Extracting prog: 1m26.661386529s
Minimizing prog: 20.664557944s
Simplifying prog options: 3m10.842646214s
Extracting C: 1m4.330417459s
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: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}}): mprotect-get_mempolicy
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)
get_mempolicy(&(0x7f0000000040), 0x0, 0x7, &(0x7f00006b5000/0x2000)=nil, 0x4)

program crashed: lost connection to test machine
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=33.523566735s, {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}}): mprotect
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)

program crashed: SYZFAIL: failed to recv rpc
extracting C reproducer
testing compiled C program (duration=33.523566735s, {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}}): mprotect
program did not crash
simplifying guilty program options
testing program (duration=33.523566735s, {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}}): mprotect
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=33.523566735s, {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}}): mprotect
program did not crash
testing program (duration=33.523566735s, {Threaded:false 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}}): mprotect
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)

program crashed: SYZFAIL: failed to recv rpc
extracting C reproducer
testing compiled C program (duration=33.523566735s, {Threaded:false 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}}): mprotect
program did not crash
testing program (duration=33.523566735s, {Threaded:false 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}}): mprotect
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)

program crashed: SYZFAIL: failed to recv rpc
validation run: crashed=true
testing program (duration=33.523566735s, {Threaded:false 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}}): mprotect
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)

program crashed: SYZFAIL: failed to recv rpc
validation run: crashed=true
testing program (duration=33.523566735s, {Threaded:false 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}}): mprotect
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0)

program crashed: SYZFAIL: failed to recv rpc
validation run: crashed=true
reproducing took 8m8.315844906s
repro crashed as (corrupted=false):
Warning: Permanently added '[localhost]:59793' (ED25519) to the list of known hosts.
2025/12/31 06:38:08 parsed 1 programs
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 22: Invalid argument)
aborting RPC server: mismatching manager/executor arches: amd64 vs 386 (full request: `&flatrpc.ConnectRequestRawT{Cookie:0x6ca31364b6a477b2, Id:0, Arch:"386", GitRevision:"d1b870e1003b52891d2196c1e2ee42fe905010ba", SyzRevision:"5e29b4d4fd108d8b9f527cb3e326d4a12d8f0ded"}`)

final repro crashed as (corrupted=false):
Warning: Permanently added '[localhost]:59793' (ED25519) to the list of known hosts.
2025/12/31 06:38:08 parsed 1 programs
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 22: Invalid argument)
aborting RPC server: mismatching manager/executor arches: amd64 vs 386 (full request: `&flatrpc.ConnectRequestRawT{Cookie:0x6ca31364b6a477b2, Id:0, Arch:"386", GitRevision:"d1b870e1003b52891d2196c1e2ee42fe905010ba", SyzRevision:"5e29b4d4fd108d8b9f527cb3e326d4a12d8f0ded"}`)