Extracting prog: 1m13.759277753s
Minimizing prog: 1m5.16622361s
Simplifying prog options: 2m54.912196276s
Extracting C: 49.021891348s
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}}): openat$comedi-ioctl$COMEDI_DEVCONFIG
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, &(0x7f0000000200)={'c6xdigio\x00', [0x3, 0x2, 0x10000, 0x4, 0x3, 0x5, 0x8, 0x7, 0x2, 0x5, 0x1, 0x1, 0x401, 0x1, 0x6, 0x101, 0x6, 0x7f, 0x3, 0x9, 0xfff, 0xcaa3, 0x0, 0x20001e58, 0xb, 0xe62, 0x3, 0x2007f, 0x9, 0x5b, 0xdffffff8]})

program crashed: lost connection to test machine
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=32.602207813s, {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}}): openat$comedi
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)

program crashed: SYZFAIL: failed to recv rpc
testing program (duration=32.602207813s, {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}}): openat$comedi
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x400, 0x0)

program crashed: SYZFAIL: failed to recv rpc
extracting C reproducer
testing compiled C program (duration=32.602207813s, {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}}): openat$comedi
program did not crash
simplifying guilty program options
testing program (duration=32.602207813s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x400, 0x0)

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=32.602207813s, {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}}): openat$comedi
program did not crash
testing program (duration=32.602207813s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x400, 0x0)

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=32.602207813s, {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}}): openat$comedi
program did not crash
testing program (duration=32.602207813s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x400, 0x0)

program crashed: lost connection to test machine
validation run: crashed=true
testing program (duration=32.602207813s, {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}}): openat$comedi
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x400, 0x0)

program crashed: lost connection to test machine
validation run: crashed=true
testing program (duration=32.602207813s, {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}}): openat$comedi
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x400, 0x0)

program crashed: SYZFAIL: failed to recv rpc
validation run: crashed=true
reproducing took 7m52.123059637s
repro crashed as (corrupted=false):
Warning: Permanently added '[localhost]:63669' (ED25519) to the list of known hosts.
2025/12/31 17:25:08 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:0xa9b8de3421232b6a, Id:0, Arch:"386", GitRevision:"d1b870e1003b52891d2196c1e2ee42fe905010ba", SyzRevision:"5e29b4d4fd108d8b9f527cb3e326d4a12d8f0ded"}`)

final repro crashed as (corrupted=false):
Warning: Permanently added '[localhost]:63669' (ED25519) to the list of known hosts.
2025/12/31 17:25:08 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:0xa9b8de3421232b6a, Id:0, Arch:"386", GitRevision:"d1b870e1003b52891d2196c1e2ee42fe905010ba", SyzRevision:"5e29b4d4fd108d8b9f527cb3e326d4a12d8f0ded"}`)