syzbot


INFO: task hung in synchronize_rcu
Status: upstream: reported on 2019/11/08 21:27
Reported-by: syzbot+2911186fc91302d7feac@syzkaller.appspotmail.com
First crash: 928d, last: 4d15h
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in synchronize_rcu (3) C done done 338 2d06h 671d 21/22 upstream: reported C repro on 2020/07/22 18:22
android-49 INFO: task hung in synchronize_rcu 1 907d 907d 0/3 auto-closed as invalid on 2020/03/28 16:57
linux-4.14 INFO: task hung in synchronize_rcu C error 155 124d 929d 0/1 upstream: reported C repro on 2019/11/07 04:32
upstream INFO: task hung in synchronize_rcu syz done 1206 907d 933d 15/22 fixed on 2019/11/29 15:48
android-414 INFO: task hung in synchronize_rcu 1 925d 925d 0/1 auto-closed as invalid on 2020/03/10 10:42
upstream INFO: task hung in synchronize_rcu (2) 8 906d 907d 0/22 closed as invalid on 2019/11/30 16:54

Sample crash report:
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: <UNKNOWN> 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: <UNKNOWN> 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: <UNKNOWN> 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: <UNKNOWN> 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: <UNKNOWN> 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: <UNKNOWN> 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

Crashes (60):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2022/05/20 06:35 linux-4.19.y 3f8a27f9e27b cb1ac2e7 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/05/13 11:16 linux-4.19.y 3f8a27f9e27b 7ce5a022 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/04/07 10:10 linux-4.19.y 3f8a27f9e27b 53c67432 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/04/02 04:06 linux-4.19.y 3f8a27f9e27b 79a2a8fc .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/03/22 04:13 linux-4.19.y 3f8a27f9e27b e2d91b1d .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/02/26 11:46 linux-4.19.y 3f8a27f9e27b 45a13a73 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/02/15 12:36 linux-4.19.y 3f8a27f9e27b 8b9ca619 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/02/10 21:05 linux-4.19.y 3f8a27f9e27b 0b33604d .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/02/08 16:57 linux-4.19.y 3f8a27f9e27b 0b33604d .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/01/16 09:53 linux-4.19.y 3f8a27f9e27b 723cfaf0 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/01/14 07:48 linux-4.19.y 3f8a27f9e27b b8d780ab .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/01/13 01:44 linux-4.19.y 3f8a27f9e27b 44d1319a .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/01/12 22:50 linux-4.19.y 3f8a27f9e27b 44d1319a .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/01/12 20:36 linux-4.19.y 3f8a27f9e27b 44d1319a .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/01/12 15:06 linux-4.19.y 3f8a27f9e27b 44d1319a .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/01/11 05:23 linux-4.19.y 3f8a27f9e27b ddb0ab8c .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/01/10 09:25 linux-4.19.y 3f8a27f9e27b 2ca0d385 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/01/09 06:14 linux-4.19.y 3f8a27f9e27b 2ca0d385 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/01/09 02:46 linux-4.19.y 3f8a27f9e27b 2ca0d385 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2022/01/07 11:48 linux-4.19.y 3f8a27f9e27b 6acc789a .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/12/30 02:24 linux-4.19.y 3f8a27f9e27b 6cc879d4 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/12/25 22:30 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/12/24 14:55 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/12/24 08:58 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/12/24 05:05 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/12/23 20:09 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/12/21 14:27 linux-4.19.y 3f8a27f9e27b a938f0b8 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/12/19 13:59 linux-4.19.y 3f8a27f9e27b 44068e19 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/12/10 19:53 linux-4.19.y 3f8a27f9e27b fc17c959 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/11/30 02:47 linux-4.19.y 3f8a27f9e27b d0830353 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/11/29 02:06 linux-4.19.y 3f8a27f9e27b 63eeac02 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/11/03 06:02 linux-4.19.y 3f8a27f9e27b 17f3edd2 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/10/25 08:19 linux-4.19.y 3f8a27f9e27b 4f0000ee .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/10/03 12:50 linux-4.19.y c2276d585654 db0f5787 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/09/15 16:43 linux-4.19.y b172b44fcb17 07e953c1 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/08/19 08:55 linux-4.19.y 59456c9cc40c a2fe1cb5 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/06/22 02:31 linux-4.19.y eb575cd5d7f6 aba2b2fb .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/06/13 09:07 linux-4.19.y 9a2dc0e6c531 1ba81399 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/06/06 21:47 linux-4.19.y 1722257b8ece 500c2339 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/05/09 15:48 linux-4.19.y 3c8c23092588 bc5434be .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/04/19 02:08 linux-4.19.y 2965db2e004c 7e2b734b .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/03/11 13:59 linux-4.19.y 030194a5b292 c2ca1f2a .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/03/05 01:53 linux-4.19.y dfb571610ba3 f89ed068 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/02/24 07:03 linux-4.19.y 2d19be4653f5 fcc6d71b .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/02/07 12:06 linux-4.19.y 811218eceeaa 2ce644fc .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/02/03 23:12 linux-4.19.y 811218eceeaa 624dad51 .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/02/01 11:17 linux-4.19.y 811218eceeaa fc9fd31e .config log report info INFO: task hung in synchronize_rcu
ci2-linux-4-19 2021/01/09 06:20 linux-4.19.y 4143d798313f c104d4a3 .config log report info
ci2-linux-4-19 2021/01/05 22:37 linux-4.19.y 3207316b3bee b1c228e1 .config log report info
ci2-linux-4-19 2020/10/15 05:09 linux-4.19.y a1b977b49b66 fc7735a2 .config log report info
ci2-linux-4-19 2020/10/02 15:04 linux-4.19.y b09c34517e1a 062c9832 .config log report info
ci2-linux-4-19 2020/08/07 09:10 linux-4.19.y 961f830af065 cb436c69 .config log report
ci2-linux-4-19 2020/05/10 03:19 linux-4.19.y 84920cc7fbe1 8742a2b9 .config log report
ci2-linux-4-19 2020/02/20 18:48 linux-4.19.y 4fccc2503536 81230308 .config log report
ci2-linux-4-19 2020/01/19 05:25 linux-4.19.y dc4ba5be1bab bc8bc756 .config log report
ci2-linux-4-19 2020/01/16 02:28 linux-4.19.y db5b9190ff82 f9b69507 .config log report
ci2-linux-4-19 2019/12/30 11:25 linux-4.19.y 672481c2deff af6b8ef8 .config log report
ci2-linux-4-19 2019/12/14 10:56 linux-4.19.y 312017a460d5 eef6e580 .config log report
ci2-linux-4-19 2019/12/05 23:21 linux-4.19.y fb683b5e3f53 9fd5a512 .config log report
ci2-linux-4-19 2019/11/08 20:26 linux-4.19.y 5ee93551c703 1e35461e .config log report