Extracting prog: 5m34.734450359s
Minimizing prog: 29m19.015908702s
Simplifying prog options: 14m44.281775612s
Extracting C: 5m1.024201298s
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}}): unshare-syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
unshare(0xc000680) (rerun: 64)
r0 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

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}}): unshare-syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
unshare(0xc000680) (rerun: 64)
r0 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

program crashed: panic: Watchdog goroutine is stuck
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=7m22.092416869s, {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}}): unshare-syz_create_resource$binfmt
detailed listing:
executing program 0:
unshare(0xc000680) (rerun: 64)
syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')

program did not crash
testing program (duration=7m22.092416869s, {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}}): unshare-execveat$binfmt
detailed listing:
executing program 0:
unshare(0xc000680) (rerun: 64)
execveat$binfmt(0xffffffffffffff9c, 0x0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=7m22.092416869s, {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}}): syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
r0 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

program crashed: panic: Watchdog goroutine is stuck
testing program (duration=7m22.092416869s, {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}}): syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
r0 = syz_create_resource$binfmt(0x0)
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=7m22.092416869s, {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}}): syz_create_resource$binfmt-execveat$binfmt
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=7m22.092416869s, {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}}): syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
r0 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=7m22.092416869s, {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}}): syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
r0 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=7m22.092416869s, {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}}): syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
r0 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=7m22.092416869s, {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}}): syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
r0 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=7m22.092416869s, {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}}): syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
r0 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=7m22.092416869s, {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}}): syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
r0 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

program crashed: panic: Watchdog goroutine is stuck
validation run: crashed=true
testing program (duration=7m22.092416869s, {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}}): syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
r0 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=7m22.092416869s, {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}}): syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
r0 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

program crashed: panic: Watchdog goroutine is stuck
validation run: crashed=true
testing program (duration=7m22.092416869s, {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}}): syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
r0 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=7m22.092416869s, {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}}): syz_create_resource$binfmt-execveat$binfmt
detailed listing:
executing program 0:
r0 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00')
execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0)

program crashed: panic: Watchdog goroutine is stuck
validation run: crashed=true
reproducing took 1h47m52.700685965s
repro crashed as (corrupted=false):
panic: Watchdog goroutine is stuck
	Stack for running G's are skipped while panicking.

goroutine 146 gp=0x40000f61c0 m=33 mp=0x40015ab008 [running]:
panic({0xc718e0?, 0x40022ff620?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:811 +0x154 fp=0x4000555d30 sp=0x4000555c80 pc=0x87504
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0x4000555e30?, 0xf0e6fc?, 0x1b?, 0x4000555e30)
	pkg/sentry/watchdog/watchdog.go:376 +0x308 fp=0x4000555e00 sp=0x4000555d30 pc=0x7cf218
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).reportStuckWatchdog(0x4000162000)
	pkg/sentry/watchdog/watchdog.go:341 +0x50 fp=0x4000555e60 sp=0x4000555e00 pc=0x7ceef0
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0x4000162000)
	pkg/sentry/watchdog/watchdog.go:276 +0xf0 fp=0x4000555f40 sp=0x4000555e60 pc=0x7ce8a0
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0x4000162000)
	pkg/sentry/watchdog/watchdog.go:254 +0x28 fp=0x4000555fb0 sp=0x4000555f40 pc=0x7ce728
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.gowrap2()
	pkg/sentry/watchdog/watchdog.go:205 +0x28 fp=0x4000555fd0 sp=0x4000555fb0 pc=0x7ce228
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x4000555fd0 sp=0x4000555fd0 pc=0x90394
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start in goroutine 1
	pkg/sentry/watchdog/watchdog.go:205 +0x210

final repro crashed as (corrupted=false):
panic: Watchdog goroutine is stuck
	Stack for running G's are skipped while panicking.

goroutine 146 gp=0x40000f61c0 m=33 mp=0x40015ab008 [running]:
panic({0xc718e0?, 0x40022ff620?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:811 +0x154 fp=0x4000555d30 sp=0x4000555c80 pc=0x87504
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0x4000555e30?, 0xf0e6fc?, 0x1b?, 0x4000555e30)
	pkg/sentry/watchdog/watchdog.go:376 +0x308 fp=0x4000555e00 sp=0x4000555d30 pc=0x7cf218
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).reportStuckWatchdog(0x4000162000)
	pkg/sentry/watchdog/watchdog.go:341 +0x50 fp=0x4000555e60 sp=0x4000555e00 pc=0x7ceef0
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0x4000162000)
	pkg/sentry/watchdog/watchdog.go:276 +0xf0 fp=0x4000555f40 sp=0x4000555e60 pc=0x7ce8a0
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0x4000162000)
	pkg/sentry/watchdog/watchdog.go:254 +0x28 fp=0x4000555fb0 sp=0x4000555f40 pc=0x7ce728
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.gowrap2()
	pkg/sentry/watchdog/watchdog.go:205 +0x28 fp=0x4000555fd0 sp=0x4000555fb0 pc=0x7ce228
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x4000555fd0 sp=0x4000555fd0 pc=0x90394
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start in goroutine 1
	pkg/sentry/watchdog/watchdog.go:205 +0x210