/dev/nullb0: Can't open blockdev
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8213 at fs/erofs/super.c:862 erofs_kill_sb+0x206/0x260 fs/erofs/super.c:862
Modules linked in:
CPU: 1 PID: 8213 Comm: syz-executor.3 Not tainted 6.5.0-rc3-next-20230728-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:erofs_kill_sb+0x206/0x260 fs/erofs/super.c:862
Code: 00 00 5b 5d 41 5c 41 5d e9 e7 27 b7 fd e8 e2 27 b7 fd 48 89 df e8 6a 81 1b fe 5b 5d 41 5c 41 5d e9 cf 27 b7 fd e8 ca 27 b7 fd <0f> 0b e9 41 fe ff ff e8 5e f6 0b fe e9 1a fe ff ff e8 54 f6 0b fe
RSP: 0018:ffffc900161afca0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8880a6134000 RCX: 0000000000000000
RDX: ffff88802b16bb80 RSI: ffffffff83cfdc26 RDI: 0000000000000007
RBP: 00000000e0f5e1e2 R08: 0000000000000007 R09: 00000000e0f5e1e2
R10: 0000000000000000 R11: 205d333132385420 R12: 0000000000000000
R13: 1ffff92002c35fa0 R14: 00000000fffffff0 R15: ffff88802ade04f8
FS:  00007f369ee086c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f369e0d71e5 CR3: 000000009e808000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 deactivate_locked_super+0x9a/0x170 fs/super.c:330
 get_tree_bdev+0x4c7/0x6a0 fs/super.c:1347
 vfs_get_tree+0x88/0x350 fs/super.c:1521
 do_new_mount fs/namespace.c:3335 [inline]
 path_mount+0x1492/0x1ed0 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+0x293/0x310 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: 0033:0x7f369e07cb29
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:00007f369ee080c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f369e19bf80 RCX: 00007f369e07cb29
RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000020000000
RBP: 00007f369e0c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f369e19bf80 R15: 00007fffc2a941e8
 </TASK>