------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 6425 at fs/buffer.c:1229 __brelse fs/buffer.c:1229 [inline]
WARNING: CPU: 0 PID: 6425 at fs/buffer.c:1229 brelse include/linux/buffer_head.h:324 [inline]
WARNING: CPU: 0 PID: 6425 at fs/buffer.c:1229 __invalidate_bh_lrus fs/buffer.c:1498 [inline]
WARNING: CPU: 0 PID: 6425 at fs/buffer.c:1229 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1511
Modules linked in:
CPU: 0 UID: 0 PID: 6425 Comm: syz-executor Tainted: G        W          6.13.0-rc6-syzkaller-g6251d1776bc5 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __brelse fs/buffer.c:1229 [inline]
pc : brelse include/linux/buffer_head.h:324 [inline]
pc : __invalidate_bh_lrus fs/buffer.c:1498 [inline]
pc : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1511
lr : __brelse fs/buffer.c:1229 [inline]
lr : brelse include/linux/buffer_head.h:324 [inline]
lr : __invalidate_bh_lrus fs/buffer.c:1498 [inline]
lr : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1511
sp : ffff8000a4547920
x29: ffff8000a4547920 x28: ffff80008f99d600 x27: 1fffe0001d20e3ca
x26: 0000000000000001 x25: 00000000ffffffff x24: ffff0001b37f3998
x23: 0000000000000028 x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000f08665d0 x19: ffff80008b842120 x18: 0000000000000008
x17: 0000000000000000 x16: ffff8000832776d4 x15: 0000000000000001
x14: 1fffe000366fc6ea x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000004 x10: 0000000000ff0100 x9 : c54a107e94f50b00
x8 : c54a107e94f50b00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000a4547058 x4 : ffff80008fa90460 x3 : ffff80008073e590
x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000000
Call trace:
 __brelse fs/buffer.c:1229 [inline] (P)
 brelse include/linux/buffer_head.h:324 [inline] (P)
 __invalidate_bh_lrus fs/buffer.c:1498 [inline] (P)
 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1511 (P)
 csd_do_func kernel/smp.c:134 [inline]
 smp_call_function_many_cond+0x169c/0x32a8 kernel/smp.c:875
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1051
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1530
 kill_bdev block/bdev.c:90 [inline]
 blkdev_flush_mapping+0xf0/0x258 block/bdev.c:670
 blkdev_put_whole block/bdev.c:677 [inline]
 bdev_release+0x4bc/0x644 block/bdev.c:1102
 blkdev_release+0x20/0x34 block/fops.c:635
 __fput+0x1bc/0x75c fs/file_table.c:450
 ____fput+0x20/0x30 fs/file_table.c:478
 task_work_run+0x230/0x2e0 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
 el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:745
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 134898
hardirqs last  enabled at (134897): [<ffff80008b6c876c>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (134897): [<ffff80008b6c876c>] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202
hardirqs last disabled at (134898): [<ffff8000805ec0c8>] smp_call_function_many_cond+0x15c0/0x32a8 kernel/smp.c:874
softirqs last  enabled at (134072): [<ffff800080129934>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (134070): [<ffff800080129900>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---