------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 5838 at fs/buffer.c:1229 __brelse fs/buffer.c:1229 [inline]
WARNING: CPU: 1 PID: 5838 at fs/buffer.c:1229 __brelse+0x6d/0xb0 fs/buffer.c:1223
Modules linked in:
CPU: 1 UID: 0 PID: 5838 Comm: syz-executor238 Not tainted 6.13.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__brelse fs/buffer.c:1229 [inline]
RIP: 0010:__brelse+0x6d/0xb0 fs/buffer.c:1223
Code: 84 d2 75 52 44 8b 63 60 31 ff 44 89 e6 e8 4b 70 79 ff 45 85 e4 75 20 e8 01 6e 79 ff 90 48 c7 c7 e0 04 7f 8b e8 64 b8 39 ff 90 <0f> 0b 90 90 5b 5d 41 5c e9 e6 6d 79 ff e8 e1 6d 79 ff be 04 00 00
RSP: 0018:ffffc900040df950 EFLAGS: 00010086

RAX: 0000000000000000 RBX: ffff88807200f740 RCX: ffffffff815a5159
RDX: ffff888034c08000 RSI: ffffffff815a5166 RDI: 0000000000000001
RBP: ffff88807200f7a0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88807200f740 R14: dffffc0000000000 R15: ffff8880b873ff80
FS:  00007f5f584586c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000331ce000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 brelse include/linux/buffer_head.h:324 [inline]
 __invalidate_bh_lrus fs/buffer.c:1498 [inline]
 invalidate_bh_lru+0xa2/0x190 fs/buffer.c:1511
 csd_do_func kernel/smp.c:134 [inline]
 smp_call_function_many_cond+0xf2d/0x1300 kernel/smp.c:875
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1051
 invalidate_bdev+0x72/0xa0 block/bdev.c:100
 loop_set_status+0x19e/0x700 drivers/block/loop.c:1263
 loop_set_status64 drivers/block/loop.c:1398 [inline]
 lo_ioctl+0x6ec/0x18b0 drivers/block/loop.c:1548
 blkdev_ioctl+0x279/0x6d0 block/ioctl.c:693
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl fs/ioctl.c:892 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5f584a9829
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 1d 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5f58458218 EFLAGS: 00000246
 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5f5852b608 RCX: 00007f5f584a9829
RDX: 00000000200007c0 RSI: 0000000000004c04 RDI: 0000000000000005
RBP: 00007f5f5852b600 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5f584f7904
R13: 00007f5f584f6400 R14: 0032656c69662f2e R15: 6f6f6c2f7665642f
 </TASK>