INFO: task kworker/1:1:51 blocked for more than 143 seconds.
Not tainted 6.13.0-rc1-syzkaller-gcdd30ebb1b9f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1 state:D stack:22480 pid:51 tgid:51 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
usb_kill_urb+0x1c9/0x300 drivers/usb/core/urb.c:713
usb_start_wait_urb+0x1b0/0x520 drivers/usb/core/message.c:65
usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
usb_control_msg+0x2b1/0x4c0 drivers/usb/core/message.c:154
get_bMaxPacketSize0 drivers/usb/core/hub.c:4805 [inline]
hub_port_init+0xc21/0x2670 drivers/usb/core/hub.c:5001
hub_port_connect drivers/usb/core/hub.c:5450 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
port_event drivers/usb/core/hub.c:5821 [inline]
hub_event+0x2962/0x5150 drivers/usb/core/hub.c:5903
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
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
Showing all locks held in the system:
4 locks held by kworker/u8:1/12:
#0: ffff8880b863e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
#1: ffff8880b8628948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffff8880b8628948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffff8880b862a718 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x112/0x240 kernel/time/timer.c:1050
#3: ffffffff9a6140e8 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x17f/0x580 lib/debugobjects.c:818
1 lock held by khungtaskd/30:
#0: ffffffff8e937aa0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937aa0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937aa0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
5 locks held by kworker/1:1/51:
#0: ffff8880222b5d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff8880222b5d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310
#1: ffffc90000bb7d00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc90000bb7d00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3310
#2: ffff88823be5a190 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1014 [inline]
#2: ffff88823be5a190 (&dev->mutex){....}-{4:4}, at: hub_event+0x1fe/0x5150 drivers/usb/core/hub.c:5849
#3: ffff888144775510 (&port_dev->status_lock){+.+.}-{4:4}, at: usb_lock_port drivers/usb/core/hub.c:3206 [inline]
#3: ffff888144775510 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5418 [inline]
#3: ffff888144775510 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
#3: ffff888144775510 (&port_dev->status_lock){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5821 [inline]
#3: ffff888144775510 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x25b9/0x5150 drivers/usb/core/hub.c:5903
#4: ffff888144306568 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect drivers/usb/core/hub.c:5419 [inline]
#4: ffff888144306568 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
#4: ffff888144306568 (hcd->address0_mutex){+.+.}-{4:4}, at: port_event drivers/usb/core/hub.c:5821 [inline]
#4: ffff888144306568 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x25f7/0x5150 drivers/usb/core/hub.c:5903
2 locks held by getty/5589:
#0: ffff8880358520a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc9000330b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
1 lock held by syz-executor.0/6137:
#0: ffff8880b863e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc1-syzkaller-gcdd30ebb1b9f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
watchdog+0xff6/0x1040 kernel/hung_task.c:397
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
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5188 Comm: syslogd Not tainted 6.13.0-rc1-syzkaller-gcdd30ebb1b9f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:hrtimer_update_base kernel/time/hrtimer.c:628 [inline]
RIP: 0010:hrtimer_interrupt+0x18a/0xa40 kernel/time/hrtimer.c:1847
Code: 00 49 8d ad 68 03 00 00 48 89 e8 48 c1 e8 03 48 89 84 24 b8 00 00 00 42 80 3c 30 00 74 08 48 89 ef e8 4a 92 7d 00 48 89 5d 00 <48> 8b 7c 24 30 48 89 f8 48 c1 e8 03 48 89 84 24 b0 00 00 00 42 80
RSP: 0018:ffffc90000007eb0 EFLAGS: 00000046
RAX: 1ffff110170c597d RBX: 180dae08afb096c8 RCX: ffff88807ca48000
RDX: 0000000000010000 RSI: 7fffffffffffffff RDI: 00000039a916c4f9
RBP: ffff8880b862cbe8 R08: ffffffff818d8f7c R09: 1ffffffff20328be
R10: dffffc0000000000 R11: ffffffff814007d0 R12: 00000039a916c4f9
R13: ffff8880b862c880 R14: dffffc0000000000 R15: ffff8880b8628358
FS: 00007ff35a9de380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000032f1e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:syscall_enter_from_user_mode_work include/linux/entry-common.h:168 [inline]
RIP: 0010:syscall_enter_from_user_mode include/linux/entry-common.h:199 [inline]
RIP: 0010:do_syscall_64+0xbc/0x230 arch/x86/entry/common.c:79
Code: ed 00 00 00 48 8b 7d 08 e8 b1 64 00 00 0f 1f 44 00 00 0f 1f 44 00 00 90 e8 51 51 d7 f5 90 90 e8 fa 50 d7 f5 fb 49 8b 54 24 08 c2 3f 74 0e 4c 89 f7 4c 89 fe e8 14 46 b9 f5 49 89 c7 90 90 41
RSP: 0018:ffffc90003337f10 EFLAGS: 00000282
RAX: 3044ad1732ad8100 RBX: ffffc90003337f10 RCX: ffffffff9a3bf903
RDX: 0000000000000000 RSI: ffffffff8c0a9680 RDI: ffffffff8c5f63e0
RBP: ffffc90003337f48 R08: ffffffff901945f7 R09: 1ffffffff20328be
R10: dffffc0000000000 R11: fffffbfff20328bf R12: ffff88807ca48000
R13: 0000000000000000 R14: ffffc90003337f58 R15: 0000000000000001
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff35ab32bf2
Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffe28ecb498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff35ab32bf2
RDX: 0000000000000059 RSI: 0000558141ce3c50 RDI: 0000000000000003
RBP: 0000558141ce3c50 R08: 0000000000000001 R09: 0000000000000000
R10: 00007ff35acd13a3 R11: 0000000000000246 R12: 0000000000000059
R13: 00007ff35a9de300 R14: 0000000000000004 R15: 0000558141ce3a60