Extracting prog: 7m7.644736864s Minimizing prog: 22m5.37681904s Simplifying prog options: 14m11.052745712s Extracting C: 5m2.183721179s 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}}): execve-setxattr$security_smack_transmute-ioctl$KDENABIO detailed listing: executing program 0: execve(&(0x7f0000000ac0)='./file0\x00', 0x0, 0x0) (rerun: 64) setxattr$security_smack_transmute(0x0, 0x0, 0x0, 0x0, 0x3) ioctl$KDENABIO(0xffffffffffffffff, 0x4b36) (rerun: 32) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {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}}): execve-setxattr$security_smack_transmute-ioctl$KDENABIO detailed listing: executing program 0: execve(&(0x7f0000000ac0)='./file0\x00', 0x0, 0x0) (rerun: 64) setxattr$security_smack_transmute(0x0, 0x0, 0x0, 0x0, 0x3) ioctl$KDENABIO(0xffffffffffffffff, 0x4b36) (rerun: 32) 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}}): execve-setxattr$security_smack_transmute-ioctl$KDENABIO detailed listing: executing program 0: execve(&(0x7f0000000ac0)='./file0\x00', 0x0, 0x0) (rerun: 64) setxattr$security_smack_transmute(0x0, 0x0, 0x0, 0x0, 0x3) ioctl$KDENABIO(0xffffffffffffffff, 0x4b36) (rerun: 32) program crashed: panic: Watchdog goroutine is stuck single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=7m5.471274429s, {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}}): execve-setxattr$security_smack_transmute detailed listing: executing program 0: execve(&(0x7f0000000ac0)='./file0\x00', 0x0, 0x0) (rerun: 64) setxattr$security_smack_transmute(0x0, 0x0, 0x0, 0x0, 0x3) program crashed: panic: Watchdog goroutine is stuck testing program (duration=7m5.471274429s, {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}}): execve detailed listing: executing program 0: execve(&(0x7f0000000ac0)='./file0\x00', 0x0, 0x0) (rerun: 64) program crashed: panic: Watchdog goroutine is stuck testing program (duration=7m5.471274429s, {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}}): execve detailed listing: executing program 0: execve(&(0x7f0000000ac0)='./file0\x00', 0x0, 0x0) program did not crash testing program (duration=7m5.471274429s, {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}}): execve detailed listing: executing program 0: execve(0x0, 0x0, 0x0) (rerun: 64) program did not crash extracting C reproducer testing compiled C program (duration=7m5.471274429s, {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}}): execve 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=7m5.471274429s, {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}}): execve detailed listing: executing program 0: execve(&(0x7f0000000ac0)='./file0\x00', 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=7m5.471274429s, {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: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}}): execve detailed listing: executing program 0: execve(&(0x7f0000000ac0)='./file0\x00', 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=7m5.471274429s, {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}}): execve detailed listing: executing program 0: execve(&(0x7f0000000ac0)='./file0\x00', 0x0, 0x0) (rerun: 64) program crashed: panic: Watchdog goroutine is stuck validation run: crashed=true testing program (duration=7m5.471274429s, {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}}): execve detailed listing: executing program 0: execve(&(0x7f0000000ac0)='./file0\x00', 0x0, 0x0) (rerun: 64) program crashed: panic: Watchdog goroutine is stuck validation run: crashed=true testing program (duration=7m5.471274429s, {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}}): execve detailed listing: executing program 0: execve(&(0x7f0000000ac0)='./file0\x00', 0x0, 0x0) (rerun: 64) program crashed: panic: Watchdog goroutine is stuck validation run: crashed=true reproducing took 1h1m45.810041881s repro crashed as (corrupted=false): panic: Watchdog goroutine is stuck Stack for running G's are skipped while panicking. goroutine 9 gp=0xc00003dc00 m=25 mp=0xc000ac2008 [running]: panic({0x1bcaca0?, 0xc00248ee40?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:811 +0x168 fp=0xc0006e7c98 sp=0xc0006e7be8 pc=0x47d728 gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc0002b4100, 0x1, 0x0, 0xc0006e7dd0) pkg/sentry/watchdog/watchdog.go:376 +0x499 fp=0xc0006e7db0 sp=0xc0006e7c98 pc=0x125ec19 gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).reportStuckWatchdog(0xc0002b4100) pkg/sentry/watchdog/watchdog.go:341 +0x6a fp=0xc0006e7e08 sp=0xc0006e7db0 pc=0x125e74a gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc0002b4100) pkg/sentry/watchdog/watchdog.go:276 +0x25b fp=0xc0006e7f30 sp=0xc0006e7e08 pc=0x125dc1b gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc0002b4100) pkg/sentry/watchdog/watchdog.go:254 +0x3b fp=0xc0006e7fc0 sp=0xc0006e7f30 pc=0x125d8bb gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.gowrap2() pkg/sentry/watchdog/watchdog.go:205 +0x34 fp=0xc0006e7fe0 sp=0xc0006e7fc0 pc=0x125d2b4 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0006e7fe8 sp=0xc0006e7fe0 pc=0x486aa1 created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start in goroutine 1 pkg/sentry/watchdog/watchdog.go:205 +0x39b final repro crashed as (corrupted=false): panic: Watchdog goroutine is stuck Stack for running G's are skipped while panicking. goroutine 9 gp=0xc00003dc00 m=25 mp=0xc000ac2008 [running]: panic({0x1bcaca0?, 0xc00248ee40?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:811 +0x168 fp=0xc0006e7c98 sp=0xc0006e7be8 pc=0x47d728 gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc0002b4100, 0x1, 0x0, 0xc0006e7dd0) pkg/sentry/watchdog/watchdog.go:376 +0x499 fp=0xc0006e7db0 sp=0xc0006e7c98 pc=0x125ec19 gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).reportStuckWatchdog(0xc0002b4100) pkg/sentry/watchdog/watchdog.go:341 +0x6a fp=0xc0006e7e08 sp=0xc0006e7db0 pc=0x125e74a gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc0002b4100) pkg/sentry/watchdog/watchdog.go:276 +0x25b fp=0xc0006e7f30 sp=0xc0006e7e08 pc=0x125dc1b gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc0002b4100) pkg/sentry/watchdog/watchdog.go:254 +0x3b fp=0xc0006e7fc0 sp=0xc0006e7f30 pc=0x125d8bb gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.gowrap2() pkg/sentry/watchdog/watchdog.go:205 +0x34 fp=0xc0006e7fe0 sp=0xc0006e7fc0 pc=0x125d2b4 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0006e7fe8 sp=0xc0006e7fe0 pc=0x486aa1 created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start in goroutine 1 pkg/sentry/watchdog/watchdog.go:205 +0x39b