Extracting prog: 3m42.864157071s
Minimizing prog: 36m33.119873744s
Simplifying prog options: 0s
Extracting C: 4m32.057760332s
Simplifying C: 53m41.871798374s
extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x802, 0x0)
write$UHID_CREATE(r0, &(0x7f0000001440)={0x0, {'syz1\x00', 'syz0\x00', 'syz1\x00', &(0x7f0000000440)=""/4096, 0x1000, 0x6, 0x6, 0x4, 0x6, 0x5}}, 0x120)
program crashed: INFO: task hung in uhid_char_release
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid
detailed listing:
executing program 0:
openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x802, 0x0)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$UHID_CREATE
detailed listing:
executing program 0:
write$UHID_CREATE(0xffffffffffffffff, &(0x7f0000001440)={0x0, {'syz1\x00', 'syz0\x00', 'syz1\x00', &(0x7f0000000440)=""/4096, 0x1000, 0x6, 0x6, 0x4, 0x6, 0x5}}, 0x120)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, 0x0, 0x802, 0x0)
write$UHID_CREATE(r0, &(0x7f0000001440)={0x0, {'syz1\x00', 'syz0\x00', 'syz1\x00', &(0x7f0000000440)=""/4096, 0x1000, 0x6, 0x6, 0x4, 0x6, 0x5}}, 0x120)
VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x802, 0x0)
write$UHID_CREATE(r0, 0x0, 0x0)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x802, 0x0)
write$UHID_CREATE(r0, &(0x7f0000001440)={0x0, {'syz1\x00', 'syz0\x00', 'syz1\x00', 0x0, 0x0, 0x6, 0x6, 0x4, 0x6, 0x5}}, 0x120)
program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: INFO: task hung in uhid_char_release
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: INFO: task hung in uhid_char_release
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: INFO: task hung in uhid_char_release
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: INFO: task hung in uhid_char_release
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: INFO: task hung in do_exit
a never seen crash title: INFO: task hung in do_exit, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: INFO: task hung in uhid_char_release
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: INFO: task hung in uhid_char_release
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: INFO: task hung in uhid_char_release
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x802, 0x0)
write$UHID_CREATE(r0, &(0x7f0000001440)={0x0, {'syz1\x00', 'syz0\x00', 'syz1\x00', &(0x7f0000000440)=""/4096, 0x1000, 0x6, 0x6, 0x4, 0x6, 0x5}}, 0x120)
program crashed: INFO: task hung in uhid_char_release
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x802, 0x0)
write$UHID_CREATE(r0, &(0x7f0000001440)={0x0, {'syz1\x00', 'syz0\x00', 'syz1\x00', &(0x7f0000000440)=""/4096, 0x1000, 0x6, 0x6, 0x4, 0x6, 0x5}}, 0x120)
program crashed: INFO: task hung in uhid_char_release
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x802, 0x0)
write$UHID_CREATE(r0, &(0x7f0000001440)={0x0, {'syz1\x00', 'syz0\x00', 'syz1\x00', &(0x7f0000000440)=""/4096, 0x1000, 0x6, 0x6, 0x4, 0x6, 0x5}}, 0x120)
program crashed: INFO: task hung in uhid_char_release
validation run: crashed=true
reproducing took 1h47m4.904176119s
repro crashed as (corrupted=false):
INFO: task syz.4.19:403 blocked for more than 122 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.19 state:D
stack:0 pid:403 tgid:403 ppid:384 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:6026 [inline]
__schedule+0x14ce/0x2100 kernel/sched/core.c:7893
__schedule_loop kernel/sched/core.c:7974 [inline]
schedule+0xc5/0x240 kernel/sched/core.c:7989
schedule_timeout+0xc7/0x3b0 kernel/time/timer.c:2596
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common+0x369/0x650 kernel/sched/completion.c:127
wait_for_completion+0x1c/0x40 kernel/sched/completion.c:148
__flush_work+0x712/0xb10 kernel/workqueue.c:4278
__cancel_work_sync kernel/workqueue.c:4399 [inline]
cancel_work_sync+0xac/0xe0 kernel/workqueue.c:4436
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xa7/0x600 drivers/hid/uhid.c:662
__fput+0x1fb/0xa00 fs/file_table.c:429
____fput+0x20/0x30 fs/file_table.c:457
task_work_run+0x1e5/0x260 kernel/task_work.c:246
resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fc7eb39ce59
RSP: 002b:00007ffe3729e8a8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe3729e990 RCX: 00007fc7eb39ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000001cb79 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33e20000 R11: 0000000000000246 R12: 00007ffe3729e9d0
R13: 00007fc7eb615fac R14: 000000000001cbb3 R15: 00007fc7eb615fa0
INFO: task syz.5.21:406 blocked for more than 137 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.21 state:D stack:0 pid:406 tgid:406 ppid:385 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:6026 [inline]
__schedule+0x14ce/0x2100 kernel/sched/core.c:7893
__schedule_loop kernel/sched/core.c:7974 [inline]
schedule+0xc5/0x240 kernel/sched/core.c:7989
schedule_timeout+0xc7/0x3b0 kernel/time/timer.c:2596
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common+0x369/0x650 kernel/sched/completion.c:127
wait_for_completion+0x1c/0x40 kernel/sched/completion.c:148
__flush_work+0x712/0xb10 kernel/workqueue.c:4278
__cancel_work_sync kernel/workqueue.c:4399 [inline]
cancel_work_sync+0xac/0xe0 kernel/workqueue.c:4436
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xa7/0x600 drivers/hid/uhid.c:662
__fput+0x1fb/0xa00 fs/file_table.c:429
____fput+0x20/0x30 fs/file_table.c:457
task_work_run+0x1e5/0x260 kernel/task_work.c:246
resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f02b259ce59
RSP: 002b:00007fffe1fb9238 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fffe1fb9320 RCX: 00007f02b259ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000001cb81 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33f20000 R11: 0000000000000246 R12: 00007fffe1fb9360
R13: 00007f02b2815fac R14: 000000000001cbb4 R15: 00007f02b2815fa0
INFO: task syz.0.17:411 blocked for more than 137 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.17 state:D
stack:0 pid:411 tgid:411 ppid:380 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:6026 [inline]
__schedule+0x14ce/0x2100 kernel/sched/core.c:7893
__schedule_loop kernel/sched/core.c:7974 [inline]
schedule+0xc5/0x240 kernel/sched/core.c:7989
schedule_timeout+0xc7/0x3b0 kernel/time/timer.c:2596
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common+0x369/0x650 kernel/sched/completion.c:127
wait_for_completion+0x1c/0x40 kernel/sched/completion.c:148
__flush_work+0x712/0xb10 kernel/workqueue.c:4278
__cancel_work_sync kernel/workqueue.c:4399 [inline]
cancel_work_sync+0xac/0xe0 kernel/workqueue.c:4436
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xa7/0x600 drivers/hid/uhid.c:662
__fput+0x1fb/0xa00 fs/file_table.c:429
____fput+0x20/0x30 fs/file_table.c:457
task_work_run+0x1e5/0x260 kernel/task_work.c:246
resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f67d019ce59
RSP: 002b:00007ffc315608b8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffc315609a0 RCX: 00007f67d019ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000001cb9d R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33a20000 R11: 0000000000000246 R12: 00007ffc315609e0
R13: 00007f67d0415fac R14: 000000000001cbd0 R15: 00007f67d0415fa0
INFO: task syz.1.24:415 blocked for more than 139 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.24 state:D
stack:0 pid:415 tgid:415 ppid:381 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:6026 [inline]
__schedule+0x14ce/0x2100 kernel/sched/core.c:7893
__schedule_loop kernel/sched/core.c:7974 [inline]
schedule+0xc5/0x240 kernel/sched/core.c:7989
schedule_timeout+0xc7/0x3b0 kernel/time/timer.c:2596
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common+0x369/0x650 kernel/sched/completion.c:127
wait_for_completion+0x1c/0x40 kernel/sched/completion.c:148
__flush_work+0x712/0xb10 kernel/workqueue.c:4278
__cancel_work_sync kernel/workqueue.c:4399 [inline]
cancel_work_sync+0xac/0xe0 kernel/workqueue.c:4436
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xa7/0x600 drivers/hid/uhid.c:662
__fput+0x1fb/0xa00 fs/file_table.c:429
____fput+0x20/0x30 fs/file_table.c:457
task_work_run+0x1e5/0x260 kernel/task_work.c:246
resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7ff84819ce59
RSP: 002b:00007ffe90144a68 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe90144b50 RCX: 00007ff84819ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000001cbdd R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33b20000 R11: 0000000000000246 R12: 00007ffe90144b90
R13: 00007ff848415fac R14: 000000000001cc18 R15: 00007ff848415fa0
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 46888e5e5e1e1e111dd74017fc0802fda26c1cfc
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
__dump_stack+0x21/0x30 lib/dump_stack.c:94
dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
dump_stack+0x19/0x20 lib/dump_stack.c:129
nmi_cpu_backtrace+0x2ba/0x2d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41
trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline]
watchdog+0xdad/0xf00 kernel/hung_task.c:423
kthread+0x2c9/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 538 Comm: kworker/0:8 Not tainted syzkaller #0 46888e5e5e1e1e111dd74017fc0802fda26c1cfc
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: events uhid_device_add_worker
RIP: 0010:console_emit_next_record kernel/printk/printk.c:3151 [inline]
RIP: 0010:console_flush_all+0x5f7/0xac0 kernel/printk/printk.c:3239
Code: 3c 20 00 74 05 e8 e9 36 77 00 4d 8b 5d 10 8b 54 24 68 4c 89 ef 48 c7 c6 60 1c be 88 41 ba 60 12 05 8d 45 03 53 f1 74 02 0f 0b <2e> e8 43 f5 96 1e 48 8b 5c 24 70 48 8b 44 24 28 42 80 3c 20 00 4c
RSP: 0018:ffffc90002076fe0 EFLAGS: 00000047
RAX: 1ffffffff0f1f18e RBX: 00000000ffffffff RCX: dffffc0000000000
RDX: 0000000000000052 RSI: ffffffff88be1c60 RDI: ffffffff878f8c60
RBP: ffffc90002077110 R08: 0000000000000003 R09: 0000000000000004
R10: 0000000000000000 R11: ffffffff83234370 R12: dffffc0000000000
R13: ffffffff878f8c60 R14: 0000000000000000 R15: 1ffffffff0e9f398
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd60edaf50 CR3: 000000010c390000 CR4: 00000000003526b0
Call Trace:
__console_flush_and_unlock kernel/printk/printk.c:3298 [inline]
console_unlock+0xf8/0x2c0 kernel/printk/printk.c:3338
vprintk_emit+0x282/0x650 kernel/printk/printk.c:2462
dev_vprintk_emit+0x359/0x420 drivers/base/core.c:4962
dev_printk_emit+0xef/0x150 drivers/base/core.c:4973
__dev_printk+0x17f/0x1b0 drivers/base/core.c:4985
_dev_warn+0x11f/0x180 drivers/base/core.c:5029
hid_parser_main+0x84b/0xdc0 drivers/hid/hid-core.c:664
hid_open_report+0x876/0x1110 drivers/hid/hid-core.c:1310
hid_parse include/linux/hid.h:1137 [inline]
hid_generic_probe+0x42/0x90 drivers/hid/hid-generic.c:66
__hid_device_probe drivers/hid/hid-core.c:2703 [inline]
hid_device_probe+0x2c1/0x5d0 drivers/hid/hid-core.c:2740
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2d5/0x890 drivers/base/dd.c:657
__driver_probe_device+0x198/0x280 drivers/base/dd.c:799
driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829
__device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957
bus_for_each_drv+0x267/0x300 drivers/base/bus.c:459
__device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029
device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078
bus_probe_device+0x18b/0x270 drivers/base/bus.c:534
device_add+0x80c/0xbf0 drivers/base/core.c:3692
hid_add_device+0x39b/0x560 drivers/hid/hid-core.c:2886
uhid_device_add_worker+0x49/0xf0 drivers/hid/uhid.c:73
process_one_work kernel/workqueue.c:3261 [inline]
process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3342
worker_thread+0xc51/0x1370 kernel/workqueue.c:3423
kthread+0x2c9/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
final repro crashed as (corrupted=false):
INFO: task syz.4.19:403 blocked for more than 122 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.19 state:D
stack:0 pid:403 tgid:403 ppid:384 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:6026 [inline]
__schedule+0x14ce/0x2100 kernel/sched/core.c:7893
__schedule_loop kernel/sched/core.c:7974 [inline]
schedule+0xc5/0x240 kernel/sched/core.c:7989
schedule_timeout+0xc7/0x3b0 kernel/time/timer.c:2596
