rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...0: (1 GPs behind) idle=7f14/1/0x4000000000000000 softirq=31997/31999 fqs=1244
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:        0          0            0
rcu: 	cputime:        0          0            0   ==> 52500(ms)
rcu: 	(detected by 1, t=10502 jiffies, g=23541, q=263044 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.12.0-rc6-syzkaller-00106-gde9df030ccb5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:io_serial_out+0x8f/0xb0 drivers/tty/serial/8250/8250_port.c:413
Code: 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1c 66 03 5d 40 44 89 e8 89 da ee <5b> 5d 41 5c 41 5d c3 cc cc cc cc e8 11 e5 0d ff eb a0 e8 9a e5 0d
RSP: 0018:ffffc900000ff240 EFLAGS: 00000002
RAX: 0000000000000020 RBX: 00000000000003f8 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: ffffffff82a096d5 RDI: ffffffff936396a0
RBP: ffffffff93639660 R08: 0000000000000001 R09: 000000000000001f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000020 R14: ffffffff82a09670 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b5b883b7f8 CR3: 0000000112a02000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 serial_out drivers/tty/serial/8250/8250.h:142 [inline]
 serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3322 [inline]
 serial8250_console_write+0xf9e/0x17c0 drivers/tty/serial/8250/8250_port.c:3393
 console_emit_next_record kernel/printk/printk.c:3092 [inline]
 console_flush_all+0x800/0xc60 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+0x21f/0x3d0 arch/x86/kernel/dumpstack.c:285
 sched_show_task kernel/sched/core.c:7604 [inline]
 sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7579
 show_state_filter+0xee/0x320 kernel/sched/core.c:7649
 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_handle_events_default+0x116/0x1b0 drivers/input/input.c:2641
 input_pass_values+0x738/0x880 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_repeat_key+0x251/0x340 drivers/input/input.c:2316
 call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1794
 expire_timers kernel/time/timer.c:1845 [inline]
 __run_timers+0x6e8/0x930 kernel/time/timer.c:2419
 __run_timer_base kernel/time/timer.c:2430 [inline]
 __run_timer_base kernel/time/timer.c:2423 [inline]
 run_timer_base+0x111/0x190 kernel/time/timer.c:2439
 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2449
 handle_softirqs+0x206/0x8d0 kernel/softirq.c:554
 run_ksoftirqd kernel/softirq.c:927 [inline]
 run_ksoftirqd+0x3a/0x60 kernel/softirq.c:919
 smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164
 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>
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc08e0d4953
RSP: 002b:00007ffecec051f8 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000002260 RCX: 00007fc08e0d4953
RDX: 0000000040000000 RSI: 00007ffecec0520c RDI: 00000000ffffffff
RBP: 00007ffecec0520c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffecec05290
R13: 00007ffecec05298 R14: 0000000000000009 R15: 0000000000000000
 </TASK>
task:syz-executor    state:D stack:26912 pid:8785  tgid:8785  ppid:8779   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6782
 schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common+0x3e1/0x600 kernel/sched/completion.c:116
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion_state+0x1c/0x40 kernel/sched/completion.c:264
 call_usermodehelper_exec+0x3c4/0x4d0 kernel/umh.c:442
 call_modprobe kernel/module/kmod.c:103 [inline]
 __request_module+0x3f6/0x6c0 kernel/module/kmod.c:173
 __rtnl_newlink+0x64c/0x1920 net/core/rtnetlink.c:3748
 rtnl_newlink+0x67/0xa0 net/core/rtnetlink.c:3772
 rtnetlink_rcv_msg+0x3c7/0xea0 net/core/rtnetlink.c:6675
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2551
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg net/socket.c:744 [inline]
 __sys_sendto+0x479/0x4d0 net/socket.c:2214
 __do_sys_sendto net/socket.c:2226 [inline]
 __se_sys_sendto net/socket.c:2222 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2222
 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: 0033:0x7fc8c2640553
RSP: 002b:00007ffefbabf058 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fc8c3324620 RCX: 00007fc8c2640553
RDX: 000000000000003c RSI: 00007fc8c3324670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffefbabf074 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fc8c3324670 R15: 0000000000000000
 </TASK>
task:kworker/u8:5    state:R  running task     stack:32568 pid:8799  tgid:8799  ppid:326    flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:syz-executor    state:D stack:27344 pid:8800  tgid:8800  ppid:8784   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6782
 schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common+0x3e1/0x600 kernel/sched/completion.c:116
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion_state+0x1c/0x40 kernel/sched/completion.c:264
