Extracting prog: 9m22.064438798s
Minimizing prog: 31m5.436725687s
Simplifying prog options: 12m5.371862213s
Extracting C: 3m37.846892809s
Simplifying C: 0s
extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
write$UHID_CREATE(r0, &(0x7f0000001140)={0x0, {'syz1\x00', 'syz1\x00', 'syz1\x00', &(0x7f0000000140)=""/4096, 0x1000, 0xc5d, 0xfffffffe, 0x1000, 0x100, 0xa7e}}, 0x120)
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
write$UHID_CREATE(r0, &(0x7f0000001140)={0x0, {'syz1\x00', 'syz1\x00', 'syz1\x00', &(0x7f0000000140)=""/4096, 0x1000, 0xc5d, 0xfffffffe, 0x1000, 0x100, 0xa7e}}, 0x120)
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
write$UHID_CREATE(r0, &(0x7f0000001140)={0x0, {'syz1\x00', 'syz1\x00', 'syz1\x00', &(0x7f0000000140)=""/4096, 0x1000, 0xc5d, 0xfffffffe, 0x1000, 0x100, 0xa7e}}, 0x120)
program crashed: INFO: task hung in uevent_show
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid
detailed listing:
executing program 0:
openat$uhid(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$UHID_CREATE
detailed listing:
executing program 0:
write$UHID_CREATE(0xffffffffffffffff, &(0x7f0000001140)={0x0, {'syz1\x00', 'syz1\x00', 'syz1\x00', &(0x7f0000000140)=""/4096, 0x1000, 0xc5d, 0xfffffffe, 0x1000, 0x100, 0xa7e}}, 0x120)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false 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, &(0x7f0000001140)={0x0, {'syz1\x00', 'syz1\x00', 'syz1\x00', &(0x7f0000000140)=""/4096, 0x1000, 0xc5d, 0xfffffffe, 0x1000, 0x100, 0xa7e}}, 0x120)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
write$UHID_CREATE(r0, 0x0, 0x0)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
write$UHID_CREATE(r0, &(0x7f0000001140)={0x0, {'syz1\x00', 'syz1\x00', 'syz1\x00', 0x0, 0x0, 0xc5d, 0xfffffffe, 0x1000, 0x100, 0xa7e}}, 0x120)
program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: INFO: task hung in uhid_char_release
a never seen crash title: INFO: task hung in uhid_char_release, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
write$UHID_CREATE(r0, &(0x7f0000001140)={0x0, {'syz1\x00', 'syz1\x00', 'syz1\x00', &(0x7f0000000140)=""/4096, 0x1000, 0xc5d, 0xfffffffe, 0x1000, 0x100, 0xa7e}}, 0x120)
program crashed: INFO: task hung in uevent_show
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
program crashed: INFO: task hung in uhid_char_release
a never seen crash title: INFO: task hung in uhid_char_release, ignore
testing program (duration=6m0s, {Threaded:false 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE
detailed listing:
executing program 0:
r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
write$UHID_CREATE(r0, &(0x7f0000001140)={0x0, {'syz1\x00', 'syz1\x00', 'syz1\x00', &(0x7f0000000140)=""/4096, 0x1000, 0xc5d, 0xfffffffe, 0x1000, 0x100, 0xa7e}}, 0x120)
program crashed: INFO: task hung in uhid_char_release
a never seen crash title: INFO: task hung in uhid_char_release, ignore
reproducing took 56m15.162063597s
repro crashed as (corrupted=false):
INFO: task udevd:5201 blocked for more than 143 seconds.
Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:23872 pid:5201 tgid:5201 ppid:1 task_flags:0x400140 flags:0x00000002
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
device_lock include/linux/device.h:1030 [inline]
uevent_show+0x17d/0x340 drivers/base/core.c:2729
dev_attr_show+0x57/0xc0 drivers/base/core.c:2423
sysfs_kf_seq_show+0x333/0x4c0 fs/sysfs/file.c:59
seq_read_iter+0x441/0xd70 fs/seq_file.c:230
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x977/0xb40 fs/read_write.c:565
ksys_read+0x18f/0x2b0 fs/read_write.c:708
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3f59f16b6a
RSP: 002b:00007ffdd8c749c8 EFLAGS: 00000246
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00005574f23352d0 RCX: 00007f3f59f16b6a
RDX: 0000000000001000 RSI: 00005574f23a42d0 RDI: 000000000000000c
RBP: 00005574f23352d0 R08: 000000000000000c R09: 0000000000000000
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007ffdd8c74ea8 R15: 000000000000000a
</TASK>
INFO: task syz.2.18:6082 blocked for more than 146 seconds.
Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.18 state:D stack:26336 pid:6082 tgid:6082 ppid:5955 task_flags:0x400040 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xa47/0xc60 kernel/workqueue.c:4242
__cancel_work_sync+0xbc/0x110 kernel/workqueue.c:4362
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xac/0x600 drivers/hid/uhid.c:662
__fput+0x3eb/0x9f0 fs/file_table.c:450
task_work_run+0x251/0x310 kernel/task_work.c:227
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f94a6d8cda9
RSP: 002b:00007fff8cfb1c78 EFLAGS: 00000246
ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000332c0 RCX: 00007f94a6d8cda9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f94a6fa5fac R08: 0000000000000001 R09: 00007fff8cfb1f7f
R10: 00007f94a6c00000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94a6fa5fa0 R14: 0000000000000003 R15: ffffffffffffffff
</TASK>
INFO: task syz.1.17:6085 blocked for more than 149 seconds.
Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.17 state:D stack:25560 pid:6085 tgid:6085 ppid:5956 task_flags:0x400040 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xa47/0xc60 kernel/workqueue.c:4242
__cancel_work_sync+0xbc/0x110 kernel/workqueue.c:4362
final repro crashed as (corrupted=false):
INFO: task udevd:5201 blocked for more than 143 seconds.
Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:23872 pid:5201 tgid:5201 ppid:1 task_flags:0x400140 flags:0x00000002
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913
__mutex_lock_common kernel/locking/mutex.c:662 [inline]
__mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
device_lock include/linux/device.h:1030 [inline]
uevent_show+0x17d/0x340 drivers/base/core.c:2729
dev_attr_show+0x57/0xc0 drivers/base/core.c:2423
sysfs_kf_seq_show+0x333/0x4c0 fs/sysfs/file.c:59
seq_read_iter+0x441/0xd70 fs/seq_file.c:230
new_sync_read fs/read_write.c:484 [inline]
vfs_read+0x977/0xb40 fs/read_write.c:565
ksys_read+0x18f/0x2b0 fs/read_write.c:708
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3f59f16b6a
RSP: 002b:00007ffdd8c749c8 EFLAGS: 00000246
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00005574f23352d0 RCX: 00007f3f59f16b6a
RDX: 0000000000001000 RSI: 00005574f23a42d0 RDI: 000000000000000c
RBP: 00005574f23352d0 R08: 000000000000000c R09: 0000000000000000
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007ffdd8c74ea8 R15: 000000000000000a
</TASK>
INFO: task syz.2.18:6082 blocked for more than 146 seconds.
Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.18 state:D stack:26336 pid:6082 tgid:6082 ppid:5955 task_flags:0x400040 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xa47/0xc60 kernel/workqueue.c:4242
__cancel_work_sync+0xbc/0x110 kernel/workqueue.c:4362
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xac/0x600 drivers/hid/uhid.c:662
__fput+0x3eb/0x9f0 fs/file_table.c:450
task_work_run+0x251/0x310 kernel/task_work.c:227
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f94a6d8cda9
RSP: 002b:00007fff8cfb1c78 EFLAGS: 00000246
ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000332c0 RCX: 00007f94a6d8cda9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f94a6fa5fac R08: 0000000000000001 R09: 00007fff8cfb1f7f
R10: 00007f94a6c00000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94a6fa5fa0 R14: 0000000000000003 R15: ffffffffffffffff
</TASK>
INFO: task syz.1.17:6085 blocked for more than 149 seconds.
Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.17 state:D stack:25560 pid:6085 tgid:6085 ppid:5956 task_flags:0x400040 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0x190e/0x4c90 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6856
schedule_timeout+0xb0/0x290 kernel/time/sleep_timeout.c:75
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xa47/0xc60 kernel/workqueue.c:4242
__cancel_work_sync+0xbc/0x110 kernel/workqueue.c:4362