INFO: task kworker/0:0:8 blocked for more than 143 seconds.
Not tainted 6.11.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0 state:D
stack:21728 pid:8 tgid:8 ppid:2 flags:0x00004000
Workqueue: events switchdev_deferred_process_work
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0xe37/0x5490 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3231
process_scheduled_works kernel/workqueue.c:3312 [inline]
worker_thread+0x6c8/0xf20 kernel/workqueue.c:3390
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task udevd:5771 blocked for more than 152 seconds.
Not tainted 6.11.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D
stack:25072 pid:5771 tgid:5771 ppid:4671 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0xe37/0x5490 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
device_lock include/linux/device.h:1009 [inline]
uevent_show+0x188/0x3b0 drivers/base/core.c:2743
dev_attr_show+0x53/0xe0 drivers/base/core.c:2437
sysfs_kf_seq_show+0x23e/0x410 fs/sysfs/file.c:59
seq_read_iter+0x4fa/0x12c0 fs/seq_file.c:230
kernfs_fop_read_iter+0x41a/0x590 fs/kernfs/file.c:279
new_sync_read fs/read_write.c:395 [inline]
vfs_read+0x869/0xbd0 fs/read_write.c:476
ksys_read+0x12f/0x260 fs/read_write.c:619
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5243f16b6a
RSP: 002b:00007ffe79ec5dd8 EFLAGS: 00000246
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055e12462d290 RCX: 00007f5243f16b6a
RDX: 0000000000001000 RSI: 000055e12463cc80 RDI: 0000000000000008
RBP: 000055e12462d290 R08: 0000000000000008 R09: 0000000000000004
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007ffe79ec62b8 R15: 000000000000000a
INFO: task syz-executor:7849 blocked for more than 153 seconds.
Not tainted 6.11.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:27552 pid:7849 tgid:7849 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0xe37/0x5490 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6644
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x544/0x830 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
__sys_sendto+0x47f/0x4e0 net/socket.c:2204
__do_sys_sendto net/socket.c:2216 [inline]
__se_sys_sendto net/socket.c:2212 [inline]
__x64_sys_sendto+0xe0/0x1c0 net/socket.c:2212
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1c4617978c
RSP: 002b:00007ffe89a48050 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f1c46e34620 RCX: 00007f1c4617978c
RDX: 0000000000000028 RSI: 00007f1c46e34670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffe89a480a4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f1c46e34670 R15: 0000000000000000
INFO: task syz.0.657:7860 blocked for more than 154 seconds.
Not tainted 6.11.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.657 state:D stack:27008 pid:7860 tgid:7853 ppid:6584 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0xe37/0x5490 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
dev_ioctl+0x213/0x10c0 net/core/dev_ioctl.c:783
sock_do_ioctl+0x19e/0x280 net/socket.c:1236
sock_ioctl+0x22e/0x6c0 net/socket.c:1341
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl fs/ioctl.c:893 [inline]
__x64_sys_ioctl+0x193/0x220 fs/ioctl.c:893
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcac8f779f9
RSP: 002b:00007fcac9d6e048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fcac9106058 RCX: 00007fcac8f779f9
RDX: 0000000020000100 RSI: 0000000000008914 RDI: 0000000000000008
RBP: 00007fcac8fe58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fcac9106058 R15: 00007fffd5fe87e8
INFO: task syz.3.663:7917 blocked for more than 155 seconds.
