Extracting prog: 1m13.370935033s
Minimizing prog: 12m47.175219656s
Simplifying prog options: 0s
Extracting C: 24.976888497s
Simplifying C: 5m5.001386703s
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-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program crashed: general protection fault in timers_dead_cpu
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=42.076241631s, {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-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
program did not crash
testing program (duration=42.076241631s, {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-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000180)='0\n\x00', 0x2)
write(0xffffffffffffffff, &(0x7f00000001a0)='1\n\x00', 0x2)
close(0xffffffffffffffff)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-openat-write-write-close-openat
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180), 0x0)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, 0x0, 0x0)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0), 0x0)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program did not crash
testing program (duration=42.076241631s, {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-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=42.076241631s, {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-close-openat
program crashed: general protection fault in timers_dead_cpu
simplifying C reproducer
testing compiled C program (duration=42.076241631s, {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-openat-write-write-close-openat
program did not crash
testing compiled C program (duration=42.076241631s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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-close-openat
program did not crash
testing compiled C program (duration=42.076241631s, {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-openat-write-write-close-openat
program did not crash
testing compiled C program (duration=42.076241631s, {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:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
program crashed: general protection fault in timers_dead_cpu
testing compiled C program (duration=42.076241631s, {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}}): mkdirat-mount-openat-write-write-close-openat
program crashed: general protection fault in timers_dead_cpu
testing compiled C program (duration=42.076241631s, {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:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
program crashed: general protection fault in timers_dead_cpu
testing compiled C program (duration=42.076241631s, {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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
program crashed: general protection fault in detach_if_pending
a never seen crash title: general protection fault in detach_if_pending, ignore
testing compiled C program (duration=42.076241631s, {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:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
program crashed: general protection fault in timers_dead_cpu
testing program (duration=42.076241631s, {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:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program crashed: general protection fault in timers_dead_cpu
validation run: crashed=true
testing program (duration=42.076241631s, {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:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program crashed: general protection fault in timers_dead_cpu
validation run: crashed=true
testing program (duration=42.076241631s, {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:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/devices/system/cpu/cpu1/online\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='0\n\x00', 0x2)
write(r0, &(0x7f00000001a0)='1\n\x00', 0x2)
close(r0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./sys/devices/system/machinecheck/machinecheck0/ignore_ce\x00', 0x2, 0x0)
program crashed: general protection fault in timers_dead_cpu
validation run: crashed=true
reproducing took 21m49.372818892s
repro crashed as (corrupted=false):
smpboot: CPU 1 is now offline
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 2 UID: 0 PID: 6237 Comm: syz.2.92 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__hlist_del include/linux/list.h:1029 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:891 [inline]
RIP: 0010:migrate_timer_list kernel/time/timer.c:2493 [inline]
RIP: 0010:timers_dead_cpu+0x326/0x860 kernel/time/timer.c:2541
Code: 0f 85 0c 04 00 00 48 8d 7b 08 48 8b 2b 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 df 03 00 00 48 8b 43 08 48 89 c2 48 c1 ea 03 <42> 80 3c 3a 00 0f 85 b4 03 00 00 48 89 28 48 89 04 24 48 85 ed 74
RSP: 0018:ffffc900040078c0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff88806a523440 RCX: ffffffff81f5d5d8
RDX: 0000000000000000 RSI: ffffffff81f5d420 RDI: ffff88806a523448
RBP: dead000000000122 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88806a5258d0
R13: ffffed100d4a4b1a R14: ffff88806a6251c0 R15: dffffc0000000000
FS: 00007f01d4dfe6c0(0000) GS:ffff8880d5fec000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9c1ca70000 CR3: 000000003de42000 CR4: 0000000000352ef0
Call Trace:
cpuhp_invoke_callback+0x3b4/0x9a0 kernel/cpu.c:194
__cpuhp_invoke_callback_range+0x158/0x1d0 kernel/cpu.c:972
cpuhp_invoke_callback_range kernel/cpu.c:996 [inline]
cpuhp_down_callbacks kernel/cpu.c:1386 [inline]
_cpu_down+0x523/0x1020 kernel/cpu.c:1457
cpu_down_maps_locked kernel/cpu.c:1483 [inline]
cpu_down kernel/cpu.c:1491 [inline]
cpu_device_down+0x82/0xc0 kernel/cpu.c:1508
device_offline drivers/base/core.c:4279 [inline]
device_offline+0x2f4/0x400 drivers/base/core.c:4263
online_store+0xd1/0x180 drivers/base/core.c:2879
