panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xb3f0d0]

goroutine 2046 gp=0xc001ba3340 m=28 mp=0xc000680708 [running]:
panic({0x17729c0?, 0x2721140?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0xc000559490 sp=0xc0005593e0 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=0xc0005594f0 sp=0xc000559490 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(0xc001658008, 0x20bdc000, 0x86ac726dff2f4713, 0xc000559658)
	pkg/sentry/mm/syscalls.go:1264 +0x210 fp=0xc000559610 sp=0xc000559500 pc=0xb3f0d0
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).SetDontFork(...)
	pkg/sentry/mm/syscalls.go:1292
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Madvise(0xc001e74588, 0xd6e680?, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_mmap.go:186 +0x114 fp=0xc0005596a0 sp=0xc000559610 pc=0xf70ec4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001e74588, 0xe9, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x694 fp=0xc000559950 sp=0xc0005596a0 pc=0xd686c4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001e74588, 0xe9, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x50 fp=0xc000559a00 sp=0xc000559950 pc=0xd69dd0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001e74588, 0xe9, {{0x20bdc000}, {0x86ac726dff2f4713}, {0xa}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x78 fp=0xc000559a70 sp=0xc000559a00 pc=0xd698f8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001e74588)
	pkg/sentry/kernel/task_syscall.go:258 +0x3c0 fp=0xc000559ba0 sp=0xc000559a70 pc=0xd69590
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001e74588?, 0xc001e74588)
	pkg/sentry/kernel/task_run.go:269 +0x15d4 fp=0xc000559e50 sp=0xc000559ba0 pc=0xd59e34
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001e74588, 0xea)
	pkg/sentry/kernel/task_run.go:97 +0x398 fp=0xc000559fa0 sp=0xc000559e50 pc=0xd58008
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x44 fp=0xc000559fd0 sp=0xc000559fa0 pc=0xd66b84
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0xc000559fd0 sp=0xc000559fd0 pc=0x4813a4
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 2475
	pkg/sentry/kernel/task_start.go:400 +0x13c