RBP: 00007ffe232396b0 R08: 0000000000000001 R09: 00007ffe232396c0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00007ffe232396f0 R14: 00007ffe232396d0 R15: 0000000000000003 </TASK> kobject_add_internal failed for qgroups (error: -12 parent: 395ef67a-297e-477c-816d-cd80a5b93e5d) ------------[ cut here ]------------ kernfs: can not remove 'enabled', no directory WARNING: CPU: 0 PID: 5138 at fs/kernfs/dir.c:1649 kernfs_remove_by_name_ns+0xf8/0x150 fs/kernfs/dir.c:1648 Modules linked in: CPU: 0 PID: 5138 Comm: syz-executor268 Not tainted 6.3.0-rc2-syzkaller-00363-g478a351ce0d6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:kernfs_remove_by_name_ns+0xf8/0x150 fs/kernfs/dir.c:1648 Code: ff 03 48 89 df e8 d8 ef ff ff 48 89 df e8 70 94 ff ff 31 db eb 27 e8 87 8b 72 ff 48 c7 c7 80 97 f9 8a 4c 89 e6 e8 08 99 3a ff <0f> 0b bb fe ff ff ff eb 12 e8 6a 8b 72 ff bb fe ff ff ff 4c 89 f7 RSP: 0018:ffffc9000445fb00 EFLAGS: 00010246 RAX: c28c2635b6629a00 RBX: ffffffff8d44b1a0 RCX: ffff888028b1ba80 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff81527d42 R09: fffff5200088bed9 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8b2a3860 R13: 0000000000000000 R14: ffffffff8b2a3800 R15: 0000000000000000 FS: 00005555570b6300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4eceb1f138 CR3: 0000000077306000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> kernfs_remove_by_name include/linux/kernfs.h:618 [inline] remove_files fs/sysfs/group.c:28 [inline] sysfs_remove_group+0xfe/0x2a0 fs/sysfs/group.c:288 sysfs_remove_groups+0x54/0xa0 fs/sysfs/group.c:312 __kobject_del+0x84/0x310 lib/kobject.c:587 kobject_del+0x45/0x60 lib/kobject.c:619 btrfs_sysfs_del_qgroups+0x1cd/0x230 fs/btrfs/sysfs.c:2258 btrfs_sysfs_add_qgroups+0x392/0x3c0 fs/btrfs/sysfs.c:2297 btrfs_quota_enable+0x235/0x1f40 fs/btrfs/qgroup.c:991 btrfs_ioctl_quota_ctl+0x141/0x180 fs/btrfs/ioctl.c:3682 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4eceaa7a99 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe23239688 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4eceaa7a99 RDX: 0000000020000000 RSI: 00000000c0109428 RDI: 0000000000000004 RBP: 00007ffe232396b0 R08: 0000000000000001 R09: 00007ffe232396c0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00007ffe232396f0 R14: 00007ffe232396d0 R15: 0000000000000003 </TASK>