Warning: Permanently added '10.128.0.31' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 55.791162][ T8403] ------------[ cut here ]------------ [ 55.797267][ T8403] WARNING: CPU: 1 PID: 8403 at fs/io-wq.c:244 io_wqe_enqueue+0x6f0/0x860 [ 55.807605][ T8403] Modules linked in: [ 55.811883][ T8403] CPU: 1 PID: 8403 Comm: syz-executor253 Not tainted 5.13.0-rc4-syzkaller #0 [ 55.822125][ T8403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.832494][ T8403] RIP: 0010:io_wqe_enqueue+0x6f0/0x860 [ 55.837978][ T8403] Code: c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 89 2c 00 00 e8 24 17 91 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 10 17 91 ff <0f> 0b e9 aa fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 33 f9 [ 55.858316][ T8403] RSP: 0018:ffffc90000eefb78 EFLAGS: 00010293 [ 55.864601][ T8403] RAX: ffffffff81edf3e0 RBX: 0000000000000000 RCX: ffff888019a78000 [ 55.872771][ T8403] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 55.880772][ T8403] RBP: 0000000000000010 R08: ffffffff81edf184 R09: ffffed10052d3615 [ 55.888978][ T8403] R10: ffffed10052d3615 R11: 0000000000000000 R12: ffff88802969b098 [ 55.897311][ T8403] R13: 1ffff110052d3613 R14: dffffc0000000000 R15: ffff88802969b0e8 [ 55.905822][ T8403] FS: 0000000001df3300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 55.915328][ T8403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.922314][ T8403] CR2: 0000000020000180 CR3: 0000000028c15000 CR4: 00000000001506e0 [ 55.931051][ T8403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.940193][ T8403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.948848][ T8403] Call Trace: [ 55.952380][ T8403] io_queue_async_work+0x246/0x540 [ 55.957995][ T8403] __io_queue_sqe+0xcea/0xfc0 [ 55.963116][ T8403] ? lockdep_hardirqs_on_prepare+0x3e2/0x750 [ 55.969274][ T8403] ? io_req_task_submit+0x270/0x270 [ 55.974599][ T8403] ? _raw_spin_unlock_irq+0x1f/0x40 [ 55.979818][ T8403] io_async_task_func+0x549/0x9f0 [ 55.984974][ T8403] ? trace_io_uring_poll_wake+0x240/0x240 [ 55.990834][ T8403] tctx_task_work+0x1cd/0x320 [ 55.995625][ T8403] ? _raw_spin_unlock_irq+0x1f/0x40 [ 56.001097][ T8403] task_work_run+0x146/0x1c0 [ 56.005821][ T8403] exit_to_user_mode_prepare+0x9b/0x200 [ 56.011429][ T8403] ? trace_irq_disable_rcuidle+0x11/0x170 [ 56.017305][ T8403] syscall_exit_to_user_mode+0x26/0x70 [ 56.022878][ T8403] do_syscall_64+0x4b/0xb0 [ 56.027495][ T8403] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 56.033574][ T8403] RIP: 0033:0x43f109 [ 56.037655][ T8403] 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 [ 56.057669][ T8403] RSP: 002b:00007ffc7ebfa218 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 56.066366][ T8403] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000043f109 [ 56.074493][ T8403] RDX: 000000000043f109 RSI: 0000000000000001 RDI: 0000000000000004 [ 56.082544][ T8403] RBP: 00000000004030f0 R08: 0000000000000000 R09: 0000000000000000 [ 56.090622][ T8403] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403180 [ 56.098824][ T8403] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 56.106953][ T8403] Kernel panic - not syncing: panic_on_warn set ... [ 56.113540][ T8403] CPU: 1 PID: 8403 Comm: syz-executor253 