INFO: task kworker/0:3:4613 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-syzkaller-00253-g9e6c269de404 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3 state:D stack:26352 pid:4613 ppid:2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
usb_kill_urb.part.0+0x1c6/0x250 drivers/usb/core/urb.c:728
usb_kill_urb+0x83/0xa0 drivers/usb/core/urb.c:717
usb_start_wait_urb+0x251/0x4c0 drivers/usb/core/message.c:64
usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
usb_control_msg+0x327/0x4a0 drivers/usb/core/message.c:153
hub_port_init+0x131c/0x3850 drivers/usb/core/hub.c:4889
hub_port_connect drivers/usb/core/hub.c:5351 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5566 [inline]
port_event drivers/usb/core/hub.c:5726 [inline]
hub_event+0x2e34/0x5230 drivers/usb/core/hub.c:5808
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
worker_thread+0x687/0x1110 kernel/workqueue.c:2751
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task syz-executor542:5029 blocked for more than 143 seconds.
Not tainted 6.5.0-rc6-syzkaller-00253-g9e6c269de404 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor542 state:D stack:25808 pid:5029 ppid:5026 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
device_lock include/linux/device.h:958 [inline]
usbdev_release+0x87/0x4b0 drivers/usb/core/devio.c:1096
__fput+0x3f7/0xac0 fs/file_table.c:384
task_work_run+0x14d/0x240 kernel/task_work.c:179
ptrace_notify+0x10c/0x130 kernel/signal.c:2376
ptrace_report_syscall include/linux/ptrace.h:411 [inline]
ptrace_report_syscall_exit include/linux/ptrace.h:473 [inline]
syscall_exit_work kernel/entry/common.c:252 [inline]
syscall_exit_to_user_mode_prepare+0x120/0x220 kernel/entry/common.c:279
__syscall_exit_to_user_mode_work kernel/entry/common.c:284 [inline]
syscall_exit_to_user_mode+0xd/0x60 kernel/entry/common.c:297
do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd1ee6a90e0
RSP: 002b:00007fffc32664e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fd1ee6a90e0
RDX: 0000000000000007 RSI: 00007fffc3266020 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000f4240
R13: 00007fffc3266798 R14: 0000000000000001 R15: 00007fffc3266530
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8c9a67f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8c9a64f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/28:
#0: ffffffff8c9a7400 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
5 locks held by kworker/0:3/4613:
#0: ffff888015adc538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
#0: ffff888015adc538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
#0: ffff888015adc538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
#0: ffff888015adc538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
#0: ffff888015adc538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:678 [inline]
#0: ffff888015adc538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:705 [inline]
#0: ffff888015adc538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2570
#1: ffffc9000348fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2574
#2: ffff888140b63190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#2: ffff888140b63190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c8/0x5230 drivers/usb/core/hub.c:5754
#3: ffff888140b67508 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3162 [inline]
#3: ffff888140b67508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5318 [inline]
#3: ffff888140b67508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5566 [inline]
#3: ffff888140b67508 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5726 [inline]
#3: ffff888140b67508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2a54/0x5230 drivers/usb/core/hub.c:5808
#4: ffff888022eac668 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5319 [inline]
#4: ffff888022eac668 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5566 [inline]
#4: ffff888022eac668 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5726 [inline]
#4: ffff888022eac668 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x2a7d/0x5230 drivers/usb/core/hub.c:5808
2 locks held by getty/4778:
#0: ffff88814a5c4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfcb/0x1480 drivers/tty/n_tty.c:2187
1 lock held by syz-executor542/5029:
#0: ffff888140b63190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#0: ffff888140b63190 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x87/0x4b0 drivers/usb/core/devio.c:1096
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc6-syzkaller-00253-g9e6c269de404 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2ac/0x310 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+0xf29/0x11b0 kernel/hung_task.c:379
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 12 Comm: kworker/u4:1 Not tainted 6.5.0-rc6-syzkaller-00253-g9e6c269de404 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__kasan_check_read+0x4/0x20 mm/kasan/shadow.c:31
Code: 83 c4 60 5b 5d 41 5c c3 48 83 c4 60 48 c7 c7 50 d6 16 8c 5b 5d 41 5c e9 ea 4e 8f ff 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa <48> 8b 0c 24 89 f6 31 d2 e9 0f f4 ff ff 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffffc900001178a8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffff11002cc9b56
RDX: 1ffff11002cc9b57 RSI: 0000000000000008 RDI: ffffffff8eaba2d0
RBP: 000000000000b881 R08: 0000000000000203 R09: 000000000000b881
R10: ffffffff8eaba2d7 R11: 0000000000000000 R12: 00000000000bd400
R13: 0000000000000001 R14: ffff88801664da9c R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005579b66e2f98 CR3: 000000000c776000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
cpumask_test_cpu include/linux/cpumask.h:504 [inline]
cpu_online include/linux/cpumask.h:1082 [inline]
trace_pelt_se_tp+0x2f/0x120 include/trace/events/sched.h:714
__update_load_avg_se+0x3c7/0x8d0 kernel/sched/pelt.c:313
update_load_avg+0x178/0x1b10 kernel/sched/fair.c:4252
dequeue_entity+0x62/0x1140 kernel/sched/fair.c:4950
dequeue_task_fair+0x1c9/0xbf0 kernel/sched/fair.c:6414
dequeue_task kernel/sched/core.c:2102 [inline]
deactivate_task kernel/sched/core.c:2121 [inline]
__schedule+0x169c/0x59f0 kernel/sched/core.c:6664
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
toggle_allocation_gate mm/kfence/core.c:833 [inline]
toggle_allocation_gate+0x1d3/0x250 mm/kfence/core.c:823
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
worker_thread+0x687/0x1110 kernel/workqueue.c:2751
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.374 msecs