Extracting prog: 6m22.731107562s
Minimizing prog: 24m15.400445682s
Simplifying prog options: 0s
Extracting C: 4m2.921140806s
Simplifying C: 21m16.832453527s


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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-mlockall-brk
detailed listing:
executing program 0:
prlimit64(0x0, 0x9, &(0x7f0000000000)={0xfffffffffffffffb, 0xfffffffffffffffb}, 0x0)
mlockall(0x3)
brk(0x689d80000000)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-mlockall-brk
detailed listing:
executing program 0:
prlimit64(0x0, 0x9, &(0x7f0000000000)={0xfffffffffffffffb, 0xfffffffffffffffb}, 0x0)
mlockall(0x3)
brk(0x689d80000000)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-mlockall-brk
detailed listing:
executing program 0:
prlimit64(0x0, 0x9, &(0x7f0000000000)={0xfffffffffffffffb, 0xfffffffffffffffb}, 0x0)
mlockall(0x3)
brk(0x689d80000000)

program crashed: panic: Sentry detected stuck tasks
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=6m3.779992657s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-mlockall
detailed listing:
executing program 0:
prlimit64(0x0, 0x9, &(0x7f0000000000)={0xfffffffffffffffb, 0xfffffffffffffffb}, 0x0)
mlockall(0x3)

program did not crash
testing program (duration=6m3.779992657s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-brk
detailed listing:
executing program 0:
prlimit64(0x0, 0x9, &(0x7f0000000000)={0xfffffffffffffffb, 0xfffffffffffffffb}, 0x0)
brk(0x689d80000000)

program did not crash
testing program (duration=6m3.779992657s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mlockall-brk
detailed listing:
executing program 0:
mlockall(0x3)
brk(0x689d80000000)

program did not crash
testing program (duration=6m3.779992657s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-mlockall-brk
detailed listing:
executing program 0:
prlimit64(0x0, 0x9, 0x0, 0x0)
mlockall(0x3)
brk(0x689d80000000)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m3.779992657s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-mlockall-brk
program crashed: panic: Sentry detected stuck tasks
simplifying C reproducer
testing compiled C program (duration=6m3.779992657s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-mlockall-brk
program crashed: panic: Sentry detected stuck tasks
testing compiled C program (duration=6m3.779992657s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-mlockall-brk
program crashed: panic: Sentry detected stuck tasks
testing compiled C program (duration=6m3.779992657s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: 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:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-mlockall-brk
program crashed: panic: Sentry detected stuck tasks
testing compiled C program (duration=6m3.779992657s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: 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:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-mlockall-brk
program crashed: panic: Sentry detected stuck tasks
testing compiled C program (duration=6m3.779992657s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: 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:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-mlockall-brk
program crashed: panic: Sentry detected stuck tasks
testing compiled C program (duration=6m3.779992657s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: 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:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-mlockall-brk
program crashed: panic: Sentry detected stuck tasks
reproducing took 55m57.885168125s
repro crashed as (corrupted=false):
panic: Sentry detected 1 stuck task(s):
		Task tid: 15 (goroutine 194), entered RunSys state 3m0.83s ago.
	Search for 'goroutine <id>' in the stack dump to find the offending goroutine(s)
	Stack for running G's are skipped while panicking.

goroutine 24 gp=0xc000602fc0 m=27 mp=0xc06d600008 [running]:
panic({0x1169260?, 0xc000909190?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:811 +0x168 fp=0xc000919c80 sp=0xc000919bd0 pc=0x478768
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc000919da0?, 0x1440920?, 0x50?, 0xc000919da0)
	pkg/sentry/watchdog/watchdog.go:376 +0x348 fp=0xc000919d48 sp=0xc000919c80 pc=0xc57788
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc000168080, 0xc0003bf980, 0x1, {0x2f?})
	pkg/sentry/watchdog/watchdog.go:335 +0x24f fp=0xc000919e78 sp=0xc000919d48 pc=0xc5736f
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc000168080)
	pkg/sentry/watchdog/watchdog.go:317 +0x47b fp=0xc000919f58 sp=0xc000919e78 pc=0xc5703b
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc000168080)
	pkg/sentry/watchdog/watchdog.go:254 +0x25 fp=0xc000919fc8 sp=0xc000919f58 pc=0xc56b25
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.gowrap2()
	pkg/sentry/watchdog/watchdog.go:205 +0x25 fp=0xc000919fe0 sp=0xc000919fc8 pc=0xc56685
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000919fe8 sp=0xc000919fe0 pc=0x481581
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start in goroutine 1
	pkg/sentry/watchdog/watchdog.go:205 +0x1d8

final repro crashed as (corrupted=false):
panic: Sentry detected 1 stuck task(s):
		Task tid: 15 (goroutine 194), entered RunSys state 3m0.83s ago.
	Search for 'goroutine <id>' in the stack dump to find the offending goroutine(s)
	Stack for running G's are skipped while panicking.

goroutine 24 gp=0xc000602fc0 m=27 mp=0xc06d600008 [running]:
panic({0x1169260?, 0xc000909190?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:811 +0x168 fp=0xc000919c80 sp=0xc000919bd0 pc=0x478768
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc000919da0?, 0x1440920?, 0x50?, 0xc000919da0)
	pkg/sentry/watchdog/watchdog.go:376 +0x348 fp=0xc000919d48 sp=0xc000919c80 pc=0xc57788
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc000168080, 0xc0003bf980, 0x1, {0x2f?})
	pkg/sentry/watchdog/watchdog.go:335 +0x24f fp=0xc000919e78 sp=0xc000919d48 pc=0xc5736f
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc000168080)
	pkg/sentry/watchdog/watchdog.go:317 +0x47b fp=0xc000919f58 sp=0xc000919e78 pc=0xc5703b
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc000168080)
	pkg/sentry/watchdog/watchdog.go:254 +0x25 fp=0xc000919fc8 sp=0xc000919f58 pc=0xc56b25
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.gowrap2()
	pkg/sentry/watchdog/watchdog.go:205 +0x25 fp=0xc000919fe0 sp=0xc000919fc8 pc=0xc56685
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000919fe8 sp=0xc000919fe0 pc=0x481581
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start in goroutine 1
	pkg/sentry/watchdog/watchdog.go:205 +0x1d8