rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2645 jiffies s: 8001 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.5.0-rc6-syzkaller-00150-ge16d5f1447e0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:__sanitizer_cov_trace_pc+0x50/0x70 kernel/kcov.c:212 Code: 0e 85 c9 74 35 8b 82 3c 15 00 00 85 c0 74 2b 8b 82 18 15 00 00 83 f8 02 75 20 48 8b 8a 20 15 00 00 8b 92 1c 15 00 00 48 8b 01 <48> 83 c0 01 48 39 d0 73 07 48 89 01 48 89 34 c1 c3 66 66 2e 0f 1f RSP: 0018:ffffc90000006a78 EFLAGS: 00000046 RAX: 000000000003ffff RBX: ffffffff86887365 RCX: ffffc90001001000 RDX: 0000000000040000 RSI: ffffffff8638b2db RDI: 0000000000000006 RBP: ffffc90000006d3e R08: 0000000000000006 R09: 0000000000000001 R10: 000000007ffffff9 R11: 000000000049d9d0 R12: ffffffff86887366 R13: 0000000000000001 R14: ffffc90000006b68 R15: 000000007ffffff9 FS: 0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f80aed73988 CR3: 000000011418d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vsnprintf+0x72b/0x1870 lib/vsprintf.c:2779 sprintf+0xcd/0x100 lib/vsprintf.c:3021 print_time kernel/printk/printk.c:1327 [inline] info_print_prefix+0x258/0x350 kernel/printk/printk.c:1353 record_print_text+0x143/0x410 kernel/printk/printk.c:1402 printk_get_next_message+0x2ca/0x7c0 kernel/printk/printk.c:2809 console_emit_next_record kernel/printk/printk.c:2844 [inline] console_flush_all+0x39e/0xf50 kernel/printk/printk.c:2933 console_unlock+0xc6/0x1f0 kernel/printk/printk.c:3007 vprintk_emit+0x1c5/0x640 kernel/printk/printk.c:2307 vprintk+0x89/0xa0 kernel/printk/printk_safe.c:50 _printk+0xc8/0x100 kernel/printk/printk.c:2328 printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline] show_trace_log_lvl+0x21f/0x3c0 arch/x86/kernel/dumpstack.c:285 sched_show_task kernel/sched/core.c:9184 [inline] sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:9158 show_state_filter+0xeb/0x310 kernel/sched/core.c:9229 k_spec drivers/tty/vt/keyboard.c:667 [inline] k_spec+0xea/0x140 drivers/tty/vt/keyboard.c:656 kbd_keycode drivers/tty/vt/keyboard.c:1524 [inline] kbd_event+0xcc8/0x17c0 drivers/tty/vt/keyboard.c:1543 input_to_handler+0x382/0x4c0 drivers/input/input.c:132 input_pass_values.part.0+0x536/0x7a0 drivers/input/input.c:161 input_pass_values drivers/input/input.c:150 [inline] input_event_dispose+0x556/0x770 drivers/input/input.c:389 input_handle_event+0x11c/0xd80 drivers/input/input.c:406 input_event drivers/input/input.c:435 [inline] input_event+0x83/0xa0 drivers/input/input.c:427 hidinput_hid_event+0x915/0x22f0 drivers/hid/hid-input.c:1712 hid_process_event+0x4b1/0x5e0 drivers/hid/hid-core.c:1534 hid_input_array_field+0x53c/0x710 drivers/hid/hid-core.c:1646 hid_process_report drivers/hid/hid-core.c:1688 [inline] hid_report_raw_event+0xa12/0x11e0 drivers/hid/hid-core.c:2009 hid_input_report+0x342/0x440 drivers/hid/hid-core.c:2083 hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:284 __usb_hcd_giveback_urb+0x359/0x5c0 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x389/0x430 drivers/usb/core/hcd.c:1733 dummy_timer+0x1415/0x35f0 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x764/0xb10 kernel/time/timer.c:2022 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035 __do_softirq+0x20b/0x94e kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xa7/0x110 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x8e/0xb0 arch/x86/kernel/apic/apic.c:1109 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline] RIP: 0010:acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:113 Code: ed c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 48 8b 04 25 c0 a7 03 00 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 97 17 6f 00 fb f4 c3 0f 1f 00 0f b6 47 08 3c 01 74 0b 3c 02 74 05 8b 7f 04 eb 9f RSP: 0018:ffffffff87c07d70 EFLAGS: 00000246 RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff863f3a2e RDX: 0000000000000001 RSI: ffff888101e77800 RDI: ffff888101e77864 RBP: ffff888101e77864 R08: 0000000000000001 R09: ffffed103ecc6d4d R10: ffff8881f6636a6b R11: 0000000000000000 R12: ffff888101e90800 R13: ffffffff882efc00 R14: 0000000000000000 R15: 0000000000000000 acpi_idle_enter+0xc5/0x160 drivers/acpi/processor_idle.c:707 cpuidle_enter_state+0x82/0x500 drivers/cpuidle/cpuidle.c:267 