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common+0x369/0x650 kernel/sched/completion.c:127
wait_for_completion+0x1c/0x40 kernel/sched/completion.c:148
__flush_work+0x712/0xb10 kernel/workqueue.c:4278
__cancel_work_sync kernel/workqueue.c:4399 [inline]
cancel_work_sync+0xac/0xe0 kernel/workqueue.c:4436
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xa7/0x600 drivers/hid/uhid.c:662
__fput+0x1fb/0xa00 fs/file_table.c:429
____fput+0x20/0x30 fs/file_table.c:457
task_work_run+0x1e5/0x260 kernel/task_work.c:246
resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fc7eb39ce59
RSP: 002b:00007ffe3729e8a8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe3729e990 RCX: 00007fc7eb39ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000001cb79 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33e20000 R11: 0000000000000246 R12: 00007ffe3729e9d0
R13: 00007fc7eb615fac R14: 000000000001cbb3 R15: 00007fc7eb615fa0
INFO: task syz.5.21:406 blocked for more than 137 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.21 state:D stack:0 pid:406 tgid:406 ppid:385 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:6026 [inline]
__schedule+0x14ce/0x2100 kernel/sched/core.c:7893
__schedule_loop kernel/sched/core.c:7974 [inline]
schedule+0xc5/0x240 kernel/sched/core.c:7989
schedule_timeout+0xc7/0x3b0 kernel/time/timer.c:2596
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common+0x369/0x650 kernel/sched/completion.c:127
wait_for_completion+0x1c/0x40 kernel/sched/completion.c:148
__flush_work+0x712/0xb10 kernel/workqueue.c:4278
__cancel_work_sync kernel/workqueue.c:4399 [inline]
cancel_work_sync+0xac/0xe0 kernel/workqueue.c:4436
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xa7/0x600 drivers/hid/uhid.c:662
__fput+0x1fb/0xa00 fs/file_table.c:429
____fput+0x20/0x30 fs/file_table.c:457
task_work_run+0x1e5/0x260 kernel/task_work.c:246
resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f02b259ce59
RSP: 002b:00007fffe1fb9238 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fffe1fb9320 RCX: 00007f02b259ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000001cb81 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33f20000 R11: 0000000000000246 R12: 00007fffe1fb9360
R13: 00007f02b2815fac R14: 000000000001cbb4 R15: 00007f02b2815fa0
INFO: task syz.0.17:411 blocked for more than 137 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.17 state:D
stack:0 pid:411 tgid:411 ppid:380 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:6026 [inline]
__schedule+0x14ce/0x2100 kernel/sched/core.c:7893
__schedule_loop kernel/sched/core.c:7974 [inline]
schedule+0xc5/0x240 kernel/sched/core.c:7989
schedule_timeout+0xc7/0x3b0 kernel/time/timer.c:2596
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common+0x369/0x650 kernel/sched/completion.c:127
wait_for_completion+0x1c/0x40 kernel/sched/completion.c:148
__flush_work+0x712/0xb10 kernel/workqueue.c:4278
__cancel_work_sync kernel/workqueue.c:4399 [inline]
cancel_work_sync+0xac/0xe0 kernel/workqueue.c:4436
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xa7/0x600 drivers/hid/uhid.c:662
__fput+0x1fb/0xa00 fs/file_table.c:429
____fput+0x20/0x30 fs/file_table.c:457
task_work_run+0x1e5/0x260 kernel/task_work.c:246
resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f67d019ce59
RSP: 002b:00007ffc315608b8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffc315609a0 RCX: 00007f67d019ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000001cb9d R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33a20000 R11: 0000000000000246 R12: 00007ffc315609e0
R13: 00007f67d0415fac R14: 000000000001cbd0 R15: 00007f67d0415fa0
INFO: task syz.1.24:415 blocked for more than 139 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.24 state:D
stack:0 pid:415 tgid:415 ppid:381 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:6026 [inline]
__schedule+0x14ce/0x2100 kernel/sched/core.c:7893
__schedule_loop kernel/sched/core.c:7974 [inline]
schedule+0xc5/0x240 kernel/sched/core.c:7989
schedule_timeout+0xc7/0x3b0 kernel/time/timer.c:2596