dev_attr_store+0x58/0x80 drivers/base/core.c:2505
sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f01d579e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f01d4dfe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f01d5a25fa0 RCX: 00007f01d579e0d9
RDX: 0000000000000002 RSI: 0000200000000180 RDI: 0000000000000003
RBP: 00007f01d5835024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f01d5a26038 R14: 00007f01d5a25fa0 R15: 00007ffe4c5cd718
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__hlist_del include/linux/list.h:1029 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:891 [inline]
RIP: 0010:migrate_timer_list kernel/time/timer.c:2493 [inline]
RIP: 0010:timers_dead_cpu+0x326/0x860 kernel/time/timer.c:2541
Code: 0f 85 0c 04 00 00 48 8d 7b 08 48 8b 2b 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 df 03 00 00 48 8b 43 08 48 89 c2 48 c1 ea 03 <42> 80 3c 3a 00 0f 85 b4 03 00 00 48 89 28 48 89 04 24 48 85 ed 74
RSP: 0018:ffffc900040078c0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff88806a523440 RCX: ffffffff81f5d5d8
RDX: 0000000000000000 RSI: ffffffff81f5d420 RDI: ffff88806a523448
RBP: dead000000000122 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88806a5258d0
R13: ffffed100d4a4b1a R14: ffff88806a6251c0 R15: dffffc0000000000
FS: 00007f01d4dfe6c0(0000) GS:ffff8880d5fec000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9c1ca70000 CR3: 000000003de42000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
0: 0f 85 0c 04 00 00 jne 0x412
6: 48 8d 7b 08 lea 0x8(%rbx),%rdi
a: 48 8b 2b mov (%rbx),%rbp
d: 48 89 f8 mov %rdi,%rax
10: 48 c1 e8 03 shr $0x3,%rax
14: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
19: 0f 85 df 03 00 00 jne 0x3fe
1f: 48 8b 43 08 mov 0x8(%rbx),%rax
23: 48 89 c2 mov %rax,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 42 80 3c 3a 00 cmpb $0x0,(%rdx,%r15,1) <-- trapping instruction
2f: 0f 85 b4 03 00 00 jne 0x3e9
35: 48 89 28 mov %rbp,(%rax)
38: 48 89 04 24 mov %rax,(%rsp)
3c: 48 85 ed test %rbp,%rbp
3f: 74 .byte 0x74
final repro crashed as (corrupted=false):
smpboot: CPU 1 is now offline
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 2 UID: 0 PID: 6237 Comm: syz.2.92 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__hlist_del include/linux/list.h:1029 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:891 [inline]
RIP: 0010:migrate_timer_list kernel/time/timer.c:2493 [inline]
RIP: 0010:timers_dead_cpu+0x326/0x860 kernel/time/timer.c:2541
Code: 0f 85 0c 04 00 00 48 8d 7b 08 48 8b 2b 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 df 03 00 00 48 8b 43 08 48 89 c2 48 c1 ea 03 <42> 80 3c 3a 00 0f 85 b4 03 00 00 48 89 28 48 89 04 24 48 85 ed 74
RSP: 0018:ffffc900040078c0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff88806a523440 RCX: ffffffff81f5d5d8
RDX: 0000000000000000 RSI: ffffffff81f5d420 RDI: ffff88806a523448
RBP: dead000000000122 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88806a5258d0
R13: ffffed100d4a4b1a R14: ffff88806a6251c0 R15: dffffc0000000000
FS: 00007f01d4dfe6c0(0000) GS:ffff8880d5fec000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9c1ca70000 CR3: 000000003de42000 CR4: 0000000000352ef0
Call Trace:
cpuhp_invoke_callback+0x3b4/0x9a0 kernel/cpu.c:194
__cpuhp_invoke_callback_range+0x158/0x1d0 kernel/cpu.c:972
cpuhp_invoke_callback_range kernel/cpu.c:996 [inline]
cpuhp_down_callbacks kernel/cpu.c:1386 [inline]
_cpu_down+0x523/0x1020 kernel/cpu.c:1457
cpu_down_maps_locked kernel/cpu.c:1483 [inline]
cpu_down kernel/cpu.c:1491 [inline]
cpu_device_down+0x82/0xc0 kernel/cpu.c:1508
device_offline drivers/base/core.c:4279 [inline]
device_offline+0x2f4/0x400 drivers/base/core.c:4263
online_store+0xd1/0x180 drivers/base/core.c:2879
dev_attr_store+0x58/0x80 drivers/base/core.c:2505
sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x6ac/0x1050 fs/read_write.c:687
ksys_write+0x12a/0x250 fs/read_write.c:739
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f01d579e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f01d4dfe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f01d5a25fa0 RCX: 00007f01d579e0d9
RDX: 0000000000000002 RSI: 0000200000000180 RDI: 0000000000000003
RBP: 00007f01d5835024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f01d5a26038 R14: 00007f01d5a25fa0 R15: 00007ffe4c5cd718
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__hlist_del include/linux/list.h:1029 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:891 [inline]
RIP: 0010:migrate_timer_list kernel/time/timer.c:2493 [inline]
RIP: 0010:timers_dead_cpu+0x326/0x860 kernel/time/timer.c:2541
Code: 0f 85 0c 04 00 00 48 8d 7b 08 48 8b 2b 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 df 03 00 00 48 8b 43 08 48 89 c2 48 c1 ea 03 <42> 80 3c 3a 00 0f 85 b4 03 00 00 48 89 28 48 89 04 24 48 85 ed 74
RSP: 0018:ffffc900040078c0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff88806a523440 RCX: ffffffff81f5d5d8
RDX: 0000000000000000 RSI: ffffffff81f5d420 RDI: ffff88806a523448
RBP: dead000000000122 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88806a5258d0
R13: ffffed100d4a4b1a R14: ffff88806a6251c0 R15: dffffc0000000000
FS: 00007f01d4dfe6c0(0000) GS:ffff8880d5fec000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9c1ca70000 CR3: 000000003de42000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
0: 0f 85 0c 04 00 00 jne 0x412
6: 48 8d 7b 08 lea 0x8(%rbx),%rdi
a: 48 8b 2b mov (%rbx),%rbp
d: 48 89 f8 mov %rdi,%rax
10: 48 c1 e8 03 shr $0x3,%rax
14: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
19: 0f 85 df 03 00 00 jne 0x3fe
1f: 48 8b 43 08 mov 0x8(%rbx),%rax
23: 48 89 c2 mov %rax,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 42 80 3c 3a 00 cmpb $0x0,(%rdx,%r15,1) <-- trapping instruction
2f: 0f 85 b4 03 00 00 jne 0x3e9
35: 48 89 28 mov %rbp,(%rax)
38: 48 89 04 24 mov %rax,(%rsp)
3c: 48 85 ed test %rbp,%rbp
3f: 74 .byte 0x74