kobject: kobject_add_internal failed for qgroups (error: -12 parent: a6a605fc-d5f1-4e66-8595-3726e2b761d6)
------------[ cut here ]------------
kernfs: can not remove 'enabled', no directory
WARNING: CPU: 2 PID: 30767 at fs/kernfs/dir.c:1674 kernfs_remove_by_name_ns+0x110/0x130 fs/kernfs/dir.c:1674
Modules linked in:
CPU: 2 PID: 30767 Comm: syz-executor.2 Not tainted 6.8.0-rc3-syzkaller-00293-ga5b6244cf87c #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:kernfs_remove_by_name_ns+0x110/0x130 fs/kernfs/dir.c:1674
Code: 6c ff bb fe ff ff ff 89 d8 5b 5d 41 5c 41 5d c3 cc cc cc cc e8 81 00 6c ff 90 48 c7 c7 60 98 20 8b 4c 89 e6 e8 f1 2d 30 ff 90 <0f> 0b 90 90 eb cd e8 35 29 c5 ff e9 54 ff ff ff e8 2b 29 c5 ff e9
RSP: 0018:ffffc90023157908 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9002bb1c000
RDX: 0000000000040000 RSI: ffffffff814f74a6 RDI: 0000000000000001
RBP: ffffffff8df2a2e0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: ffffffff8b569ec0
R13: 0000000000000000 R14: ffffffff8b569da0 R15: ffff88801e565798
FS:  00007f3fc5db66c0(0000) GS:ffff88806b400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0d95b79198 CR3: 0000000022c02000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kernfs_remove_by_name include/linux/kernfs.h:623 [inline]
 remove_files+0x96/0x1c0 fs/sysfs/group.c:28
 sysfs_remove_group+0x8b/0x180 fs/sysfs/group.c:292
 sysfs_remove_groups fs/sysfs/group.c:316 [inline]
 sysfs_remove_groups+0x60/0xa0 fs/sysfs/group.c:308
 __kobject_del+0x83/0x1f0 lib/kobject.c:592
 kobject_del lib/kobject.c:624 [inline]
 kobject_del+0x3f/0x60 lib/kobject.c:616
 btrfs_sysfs_del_qgroups fs/btrfs/sysfs.c:2325 [inline]
 btrfs_sysfs_del_qgroups+0x119/0x1a0 fs/btrfs/sysfs.c:2313
 btrfs_sysfs_add_qgroups+0x21c/0x2b0 fs/btrfs/sysfs.c:2364
 btrfs_quota_enable+0x35d/0x1ef0 fs/btrfs/qgroup.c:1037
 btrfs_ioctl_quota_ctl fs/btrfs/ioctl.c:3721 [inline]
 btrfs_ioctl+0x4945/0x5920 fs/btrfs/ioctl.c:4690
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f3fc507dda9
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:00007f3fc5db60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3fc51abf80 RCX: 00007f3fc507dda9
RDX: 0000000020000080 RSI: 00000000c0109428 RDI: 0000000000000004
RBP: 00007f3fc5db6120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007f3fc51abf80 R15: 00007ffcb9bc6918
 </TASK>