Warning: Permanently added '10.128.0.237' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 88.097675][ T37] audit: type=1400 audit(1622798987.611:8): avc: denied { execmem } for pid=8449 comm="syz-executor412" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 88.166564][ T8450] ------------[ cut here ]------------ [ 88.172428][ T8450] WARNING: CPU: 0 PID: 8450 at fs/io-wq.c:244 io_wqe_enqueue+0x7f6/0x910 [ 88.181622][ T8450] Modules linked in: [ 88.185540][ T8450] CPU: 1 PID: 8450 Comm: syz-executor412 Not tainted 5.13.0-rc4-syzkaller #0 [ 88.195573][ T8450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.206079][ T8450] RIP: 0010:io_wqe_enqueue+0x7f6/0x910 [ 88.211709][ T8450] Code: ef e8 3e a3 d8 ff e9 2d f9 ff ff 4c 89 ef e8 31 a3 d8 ff e9 53 f9 ff ff 48 89 ef e8 24 a3 d8 ff e9 9f fa ff ff e8 aa 1a 94 ff <0f> 0b e9 08 fb ff ff 48 8b 7c 24 08 e8 19 a3 d8 ff e9 ca fd ff ff [ 88.231532][ T8450] RSP: 0018:ffffc90001887c78 EFLAGS: 00010293 [ 88.237612][ T8450] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 88.245643][ T8450] RDX: ffff888018b54040 RSI: ffffffff81dff6b6 RDI: 0000000000000003 [ 88.253770][ T8450] RBP: ffff888023b88010 R08: 0000000000000000 R09: ffff888023b880a3 [ 88.261926][ T8450] R10: ffffffff81dff1bc R11: 0000000000000000 R12: ffff888023b88000 [ 88.270055][ T8450] R13: ffff888023b88098 R14: ffff888023b880e8 R15: 0000000000000000 [ 88.278138][ T8450] FS: 00000000008cd300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 88.287151][ T8450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.293843][ T8450] CR2: 0000000000411b30 CR3: 0000000016b11000 CR4: 00000000001506e0 [ 88.302118][ T8450] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.310218][ T8450] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.318214][ T8450] Call Trace: [ 88.321683][ T8450] io_queue_async_work+0x2d0/0x5f0 [ 88.326940][ T8450] __io_queue_sqe+0x806/0x10f0 [ 88.331824][ T8450] ? io_issue_sqe+0x66b0/0x66b0 [ 88.336692][ T8450] ? lock_downgrade+0x6e0/0x6e0 [ 88.341663][ T8450] __io_req_task_submit+0x103/0x120 [ 88.346881][ T8450] io_async_task_func+0x23e/0x4c0 [ 88.352189][ T8450] tctx_task_work+0x24e/0x550 [ 88.356877][ T8450] task_work_run+0xdd/0x1a0 [ 88.361454][ T8450] exit_to_user_mode_prepare+0x24a/0x280 [ 88.367209][ T8450] syscall_exit_to_user_mode+0x19/0x60 [ 88.372805][ T8450] do_syscall_64+0x47/0xb0 [ 88.377234][ T8450] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.383202][ T8450] RIP: 0033:0x43f969 [ 88.387141][ T8450] Code: 28 c3 e8 1a 15 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 [ 88.407060][ T8450] RSP: 002b:00007ffffffee318 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 88.415610][ T8450] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000043f969 [ 88.423677][ T8450] RDX: 000000000043f969 RSI: 0000000000000001 RDI: 0000000000000004 [ 88.432008][ T8450] RBP: 00007ffffffee338 R08: 0000000000000000 R09: 0000000000000000 [ 88.440174][ T8450] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffffffee340 [ 88.448168][ T8450] R13: 0000000000000000 R14: 00000000004ae018 R15: 