Hello, syzbot found the following issue on: HEAD commit: 9852d85ec9d4 Linux 6.12-rc1 git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing console output: https://syzkaller.appspot.com/x/log.txt?x=1606e580580000 kernel config: https://syzkaller.appspot.com/x/.config?x=4510af5d637450fb dashboard link: https://syzkaller.appspot.com/bug?extid=4d2bdddae2e3866013ef compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1106e580580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17e8339f980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/d44acbbed8bd/disk-9852d85e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/8e54c80139e6/vmlinux-9852d85e.xz kernel image: https://storage.googleapis.com/syzbot-assets/35f22e8643ee/bzImage-9852d85e.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4d2bdddae2e3866013ef@xxxxxxxxxxxxxxxxxxxxxxxxx rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2665 jiffies s: 1653 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 5006 Comm: syz-executor294 Not tainted 6.12.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:write_comp_data+0x0/0x90 kernel/kcov.c:240 Code: 48 83 c0 01 48 39 d0 73 07 48 89 01 48 89 34 c1 c3 cc cc cc cc 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <49> 89 d2 49 89 f8 49 89 f1 65 48 8b 15 4f de ad 7e 65 8b 05 50 de RSP: 0018:ffffc90000006d20 EFLAGS: 00000006 RAX: 0000000000000000 RBX: 0000000000000006 RCX: ffffffff86e77fb0 RDX: 0000000000000009 RSI: 000000000000000d RDI: 0000000000000001 RBP: ffffffff8810b580 R08: 0000000000000001 R09: 000000000000000c R10: 0000000000000009 R11: 0000000000128c20 R12: 0000000000000009 R13: 0000000000000001 R14: 000000000000000a R15: 0000000000000009 FS: 000055556995c480(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556995c750 CR3: 0000000116b82000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <NMI> </NMI> <IRQ> __sanitizer_cov_trace_switch+0x54/0x90 kernel/kcov.c:351 vsnprintf+0x740/0x1880 lib/vsprintf.c:2772 sprintf+0xcd/0x110 lib/vsprintf.c:3007 print_time kernel/printk/printk.c:1362 [inline] info_print_prefix+0x25c/0x350 kernel/printk/printk.c:1388 record_print_text+0x141/0x400 kernel/printk/printk.c:1437 printk_get_next_message+0x2a6/0x670 kernel/printk/printk.c:2978 console_emit_next_record kernel/printk/printk.c:3046 [inline] console_flush_all+0x6ec/0xc60 kernel/printk/printk.c:3180 __console_flush_and_unlock kernel/printk/printk.c:3239 [inline] console_unlock+0xd9/0x210 kernel/printk/printk.c:3279 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2407 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:68 _printk+0xc8/0x100 kernel/printk/printk.c:2432 printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline] show_trace_log_lvl+0x1b7/0x3d0 arch/x86/kernel/dumpstack.c:285 sched_show_task kernel/sched/core.c:7582 [inline] sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7557 show_state_filter+0xee/0x320 kernel/sched/core.c:7627 k_spec drivers/tty/vt/keyboard.c:667 [inline] k_spec+0xed/0x150 drivers/tty/vt/keyboard.c:656 kbd_keycode drivers/tty/vt/keyboard.c:1522 [inline] kbd_event+0xcbd/0x17a0 drivers/tty/vt/keyboard.c:1541 input_handler_events_default+0x116/0x1b0 drivers/input/input.c:2549 input_pass_values+0x777/0x8e0 drivers/input/input.c:126 input_event_dispose drivers/input/input.c:341 [inline] input_handle_event+0xf0b/0x14d0 drivers/input/input.c:369 input_event drivers/input/input.c:398 [inline] input_event+0x83/0xa0 drivers/input/input.c:390 input_sync include/linux/input.h:451 [inline] hidinput_report_event+0xb2/0x100 drivers/hid/hid-input.c:1736 hid_report_raw_event+0x274/0x11c0 drivers/hid/hid-core.c:2047 __hid_input_report.constprop.0+0x341/0x440 drivers/hid/hid-core.c:2110 hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:285 __usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734 dummy_timer+0x17c3/0x38d0 drivers/usb/gadget/udc/dummy_hcd.c:1988 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1772 handle_softirqs+0x206/0x8d0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xac/0x110 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1037 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__sanitizer_cov_trace_switch+0x16/0x90 kernel/kcov.c:334 Code: 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 56 41 55 41 54 49 89 fc 55 48 89 f5 53 48 8b 46 08 <48> 83 f8 20 74 6b 77 48 48 83 f8 08 74 5b 48 83 f8 10 75 2f 41 bd RSP: 0018:ffffc9000277fb18 EFLAGS: 00000206 RAX: 0000000000000020 RBX: 0000000000000003 RCX: 1ffff920004eff8f RDX: ffff88811dd80200 RSI: ffffffff881088e0 RDI: 0000000000000003 RBP: ffffffff881088e0 R08: 0000000000000005 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003 R13: ffffc9000277fd38 R14: ffffc9000277fc68 R15: 0000000000000300 ma_pivots lib/maple_tree.c:655 [inline] mtree_range_walk+0x311/0xbe0 lib/maple_tree.c:2767 mas_state_walk lib/maple_tree.c:3601 [inline] mt_find+0x5ad/0xa20 lib/maple_tree.c:6930 find_vma+0xc0/0x140 mm/mmap.c:967 lock_mm_and_find_vma+0x62/0x6a0 mm/memory.c:6162 do_user_addr_fault+0x2b5/0x12c0 arch/x86/mm/fault.c:1361 handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0010:__put_user_4+0x11/0x20 arch/x86/lib/putuser.S:88 Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 89 cb 48 c1 fb 3f 48 09 d9 0f 01 cb <89> 01 31 c9 0f 01 ca c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000277ff10 EFLAGS: 00050206 RAX: 0000000000000010 RBX: 0000000000000000 RCX: 000055556995c750 RDX: dffffc0000000000 RSI: ffffffff8727f4a0 RDI: ffff88811c500648 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff14ac801 R10: ffffffff8a56400f R11: 0000000000000000 R12: ffff888101698000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 schedule_tail+0xa6/0xd0 kernel/sched/core.c:5250 ret_from_fork+0x23/0x80 arch/x86/kernel/process.c:143 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-targe state:I stack:30080 pid:251 tgid:251 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-xcopy state:I stack:30080 pid:252 tgid:252 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-liber state:I stack:30080 pid:333 tgid:333 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-zd121 state:I stack:30080 pid:364 tgid:364 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-uas state:I stack:30080 pid:445 tgid:445 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/0:2 state:I stack:21872 pid:667 tgid:667 ppid:2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-usbip state:I stack:30832 pid:742 tgid:742 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:pvrusb2-context state:S stack:30176 pid:987 tgid:987 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 pvr2_context_thread_func+0x631/0x970 drivers/media/usb/pvrusb2/pvrusb2-context.c:160 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-kvub3 state:I stack:30080 pid:1024 tgid:1024 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-kvub3 state:I stack:30080 pid:1025 tgid:1025 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-kvub3 state:I stack:30080 pid:1026 tgid:1026 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-kmems state:I stack:30080 pid:1030 tgid:1030 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-elous state:I stack:30080 pid:1048 tgid:1048 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/u8:6 state:I stack:23024 pid:1183 tgid:1183 ppid:2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/0:1H state:I stack:28272 pid:1246 tgid:1246 ppid:2 flags:0x00004000 Workqueue: 0x0 (kblockd) Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-mld state:I stack:30080 pid:1247 tgid:1247 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-ipv6_ state:I stack:30080 pid:1248 tgid:1248 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/u8:7 state:I stack:27296 pid:1493 tgid:1493 ppid:2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/u8:8 state:I stack:26752 pid:1535 tgid:1535 ppid:2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:jbd2/sda1-8 state:S stack:26288 pid:2510 tgid:2510 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 kjournald2+0x5c7/0x760 fs/jbd2/journal.c:230 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/R-ext4- state:I stack:30832 pid:2511 tgid:2511 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 rescuer_thread+0x946/0xe20 kernel/workqueue.c:3541 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:syslogd state:S stack:25072 pid:2530 tgid:2530 ppid:1 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591 __skb_wait_for_more_packets+0x36c/0x5e0 net/core/datagram.c:121 __unix_dgram_recvmsg+0x243/0xdd0 net/unix/af_unix.c:2448 unix_dgram_recvmsg+0xd0/0x110 net/unix/af_unix.c:2537 sock_recvmsg_nosec net/socket.c:1051 [inline] sock_recvmsg+0x1f6/0x250 net/socket.c:1073 sock_read_iter+0x2bb/0x3b0 net/socket.c:1143 new_sync_read fs/read_write.c:488 [inline] vfs_read+0xa3b/0xbd0 fs/read_write.c:569 ksys_read+0x1fa/0x260 fs/read_write.c:712 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1980c67b6a RSP: 002b:00007ffe64941938 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1980c67b6a RDX: 00000000000000ff RSI: 000056188f197300 RDI: 0000000000000000 RBP: 000056188f1972c0 R08: 0000000000000001 R09: 0000000000000000 R10: 00007f1980e063a3 R11: 0000000000000246 R12: 000056188f19733a R13: 000056188f197300 R14: 0000000000000000 R15: 00007f1980e4aa80 </TASK> task:acpid state:S stack:25232 pid:2533 tgid:2533 ppid:1 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 do_select+0x12ec/0x17b0 fs/select.c:604 core_sys_select+0x459/0xb80 fs/select.c:678 do_pselect.constprop.0+0x1a0/0x1f0 fs/select.c:760 __do_sys_pselect6 fs/select.c:803 [inline] __se_sys_pselect6 fs/select.c:794 [inline] __x64_sys_pselect6+0x183/0x240 fs/select.c:794 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5e6983d591 RSP: 002b:00007ffd4713f200 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5e6983d591 RDX: 0000000000000000 RSI: 00007ffd4713f2f8 RDI: 000000000000000d RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000055f52a2de178 R14: 0000000000000000 R15: 000000000000000c </TASK> task:klogd state:S stack:25408 pid:2537 tgid:2537 ppid:1 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 syslog_print+0x214/0x5d0 kernel/printk/printk.c:1614 do_syslog+0x3be/0x6a0 kernel/printk/printk.c:1766 __do_sys_syslog kernel/printk/printk.c:1858 [inline] __se_sys_syslog kernel/printk/printk.c:1856 [inline] __x64_sys_syslog+0x74/0xb0 kernel/printk/printk.c:1856 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5353d48fa7 RSP: 002b:00007ffd7b46cc98 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 RAX: ffffffffffffffda RBX: 00007f5353ee74a0 RCX: 00007f5353d48fa7 RDX: 00000000000003ff RSI: 00007f5353ee74a0 RDI: 0000000000000002 RBP: 0000000000000000 R08: 0000000000000007 R09: 883853fd9ec1de17 R10: 0000000000004000 R11: 0000000000000206 R12: 00007f5353ee74a0 R13: 00007f5353ed7212 R14: 00007f5353ee77a9 R15: 00007f5353ee77a9 </TASK> task:udevd state:S stack:25856 pid:2548 tgid:2548 ppid:1 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 ep_poll fs/eventpoll.c:2062 [inline] do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459 __do_sys_epoll_wait fs/eventpoll.c:2471 [inline] __se_sys_epoll_wait fs/eventpoll.c:2466 [inline] __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f12ec088457 RSP: 002b:00007ffd871eb958 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007ffd871eba58 RCX: 00007f12ec088457 