INFO: task kworker/1:3:6168 blocked for more than 143 seconds. Tainted: G B 6.8.0-rc4-syzkaller-g905b00721763 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:6168 tgid:6168 ppid:2 flags:0x00000008 Workqueue: usb_hub_wq hub_event Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5400 [inline] __schedule+0x1498/0x24b4 kernel/sched/core.c:6727 __schedule_loop kernel/sched/core.c:6802 [inline] schedule+0xb8/0x19c kernel/sched/core.c:6817 usb_kill_urb+0x1b4/0x32c drivers/usb/core/urb.c:713 usb_start_wait_urb+0x16c/0x414 drivers/usb/core/message.c:65 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x228/0x3f8 drivers/usb/core/message.c:154 get_bMaxPacketSize0 drivers/usb/core/hub.c:4768 [inline] hub_port_init+0xdcc/0x1f90 drivers/usb/core/hub.c:5029 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+0x20e4/0x435c drivers/usb/core/hub.c:5865 process_one_work+0x694/0x1204 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2787 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 INFO: lockdep is turned off. Kernel panic - not syncing: hung_task: blocked tasks CPU: 1 PID: 29 Comm: khungtaskd Tainted: G B 6.8.0-rc4-syzkaller-g905b00721763 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:291 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:298 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 panic+0x30c/0x88c kernel/panic.c:344 check_hung_uninterruptible_tasks kernel/hung_task.c:226 [inline] hung_task_panic+0x0/0x2c kernel/hung_task.c:379 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 SMP: stopping secondary CPUs Kernel Offset: disabled CPU features: 0x0,00000040,e004004a,21017203 Memory Limit: none Rebooting in 86400 seconds..