Extracting prog: 57.42983605s
Minimizing prog: 44.1µs
Simplifying prog options: 0s
Extracting C: 33.58322611s
Simplifying C: 2m36.246439307s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 45s
testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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}}): madvise
detailed listing:
executing program 0:
madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0xa)

program crashed: panic: runtime error: invalid memory address or nil pointer dereference
single: successfully extracted reproducer
found reproducer with 1 syscalls
minimizing guilty program
extracting C reproducer
testing compiled C program (duration=1m2.756578639s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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}}): madvise
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
simplifying C reproducer
testing compiled C program (duration=1m2.756578639s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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}}): madvise
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing compiled C program (duration=1m2.756578639s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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}}): madvise
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing compiled C program (duration=1m2.756578639s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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}}): madvise
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing compiled C program (duration=1m2.756578639s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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}}): madvise
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing compiled C program (duration=1m2.756578639s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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}}): madvise
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
reproducing took 4m7.259566067s
repro crashed as (corrupted=false):
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xd3a412]

goroutine 274 gp=0xc00073cfc0 m=10 mp=0xc000180708 [running]:
panic({0x1c5a8e0?, 0x2c2fca0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000bd34d0 sp=0xc000bd3420 pc=0x478628
runtime.panicmem(...)
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:262
runtime.sigpanic()
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/signal_unix.go:900 +0x359 fp=0xc000bd3530 sp=0xc000bd34d0 pc=0x47adf9
gvisor.dev/gvisor/pkg/sentry/mm.vmaIterator.Start(...)
	bazel-out/k8-fastbuild/bin/pkg/sentry/mm/vma_set.go:1476
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).madviseMutateVMAs(0xc000c18008, 0x20bdc000, 0x86ac726dff2f4713, 0xc000bd3660)
	pkg/sentry/mm/syscalls.go:1264 +0x432 fp=0xc000bd3640 sp=0xc000bd3530 pc=0xd3a412
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).SetDontFork(0xc000c18008, 0x20bdc000, 0x86ac726dff2f4713, 0x1)
	pkg/sentry/mm/syscalls.go:1292 +0x95 fp=0xc000bd3690 sp=0xc000bd3640 pc=0xd3a8f5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Madvise(0xc000d62008, 0x484ca9?, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x6}})
	pkg/sentry/syscalls/linux/sys_mmap.go:186 +0x1a8 fp=0xc000bd36e8 sp=0xc000bd3690 pc=0x12893e8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000d62008, 0x1c, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x6}})
	pkg/sentry/kernel/task_syscall.go:143 +0xb9f fp=0xc000bd3998 sp=0xc000bd36e8 pc=0xff429f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000d62008, 0x1c, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x6}})
	pkg/sentry/kernel/task_syscall.go:323 +0x85 fp=0xc000bd3a40 sp=0xc000bd3998 pc=0xff63c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000d62008, 0x1c, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x6}})
	pkg/sentry/kernel/task_syscall.go:283 +0xc7 fp=0xc000bd3ab0 sp=0xc000bd3a40 pc=0xff5ce7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000d62008)
	pkg/sentry/kernel/task_syscall.go:258 +0x54a fp=0xc000bd3bd0 sp=0xc000bd3ab0 pc=0xff584a
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000d62008?, 0xc000d62008)
	pkg/sentry/kernel/task_run.go:269 +0x2295 fp=0xc000bd3e78 sp=0xc000bd3bd0 pc=0xfe02d5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000d62008, 0x8)
	pkg/sentry/kernel/task_run.go:97 +0x41b fp=0xc000bd3fb0 sp=0xc000bd3e78 pc=0xfdd5fb
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x45 fp=0xc000bd3fe0 sp=0xc000bd3fb0 pc=0xff1ba5
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000bd3fe8 sp=0xc000bd3fe0 pc=0x4819a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 235
	pkg/sentry/kernel/task_start.go:400 +0x185

final repro crashed as (corrupted=false):
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xd3a412]

goroutine 274 gp=0xc00073cfc0 m=10 mp=0xc000180708 [running]:
panic({0x1c5a8e0?, 0x2c2fca0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000bd34d0 sp=0xc000bd3420 pc=0x478628
runtime.panicmem(...)
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:262
runtime.sigpanic()
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/signal_unix.go:900 +0x359 fp=0xc000bd3530 sp=0xc000bd34d0 pc=0x47adf9
gvisor.dev/gvisor/pkg/sentry/mm.vmaIterator.Start(...)
	bazel-out/k8-fastbuild/bin/pkg/sentry/mm/vma_set.go:1476
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).madviseMutateVMAs(0xc000c18008, 0x20bdc000, 0x86ac726dff2f4713, 0xc000bd3660)
	pkg/sentry/mm/syscalls.go:1264 +0x432 fp=0xc000bd3640 sp=0xc000bd3530 pc=0xd3a412
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).SetDontFork(0xc000c18008, 0x20bdc000, 0x86ac726dff2f4713, 0x1)
	pkg/sentry/mm/syscalls.go:1292 +0x95 fp=0xc000bd3690 sp=0xc000bd3640 pc=0xd3a8f5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Madvise(0xc000d62008, 0x484ca9?, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x6}})
	pkg/sentry/syscalls/linux/sys_mmap.go:186 +0x1a8 fp=0xc000bd36e8 sp=0xc000bd3690 pc=0x12893e8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000d62008, 0x1c, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x6}})
	pkg/sentry/kernel/task_syscall.go:143 +0xb9f fp=0xc000bd3998 sp=0xc000bd36e8 pc=0xff429f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000d62008, 0x1c, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x6}})
	pkg/sentry/kernel/task_syscall.go:323 +0x85 fp=0xc000bd3a40 sp=0xc000bd3998 pc=0xff63c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000d62008, 0x1c, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x6}})
	pkg/sentry/kernel/task_syscall.go:283 +0xc7 fp=0xc000bd3ab0 sp=0xc000bd3a40 pc=0xff5ce7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000d62008)
	pkg/sentry/kernel/task_syscall.go:258 +0x54a fp=0xc000bd3bd0 sp=0xc000bd3ab0 pc=0xff584a
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000d62008?, 0xc000d62008)
	pkg/sentry/kernel/task_run.go:269 +0x2295 fp=0xc000bd3e78 sp=0xc000bd3bd0 pc=0xfe02d5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000d62008, 0x8)
	pkg/sentry/kernel/task_run.go:97 +0x41b fp=0xc000bd3fb0 sp=0xc000bd3e78 pc=0xfdd5fb
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x45 fp=0xc000bd3fe0 sp=0xc000bd3fb0 pc=0xff1ba5
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000bd3fe8 sp=0xc000bd3fe0 pc=0x4819a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 235
	pkg/sentry/kernel/task_start.go:400 +0x185