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WARNING: CPU: 0 PID: 4454 at fs/io_uring.c:9131 io_uring_flush+0x326/0x3a0 fs/io_uring.c:9131
Modules linked in:
CPU: 0 PID: 4454 Comm: syz-executor.5 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_uring_flush+0x326/0x3a0 fs/io_uring.c:9131
Code: e9 58 fe ff ff e8 3a df 9a ff 49 c7 84 24 a0 00 00 00 00 00 00 00 e9 aa fe ff ff e8 74 9f dd ff e9 91 fd ff ff e8 1a df 9a ff <0f> 0b e9 51 ff ff ff e8 6e 9f dd ff e9 06 fd ff ff 4c 89 f7 e8 61
RSP: 0018:ffffc900030cfce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888014ecb780 RSI: ffffffff81d7e1d6 RDI: 0000000000000003
RBP: ffff888022449400 R08: 0000000000000000 R09: 00000000190a2c01
R10: ffffffff81d7e125 R11: 0000000000000000 R12: ffff888025d3f000
R13: ffff8880190a2c01 R14: ffff888025d3f040 R15: ffff888025d3f0d0
FS:  0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000400200 CR3: 0000000017fbe000 CR4: 0000000000350ef0
Call Trace:
 filp_close+0xb4/0x170 fs/open.c:1280
 close_files fs/file.c:401 [inline]
 put_files_struct fs/file.c:416 [inline]
 put_files_struct+0x1cc/0x350 fs/file.c:413
 exit_files+0x7e/0xa0 fs/file.c:433
 do_exit+0xc22/0x2ae0 kernel/exit.c:820
 do_group_exit+0x125/0x310 kernel/exit.c:922
 __do_sys_exit_group kernel/exit.c:933 [inline]
 __se_sys_exit_group kernel/exit.c:931 [inline]
 __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:931
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e219
Code: Unable to access opcode bytes at RIP 0x45e1ef.
RSP: 002b:00007f2190702c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000045e219
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000119bfb0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffcbbd288cf R14: 00007f21907039c0 R15: 000000000119bf8c