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: 4234 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline]
WARNING: CPU: 1 PID: 4234 at fs/buffer.c:1145 brelse include/linux/buffer_head.h:326 [inline]
WARNING: CPU: 1 PID: 4234 at fs/buffer.c:1145 __invalidate_bh_lrus fs/buffer.c:1380 [inline]
WARNING: CPU: 1 PID: 4234 at fs/buffer.c:1145 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1393
Modules linked in:
CPU: 1 PID: 4234 Comm: syz-executor215 Not tainted 6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 604010c5 (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+0x128/0x200 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+0x128/0x200 fs/buffer.c:1393
sp : ffff80001df07450
x29: ffff80001df07450 x28: ffff80001584d000 x27: ffff0001b437234e
x26: 0000000000000001 x25: 00000000ffffffff x24: ffff0001b4387698
x23: 0000000000000000 x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000e2052888 x19: ffff800012381bc0 x18: ffff80001df06840
x17: 0000000000000000 x16: ffff80001215c9dc x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : 56ec2b3a3cd00900
x8 : 56ec2b3a3cd00900 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001df06d38 x4 : ffff800015932b00 x3 : ffff80000858856c
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+0x128/0x200 fs/buffer.c:1393
 smp_call_function_many_cond+0x828/0x32b8 kernel/smp.c:989
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1166
 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:664
 blkdev_put_whole block/bdev.c:695 [inline]
 blkdev_put+0x464/0x6e0 block/bdev.c:955
 kill_block_super+0x98/0xdc fs/super.c:1462
 deactivate_locked_super+0xac/0x124 fs/super.c:332
 mount_bdev+0x294/0x370 fs/super.c:1434
 sysv_mount+0x44/0x58 fs/sysv/super.c:534
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1562
 do_new_mount+0x278/0x8fc fs/namespace.c:3051
 path_mount+0x590/0xe5c fs/namespace.c:3381
 do_mount fs/namespace.c:3394 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount fs/namespace.c:3579 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3579
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 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: 15842
hardirqs last  enabled at (15841): [<ffff800008977e34>] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:242
hardirqs last disabled at (15842): [<ffff800008451ccc>] smp_call_function_many_cond+0x81c/0x32b8 kernel/smp.c:988
softirqs last  enabled at (14388): [<ffff800008020d7c>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (14388): [<ffff800008020d7c>] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600
softirqs last disabled at (14379): [<ffff80000802a99c>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---