RDX: 0000000000000008 RSI: 00007ffd871eba58 RDI: 000000000000000b RBP: 00005588da307f70 R08: 0000000000000007 R09: 79d27bf63fc7d1df R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> task:dbus-daemon state:S stack:27776 pid:2570 tgid:2570 ppid:1 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 ep_poll fs/eventpoll.c:2062 [inline] do_epoll_wait+0x139b/0x1a90 fs/eventpoll.c:2459 __do_sys_epoll_wait fs/eventpoll.c:2471 [inline] __se_sys_epoll_wait fs/eventpoll.c:2466 [inline] __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2466 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb94663e457 RSP: 002b:00007fffb2fa4a98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007fffb2fa4aa8 RCX: 00007fb94663e457 RDX: 0000000000000040 RSI: 00007fffb2fa4aa8 RDI: 0000000000000003 RBP: 00007fffb2fa4e38 R08: 0000000000000b14 R09: 00007fb9467b3080 R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fffb2fa4e38 R15: 00007fffb2fa5148 </TASK> task:dhcpcd state:S stack:25984 pid:2585 tgid:2585 ppid:1 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_hrtimeout_range_clock+0x272/0x3b0 kernel/time/hrtimer.c:2281 poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 do_poll fs/select.c:964 [inline] do_sys_poll+0xad5/0xde0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb96e257ad5 RSP: 002b:00007ffefac7c070 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 0000558470475ee0 RCX: 00007fb96e257ad5 RDX: 00007ffefac7c090 RSI: 0000000000000004 RDI: 000055847047fe70 RBP: 00007ffefac7c3c0 R08: 0000000000000008 R09: 00007fb96e340080 R10: 00007ffefac7c3c0 R11: 0000000000000246 R12: 00007ffefac7c0b8 R13: 0000558452625610 R14: 0000000000000000 R15: 0000000000000000 </TASK> task:dhcpcd state:S stack:25024 pid:2586 tgid:2586 ppid:2585 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 do_poll fs/select.c:964 [inline] do_sys_poll+0xad5/0xde0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb96e257ad5 RSP: 002b:00007ffefac7c070 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 0000558470475ee0 RCX: 00007fb96e257ad5 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000558470475ec0 RBP: 00007ffefac7c3c0 R08: 0000000000000008 R09: 09c20ffd7bbd91de R10: 00007ffefac7c3c0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000558452625610 R14: 0000000000000000 R15: 0000000000000000 </TASK> task:dhcpcd state:S stack:26416 pid:2587 tgid:2587 ppid:2585 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 do_poll fs/select.c:964 [inline] do_sys_poll+0xad5/0xde0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb96e257ad5 RSP: 002b:00007ffefac7c070 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 0000558470475ee0 RCX: 00007fb96e257ad5 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 000055847047efe0 RBP: 00007ffefac7c3c0 R08: 0000000000000008 R09: 00005584526253d0 R10: 00007ffefac7c3c0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000558452625610 R14: 0000000000000003 R15: 0000000000000000 </TASK> task:dhcpcd state:S stack:27504 pid:2588 tgid:2588 ppid:2585 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 do_poll fs/select.c:964 [inline] do_sys_poll+0xad5/0xde0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb96e257ad5 RSP: 002b:00007ffefac7c070 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 0000558470475ee0 RCX: 00007fb96e257ad5 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 000055847047efe0 RBP: 00007ffefac7c3c0 R08: 0000000000000008 R09: 00005584526253d0 R10: 00007ffefac7c3c0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000558452625610 R14: 0000000000000000 R15: 0000000000000000 </TASK> task:dhcpcd state:S stack:25904 pid:2605 tgid:2605 ppid:2586 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 do_poll fs/select.c:964 [inline] do_sys_poll+0xad5/0xde0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb96e257ad5 