 call_usermodehelper_exec+0x3c4/0x4d0 kernel/umh.c:442
 call_modprobe kernel/module/kmod.c:103 [inline]
 __request_module+0x3f6/0x6c0 kernel/module/kmod.c:173
 __rtnl_newlink+0x64c/0x1920 net/core/rtnetlink.c:3748
 rtnl_newlink+0x67/0xa0 net/core/rtnetlink.c:3772
 rtnetlink_rcv_msg+0x3c7/0xea0 net/core/rtnetlink.c:6675
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2551
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg net/socket.c:744 [inline]
 __sys_sendto+0x479/0x4d0 net/socket.c:2214
 __do_sys_sendto net/socket.c:2226 [inline]
 __se_sys_sendto net/socket.c:2222 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2222
 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: 0033:0x7fc08e0e0553
RSP: 002b:00007ffecec04968 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fc08edc4620 RCX: 00007fc08e0e0553
RDX: 0000000000000038 RSI: 00007fc08edc4670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffecec04984 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fc08edc4670 R15: 0000000000000000
 </TASK>
task:syz-executor    state:R  running task     stack:32592 pid:8820  tgid:8820  ppid:4001   flags:0x00004002
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:kworker/u8:6    state:R  running task     stack:28784 pid:8829  tgid:8829  ppid:1163   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7214
 _cond_resched include/linux/sched.h:2031 [inline]
 stop_one_cpu+0x112/0x190 kernel/stop_machine.c:151
 sched_exec+0x1dc/0x270 kernel/sched/core.c:5459
 bprm_execve fs/exec.c:1838 [inline]
 bprm_execve+0x46c/0x1950 fs/exec.c:1821
 kernel_execve+0x2ef/0x3b0 fs/exec.c:2012
 call_usermodehelper_exec_async+0x255/0x4c0 kernel/umh.c:110
 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/u8:4    state:R  running task     stack:32568 pid:8836  tgid:8836  ppid:50     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:syz-executor    state:S stack:26144 pid:8837  tgid:8837  ppid:4001   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6782
 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: 0033:0x7f21a2294953
RSP: 002b:00007ffd5b54ec48 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000002289 RCX: 00007f21a2294953
RDX: 0000000040000000 RSI: 00007ffd5b54ec5c RDI: 00000000ffffffff
RBP: 00007ffd5b54ec5c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd5b54ece0
R13: 00007ffd5b54ece8 R14: 0000000000000009 R15: 0000000000000000
 </TASK>
task:kworker/u8:7    state:R  running task     stack:32568 pid:8838  tgid:8838  ppid:1671   flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:syz-executor    state:R  running task     stack:32592 pid:8840  tgid:8840  ppid:8820   flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:syz-executor    state:D stack:27680 pid:8841  tgid:8841  ppid:8837   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6782
 schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2591
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common+0x3e1/0x600 kernel/sched/completion.c:116
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion_state+0x1c/0x40 kernel/sched/completion.c:264
 call_usermodehelper_exec+0x3c4/0x4d0 kernel/umh.c:442
 call_modprobe kernel/module/kmod.c:103 [inline]
 __request_module+0x3f6/0x6c0 kernel/module/kmod.c:173
 dev_load+0x1ff/0x240 net/core/dev_ioctl.c:645
 dev_ioctl+0x473/0x10c0 net/core/dev_ioctl.c:709
 sock_do_ioctl+0x19e/0x280 net/socket.c:1241
 sock_ioctl+0x228/0x6c0 net/socket.c:1346
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x18f/0x220 fs/ioctl.c:893
 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: 0033:0x7f21a229e31b
RSP: 002b:00007ffd5b54e9d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f21a229e31b
RDX: 00007ffd5b54ea30 RSI: 0000000000008933 RDI: 0000000000000005
RBP: 00007ffd5b54ea30 R08: 000000000000000a R09: 0000000000000004
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd5b54eabc
R13: 00007ffd5b54eb40 R14: 00007ffd5b54eb30 R15: 0000000000000003
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8850  tgid:8850  ppid:326    flags:0x00000000
Call Trace:
 <TASK>
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class+0x4e/0x130 kernel/locking/lockdep.c:228
 </TASK>
task:modprobe        state:R  running task     stack:24000 pid:8855  tgid:8855  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 </TASK>
task:modprobe        state:R  running task     stack:24416 pid:8858  tgid:8858  ppid:1671   flags:0x00000002
Call Trace:
 <TASK>
 prepare_lock_switch kernel/sched/core.c:5066 [inline]
 context_switch kernel/sched/core.c:5325 [inline]
 __schedule+0x100f/0x34b0 kernel/sched/core.c:6690
 __pfx_lock_release+0x10/0x10 kernel/locking/lockdep.c:5346
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:8859  tgid:8859  ppid:326    flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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: 0033:0x7fd320204a90
