INFO: task udevd:4544 blocked for more than 143 seconds.
Not tainted 6.9.0-next-20240515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D
stack:22008 pid:4544 tgid:4544 ppid:1 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593
kobject_synth_uevent+0x4ef/0xae0 lib/kobject_uevent.c:207
uevent_store+0x24/0x60 drivers/base/core.c:2760
kernfs_fop_write_iter+0x3a1/0x500 fs/kernfs/file.c:334
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0xa72/0xc90 fs/read_write.c:590
ksys_write+0x1a0/0x2c0 fs/read_write.c:643
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8ffd16bf2
RSP: 002b:00007ffc531c9598 EFLAGS: 00000246
ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000555c31537db0 RCX: 00007fc8ffd16bf2
RDX: 0000000000000007 RSI: 0000555c31537f90 RDI: 000000000000000c
RBP: 0000000000000007 R08: 0000555c31537f90 R09: 0000000000000030
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000007
R13: 0000555c31537f90 R14: 00007ffc531c9978 R15: 0000000000000000
INFO: task kworker/1:3:5156 blocked for more than 144 seconds.
Not tainted 6.9.0-next-20240515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D
stack:23800 pid:5156 tgid:5156 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593
device_add+0x63b/0xbf0 drivers/base/core.c:3702
usb_new_device+0x104a/0x19a0 drivers/usb/core/hub.c:2651
hub_port_connect drivers/usb/core/hub.c:5521 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
port_event drivers/usb/core/hub.c:5821 [inline]
hub_event+0x2d6a/0x5150 drivers/usb/core/hub.c:5903
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz-executor.4:5892 blocked for more than 145 seconds.
Not tainted 6.9.0-next-20240515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:24664 pid:5892 tgid:5892 ppid:5106 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593
device_remove drivers/base/dd.c:566 [inline]
__device_release_driver drivers/base/dd.c:1270 [inline]
device_release_driver_internal+0x4a9/0x7c0 drivers/base/dd.c:1293
driver_detach+0x1fb/0x2d0 drivers/base/dd.c:1356
bus_remove_driver+0x1f3/0x320 drivers/base/bus.c:742
usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1733
raw_release+0xf9/0x1e0 drivers/usb/gadget/legacy/raw_gadget.c:462
__fput+0x406/0x8b0 fs/file_table.c:422
task_work_run+0x24f/0x310 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa27/0x27e0 kernel/exit.c:874
do_group_exit+0x207/0x2c0 kernel/exit.c:1023
get_signal+0x16a1/0x1740 kernel/signal.c:2909
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x102/0x240 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a4007dd69
RSP: 002b:00007fff07325fb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000001e102 RCX: 00007f5a4007dd69
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f5a401abf8c
RBP: 00007fff073260c0 R08: 7fffffffffffffff R09: 000000000000108c
R10: 00007fff073260a0 R11: 0000000000000246 R12: 000000000001ecec
R13: 00007f5a401abf8c R14: 00007fff073260a0 R15: 0000000000000bea
INFO: task syz-executor.2:5908 blocked for more than 147 seconds.
Not tainted 6.9.0-next-20240515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D
stack:27288 pid:5908 tgid:5896 ppid:5101 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
device_lock include/linux/device.h:1009 [inline]
usbdev_open+0x156/0x780 drivers/usb/core/devio.c:1051
chrdev_open+0x5b0/0x630 fs/char_dev.c:414
do_dentry_open+0x95a/0x1720 fs/open.c:955
do_open fs/namei.c:3650 [inline]
path_openat+0x289f/0x3280 fs/namei.c:3807
do_filp_open+0x235/0x490 fs/namei.c:3834
do_sys_openat2+0x13e/0x1d0 fs/open.c:1405
do_sys_open fs/open.c:1420 [inline]
__do_sys_openat fs/open.c:1436 [inline]
__se_sys_openat fs/open.c:1431 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1431
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f542b47c960
RSP: 002b:00007f542c115c00 EFLAGS: 00000293
ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f542b47c960
RDX: 0000000000000000 RSI: 00007f542c115ca0 RDI: 00000000ffffff9c
RBP: 00007f542c115ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 000000000000006e R14: 00007f542b5ac1f0 R15: 00007ffcfccc6a68
INFO: task syz-executor.3:5895 blocked for more than 148 seconds.
