hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005B: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005B: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 INFO: task kworker/u4:0:7 blocked for more than 140 seconds. hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005B: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 Not tainted 4.19.211-syzkaller #0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005B: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 kworker/u4:0 D25968 7 2 0x80000000 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005B: hidraw22: HID v7f.ff Device [syz0] on syz0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 Workqueue: events_unbound fsnotify_mark_destroy_workfn hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 Call Trace: hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 schedule_timeout+0x92d/0xfe0 kernel/time/timer.c:1794 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: 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 __synchronize_srcu+0x124/0x210 kernel/rcu/srcutree.c:936 fsnotify_mark_destroy_workfn+0xfd/0x340 fs/notify/mark.c:795 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 process_scheduled_works kernel/workqueue.c:2212 [inline] worker_thread+0x82b/0x1130 kernel/workqueue.c:2298 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task syz-executor.0:23085 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D29440 23085 8122 0x80000002 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 exp_funnel_lock kernel/rcu/tree_exp.h:320 [inline] _synchronize_rcu_expedited+0x60c/0x6f0 kernel/rcu/tree_exp.h:667 synchronize_rcu+0xc6/0x160 kernel/rcu/tree_plugin.h:818 namespace_unlock fs/namespace.c:1363 [inline] drop_collected_mounts+0x178/0x1a0 fs/namespace.c:1808 put_mnt_ns fs/namespace.c:3271 [inline] put_mnt_ns+0x5f/0x80 fs/namespace.c:3267 free_nsproxy+0x41/0x220 kernel/nsproxy.c:176 switch_task_namespaces+0xaa/0xc0 kernel/nsproxy.c:229 do_exit+0xbee/0x2be0 kernel/exit.c:869 do_group_exit+0x125/0x310 kernel/exit.c:967 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f59b05da0e9 Code: Bad RIP value. RSP: 002b:00000000200002b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f59b06ecf60 RCX: 00007f59b05da0e9 RDX: 00007f59b05da0e9 RSI: 0000000000000000 RDI: 000000000000000b RBP: 000000000000000b R08: 0000000020000900 R09: 00007f59b06ecf60 R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc12e9c51f R14: 00007f59aef4f300 R15: 0000000000022000 INFO: task syz-executor.4:23087 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D29440 23087 8129 0x80000002 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 exp_funnel_lock kernel/rcu/tree_exp.h:320 [inline] _synchronize_rcu_expedited+0x60c/0x6f0 kernel/rcu/tree_exp.h:667 synchronize_rcu+0xc6/0x160 kernel/rcu/tree_plugin.h:818 namespace_unlock fs/namespace.c:1363 [inline] drop_collected_mounts+0x178/0x1a0 fs/namespace.c:1808 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 put_mnt_ns fs/namespace.c:3271 [inline] put_mnt_ns+0x5f/0x80 fs/namespace.c:3267 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 free_nsproxy+0x41/0x220 kernel/nsproxy.c:176 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 switch_task_namespaces+0xaa/0xc0 kernel/nsproxy.c:229 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 do_exit+0xbee/0x2be0 kernel/exit.c:869 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005E: hidraw23: HID v7f.ff Device [syz0] on syz0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 do_group_exit+0x125/0x310 kernel/exit.c:967 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 entry_SYSCALL_64_after_hwframe+0x49/0xbe hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 RIP: 0033:0x7f1bede210e9 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 Code: Bad RIP value. hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 RSP: 002b:00000000200002b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f1bedf33f60 RCX: 00007f1bede210e9 RDX: 00007f1bede210e9 RSI: 0000000000000000 RDI: 000000000000000b RBP: 000000000000000b R08: 0000000020000900 R09: 00007f1bedf33f60 R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff8f6d16ef R14: 00007f1bec796300 R15: 0000000000022000 INFO: task syz-executor.2:23093 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28576 23093 