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388 cpuidle_idle_call kernel/sched/idle.c:215 [inline] do_idle+0x315/0x3f0 kernel/sched/idle.c:282 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379 rest_init+0x16f/0x2b0 init/main.c:726 arch_call_rest_init+0x13/0x30 init/main.c:823 start_kernel+0x39a/0x470 init/main.c:1068 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:556 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:537 secondary_startup_64_no_verify+0x167/0x16b entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f12840fc457 RSP: 002b:00007fffc75ac9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12840fc457 RDX: 0000000000000004 RSI: 00007fffc75ac9f8 RDI: 0000000000000004 RBP: 000055b270376550 R08: 0000000000000007 R09: 9c945607aa35f553 R10: 00000000ffffffff R11: 0000000000000246 R12: 000055b270377190 R13: 00007fffc75ac9f8 R14: 00000000ffffffff R15: 000055b270351910 task:kworker/u4:1 state:D stack:27096 pid:13526 ppid:2 flags:0x00004000 Workqueue: events_unbound fsnotify_connector_destroy_workfn Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xc79/0x30a0 kernel/sched/core.c:6710 schedule+0xe7/0x1b0 kernel/sched/core.c:6786 schedule_timeout+0x27a/0x2c0 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x3e2/0x5f0 kernel/sched/completion.c:106 __synchronize_srcu+0x1c7/0x2c0 kernel/rcu/srcutree.c:1360 fsnotify_connector_destroy_workfn+0x4d/0xa0 fs/notify/mark.c:208 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 task:kworker/0:7 state:I stack:30176 pid:13695 ppid:2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xc79/0x30a0 kernel/sched/core.c:6710 schedule+0xe7/0x1b0 kernel/sched/core.c:6786 worker_thread+0x17d/0x1110 kernel/workqueue.c:2772 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 task:kworker/1:3 state:I stack:29320 pid:14904 ppid:2 flags:0x00004000 Workqueue: 0x0 (mm_percpu_wq) Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xc79/0x30a0 kernel/sched/core.c:6710 schedule+0xe7/0x1b0 kernel/sched/core.c:6786 worker_thread+0x17d/0x1110 kernel/workqueue.c:2772 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 task:udevd state:S stack:27712 pid:15035 ppid:2374 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xc79/0x30a0 kernel/sched/core.c:6710 schedule+0xe7/0x1b0 kernel/sched/core.c:6786 schedule_hrtimeout_range_clock+0x3dd/0x440 kernel/time/hrtimer.c:2301 ep_poll fs/eventpoll.c:1929 [inline] do_epoll_wait+0x131d/0x1a00 fs/eventpoll.c:2326 __do_sys_epoll_wait fs/eventpoll.c:2338 [inline] __se_sys_epoll_wait fs/eventpoll.c:2333 [inline] __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2333 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f12840fc457 RSP: 002b:00007fffc75ac9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12840fc457 RDX: 0000000000000004 RSI: 00007fffc75ac9f8 RDI: 0000000000000004 RBP: 000055b270376550 R08: 0000000000000007 R09: 9c945607aa35f553 R10: 00000000ffffffff R11: 0000000000000246 R12: 000055b2703783e0 R13: 00007fffc75ac9f8 R14: 00000000ffffffff R15: 000055b270351910 task:dhcpcd state:D stack:28896 pid:15121 ppid:2412 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xc79/0x30a0 kernel/sched/core.c:6710 schedule+0xe7/0x1b0 kernel/sched/core.c:6786 synchronize_rcu_expedited+0x617/0x7e0 kernel/rcu/tree_exp.h:1007 synchronize_rcu+0x2f5/0x3b0 kernel/rcu/tree.c:3535 synchronize_net+0x4e/0x60 net/core/dev.c:10759 __unregister_prot_hook+0x4a2/0x590 net/packet/af_packet.c:380 packet_do_bind+0x96c/0xf50 net/packet/af_packet.c:3242 packet_bind+0x105/0x150 net/packet/af_packet.c:3326 __sys_bind+0x1ec/0x220 net/socket.c:1792 __do_sys_bind net/socket.c:1803 [inline] __se_sys_bind net/socket.c:1801 [inline] __x64_sys_bind+0x72/0xb0 net/socket.c:1801 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0419564677 RSP: 002b:00007fffbe0d61f8 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00005625cf122ca3 RCX: 00007f0419564677 RDX: 0000000000000014 RSI: 00007fffbe0d6208 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00005625d0e7a8e0 R09: 0000000000010000 R10: 000000000000006d R11: 0000000000000217 R12: 00005625d0e773e0 R13: 00005625d0e79f28 R14: 00007fffbe0f6aec R15: 00005625d0e79ef4 task:kworker/1:11 state:I stack:25088 pid:15131 ppid:2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xc79/0x30a0 