Warning: Permanently added '10.128.0.96' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 73.938588][ T8441] ------------[ cut here ]------------ [ 73.944379][ T8441] WARNING: CPU: 0 PID: 8441 at fs/io-wq.c:244 io_wqe_enqueue+0x7f6/0x910 [ 73.953769][ T8441] Modules linked in: [ 73.957930][ T8441] CPU: 1 PID: 8441 Comm: syz-executor439 Not tainted 5.13.0-rc4-syzkaller #0 [ 73.967050][ T8441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.977307][ T8441] RIP: 0010:io_wqe_enqueue+0x7f6/0x910 [ 73.982813][ T8441] 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 [ 74.002922][ T8441] RSP: 0018:ffffc9000c757c78 EFLAGS: 00010293 [ 74.009187][ T8441] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.017260][ T8441] RDX: ffff888023993880 RSI: ffffffff81e13d86 RDI: 0000000000000003 [ 74.025448][ T8441] RBP: ffff8880151a8010 R08: 0000000000000000 R09: ffff8880151a80a3 [ 74.033622][ T8441] R10: ffffffff81e1388c R11: 1ffffffff1f35027 R12: ffff8880151a8000 [ 74.041790][ T8441] R13: ffff8880151a8098 R14: ffff8880151a80e8 R15: 0000000000000000 [ 74.050557][ T8441] FS: 0000000001a42300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 74.059863][ T8441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.068548][ T8441] CR2: 00007ff44ba9b6c0 CR3: 0000000017489000 CR4: 00000000001506e0 [ 74.077002][ T8441] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.085394][ T8441] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.093764][ T8441] Call Trace: [ 74.097179][ T8441] io_queue_async_work+0x2d0/0x5f0 [ 74.102457][ T8441] __io_queue_sqe+0x806/0x10f0 [ 74.107449][ T8441] ? io_issue_sqe+0x66b0/0x66b0 [ 74.112807][ T8441] ? lock_downgrade+0x6e0/0x6e0 [ 74.118148][ T8441] __io_req_task_submit+0x103/0x120 [ 74.123528][ T8441] io_async_task_func+0x23e/0x4c0 [ 74.129254][ T8441] tctx_task_work+0x24e/0x550 [ 74.133977][ T8441] task_work_run+0xdd/0x1a0 [ 74.138579][ T8441] exit_to_user_mode_prepare+0x24a/0x280 [ 74.144643][ T8441] syscall_exit_to_user_mode+0x19/0x60 [ 74.150251][ T8441] do_syscall_64+0x47/0xb0 [ 74.154964][ T8441] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.161383][ T8441] RIP: 0033:0x43f109 [ 74.165480][ T8441] 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 [ 74.185674][ T8441] RSP: 002b:00007ffce9f17918 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 74.194182][ T8441] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000043f109 [ 74.202365][ T8441] RDX: 000000000043f109 RSI: 0000000000000001 RDI: 0000000000000004 [ 74.210459][ T8441] RBP: 00000000004030f0 R08: 0000000000000000 R09: 0000000000000000 [ 74.218634][ T8441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403180 [ 74.226768][ T8441] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 74.234769][ T8441] Kernel panic - not syncing: panic_on_warn set ... [ 74.241520][ T8441] CPU: 1 PID: 8441 Comm: syz-executor439 Not tainted 5.13.0-rc4-syzkaller #0 [ 74.250540][ T8441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.260592][ T8441] Call Trace: [ 74.263865][ T8441] dump_stack+0x141/0x1d7 [ 74.268372][ T8441] panic+0x306/0x73d [ 74.272259][ T8441] ? __warn_printk+0xf3/0xf3 [ 74.276848][ T8441] ? __warn.cold+0x1a/0x44 [ 74.281260][ T8441] ? io_wqe_enqueue+0x7f6/0x910 [ 74.286209][ T8441] __warn.cold+0x35/0x44 [ 74.290464][ T8441] ? io_wqe_enqueue+0x7f6/0x910 [ 74.295306][ T8441] report_bug+0x1bd/0x210 [ 74.299631][ T8441] handle_bug+0x3c/0x60 [ 74.303777][ T8441] exc_invalid_op+0x14/0x40 [ 74.308273][ T8441] asm_exc_invalid_op+0x12/0x20 [ 74.313113][ T8441] RIP: 0010:io_wqe_enqueue+0x7f6/0x910 [ 74.318583][ T8441] 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 [ 74.338367][ T8441] RSP: 0018:ffffc9000c757c78 EFLAGS: 00010293 [ 74.344426][ T8441] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 74.352483][ T8441] RDX: ffff888023993880 RSI: ffffffff81e13d86 RDI: 0000000000000003 [ 74.360443][ T8441] RBP: ffff8880151a8010 R08: 0000000000000000 R09: ffff8880151a80a3 [ 74.368405][ T8441] R10: ffffffff81e1388c R11: 1ffffffff1f35027 R12: ffff8880151a8000 [ 74.376370][ T8441] R13: ffff8880151a8098 R14: ffff8880151a80e8 R15: 0000000000000000 [ 74.384424][ T8441] ? io_wqe_enqueue+0x2fc/0x910 [ 74.389272][ T8441] ? io_wqe_enqueue+0x7f6/0x910 [ 74.394131][ T8441] ? io_wqe_enqueue+0x7f6/0x910 [ 74.398983][ T8441] io_queue_async_work+0x2d0/0x5f0 [ 74.404108][ T8441] __io_queue_sqe+0x806/0x10f0 [ 74.408872][ T8441] ? io_issue_sqe+0x66b0/0x66b0 [ 74.413719][ T8441] ? lock_downgrade+0x6e0/0x6e0 [ 74.418573][ T8441] __io_req_task_submit+0x103/0x120 [ 74.423769][ T8441] io_async_task_func+0x23e/0x4c0 [ 74.428789][ T8441] tctx_task_work+0x24e/0x550 [ 74.433482][ T8441] task_work_run+0xdd/0x1a0 [ 74.438084][ T8441] exit_to_user_mode_prepare+0x24a/0x280 [ 74.443840][ T8441] syscall_exit_to_user_mode+0x19/0x60 [ 74.449473][ T8441] do_syscall_64+0x47/0xb0 [ 74.453900][ T8441] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 74.460026][ T8441] RIP: 0033:0x43f109 [ 74.463937][ T8441] 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 [ 74.483627][ T8441] RSP: 002b:00007ffce9f17918 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 74.492051][ T8441] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000043f109 [ 74.500010][ T8441] RDX: 000000000043f109 RSI: 0000000000000001 RDI: 0000000000000004 [ 74.508083][ T8441] RBP: 00000000004030f0 R08: 0000000000000000 R09: 0000000000000000 [ 74.516056][ T8441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403180 [ 74.524115][ T8441] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 74.533632][ T8441] Kernel Offset: disabled [ 74.538236][ T8441] Rebooting in 86400 seconds..