RSP: 002b:00007ffefac7c070 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 0000558470475ee0 RCX: 00007fb96e257ad5 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000558470480d50 RBP: 00007ffefac7c3c0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffefac7c3c0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000558452625610 R14: 0000000000000000 R15: 0000000000000000 </TASK> task:sshd state:S stack:27424 pid:2606 tgid:2606 ppid:1 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_hrtimeout_range_clock+0x369/0x3b0 kernel/time/hrtimer.c:2272 poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 do_poll fs/select.c:964 [inline] do_sys_poll+0xad5/0xde0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3bfb2b8ad5 RSP: 002b:00007ffe7a845fd0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055d9d1634ab0 RCX: 00007f3bfb2b8ad5 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055d9d163a490 RBP: 0000000000000064 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe7a846188 R11: 0000000000000246 R12: 000055d9d163a490 R13: 00007ffe7a846188 R14: 0000000000000002 R15: 000055d9d1635b0c </TASK> task:getty state:S stack:25408 pid:2608 tgid:2608 ppid:1 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591 wait_woken+0x175/0x1c0 kernel/sched/wait.c:423 n_tty_read+0x10fb/0x1480 drivers/tty/n_tty.c:2277 iterate_tty_read drivers/tty/tty_io.c:856 [inline] tty_read+0x30e/0x5b0 drivers/tty/tty_io.c:931 new_sync_read fs/read_write.c:488 [inline] vfs_read+0x86e/0xbd0 fs/read_write.c:569 ksys_read+0x12f/0x260 fs/read_write.c:712 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa28a888b6a RSP: 002b:00007ffcf7c72ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00005569b603a2c0 RCX: 00007fa28a888b6a RDX: 0000000000000001 RSI: 00007ffcf7c72af0 RDI: 0000000000000000 RBP: 00005569b603a320 R08: 0000000000000000 R09: 09e33be4672970b3 R10: 0000000000000010 R11: 0000000000000246 R12: 00005569b603a35c R13: 00007ffcf7c72af0 R14: 0000000000000000 R15: 00005569b603a35c </TASK> task:kworker/1:2 state:S stack:21168 pid:2610 tgid:2610 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 input_register_device+0x98a/0x1110 drivers/input/input.c:2463 hidinput_connect+0x1d9c/0x2ba0 drivers/hid/hid-input.c:2343 hid_connect+0x13a8/0x18a0 drivers/hid/hid-core.c:2234 hid_hw_start drivers/hid/hid-core.c:2349 [inline] hid_hw_start+0xaa/0x140 drivers/hid/hid-core.c:2340 __hid_device_probe drivers/hid/hid-core.c:2703 [inline] hid_device_probe+0x3e7/0x490 drivers/hid/hid-core.c:2736 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3675 hid_add_device+0x37f/0xa70 drivers/hid/hid-core.c:2882 usbhid_probe+0xd3b/0x1410 drivers/hid/usbhid/hid-core.c:1431 usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3675 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3675 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651 hub_port_connect drivers/usb/core/hub.c:5521 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x2e58/0x4f40 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:sshd state:S stack:25408 pid:2648 tgid:2648 ppid:2606 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_hrtimeout_range_clock+0x272/0x3b0 kernel/time/hrtimer.c:2281 poll_schedule_timeout.constprop.0+0xba/0x190 fs/select.c:241 do_poll fs/select.c:964 [inline] do_sys_poll+0xad5/0xde0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x25a/0x2d0 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe564505ad5 RSP: 002b:00007ffcdf043d80 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00000000000668a0 RCX: 00007fe564505ad5 RDX: 00007ffcdf043da0 RSI: 0000000000000004 RDI: 00005653672a7820 RBP: 00005653672a63f0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffcdf043e88 R11: 0000000000000246 