kernel/sched/core.c:6710 schedule+0xe7/0x1b0 kernel/sched/core.c:6786 worker_thread+0x17d/0x1110 kernel/workqueue.c:2772 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 task:dhcpcd state:D stack:28528 pid:15154 ppid:2412 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xc79/0x30a0 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 exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline] synchronize_rcu_expedited+0x404/0x7e0 kernel/rcu/tree_exp.h:992 synchronize_rcu+0x2f5/0x3b0 kernel/rcu/tree.c:3535 synchronize_net+0x4e/0x60 net/core/dev.c:10759 __unregister_prot_hook+0x4a2/0x590 net/packet/af_packet.c:380 packet_do_bind+0x96c/0xf50 net/packet/af_packet.c:3242 packet_bind+0x105/0x150 net/packet/af_packet.c:3326 __sys_bind+0x1ec/0x220 net/socket.c:1792 __do_sys_bind net/socket.c:1803 [inline] __se_sys_bind net/socket.c:1801 [inline] __x64_sys_bind+0x72/0xb0 net/socket.c:1801 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0419564677 RSP: 002b:00007fffbe0d61f8 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00005625cf122c9e RCX: 00007f0419564677 RDX: 0000000000000014 RSI: 00007fffbe0d6208 RDI: 0000000000000005 RBP: 00005625d0e77bcc R08: 00005625d0e7a8e0 R09: 0000000000010000 R10: 000000000000006d R11: 0000000000000217 R12: 00005625d0e773e0 R13: 00005625d0e77c18 R14: 00007fffbe0f6aec R15: 00005625d0e77be4 task:syz-executor.4 state:D stack:28288 pid:15156 ppid:2510 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xc79/0x30a0 kernel/sched/core.c:6710 schedule+0xe7/0x1b0 kernel/sched/core.c:6786 exp_funnel_lock kernel/rcu/tree_exp.h:316 [inline] synchronize_rcu_expedited+0x775/0x7e0 kernel/rcu/tree_exp.h:992 synchronize_rcu+0x2f5/0x3b0 kernel/rcu/tree.c:3535 evdev_detach_client drivers/input/evdev.c:386 [inline] evdev_release+0x245/0x400 drivers/input/evdev.c:449 __fput+0x3f7/0xac0 fs/file_table.c:384 task_work_run+0x14d/0x240 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x1e4/0x1f0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f80aec516e0 RSP: 002b:00007f80adfd4c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffea RBX: 000000000000c000 RCX: 00007f80aec516e0 RDX: 000000000000c000 RSI: 00007f80adfd4ca0 RDI: 00000000ffffff9c RBP: 00007f80adfd4ca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f80aed71f80 R15: 00007ffd46ab8588 task:syz-executor.3 state:D stack:28480 pid:15163 ppid:2503 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xc79/0x30a0 kernel/sched/core.c:6710 schedule+0xe7/0x1b0 kernel/sched/core.c:6786 exp_funnel_lock kernel/rcu/tree_exp.h:316 [inline] synchronize_rcu_expedited+0x775/0x7e0 kernel/rcu/tree_exp.h:992 synchronize_rcu+0x2f5/0x3b0 kernel/rcu/tree.c:3535 evdev_detach_client drivers/input/evdev.c:386 [inline] evdev_release+0x245/0x400 drivers/input/evdev.c:449 __fput+0x3f7/0xac0 fs/file_table.c:384 task_work_run+0x14d/0x240 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x1e4/0x1f0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc12c28c9da RSP: 002b:00007ffc6e6e1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fc12c28c9da RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fc12c3ae980 R08: 0000001b2fa20000 R09: 0000000000000000 R10: 00000000813861a4 R11: 0000000000000293 R12: 00000000000dab51 R13: ffffffffffffffff R14: 00007fc12be11000 R15: 00000000000da810 Showing all locks held in the system: 5 locks held by kworker/0:1/9: #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:678 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:705 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2570 #1: ffffc9000009fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2574 #2: ffff8881063b4190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f30 drivers/usb/core/hub.c:5768 #3: ffff8881377a7190 ( &dev->mutex ){....