RBP: 00007ffedd34ba50 R08: 0000000000000001 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00007ffedd34ba3a R14: 0000000000000003 R15: 00007f4b1c11b790 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: 5075 at fs/kernfs/dir.c:1648 kernfs_remove_by_name_ns+0x101/0x120 fs/kernfs/dir.c:1648 Modules linked in: CPU: 0 PID: 5075 Comm: syz-executor183 Not tainted 6.3.0-rc2-syzkaller-00069-g0ddc84d2dd43 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:kernfs_remove_by_name_ns+0x101/0x120 fs/kernfs/dir.c:1648 Code: c3 e8 13 64 78 ff 4c 89 e7 41 bc fe ff ff ff e8 15 be 58 ff eb da e8 fe 63 78 ff 4c 89 ee 48 c7 c7 60 16 5f 8a e8 9f dd 40 ff <0f> 0b 41 bc fe ff ff ff eb bc e8 30 6d c9 ff e9 61 ff ff ff e8 26 RSP: 0018:ffffc90003c6f938 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffffffff8cec1fc8 RCX: 0000000000000000 RDX: ffff88801fd60000 RSI: ffffffff814b6037 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff8a952080 R14: 0000000000000000 R15: ffff88802b598038 FS: 0000555555da8300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557bf489f160 CR3: 0000000020a8b000 CR4: 0000000000350ef0 Call Trace: kernfs_remove_by_name include/linux/kernfs.h:618 [inline] remove_files+0x96/0x1c0 fs/sysfs/group.c:28 sysfs_remove_group+0x8b/0x170 fs/sysfs/group.c:288 sysfs_remove_groups fs/sysfs/group.c:312 [inline] sysfs_remove_groups+0x60/0xa0 fs/sysfs/group.c:304 __kobject_del+0x89/0x1f0 lib/kobject.c:587 kobject_del lib/kobject.c:619 [inline] kobject_del+0x40/0x60 lib/kobject.c:611 btrfs_sysfs_del_qgroups fs/btrfs/sysfs.c:2258 [inline] btrfs_sysfs_del_qgroups+0x11d/0x1a0 fs/btrfs/sysfs.c:2246 btrfs_sysfs_add_qgroups+0x207/0x280 fs/btrfs/sysfs.c:2297 btrfs_quota_enable+0x2c9/0x1d00 fs/btrfs/qgroup.c:991 btrfs_ioctl_quota_ctl fs/btrfs/ioctl.c:3682 [inline] btrfs_ioctl+0x49ac/0x5b10 fs/btrfs/ioctl.c:4643 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4b1c0a6839 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 18 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:00007ffedd34ba08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4b1c0a6839 RDX: 0000000020000000 RSI: 00000000c0109428 RDI: 0000000000000004 RBP: 00007ffedd34ba50 R08: 0000000000000001 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00007ffedd34ba3a R14: 0000000000000003 R15: 00007f4b1c11b790