8128 0x80000002 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 exp_funnel_lock kernel/rcu/tree_exp.h:320 [inline] _synchronize_rcu_expedited+0x60c/0x6f0 kernel/rcu/tree_exp.h:667 synchronize_rcu+0xc6/0x160 kernel/rcu/tree_plugin.h:818 namespace_unlock fs/namespace.c:1363 [inline] drop_collected_mounts+0x178/0x1a0 fs/namespace.c:1808 put_mnt_ns fs/namespace.c:3271 [inline] put_mnt_ns+0x5f/0x80 fs/namespace.c:3267 free_nsproxy+0x41/0x220 kernel/nsproxy.c:176 switch_task_namespaces+0xaa/0xc0 kernel/nsproxy.c:229 do_exit+0xbee/0x2be0 kernel/exit.c:869 do_group_exit+0x125/0x310 kernel/exit.c:967 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fc016ffb0e9 Code: Bad RIP value. RSP: 002b:00000000200002b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fc01710df60 RCX: 00007fc016ffb0e9 RDX: 00007fc016ffb0e9 RSI: 0000000000000000 RDI: 000000000000000b RBP: 000000000000000b R08: 0000000020000900 R09: 00007fc01710df60 R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff20a3bd0f R14: 00007fc015970300 R15: 0000000000022000 INFO: task syz-executor.1:23098 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D29440 23098 8131 0x80000002 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 exp_funnel_lock kernel/rcu/tree_exp.h:320 [inline] _synchronize_rcu_expedited+0x60c/0x6f0 kernel/rcu/tree_exp.h:667 synchronize_rcu+0xc6/0x160 kernel/rcu/tree_plugin.h:818 namespace_unlock fs/namespace.c:1363 [inline] drop_collected_mounts+0x178/0x1a0 fs/namespace.c:1808 put_mnt_ns fs/namespace.c:3271 [inline] put_mnt_ns+0x5f/0x80 fs/namespace.c:3267 free_nsproxy+0x41/0x220 kernel/nsproxy.c:176 switch_task_namespaces+0xaa/0xc0 kernel/nsproxy.c:229 do_exit+0xbee/0x2be0 kernel/exit.c:869 do_group_exit+0x125/0x310 kernel/exit.c:967 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f6c7c1440e9 Code: Bad RIP value. RSP: 002b:00000000200002b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f6c7c256f60 RCX: 00007f6c7c1440e9 RDX: 00007f6c7c1440e9 RSI: 0000000000000000 RDI: 000000000000000b RBP: 000000000000000b R08: 0000000020000900 R09: 00007f6c7c256f60 R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd51bfecff R14: 00007f6c7aab9300 R15: 0000000000022000 INFO: task syz-executor.3:23105 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28984 23105 8127 0x80000002 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 exp_funnel_lock kernel/rcu/tree_exp.h:320 [inline] _synchronize_rcu_expedited+0x60c/0x6f0 kernel/rcu/tree_exp.h:667 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 synchronize_rcu+0xc6/0x160 kernel/rcu/tree_plugin.h:818 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 namespace_unlock fs/namespace.c:1363 [inline] drop_collected_mounts+0x178/0x1a0 fs/namespace.c:1808 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 put_mnt_ns fs/namespace.c:3271 [inline] put_mnt_ns+0x5f/0x80 fs/namespace.c:3267 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 free_nsproxy+0x41/0x220 kernel/nsproxy.c:176 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 switch_task_namespaces+0xaa/0xc0 kernel/nsproxy.c:229 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 do_exit+0xbee/0x2be0 kernel/exit.c:869 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 do_group_exit+0x125/0x310 kernel/exit.c:967 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 entry_SYSCALL_64_after_hwframe+0x49/0xbe hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 RIP: 0033:0x7fa62a6e50e9 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 Code: Bad RIP value. hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 RSP: 002b:00000000200002b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 RAX: ffffffffffffffda RBX: 00007fa62a7f7f60 RCX: 00007fa62a6e50e9 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 RDX: 00007fa62a6e50e9 RSI: 0000000000000000 RDI: 000000000000000b hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 RBP: 000000000000000b R08: 0000000020000900 R09: 00007fa62a7f7f60 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000000 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005F: unknown main item tag 0x0 R13: 00007ffd6c0997af R14: 00007fa62905a300 R15: 0000000000022000 hid-generic 03FF:07FF:0003.005F: hidraw24: HID v7f.ff Device [syz0] on syz0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 INFO: task