panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xbc5dac]

goroutine 695 gp=0xc000f056c0 m=23 mp=0xc00018ce08 [running]:
panic({0x187c5c0?, 0x2820ca0?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0xc001c9b4b0 sp=0xc001c9b400 pc=0x477f44
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=0xc001c9b510 sp=0xc001c9b4b0 pc=0x47a7c0
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(0xc00198e008, 0x20bdc000, 0x86ac726dff2f4713, 0xc001c9b668)
	pkg/sentry/mm/syscalls.go:1264 +0x2ec fp=0xc001c9b640 sp=0xc001c9b520 pc=0xbc5dac
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).SetDontFork(0xc00198e008, 0x20bdc000, 0x86ac726dff2f4713, 0x1)
	pkg/sentry/mm/syscalls.go:1292 +0x80 fp=0xc001c9b690 sp=0xc001c9b640 pc=0xbc6170
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Madvise(0xc00209ec88, 0xc0007ba400?, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_mmap.go:186 +0x164 fp=0xc001c9b6f0 sp=0xc001c9b690 pc=0x103a0f4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00209ec88, 0xe9, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x884 fp=0xc001c9b9a0 sp=0xc001c9b6f0 pc=0xe0d124
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00209ec88, 0xe9, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x60 fp=0xc001c9ba50 sp=0xc001c9b9a0 pc=0xe0eb50
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00209ec88, 0xe9, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0xa8 fp=0xc001c9bac0 sp=0xc001c9ba50 pc=0xe0e5a8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00209ec88)
	pkg/sentry/kernel/task_syscall.go:258 +0x45c fp=0xc001c9bbf0 sp=0xc001c9bac0 pc=0xe0e1dc
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00209ec88?, 0xc00209ec88)
	pkg/sentry/kernel/task_run.go:269 +0x1860 fp=0xc001c9be60 sp=0xc001c9bbf0 pc=0xdfd2f0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00209ec88, 0x77)
	pkg/sentry/kernel/task_run.go:97 +0x2f8 fp=0xc001c9bfa0 sp=0xc001c9be60 pc=0xdfb1d8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x44 fp=0xc001c9bfd0 sp=0xc001c9bfa0 pc=0xe0b114
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0xc001c9bfd0 sp=0xc001c9bfd0 pc=0x4813a4
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 836
	pkg/sentry/kernel/task_start.go:400 +0x160