------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 8972 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline]
WARNING: CPU: 0 PID: 8972 at fs/buffer.c:1145 __brelse+0x6b/0xa0 fs/buffer.c:1139
Modules linked in:
CPU: 0 PID: 8972 Comm: syz-executor.5 Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:__brelse fs/buffer.c:1145 [inline]
RIP: 0010:__brelse+0x6b/0xa0 fs/buffer.c:1139
Code: 7c 04 84 d2 75 4e 44 8b 63 60 31 ff 44 89 e6 e8 eb e9 92 ff 45 85 e4 75 1c e8 31 ed 92 ff 48 c7 c7 e0 2e 5c 8a e8 5f 3d d1 07 <0f> 0b 5b 5d 41 5c e9 1a ed 92 ff e8 15 ed 92 ff be 04 00 00 00 48
RSP: 0018:ffffc90015c1f8d0 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffff88807662fd98 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff816680ec RDI: fffff52002b83f0c
RBP: ffff88807662fdf8 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000002 R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880b9837380 R15: dffffc0000000000
FS:  00007f595f86f700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8fd9fc4300 CR3: 0000000026b85000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 brelse include/linux/buffer_head.h:326 [inline]
 __invalidate_bh_lrus fs/buffer.c:1380 [inline]
 invalidate_bh_lru+0x9d/0x160 fs/buffer.c:1393
 smp_call_function_many_cond+0xe28/0x10a0 kernel/smp.c:978
 on_each_cpu_cond_mask+0x5a/0xa0 kernel/smp.c:1155
 invalidate_bdev+0x95/0xd0 block/bdev.c:85
 invalidate_disk+0x41/0x1c0 block/genhd.c:693
 __loop_clr_fd+0x250/0x8a0 drivers/block/loop.c:1164
 loop_clr_fd drivers/block/loop.c:1257 [inline]
 lo_ioctl+0x636/0x1990 drivers/block/loop.c:1563
 blkdev_ioctl+0x375/0x800 block/ioctl.c:616
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
 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: 0033:0x7f595ea8beb7
Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 c4 57 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f595f86ef88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000bf0 RCX: 00007f595ea8beb7
RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000004
RBP: 00007f595f86f6b8 R08: 00007f595f86f020 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000016 R14: 00007f595f86efe0 R15: 00000000200005c0
 </TASK>