syz-executor.0:23109 blocked for more than 140 seconds. hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 Not tainted 4.19.211-syzkaller #0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 syz-executor.0 D28984 23109 8122 0x80000002 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.005D: hidraw25: HID v7f.ff Device [syz0] on syz0 Call Trace: hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 exp_funnel_lock kernel/rcu/tree_exp.h:320 [inline] _synchronize_rcu_expedited+0x60c/0x6f0 kernel/rcu/tree_exp.h:667 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 synchronize_rcu+0xc6/0x160 kernel/rcu/tree_plugin.h:818 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 namespace_unlock fs/namespace.c:1363 [inline] drop_collected_mounts+0x178/0x1a0 fs/namespace.c:1808 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 put_mnt_ns fs/namespace.c:3271 [inline] put_mnt_ns+0x5f/0x80 fs/namespace.c:3267 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 free_nsproxy+0x41/0x220 kernel/nsproxy.c:176 switch_task_namespaces+0xaa/0xc0 kernel/nsproxy.c:229 do_exit+0xbee/0x2be0 kernel/exit.c:869 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 do_group_exit+0x125/0x310 kernel/exit.c:967 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 RIP: 0033:0x7f59b05da0e9 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 Code: Bad RIP value. hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 RSP: 002b:00000000200002b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f59b06ecf60 RCX: 00007f59b05da0e9 RDX: 00007f59b05da0e9 RSI: 0000000000000000 RDI: 000000000000000b RBP: 000000000000000b R08: 0000000020000900 R09: 00007f59b06ecf60 R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc12e9c51f R14: 00007f59aef4f300 R15: 0000000000022000 INFO: task syz-executor.4:23119 blocked for more than 140 seconds. hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 Not tainted 4.19.211-syzkaller #0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 syz-executor.4 D29440 23119 8129 0x80000002 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 exp_funnel_lock kernel/rcu/tree_exp.h:320 [inline] _synchronize_rcu_expedited+0x60c/0x6f0 kernel/rcu/tree_exp.h:667 synchronize_rcu+0xc6/0x160 kernel/rcu/tree_plugin.h:818 namespace_unlock fs/namespace.c:1363 [inline] drop_collected_mounts+0x178/0x1a0 fs/namespace.c:1808 put_mnt_ns fs/namespace.c:3271 [inline] put_mnt_ns+0x5f/0x80 fs/namespace.c:3267 free_nsproxy+0x41/0x220 kernel/nsproxy.c:176 switch_task_namespaces+0xaa/0xc0 kernel/nsproxy.c:229 do_exit+0xbee/0x2be0 kernel/exit.c:869 do_group_exit+0x125/0x310 kernel/exit.c:967 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f1bede210e9 Code: Bad RIP value. RSP: 002b:00000000200002b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f1bedf33f60 RCX: 00007f1bede210e9 RDX: 00007f1bede210e9 RSI: 0000000000000000 RDI: 000000000000000b RBP: 000000000000000b R08: 0000000020000900 R09: 00007f1bedf33f60 R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff8f6d16ef R14: 00007f1bec796300 R15: 0000000000022000 INFO: task syz-executor.2:23128 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28984 23128 8128 0x80000002 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 exp_funnel_lock kernel/rcu/tree_exp.h:320 [inline] _synchronize_rcu_expedited+0x60c/0x6f0 kernel/rcu/tree_exp.h:667 synchronize_rcu+0xc6/0x160 kernel/rcu/tree_plugin.h:818 namespace_unlock fs/namespace.c:1363 [inline] drop_collected_mounts+0x178/0x1a0 fs/namespace.c:1808 put_mnt_ns fs/namespace.c:3271 [inline] put_mnt_ns+0x5f/0x80 fs/namespace.c:3267 free_nsproxy+0x41/0x220 kernel/nsproxy.c:176 switch_task_namespaces+0xaa/0xc0 kernel/nsproxy.c:229 do_exit+0xbee/0x2be0 kernel/exit.c:869 do_group_exit+0x125/0x310 kernel/exit.c:967 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fc016ffb0e9 Code: Bad RIP value. RSP: 002b:00000000200002b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fc01710df60 RCX: 00007fc016ffb0e9 RDX: 00007fc016ffb0e9 RSI: 0000000000000000 RDI: 000000000000000b RBP: 000000000000000b R08: 0000000020000900 R09: 00007fc01710df60 R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff20a3bd0f R14: 00007fc015970300 R15: 0000000000022000 INFO: task syz-executor.1:23130 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D28576 23130 8131 0x80000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 exp_funnel_lock kernel/rcu/tree_exp.h:320 [inline] _synchronize_rcu_expedited+0x60c/0x6f0 kernel/rcu/tree_exp.h:667 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 synchronize_rcu+0xc6/0x160 kernel/rcu/tree_plugin.h:818 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 namespace_unlock fs/namespace.c:1363 [inline] drop_collected_mounts+0x178/0x1a0 fs/namespace.c:1808 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 put_mnt_ns fs/namespace.c:3271 [inline] put_mnt_ns+0x5f/0x80 fs/namespace.c:3267 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 free_nsproxy+0x41/0x220 kernel/nsproxy.c:176 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 switch_task_namespaces+0xaa/0xc0 kernel/nsproxy.c:229 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 do_exit+0xbee/0x2be0 kernel/exit.c:869 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 do_group_exit+0x125/0x310 kernel/exit.c:967 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 entry_SYSCALL_64_after_hwframe+0x49/0xbe hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0060: hidraw26: HID v7f.ff Device [syz0] on syz0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 RIP: 0033:0x7f6c7c1440e9 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 Code: Bad RIP value. hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 RSP: 002b:00000000200002b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 RAX: ffffffffffffffda RBX: 00007f6c7c256f60 RCX: 00007f6c7c1440e9 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 RDX: 00007f6c7c1440e9 RSI: 0000000000000000 RDI: 000000000000000b hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 RBP: 000000000000000b R08: 0000000020000900 R09: 00007f6c7c256f60 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000000 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 R13: 00007ffd51bfecff R14: 00007f6c7aab9300 R15: 0000000000022000 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 Showing all locks held in the system: hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 2 locks held by kworker/u4:0/7: hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 #0: 0000000011d33b2f ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 #1: 00000000e5b4e174 ((reaper_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 1 lock held by khungtaskd/1570: hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 #0: 000000008cc16191 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 1 lock held by systemd-journal/4694: hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 1 lock held by in:imklog/7798: hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 #0: 0000000095a659db (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 3 locks held by kworker/0:4/9348: hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 3 locks held by kworker/u4:6/9478: hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 #0: 00000000e20c018c ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0061: hidraw27: HID v7f.ff Device [syz0] on syz0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 #1: 00000000c00c1715 (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 #2: 0000000043bb7c34 (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 2 locks held by kworker/u4:7/9483: hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 #0: 0000000011d33b2f ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 #1: 00000000dea08ab7 (connector_reaper_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 1 lock held by syz-executor.3/23065: hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 #0: 0000000043a3968c (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline] #0: 0000000043a3968c (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x256/0x6f0 kernel/rcu/tree_exp.h:667 3 locks held by kworker/1:6/6335: hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 3 locks held by syz-executor.1/6345: #0: 0000000043bb7c34 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000036e4f488 (rtnl_mutex){+.+.}, at: ip6_tnl_exit_batch_net+0x82/0x840 net/ipv6/ip6_tunnel.c:2284 #2: 0000000043a3968c (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline] #2: 0000000043a3968c (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x256/0x6f0 kernel/rcu/tree_exp.h:667 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 2 locks held by syz-executor.0/6375: #0: 0000000043bb7c34 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 #1: 0000000036e4f488 (rtnl_mutex){+.