kobject: 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: 8934 at fs/kernfs/dir.c:1685 kernfs_remove_by_name_ns+0x10c/0x188 fs/kernfs/dir.c:-1 Modules linked in: CPU: 0 UID: 0 PID: 8934 Comm: syz.1.416 Not tainted 6.14.0-rc7-syzkaller-ga2392f333575 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : kernfs_remove_by_name_ns+0x10c/0x188 fs/kernfs/dir.c:-1 lr : kernfs_remove_by_name_ns+0x108/0x188 fs/kernfs/dir.c:1684 sp : ffff8000a1017880 x29: ffff8000a1017880 x28: ffff0000fb3118b0 x27: 1fffe0001f6621f7 x26: dfff800000000000 x25: ffff8000904a0188 x24: 1ffff000117a8acc x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 00000000fffffffe x19: ffff80008bd45660 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008046a530 x15: 0000000000000001 x14: 1fffe000366e9cf0 x13: ffff8000a1018000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 4a21c81a6882f100 x8 : 4a21c81a6882f100 x7 : ffff80008b86ec94 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008b90a760 x0 : ffff800123ab0000 Call trace: kernfs_remove_by_name_ns+0x10c/0x188 fs/kernfs/dir.c:-1 (P) kernfs_remove_by_name include/linux/kernfs.h:625 [inline] remove_files fs/sysfs/group.c:28 [inline] sysfs_remove_group+0xf8/0x29c fs/sysfs/group.c:322 sysfs_remove_groups+0x5c/0xb4 fs/sysfs/group.c:346 __kobject_del+0x90/0x2d4 lib/kobject.c:595 kobject_del+0x48/0x68 lib/kobject.c:627 btrfs_sysfs_del_qgroups+0x104/0x150 fs/btrfs/sysfs.c:2589 btrfs_sysfs_add_qgroups+0x248/0x2a0 fs/btrfs/sysfs.c:2628 btrfs_quota_enable+0x238/0x1e50 fs/btrfs/qgroup.c:1030 btrfs_ioctl_quota_ctl+0x148/0x1cc fs/btrfs/ioctl.c:3677 btrfs_ioctl+0x768/0xb28 fs/btrfs/ioctl.c:5325 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __arm64_sys_ioctl+0x14c/0x1cc fs/ioctl.c:892 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 898 hardirqs last enabled at (897): [] raw_spin_rq_unlock_irq+0x14/0x24 kernel/sched/sched.h:1533 hardirqs last disabled at (898): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (866): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (866): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (841): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kernfs: can not remove 'inconsistent', no directory WARNING: CPU: 1 PID: 8934 at fs/kernfs/dir.c:1685 kernfs_remove_by_name_ns+0x10c/0x188 fs/kernfs/dir.c:-1 Modules linked in: CPU: 1 UID: 0 PID: 8934 Comm: syz.1.416 Tainted: G W 6.14.0-rc7-syzkaller-ga2392f333575 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : kernfs_remove_by_name_ns+0x10c/0x188 fs/kernfs/dir.c:-1 lr : kernfs_remove_by_name_ns+0x108/0x188 fs/kernfs/dir.c:1684 sp : ffff8000a1017880 x29: ffff8000a1017880 x28: ffff0000fb3118b0 x27: 1fffe0001f6621f7 x26: dfff800000000000 x25: ffff8000904a0190 x24: 1ffff000117a8acc x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 00000000fffffffe x19: ffff80008bd45660 x18: 1fffe000366eba86 x17: ffff80008fd3d000 x16: ffff80008046a530 x15: 0000000000000001 x14: 1fffe000366ee4f0 x13: ffff8000a1018000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 4a21c81a6882f100 x8 : 4a21c81a6882f100 x7 : ffff8000803d69a0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008b90a760 x0 : ffff800123ad4000 Call trace: kernfs_remove_by_name_ns+0x10c/0x188 fs/kernfs/dir.c:-1 (P) kernfs_remove_by_name include/linux/kernfs.h:625 [inline] remove_files fs/sysfs/group.c:28 [inline] sysfs_remove_group+0xf8/0x29c fs/sysfs/group.c:322 sysfs_remove_groups+0x5c/0xb4 fs/sysfs/group.c:346 __kobject_del+0x90/0x2d4 lib/kobject.c:595 kobject_del+0x48/0x68 lib/kobject.c:627 btrfs_sysfs_del_qgroups+0x104/0x150 fs/btrfs/sysfs.c:2589 btrfs_sysfs_add_qgroups+0x248/0x2a0 fs/btrfs/sysfs.c:2628 btrfs_quota_enable+0x238/0x1e50 fs/btrfs/qgroup.c:1030 btrfs_ioctl_quota_ctl+0x148/0x1cc fs/btrfs/ioctl.c:3677 btrfs_ioctl+0x768/0xb28 fs/btrfs/ioctl.c:5325 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __arm64_sys_ioctl+0x14c/0x1cc fs/ioctl.c:892 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 1098 hardirqs last enabled at (1097): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1533 [inline] hardirqs last enabled at (1097): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5132 hardirqs last disabled at (1098): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (1080): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (1080): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (1007): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kernfs: can not remove 'drop_subtree_threshold', no directory WARNING: CPU: 