RSP: 002b:00007ffc52f3ee08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fd3202f5860 RCX: 00007fd320204a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fd3202f5860 R08: 0000000000000001 R09: 0fda84ce319b7bb8
R10: 00007ffc52f3ecc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd3202f9658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:8860  tgid:8860  ppid:1163   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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: 0033:0x7fe4f077da90
RSP: 002b:00007fff5092e548 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fe4f086e860 RCX: 00007fe4f077da90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fe4f086e860 R08: 0000000000000001 R09: 82a9c6d23e5de4c4
R10: 00007fff5092e400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fe4f0872658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8868  tgid:8868  ppid:50     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:kworker/u8:5    state:R  running task     stack:32568 pid:8869  tgid:8869  ppid:326    flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8872  tgid:8872  ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:8877  tgid:8877  ppid:46     flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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: 0033:0x7fda6dbffa90
RSP: 002b:00007ffdc253bff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fda6dcf0860 RCX: 00007fda6dbffa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fda6dcf0860 R08: 0000000000000001 R09: ebe2c69290f77437
R10: 00007ffdc253beb0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fda6dcf4658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:8882  tgid:8882  ppid:1163   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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: 0033:0x7f5bb219aa90
RSP: 002b:00007ffc2579a6b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f5bb228b860 RCX: 00007f5bb219aa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f5bb228b860 R08: 0000000000000001 R09: cab57e0ec1994f7b
R10: 00007ffc2579a570 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f5bb228f658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8888  tgid:8888  ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8890  tgid:8890  ppid:1163   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8898  tgid:8898  ppid:1671   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8904  tgid:8904  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:26016 pid:8912  tgid:8912  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6782
 </TASK>
task:modprobe        state:R  running task     stack:25136 pid:8913  tgid:8913  ppid:1671   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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: 0033:0x7f731e66ea90
RSP: 002b:00007ffec8be86e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f731e75f860 RCX: 00007f731e66ea90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f731e75f860 R08: 0000000000000001 R09: 2b377facf6c136a5
R10: 00007ffec8be85a0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f731e763658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24416 pid:8918  tgid:8918  ppid:46     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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: 0033:0x7f911729aa90
RSP: 002b:00007ffd36b09648 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f911738b860 RCX: 00007f911729aa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f911738b860 R08: 0000000000000001 R09: 7a5e733dab742d14
R10: 00007ffd36b09500 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f911738f658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8923  tgid:8923  ppid:1163   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:24000 pid:8927  tgid:8927  ppid:1163   flags:0x00000002
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8935  tgid:8935  ppid:1163   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8939  tgid:8939  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 __cond_resched+0x1b/0x30 kernel/sched/core.c:7214
 _cond_resched include/linux/sched.h:2031 [inline]
 __tlb_batch_free_encoded_pages+0x12c/0x290 mm/mmu_gather.c:140
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu mm/mmu_gather.c:373 [inline]
 tlb_finish_mmu+0x168/0x7b0 mm/mmu_gather.c:465
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:8945  tgid:8945  ppid:50     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:8949  tgid:8949  ppid:46     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8955  tgid:8955  ppid:1163   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8959  tgid:8959  ppid:1163   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8967  tgid:8967  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:8969  tgid:8969  ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:8975  tgid:8975  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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: 0033:0x7fed1b347a90
