RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffe2027ef90
RBP: 00007ffe2027ef90 R08: 00007ffe2027efd0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000248
R13: 0000000000000005 R14: 0000000000000006 R15: 0000000000000003
 </TASK>
kobject_add_internal failed for loop0 (error: -12 parent: erofs)
------------[ cut here ]------------
kernfs: can not remove 'sync_decompress', no directory
WARNING: CPU: 1 PID: 3594 at fs/kernfs/dir.c:1564 kernfs_remove_by_name_ns+0xed/0x110 fs/kernfs/dir.c:1564
Modules linked in:
CPU: 1 PID: 3594 Comm: syz-executor418 Not tainted 5.17.0-rc6-next-20220301-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kernfs_remove_by_name_ns+0xed/0x110 fs/kernfs/dir.c:1564
Code: c3 e8 f7 20 7a ff 4c 89 e7 41 bc fe ff ff ff e8 39 79 5d ff eb da e8 e2 20 7a ff 4c 89 ee 48 c7 c7 e0 8d be 89 e8 2f 95 18 07 <0f> 0b 41 bc fe ff ff ff eb bc e8 54 bc c5 ff e9 71 ff ff ff e8 4a
RSP: 0018:ffffc90003a1fb80 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffffff8c352e08 RCX: 0000000000000000
RDX: ffff8880534bd7c0 RSI: ffffffff815ffd28 RDI: fffff52000743f62
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815fa6ee R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff89fe11c0 R14: 0000000000000000 R15: ffff88801e7fc068
FS:  0000555556dfb300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa2ec3aa290 CR3: 000000007ec22000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kernfs_remove_by_name include/linux/kernfs.h:578 [inline]
 remove_files+0x96/0x1c0 fs/sysfs/group.c:28
 sysfs_remove_group+0x87/0x170 fs/sysfs/group.c:288
 sysfs_remove_groups fs/sysfs/group.c:312 [inline]
 sysfs_remove_groups+0x5c/0xa0 fs/sysfs/group.c:304
 __kobject_del+0x89/0x200 lib/kobject.c:611
 kobject_del lib/kobject.c:643 [inline]
 kobject_del+0x3c/0x60 lib/kobject.c:635
 erofs_unregister_sysfs+0x3e/0x60 fs/erofs/sysfs.c:224
 erofs_put_super+0x37/0xb0 fs/erofs/super.c:771
 generic_shutdown_super+0x14c/0x400 fs/super.c:462
 kill_block_super+0x97/0xf0 fs/super.c:1394
 erofs_kill_sb+0x60/0x190 fs/erofs/super.c:752
 deactivate_locked_super+0x94/0x160 fs/super.c:332
 get_tree_bdev+0x573/0x760 fs/super.c:1294
 vfs_get_tree+0x89/0x2f0 fs/super.c:1497
 do_new_mount fs/namespace.c:3025 [inline]
 path_mount+0x1320/0x1fa0 fs/namespace.c:3355
 do_mount fs/namespace.c:3368 [inline]
 __do_sys_mount fs/namespace.c:3576 [inline]
 __se_sys_mount fs/namespace.c:3553 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3553
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fa2ec336faa
Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe2027ef78 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffe2027efd0 RCX: 00007fa2ec336faa
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffe2027ef90
RBP: 00007ffe2027ef90 R08: 00007ffe2027efd0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000248
R13: 0000000000000005 R14: 0000000000000006 R15: 0000000000000003
 </TASK>