+.}, at: vti6_exit_batch_net+0x82/0x620 net/ipv6/ip6_vti.c:1173 2 locks held by syz-executor.2/6455: #0: 0000000043bb7c34 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 0000000036e4f488 (rtnl_mutex){+.+.}, at: gtp_net_exit+0x1ba/0x380 drivers/net/gtp.c:1360 2 locks held by syz-executor.4/6487: hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 #0: 0000000043bb7c34 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 #1: 0000000036e4f488 (rtnl_mutex){+.+.}, at: gtp_net_exit+0x1ba/0x380 drivers/net/gtp.c:1360 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 2 locks held by syz-executor.3/6495: hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 #0: 0000000043bb7c34 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 #1: 0000000036e4f488 (rtnl_mutex){+.+.}, at: gtp_net_exit+0x1ba/0x380 drivers/net/gtp.c:1360 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 2 locks held by syz-executor.5/6496: hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 #0: 0000000043bb7c34 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 #1: 0000000036e4f488 (rtnl_mutex){+.+.}, at: gtp_net_exit+0x1ba/0x380 drivers/net/gtp.c:1360 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 ============================================= hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 NMI backtrace for cpu 0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 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 0 to CPUs 1: hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 NMI backtrace for cpu 1 CPU: 1 PID: 6335 Comm: kworker/1:6 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events uhid_device_add_worker RIP: 0010:io_serial_in+0x60/0x80 drivers/tty/serial/8250/8250_port.c:455 Code: 0f b6 8d e1 00 00 00 48 8d 7d 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 d3 e3 80 3c 02 00 75 13 03 5d 38 89 da ec <5b> 0f b6 c0 5d c3 e8 c5 80 d7 fd eb c9 e8 0e 83 d7 fd eb e6 66 66 RSP: 0018:ffff888063c171b0 EFLAGS: 00000002 RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000 RDX: 00000000000003fd RSI: ffffffff83c0deec RDI: ffffffff8dc90258 RBP: ffffffff8dc90220 R08: 0000000000000001 R09: 000000000000000a R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000020 R13: fffffbfff1b9208c R14: fffffbfff1b9204d R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4218845028 CR3: 00000000a0fdc000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: serial_in drivers/tty/serial/8250/8250.h:111 [inline] wait_for_xmitr+0x9a/0x230 drivers/tty/serial/8250/8250_port.c:2049 serial8250_console_putchar+0x1b/0x50 drivers/tty/serial/8250/8250_port.c:3242 uart_console_write+0x59/0x100 drivers/tty/serial/serial_core.c:1888 serial8250_console_write+0x6aa/0xb70 drivers/tty/serial/8250/8250_port.c:3308 call_console_drivers kernel/printk/printk.c:1764 [inline] console_unlock+0xbb6/0x1110 kernel/printk/printk.c:2460 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965 dev_vprintk_emit+0x2e3/0x640 drivers/base/core.c:3264 dev_printk_emit+0xbb/0xf0 drivers/base/core.c:3275 __dev_printk+0x108/0x260 drivers/base/core.c:3287 _dev_warn+0xd8/0x110 drivers/base/core.c:3331 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:2105 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:2170 hid_add_device+0x344/0x9e0 drivers/hid/hid-core.c:2257 uhid_device_add_worker+0x3a/0x150 drivers/hid/uhid.c:65 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0063: unknown main item tag 0x0 hid-generic 03FF:07FF:0003.0062: unknown main item tag 0x0 ---------------- Code disassembly (best guess): 0: 0f b6 8d e1 00 00 00 movzbl 0xe1(%rbp),%ecx 7: 48 8d 7d 38 lea 0x38(%rbp),%rdi b: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 12: fc ff df 15: 48 89 fa mov %rdi,%rdx 18: 48 c1 ea 03 shr $0x3,%rdx 1c: d3 e3 shl %cl,%ebx 1e: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 22: 75 13 jne 0x37 24: 03 5d 38 add 0x38(%rbp),%ebx 27: 89 da mov %ebx,%edx 29: ec in (%dx),%al * 2a: 5b pop %rbx <-- trapping instruction 2b: 0f b6 c0 movzbl %al,%eax 2e: 5d pop %rbp 2f: c3 retq 30: e8 c5 80 d7 fd callq 0xfdd780fa 35: eb c9 jmp 0x0 37: e8 0e 83 d7 fd callq 0xfdd7834a 3c: eb e6 jmp 0x24 3e: 66 data16 3f: 66 data16