syzbot

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WARNING: CPU: 1 PID: 5080 at block/bdev.c:845 blkdev_put+0x6ca/0x770 block/bdev.c:845
Modules linked in:
CPU: 1 PID: 5080 Comm: syz-executor158 Not tainted 6.2.0-rc8-next-20230220-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
RIP: 0010:blkdev_put+0x6ca/0x770 block/bdev.c:845
Code: 48 8b 3c 24 e8 b7 7c da fd e9 99 fa ff ff e8 8d 7c da fd e9 cf fb ff ff 4c 89 ff e8 80 7c da fd e9 80 fd ff ff e8 e6 ea 88 fd <0f> 0b e9 ef fc ff ff e8 8a 7c da fd e9 f3 fa ff ff 48 8b 3c 24 e8
RSP: 0018:ffffc90003cefc88 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888144c49600 RCX: 0000000000000000
RDX: ffff88807c2f8000 RSI: ffffffff83fbb8da RDI: 0000000000000005
RBP: ffff888146bc0000 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000000 R12: 00000000484e009f
R13: ffff888144c49628 R14: ffff888146bc0460 R15: ffff888144c49ab8
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb645428948 CR3: 000000000c571000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 blkdev_close+0x68/0x80 block/fops.c:507
 __fput+0x27c/0xa90 fs/file_table.c:321
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xb42/0x2b60 kernel/exit.c:869
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1028
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb6453e4639
Code: Unable to access opcode bytes at 0x7fb6453e460f.
RSP: 002b:00007ffcfacb3ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fb645458270 RCX: 00007fb6453e4639
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb645458270
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>