block nbd4: shutting down sockets
------------[ cut here ]------------
kernfs: can not remove 'nr_tags', no directory
WARNING: CPU: 0 PID: 32250 at fs/kernfs/dir.c:1626 kernfs_remove_by_name_ns+0x10c/0x188
Modules linked in:
CPU: 0 PID: 32250 Comm: syz-executor.4 Not tainted 6.1.24-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : kernfs_remove_by_name_ns+0x10c/0x188
lr : kernfs_remove_by_name_ns+0x108/0x188 fs/kernfs/dir.c:1625
sp : ffff80002d217750
x29: ffff80002d217750 x28: 0000000000000008 x27: 1fffe00019913c31
x26: 0000000000000002 x25: ffff800015d770e8 x24: 1ffff000024def00
x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 00000000fffffffe x19: ffff8000126f7800 x18: 1fffe000368b6776
x17: ffff80001558d000 x16: ffff800008302458 x15: ffff0001b45b3bbc
x14: 1ffff00002ab20b0 x13: dfff800000000000 x12: 0000000000000003
x11: ff8080000aab9188 x10: 0000000000000003 x9 : e1d0a57f3a203f00
x8 : e1d0a57f3a203f00 x7 : ffff800008279fb8 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : ffff80001223c040 x0 : ffff80019f0d2000
Call trace:
 kernfs_remove_by_name_ns+0x10c/0x188
 kernfs_remove_by_name include/linux/kernfs.h:618 [inline]
 remove_files fs/sysfs/group.c:28 [inline]
 sysfs_remove_group+0xf8/0x288 fs/sysfs/group.c:288
 sysfs_remove_groups+0x5c/0xb4 fs/sysfs/group.c:312
 __kobject_del+0x90/0x2d4 lib/kobject.c:587
 kobject_del+0x48/0x68 lib/kobject.c:619
 blk_mq_unregister_hctx block/blk-mq-sysfs.c:181 [inline]
 blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 block/blk-mq-sysfs.c:309
 __blk_mq_update_nr_hw_queues block/blk-mq.c:4687 [inline]
 blk_mq_update_nr_hw_queues+0x524/0xf4c block/blk-mq.c:4733
 nbd_start_device+0x15c/0xa7c drivers/block/nbd.c:1355
 nbd_start_device_ioctl drivers/block/nbd.c:1405 [inline]
 __nbd_ioctl drivers/block/nbd.c:1481 [inline]
 nbd_ioctl+0x430/0xc40 drivers/block/nbd.c:1521
 blkdev_ioctl+0x408/0xb40 block/ioctl.c:615
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
irq event stamp: 3050
hardirqs last  enabled at (3049): [<ffff80000827a058>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline]
hardirqs last  enabled at (3049): [<ffff80000827a058>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000
hardirqs last disabled at (3050): [<ffff8000120da114>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (1006): [<ffff800008032b74>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1004): [<ffff800008032b40>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
kernfs: can not remove 'nr_reserved_tags', no directory
WARNING: CPU: 1 PID: 32250 at fs/kernfs/dir.c:1626 kernfs_remove_by_name_ns+0x10c/0x188
Modules linked in:
CPU: 1 PID: 32250 Comm: syz-executor.4 Tainted: G        W          6.1.24-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : kernfs_remove_by_name_ns+0x10c/0x188
lr : kernfs_remove_by_name_ns+0x108/0x188 fs/kernfs/dir.c:1625
sp : ffff80002d217750
x29: ffff80002d217750 x28: 0000000000000008 x27: 1fffe00019913c31
x26: 0000000000000002 x25: ffff800015d770f0 x24: 1ffff000024def00
x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 00000000fffffffe x19: ffff8000126f7800 x18: 1fffe000368ba776
x17: ffff80001558d000 x16: ffff800008302458 x15: ffff0001b45d3bbc
x14: 1ffff00002ab20b0 x13: dfff800000000000 x12: 0000000000000003
x11: ff8080000aab9188 x10: 0000000000000003 x9 : e1d0a57f3a203f00
x8 : e1d0a57f3a203f00 x7 : ffff800008279fb8 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : ffff80001223c040 x0 : ffff80019f0f2000
Call trace:
 kernfs_remove_by_name_ns+0x10c/0x188
 kernfs_remove_by_name include/linux/kernfs.h:618 [inline]
 remove_files fs/sysfs/group.c:28 [inline]
 sysfs_remove_group+0xf8/0x288 fs/sysfs/group.c:288
 sysfs_remove_groups+0x5c/0xb4 fs/sysfs/group.c:312