Not tainted 6.11.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.663 state:D stack:28384 pid:7917 tgid:7915 ppid:6583 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0xe37/0x5490 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6644
netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
netlink_unicast+0x544/0x830 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
____sys_sendmsg+0xab5/0xc90 net/socket.c:2597
___sys_sendmsg+0x135/0x1e0 net/socket.c:2651
__sys_sendmsg+0x117/0x1f0 net/socket.c:2680
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f72f1b779f9
RSP: 002b:00007f72f294c048 EFLAGS: 00000246
ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f72f1d06058 RCX: 00007f72f1b779f9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000008
RBP: 00007f72f1be58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f72f1d06058 R15: 00007ffeaaf45bf8
Showing all locks held in the system:
1 lock held by kworker/R-rcu_g/4:
#0:
ffffffff8dc6fc28
(
wq_pool_attach_mutex
){+.+.}-{3:3}
, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2671
3 locks held by kworker/0:0/8:
#0: ffff888015880948
((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1: ffffc900000d7d80 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2:
ffffffff8fa20ee8
(
rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
1 lock held by kworker/R-mm_pe/13:
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
4 locks held by ksoftirqd/0/16:
#0:
ffffffff8ddb5ca0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
ffffffff8ddb5ca0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
ffffffff8ddb5ca0 (rcu_read_lock){....}-{1:2}, at: ieee80211_rx_napi+0xa6/0x400 net/mac80211/rx.c:5484
#1: ffffffff9517d958 (&obj_hash[i].lock){-.-.}-{2:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
#1: ffffffff9517d958 (&obj_hash[i].lock){-.-.}-{2:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
#1: ffffffff9517d958 (&obj_hash[i].lock){-.-.}-{2:2}, at: ieee80211_bss_info_update+0x1cf/0xab0 net/mac80211/scan.c:192
#2: ffffffff8dda38f0 (console_srcu){....}-{0:0}, at: lock_hrtimer_base kernel/time/hrtimer.c:175 [inline]
#2: ffffffff8dda38f0 (console_srcu){....}-{0:0}, at: hrtimer_start_range_ns+0x118/0xe60 kernel/time/hrtimer.c:1300
#3:
ffffffff8dde1d88 (tk_core.seq.seqcount){----}-{0:0}, at: timekeeping_get_ns kernel/time/timekeeping.c:401 [inline]
ffffffff8dde1d88 (tk_core.seq.seqcount){----}-{0:0}, at: ktime_get_update_offsets_now+0x100/0x310 kernel/time/timekeeping.c:2449
1 lock held by khungtaskd/30:
#0: ffffffff8ddb5ca0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
#0: ffffffff8ddb5ca0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
#0: ffffffff8ddb5ca0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6620
2 locks held by kworker/0:2/53:
5 locks held by kworker/u9:0/55:
#0: ffff888050169948 ((wq_completion)hci1){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1: ffffc9000120fd80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2: ffff88802b474d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:327
#3: ffff88802b474078 (&hdev->lock){+.+.}-{3:3}
, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5512
#4:
ffffffff8ff69b88
(
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 lib/kobject_uevent.c:410 [inline]
uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_env+0xb21/0x1860 lib/kobject_uevent.c:608
2 locks held by kworker/u8:4/63:
#0: ffff888015889148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1:
ffffc900015e7d80
(
connector_reaper_work
){+.+.}-{0:0}
, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
6 locks held by kworker/u8:7/1305:
#0:
ffff8880166e3148
(
(wq_completion)netns
){+.+.}-{0:0}
, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1: ffffc90004cf7d80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2:
ffffffff8fa0b790
(pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbb/0xbf0 net/core/net_namespace.c:594
#3: ffff88801baf40e8
(&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
(&dev->mutex){....}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
(&dev->mutex){....}-{3:3}, at: devlink_pernet_pre_exit+0x12d/0x2b0 net/devlink/core.c:506
#4: ffff88801baf7250 (&devlink->lock_key#12){+.+.}-{3:3}, at: devl_lock net/devlink/core.c:276 [inline]
#4: ffff88801baf7250 (&devlink->lock_key#12){+.+.}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#4: ffff88801baf7250 (&devlink->lock_key#12){+.+.}-{3:3}, at: devlink_pernet_pre_exit+0x137/0x2b0 net/devlink/core.c:506
#5: ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: nsim_destroy+0x6f/0x6a0 drivers/net/netdevsim/netdev.c:773
1 lock held by kworker/R-dm_bu/2374:
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
2 locks held by kworker/u8:11/3024:
#0:
ffff888015889148
(
(wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1: ffffc9000a1f7d80 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
2 locks held by getty/4969:
#0:
ffff88802c02e0a0
(
&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900031232f0
(
&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2211
1 lock held by kworker/0:3/5219:
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x27/0x420 kernel/workqueue.c:2671
5 locks held by kworker/u9:2/5222:
#0: ffff88802e03d948 ((wq_completion)hci4){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1: ffffc9000305fd80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2:
ffff88802d3e8d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:327
#3: ffff88802d3e8078 (
&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5512
#4: ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
#4: ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_net_broadcast lib/kobject_uevent.c:410 [inline]
#4: ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_env+0xb21/0x1860 lib/kobject_uevent.c:608
5 locks held by kworker/u9:4/5229:
#0:
ffff888062b55948
(
(wq_completion)hci2){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1: ffffc900034afd80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2: ffff88802b470d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:327
#3: ffff88802b470078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5512
#4: ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
#4: ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_net_broadcast lib/kobject_uevent.c:410 [inline]
#4: ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_env+0xb21/0x1860 lib/kobject_uevent.c:608
5 locks held by kworker/u9:5/5230:
#0: ffff88807dd04148 ((wq_completion)hci6){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1: ffffc900034cfd80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2: ffff88802e4e4d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:327
#3: ffff88802e4e4078 (
&hdev->lock
){+.+.}-{3:3}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5512
#4: ffffffff8ff69b88
(
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 lib/kobject_uevent.c:410 [inline]
uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_env+0xb21/0x1860 lib/kobject_uevent.c:608
5 locks held by kworker/u9:8/5234:
#0: ffff88807c130148 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1:
ffffc900034ffd80
(
(work_completion)(&hdev->cmd_sync_work)
){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2: ffff88807bf5cd80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:327
#3: ffff88807bf5c078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x150/0xb50 net/bluetooth/hci_sync.c:5512
#4: ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
#4: ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_net_broadcast lib/kobject_uevent.c:410 [inline]
#4: ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_env+0xb21/0x1860 lib/kobject_uevent.c:608
1 lock held by kworker/R-wg-cr/5258:
#0:
ffffffff8dc6fc28
(
wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/5260:
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
2 locks held by kworker/0:4/5268:
3 locks held by kworker/1:7/5272:
#0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1: ffffc900036afd80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2:
ffffffff8fa20ee8
(
rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:276
3 locks held by kworker/0:5/5273:
6 locks held by kworker/0:6/5274:
3 locks held by kworker/1:8/5312:
#0: ffff888015881948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1:
ffffc900036efd80 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2: ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x84/0x1140 net/wireless/reg.c:2480
2 locks held by kworker/0:7/5345:
4 locks held by udevd/5771:
#0: ffff888061d6fc30 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xde/0x12c0 fs/seq_file.c:182
#1: ffff88807aea5488 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
#2:
ffff88805b6f5878 (kn->active#5){++++}-{0:0}, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
#3: ffff888051435190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#3: ffff888051435190 (&dev->mutex){....}-{3:3}, at: uevent_show+0x188/0x3b0 drivers/base/core.c:2743
3 locks held by kworker/u8:12/6560:
#0:
ffff88802b602948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
#1: ffffc900033bfd80 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
#2:
ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xcf/0x1500 net/ipv6/addrconf.c:4194
1 lock held by syz-executor/6581:
#0:
ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x250 drivers/net/tun.c:3510
1 lock held by kworker/R-wg-cr/6605:
#0:
ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/6607:
#0:
ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/6608:
#0: ffffffff8dc6fc28
(wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
(wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/6610:
#0:
ffffffff8dc6fc28
(wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
(wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/6612:
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/6615:
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/6622:
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/6628:
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/6629:
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/6632:
#0: ffffffff8dc6fc28
(wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
(wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/6633:
1 lock held by kworker/R-wg-cr/6634:
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/7574:
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/7575:
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by kworker/R-wg-cr/7576:
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
#0: ffffffff8dc6fc28 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x87c/0xe30 kernel/workqueue.c:3525
1 lock held by syz-executor/7849:
#0:
ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6644
1 lock held by syz.0.657/7855:
#0: ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: __tun_chr_ioctl+0x4fc/0x4770 drivers/net/tun.c:3120
1 lock held by syz.0.657/7860:
#0:
ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x213/0x10c0 net/core/dev_ioctl.c:783
2 locks held by syz.3.663/7915:
#0: ffff888061b56e08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:799 [inline]
#0: ffff888061b56e08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x270 net/socket.c:658
#1: ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: raw_release+0x1c6/0xae0 net/can/raw.c:415
1 lock held by syz.3.663/7917:
#0: ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6644
2 locks held by syz.4.665/7921:
#0:
ffff888024874d78
(&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
(&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1094 [inline]
(&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1292
#1: ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
#1: ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_net_broadcast lib/kobject_uevent.c:410 [inline]
#1: ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_env+0xb21/0x1860 lib/kobject_uevent.c:608
1 lock held by syz-executor/7922:
#0: ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8fa20ee8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6644
2 locks held by syz-executor/7936:
#0:
ffff888051387918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:471 [inline]
ffff888051387918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:529 [inline]
ffff888051387918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_write+0x2bd/0x480 drivers/bluetooth/hci_vhci.c:609
#1:
ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_net_broadcast lib/kobject_uevent.c:410 [inline]
ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_env+0xb21/0x1860 lib/kobject_uevent.c:608
2 locks held by syz-executor/7937:
#0: ffff888050d04118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:471 [inline]
#0: ffff888050d04118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:529 [inline]
#0: ffff888050d04118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_write+0x2bd/0x480 drivers/bluetooth/hci_vhci.c:609
#1:
ffffffff8ff69b88
(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 lib/kobject_uevent.c:410 [inline]
(uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_env+0xb21/0x1860 lib/kobject_uevent.c:608
2 locks held by syz-executor/7938:
#0:
ffff888079df3918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:471 [inline]
ffff888079df3918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:529 [inline]
ffff888079df3918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_write+0x2bd/0x480 drivers/bluetooth/hci_vhci.c:609
#1:
ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_net_broadcast lib/kobject_uevent.c:410 [inline]
ffffffff8ff69b88 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_env+0xb21/0x1860 lib/kobject_uevent.c:608
2 locks held by syz-executor/7941:
#0: