T139] should_failslab+0x9/0x20 [ 69.905383][ T139] slab_pre_alloc_hook+0x39/0xd0 [ 69.910343][ T139] ? __alloc_skb+0xe4/0x730 [ 69.914869][ T139] kmem_cache_alloc+0x44/0x260 [ 69.919646][ T139] ? _raw_spin_lock+0xf0/0xf0 [ 69.924339][ T139] __alloc_skb+0xe4/0x730 [ 69.928714][ T139] alloc_skb_with_frags+0xa8/0x620 [ 69.933842][ T139] ? __kasan_check_write+0x14/0x20 [ 69.939053][ T139] ? fput_many+0x15a/0x1a0 [ 69.943497][ T139] ? avc_has_perm_noaudit+0x390/0x490 [ 69.948888][ T139] sock_alloc_send_pskb+0x87f/0x9a0 [ 69.954102][ T139] ? __asan_set_shadow_00+0xe/0x10 [ 69.959352][ T139] ? avc_denied+0x1b0/0x1b0 [ 69.963872][ T139] ? sock_kzfree_s+0x60/0x60 [ 69.968475][ T139] ? __kasan_check_write+0x14/0x20 [ 69.973624][ T139] ? _raw_spin_lock+0x94/0xf0 [ 69.978317][ T139] ? _raw_spin_trylock_bh+0x150/0x150 [ 69.983707][ T139] ? avc_has_perm+0x163/0x250 [ 69.988422][ T139] unix_dgram_sendmsg+0x6f3/0x19b0 [ 69.993640][ T139] ? selinux_socket_sendmsg+0x22f/0x340 [ 69.999206][ T139] ? selinux_socket_accept+0x570/0x570 [ 70.004684][ T139] ? unix_dgram_poll+0x6c0/0x6c0 [ 70.009646][ T139] unix_seqpacket_sendmsg+0x118/0x1e0 [ 70.015035][ T139] sock_write_iter+0x2a6/0x3a0 [ 70.019898][ T139] ? sock_read_iter+0x380/0x380 [ 70.024775][ T139] ? memset+0x35/0x40 [ 70.028861][ T139] ? iov_iter_init+0xbc/0x180 [ 70.033696][ T139] vfs_write+0x831/0xfd0 [ 70.037976][ T139] ? file_end_write+0x1b0/0x1b0 [ 70.042900][ T139] ? __secure_computing+0x290/0x290 [ 70.048145][ T139] ? set_user_sigmask+0x15d/0x1c0 [ 70.053189][ T139] ? __kasan_check_read+0x11/0x20 [ 70.058657][ T139] ? __fdget_pos+0x1f7/0x380 [ 70.063262][ T139] ksys_write+0x14a/0x260 [ 70.067819][ T139] ? __ia32_sys_read+0x90/0x90 [ 70.072611][ T139] ? __secure_computing+0xea/0x290 [ 70.077757][ T139] __x64_sys_write+0x7b/0x90 [ 70.082368][ T139] x64_sys_call+0x8ef/0x9a0 [ 70.086915][ T139] do_syscall_64+0x4c/0xa0 [ 70.091343][ T139] ? clear_bhb_loop+0x50/0xa0 [ 70.096036][ T139] ? clear_bhb_loop+0x50/0xa0 [ 70.100731][ T139] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.106640][ T139] RIP: 0033:0x7f29909e8407 [ 70.111176][ T139] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 70.130803][ T139] RSP: 002b:00007ffecbb383f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 70.139262][ T139] RAX: ffffffffffffffda RBX: 00007f299095e740 RCX: 00007f29909e8407 [ 70.147252][ T139] RDX: 0000000000000048 RSI: 00007ffecbb38450 RDI: 0000000000000005 [ 70.155259][ T139] RBP: 000055c50ba21a48 R08: 0000000000000000 R09: 0000000000000000 [ 70.163516][ T139] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffecbb38880 [ 70.171524][ T139] R13: 000000000000f7bb R14: 0000000000000001 R15: 0000000000000001 [ 70.179514][ T139] [ 70.182561][ T367] CPU: 1 PID: 367 Comm: syz-executor Not tainted syzkaller #0 [ 70.190061][ T367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 70.200147][ T367] Call Trace: [ 70.203467][ T367] [ 70.206419][ T367] __dump_stack+0x21/0x30 [ 70.210803][ T367] dump_stack_lvl+0x110/0x170 [ 70.215597][ T367] ? show_regs_print_info+0x20/0x20 [ 70.221347][ T367] ? prandom_u32+0x24d/0x290 [ 70.226197][ T367] dump_stack+0x15/0x20 [ 70.231358][ T367] should_fail+0x3ab/0x500 [ 70.236088][ T367] ? inet_netconf_notify_devconf+0x169/0x220 [ 70.243268][ T367] __should_failslab+0xa4/0xe0 [ 70.248253][ T367] should_failslab+0x9/0x20 [ 70.253485][ T367] slab_pre_alloc_hook+0x39/0xd0 [ 70.258823][ T367] ? inet_netconf_notify_devconf+0x169/0x220 [ 70.264842][ T367] ? inet_netconf_notify_devconf+0x169/0x220 [ 70.271470][ T367] __kmalloc_track_caller+0x6c/0x2c0 [ 70.276886][ T367] ? inet_netconf_notify_devconf+0x169/0x220 [ 70.283683][ T367] ? inet_netconf_notify_devconf+0x169/0x220 [ 70.290071][ T367] __alloc_skb+0x210/0x730 [ 70.294952][ T367] inet_netconf_notify_devconf+0x169/0x220 [ 70.300899][ T367] inetdev_event+0x7b0/0x1060 [ 70.305708][ T367] ? devinet_exit_net+0x220/0x220 [ 70.311498][ T367] ? up_read+0x56/0x1d0 [ 70.316195][ T367] raw_notifier_call_chain+0x90/0x100 [ 70.321804][ T367] unregister_netdevice_many+0x103d/0x1a00 [ 70.331233][ T367] ? alloc_netdev_mqs+0xe20/0xe20 [ 70.336867][ T367] ? __queue_delayed_work+0x188/0x200 [ 70.342368][ T367] ? __kasan_check_read+0x11/0x20 [ 70.347424][ T367] unregister_netdevice_queue+0x2e1/0x320 [ 70.361033][ T367] ? __kasan_check_read+0x11/0x20 [ 70.368134][ T367] ? linkwatch_urgent_event+0x34d/0x460 [ 70.374871][ T367] ? list_netdevice+0x4c0/0x4c0 [ 70.380705][ T367] __tun_detach+0xc9d/0x1450 [ 70.385509][ T367] tun_chr_close+0x92/0x140 [ 70.390783][ T367] ? tun_chr_open+0x540/0x540 [ 70.395519][ T367] __fput+0x22b/0x900 [ 70.399993][ T367] ____fput+0x15/0x20 [ 70.404024][ T367] task_work_run+0x127/0x190 [ 70.408650][ T367] do_exit+0xb70/0x29a0 [ 70.412866][ T367] ? put_task_struct+0x90/0x90 [ 70.417765][ T367] ? __fdget_pos+0x1f7/0x380 [ 70.422694][ T367] ? ksys_write+0x1eb/0x260 [ 70.427241][ T367] ? __ia32_sys_read+0x90/0x90 [ 70.433811][ T367] do_group_exit+0x149/0x310 [ 70.438529][ T367] __x64_sys_exit_group+0x3f/0x40 [ 70.443596][ T367] x64_sys_call+0x832/0x9a0 [ 70.448146][ T367] do_syscall_64+0x4c/0xa0 [ 70.452598][ T367] ? clear_bhb_loop+0x50/0xa0 [ 70.457555][ T367] ? clear_bhb_loop+0x50/0xa0 [ 70.462302][ T367] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.468226][ T367] RIP: 0033:0x7f78c727de99 [ 70.473186][ T367] Code: Unable to access opcode bytes at RIP 0x7f78c727de6f. [ 70.480756][ T367] RSP: 002b:00007ffcb960eb68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 70.489209][ T367] RAX: ffffffffffffffda RBX: 00007f78c731336a RCX: 00007f78c727de99 [ 70.497214][ T367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 70.505242][ T367] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f78c731330a [ 70.513245][ T367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb960fdc0 [ 70.522474][ T367] R13: 00007f78c731330a R14: 00005555805bb4e8 R15: 00007ffcb960fe00 connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF [ 70.533157][ T367] [ 70.555656][ T101] CPU: 1 PID: 101 Comm: udevd Not tainted syzkaller #0 [ 70.562865][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 70.572958][ T101] Call Trace: [ 70.576262][ T101] [ 70.579236][ T101] __dump_stack+0x21/0x30 [ 70.583601][ T101] dump_stack_lvl+0x110/0x170 [ 70.588739][ T101] ? show_regs_print_info+0x20/0x20 [ 70.593981][ T101] dump_stack+0x15/0x20 [ 70.598196][ T101] should_fail+0x3ab/0x500 [ 70.602660][ T101] __should_failslab+0xa4/0xe0 [ 70.607560][ T101] should_failslab+0x9/0x20 [ 70.612125][ T101] slab_pre_alloc_hook+0x39/0xd0 [ 70.617115][ T101] ? getname_flags+0xba/0x510 [ 70.621949][ T101] kmem_cache_alloc+0x44/0x260 [ 70.626756][ T101] getname_flags+0xba/0x510 [ 70.631453][ T101] getname+0x19/0x20 [ 70.635389][ T101] do_sys_openat2+0xeb/0x7f0 [ 70.640001][ T101] ? blkcg_maybe_throttle_current+0x1e0/0xa00 [ 70.646550][ T101] ? __fput+0x67c/0x900 [ 70.650760][ T101] ? do_sys_open+0xe0/0xe0 [ 70.655221][ T101] ? __blkcg_punt_bio_submit+0x170/0x170 [ 70.660889][ T101] ? ____fput+0x15/0x20 [ 70.665159][ T101] __x64_sys_openat+0x136/0x160 [ 70.670549][ T101] x64_sys_call+0x219/0x9a0 [ 70.675303][ T101] do_syscall_64+0x4c/0xa0 [ 70.679837][ T101] ? clear_bhb_loop+0x50/0xa0 [ 70.684547][ T101] ? clear_bhb_loop+0x50/0xa0 [ 70.689278][ T101] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 70.695214][ T101] RIP: 0033:0x7f4823267407 [ 70.699656][ T101] 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 [ 70.719290][ T101] RSP: 002b:00007ffc27d66a30 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 70.727734][ T101] RAX: ffffffffffffffda RBX: 00007f4823179880 RCX: 00007f4823267407 [ 70.735729][ T101] RDX: 0000000000080000 RSI: 00007f482392a255 RDI: ffffffffffffff9c [ 70.743724][ T101] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 70.751811][ T101] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a4651b1069 [ 70.759809][ T101] R13: 000055a44209d100 R14: 00007ffc27d66b70 R15: 000055a4651b1060 [ 70.767817][ T101] [ 70.853878][ T101] udevd[101]: worker [306] terminated by signal 9 (Killed) [ 71.607002][ T45] device bridge_slave_1 left promiscuous mode [ 71.613174][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.620823][ T45] device bridge_slave_0 left promiscuous mode [ 71.627001][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.635243][ T45] device veth1_macvtap left promiscuous mode [ 71.641534][ T45] device veth0_vlan left promiscuous mode