syzbot has found a reproducer for the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output:
https://syzkaller.appspot.com/x/log.txt?x=14aad4e0880000
kernel config:
https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link:
https://syzkaller.appspot.com/bug?extid=2911186fc91302d7feac
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
syz repro:
https://syzkaller.appspot.com/x/repro.syz?x=1492ee4c880000
C reproducer:
https://syzkaller.appspot.com/x/repro.c?x=15cf6bdf080000
Downloadable assets:
disk image:
https://storage.googleapis.com/98c0bdb4abb3/disk-3f8a27f9.raw.xz
vmlinux:
https://storage.googleapis.com/ea228ff02669/vmlinux-3f8a27f9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by:
syzbot+291118...@syzkaller.appspotmail.com
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
INFO: task syz-executor305:8241 blocked for more than 140 seconds.
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
Not tainted 4.19.211-syzkaller #0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
syz-executor305 D28648 8241 8104 0x00000004
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
Call Trace:
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
hid-generic 0009:0000:FFFFFFC0.0006: 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 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
synchronize_rcu_bh_expedited include/linux/rcutree.h:71 [inline]
synchronize_rcu_bh+0xc1/0x160 kernel/rcu/tree.c:3193
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
vhost_net_release+0x13d/0x210 drivers/vhost/net.c:1178
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
__fput+0x2ce/0x890 fs/file_table.c:278
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
task_work_run+0x148/0x1c0 kernel/task_work.c:113
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RIP: 0033:0x7f0b55b9b793
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
Code: Bad RIP value.
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RSP: 002b:00007fff65c9ae98 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f0b55b9b793
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RDX: 0000000000000000 RSI: 0000000020001880 RDI: 0000000000000004
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
R10: 0000000004000004 R11: 0000000000000246 R12: 00007fff65c9aed0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
R13: 00007fff65c9aec0 R14: 00007fff65c9aeb0 R15: 0000000000000000
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
INFO: task syz-executor305:8242 blocked for more than 140 seconds.
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
Not tainted 4.19.211-syzkaller #0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
syz-executor305 D28648 8242 8107 0x00000004
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
Call Trace:
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
hid-generic 0009:0000:FFFFFFC0.0006: 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 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
synchronize_rcu_bh_expedited include/linux/rcutree.h:71 [inline]
synchronize_rcu_bh+0xc1/0x160 kernel/rcu/tree.c:3193
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
vhost_net_release+0x13d/0x210 drivers/vhost/net.c:1178
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
__fput+0x2ce/0x890 fs/file_table.c:278
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
task_work_run+0x148/0x1c0 kernel/task_work.c:113
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RIP: 0033:0x7f0b55b9b793
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
Code: Bad RIP value.
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RSP: 002b:00007fff65c9ae98 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f0b55b9b793
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RDX: 0000000000000000 RSI: 0000000020001880 RDI: 0000000000000004
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
R10: 0000000004000004 R11: 0000000000000246 R12: 00007fff65c9aed0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
R13: 00007fff65c9aec0 R14: 00007fff65c9aeb0 R15: 0000000000000000
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
INFO: task syz-executor305:8243 blocked for more than 140 seconds.
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
Not tainted 4.19.211-syzkaller #0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
syz-executor305 D28648 8243 8109 0x00000004
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
Call Trace:
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
hid-generic 0009:0000:FFFFFFC0.0006: 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 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
synchronize_rcu_bh_expedited include/linux/rcutree.h:71 [inline]
synchronize_rcu_bh+0xc1/0x160 kernel/rcu/tree.c:3193
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
vhost_net_release+0x13d/0x210 drivers/vhost/net.c:1178
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
__fput+0x2ce/0x890 fs/file_table.c:278
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
task_work_run+0x148/0x1c0 kernel/task_work.c:113
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
tracehook_notify_resume include/linux/tracehook.h:193 [inline]
exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RIP: 0033:0x7f0b55b9b793
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
Code: Bad RIP value.
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RSP: 002b:00007fff65c9ae98 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f0b55b9b793
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RDX: 0000000000000000 RSI: 0000000020001880 RDI: 0000000000000004
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
R10: 0000000004000004 R11: 0000000000000246 R12: 00007fff65c9aed0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
R13: 00007fff65c9aec0 R14: 00007fff65c9aeb0 R15: 0000000000000000
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
Showing all locks held in the system:
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
1 lock held by khungtaskd/1570:
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
#0: 000000003458d367 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
6 locks held by kworker/1:2/3460:
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
1 lock held by in:imklog/7798:
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
1 lock held by syz-executor305/8231:
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
#0: 00000000dd4d0d64 (rcu_sched_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline]
#0: 00000000dd4d0d64 (rcu_sched_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x256/0x6f0 kernel/rcu/tree_exp.h:667
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
1 lock held by syz-executor305/8264:
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
#0: 00000000dd4d0d64 (rcu_sched_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:329 [inline]
#0: 00000000dd4d0d64 (rcu_sched_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x256/0x6f0 kernel/rcu/tree_exp.h:667
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
=============================================
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
NMI backtrace for cpu 0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
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
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
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
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
Sending NMI from CPU 0 to CPUs 1:
hid-generic 0009:0000:FFFFFFC0.0006: unknown main item tag 0x0
NMI backtrace for cpu 1
CPU: 1 PID: 3460 Comm: kworker/1:2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Workqueue: events uhid_device_add_worker
RIP: 0010:number+0x46c/0xa90 lib/vsprintf.c:505
Code: e0 4c 89 e2 48 be 00 00 00 00 00 fc ff df 48 c1 e8 03 83 e2 07 0f b6 04 30 38 d0 7f 08 84 c0 0f 85 fe 05 00 00 41 c6 04 24 20 <e8> ef 80 72 f9 83 eb 01 31 ff 49 83 c4 01 89 de e8 4f 82 72 f9 83
RSP: 0018:ffff8880a9fd7000 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff87f00439
RDX: 0000000000000001 RSI: dffffc0000000000 RDI: 0000000000000005
RBP: 0000000000000002 R08: 0000000000000009 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff8d202321
R13: 0000000000000003 R14: ffffffffffffffff R15: ffffffff8d202321
FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6a840051b8 CR3: 00000000a194c000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
vsnprintf+0xf07/0x14f0 lib/vsprintf.c:2385
sprintf+0xc0/0x100 lib/vsprintf.c:2521
print_time kernel/printk/printk.c:1264 [inline]
print_prefix+0x265/0x3f0 kernel/printk/printk.c:1287
msg_print_text+0xcd/0x1c0 kernel/printk/printk.c:1314
console_unlock+0x321/0x1110 kernel/printk/printk.c:2434
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