panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xb16cd8]

goroutine 1564 gp=0xc000e7f6c0 m=21 mp=0xc000c36008 [running]:
panic({0x12ad7c0?, 0x236f6b0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000b67390 sp=0xc000b672e0 pc=0x473fe8
runtime.panicmem(...)
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:262
runtime.sigpanic()
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/signal_unix.go:900 +0x359 fp=0xc000b673f0 sp=0xc000b67390 pc=0x476719
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc0011a9080)
	pkg/sentry/kernel/task_signals.go:385 +0x38 fp=0xc000b67450 sp=0xc000b673f0 pc=0xb16cd8
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x10001ba42f8?, 0xc001bb3370?)
	pkg/sentry/kernel/task_acct.go:151 +0x57 fp=0xc000b67478 sp=0xc000b67450 pc=0xaf6977
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc001bb3370, {0x0?, {0x85aa38?}, 0x0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x256 fp=0xc000b67518 sp=0xc000b67478 pc=0x85c836
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc001bb2c08, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x145 fp=0xc000b67590 sp=0xc000b67518 pc=0xaf6685
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc000201008, 0xc000a1ddc0, 0xc0003183d0, 0x0, 0xc0003183e0)
	pkg/sentry/kernel/thread_group.go:308 +0x3ac fp=0xc000b675d0 sp=0xc000b67590 pc=0xb23a0c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc001630c88, 0xc000b67978)
	pkg/sentry/kernel/task_clone.go:238 +0x143b fp=0xc000b67968 sp=0xc000b675d0 pc=0xafc47b
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x49a0de?, 0xc001ba2250?, 0x55814b27efa8?, 0xf4240?, 0x55814b27efa0?, 0xc000e7f6c0?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0xbd fp=0xc000b67a38 sp=0xc000b67968 pc=0xcfdc7d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc001630c88?, 0xc000e7f6c0?, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x68 fp=0xc000b67a78 sp=0xc000b67a38 pc=0xcbdcc8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001630c88, 0x38, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc000b67ca8 sp=0xc000b67a78 pc=0xb1e2ab
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001630c88, 0x38, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc000b67d00 sp=0xc000b67ca8 pc=0xb1f84e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001630c88, 0x38, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc000b67d50 sp=0xc000b67d00 pc=0xb1f3fd
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001bbc000?)
	pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc000b67e28 sp=0xc000b67d50 pc=0xb1f0e9
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0007bb680?, 0xc001630c88)
	pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc000b67f38 sp=0xc000b67e28 pc=0xb12945
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001630c88, 0x48)
	pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc000b67fc0 sp=0xc000b67f38 pc=0xb10f5d
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc000b67fe0 sp=0xc000b67fc0 pc=0xb1c825
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000b67fe8 sp=0xc000b67fe0 pc=0x47d0c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 1336
	pkg/sentry/kernel/task_start.go:400 +0xd9