Extracting prog: 26.985378505s
Minimizing prog: 29.24µs
Simplifying prog options: 0s
Extracting C: 12.062257374s
Simplifying C: 1m7.117592237s


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 1m46.165268836s
repro crashed as (corrupted=false):
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x54bc78]

goroutine 179 gp=0x40005c3880 m=10 mp=0x4000138008 [running]:
panic({0xdd9180?, 0x1e9d000?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x400064f8b0 sp=0x400064f800 pc=0x84234
runtime.panicmem(...)
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:262
runtime.sigpanic()
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/signal_unix.go:900 +0x300 fp=0x400064f910 sp=0x400064f8b0 pc=0x86a40
gvisor.dev/gvisor/pkg/sentry/mm.vmaIterator.Start(...)
	bazel-out/aarch64-fastbuild/bin/pkg/sentry/mm/vma_set.go:1476
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).madviseMutateVMAs(0x40008ae008, 0x40008ae008?, 0x86ac726dff2f4713, 0x400064f9e8)
	pkg/sentry/mm/syscalls.go:1264 +0x1c8 fp=0x400064f9c0 sp=0x400064f920 pc=0x54bc78
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).SetDontFork(0x4000a86750?, 0x11f1870?, 0x400064fa58?, 0xf0?)
	pkg/sentry/mm/syscalls.go:1292 +0x3c fp=0x400064fa00 sp=0x400064f9c0 pc=0x54bfdc
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Madvise(0x0?, 0xe?, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x2}})
	pkg/sentry/syscalls/linux/sys_mmap.go:186 +0xc8 fp=0x400064fa30 sp=0x400064fa00 pc=0x871ae8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x4000a9ac88, 0xe9, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x2}})
	pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x400064fc60 sp=0x400064fa30 pc=0x6ddfb4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x4000a9ac88, 0xe9, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x2}})
	pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x400064fcc0 sp=0x400064fc60 pc=0x6df278
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x4000a9ac88, 0xe9, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x2}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x400064fd10 sp=0x400064fcc0 pc=0x6dee3c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x4000aa00b0?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x400064fdf0 sp=0x400064fd10 pc=0x6deb68
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x4000a86a20?, 0x4000a9ac88)
	pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x400064ff10 sp=0x400064fdf0 pc=0x6d2fcc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4000a9ac88, 0x7)
	pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x400064ffb0 sp=0x400064ff10 pc=0x6d1870
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x2c fp=0x400064ffd0 sp=0x400064ffb0 pc=0x6dc77c
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x400064ffd0 sp=0x400064ffd0 pc=0x8d484
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 152
	pkg/sentry/kernel/task_start.go:400 +0xd8

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=0x54bc78]

goroutine 179 gp=0x40005c3880 m=10 mp=0x4000138008 [running]:
panic({0xdd9180?, 0x1e9d000?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x400064f8b0 sp=0x400064f800 pc=0x84234
runtime.panicmem(...)
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:262
runtime.sigpanic()
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/signal_unix.go:900 +0x300 fp=0x400064f910 sp=0x400064f8b0 pc=0x86a40
gvisor.dev/gvisor/pkg/sentry/mm.vmaIterator.Start(...)
	bazel-out/aarch64-fastbuild/bin/pkg/sentry/mm/vma_set.go:1476
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).madviseMutateVMAs(0x40008ae008, 0x40008ae008?, 0x86ac726dff2f4713, 0x400064f9e8)
	pkg/sentry/mm/syscalls.go:1264 +0x1c8 fp=0x400064f9c0 sp=0x400064f920 pc=0x54bc78
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).SetDontFork(0x4000a86750?, 0x11f1870?, 0x400064fa58?, 0xf0?)
	pkg/sentry/mm/syscalls.go:1292 +0x3c fp=0x400064fa00 sp=0x400064f9c0 pc=0x54bfdc
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Madvise(0x0?, 0xe?, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x2}})
	pkg/sentry/syscalls/linux/sys_mmap.go:186 +0xc8 fp=0x400064fa30 sp=0x400064fa00 pc=0x871ae8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x4000a9ac88, 0xe9, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x2}})
	pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x400064fc60 sp=0x400064fa30 pc=0x6ddfb4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x4000a9ac88, 0xe9, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x2}})
	pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x400064fcc0 sp=0x400064fc60 pc=0x6df278
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x4000a9ac88, 0xe9, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0xffffffff}, {0x0}, {0x2}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x400064fd10 sp=0x400064fcc0 pc=0x6dee3c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x4000aa00b0?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x400064fdf0 sp=0x400064fd10 pc=0x6deb68
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x4000a86a20?, 0x4000a9ac88)
	pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x400064ff10 sp=0x400064fdf0 pc=0x6d2fcc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4000a9ac88, 0x7)
	pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x400064ffb0 sp=0x400064ff10 pc=0x6d1870
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x2c fp=0x400064ffd0 sp=0x400064ffb0 pc=0x6dc77c
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x400064ffd0 sp=0x400064ffd0 pc=0x8d484
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 152
	pkg/sentry/kernel/task_start.go:400 +0xd8