/dev/nullb0: Can't open blockdev
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4735 at fs/erofs/super.c:892 erofs_kill_sb+0xa8/0xb0 fs/erofs/super.c:896
Modules linked in:
CPU: 1 PID: 4735 Comm: syz-executor.0 Not tainted 6.5.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:erofs_kill_sb+0xa8/0xb0 fs/erofs/super.c:892
Code: 70 02 00 00 e8 79 a8 a2 ff 48 89 ef e8 71 a8 a2 ff 48 c7 83 18 06 00 00 00 00 00 00 5b 5d 41 5c c3 5b 5d 41 5c e9 38 85 ae ff <0f> 0b e9 6b ff ff ff 90 f3 0f 1e fa c3 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffffc90002a23df8 EFLAGS: 00010297
RAX: 00000000e0f5e1e2 RBX: ffff888105752000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff837ac60a RDI: ffff888105752000
RBP: ffffffff83ee1420 R08: ffff888110402890 R09: ffff888104b30000
R10: 0000000000000000 R11: ffff8881104026d8 R12: 00000000fffffff0
R13: 00000000fffffff0 R14: ffffffff8191dc10 R15: ffff888105752070
FS:  00007f8f495db6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8f495bad58 CR3: 000000010b7ee000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 deactivate_locked_super+0x28/0x90 fs/super.c:330
 get_tree_bdev+0x19a/0x200 fs/super.c:1347
 vfs_get_tree+0x21/0xd0 fs/super.c:1521
 do_new_mount fs/namespace.c:3335 [inline]
 path_mount+0x48a/0xb80 fs/namespace.c:3662
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x111/0x150 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8f4887cb29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8f495db0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f8f4899bf80 RCX: 00007f8f4887cb29
RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000020000000
RBP: 00007f8f488c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007f8f4899bf80 R15: 00007fff5f10f508
 </TASK>