R12: 000056532d696aa4 R13: 0000000000000001 R14: 000056532d6973e8 R15: 00007ffcdf043e08 </TASK> task:syz-executor294 state:S stack:25088 pid:2650 tgid:2650 ppid:2648 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 do_nanosleep+0x216/0x510 kernel/time/hrtimer.c:2032 hrtimer_nanosleep+0x146/0x370 kernel/time/hrtimer.c:2080 common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1365 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1411 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1388 [inline] __x64_sys_clock_nanosleep+0x344/0x4a0 kernel/time/posix-timers.c:1388 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9fa154bb3 RSP: 002b:00007fffa140e218 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: ffffffffffffffb0 RCX: 00007fd9fa154bb3 RDX: 00007fffa140e230 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 00007fffa140e230 R11: 0000000000000202 R12: 6c616b7a79732f2e R13: 585858582e72656c R14: 00007fffa140e2b0 R15: 00007fd9fa17449b </TASK> task:syz-executor294 state:S stack:27216 pid:2653 tgid:2653 ppid:2650 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 do_wait+0x1dd/0x570 kernel/exit.c:1697 kernel_wait4+0x16c/0x280 kernel/exit.c:1851 __do_sys_wait4+0x15f/0x170 kernel/exit.c:1879 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9fa124de3 RSP: 002b:00007fffa140e268 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000a64 RCX: 00007fd9fa124de3 RDX: 0000000040000000 RSI: 00007fffa140e2d0 RDI: 00000000ffffffff RBP: 00007fffa140e2d0 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000202 R12: 6c616b7a79732f2e R13: 585858582e72656c R14: 00007fffa140e2b0 R15: 00007fd9fa17449b </TASK> task:syz-executor294 state:S stack:27360 pid:2654 tgid:2654 ppid:2650 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 do_wait+0x1dd/0x570 kernel/exit.c:1697 kernel_wait4+0x16c/0x280 kernel/exit.c:1851 __do_sys_wait4+0x15f/0x170 kernel/exit.c:1879 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9fa124de3 RSP: 002b:00007fffa140e268 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000a63 RCX: 00007fd9fa124de3 RDX: 0000000040000000 RSI: 00007fffa140e2d0 RDI: 00000000ffffffff RBP: 00007fffa140e2d0 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000202 R12: 6c616b7a79732f2e R13: 585858582e72656c R14: 00007fffa140e2b0 R15: 00007fd9fa17449b </TASK> task:syz-executor294 state:S stack:27712 pid:2655 tgid:2655 ppid:2650 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 do_wait+0x1dd/0x570 kernel/exit.c:1697 kernel_wait4+0x16c/0x280 kernel/exit.c:1851 __do_sys_wait4+0x15f/0x170 kernel/exit.c:1879 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9fa124de3 RSP: 002b:00007fffa140e268 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000a62 RCX: 00007fd9fa124de3 RDX: 0000000040000000 RSI: 00007fffa140e2d0 RDI: 00000000ffffffff RBP: 00007fffa140e2d0 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000202 R12: 6c616b7a79732f2e R13: 585858582e72656c R14: 00007fffa140e2b0 R15: 00007fd9fa17449b </TASK> task:syz-executor294 state:S stack:27360 pid:2656 tgid:2656 ppid:2650 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 do_wait+0x1dd/0x570 kernel/exit.c:1697 kernel_wait4+0x16c/0x280 kernel/exit.c:1851 __do_sys_wait4+0x15f/0x170 kernel/exit.c:1879 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9fa124de3 RSP: 002b:00007fffa140e268 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000a65 RCX: 00007fd9fa124de3 RDX: 0000000040000000 RSI: 00007fffa140e2d0 RDI: 00000000ffffffff RBP: 00007fffa140e2d0 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000202 R12: 6c616b7a79732f2e R13: 585858582e72656c R14: 00007fffa140e2b0 R15: 00007fd9fa17449b </TASK> task:syz-executor294 state:S stack:27360 pid:2657 tgid:2657 ppid:2650 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 