}-{3:3} , at: device_lock include/linux/device.h:958 [inline] , at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1003 #4: ffff888114b85160 ( &dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] &dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1003 1 lock held by rcu_tasks_kthre/12: #0: ffffffff87ea8330 (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/13: #0: ffffffff87ea8030 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3} , at: rcu_tasks_one_gp+0x2c/0xe20 kernel/rcu/tasks.h:522 6 locks held by kworker/1:0/21: #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:678 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:705 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2570 #1: ffffc9000016fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2574 #2: ffff888105ff4190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] ffff888105ff4190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f30 drivers/usb/core/hub.c:5768 #3: ffff888113425190 ( &dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] &dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x890 drivers/usb/core/hub.c:2243 #4: ffff888116f5d160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline] (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1290 #5: ffff888107efda20 ( &dev->mutex ){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] ){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline] ){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1290 5 locks held by kworker/1:2/2329: #0: ffff88810c65e538 ( (wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] (wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] (wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] (wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] (wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:678 [inline] (wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:705 [inline] (wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2570 #1: ffffc9000690fd80 ((work_completion)(&hub->events) ){+.+.}-{0:0} , at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2574 #2: ffff888106314190 ( &dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] &dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f30 drivers/usb/core/hub.c:5768 #3: ffff88810ae49190 (&dev->mutex ){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] ){....}-{3:3}, at: usb_disconnect+0x10a/0x890 drivers/usb/core/hub.c:2243 #4: ffff8881057c7160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline] (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1290 2 locks held by getty/2432: #0: ffff888102243098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900000452f0 ( &ldata->atomic_read_lock ){+.+.}-{3:3}, at: n_tty_read+0xfcb/0x1480 drivers/tty/n_tty.c:2187 2 locks held by kworker/u4:5/2505: #0: ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:678 [inline] ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:705 [inline] ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2570 #1: ffffc900015a7d80 ((reaper_work).work ){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2574 3 locks held by kworker/1:4/5258: 6 locks held by kworker/1:5/5263: #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:678 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:705 [inline] #0: ffff88810c65e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2570 #1: ffffc90001c27d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2574 #2: ffff888106724190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f30 drivers/usb/core/hub.c:5768 #3: ffff888116080190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x890 drivers/usb/core/hub.c:2243 #4: ffff88811bb0c160 ( &dev->mutex ){....}-{3:3} , at: device_lock include/linux/device.h:958 [inline] , at: __device_driver_lock drivers/base/dd.c:1093 [inline] , at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1290 #5: ffff888116875a20 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #5: ffff888116875a20 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline] #5: ffff888116875a20 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1290 2 locks held by kworker/1:8/5709: #0: ffff888100072538 ((wq_completion)rcu_gp ){+.+.