------------[ cut here ]------------ WARNING: CPU: 0 PID: 20281 at fs/io_uring.c:8917 io_disable_sqo_submit+0x13d/0x180 fs/io_uring.c:8917 Modules linked in: CPU: 0 PID: 20281 Comm: syz-executor.3 Not tainted 5.11.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:io_disable_sqo_submit+0x13d/0x180 fs/io_uring.c:8917 Code: e0 07 83 c0 03 38 d0 7c 04 84 d2 75 2e 83 8b 14 01 00 00 01 4c 89 e7 e8 c1 4b 25 07 5b 5d 41 5c e9 58 21 9b ff e8 53 21 9b ff <0f> 0b e9 00 ff ff ff e8 37 a0 dd ff e9 37 ff ff ff e8 fd 9f dd ff RSP: 0018:ffffc9001955fdf8 EFLAGS: 00010212 RAX: 00000000000000a3 RBX: ffff88802b132000 RCX: ffffc9000f592000 RDX: 0000000000040000 RSI: ffffffff81d7aabd RDI: ffff88802b1320d0 RBP: ffff88802dae4cc0 R08: 0000000000000000 R09: 00000000171ad401 R10: ffffffff81d7ad75 R11: 0000000000000001 R12: ffff88802b132000 R13: ffff8880171ad401 R14: ffff88802b132040 R15: ffff88802b1320d0 FS: 00007f0630f1f700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016b9e60 CR3: 0000000026eed000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: io_uring_flush+0x28b/0x3a0 fs/io_uring.c:9134 filp_close+0xb4/0x170 fs/open.c:1280 do_dup2+0x294/0x520 fs/file.c:1024 ksys_dup3+0x22f/0x360 fs/file.c:1136 __do_sys_dup3 fs/file.c:1147 [inline] __se_sys_dup3 fs/file.c:1145 [inline] __x64_sys_dup3+0x6f/0xb0 fs/file.c:1145 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e219 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f0630f1ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000124 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 000000000119c068 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119c034 R13: 00007ffebd497fdf R14: 00007f0630f1f9c0 R15: 000000000119c034