Not tainted 6.9.0-next-20240515-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D
stack:22000 pid:5895 tgid:5895 ppid:1 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
uevent_net_init+0x1c4/0x2d0 lib/kobject_uevent.c:779
ops_init+0x359/0x610 net/core/net_namespace.c:139
setup_net+0x515/0xca0 net/core/net_namespace.c:343
copy_net_ns+0x4e2/0x7b0 net/core/net_namespace.c:508
create_new_namespaces+0x425/0x7b0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0x124/0x180 kernel/nsproxy.c:228
ksys_unshare+0x619/0xc10 kernel/fork.c:3323
__do_sys_unshare kernel/fork.c:3394 [inline]
__se_sys_unshare kernel/fork.c:3392 [inline]
__x64_sys_unshare+0x38/0x40 kernel/fork.c:3392
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f51e0c7f4c7
RSP: 002b:00007ffda1dff958 EFLAGS: 00000206
ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f51e0c7f4c7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007ffda1dffa30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffda1e00018
R13: 0000000000000003 R14: 00007f51e0dac9d8 R15: 000000000000000c
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0:
ffffffff8e333e60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
ffffffff8e333e60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
ffffffff8e333e60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
5 locks held by kworker/u9:0/53:
#0: ffff888015767148 ((wq_completion)hci4){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888015767148 ((wq_completion)hci4){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90000bd7d00 (
(work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
(work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffff88802d0c4d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:309
#3: ffff88802d0c4078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5431
#4:
ffffffff8f9489a8
(
uevent_sock_mutex
){+.+.}-{3:3}
, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
, at: kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
8 locks held by kworker/0:2/58:
6 locks held by kworker/u8:4/67:
#0:
ffff888015ed5948
(
(wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
(wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1:
ffffc900020bfd00
(net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
(net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f5da310 (pernet_ops_rwsem){++++}-{3:3}
, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594
#3:
ffff88805eae60e8 (&dev->mutex){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
, at: devlink_pernet_pre_exit+0x13b/0x440 net/devlink/core.c:506
#4:
ffff88805eae7250
(
&devlink->lock_key
#5
){+.+.}-{3:3}
, at: devl_lock net/devlink/core.c:276 [inline]
, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
, at: devlink_pernet_pre_exit+0x14d/0x440 net/devlink/core.c:506
#5:
ffffffff8f5e6b48
(rtnl_mutex){+.+.}-{3:3}
, at: nsim_destroy+0x71/0x5c0 drivers/net/netdevsim/netdev.c:772
5 locks held by kworker/u8:6/1043:
3 locks held by kworker/u8:7/1276:
#0: ffff888029fcd948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888029fcd948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1:
ffffc90005587d00
((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f5e6b48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4733
4 locks held by udevd/4544:
#0: ffff88802ff7c420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2854 [inline]
#0: ffff88802ff7c420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586
#1:
ffff88807db12c88
(
&of->mutex
){+.+.}-{3:3}
, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
#2:
ffff8880205ea008 (kn->active#5){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326
#3:
ffffffff8f9489a8 (
uevent_sock_mutex
){+.+.}-{3:3}
, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
, at: kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
2 locks held by getty/4841:
#0: ffff88802f2820a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1:
ffffc9000312b2f0
(&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
3 locks held by kworker/0:3/4933:
3 locks held by syz-executor.4/5106:
#0:
ffff8880245f4d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:554 [inline]
ffff8880245f4d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x1d3/0x4e0 net/bluetooth/hci_core.c:2760
#1: ffff8880245f4078 (&hdev->lock){+.+.}-{3:3}
, at: hci_dev_close_sync+0x494/0xf60 net/bluetooth/hci_sync.c:5050
#2:
ffffffff8f9489a8
(
uevent_sock_mutex
){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
){+.+.}-{3:3}, at: kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
5 locks held by kworker/u9:4/5110:
