Warning: Permanently added '10.128.0.61' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 74.824536][ T8437] ------------[ cut here ]------------ [ 74.830369][ T8437] WARNING: CPU: 0 PID: 8437 at fs/io-wq.c:244 io_wqe_enqueue+0x7fe/0x920 [ 74.840965][ T8437] Modules linked in: [ 74.845240][ T8437] CPU: 0 PID: 8437 Comm: syz-executor083 Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 74.856639][ T8437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.867022][ T8437] RIP: 0010:io_wqe_enqueue+0x7fe/0x920 [ 74.872638][ T8437] Code: ef e8 a6 5c d8 ff e9 25 f9 ff ff 4c 89 ef e8 99 5c d8 ff e9 4b f9 ff ff 48 89 ef e8 8c 5c d8 ff e9 97 fa ff ff e8 62 fa 92 ff <0f> 0b e9 00 fb ff ff 48 8b 3c 24 e8 82 5c d8 ff e9 99 fd ff ff 4c [ 74.893004][ T8437] RSP: 0018:ffffc9000175fc78 EFLAGS: 00010293 [ 74.899187][ T8437] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.907310][ T8437] RDX: ffff888028c38000 RSI: ffffffff81e2d96e RDI: 0000000000000003 [ 74.915445][ T8437] RBP: ffff88801df7a810 R08: 0000000000000000 R09: ffff88801df7a8a3 [ 74.923815][ T8437] R10: ffffffff81e2d46c R11: 0000000000000000 R12: ffff88801df7a800 [ 74.933121][ T8437] R13: ffff88801df7a898 R14: ffff88801df7a8e8 R15: 0000000000000000 [ 74.942211][ T8437] FS: 0000000000872300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 74.952013][ T8437] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.959241][ T8437] CR2: 00007fcfca6616c0 CR3: 00000000216f0000 CR4: 00000000001506e0 [ 74.967408][ T8437] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.976717][ T8437] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.985746][ T8437] Call Trace: [ 74.990320][ T8437] io_queue_async_work+0x2d0/0x5f0 [ 74.996392][ T8437] __io_queue_sqe+0x806/0x10f0 [ 75.001273][ T8437] ? io_issue_sqe+0x6830/0x6830 [ 75.006159][ T8437] ? lock_downgrade+0x6e0/0x6e0 [ 75.011255][ T8437] __io_req_task_submit+0x103/0x120 [ 75.016563][ T8437] io_async_task_func+0x23e/0x4c0 [ 75.021994][ T8437] tctx_task_work+0x144/0x560 [ 75.027135][ T8437] task_work_run+0xdd/0x1a0 [ 75.031866][ T8437] exit_to_user_mode_prepare+0x247/0x280 [ 75.037557][ T8437] syscall_exit_to_user_mode+0x19/0x60 [ 75.043825][ T8437] do_syscall_64+0x3e/0xb0 [ 75.048306][ T8437] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 75.054690][ T8437] RIP: 0033:0x43f109 [ 75.058697][ T8437] 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 [ 75.078901][ T8437] RSP: 002b:00007ffea9c7a838 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 75.088080][ T8437] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000043f109 [ 75.096393][ T8437] RDX: 000000000043f109 RSI: 0000000000000001 RDI: 0000000000000004 [ 75.108600][ T8437] RBP: 00000000004030f0 R08: 0000000000000000 R09: 0000000000000000 [ 75.117732][ T8437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403180 [ 75.125878][ T8437] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 75.134125][ T8437] Kernel panic - not syncing: panic_on_warn set ... [ 75.141267][ T8437] CPU: 1 PID: 8437 Comm: syz-executor083 Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 75.151535][ T8437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.161620][ T8437] Call Trace: [ 75.164935][ T8437] dump_stack_lvl+0x13e/0x1d6 [ 75.169655][ T8437] panic+0x306/0x73d [ 75.173662][ T8437] ? __warn_printk+0xf3/0xf3 [ 75.178288][ T8437] ? __warn.cold+0x1a/0x44 [ 75.182729][ T8437] ? io_wqe_enqueue+0x7fe/0x920 [ 75.187615][ T8437] __warn.cold+0x35/0x44 [ 75.191985][ T8437] ? io_wqe_enqueue+0x7fe/0x920 [ 75.196925][ T8437] report_bug+0x1bd/0x210 [ 75.201308][ T8437] handle_bug+0x3c/0x60 [ 75.205700][ T8437] exc_invalid_op+0x14/0x40 [ 75.210224][ T8437] asm_exc_invalid_op+0x12/0x20 [ 75.215292][ T8437] RIP: 0010:io_wqe_enqueue+0x7fe/0x920 [ 75.220788][ T8437] Code: ef e8 a6 5c d8 ff e9 25 f9 ff ff 4c 89 ef e8 99 5c d8 ff e9 4b f9 ff ff 48 89 ef e8 8c 5c d8 ff e9 97 fa ff ff e8 62 fa 92 ff <0f> 0b e9 00 fb ff ff 48 8b 3c 24 e8 82 5c d8 ff e9 99 fd ff ff 4c [ 75.240796][ T8437] RSP: 0018:ffffc9000175fc78 EFLAGS: 00010293 [ 75.247064][ T8437] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 75.255193][ T8437] RDX: ffff888028c38000 RSI: ffffffff81e2d96e RDI: 0000000000000003 [ 75.263199][ T8437] RBP: ffff88801df7a810 R08: 0000000000000000 R09: ffff88801df7a8a3 [ 75.271417][ T8437] R10: ffffffff81e2d46c R11: 0000000000000000 R12: ffff88801df7a800 [ 75.279684][ T8437] R13: ffff88801df7a898 R14: ffff88801df7a8e8 R15: 0000000000000000 [ 75.287708][ T8437] ? io_wqe_enqueue+0x2fc/0x920 [ 75.292809][ T8437] ? io_wqe_enqueue+0x7fe/0x920 [ 75.298234][ T8437] ? io_wqe_enqueue+0x7fe/0x920 [ 75.303570][ T8437] io_queue_async_work+0x2d0/0x5f0 [ 75.309338][ T8437] __io_queue_sqe+0x806/0x10f0 [ 75.314154][ T8437] ? io_issue_sqe+0x6830/0x6830 [ 75.319127][ T8437] ? lock_downgrade+0x6e0/0x6e0 [ 75.324040][ T8437] __io_req_task_submit+0x103/0x120 [ 75.329538][ T8437] io_async_task_func+0x23e/0x4c0 [ 75.334805][ T8437] tctx_task_work+0x144/0x560 [ 75.339812][ T8437] task_work_run+0xdd/0x1a0 [ 75.344552][ T8437] exit_to_user_mode_prepare+0x247/0x280 [ 75.350222][ T8437] syscall_exit_to_user_mode+0x19/0x60 [ 75.355983][ T8437] do_syscall_64+0x3e/0xb0 [ 75.360529][ T8437] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 75.366661][ T8437] RIP: 0033:0x43f109 [ 75.370573][ T8437] 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 [ 75.390745][ T8437] RSP: 002b:00007ffea9c7a838 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 75.399641][ T8437] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000043f109 [ 75.408011][ T8437] RDX: 000000000043f109 RSI: 0000000000000001 RDI: 0000000000000004 [ 75.416140][ T8437] RBP: 00000000004030f0 R08: 0000000000000000 R09: 0000000000000000 [ 75.424231][ T8437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403180 [ 75.432513][ T8437] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 75.441462][ T8437] Kernel Offset: disabled [ 75.446794][ T8437] Rebooting in 86400 seconds..