 __kobject_del+0x90/0x2d4 lib/kobject.c:587
 kobject_del+0x48/0x68 lib/kobject.c:619
 blk_mq_unregister_hctx block/blk-mq-sysfs.c:181 [inline]
 blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 block/blk-mq-sysfs.c:309
 __blk_mq_update_nr_hw_queues block/blk-mq.c:4687 [inline]
 blk_mq_update_nr_hw_queues+0x524/0xf4c block/blk-mq.c:4733
 nbd_start_device+0x15c/0xa7c drivers/block/nbd.c:1355
 nbd_start_device_ioctl drivers/block/nbd.c:1405 [inline]
 __nbd_ioctl drivers/block/nbd.c:1481 [inline]
 nbd_ioctl+0x430/0xc40 drivers/block/nbd.c:1521
 blkdev_ioctl+0x408/0xb40 block/ioctl.c:615
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
irq event stamp: 3376
hardirqs last  enabled at (3375): [<ffff80000827a058>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline]
hardirqs last  enabled at (3375): [<ffff80000827a058>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000
hardirqs last disabled at (3376): [<ffff8000120da114>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (3346): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (3346): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (3053): [<ffff80000802a948>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
kernfs: can not remove 'cpu_list', no directory
WARNING: CPU: 0 PID: 32250 at fs/kernfs/dir.c:1626 kernfs_remove_by_name_ns+0x10c/0x188
Modules linked in:
CPU: 0 PID: 32250 Comm: syz-executor.4 Tainted: G        W          6.1.24-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : kernfs_remove_by_name_ns+0x10c/0x188
lr : kernfs_remove_by_name_ns+0x108/0x188 fs/kernfs/dir.c:1625
sp : ffff80002d217750
x29: ffff80002d217750 x28: 0000000000000008 x27: 1fffe00019913c31
x26: 0000000000000002 x25: ffff800015d770f8 x24: 1ffff000024def00
x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000
x20: 00000000fffffffe x19: ffff8000126f7800 x18: 1fffe000368b6776
x17: ffff80001558d000 x16: ffff800008302458 x15: ffff0001b45b3bbc
x14: 1ffff00002ab20b0 x13: dfff800000000000 x12: 0000000000000003
x11: ff8080000aab9188 x10: 0000000000000003 x9 : e1d0a57f3a203f00
x8 : e1d0a57f3a203f00 x7 : ffff800008279fb8 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : ffff80001223c040 x0 : ffff80019f0d2000
Call trace:
 kernfs_remove_by_name_ns+0x10c/0x188
 kernfs_remove_by_name include/linux/kernfs.h:618 [inline]
 remove_files fs/sysfs/group.c:28 [inline]
 sysfs_remove_group+0xf8/0x288 fs/sysfs/group.c:288
 sysfs_remove_groups+0x5c/0xb4 fs/sysfs/group.c:312
 __kobject_del+0x90/0x2d4 lib/kobject.c:587
 kobject_del+0x48/0x68 lib/kobject.c:619
 blk_mq_unregister_hctx block/blk-mq-sysfs.c:181 [inline]
 blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 block/blk-mq-sysfs.c:309
 __blk_mq_update_nr_hw_queues block/blk-mq.c:4687 [inline]
 blk_mq_update_nr_hw_queues+0x524/0xf4c block/blk-mq.c:4733
 nbd_start_device+0x15c/0xa7c drivers/block/nbd.c:1355
 nbd_start_device_ioctl drivers/block/nbd.c:1405 [inline]
 __nbd_ioctl drivers/block/nbd.c:1481 [inline]
 nbd_ioctl+0x430/0xc40 drivers/block/nbd.c:1521
 blkdev_ioctl+0x408/0xb40 block/ioctl.c:615
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
irq event stamp: 3586
hardirqs last  enabled at (3585): [<ffff80000827a058>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline]
hardirqs last  enabled at (3585): [<ffff80000827a058>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000
hardirqs last disabled at (3586): [<ffff8000120da114>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (3556): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (3556): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (3379): [<ffff80000802a948>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
---[ end trace 0000000000000000 ]---