RSP: 002b:00007ffc25cf7228 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fed1b438860 RCX: 00007fed1b347a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fed1b438860 R08: 0000000000000001 R09: eee3e8b66a1f78bc
R10: 00007ffc25cf70e0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fed1b43c658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8983  tgid:8983  ppid:50     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6869
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8988  tgid:8988  ppid:46     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:8989  tgid:8989  ppid:28     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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: 0033:0x7fee8b4c0a90
RSP: 002b:00007ffd291af9a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fee8b5b1860 RCX: 00007fee8b4c0a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fee8b5b1860 R08: 0000000000000001 R09: b24fc32179df8995
R10: 00007ffd291af860 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fee8b5b5658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:8995  tgid:8995  ppid:46     flags:0x00000000
Call Trace:
 <TASK>
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:9007  tgid:9007  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:modprobe        state:R  running task     stack:25424 pid:9011  tgid:9011  ppid:50     flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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: 0033:0x7fbb0187ea90
RSP: 002b:00007fff0777a378 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fbb0196f860 RCX: 00007fbb0187ea90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007fbb0196f860 R08: 0000000000000001 R09: 29a6dc2160fc748c
R10: 00007fff0777a230 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fbb01973658 R15: 0000000000000001
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:9016  tgid:9016  ppid:28     flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 </TASK>
task:kworker/u8:4    state:R  running task     stack:32568 pid:9023  tgid:9023  ppid:50     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:kworker/u8:3    state:R  running task     stack:32568 pid:9024  tgid:9024  ppid:46     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:kworker/u8:1    state:R  running task     stack:32568 pid:9025  tgid:9025  ppid:28     flags:0x00004000
Call Trace:
 <TASK>
 __switch_to_asm+0x70/0x70
 </TASK>
task:modprobe        state:R  running task     stack:24720 pid:9032  tgid:9032  ppid:1671   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x1042/0x34b0 kernel/sched/core.c:6690
 do_task_dead+0xd6/0x110 kernel/sched/core.c:6706
 do_exit+0x1de7/0x2ce0 kernel/exit.c:990
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 __do_sys_exit_group kernel/exit.c:1099 [inline]
 __se_sys_exit_group kernel/exit.c:1097 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1097
 x64_sys_call+0x14a9/0x16a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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: 0033:0x7ff4571dfa90
RSP: 002b:00007ffc40626128 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff4572d0860 RCX: 00007ff4571dfa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007ff4572d0860 R08: 0000000000000001 R09: 07ab327d64928f27
R10: 00007ffc40625fe0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff4572d4658 R15: 0000000000000001
 </TASK>

Showing all locks held in the system:
2 locks held by kworker/u8:0/11:
 #0: ffff888100089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
 #1: ffffc900000bfd80 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
5 locks held by ksoftirqd/0/15:
 #0: ffffc900000ffb58 ((&dev->timer)){+.-.}-{0:0}, at: call_timer_fn+0x11a/0x610 kernel/time/timer.c:1791
 #1: ffff88811735a230 (&dev->event_lock){..-.}-{2:2}, at: input_repeat_key+0x29/0x340 drivers/input/input.c:2308
 #2: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 #2: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #2: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: input_pass_values+0x8b/0x880 drivers/input/input.c:118
 #3: ffffffff89387cf8 (kbd_event_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #3: ffffffff89387cf8 (kbd_event_lock){..-.}-{2:2}, at: kbd_event+0x8a/0x17a0 drivers/tty/vt/keyboard.c:1535
 #4: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 #4: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #4: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6720
11 locks held by kworker/1:0/24:
 #0: ffff8881062cb548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
 #1: ffffc9000019fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
 #2: ffff88810af43190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
