Warning: Permanently added '10.128.0.95' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 57.883674][ T8435] ------------[ cut here ]------------ [ 57.889924][ T8435] WARNING: CPU: 0 PID: 8435 at fs/io-wq.c:244 io_wqe_enqueue+0x7f6/0x910 [ 57.899494][ T8435] Modules linked in: [ 57.903473][ T8435] CPU: 0 PID: 8435 Comm: syz-executor703 Not tainted 5.13.0-rc4-syzkaller #0 [ 57.912277][ T8435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.922524][ T8435] RIP: 0010:io_wqe_enqueue+0x7f6/0x910 [ 57.927986][ T8435] Code: ef e8 4e a5 d8 ff e9 2d f9 ff ff 4c 89 ef e8 41 a5 d8 ff e9 53 f9 ff ff 48 89 ef e8 34 a5 d8 ff e9 9f fa ff ff e8 fa 9e 93 ff <0f> 0b e9 08 fb ff ff 48 8b 7c 24 08 e8 29 a5 d8 ff e9 ca fd ff ff [ 57.947630][ T8435] RSP: 0018:ffffc9000cb17c78 EFLAGS: 00010293 [ 57.953735][ T8435] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.961964][ T8435] RDX: ffff888015de3880 RSI: ffffffff81e13d86 RDI: 0000000000000003 [ 57.970108][ T8435] RBP: ffff88802a622010 R08: 0000000000000000 R09: ffff88802a6220a3 [ 57.978244][ T8435] R10: ffffffff81e1388c R11: 1ffffffff1f34fda R12: ffff88802a622000 [ 57.986903][ T8435] R13: ffff88802a622098 R14: ffff88802a6220e8 R15: 0000000000000000 [ 57.994986][ T8435] FS: 0000000000bc0300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 58.004412][ T8435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.011697][ T8435] CR2: 0000000020000180 CR3: 0000000027ebb000 CR4: 0000000000350ef0 [ 58.019867][ T8435] Call Trace: [ 58.023396][ T8435] io_queue_async_work+0x2d0/0x5f0 [ 58.028723][ T8435] __io_queue_sqe+0x806/0x10f0 [ 58.033526][ T8435] ? io_issue_sqe+0x66b0/0x66b0 [ 58.038373][ T8435] ? lock_downgrade+0x6e0/0x6e0 [ 58.043276][ T8435] __io_req_task_submit+0x103/0x120 [ 58.048491][ T8435] io_async_task_func+0x23e/0x4c0 [ 58.053567][ T8435] tctx_task_work+0x24e/0x550 [ 58.058243][ T8435] task_work_run+0xdd/0x1a0 [ 58.062961][ T8435] exit_to_user_mode_prepare+0x24a/0x280 [ 58.068595][ T8435] syscall_exit_to_user_mode+0x19/0x60 [ 58.074354][ T8435] do_syscall_64+0x47/0xb0 [ 58.078941][ T8435] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 58.084910][ T8435] RIP: 0033:0x43f109 [ 58.088799][ T8435] 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 [ 58.108541][ T8435] RSP: 002b:00007ffde115a118 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 58.117036][ T8435] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000043f109 [ 58.125885][ T8435] RDX: 000000000043f109 RSI: 0000000000000001 RDI: 0000000000000004 [ 58.133962][ T8435] RBP: 00000000004030f0 R08: 0000000000000000 R09: 0000000000000000 [ 58.141984][ T8435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403180 [ 58.149950][ T8435] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 58.157989][ T8435] Kernel panic - not syncing: panic_on_warn set ... [ 58.164558][ T8435] CPU: 0 PID: 8435 Comm: syz-executor703 Not tainted 5.13.0-rc4-syzkaller #0 [ 58.173296][ T8435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.183517][ T8435] Call Trace: [ 58.186775][ T8435] dump_stack+0x141/0x1d7 [ 58.191103][ T8435] panic+0x306/0x73d [ 58.194993][ T8435] ? __warn_printk+0xf3/0xf3 [ 58.199563][ T8435] ? __warn.cold+0x1a/0x44 [ 58.203958][ T8435] ? io_wqe_enqueue+0x7f6/0x910 [ 58.208790][ T8435] __warn.cold+0x35/0x44 [ 58.213011][ T8435] ? io_wqe_enqueue+0x7f6/0x910 [ 58.217845][ T8435] report_bug+0x1bd/0x210 [ 58.222156][ T8435] handle_bug+0x3c/0x60 [ 58.226304][ T8435] exc_invalid_op+0x14/0x40 [ 58.230785][ T8435] asm_exc_invalid_op+0x12/0x20 [ 58.235612][ T8435] RIP: 0010:io_wqe_enqueue+0x7f6/0x910 [ 58.241052][ T8435] Code: ef e8 4e a5 d8 ff e9 2d f9 ff ff 4c 89 ef e8 41 a5 d8 ff e9 53 f9 ff ff 48 89 ef e8 34 a5 d8 ff e9 9f fa ff ff e8 fa 9e 93 ff <0f> 0b e9 08 fb ff ff 48 8b 7c 24 08 e8 29 a5 d8 ff e9 ca fd ff ff [ 58.260636][ T8435] RSP: 0018:ffffc9000cb17c78 EFLAGS: 00010293 [ 58.266679][ T8435] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.274628][ T8435] RDX: ffff888015de3880 RSI: ffffffff81e13d86 RDI: 0000000000000003 [ 58.282591][ T8435] RBP: ffff88802a622010 R08: 0000000000000000 R09: ffff88802a6220a3 [ 58.290541][ T8435] R10: ffffffff81e1388c R11: 1ffffffff1f34fda R12: ffff88802a622000 [ 58.298501][ T8435] R13: ffff88802a622098 R14: ffff88802a6220e8 R15: 0000000000000000 [ 58.306454][ T8435] ? io_wqe_enqueue+0x2fc/0x910 [ 58.311287][ T8435] ? io_wqe_enqueue+0x7f6/0x910 [ 58.316119][ T8435] ? io_wqe_enqueue+0x7f6/0x910 [ 58.320965][ T8435] io_queue_async_work+0x2d0/0x5f0 [ 58.326059][ T8435] __io_queue_sqe+0x806/0x10f0 [ 58.330804][ T8435] ? io_issue_sqe+0x66b0/0x66b0 [ 58.335632][ T8435] ? lock_downgrade+0x6e0/0x6e0 [ 58.340468][ T8435] __io_req_task_submit+0x103/0x120 [ 58.345645][ T8435] io_async_task_func+0x23e/0x4c0 [ 58.350650][ T8435] tctx_task_work+0x24e/0x550 [ 58.355310][ T8435] task_work_run+0xdd/0x1a0 [ 58.359791][ T8435] exit_to_user_mode_prepare+0x24a/0x280 [ 58.365418][ T8435] syscall_exit_to_user_mode+0x19/0x60 [ 58.370860][ T8435] do_syscall_64+0x47/0xb0 [ 58.375599][ T8435] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 58.381471][ T8435] RIP: 0033:0x43f109 [ 58.385341][ T8435] 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 [ 58.404924][ T8435] RSP: 002b:00007ffde115a118 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 58.413314][ T8435] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000043f109 [ 58.421263][ T8435] RDX: 000000000043f109 RSI: 0000000000000001 RDI: 0000000000000004 [ 58.429211][ T8435] RBP: 00000000004030f0 R08: 0000000000000000 R09: 0000000000000000 [ 58.437158][ T8435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403180 [ 58.445123][ T8435] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 58.459328][ T8435] Kernel Offset: disabled [ 58.463768][ T8435] Rebooting in 86400 seconds..