}-{0:0} , at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] , at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] , at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] , at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] , at: set_work_data kernel/workqueue.c:678 [inline] , at: set_work_pool_and_clear_pending kernel/workqueue.c:705 [inline] , at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2570 #1: ffffc900025dfd80 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2574 4 locks held by kworker/1:10/8328: 2 locks held by kworker/u4:1/13526: #0: ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline] ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline] ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline] ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline] ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:678 [inline] ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:705 [inline] ffff888100079138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2570 #1: ffffc9000e7bfd80 ( connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2574 2 locks held by dhcpcd/15121: #0: ffff88811adaa130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1708 [inline] #0: ffff88811adaa130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf50 net/packet/af_packet.c:3206 #1: ffffffff87eb43f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline] ffffffff87eb43f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x69e/0x7e0 kernel/rcu/tree_exp.h:992 2 locks held by dhcpcd/15154: #0: ffff888142baa130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1708 [inline] (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf50 net/packet/af_packet.c:3206 #1: ffffffff87eb43f8 (rcu_state.exp_mutex){+.+.}-{3:3} , at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline] , at: synchronize_rcu_expedited+0x404/0x7e0 kernel/rcu/tree_exp.h:992 ============================================= keytouch 0003:0926:3333.005F: can't resubmit intr, dummy_hcd.1-1/input0, status -19 ------------[ cut here ]------------ NETDEV WATCHDOG: usb1 (cdc_ether): transmit queue 0 timed out 32130 ms WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:525 dev_watchdog+0x8c7/0x8f0 net/sched/sch_generic.c:525 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.5.0-rc6-syzkaller-00150-ge16d5f1447e0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:dev_watchdog+0x8c7/0x8f0 net/sched/sch_generic.c:525 Code: 8b 5c 24 10 c6 05 fa bb ca 03 01 48 89 df e8 70 28 eb ff 45 89 e8 89 e9 48 89 de 48 89 c2 48 c7 c7 c0 42 3b 87 e8 09 fd bb fb <0f> 0b e9 2b fd ff ff e8 3d d2 f1 fb 0f 0b e9 c6 fc ff ff e8 71 8a RSP: 0018:ffffc90000007be0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff888108f38000 RCX: 0000000000000100 RDX: ffffffff87c2b780 RSI: ffffffff81167826 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000444358 R12: ffff88810a30b000 R13: 0000000000007d82 R14: ffff888108f38508 R15: 000000010000e448 FS: 0000000000000000(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f80aed73988 CR3: 000000011418d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x764/0xb10 kernel/time/timer.c:2022 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035 __do_softirq+0x20b/0x94e kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xa7/0x110 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x8e/0xb0 arch/x86/kernel/apic/apic.c:1109 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline] RIP: 0010:acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:113 Code: ed c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 48 8b 04 25 c0 a7 03 00 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 97 17 6f 00 fb f4 c3 0f 1f 00 0f b6 47 08 3c 01 74 0b 3c 02 74 05 8b 7f 04 eb 9f RSP: 0018:ffffffff87c07d70 EFLAGS: 00000246 RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff863f3a2e RDX: 0000000000000001 RSI: ffff888101e77800 RDI: ffff888101e77864 RBP: ffff888101e77864 R08: 0000000000000001 R09: ffffed103ecc6d4d R10: ffff8881f6636a6b R11: 0000000000000000 R12: ffff888101e90800 R13: ffffffff882efc00 R14: 0000000000000000 R15: 0000000000000000 acpi_idle_enter+0xc5/0x160 drivers/acpi/processor_idle.c:707 cpuidle_enter_state+0x82/0x500 drivers/cpuidle/cpuidle.c:267 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388 cpuidle_idle_call kernel/sched/idle.c:215 [inline] do_idle+0x315/0x3f0 kernel/sched/idle.c:282 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379 rest_init+0x16f/0x2b0 init/main.c:726 arch_call_rest_init+0x13/0x30 init/main.c:823 start_kernel+0x39a/0x470 init/main.c:1068 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:556 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:537 secondary_startup_64_no_verify+0x167/0x16b