------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 4459 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline]
WARNING: CPU: 1 PID: 4459 at fs/buffer.c:1145 brelse include/linux/buffer_head.h:326 [inline]
WARNING: CPU: 1 PID: 4459 at fs/buffer.c:1145 __invalidate_bh_lrus fs/buffer.c:1380 [inline]
WARNING: CPU: 1 PID: 4459 at fs/buffer.c:1145 invalidate_bh_lru+0x130/0x220 fs/buffer.c:1393
Modules linked in:
CPU: 1 PID: 4459 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
pstate: 624000c5 (nZCv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __brelse fs/buffer.c:1145 [inline]
pc : brelse include/linux/buffer_head.h:326 [inline]
pc : __invalidate_bh_lrus fs/buffer.c:1380 [inline]
pc : invalidate_bh_lru+0x130/0x220 fs/buffer.c:1393
lr : __brelse fs/buffer.c:1145 [inline]
lr : brelse include/linux/buffer_head.h:326 [inline]
lr : __invalidate_bh_lrus fs/buffer.c:1380 [inline]
lr : invalidate_bh_lru+0x130/0x220 fs/buffer.c:1393
sp : ffff8000210f7830
x29: ffff8000210f7830 x28: 1fffe00033e786dd x27: 0000000000000001
x26: 00000000ffffffff x25: ffff00019f3c36d8 x24: 0000000000000002
x23: dfff800000000000 x22: 0000000000000000 x21: ffff0000e0596888
x20: ffff00019f3c36e8 x19: ffff800011db3060 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011b8ee98 x15: 0000000000000000
x14: 0000000000000001 x13: 1fffe00033e769a3 x12: 0000000000000000
x11: ff00800008195f70 x10: 0000000000000000 x9 : 33e458d7970d1b00
x8 : 33e458d7970d1b00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000210f72b8 x4 : ffff800015464e60 x3 : ffff800008540378
x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000000
Call trace:
 __brelse fs/buffer.c:1145 [inline]
 brelse include/linux/buffer_head.h:326 [inline]
 __invalidate_bh_lrus fs/buffer.c:1380 [inline]
 invalidate_bh_lru+0x130/0x220 fs/buffer.c:1393
 smp_call_function_many_cond+0xd70/0x1404 kernel/smp.c:989
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1165
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1412
 kill_bdev block/bdev.c:75 [inline]
 blkdev_flush_mapping+0x128/0x280 block/bdev.c:681
 blkdev_put_whole block/bdev.c:712 [inline]
 blkdev_put+0x498/0x6b0 block/bdev.c:972
 blkdev_close+0x54/0x94 block/fops.c:514
 __fput+0x1b4/0x7b0 fs/file_table.c:320
 ____fput+0x20/0x30 fs/file_table.c:348
 task_work_run+0x1f4/0x280 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x20f8/0x2c84 arch/arm64/kernel/signal.c:1151
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 12722
hardirqs last  enabled at (12721): [<ffff8000088f49e8>] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:242
hardirqs last disabled at (12722): [<ffff80000840e2d8>] smp_call_function_many_cond+0xd64/0x1404 kernel/smp.c:988
softirqs last  enabled at (12476): [<ffff800008031254>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (12474): [<ffff800008031220>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---