Warning: Permanently added '10.128.0.243' (ECDSA) to the list of known hosts. executing program [ 80.607433][ T8426] general protection fault, probably for non-canonical address 0xdffffc0000000010: 0000 [#1] PREEMPT SMP KASAN [ 80.619291][ T8426] KASAN: null-ptr-deref in range [0x0000000000000080-0x0000000000000087] [ 80.627775][ T8426] CPU: 1 PID: 8426 Comm: syz-executor497 Not tainted 5.14.0-syzkaller #0 [ 80.636257][ T8426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.646699][ T8426] RIP: 0010:io_issue_sqe+0x2522/0x6ba0 [ 80.652158][ T8426] Code: 48 c1 ea 03 80 3c 02 00 0f 85 66 42 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 27 49 8d bc 24 80 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 47 42 00 00 45 8b ac 24 80 00 [ 80.673234][ T8426] RSP: 0018:ffffc900010dfb48 EFLAGS: 00010202 [ 80.679291][ T8426] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 80.687347][ T8426] RDX: 0000000000000010 RSI: ffffffff81e2c2cd RDI: 0000000000000080 [ 80.695318][ T8426] RBP: ffff888016a5179c R08: 0000000000000000 R09: ffffffff81e29ff8 [ 80.703284][ T8426] R10: ffffffff81e2c2bf R11: 000000000000000d R12: 0000000000000000 [ 80.711426][ T8426] R13: 1ffff11002d4a2f9 R14: 0000000000000003 R15: ffff888016a51780 [ 80.719470][ T8426] FS: 0000000000675300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 80.728565][ T8426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.735235][ T8426] CR2: 00007f74bb07a6c0 CR3: 0000000026e49000 CR4: 00000000001506e0 [ 80.743290][ T8426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.751242][ T8426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.759289][ T8426] Call Trace: [ 80.762665][ T8426] ? __do_sys_io_uring_enter+0xf59/0x1f00 [ 80.768474][ T8426] ? lock_downgrade+0x6e0/0x6e0 [ 80.774176][ T8426] ? io_write+0xed0/0xed0 [ 80.779109][ T8426] ? rcu_read_lock_sched_held+0xd/0x70 [ 80.784565][ T8426] ? lock_acquire+0x442/0x510 [ 80.789252][ T8426] ? rcu_read_lock_sched_held+0xd/0x70 [ 80.794694][ T8426] ? lock_acquire+0x442/0x510 [ 80.799366][ T8426] ? lock_release+0x720/0x720 [ 80.804048][ T8426] ? wait_for_completion_io+0x280/0x280 [ 80.809610][ T8426] ? percpu_ref_put_many+0x14c/0x260 [ 80.814895][ T8426] ? lock_downgrade+0x6e0/0x6e0 [ 80.819837][ T8426] __io_queue_sqe+0x90/0xb50 [ 80.824777][ T8426] ? lock_acquire+0x442/0x510 [ 80.829818][ T8426] ? rcu_read_lock_sched_held+0xd/0x70 [ 80.835803][ T8426] ? io_issue_sqe+0x6ba0/0x6ba0 [ 80.840643][ T8426] ? tctx_task_work+0x11e/0x610 [ 80.845476][ T8426] ? lock_downgrade+0x6e0/0x6e0 [ 80.850548][ T8426] ? ww_mutex_unlock+0x2f0/0x2f0 [ 80.855586][ T8426] ? rwlock_bug.part.0+0x90/0x90 [ 80.860510][ T8426] io_req_task_submit+0xbf/0x1b0 [ 80.865432][ T8426] tctx_task_work+0x166/0x610 [ 80.870182][ T8426] ? io_fallback_req_func+0x3e0/0x3e0 [ 80.875537][ T8426] ? rwlock_bug.part.0+0x90/0x90 [ 80.880469][ T8426] ? lock_downgrade+0x6d1/0x6e0 [ 80.885303][ T8426] task_work_run+0xdd/0x1a0 [ 80.889822][ T8426] exit_to_user_mode_prepare+0x256/0x290 [ 80.895440][ T8426] syscall_exit_to_user_mode+0x19/0x60 [ 80.901055][ T8426] do_syscall_64+0x42/0xb0 [ 80.905497][ T8426] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 80.911475][ T8426] RIP: 0033:0x43f069 [ 80.915350][ T8426] 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 [ 80.935024][ T8426] RSP: 002b:00007ffc12dd2538 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa [ 80.943853][ T8426] RAX: 0000000000000304 RBX: 0000000000000003 RCX: 000000000043f069 [ 80.951805][ T8426] RDX: 0000000000000000 RSI: 0000000000000304 RDI: 0000000000000003 [ 80.959761][ T8426] RBP: 0000000000403050 R08: 0000000000000000 R09: 0000000000000000 [ 80.967714][ T8426] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004030e0 [ 80.975671][ T8426] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 80.983713][ T8426] Modules linked in: [ 80.989308][ T8426] ---[ end trace 51fb6b52dc1cb8ce ]--- [ 80.994822][ T8426] RIP: 0010:io_issue_sqe+0x2522/0x6ba0 [ 81.000328][ T8426] Code: 48 c1 ea 03 80 3c 02 00 0f 85 66 42 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 27 49 8d bc 24 80 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 47 42 00 00 45 8b ac 24 80 00 [ 81.020062][ T8426] RSP: 0018:ffffc900010dfb48 EFLAGS: 00010202 [ 81.026210][ T8426] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 81.035569][ T8426] RDX: 0000000000000010 RSI: ffffffff81e2c2cd RDI: 0000000000000080 [ 81.043576][ T8426] RBP: ffff888016a5179c R08: 0000000000000000 R09: ffffffff81e29ff8 [ 81.051997][ T8426] R10: ffffffff81e2c2bf R11: 000000000000000d R12: 0000000000000000 [ 81.060002][ T8426] R13: 1ffff11002d4a2f9 R14: 0000000000000003 R15: ffff888016a51780 [ 81.068083][ T8426] FS: 0000000000675300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 81.077062][ T8426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.083807][ T8426] CR2: 00007f544adff000 CR3: 0000000026e49000 CR4: 00000000001506f0 [ 81.092224][ T8426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.100226][ T8426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.108410][ T8426] Kernel panic - not syncing: Fatal exception [ 81.116144][ T8426] Kernel Offset: disabled [ 81.120658][ T8426] Rebooting in 86400 seconds..