 #2: ffff88810af43190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849
 #3: ffff888117473190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
 #3: ffff888117473190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
 #4: ffff888117474160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
 #4: ffff888117474160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
 #5: ffff888113ad9a20 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
 #5: ffff888113ad9a20 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
 #6: ffffffff89bd82a8 (input_mutex){+.+.}-{3:3}, at: input_register_device+0x98a/0x1110 drivers/input/input.c:2463
 #7: ffff8881013062f8 (&led_cdev->led_access){+.+.}-{3:3}, at: led_classdev_register_ext+0x51b/0x9e0 drivers/leds/led-class.c:515
 #8: ffffffff892bba30 (triggers_list_lock){++++}-{3:3}, at: led_trigger_set_default drivers/leds/led-triggers.c:284 [inline]
 #8: ffffffff892bba30 (triggers_list_lock){++++}-{3:3}, at: led_trigger_set_default+0x5c/0x2a0 drivers/leds/led-triggers.c:276
 #9: ffff888101306210 (&led_cdev->trigger_lock){+.+.}-{3:3}, at: led_trigger_set_default drivers/leds/led-triggers.c:285 [inline]
 #9: ffff888101306210 (&led_cdev->trigger_lock){+.+.}-{3:3}, at: led_trigger_set_default+0x70/0x2a0 drivers/leds/led-triggers.c:276
 #10: ffffffff88ec6a38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329
2 locks held by kworker/u8:1/28:
 #0: ffff888100089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
 #1: ffffc900001e7d80 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
2 locks held by kworker/u8:2/37:
 #0: ffff888100089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
 #1: ffffc90000277d80 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
2 locks held by kworker/u8:3/46:
 #0: ffff888100089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
 #1: ffffc90000517d80 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
2 locks held by kworker/u8:4/50:
 #0: ffff888100089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
 #1: ffffc90000547d80 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
2 locks held by kworker/u8:5/326:
 #0: ffff888100089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
 #1: ffffc90001857d80 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
5 locks held by kworker/0:2/1113:
2 locks held by kworker/u8:7/1671:
 #0: ffff8881f593d6d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:598 [inline]
 #0: ffff8881f593d6d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1505 [inline]
 #0: ffff8881f593d6d8 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1804 [inline]
 #0: ffff8881f593d6d8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x293/0x34b0 kernel/sched/core.c:6589
 #1: ffffc90002fafd80 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
2 locks held by getty/2918:
 #0: ffff88810aafb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
 #1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
4 locks held by udevd/6809:
 #0: ffff888114824668 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xd8/0x12b0 fs/seq_file.c:182
 #1: ffff88811a505488 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
 #2: ffff8881151602d8 (kn->active){.+.+}-{0:0}, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
 #3: ffff888117473190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
 #3: ffff888117473190 (&dev->mutex){....}-{3:3}, at: uevent_show+0x188/0x3b0 drivers/base/core.c:2736
5 locks held by kworker/1:4/6842:
 #0: ffff8881062cb548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
 #1: ffffc90001c67d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
 #2: ffff88810ab40190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
 #2: ffff88810ab40190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849
 #3: ffff88811209f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
 #3: ffff88811209f190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295
 #4: ffff8881177e2160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
 #4: ffff8881177e2160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff8881177e2160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293
1 lock held by syz.7.15/6846:
 #0: ffffffff88ec6a38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x282/0x3b0 kernel/rcu/tree_exp.h:297
4 locks held by udevd/6849:
 #0: ffff8881148249e0 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xd8/0x12b0 fs/seq_file.c:182
 #1: ffff88811bb2c488 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
 #2: ffff8881139e1008 (kn->active){.+.+}-{0:0}, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
 #3: ffff8881066d0190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
 #3: ffff8881066d0190 (&dev->mutex){....}-{3:3}, at: uevent_show+0x188/0x3b0 drivers/base/core.c:2736
4 locks held by modprobe/9055:

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