INFO: task kworker/0:5:15535 blocked for more than 145 seconds.
Not tainted 6.1.21-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5 state:D stack:25056 pid:15535 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5238 [inline]
__schedule+0x132c/0x4330 kernel/sched/core.c:6551
schedule+0xbf/0x180 kernel/sched/core.c:6627
usb_kill_urb+0x1c5/0x300 drivers/usb/core/urb.c:728
usb_start_wait_urb+0x1ac/0x510 drivers/usb/core/message.c:64
usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
usb_control_msg+0x2ad/0x4c0 drivers/usb/core/message.c:153
hub_port_init+0xa05/0x2430 drivers/usb/core/hub.c:4827
hub_port_connect drivers/usb/core/hub.c:5284 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
port_event drivers/usb/core/hub.c:5655 [inline]
hub_event+0x294a/0x57b0 drivers/usb/core/hub.c:5737
process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289
worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436
kthread+0x268/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8cf26870 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8cf27070 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/28:
#0: ffffffff8cf266a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3311:
#0: ffff88814aa95098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2177
3 locks held by kworker/u4:44/11731:
#0: ffff888012606938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x77a/0x11f0
#1: ffffc90015cc7d20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7bd/0x11f0 kernel/workqueue.c:2264
#2: ffffffff8cf2bb40 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x5f0 kernel/rcu/tree.c:3953
5 locks held by kworker/0:5/15535:
#0: ffff8880183cc138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x77a/0x11f0
#1: ffffc9000cccfd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7bd/0x11f0 kernel/workqueue.c:2264
#2: ffff888022feb190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:836 [inline]
#2: ffff888022feb190 (&dev->mutex){....}-{3:3}, at: hub_event+0x20e/0x57b0 drivers/usb/core/hub.c:5683
#3: ffff888022fee4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3105 [inline]
#3: ffff888022fee4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5251 [inline]
#3: ffff888022fee4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
#3: ffff888022fee4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5655 [inline]
#3: ffff888022fee4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2278/0x57b0 drivers/usb/core/hub.c:5737
#4: ffff888022f02068 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5252 [inline]
#4: ffff888022f02068 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
#4: ffff888022f02068 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5655 [inline]
#4: ffff888022f02068 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x22a1/0x57b0 drivers/usb/core/hub.c:5737
3 locks held by kworker/0:12/15540:
#0: ffff888012464d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77a/0x11f0
#1: ffffc9000cfd7d20 (fqdir_free_work){+.+.}-{0:0}, at: process_one_work+0x7bd/0x11f0 kernel/workqueue.c:2264
#2: ffffffff8cf2bb40 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x5f0 kernel/rcu/tree.c:3953
2 locks held by syz-executor.5/24135:
#0: ffffffff8e07d4d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x37b/0x5d0 net/core/net_namespace.c:474
#1: ffffffff8cf2bb40 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x48/0x5f0 kernel/rcu/tree.c:3953
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.21-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b0/0x3f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xf18/0xf60 kernel/hung_task.c:377
kthread+0x268/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 22560 Comm: kworker/u4:4 Not tainted 6.1.21-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: phy14 ieee80211_iface_work
RIP: 0010:ieee80211_update_bss_from_elems+0x200/0xeb0
Code: 4c 89 e7 e8 42 a7 e6 f7 eb 20 e8 db 87 90 f7 41 80 e5 fd 48 b8 00 00 00 00 00 fc ff df 0f b6 44 05 00 84 c0 0f 85 0c 0c 00 00 <45> 88 2c 24 4c 89 74 24 08 49 8d 5f 60 48 89 d8 48 c1 e8 03 49 bd
RSP: 0018:ffffc900035bf678 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888073e39d40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff110045b61a1 R08: ffffffff89f8fec9 R09: fffff520006b7e84
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888022db0d0e
R13: 0000000000000000 R14: ffff888022db0cc8 R15: ffff888017d2d800
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30823000 CR3: 0000000074ace000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_bss_info_update+0x9ad/0xe70 net/mac80211/scan.c:222
ieee80211_rx_bss_info net/mac80211/ibss.c:1120 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline]
ieee80211_ibss_rx_queued_mgmt+0x18ea/0x2d60 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1632 [inline]
ieee80211_iface_work+0x7aa/0xce0 net/mac80211/iface.c:1686
process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289
worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436
kthread+0x268/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306