Not tainted 5.13.0-rc4-syzkaller #0 [ 56.122528][ T8403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.132927][ T8403] Call Trace: [ 56.136204][ T8403] dump_stack+0x202/0x31e [ 56.140524][ T8403] ? show_regs_print_info+0x12/0x12 [ 56.146089][ T8403] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 56.151850][ T8403] panic+0x2e1/0x850 [ 56.155762][ T8403] ? __warn+0x13e/0x270 [ 56.160066][ T8403] ? nmi_panic+0x90/0x90 [ 56.164323][ T8403] __warn+0x26a/0x270 [ 56.168295][ T8403] ? io_wqe_enqueue+0x6f0/0x860 [ 56.173257][ T8403] ? io_wqe_enqueue+0x6f0/0x860 [ 56.178107][ T8403] report_bug+0x1b1/0x2e0 [ 56.182435][ T8403] handle_bug+0x3d/0x70 [ 56.186594][ T8403] exc_invalid_op+0x16/0x40 [ 56.191084][ T8403] asm_exc_invalid_op+0x12/0x20 [ 56.196071][ T8403] RIP: 0010:io_wqe_enqueue+0x6f0/0x860 [ 56.201519][ T8403] Code: c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 89 2c 00 00 e8 24 17 91 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 10 17 91 ff <0f> 0b e9 aa fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 33 f9 [ 56.221112][ T8403] RSP: 0018:ffffc90000eefb78 EFLAGS: 00010293 [ 56.227172][ T8403] RAX: ffffffff81edf3e0 RBX: 0000000000000000 RCX: ffff888019a78000 [ 56.235137][ T8403] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.243200][ T8403] RBP: 0000000000000010 R08: ffffffff81edf184 R09: ffffed10052d3615 [ 56.251160][ T8403] R10: ffffed10052d3615 R11: 0000000000000000 R12: ffff88802969b098 [ 56.259118][ T8403] R13: 1ffff110052d3613 R14: dffffc0000000000 R15: ffff88802969b0e8 [ 56.267081][ T8403] ? io_wqe_enqueue+0x494/0x860 [ 56.271932][ T8403] ? io_wqe_enqueue+0x6f0/0x860 [ 56.276780][ T8403] ? io_wqe_enqueue+0x6f0/0x860 [ 56.281741][ T8403] io_queue_async_work+0x246/0x540 [ 56.286851][ T8403] __io_queue_sqe+0xcea/0xfc0 [ 56.291513][ T8403] ? lockdep_hardirqs_on_prepare+0x3e2/0x750 [ 56.297500][ T8403] ? io_req_task_submit+0x270/0x270 [ 56.302691][ T8403] ? _raw_spin_unlock_irq+0x1f/0x40 [ 56.307877][ T8403] io_async_task_func+0x549/0x9f0 [ 56.312896][ T8403] ? trace_io_uring_poll_wake+0x240/0x240 [ 56.318704][ T8403] tctx_task_work+0x1cd/0x320 [ 56.323401][ T8403] ? _raw_spin_unlock_irq+0x1f/0x40 [ 56.328602][ T8403] task_work_run+0x146/0x1c0 [ 56.333181][ T8403] exit_to_user_mode_prepare+0x9b/0x200 [ 56.338727][ T8403] ? trace_irq_disable_rcuidle+0x11/0x170 [ 56.344439][ T8403] syscall_exit_to_user_mode+0x26/0x70 [ 56.350001][ T8403] do_syscall_64+0x4b/0xb0 [ 56.354413][ T8403] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 56.360301][ T8403] RIP: 0033:0x43f109 [ 56.364189][ T8403] 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 [ 56.383778][ T8403] RSP: 002b:00007ffc7ebfa218 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 56.392268][ T8403] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000043f109 [ 56.400348][ T8403] RDX: 000000000043f109 RSI: 0000000000000001 RDI: 0000000000000004 [ 56.408303][ T8403] RBP: 00000000004030f0 R08: 0000000000000000 R09: 0000000000000000 [ 56.416269][ T8403] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403180 [ 56.424540][ T8403] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 56.433442][ T8403] Kernel Offset: disabled [ 56.437851][ T8403] Rebooting in 86400 seconds..