Extracting prog: 6m29.11818536s
Minimizing prog: 23m21.304250344s
Simplifying prog options: 19m13.548516665s
Extracting C: 5m1.791833642s
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: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: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}}): write$P9_RVERSION-syz_clone-ptrace-ptrace$poke
detailed listing:
executing program 0:
write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000040)={0x15, 0x65, 0xffff, 0x1000, 0x8, '9P2000.u'}, 0x15)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
ptrace(0x10, r0)
ptrace$poke(0x1b, r0, &(0x7f0000000040), 0x8)

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: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}}): write$P9_RVERSION-syz_clone-ptrace-ptrace$poke
detailed listing:
executing program 0:
write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000040)={0x15, 0x65, 0xffff, 0x1000, 0x8, '9P2000.u'}, 0x15)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
ptrace(0x10, r0)
ptrace$poke(0x1b, r0, &(0x7f0000000040), 0x8)

program crashed: lost connection to test machine
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=8m43.201257579s, {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: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}}): write$P9_RVERSION-syz_clone-ptrace
detailed listing:
executing program 0:
write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000040)={0x15, 0x65, 0xffff, 0x1000, 0x8, '9P2000.u'}, 0x15)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
ptrace(0x10, r0)

program crashed: lost connection to test machine
testing program (duration=8m43.201257579s, {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: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}}): write$P9_RVERSION-syz_clone
detailed listing:
executing program 0:
write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000040)={0x15, 0x65, 0xffff, 0x1000, 0x8, '9P2000.u'}, 0x15)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=8m43.201257579s, {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: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}}): write$P9_RVERSION-ptrace
detailed listing:
executing program 0:
write$P9_RVERSION(0xffffffffffffffff, &(0x7f0000000040)={0x15, 0x65, 0xffff, 0x1000, 0x8, '9P2000.u'}, 0x15)
ptrace(0x10, 0x0)

program did not crash
testing program (duration=8m43.201257579s, {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: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}}): syz_clone-ptrace
detailed listing:
executing program 0:
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
ptrace(0x10, r0)

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=8m43.201257579s, {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: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}}): syz_clone-ptrace
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=8m43.201257579s, {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: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}}): syz_clone-ptrace
detailed listing:
executing program 0:
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
ptrace(0x10, r0)

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=8m43.201257579s, {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: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}}): syz_clone-ptrace
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=8m43.201257579s, {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: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}}): syz_clone-ptrace
detailed listing:
executing program 0:
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
ptrace(0x10, r0)

program did not crash
testing program (duration=8m43.201257579s, {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: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}}): syz_clone-ptrace
detailed listing:
executing program 0:
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
ptrace(0x10, r0)

program crashed: lost connection to test machine
validation run: crashed=true
testing program (duration=8m43.201257579s, {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: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}}): syz_clone-ptrace
detailed listing:
executing program 0:
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
ptrace(0x10, r0)

program crashed: lost connection to test machine
validation run: crashed=true
testing program (duration=8m43.201257579s, {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: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}}): syz_clone-ptrace
detailed listing:
executing program 0:
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
ptrace(0x10, r0)

program crashed: lost connection to test machine
validation run: crashed=true
reproducing took 1h6m16.697222305s
repro crashed as (corrupted=false):

final repro crashed as (corrupted=false):