0000000000400488 [ 88.456464][ T8450] Kernel panic - not syncing: panic_on_warn set ... [ 88.463169][ T8450] CPU: 1 PID: 8450 Comm: syz-executor412 Not tainted 5.13.0-rc4-syzkaller #0 [ 88.471922][ T8450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.481972][ T8450] Call Trace: [ 88.485361][ T8450] dump_stack+0x141/0x1d7 [ 88.489914][ T8450] panic+0x306/0x73d [ 88.493826][ T8450] ? __warn_printk+0xf3/0xf3 [ 88.498407][ T8450] ? __warn.cold+0x1a/0x44 [ 88.502813][ T8450] ? io_wqe_enqueue+0x7f6/0x910 [ 88.507653][ T8450] __warn.cold+0x35/0x44 [ 88.511886][ T8450] ? io_wqe_enqueue+0x7f6/0x910 [ 88.516881][ T8450] report_bug+0x1bd/0x210 [ 88.521236][ T8450] handle_bug+0x3c/0x60 [ 88.525410][ T8450] exc_invalid_op+0x14/0x40 [ 88.530206][ T8450] asm_exc_invalid_op+0x12/0x20 [ 88.535063][ T8450] RIP: 0010:io_wqe_enqueue+0x7f6/0x910 [ 88.540517][ T8450] Code: ef e8 3e a3 d8 ff e9 2d f9 ff ff 4c 89 ef e8 31 a3 d8 ff e9 53 f9 ff ff 48 89 ef e8 24 a3 d8 ff e9 9f fa ff ff e8 aa 1a 94 ff <0f> 0b e9 08 fb ff ff 48 8b 7c 24 08 e8 19 a3 d8 ff e9 ca fd ff ff [ 88.560122][ T8450] RSP: 0018:ffffc90001887c78 EFLAGS: 00010293 [ 88.566189][ T8450] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 88.574151][ T8450] RDX: ffff888018b54040 RSI: ffffffff81dff6b6 RDI: 0000000000000003 [ 88.582204][ T8450] RBP: ffff888023b88010 R08: 0000000000000000 R09: ffff888023b880a3 [ 88.590171][ T8450] R10: ffffffff81dff1bc R11: 0000000000000000 R12: ffff888023b88000 [ 88.598134][ T8450] R13: ffff888023b88098 R14: ffff888023b880e8 R15: 0000000000000000 [ 88.606110][ T8450] ? io_wqe_enqueue+0x2fc/0x910 [ 88.611105][ T8450] ? io_wqe_enqueue+0x7f6/0x910 [ 88.615946][ T8450] ? io_wqe_enqueue+0x7f6/0x910 [ 88.620785][ T8450] io_queue_async_work+0x2d0/0x5f0 [ 88.625894][ T8450] __io_queue_sqe+0x806/0x10f0 [ 88.630666][ T8450] ? io_issue_sqe+0x66b0/0x66b0 [ 88.635534][ T8450] ? lock_downgrade+0x6e0/0x6e0 [ 88.640387][ T8450] __io_req_task_submit+0x103/0x120 [ 88.645581][ T8450] io_async_task_func+0x23e/0x4c0 [ 88.650595][ T8450] tctx_task_work+0x24e/0x550 [ 88.655264][ T8450] task_work_run+0xdd/0x1a0 [ 88.659760][ T8450] exit_to_user_mode_prepare+0x24a/0x280 [ 88.665399][ T8450] syscall_exit_to_user_mode+0x19/0x60 [ 88.670967][ T8450] do_syscall_64+0x47/0xb0 [ 88.675376][ T8450] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.681265][ T8450] RIP: 0033:0x43f969 [ 88.685144][ T8450] Code: 28 c3 e8 1a 15 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 [ 88.705719][ T8450] RSP: 002b:00007ffffffee318 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 88.714259][ T8450] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000043f969 [ 88.722242][ T8450] RDX: 000000000043f969 RSI: 0000000000000001 RDI: 0000000000000004 [ 88.730299][ T8450] RBP: 00007ffffffee338 R08: 0000000000000000 R09: 0000000000000000 [ 88.738266][ T8450] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffffffee340 [ 88.746378][ T8450] R13: 0000000000000000 R14: 00000000004ae018 R15: 0000000000400488 [ 88.755373][ T8450] Kernel Offset: disabled [ 88.759787][ T8450] Rebooting in 86400 seconds..