Extracting prog: 24.50345425s
Minimizing prog: 83.22µs
Simplifying prog options: 0s
Extracting C: 11.458689535s
Simplifying C: 1m5.506194531s


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: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}}): 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=30s, {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 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=30s, {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}}): madvise
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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=30s, {Threaded:false Repeat:false 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}}): madvise
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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}}): madvise
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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}}): madvise
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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}}): madvise
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
reproducing took 1m41.468436507s
repro crashed as (corrupted=false):
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x975261]

goroutine 103 gp=0xc000c10540 m=19 mp=0xc000a32008 [running]:
panic({0x12ac6c0?, 0x236d190?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000697908 sp=0xc000697858 pc=0x473fe8
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=0xc000697968 sp=0xc000697908 pc=0x476719
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(0xc000440008, 0x447286?, 0x86ac726dff2f4713, 0xc000697a28)
	pkg/sentry/mm/syscalls.go:1264 +0x201 fp=0xc000697a08 sp=0xc000697968 pc=0x975261
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).SetDontFork(0x300000002?, 0xc000697ac0?, 0x474a0e?, 0x40?)
	pkg/sentry/mm/syscalls.go:1292 +0x33 fp=0xc000697a48 sp=0xc000697a08 pc=0x9755d3
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Madvise(0x49a099?, 0xc000697ad0?, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_mmap.go:186 +0xd5 fp=0xc000697a78 sp=0xc000697a48 pc=0xcd30d5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000c5ac88, 0x1c, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc000697ca8 sp=0xc000697a78 pc=0xb1d4eb
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000c5ac88, 0x1c, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc000697d00 sp=0xc000697ca8 pc=0xb1ea8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000c5ac88, 0x1c, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc000697d50 sp=0xc000697d00 pc=0xb1e63d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0001ce680?)
	pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc000697e28 sp=0xc000697d50 pc=0xb1e329
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000aee090?, 0xc000c5ac88)
	pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc000697f38 sp=0xc000697e28 pc=0xb11b85
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000c5ac88, 0x7)
	pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc000697fc0 sp=0xc000697f38 pc=0xb1019d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc000697fe0 sp=0xc000697fc0 pc=0xb1ba65
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000697fe8 sp=0xc000697fe0 pc=0x47d0c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 275
	pkg/sentry/kernel/task_start.go:400 +0xd9

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=0x975261]

goroutine 103 gp=0xc000c10540 m=19 mp=0xc000a32008 [running]:
panic({0x12ac6c0?, 0x236d190?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000697908 sp=0xc000697858 pc=0x473fe8
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=0xc000697968 sp=0xc000697908 pc=0x476719
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(0xc000440008, 0x447286?, 0x86ac726dff2f4713, 0xc000697a28)
	pkg/sentry/mm/syscalls.go:1264 +0x201 fp=0xc000697a08 sp=0xc000697968 pc=0x975261
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).SetDontFork(0x300000002?, 0xc000697ac0?, 0x474a0e?, 0x40?)
	pkg/sentry/mm/syscalls.go:1292 +0x33 fp=0xc000697a48 sp=0xc000697a08 pc=0x9755d3
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Madvise(0x49a099?, 0xc000697ad0?, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_mmap.go:186 +0xd5 fp=0xc000697a78 sp=0xc000697a48 pc=0xcd30d5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000c5ac88, 0x1c, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc000697ca8 sp=0xc000697a78 pc=0xb1d4eb
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000c5ac88, 0x1c, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc000697d00 sp=0xc000697ca8 pc=0xb1ea8e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000c5ac88, 0x1c, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc000697d50 sp=0xc000697d00 pc=0xb1e63d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0001ce680?)
	pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc000697e28 sp=0xc000697d50 pc=0xb1e329
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000aee090?, 0xc000c5ac88)
	pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc000697f38 sp=0xc000697e28 pc=0xb11b85
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000c5ac88, 0x7)
	pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc000697fc0 sp=0xc000697f38 pc=0xb1019d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc000697fe0 sp=0xc000697fc0 pc=0xb1ba65
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000697fe8 sp=0xc000697fe0 pc=0x47d0c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 275
	pkg/sentry/kernel/task_start.go:400 +0xd9