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WARNING: CPU: 1 PID: 3465 at fs/io_uring.c:9096 io_uring_flush+0x29d/0x310 fs/io_uring.c:9084
Modules linked in:
CPU: 1 PID: 3465 Comm: syz-executor900 Not tainted 5.11.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:io_uring_flush+0x29d/0x310 fs/io_uring.c:9096
Code: ff ff 5b 31 c0 5d 41 5c 41 5d 41 5e 41 5f c3 49 c7 84 24 a0 00 00 00 00 00 00 00 e9 ee fe ff ff e8 f8 85 e2 ff e9 0c fe ff ff <0f> 0b e9 6d ff ff ff e8 f7 85 e2 ff e9 8a fd ff ff 4c 89 e7 e8 ea
RSP: 0018:ffffc900051c7af8 EFLAGS: 00010297
RAX: 0000000000000001 RBX: ffff88801969f000 RCX: ffffc900051c79c0
RDX: 1ffff110281e3bba RSI: ffffffff888afd80 RDI: ffffffff88ddbc20
RBP: ffff88804be9a500 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801969f040
R13: ffff888028f3dc00 R14: ffff88801969f0d0 R15: ffff888050c35600
FS:  0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa991a7c000 CR3: 0000000010b23000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 filp_close+0x96/0x120 fs/open.c:1280
 close_files fs/file.c:401 [inline]
 put_files_struct fs/file.c:416 [inline]
 put_files_struct+0x15c/0x2c0 fs/file.c:413
 do_exit+0xa5b/0x2570 kernel/exit.c:820
 do_group_exit+0xe7/0x290 kernel/exit.c:922
 get_signal+0x333/0x1bd0 kernel/signal.c:2770
 arch_do_signal_or_restart+0x2a8/0x1eb0 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+0x148/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x445929
Code: Unable to access opcode bytes at RIP 0x4458ff.
RSP: 002b:00007f68959b8308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00000000004ca408 RCX: 0000000000445929
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004ca408
RBP: 00000000004ca400 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004ca40c
R13: 0000000000000003 R14: 00007f68959b8400 R15: 0000000000022000