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WARNING: CPU: 1 PID: 603 at fs/io_uring.c:9097 io_uring_flush+0x3a1/0x450 fs/io_uring.c:9096
Modules linked in:
CPU: 1 PID: 603 Comm: syz-executor.5 Not tainted 5.11.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:io_uring_flush+0x3a1/0x450 fs/io_uring.c:9096
Code: 5f 5d c3 e8 b1 71 95 ff 43 80 7c 35 00 00 0f 85 25 ff ff ff e9 28 ff ff ff e8 9b 71 95 ff 0f 0b e9 39 fd ff ff e8 8f 71 95 ff <0f> 0b e9 0e fe ff ff e8 83 71 95 ff 0f 0b e9 35 fe ff ff 89 e9 80
RSP: 0000:ffffc90016897900 EFLAGS: 00010293
RAX: ffffffff81e7aaf1 RBX: ffff8880242e8000 RCX: ffff88806ffb5340
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff11004e7c81a R08: dffffc0000000000 R09: fffffbfff1ae7256
R10: fffffbfff1ae7256 R11: 0000000000000000 R12: ffff8880273e40d0
R13: 1ffff1100dff6b5d R14: dffffc0000000000 R15: ffff88806ffb5ae8
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000400200 CR3: 00000000626a1000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 filp_close+0xad/0x150 fs/open.c:1280
 close_files fs/file.c:401 [inline]
 put_files_struct+0x1d1/0x360 fs/file.c:416
 do_exit+0x754/0x2490 kernel/exit.c:820
 do_group_exit+0x168/0x2d0 kernel/exit.c:922
 get_signal+0x16b5/0x2030 kernel/signal.c:2770
 arch_do_signal_or_restart+0x8e/0x6a0 arch/x86/kernel/signal.c:811
 handle_signal_work kernel/entry/common.c:147 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0xac/0x1e0 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x48/0x190 kernel/entry/common.c:302
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e219
Code: Unable to access opcode bytes at RIP 0x45e1ef.
RSP: 002b:00007f168269bcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 000000000119c030 RCX: 000000000045e219
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000119c030
RBP: 000000000119c028 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119c034
R13: 00007fff029c134f R14: 00007f168269c9c0 R15: 000000000119c034