INFO: task kworker/1:13:7105 blocked for more than 143 seconds.
Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:13 state:D stack:26912 pid:7105 tgid:7105 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0xf15/0x5c70 kernel/sched/core.c:6736
__schedule_loop kernel/sched/core.c:6813 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6828
usb_kill_urb.part.0+0x1ca/0x250 drivers/usb/core/urb.c:713
usb_kill_urb+0x83/0xa0 drivers/usb/core/urb.c:702
usb_start_wait_urb+0x255/0x4c0 drivers/usb/core/message.c:65
usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
usb_control_msg+0x327/0x4b0 drivers/usb/core/message.c:154
get_bMaxPacketSize0.constprop.0+0xa5/0x1c0 drivers/usb/core/hub.c:4768
hub_port_init+0x693/0x3a00 drivers/usb/core/hub.c:4964
hub_port_connect drivers/usb/core/hub.c:5412 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5623 [inline]
port_event drivers/usb/core/hub.c:5783 [inline]
hub_event+0x2b65/0x4e20 drivers/usb/core/hub.c:5865
process_one_work+0x9a9/0x1a60 kernel/workqueue.c:3254
process_scheduled_works kernel/workqueue.c:3335 [inline]
worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
Showing all locks held in the system:
2 locks held by kworker/u8:0/10:
#0: ffff888015081148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x1296/0x1a60 kernel/workqueue.c:3229
#1: ffff8880b9428a08 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 kernel/sched/psi.c:988
1 lock held by khungtaskd/29:
#0: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
4 locks held by kworker/u8:2/42:
2 locks held by getty/4814:
#0: ffff88802e4980a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015e02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2201
3 locks held by kworker/0:4/5149:
#0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1296/0x1a60 kernel/workqueue.c:3229
#1: ffffc90004eb7d80 (free_ipc_work){+.+.}-{0:0}, at: process_one_work+0x906/0x1a60 kernel/workqueue.c:3230
#2: ffffffff8d7bc4b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
#2: ffffffff8d7bc4b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x682/0x7a0 kernel/rcu/tree_exp.h:939
6 locks held by kworker/1:13/7105:
#0: ffff8880196c9148 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x1296/0x1a60 kernel/workqueue.c:3229
#1: ffffc90003567d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x906/0x1a60 kernel/workqueue.c:3230
#2: ffff888023cad190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#2: ffff888023cad190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4e20 drivers/usb/core/hub.c:5811
#3: ffff8880b953e698 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559
#4: ffff8880b9528a08 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 kernel/sched/psi.c:988
#5: ffffffff948ad610 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_deactivate+0x13c/0x370 lib/debugobjects.c:763
4 locks held by syz-executor.1/7798:
#0: ffff88809b329060 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x26/0x90 net/bluetooth/hci_core.c:552
#1: ffff88809b328078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x339/0x11e0 net/bluetooth/hci_sync.c:5140
#2: ffffffff8f5548c8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2019 [inline]
#2: ffffffff8f5548c8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_hash_flush+0xc4/0x260 net/bluetooth/hci_conn.c:2566
#3: ffffffff8d7bc4b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
#3: ffffffff8d7bc4b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x403/0x7a0 kernel/rcu/tree_exp.h:939
2 locks held by syz-executor.2/13855:
1 lock held by syz-executor.4/13879:
#0: ffff888011840d58 (sk_lock-AF_SMC){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]
#0: ffff888011840d58 (sk_lock-AF_SMC){+.+.}-{0:0}, at: smc_connect+0xd5/0x760 net/smc/af_smc.c:1652
1 lock held by syz-executor.4/13884:
#0: ffff888011840d58 (sk_lock-AF_SMC){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]
#0: ffff888011840d58 (sk_lock-AF_SMC){+.+.}-{0:0}, at: smc_sendmsg+0x47/0x520 net/smc/af_smc.c:2767
1 lock held by syz-executor.4/13885:
1 lock held by syz-executor.3/13891:
#0:
ffff88801f873958
(
sk_lock-AF_SMC){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]
sk_lock-AF_SMC){+.+.}-{0:0}, at: smc_connect+0xd5/0x760 net/smc/af_smc.c:1652
1 lock held by syz-executor.3/13892:
#0: ffff88801f873958 (sk_lock-AF_SMC){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]
#0: ffff88801f873958 (sk_lock-AF_SMC){+.+.}-{0:0}, at: smc_sendmsg+0x47/0x520 net/smc/af_smc.c:2767
1 lock held by syz-executor.3/13893:
#0: ffff88801f873958 (sk_lock-AF_SMC){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]
#0: ffff88801f873958 (sk_lock-AF_SMC){+.+.}-{0:0}, at: smc_sendmsg+0x47/0x520 net/smc/af_smc.c:2767
2 locks held by syz-executor.1/13895:
1 lock held by syz-executor.4/13898:
#0: ffff888011843958 (sk_lock-AF_SMC){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]
#0: ffff888011843958 (sk_lock-AF_SMC){+.+.}-{0:0}, at: smc_connect+0xd5/0x760 net/smc/af_smc.c:1652
1 lock held by syz-executor.4/13899:
#0: ffff888011843958 (sk_lock-AF_SMC){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]
#0: ffff888011843958 (sk_lock-AF_SMC){+.+.}-{0:0}, at: smc_sendmsg+0x47/0x520 net/smc/af_smc.c:2767
2 locks held by syz-executor.0/13901:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xf86/0x1210 kernel/hung_task.c:379
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2440 Comm: kworker/u8:8 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:write_comp_data+0x0/0x90 kernel/kcov.c:230
Code: 48 8b 05 13 e2 76 7e 48 8b 80 08 16 00 00 c3 cc cc cc cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <49> 89 d2 49 89 f8 49 89 f1 65 48 8b 15 df e1 76 7e 65 8b 05 e0 e1
RSP: 0018:ffffc9000a727b60 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff8a9313bd
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: dffffc0000000000
R13: ffff88807b6ccca0 R14: 000000000000016c R15: ffff88802beb1b00
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6da2579198 CR3: 000000002d242000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_read_unlock include/linux/rcupdate.h:779 [inline]
batadv_iv_ogm_slide_own_bcast_window net/batman-adv/bat_iv_ogm.c:771 [inline]
batadv_iv_ogm_schedule_buff+0x73d/0x1500 net/batman-adv/bat_iv_ogm.c:825
batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:868 [inline]
batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:861 [inline]
batadv_iv_send_outstanding_bat_ogm_packet+0x31e/0x8c0 net/batman-adv/bat_iv_ogm.c:1712
process_one_work+0x9a9/0x1a60 kernel/workqueue.c:3254
process_scheduled_works kernel/workqueue.c:3335 [inline]
worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243