Extracting prog: 5m13.995793821s
Minimizing prog: 1h26m16.207485631s
Simplifying prog options: 0s
Extracting C: 1m8.770341716s
Simplifying C: 10m22.668112539s


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: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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

program did not crash
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: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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

program crashed: WARNING in update_rq_clock
single: successfully extracted reproducer
found reproducer with 6 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
write(0xffffffffffffffff, &(0x7f0000000140)='0\x00', 0x1)
write(0xffffffffffffffff, &(0x7f0000000180)='1\x00', 0x1)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140), 0x0)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(r0, &(0x7f0000000180), 0x0)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
program crashed: WARNING in update_rq_clock
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
program crashed: WARNING in __set_cpus_allowed_ptr_locked
a never seen crash title: WARNING in __set_cpus_allowed_ptr_locked, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
program crashed: WARNING in update_rq_clock
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
program crashed: WARNING in update_rq_clock
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
program crashed: WARNING in update_rq_clock
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
program crashed: WARNING in update_rq_clock
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
program crashed: WARNING in update_rq_clock
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
program crashed: WARNING in update_rq_clock
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

program crashed: WARNING in update_rq_clock
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

program crashed: WARNING in update_rq_clock
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-prctl$PR_SCHED_CORE-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x200000000001, 0x0, 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\x00', 0x1)
write(r0, &(0x7f0000000180)='1\x00', 0x1)

program crashed: WARNING in update_rq_clock
validation run: crashed=true
reproducing took 1h48m16.567615712s
repro crashed as (corrupted=false):
------------[ cut here ]------------
debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0)
WARNING: kernel/sched/sched.h:1652 at lockdep_assert_rq_held kernel/sched/sched.h:1652 [inline], CPU#0: ktimers/0/16
WARNING: kernel/sched/sched.h:1652 at update_rq_clock+0x34d/0x560 kernel/sched/core.c:865, CPU#0: ktimers/0/16
Modules linked in:
CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1652 [inline]
RIP: 0010:update_rq_clock+0x34d/0x560 kernel/sched/core.c:865
Code: 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 8b f0 9d 00 4c 01 3b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 85 e6 bf 09 cc 90 <0f> 0b 90 e9 42 fd ff ff 48 89 df 48 83 c4 10 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90000157af8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880b873b880 RCX: 0000000080000002
RDX: 1ffff110170c7710 RSI: ffffffff8dbfaa0e RDI: ffffffff8bcbd080
RBP: dffffc0000000000 R08: ffff888033587007 R09: 1ffff110066b0e00
R10: dffffc0000000000 R11: ffffffff8196b4d0 R12: 0000000000000001
R13: dffffc0000000001 R14: ffff8880b873c748 R15: ffff8880b873b880
FS:  0000000000000000(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8c822786f1 CR3: 00000000378aa000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 pick_next_task kernel/sched/core.c:6335 [inline]
 __schedule+0x3774/0x5530 kernel/sched/core.c:7146
 __schedule_loop kernel/sched/core.c:7308 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7323
 smpboot_thread_fn+0x5f9/0xa80 kernel/smpboot.c:156
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0)
WARNING: kernel/sched/sched.h:1652 at lockdep_assert_rq_held kernel/sched/sched.h:1652 [inline], CPU#0: ktimers/0/16
WARNING: kernel/sched/sched.h:1652 at update_rq_clock+0x34d/0x560 kernel/sched/core.c:865, CPU#0: ktimers/0/16
Modules linked in:
CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1652 [inline]
RIP: 0010:update_rq_clock+0x34d/0x560 kernel/sched/core.c:865
Code: 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 8b f0 9d 00 4c 01 3b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 85 e6 bf 09 cc 90 <0f> 0b 90 e9 42 fd ff ff 48 89 df 48 83 c4 10 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90000157af8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880b873b880 RCX: 0000000080000002
RDX: 1ffff110170c7710 RSI: ffffffff8dbfaa0e RDI: ffffffff8bcbd080
RBP: dffffc0000000000 R08: ffff888033587007 R09: 1ffff110066b0e00
R10: dffffc0000000000 R11: ffffffff8196b4d0 R12: 0000000000000001
R13: dffffc0000000001 R14: ffff8880b873c748 R15: ffff8880b873b880
FS:  0000000000000000(0000) GS:ffff8881259f2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8c822786f1 CR3: 00000000378aa000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 pick_next_task kernel/sched/core.c:6335 [inline]
 __schedule+0x3774/0x5530 kernel/sched/core.c:7146
 __schedule_loop kernel/sched/core.c:7308 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7323
 smpboot_thread_fn+0x5f9/0xa80 kernel/smpboot.c:156
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>