INFO: task dhcpcd:3685 blocked for more than 143 seconds. Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:29872 pid: 3685 ppid: 3186 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5183 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6495 schedule+0xda/0x1b0 kernel/sched/core.c:6571 exp_funnel_lock kernel/rcu/tree_exp.h:315 [inline] synchronize_rcu_expedited+0x6e8/0x770 kernel/rcu/tree_exp.h:946 synchronize_rcu+0x302/0x3a0 kernel/rcu/tree.c:3508 synchronize_net+0x4a/0x50 net/core/dev.c:10747 __unregister_prot_hook+0x48a/0x5a0 net/packet/af_packet.c:382 packet_do_bind+0x8bc/0xdc0 net/packet/af_packet.c:3227 packet_bind+0x152/0x1b0 net/packet/af_packet.c:3311 __sys_bind+0x1e9/0x250 net/socket.c:1776 __do_sys_bind net/socket.c:1787 [inline] __se_sys_bind net/socket.c:1785 [inline] __x64_sys_bind+0x6f/0xb0 net/socket.c:1785 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5134b65ce7 RSP: 002b:00007fff4a9f5798 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 0000555ffcec7b60 RCX: 00007f5134b65ce7 RDX: 0000000000000014 RSI: 00007fff4a9f57a8 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000555ffd409410 R09: 00007f5134c26a60 R10: 0000000000200000 R11: 0000000000000217 R12: 0000555ffd407950 R13: 0000555ffd409b68 R14: 00007fff4aa1607c R15: 00007fff4aa160a4 INFO: task dhcpcd:3687 blocked for more than 146 seconds. Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:29872 pid: 3687 ppid: 3186 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5183 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6495 schedule+0xda/0x1b0 kernel/sched/core.c:6571 exp_funnel_lock kernel/rcu/tree_exp.h:315 [inline] synchronize_rcu_expedited+0x6e8/0x770 kernel/rcu/tree_exp.h:946 synchronize_rcu+0x302/0x3a0 kernel/rcu/tree.c:3508 synchronize_net+0x4a/0x50 net/core/dev.c:10747 __unregister_prot_hook+0x48a/0x5a0 net/packet/af_packet.c:382 packet_do_bind+0x8bc/0xdc0 net/packet/af_packet.c:3227 packet_bind+0x152/0x1b0 net/packet/af_packet.c:3311 __sys_bind+0x1e9/0x250 net/socket.c:1776 __do_sys_bind net/socket.c:1787 [inline] __se_sys_bind net/socket.c:1785 [inline] __x64_sys_bind+0x6f/0xb0 net/socket.c:1785 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5134b65ce7 RSP: 002b:00007fff4a9f5798 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 0000555ffcec7b60 RCX: 00007f5134b65ce7 RDX: 0000000000000014 RSI: 00007fff4a9f57a8 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000555ffd409410 R09: 00007f5134c26a60 R10: 0000000000200000 R11: 0000000000000217 R12: 0000555ffd407950 R13: 0000555ffd409ce8 R14: 00007fff4aa1607c R15: 00007fff4aa160a4 INFO: lockdep is turned off. NMI backtrace for cpu 1 CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline] watchdog+0xc18/0xf50 kernel/hung_task.c:369 kthread+0x2e4/0x3a0 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: 3271 Comm: kworker/0:3 Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Workqueue: usb_hub_wq hub_event RIP: 0010:write_comp_data+0x3c/0x90 kernel/kcov.c:229 Code: 01 00 00 49 89 f8 65 48 8b 14 25 80 6f 02 00 a9 00 01 ff 00 74 0e 85 f6 74 59 8b 82 bc 15 00 00 85 c0 74 4f 8b 82 98 15 00 00 <83> f8 03 75 44 48 8b 82 a0 15 00 00 8b 92 9c 15 00 00 48 8b 38 48 RSP: 0018:ffffc900036ce0b8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00000000000000e8 RCX: ffffffff84243aae RDX: ffff88801eed0000 RSI: 0000000000000000 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000005f5e0ff R10: 00000000000000e8 R11: 0000000000000001 R12: ffffc900036ce180 R13: 0000000000000000 R14: ffffc900836ce4e7 R15: ffffc900036ce4e9 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f07f2267150 CR3: 00000000281e6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: put_dec+0x1e/0xd0 lib/vsprintf.c:289 number+0x9e4/0xae0 lib/vsprintf.c:508 vsnprintf+0xf07/0x14f0 lib/vsprintf.c:2861 sprintf+0xc0/0x100 lib/vsprintf.c:2999 print_time kernel/printk/printk.c:1277 [inline] info_print_prefix+0x248/0x340 kernel/printk/printk.c:1303 record_print_text+0x14d/0x3e0 kernel/printk/printk.c:1352 console_emit_next_record.constprop.0+0x6bf/0x840 kernel/printk/printk.c:2715 console_flush_all kernel/printk/printk.c:2794 [inline] console_unlock+0x37a/0x5a0 kernel/printk/printk.c:2861 vprintk_emit+0x1b9/0x5f0 kernel/printk/printk.c:2271 dev_vprintk_emit+0x36e/0x3b2 drivers/base/core.c:4736 dev_printk_emit+0xba/0xf1 drivers/base/core.c:4747 __dev_printk+0xcf/0xf5 drivers/base/core.c:4759 _dev_warn+0xd7/0x109 drivers/base/core.c:4803 hid_parser_main.cold+0x4f/0xf1 drivers/hid/hid-core.c:633 hid_open_report+0x37f/0x650 drivers/hid/hid-core.c:1265 hid_parse include/linux/hid.h:1094 [inline] hidled_probe+0x9d/0x700 drivers/hid/hid-led.c:462 hid_device_probe+0x296/0x3c0 drivers/hid/hid-core.c:2600 call_driver_probe drivers/base/dd.c:560 [inline] really_probe+0x249/0xb90 drivers/base/dd.c:639 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808 __device_attach_driver+0x1d0/0x2e0 drivers/base/dd.c:936 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:1008 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 device_add+0xbd5/0x1e90 drivers/base/core.c:3517 hid_add_device+0x373/0xa10 drivers/hid/hid-core.c:2752 usbhid_probe+0xbaf/0x1030 drivers/hid/usbhid/hid-core.c:1424 usb_probe_interface+0x30b/0x7f0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:560 [inline] really_probe+0x249/0xb90 drivers/base/dd.c:639 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808 __device_attach_driver+0x1d0/0x2e0 drivers/base/dd.c:936 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:1008 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 device_add+0xbd5/0x1e90 drivers/base/core.c:3517 usb_set_configuration+0x1019/0x1900 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238 usb_probe_device+0xd4/0x2c0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:560 [inline] really_probe+0x249/0xb90 drivers/base/dd.c:639 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808 __device_attach_driver+0x1d0/0x2e0 drivers/base/dd.c:936 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:1008 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 device_add+0xbd5/0x1e90 drivers/base/core.c:3517 usb_new_device.cold+0x685/0x10ad drivers/usb/core/hub.c:2573 hub_port_connect drivers/usb/core/hub.c:5353 [inline] hub_port_connect_change drivers/usb/core/hub.c:5497 [inline] port_event drivers/usb/core/hub.c:5653 [inline] hub_event+0x26c7/0x45e0 drivers/usb/core/hub.c:5735 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306