hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 INFO: task kworker/u4:3:85 blocked for more than 140 seconds. hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 Not tainted 4.19.194-syzkaller #0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 kworker/u4:3 D26048 85 2 0x80000000 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 Workqueue: events_unbound fsnotify_connector_destroy_workfn hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 Call Trace: hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 schedule_timeout+0x92d/0xfe0 kernel/time/timer.c:1794 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common+0x29c/0x470 kernel/sched/completion.c:115 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 __synchronize_srcu+0x124/0x210 kernel/rcu/srcutree.c:936 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 fsnotify_connector_destroy_workfn+0x49/0xa0 fs/notify/mark.c:174 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 process_one_work+0x864/0x1570 kernel/workqueue.c:2152 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 worker_thread+0x64c/0x1130 kernel/workqueue.c:2295 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 kthread+0x33f/0x460 kernel/kthread.c:259 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task kworker/u4:4:659 blocked for more than 140 seconds. hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 Not tainted 4.19.194-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:4 D25664 659 2 0x80000000 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 Workqueue: events_unbound fsnotify_mark_destroy_workfn hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 Call Trace: hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 schedule_timeout+0x92d/0xfe0 kernel/time/timer.c:1794 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common+0x29c/0x470 kernel/sched/completion.c:115 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 __synchronize_srcu+0x124/0x210 kernel/rcu/srcutree.c:936 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 fsnotify_mark_destroy_workfn+0xfd/0x340 fs/notify/mark.c:795 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 process_one_work+0x864/0x1570 kernel/workqueue.c:2152 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 worker_thread+0x64c/0x1130 kernel/workqueue.c:2295 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 kthread+0x33f/0x460 kernel/kthread.c:259 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 hid-generic 0008:0008:0000.000B: unknown main item tag 0x0 hid-generic 0008:0008:0000.000A: unknown main item tag 0x0 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Showing all locks held in the system: 4 locks held by kworker/0:1/14: 3 locks held by kworker/1:0/19: 2 locks held by kworker/u4:3/85: #0: 00000000a40b9fe7 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2123 #1: 00000000a1e7d021 (connector_reaper_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2127 2 locks held by kworker/u4:4/659: #0: 00000000a40b9fe7 ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2123 #1: 0000000098c5f666 ((reaper_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2127 1 lock held by khungtaskd/1570: #0: 00000000a9d8c582 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7833: #0: 0000000037136dfe (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.194-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.194-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events uhid_device_add_worker RIP: 0010:core_kernel_text kernel/extable.c:77 [inline] RIP: 0010:kernel_text_address+0x11/0xf0 kernel/extable.c:127 Code: e0 89 72 0c 31 c0 48 81 ff 00 bb 28 8b 0f 92 c0 c3 0f 1f 84 00 00 00 00 00 55 48 89 fd 48 83 ec 08 48 81 ff 00 00 00 81 72 09 <48> 81 ff 00 70 40 88 72 4c 48 c7 c0 04 91 26 8b 48 ba 00 00 00 00 RSP: 0018:ffff8880ba0079a8 EFLAGS: 00000002 RAX: dffffc0000000000 RBX: ffffffff86102b7a RCX: 0000000000000000 RDX: 1ffff11017400f48 RSI: ffff8880ba007858 RDI: ffffffff86102b7a RBP: ffffffff86102b7a R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880ba007a57 R11: 0000000000074071 R12: ffff8880ba007a88 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88808feae1b0 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1b9b588000 CR3: 00000000a0d46000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kernel_text_address+0x9/0x30 kernel/extable.c:107 unwind_get_return_address arch/x86/kernel/unwind_orc.c:297 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:292 __save_stack_trace+0xaf/0x190 arch/x86/kernel/stacktrace.c:45 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] __kasan_slab_free+0x126/0x1f0 mm/kasan/kasan.c:521 __cache_free mm/slab.c:3503 [inline] kfree+0xcc/0x210 mm/slab.c:3822 skb_free_head net/core/skbuff.c:563 [inline] skb_release_data+0x6de/0x920 net/core/skbuff.c:583 skb_release_all net/core/skbuff.c:640 [inline] __kfree_skb net/core/skbuff.c:654 [inline] consume_skb+0x113/0x3d0 net/core/skbuff.c:714 mac80211_hwsim_tx_frame+0x133/0x210 drivers/net/wireless/mac80211_hwsim.c:1557 mac80211_hwsim_beacon_tx+0x3f8/0x680 drivers/net/wireless/mac80211_hwsim.c:1595 __iterate_interfaces+0x2e1/0x4a0 net/mac80211/util.c:614 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:650 mac80211_hwsim_beacon+0xc9/0x190 drivers/net/wireless/mac80211_hwsim.c:1615 __tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:601 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1724 [inline] RIP: 0010:vprintk_emit+0x668/0x740 kernel/printk/printk.c:1964 Code: 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 0f 85 d9 00 00 00 48 83 3d fc a9 a3 08 00 74 37 e8 8d a1 14 00 48 89 df 57 9d <0f> 1f 44 00 00 e9 82 fe ff ff e8 79 a1 14 00 0f 0b e8 72 a1 14 00 RSP: 0018:ffff8880b5a97410 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff8880b5a82380 RBX: 0000000000000293 RCX: 1ffff11016b5058a RDX: 0000000000000000 RSI: ffffffff814dd853 RDI: 0000000000000293 RBP: ffff8880b5a97450 R08: ffffffff8cd31750 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000003a R13: 1ffffffff13e3049 R14: 0000000000000200 R15: 0000000000000001 dev_vprintk_emit+0x2e3/0x640 drivers/base/core.c:3263 dev_printk_emit+0xbb/0xf0 drivers/base/core.c:3274 __dev_printk+0x108/0x260 drivers/base/core.c:3286 _dev_warn+0xd8/0x110 drivers/base/core.c:3330 hid_parser_main+0x65d/0xb60 drivers/hid/hid-core.c:629 hid_open_report+0x355/0x6e0 drivers/hid/hid-core.c:1089 hid_parse include/linux/hid.h:1032 [inline] hid_generic_probe+0x4a/0x90 drivers/hid/hid-generic.c:66 hid_device_probe+0x29e/0x3d0 drivers/hid/hid-core.c:2102 really_probe+0x622/0xbd0 drivers/base/dd.c:506 driver_probe_device+0x218/0x340 drivers/base/dd.c:667 __device_attach_driver+0x29e/0x370 drivers/base/dd.c:754 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:464 __device_attach+0x226/0x470 drivers/base/dd.c:822 bus_probe_device+0x1ea/0x2a0 drivers/base/bus.c:524 device_add+0xb37/0x16d0 drivers/base/core.c:2169 hid_add_device+0x344/0x9e0 drivers/hid/hid-core.c:2258 uhid_device_add_worker+0x3a/0x150 drivers/hid/uhid.c:65 process_one_work+0x864/0x1570 kernel/workqueue.c:2152 worker_thread+0x64c/0x1130 kernel/workqueue.c:2295 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415