[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.97' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 57.610524][ T6524] FAULT_INJECTION: forcing a failure. [ 57.610524][ T6524] name failslab, interval 1, probability 0, space 0, times 1 [ 57.623552][ T6524] CPU: 0 PID: 6524 Comm: syz-executor339 Not tainted 5.14.0-syzkaller #0 [ 57.632424][ T6524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.642466][ T6524] Call Trace: [ 57.645728][ T6524] dump_stack_lvl+0xcd/0x134 [ 57.650328][ T6524] should_fail.cold+0x5/0xa [ 57.654815][ T6524] ? create_io_worker+0x108/0x580 [ 57.659816][ T6524] should_failslab+0x5/0x10 [ 57.664299][ T6524] kmem_cache_alloc_node_trace+0x59/0x2f0 [ 57.670001][ T6524] create_io_worker+0x108/0x580 [ 57.674838][ T6524] io_wqe_enqueue+0x624/0xb10 [ 57.679497][ T6524] io_queue_async_work+0x282/0x5c0 [ 57.684597][ T6524] __io_queue_sqe+0x649/0xb50 [ 57.689264][ T6524] ? io_issue_sqe+0x6ba0/0x6ba0 [ 57.694104][ T6524] io_submit_sqes+0x205c/0x9740 [ 57.698943][ T6524] ? __do_sys_io_uring_enter+0xf48/0x1f00 [ 57.704639][ T6524] __do_sys_io_uring_enter+0xf48/0x1f00 [ 57.710170][ T6524] ? io_submit_sqes+0x9740/0x9740 [ 57.715173][ T6524] ? find_held_lock+0x2d/0x110 [ 57.719913][ T6524] ? __context_tracking_exit+0xb8/0xe0 [ 57.725349][ T6524] ? lock_downgrade+0x6e0/0x6e0 [ 57.730176][ T6524] ? lock_downgrade+0x6e0/0x6e0 [ 57.735013][ T6524] ? syscall_enter_from_user_mode+0x21/0x70 [ 57.740886][ T6524] do_syscall_64+0x35/0xb0 [ 57.745279][ T6524] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 57.751149][ T6524] RIP: 0033:0x43f6d9 [ 57.755024][ T6524] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 57.774614][ T6524] RSP: 002b:00007ffed8512b88 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa [ 57.783018][ T6524] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000043f6d9 [ 57.790967][ T6524] RDX: 0000000000000000 RSI: 0000000000000304 RDI: 0000000000000003 [ 57.798914][ T6524] RBP: 00007ffed8512ba0 R08: 0000000000000000 R09: 0000000000000000 [ 57.806858][ T6524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 57.814810][ T6524] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 57.824229][ T6524] ------------[ cut here ]------------ [ 57.830004][ T6524] WARNING: CPU: 0 PID: 6524 at fs/io_uring.c:1164 io_wq_submit_work+0x272/0x300 [ 57.839305][ T6524] Modules linked in: [ 57.843325][ T6524] CPU: 0 PID: 6524 Comm: syz-executor339 Not tainted 5.14.0-syzkaller #0 [ 57.851911][ T6524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.862126][ T6524] RIP: 0010:io_wq_submit_work+0x272/0x300 [ 57.867848][ T6524] Code: e8 43 33 91 ff 83 fb 7f 76 1b e8 f9 2b 91 ff be 04 00 00 00 4c 89 ef e8 3c 7a d8 ff f0 ff 45 a4 e9 41 fe ff ff e8 de 2b 91 ff <0f> 0b eb dc e8 d5 2b 91 ff 4c 89 e7 e8 ed db fb ff 48 85 c0 49 89 [ 57.887530][ T6524] RSP: 0018:ffffc9000116fae8 EFLAGS: 00010293 [ 57.893664][ T6524] RAX: 0000000000000000 RBX: 000000000000007f RCX: 0000000000000000 [ 57.901699][ T6524] RDX: ffff88801be91c80 RSI: ffffffff81e4e162 RDI: 0000000000000003 [ 57.909722][ T6524] RBP: ffff88801a793978 R08: 000000000000007f R09: ffff88801a79391f [ 57.917779][ T6524] R10: ffffffff81e4e13d R11: 0000000000000000 R12: ffff88801a7938c0 [ 57.925820][ T6524] R13: ffff88801a79391c R14: ffff88801a793918 R15: 0000000000100000 [ 57.933854][ T6524] FS: 0000000000a12300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 57.942862][ T6524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.949627][ T6524] CR2: 0000000000480310 CR3: 00000000778f6000 CR4: 0000000000350ef0 [ 57.957615][ T6524] Call Trace: [ 57.961135][ T6524] io_acct_cancel_pending_work.isra.0+0x2a9/0x5e0 [ 57.967577][ T6524] io_wqe_cancel_pending_work+0x6c/0x130 [ 57.973281][ T6524] io_wq_put_and_exit+0x7d1/0xc70 [ 57.978312][ T6524] ? kfree+0xe4/0x530 [ 57.983697][ T6524] ? io_wq_exit_start+0x20/0x20 [ 57.988546][ T6524] ? __ia32_sys_io_uring_register+0xf0/0xf0 [ 57.994504][ T6524] io_uring_cancel_generic+0x5fe/0x740 [ 58.000043][ T6524] ? __io_uring_free+0x170/0x170 [ 58.004976][ T6524] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 58.011037][ T6524] ? finish_wait+0x270/0x270 [ 58.015646][ T6524] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 58.022201][ T6524] ? __validate_process_creds+0x20c/0x370 [ 58.027936][ T6524] do_exit+0x265/0x2a30 [ 58.032320][ T6524] ? __context_tracking_exit+0xb8/0xe0 [ 58.037787][ T6524] ? lock_downgrade+0x6e0/0x6e0 [ 58.042736][ T6524] ? lock_downgrade+0x6e0/0x6e0 [ 58.047587][ T6524] ? mm_update_next_owner+0x7a0/0x7a0 [ 58.053140][ T6524] do_group_exit+0x125/0x310 [ 58.057745][ T6524] __x64_sys_exit_group+0x3a/0x50 [ 58.062859][ T6524] do_syscall_64+0x35/0xb0 [ 58.067271][ T6524] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 58.073221][ T6524] RIP: 0033:0x43e3d9 [ 58.077131][ T6524] Code: 90 49 c7 c0 c0 ff ff ff be e7 00 00 00 ba 3c 00 00 00 eb 12 0f 1f 44 00 00 89 d0 0f 05 48 3d 00 f0 ff ff 77 1c f4 89 f0 0f 05 <48> 3d 00 f0 ff ff 76 e7 f7 d8 64 41 89 00 eb df 0f 1f 80 00 00 00 [ 58.096879][ T6524] RSP: 002b:00007ffed8512b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.105425][ T6524] RAX: ffffffffffffffda RBX: 00000000004af3b0 RCX: 000000000043e3d9 [ 58.113608][ T6524] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 58.122294][ T6524] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000 [ 58.130355][ T6524] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004af3b0 [ 58.138336][ T6524] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 58.146677][ T6524] Kernel panic - not syncing: panic_on_warn set ... [ 58.153262][ T6524] CPU: 0 PID: 6524 Comm: syz-executor339 Not tainted 5.14.0-syzkaller #0 [ 58.162074][ T6524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.172108][ T6524] Call Trace: [ 58.175370][ T6524] dump_stack_lvl+0xcd/0x134 [ 58.179944][ T6524] panic+0x2b0/0x6dd [ 58.183821][ T6524] ? __warn_printk+0xf3/0xf3 [ 58.188390][ T6524] ? __warn.cold+0x1a/0x44 [ 58.192785][ T6524] ? io_wq_submit_work+0x272/0x300 [ 58.197967][ T6524] __warn.cold+0x35/0x44 [ 58.202433][ T6524] ? io_wq_submit_work+0x272/0x300 [ 58.207728][ T6524] report_bug+0x1bd/0x210 [ 58.212046][ T6524] handle_bug+0x3c/0x60 [ 58.216190][ T6524] exc_invalid_op+0x14/0x40 [ 58.220678][ T6524] asm_exc_invalid_op+0x12/0x20 [ 58.225520][ T6524] RIP: 0010:io_wq_submit_work+0x272/0x300 [ 58.231226][ T6524] Code: e8 43 33 91 ff 83 fb 7f 76 1b e8 f9 2b 91 ff be 04 00 00 00 4c 89 ef e8 3c 7a d8 ff f0 ff 45 a4 e9 41 fe ff ff e8 de 2b 91 ff <0f> 0b eb dc e8 d5 2b 91 ff 4c 89 e7 e8 ed db fb ff 48 85 c0 49 89 [ 58.250822][ T6524] RSP: 0018:ffffc9000116fae8 EFLAGS: 00010293 [ 58.256873][ T6524] RAX: 0000000000000000 RBX: 000000000000007f RCX: 0000000000000000 [ 58.264828][ T6524] RDX: ffff88801be91c80 RSI: ffffffff81e4e162 RDI: 0000000000000003 [ 58.272785][ T6524] RBP: ffff88801a793978 R08: 000000000000007f R09: ffff88801a79391f [ 58.280740][ T6524] R10: ffffffff81e4e13d R11: 0000000000000000 R12: ffff88801a7938c0 [ 58.288694][ T6524] R13: ffff88801a79391c R14: ffff88801a793918 R15: 0000000000100000 [ 58.296652][ T6524] ? io_wq_submit_work+0x24d/0x300 [ 58.301755][ T6524] ? io_wq_submit_work+0x272/0x300 [ 58.306855][ T6524] ? io_wq_submit_work+0x272/0x300 [ 58.311956][ T6524] io_acct_cancel_pending_work.isra.0+0x2a9/0x5e0 [ 58.318364][ T6524] io_wqe_cancel_pending_work+0x6c/0x130 [ 58.323988][ T6524] io_wq_put_and_exit+0x7d1/0xc70 [ 58.329004][ T6524] ? kfree+0xe4/0x530 [ 58.332976][ T6524] ? io_wq_exit_start+0x20/0x20 [ 58.337813][ T6524] ? __ia32_sys_io_uring_register+0xf0/0xf0 [ 58.343701][ T6524] io_uring_cancel_generic+0x5fe/0x740 [ 58.349173][ T6524] ? __io_uring_free+0x170/0x170 [ 58.354098][ T6524] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 58.360066][ T6524] ? finish_wait+0x270/0x270 [ 58.364645][ T6524] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 58.370871][ T6524] ? __validate_process_creds+0x20c/0x370 [ 58.376579][ T6524] do_exit+0x265/0x2a30 [ 58.380719][ T6524] ? __context_tracking_exit+0xb8/0xe0 [ 58.386187][ T6524] ? lock_downgrade+0x6e0/0x6e0 [ 58.391022][ T6524] ? lock_downgrade+0x6e0/0x6e0 [ 58.395863][ T6524] ? mm_update_next_owner+0x7a0/0x7a0 [ 58.401230][ T6524] do_group_exit+0x125/0x310 [ 58.405816][ T6524] __x64_sys_exit_group+0x3a/0x50 [ 58.410826][ T6524] do_syscall_64+0x35/0xb0 [ 58.415230][ T6524] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 58.421116][ T6524] RIP: 0033:0x43e3d9 [ 58.424993][ T6524] Code: 90 49 c7 c0 c0 ff ff ff be e7 00 00 00 ba 3c 00 00 00 eb 12 0f 1f 44 00 00 89 d0 0f 05 48 3d 00 f0 ff ff 77 1c f4 89 f0 0f 05 <48> 3d 00 f0 ff ff 76 e7 f7 d8 64 41 89 00 eb df 0f 1f 80 00 00 00 [ 58.444585][ T6524] RSP: 002b:00007ffed8512b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.452983][ T6524] RAX: ffffffffffffffda RBX: 00000000004af3b0 RCX: 000000000043e3d9 [ 58.460939][ T6524] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 58.468894][ T6524] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000 [ 58.476849][ T6524] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004af3b0 [ 58.484802][ T6524] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 58.493864][ T6524] Kernel Offset: disabled [ 58.498698][ T6524] Rebooting in 86400 seconds..