1 PID: 8934 at fs/kernfs/dir.c:1685 kernfs_remove_by_name_ns+0x10c/0x188 fs/kernfs/dir.c:-1 Modules linked in: CPU: 1 UID: 0 PID: 8934 Comm: syz.1.416 Tainted: G W 6.14.0-rc7-syzkaller-ga2392f333575 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : kernfs_remove_by_name_ns+0x10c/0x188 fs/kernfs/dir.c:-1 lr : kernfs_remove_by_name_ns+0x108/0x188 fs/kernfs/dir.c:1684 sp : ffff8000a1017880 x29: ffff8000a1017880 x28: ffff0000fb3118b0 x27: 1fffe0001f6621f7 x26: dfff800000000000 x25: ffff8000904a0198 x24: 1ffff000117a8acc x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 00000000fffffffe x19: ffff80008bd45660 x18: 1fffe000366eba86 x17: ffff80008fd3d000 x16: ffff80008046a530 x15: 0000000000000001 x14: 1fffe000366ee4f0 x13: ffff8000a1018000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 4a21c81a6882f100 x8 : 4a21c81a6882f100 x7 : ffff8000803d69a0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008b90a760 x0 : ffff800123ad4000 Call trace: kernfs_remove_by_name_ns+0x10c/0x188 fs/kernfs/dir.c:-1 (P) kernfs_remove_by_name include/linux/kernfs.h:625 [inline] remove_files fs/sysfs/group.c:28 [inline] sysfs_remove_group+0xf8/0x29c fs/sysfs/group.c:322 sysfs_remove_groups+0x5c/0xb4 fs/sysfs/group.c:346 __kobject_del+0x90/0x2d4 lib/kobject.c:595 kobject_del+0x48/0x68 lib/kobject.c:627 btrfs_sysfs_del_qgroups+0x104/0x150 fs/btrfs/sysfs.c:2589 btrfs_sysfs_add_qgroups+0x248/0x2a0 fs/btrfs/sysfs.c:2628 btrfs_quota_enable+0x238/0x1e50 fs/btrfs/qgroup.c:1030 btrfs_ioctl_quota_ctl+0x148/0x1cc fs/btrfs/ioctl.c:3677 btrfs_ioctl+0x768/0xb28 fs/btrfs/ioctl.c:5325 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __arm64_sys_ioctl+0x14c/0x1cc fs/ioctl.c:892 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 1290 hardirqs last enabled at (1289): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1533 [inline] hardirqs last enabled at (1289): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5132 hardirqs last disabled at (1290): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (1272): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (1272): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (1261): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kernfs: can not remove 'mode', no directory WARNING: CPU: 0 PID: 8934 at fs/kernfs/dir.c:1685 kernfs_remove_by_name_ns+0x10c/0x188 fs/kernfs/dir.c:-1 Modules linked in: CPU: 0 UID: 0 PID: 8934 Comm: syz.1.416 Tainted: G W 6.14.0-rc7-syzkaller-ga2392f333575 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : kernfs_remove_by_name_ns+0x10c/0x188 fs/kernfs/dir.c:-1 lr : kernfs_remove_by_name_ns+0x108/0x188 fs/kernfs/dir.c:1684 sp : ffff8000a1017880 x29: ffff8000a1017880 x28: ffff0000fb3118b0 x27: 1fffe0001f6621f7 x26: dfff800000000000 x25: ffff8000904a01a0 x24: 1ffff000117a8acc x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 00000000fffffffe x19: ffff80008bd45660 x18: 1fffe000366e7286 x17: ffff80008fd3d000 x16: ffff80008046a530 x15: 0000000000000001 x14: 1fffe000366e9cf0 x13: ffff8000a1018000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 4a21c81a6882f100 x8 : 4a21c81a6882f100 x7 : ffff8000803d69a0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008b90a760 x0 : ffff800123ab0000 Call trace: kernfs_remove_by_name_ns+0x10c/0x188 fs/kernfs/dir.c:-1 (P) kernfs_remove_by_name include/linux/kernfs.h:625 [inline] remove_files fs/sysfs/group.c:28 [inline] sysfs_remove_group+0xf8/0x29c fs/sysfs/group.c:322 sysfs_remove_groups+0x5c/0xb4 fs/sysfs/group.c:346 __kobject_del+0x90/0x2d4 lib/kobject.c:595 kobject_del+0x48/0x68 lib/kobject.c:627 btrfs_sysfs_del_qgroups+0x104/0x150 fs/btrfs/sysfs.c:2589 btrfs_sysfs_add_qgroups+0x248/0x2a0 fs/btrfs/sysfs.c:2628 btrfs_quota_enable+0x238/0x1e50 fs/btrfs/qgroup.c:1030 btrfs_ioctl_quota_ctl+0x148/0x1cc fs/btrfs/ioctl.c:3677 btrfs_ioctl+0x768/0xb28 fs/btrfs/ioctl.c:5325 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __arm64_sys_ioctl+0x14c/0x1cc fs/ioctl.c:892 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 1494 hardirqs last enabled at (1493): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1533 [inline] hardirqs last enabled at (1493): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5132 hardirqs last disabled at (1494): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (1464): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (1464): [] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589 softirqs last disabled at (1293): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]---