loop0: detected capacity change from 0 to 128
oldfs: cannot read superblock
------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 6558 at fs/buffer.c:1241 __brelse fs/buffer.c:1241 [inline]
WARNING: CPU: 1 PID: 6558 at fs/buffer.c:1241 brelse include/linux/buffer_head.h:325 [inline]
WARNING: CPU: 1 PID: 6558 at fs/buffer.c:1241 __invalidate_bh_lrus fs/buffer.c:1510 [inline]
WARNING: CPU: 1 PID: 6558 at fs/buffer.c:1241 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1523
Modules linked in:
CPU: 1 PID: 6558 Comm: syz-executor.0 Tainted: G        W          6.10.0-rc3-syzkaller-00018-gac2193b4b460 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __brelse fs/buffer.c:1241 [inline]
pc : brelse include/linux/buffer_head.h:325 [inline]
pc : __invalidate_bh_lrus fs/buffer.c:1510 [inline]
pc : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1523
lr : __brelse fs/buffer.c:1241 [inline]
lr : brelse include/linux/buffer_head.h:325 [inline]
lr : __invalidate_bh_lrus fs/buffer.c:1510 [inline]
lr : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1523
sp : ffff800097fd7930
x29: ffff800097fd7930 x28: ffff800080c4e330 x27: ffff80008efad568
x26: 0000000000000001 x25: 00000000ffffffff x24: ffff0001b3dce3a0
x23: 0000000000000000 x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000dbfcd060 x19: ffff80008b14d700 x18: 0000000000000008
x17: 0000000000000000 x16: ffff80008aefc018 x15: 0000000000000001
x14: 1fffe000367b7c4a x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000004 x10: 0000000000ff0100 x9 : 920730edfe8f8200
x8 : 920730edfe8f8200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800097fd7078 x4 : ffff80008f094de0 x3 : ffff8000805f0b4c
x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000000
Call trace:
 __brelse fs/buffer.c:1241 [inline]
 brelse include/linux/buffer_head.h:325 [inline]
 __invalidate_bh_lrus fs/buffer.c:1510 [inline]
 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1523
 csd_do_func kernel/smp.c:133 [inline]
 smp_call_function_many_cond+0x141c/0x2f30 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:1542
 kill_bdev block/bdev.c:89 [inline]
 blkdev_flush_mapping+0xf0/0x230 block/bdev.c:664
 blkdev_put_whole block/bdev.c:671 [inline]
 bdev_release+0x4bc/0x644 block/bdev.c:1096
 blkdev_release+0x20/0x34 block/fops.c:623
 __fput+0x334/0x760 fs/file_table.c:422
 ____fput+0x20/0x30 fs/file_table.c:450
 task_work_run+0x230/0x2e0 kernel/task_work.c:180
 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:713
 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: 1428
hardirqs last  enabled at (1427): [<ffff80008afefbd8>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (1427): [<ffff80008afefbd8>] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202
hardirqs last disabled at (1428): [<ffff8000804a97bc>] smp_call_function_many_cond+0x1340/0x2f30 kernel/smp.c:845
softirqs last  enabled at (1356): [<ffff8000801ea3cc>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last  enabled at (1356): [<ffff8000801ea3cc>] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582
softirqs last disabled at (1273): [<ffff800080020de8>] __do_softirq+0x14/0x20 kernel/softirq.c:588
---[ end trace 0000000000000000 ]---