------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 6243 at fs/buffer.c:1235 __brelse fs/buffer.c:1235 [inline]
WARNING: CPU: 1 PID: 6243 at fs/buffer.c:1235 brelse include/linux/buffer_head.h:309 [inline]
WARNING: CPU: 1 PID: 6243 at fs/buffer.c:1235 __invalidate_bh_lrus fs/buffer.c:1487 [inline]
WARNING: CPU: 1 PID: 6243 at fs/buffer.c:1235 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1500
Modules linked in:
CPU: 1 PID: 6243 Comm: udevd Not tainted 6.9.0-rc3-syzkaller-gb5d2afe8745b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __brelse fs/buffer.c:1235 [inline]
pc : brelse include/linux/buffer_head.h:309 [inline]
pc : __invalidate_bh_lrus fs/buffer.c:1487 [inline]
pc : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1500
lr : __brelse fs/buffer.c:1235 [inline]
lr : brelse include/linux/buffer_head.h:309 [inline]
lr : __invalidate_bh_lrus fs/buffer.c:1487 [inline]
lr : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1500
sp : ffff800099ad7970
x29: ffff800099ad7970 x28: ffff800080c325a4 x27: 0000000000000000
x26: 0000000000000001 x25: 00000000ffffffff x24: ffff0001b3e00fd0
x23: 0000000000000010 x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000db9c9230 x19: ffff80008b0bba00 x18: 0000000000000008
x17: 0000000000000000 x16: ffff80008ae71340 x15: 0000000000000001
x14: 1fffe000367be202 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000004 x10: 0000000000ff0100 x9 : 261a81ae39b05c00
x8 : 261a81ae39b05c00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800099ad70d8 x4 : ffff80008ef65060 x3 : ffff8000805e9200
x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000000
Call trace:
 __brelse fs/buffer.c:1235 [inline]
 brelse include/linux/buffer_head.h:309 [inline]
 __invalidate_bh_lrus fs/buffer.c:1487 [inline]
 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1500
 csd_do_func kernel/smp.c:133 [inline]
 smp_call_function_many_cond+0x142c/0x2f6c kernel/smp.c:846
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1023
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1519
 kill_bdev block/bdev.c:84 [inline]
 blkdev_flush_mapping+0x128/0x280 block/bdev.c:644
 blkdev_put_whole block/bdev.c:675 [inline]
 bdev_release+0x4c8/0x64c block/bdev.c:1066
 blkdev_release+0x20/0x34 block/fops.c:628
 __fput+0x30c/0x738 fs/file_table.c:422
 __fput_sync+0x60/0x9c fs/file_table.c:507
 __do_sys_close fs/open.c:1556 [inline]
 __se_sys_close fs/open.c:1541 [inline]
 __arm64_sys_close+0x150/0x1e0 fs/open.c:1541
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 418404
hardirqs last  enabled at (418403): [<ffff800080a4f89c>] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234
hardirqs last disabled at (418404): [<ffff8000804a46e0>] smp_call_function_many_cond+0x1344/0x2f6c kernel/smp.c:845
softirqs last  enabled at (417516): [<ffff800080031848>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (417514): [<ffff800080031814>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
udevd[6243]: inotify_add_watch(7, /dev/loop2p2, 10) failed: No such file or directory