Bad inode number on dev loop0: 2 is out of range
SysV FS: get root inode failed
oldfs: cannot read superblock
------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 5001 at fs/buffer.c:1148 __brelse fs/buffer.c:1148 [inline]
WARNING: CPU: 0 PID: 5001 at fs/buffer.c:1148 brelse include/linux/buffer_head.h:325 [inline]
WARNING: CPU: 0 PID: 5001 at fs/buffer.c:1148 __invalidate_bh_lrus fs/buffer.c:1394 [inline]
WARNING: CPU: 0 PID: 5001 at fs/buffer.c:1148 invalidate_bh_lru+0x128/0x234 fs/buffer.c:1407
Modules linked in:
CPU: 0 PID: 5001 Comm: syz.0.16 Not tainted 5.15.181-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
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+0x128/0x234 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+0x128/0x234 fs/buffer.c:1407
sp : ffff80001f1d76e0
x29: ffff80001f1d76e0 x28: ffff80001414d000 x27: 1fffe00036859053
x26: 0000000000000001 x25: ffff0001b42c8298 x24: 0000000000000000
x23: dfff800000000000 x22: 0000000000000000 x21: ffff0000debe97a0
x20: ffff0001b42c8298 x19: ffff8000113aada0 x18: 0000000000000003
x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff
x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100
x11: 0000000000000002 x10: 0000000000000000 x9 : 35474afc03fdcb00
x8 : 35474afc03fdcb00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001f1d6fd8 x4 : ffff80001422f280 x3 : ffff800008503848
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+0x128/0x234 fs/buffer.c:1407
 smp_call_function_many_cond+0xa50/0xeb0 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+0x168/0x31c block/bdev.c:659
 blkdev_put_whole block/bdev.c:690 [inline]
 blkdev_put+0x490/0x6ac block/bdev.c:957
 kill_block_super+0x98/0xdc fs/super.c:1430
 deactivate_locked_super+0xb8/0x13c fs/super.c:335
 mount_bdev+0x284/0x358 fs/super.c:1402
 sysv_mount+0x44/0x58 fs/sysv/super.c:534
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611
 vfs_get_tree+0x90/0x274 fs/super.c:1530
 do_new_mount+0x228/0x810 fs/namespace.c:3013
 path_mount+0x5b4/0x1000 fs/namespace.c:3343
 do_mount fs/namespace.c:3356 [inline]
 __do_sys_mount fs/namespace.c:3564 [inline]
 __se_sys_mount fs/namespace.c:3541 [inline]
 __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3541
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 1280
hardirqs last  enabled at (1279): [<ffff80000884d04c>] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:231
hardirqs last disabled at (1280): [<ffff8000083cbd48>] smp_call_function_many_cond+0xa44/0xeb0 kernel/smp.c:959
softirqs last  enabled at (1024): [<ffff800008031d3c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (1022): [<ffff800008031d08>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace 79b29bec42893813 ]---