Extracting prog: 2m45.634800834s Minimizing prog: 136.715µs Simplifying prog options: 4m25.024684542s Extracting C: 1m46.931745992s 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: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:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6 detailed listing: executing program 0: socket$inet6(0xa, 0x805, 0x0) program crashed: lost connection to test machine program crashed: lost connection to test machine program crashed: lost connection to test machine single: successfully extracted reproducer found reproducer with 1 syscalls minimizing guilty program extracting C reproducer testing compiled C program (duration=56.650301853s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none 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:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6 program did not crash simplifying guilty program options testing program (duration=56.650301853s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6 detailed listing: executing program 0: socket$inet6(0xa, 0x805, 0x0) program crashed: SYZFAIL: failed to recv rpc a never seen crash title: SYZFAIL: failed to recv rpc, ignore testing program (duration=56.650301853s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6 detailed listing: executing program 0: socket$inet6(0xa, 0x805, 0x0) program crashed: SYZFAIL: failed to recv rpc a never seen crash title: SYZFAIL: failed to recv rpc, ignore testing program (duration=56.650301853s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6 detailed listing: executing program 0: socket$inet6(0xa, 0x805, 0x0) program crashed: lost connection to test machine extracting C reproducer testing compiled C program (duration=56.650301853s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6 program did not crash testing program (duration=56.650301853s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6 detailed listing: executing program 0: socket$inet6(0xa, 0x805, 0x0) program crashed: SYZFAIL: failed to recv rpc validation run: crashed=true testing program (duration=56.650301853s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6 detailed listing: executing program 0: socket$inet6(0xa, 0x805, 0x0) program crashed: lost connection to test machine validation run: crashed=true testing program (duration=56.650301853s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6 detailed listing: executing program 0: socket$inet6(0xa, 0x805, 0x0) program crashed: SYZFAIL: failed to recv rpc validation run: crashed=true reproducing took 11m15.795360496s repro crashed as (corrupted=false): SYZFAIL: failed to recv rpc fd=4 want=4 recv=0 n=0aborting RPC server: mismatching manager/executor arches: amd64 vs 386 (full request: `&flatrpc.ConnectRequestRawT{Cookie:0xacf1f5bdf61879ca, Id:0, Arch:"386", GitRevision:"cee4cb105fe040b0677ce7fa323e6b3458fd0779", SyzRevision:"3cef233bb64c12952c330d3f223bf232815cec07"}`) FreeBSD/amd64 (ci-freebsd-i386-0.us-central1-b.c.syzkaller.internal) (ttyu0) login: set $lines = 0 Password: Login incorrect login: show registers Password: Login incorrect login: ps Dec 4 09:06:58 ci-freebsd-i386-0 login[747]: 2 LOGIN FAILURES ON ttyu0 Password: Login incorrect login: show malloc Password: Login incorrect show all tcpcbs/bl final repro crashed as (corrupted=false): SYZFAIL: failed to recv rpc fd=4 want=4 recv=0 n=0aborting RPC server: mismatching manager/executor arches: amd64 vs 386 (full request: `&flatrpc.ConnectRequestRawT{Cookie:0xacf1f5bdf61879ca, Id:0, Arch:"386", GitRevision:"cee4cb105fe040b0677ce7fa323e6b3458fd0779", SyzRevision:"3cef233bb64c12952c330d3f223bf232815cec07"}`) FreeBSD/amd64 (ci-freebsd-i386-0.us-central1-b.c.syzkaller.internal) (ttyu0) login: set $lines = 0 Password: Login incorrect login: show registers Password: Login incorrect login: ps Dec 4 09:06:58 ci-freebsd-i386-0 login[747]: 2 LOGIN FAILURES ON ttyu0 Password: Login incorrect login: show malloc Password: Login incorrect show all tcpcbs/bl