do_wait+0x1dd/0x570 kernel/exit.c:1697 kernel_wait4+0x16c/0x280 kernel/exit.c:1851 __do_sys_wait4+0x15f/0x170 kernel/exit.c:1879 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9fa124de3 RSP: 002b:00007fffa140e268 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000a66 RCX: 00007fd9fa124de3 RDX: 0000000040000000 RSI: 00007fffa140e2d0 RDI: 00000000ffffffff RBP: 00007fffa140e2d0 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000202 R12: 6c616b7a79732f2e R13: 585858582e72656c R14: 00007fffa140e2b0 R15: 00007fd9fa17449b </TASK> task:syz-executor294 state:S stack:24784 pid:2658 tgid:2658 ppid:2655 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 do_wait+0x1dd/0x570 kernel/exit.c:1697 kernel_wait4+0x16c/0x280 kernel/exit.c:1851 __do_sys_wait4+0x15f/0x170 kernel/exit.c:1879 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9fa124de3 RSP: 002b:00007fffa140e068 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd9fa124de3 RDX: 0000000040000000 RSI: 00007fffa140e080 RDI: 00000000ffffffff RBP: 00007fffa140e080 R08: 00000000000090ca R09: 00007fd9fa0d0080 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000006 R13: 431bde82d7b634db R14: 0000000000000000 R15: 00007fffa140e0e0 </TASK> task:syz-executor294 state:S stack:23184 pid:2659 tgid:2659 ppid:2654 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 do_wait+0x1dd/0x570 kernel/exit.c:1697 kernel_wait4+0x16c/0x280 kernel/exit.c:1851 __do_sys_wait4+0x15f/0x170 kernel/exit.c:1879 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9fa124de3 RSP: 002b:00007fffa140e068 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd9fa124de3 RDX: 0000000040000000 RSI: 00007fffa140e080 RDI: 00000000ffffffff RBP: 00007fffa140e080 R08: 00000000000090ca R09: 00007fd9fa0d0080 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000006 R13: 431bde82d7b634db R14: 0000000000000000 R15: 00007fffa140e0e0 </TASK> task:syz-executor294 state:S stack:24784 pid:2660 tgid:2660 ppid:2653 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 do_wait+0x1dd/0x570 kernel/exit.c:1697 kernel_wait4+0x16c/0x280 kernel/exit.c:1851 __do_sys_wait4+0x15f/0x170 kernel/exit.c:1879 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9fa124de3 RSP: 002b:00007fffa140e068 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd9fa124de3 RDX: 0000000040000000 RSI: 00007fffa140e080 RDI: 00000000ffffffff RBP: 00007fffa140e080 R08: 0000000000009128 R09: 00007fd9fa0d0080 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007 R13: 431bde82d7b634db R14: 0000000000000000 R15: 00007fffa140e0e0 </TASK> task:syz-executor294 state:S stack:23776 pid:2661 tgid:2661 ppid:2656 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 do_wait+0x1dd/0x570 kernel/exit.c:1697 kernel_wait4+0x16c/0x280 kernel/exit.c:1851 __do_sys_wait4+0x15f/0x170 kernel/exit.c:1879 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9fa124de3 RSP: 002b:00007fffa140e068 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 000000000000000e RCX: 00007fd9fa124de3 RDX: 0000000040000000 RSI: 00007fffa140e080 RDI: 00000000ffffffff RBP: 00007fffa140e080 R08: 00000000000090ca R09: 00007fd9fa0d0080 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000006 R13: 431bde82d7b634db R14: 0000000000000000 R15: 00007fffa140e0e0 </TASK> task:syz-executor294 state:S stack:22752 pid:2662 tgid:2662 ppid:2657 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 do_wait+0x1dd/0x570 kernel/exit.c:1697 kernel_wait4+0x16c/0x280 kernel/exit.c:1851 __do_sys_wait4+0x15f/0x170 kernel/exit.c:1879 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9fa124de3 RSP: 002b:00007fffa140e068 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd9fa124de3 RDX: 0000000040000000 RSI: 00007fffa140e080 RDI: 00000000ffffffff RBP: 00007fffa140e080 R08: 0000000000009118 R09: 