panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xfe74d3]

goroutine 6477 gp=0xc001135a40 m=13 mp=0xc00087c708 [running]:
panic({0x1c5a2c0?, 0x2c2dca0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc001f9ed60 sp=0xc001f9ecb0 pc=0x478628
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=0xc001f9edc0 sp=0xc001f9ed60 pc=0x47adf9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc001c10980)
	pkg/sentry/kernel/task_signals.go:385 +0x53 fp=0xc001f9ee50 sp=0xc001f9edc0 pc=0xfe74d3
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0xc0007e0fb0, 0xc0007e0f70?)
	pkg/sentry/kernel/task_acct.go:151 +0xea fp=0xc001f9ee80 sp=0xc001f9ee50 pc=0xfb2a2a
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc0007e0f70, {0x0?, {0x0?}, 0xc0022f9eb0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x342 fp=0xc001f9ef58 sp=0xc001f9ee80 pc=0xb71562
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc0007e0808, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x18a fp=0xc001f9f000 sp=0xc001f9ef58 pc=0xfb250a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc000247008, 0xc000cbc310, 0xc0012e87b0, 0x11, 0xc0012e87d0)
	pkg/sentry/kernel/thread_group.go:308 +0x709 fp=0xc001f9f078 sp=0xc001f9f000 pc=0xffdd49
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc001f16c88, 0xc001f9f5a0)
	pkg/sentry/kernel/task_clone.go:238 +0x217a fp=0xc001f9f580 sp=0xc001f9f078 pc=0xfbb5ba
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xc001f16c88, 0x11, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x130 fp=0xc001f9f670 sp=0xc001f9f580 pc=0x12c7890
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc001f16c88, 0x4af8cf?, {{0x11}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0xef fp=0xc001f9f6e8 sp=0xc001f9f670 pc=0x1263b6f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001f16c88, 0x38, {{0x11}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0xb9f fp=0xc001f9f998 sp=0xc001f9f6e8 pc=0xff463f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001f16c88, 0x38, {{0x11}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x85 fp=0xc001f9fa40 sp=0xc001f9f998 pc=0xff6765
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001f16c88, 0x38, {{0x11}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0xc7 fp=0xc001f9fab0 sp=0xc001f9fa40 pc=0xff6087
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001f16c88)
	pkg/sentry/kernel/task_syscall.go:258 +0x54a fp=0xc001f9fbd0 sp=0xc001f9fab0 pc=0xff5bea
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc001f16c88?, 0xc001f16c88)
	pkg/sentry/kernel/task_run.go:269 +0x2295 fp=0xc001f9fe78 sp=0xc001f9fbd0 pc=0xfe0675
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001f16c88, 0x5a9)
	pkg/sentry/kernel/task_run.go:97 +0x41b fp=0xc001f9ffb0 sp=0xc001f9fe78 pc=0xfdd99b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x45 fp=0xc001f9ffe0 sp=0xc001f9ffb0 pc=0xff1f45
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc001f9ffe8 sp=0xc001f9ffe0 pc=0x4819a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 6546
	pkg/sentry/kernel/task_start.go:400 +0x185