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common+0x369/0x650 kernel/sched/completion.c:127
wait_for_completion+0x1c/0x40 kernel/sched/completion.c:148
__flush_work+0x712/0xb10 kernel/workqueue.c:4278
__cancel_work_sync kernel/workqueue.c:4399 [inline]
cancel_work_sync+0xac/0xe0 kernel/workqueue.c:4436
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xa7/0x600 drivers/hid/uhid.c:662
__fput+0x1fb/0xa00 fs/file_table.c:429
____fput+0x20/0x30 fs/file_table.c:457
task_work_run+0x1e5/0x260 kernel/task_work.c:246
resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7ff84819ce59
RSP: 002b:00007ffe90144a68 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe90144b50 RCX: 00007ff84819ce59
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000001cbdd R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33b20000 R11: 0000000000000246 R12: 00007ffe90144b90
R13: 00007ff848415fac R14: 000000000001cc18 R15: 00007ff848415fa0
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 46888e5e5e1e1e111dd74017fc0802fda26c1cfc
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
__dump_stack+0x21/0x30 lib/dump_stack.c:94
dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
dump_stack+0x19/0x20 lib/dump_stack.c:129
nmi_cpu_backtrace+0x2ba/0x2d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41
trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline]
watchdog+0xdad/0xf00 kernel/hung_task.c:423
kthread+0x2c9/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 538 Comm: kworker/0:8 Not tainted syzkaller #0 46888e5e5e1e1e111dd74017fc0802fda26c1cfc
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: events uhid_device_add_worker
RIP: 0010:console_emit_next_record kernel/printk/printk.c:3151 [inline]
RIP: 0010:console_flush_all+0x5f7/0xac0 kernel/printk/printk.c:3239
Code: 3c 20 00 74 05 e8 e9 36 77 00 4d 8b 5d 10 8b 54 24 68 4c 89 ef 48 c7 c6 60 1c be 88 41 ba 60 12 05 8d 45 03 53 f1 74 02 0f 0b <2e> e8 43 f5 96 1e 48 8b 5c 24 70 48 8b 44 24 28 42 80 3c 20 00 4c
RSP: 0018:ffffc90002076fe0 EFLAGS: 00000047
RAX: 1ffffffff0f1f18e RBX: 00000000ffffffff RCX: dffffc0000000000
RDX: 0000000000000052 RSI: ffffffff88be1c60 RDI: ffffffff878f8c60
RBP: ffffc90002077110 R08: 0000000000000003 R09: 0000000000000004
R10: 0000000000000000 R11: ffffffff83234370 R12: dffffc0000000000
R13: ffffffff878f8c60 R14: 0000000000000000 R15: 1ffffffff0e9f398
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd60edaf50 CR3: 000000010c390000 CR4: 00000000003526b0
Call Trace:
__console_flush_and_unlock kernel/printk/printk.c:3298 [inline]
console_unlock+0xf8/0x2c0 kernel/printk/printk.c:3338
vprintk_emit+0x282/0x650 kernel/printk/printk.c:2462
dev_vprintk_emit+0x359/0x420 drivers/base/core.c:4962
dev_printk_emit+0xef/0x150 drivers/base/core.c:4973
__dev_printk+0x17f/0x1b0 drivers/base/core.c:4985
_dev_warn+0x11f/0x180 drivers/base/core.c:5029
hid_parser_main+0x84b/0xdc0 drivers/hid/hid-core.c:664
hid_open_report+0x876/0x1110 drivers/hid/hid-core.c:1310
hid_parse include/linux/hid.h:1137 [inline]
hid_generic_probe+0x42/0x90 drivers/hid/hid-generic.c:66
__hid_device_probe drivers/hid/hid-core.c:2703 [inline]
hid_device_probe+0x2c1/0x5d0 drivers/hid/hid-core.c:2740
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2d5/0x890 drivers/base/dd.c:657
__driver_probe_device+0x198/0x280 drivers/base/dd.c:799
driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829
__device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957
bus_for_each_drv+0x267/0x300 drivers/base/bus.c:459
__device_attach+0x2c9/0x3c0 drivers/base/dd.c:1029
device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078
bus_probe_device+0x18b/0x270 drivers/base/bus.c:534
device_add+0x80c/0xbf0 drivers/base/core.c:3692
hid_add_device+0x39b/0x560 drivers/hid/hid-core.c:2886
uhid_device_add_worker+0x49/0xf0 drivers/hid/uhid.c:73
process_one_work kernel/workqueue.c:3261 [inline]
process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3342
worker_thread+0xc51/0x1370 kernel/workqueue.c:3423
kthread+0x2c9/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244