00007fd9fa0d0080 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007 R13: 431bde82d7b634db R14: 0000000000000000 R15: 00007fffa140e0e0 </TASK> task:kworker/0:3 state:I stack:21872 pid:4905 tgid:4905 ppid:2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/1:3 state:D stack:22224 pid:4912 tgid:4912 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 __input_unregister_device+0x136/0x450 drivers/input/input.c:2272 input_unregister_device+0xb9/0x100 drivers/input/input.c:2511 hidinput_disconnect+0x160/0x3e0 drivers/hid/hid-input.c:2376 hid_disconnect+0x14d/0x1b0 drivers/hid/hid-core.c:2320 hid_hw_stop drivers/hid/hid-core.c:2369 [inline] hid_device_remove+0x1a8/0x260 drivers/hid/hid-core.c:2757 device_remove+0xc8/0x170 drivers/base/dd.c:567 __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296 bus_remove_device+0x22f/0x420 drivers/base/bus.c:576 device_del+0x396/0x9f0 drivers/base/core.c:3864 hid_remove_device drivers/hid/hid-core.c:2939 [inline] hid_destroy_device+0xe5/0x150 drivers/hid/hid-core.c:2959 usbhid_disconnect+0xa0/0xe0 drivers/hid/usbhid/hid-core.c:1458 usb_unbind_interface+0x1e8/0x970 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:569 [inline] device_remove+0x122/0x170 drivers/base/dd.c:561 __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296 bus_remove_device+0x22f/0x420 drivers/base/bus.c:576 device_del+0x396/0x9f0 drivers/base/core.c:3864 usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1418 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2304 hub_port_connect drivers/usb/core/hub.c:5361 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x1bed/0x4f40 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/1:4 state:I stack:29152 pid:4913 tgid:4913 ppid:2 flags:0x00004000 Workqueue: 0x0 (mm_percpu_wq) Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/1:5 state:D stack:27296 pid:4926 tgid:4926 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591 ___down_common+0x2d7/0x460 kernel/locking/semaphore.c:225 __down_common kernel/locking/semaphore.c:246 [inline] __down+0x20/0x30 kernel/locking/semaphore.c:254 down+0x74/0xa0 kernel/locking/semaphore.c:63 hid_device_remove+0x29/0x260 drivers/hid/hid-core.c:2749 device_remove+0xc8/0x170 drivers/base/dd.c:567 __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296 bus_remove_device+0x22f/0x420 drivers/base/bus.c:576 device_del+0x396/0x9f0 drivers/base/core.c:3864 hid_remove_device drivers/hid/hid-core.c:2939 [inline] hid_destroy_device+0xe5/0x150 drivers/hid/hid-core.c:2959 usbhid_disconnect+0xa0/0xe0 drivers/hid/usbhid/hid-core.c:1458 usb_unbind_interface+0x1e8/0x970 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:569 [inline] device_remove+0x122/0x170 drivers/base/dd.c:561 __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296 bus_remove_device+0x22f/0x420 drivers/base/bus.c:576 device_del+0x396/0x9f0 drivers/base/core.c:3864 usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1418 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2304 hub_port_connect drivers/usb/core/hub.c:5361 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x1bed/0x4f40 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/0:4 state:I stack:28192 pid:4965 tgid:4965 ppid:2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:kworker/0:5 state:I stack:22000 pid:4976 tgid:4976 ppid:2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 worker_thread+0x2de/0xf00 kernel/workqueue.c:3406 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> task:syz-executor294 state:D stack:27856 pid:4994 tgid:4994 ppid:2658 flags:0x00000006 Call Trace: <TASK> context_switch kernel/sched/core.c:5315 [inline] __schedule+0x105f/0x34b0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320 synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup