panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x6d7d48]

goroutine 776 gp=0x4000786fc0 m=11 mp=0x400058a008 [running]:
panic({0xdd9280?, 0x1e9d520?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x400056d310 sp=0x400056d260 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=0x400056d370 sp=0x400056d310 pc=0x86a40
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0x40012beb00)
	pkg/sentry/kernel/task_signals.go:385 +0x38 fp=0x400056d3e0 sp=0x400056d380 pc=0x6d7d48
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x1?, 0x4001902b70?)
	pkg/sentry/kernel/task_acct.go:151 +0x68 fp=0x400056d410 sp=0x400056d3e0 pc=0x6b9898
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0x4001902b70, {0x0?, {0x400056d528?}, 0x6e3cb0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x224 fp=0x400056d4b0 sp=0x400056d410 pc=0x43f0b4
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0x4001902408, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x130 fp=0x400056d530 sp=0x400056d4b0 pc=0x6b9540
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0x40001cb008, 0x4000826d20, 0x40006b2240, 0x0, 0x40006b2250)
	pkg/sentry/kernel/thread_group.go:308 +0x328 fp=0x400056d580 sp=0x400056d530 pc=0x6e3e68
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0x4000d4e588, 0x400056d938)
	pkg/sentry/kernel/task_clone.go:238 +0x1030 fp=0x400056d920 sp=0x400056d580 pc=0x6beb60
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x0?, 0x140000?, 0x0?, 0xdb5a5c8cb398?, 0xeea8d3a3e8b8?, 0x400056d9f8?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x90 fp=0x400056d9f0 sp=0x400056d920 pc=0x896310
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x4000d4e588?, 0xdb?, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_arm64.go:36 +0x68 fp=0x400056da30 sp=0x400056d9f0 pc=0x85f4f8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x4000d4e588, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x400056dc60 sp=0x400056da30 pc=0x6dec74
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x4000d4e588, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x400056dcc0 sp=0x400056dc60 pc=0x6dff38
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x4000d4e588, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x400056dd10 sp=0x400056dcc0 pc=0x6dfafc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x400190d600?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x400056ddf0 sp=0x400056dd10 pc=0x6df828
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x400059c480?, 0x4000d4e588)
	pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x400056df10 sp=0x400056ddf0 pc=0x6d3c8c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4000d4e588, 0x49)
	pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x400056dfb0 sp=0x400056df10 pc=0x6d2530
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x2c fp=0x400056dfd0 sp=0x400056dfb0 pc=0x6dd43c
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x400056dfd0 sp=0x400056dfd0 pc=0x8d484
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 974
	pkg/sentry/kernel/task_start.go:400 +0xd8