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: 4793 at fs/buffer.c:1148 __brelse fs/buffer.c:1148 [inline]
WARNING: CPU: 0 PID: 4793 at fs/buffer.c:1148 brelse include/linux/buffer_head.h:325 [inline]
WARNING: CPU: 0 PID: 4793 at fs/buffer.c:1148 __invalidate_bh_lrus fs/buffer.c:1394 [inline]
WARNING: CPU: 0 PID: 4793 at fs/buffer.c:1148 invalidate_bh_lru+0x128/0x22c fs/buffer.c:1407
Modules linked in:
CPU: 0 PID: 4793 Comm: syz.0.15 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
pstate: 624000c5 (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+0x128/0x22c 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+0x128/0x22c fs/buffer.c:1407
sp : ffff80001fdc7710
x29: ffff80001fdc7710 x28: ffff80001438d000 x27: 1fffe000341d085b
x26: 0000000000000001 x25: ffff0001a0e842d8 x24: 0000000000000000
x23: dfff800000000000 x22: 0000000000000000 x21: ffff0000dee0b970
x20: ffff0001a0e842d8 x19: ffff80001155ade0 x18: 0000000000000003
x17: 0000000000000000 x16: ffff80001134e478 x15: 0000000000000012
x14: 0000000000000001 x13: 1fffe000341cebab x12: 0000000000000000
x11: ff8080000830061c x10: 0000000000000000 x9 : 8524fc2f9e082700
x8 : 8524fc2f9e082700 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001fdc7018 x4 : ffff80001446f500 x3 : ffff80000850f688
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+0x128/0x22c fs/buffer.c:1407
 smp_call_function_many_cond+0xa5c/0xec0 kernel/smp.c:960
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1134
 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+0x16c/0x334 block/bdev.c:659
 blkdev_put_whole block/bdev.c:690 [inline]
 blkdev_put+0x444/0x6c4 block/bdev.c:957
 kill_block_super+0xa0/0xe0 fs/super.c:1430
 deactivate_locked_super+0xc0/0x13c fs/super.c:335
 mount_bdev+0x284/0x35c fs/super.c:1402
 sysv_mount+0x44/0x58 fs/sysv/super.c:534
 legacy_get_tree+0xd8/0x174 fs/fs_context.c:611
 vfs_get_tree+0x90/0x278 fs/super.c:1530
 do_new_mount+0x228/0x804 fs/namespace.c:3034
 path_mount+0x57c/0xfe8 fs/namespace.c:3364
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount fs/namespace.c:3562 [inline]
 __arm64_sys_mount+0x488/0x5f8 fs/namespace.c:3562
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x28c arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x5c/0x140 arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1d0 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: 1148
hardirqs last  enabled at (1147): [<ffff8000088504ac>] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:231
hardirqs last disabled at (1148): [<ffff8000083d573c>] smp_call_function_many_cond+0xa50/0xec0 kernel/smp.c:959
softirqs last  enabled at (950): [<ffff80000803206c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (948): [<ffff800008032038>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace e2dde290653db3f6 ]---