#0: ffff888022eee148 ((wq_completion)hci0){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888022eee148 ((wq_completion)hci0){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc900038a7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3207 [inline]
, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2:
ffff888063b90d88
(
&hdev->req_lock
){+.+.}-{3:3}
, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:309
#3:
ffff888063b90078
(
&hdev->lock
){+.+.}-{3:3}
, at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5431
#4:
ffffffff8f9489a8
(uevent_sock_mutex){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
(uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
5 locks held by kworker/u9:5/5113:
#0:
ffff888022eea148 ((wq_completion)hci1){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
ffff888022eea148 ((wq_completion)hci1){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc900038d7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc900038d7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2:
ffff888063b94d88
(
&hdev->req_lock
){+.+.}-{3:3}
, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:309
#3: ffff888063b94078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5431
#4: ffffffff8f9489a8 (uevent_sock_mutex){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
#4: ffffffff8f9489a8 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
4 locks held by udevd/5119:
#0: ffff88807c4801c8 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182
#1: ffff8880245b0c88 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154
#2: ffff888018a9c4b8 (kn->active#30){.+.+}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155
#3:
ffff88805ee2f190
(
&dev->mutex
){....}-{3:3}
, at: device_lock_interruptible include/linux/device.h:1014 [inline]
, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
5 locks held by kworker/0:5/5152:
4 locks held by kworker/1:3/5156:
#0:
ffff88801b2e8548
(
(wq_completion)usb_hub_wq
){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90003e37d00
((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffff888023f58190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#2: ffff888023f58190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x5150 drivers/usb/core/hub.c:5849
#3:
ffffffff8f9489a8
(
uevent_sock_mutex
){+.+.}-{3:3}
, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
, at: kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
3 locks held by kworker/1:4/5161:
#0:
ffff888015080948
((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90003e57d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90003e57d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f5e6b48 (rtnl_mutex){+.+.}-{3:3}
, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
2 locks held by syz-executor.4/5892:
#0: ffff888023e40d78 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#0: ffff888023e40d78 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline]
#0: ffff888023e40d78 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1290
#1: ffffffff8f9489a8 (uevent_sock_mutex){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
#1: ffffffff8f9489a8 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
1 lock held by syz-executor.2/5908:
#0:
ffff888023f58190
(
&dev->mutex
){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
){....}-{3:3}, at: usbdev_open+0x156/0x780 drivers/usb/core/devio.c:1051
2 locks held by syz-executor.3/5895:
#0:
ffffffff8f5da310
(
pernet_ops_rwsem
){++++}-{3:3}
, at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504
#1:
ffffffff8f9489a8
(
uevent_sock_mutex
){+.+.}-{3:3}
, at: uevent_net_init+0x1c4/0x2d0 lib/kobject_uevent.c:779
3 locks held by syz-executor.0/5900:
#0:
ffff88807cbccd88 (
&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:554 [inline]
&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x1d3/0x4e0 net/bluetooth/hci_core.c:2760
#1:
ffff88807cbcc078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x494/0xf60 net/bluetooth/hci_sync.c:5050
#2: ffffffff8f9489a8 (uevent_sock_mutex){+.+.}-{3:3}
, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
, at: kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
5 locks held by kworker/u8:9/5913:
2 locks held by syz-executor.4/5918:
#0: ffff888060052918 (&data->open_mutex){+.+.}-{3:3}
, at: vhci_create_device+0x34/0x6d0 drivers/bluetooth/hci_vhci.c:471
#1:
ffffffff8f9489a8
(
uevent_sock_mutex){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
2 locks held by syz-executor.2/5920:
#0:
ffff88802e572918
(
&data->open_mutex){+.+.}-{3:3}
, at: vhci_create_device+0x34/0x6d0 drivers/bluetooth/hci_vhci.c:471
#1: ffffffff8f9489a8 (uevent_sock_mutex){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
#1: ffffffff8f9489a8 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
2 locks held by syz-executor.0/5921: