panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x64162c]

goroutine 137 gp=0x40006bec40 m=6 mp=0x40002bea08 [running]:
panic({0xcd9020?, 0x1b7e880?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x40005af320 sp=0x40005af270 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=0x40005af380 sp=0x40005af320 pc=0x86a40
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0x40000fa000)
	pkg/sentry/kernel/task_signals.go:385 +0x2c fp=0x40005af3f0 sp=0x40005af390 pc=0x64162c
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0xffff6d260ad0?, 0x4000787370?)
	pkg/sentry/kernel/task_acct.go:151 +0x54 fp=0x40005af420 sp=0x40005af3f0 pc=0x626a74
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0x4000787370, {0x88?, {0x0?}, 0x1?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x204 fp=0x40005af4c0 sp=0x40005af420 pc=0x3f9444
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0x4000786c08, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x148 fp=0x40005af530 sp=0x40005af4c0 pc=0x626798
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0x400014f008, 0x400012c1c0, 0x40005f4000, 0x0, 0x40005f4010)
	pkg/sentry/kernel/thread_group.go:308 +0x2ec fp=0x40005af580 sp=0x40005af530 pc=0x64b91c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0x400078cc88, 0x40005af938)
	pkg/sentry/kernel/task_clone.go:238 +0xf5c fp=0x40005af920 sp=0x40005af580 pc=0x62b38c
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x40006bec40?, 0x200000003?, 0x0?, 0x0?, 0x40006bec40?, 0x400004ea08?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x84 fp=0x40005af9f0 sp=0x40005af920 pc=0x7da564
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x4000408b54?, 0x40000002?, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0xf6be7b0165f0}})
	pkg/sentry/syscalls/linux/sys_clone_arm64.go:36 +0x34 fp=0x40005afa30 sp=0x40005af9f0 pc=0x79e784
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x400078cc88, 0xdc, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0xf6be7b0165f0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x4e8 fp=0x40005afc60 sp=0x40005afa30 pc=0x6476b8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x400078cc88, 0xdc, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0xf6be7b0165f0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x3c fp=0x40005afcc0 sp=0x40005afc60 pc=0x6485ec
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x400078cc88, 0xdc, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0xf6be7b0165f0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x58 fp=0x40005afd10 sp=0x40005afcc0 pc=0x648268
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x400069c9c0?)
	pkg/sentry/kernel/task_syscall.go:258 +0x23c fp=0x40005afdf0 sp=0x40005afd10 pc=0x64801c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x40001045a0?, 0x400078cc88)
	pkg/sentry/kernel/task_run.go:269 +0xce4 fp=0x40005aff10 sp=0x40005afdf0 pc=0x63dfc4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x400078cc88, 0x8)
	pkg/sentry/kernel/task_run.go:97 +0x1d4 fp=0x40005affb0 sp=0x40005aff10 pc=0x63cc54
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x2c fp=0x40005affd0 sp=0x40005affb0 pc=0x64624c
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x40005affd0 sp=0x40005affd0 pc=0x8d484
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 181
	pkg/sentry/kernel/task_start.go:400 +0xc4