------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 4036 at fs/buffer.c:1148 __brelse fs/buffer.c:1148 [inline]
WARNING: CPU: 1 PID: 4036 at fs/buffer.c:1148 brelse include/linux/buffer_head.h:325 [inline]
WARNING: CPU: 1 PID: 4036 at fs/buffer.c:1148 __invalidate_bh_lrus fs/buffer.c:1394 [inline]
WARNING: CPU: 1 PID: 4036 at fs/buffer.c:1148 invalidate_bh_lru+0x130/0x228 fs/buffer.c:1407
Modules linked in:
CPU: 1 PID: 4036 Comm: syz-executor Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __brelse fs/buffer.c:1148 [inline]
pc : brelse include/linux/buffer_head.h:325 [inline]
pc : __invalidate_bh_lrus fs/buffer.c:1394 [inline]
pc : invalidate_bh_lru+0x130/0x228 fs/buffer.c:1407
lr : __brelse fs/buffer.c:1148 [inline]
lr : brelse include/linux/buffer_head.h:325 [inline]
lr : __invalidate_bh_lrus fs/buffer.c:1394 [inline]
lr : invalidate_bh_lru+0x130/0x228 fs/buffer.c:1407
sp : ffff8000200576b0
x29: ffff8000200576b0 x28: 0000000000000000 x27: dfff800000000000
x26: ffff800008a7997c x25: 0000000000000001 x24: ffff0001b41bd298
x23: 0000000000000028 x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000e6c224e8 x19: ffff800011ccd320 x18: 0000000000000003
x17: 0000000000000000 x16: ffff800011ac23e0 x15: 00000000ffffffff
x14: ffff0000cb049b40 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000002 x10: 0000000000000000 x9 : 8dac41ec5e4bf800
x8 : 8dac41ec5e4bf800 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800020056e18 x4 : ffff800014b9fae0 x3 : ffff800008557c4c
x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000027
Call trace:
 __brelse fs/buffer.c:1148 [inline]
 brelse include/linux/buffer_head.h:325 [inline]
 __invalidate_bh_lrus fs/buffer.c:1394 [inline]
 invalidate_bh_lru+0x130/0x228 fs/buffer.c:1407
 smp_call_function_many_cond+0x908/0x1044 kernel/smp.c:960
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1135
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1426
 kill_bdev block/bdev.c:76 [inline]
 blkdev_flush_mapping+0x164/0x324 block/bdev.c:659
 blkdev_put_whole block/bdev.c:690 [inline]
 blkdev_put+0x498/0x6b0 block/bdev.c:954
 kill_block_super+0x98/0xdc fs/super.c:1428
 deactivate_locked_super+0xb8/0x13c fs/super.c:335
 deactivate_super+0x108/0x128 fs/super.c:366
 cleanup_mnt+0x3c0/0x474 fs/namespace.c:1143
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150
 task_work_run+0x130/0x1e4 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 431774
hardirqs last  enabled at (431773): [<ffff8000088312b8>] free_unref_page_list+0x71c/0x7a8 mm/page_alloc.c:3478
hardirqs last disabled at (431774): [<ffff80000840fe58>] smp_call_function_many_cond+0x8fc/0x1044 kernel/smp.c:959
softirqs last  enabled at (431266): [<ffff8000080308b0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (431264): [<ffff80000803087c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace 9f552a629160674a ]---