panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xf45465]

goroutine 1557 gp=0xc000b13c00 m=14 mp=0xc0004e6e08 [running]:
panic({0x1b67e00?, 0x2b48150?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc001226ce8 sp=0xc001226c38 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=0xc001226d48 sp=0xc001226ce8 pc=0x47adf9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc00098c980)
	pkg/sentry/kernel/task_signals.go:385 +0x45 fp=0xc001226de0 sp=0xc001226d48 pc=0xf45465
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0xc0014297b0, 0xc001429770?)
	pkg/sentry/kernel/task_acct.go:151 +0xca fp=0xc001226e10 sp=0xc001226de0 pc=0xf1354a
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc001429770, {0x0?, {0x0?}, 0x1f706c0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x2c5 fp=0xc001226ee8 sp=0xc001226e10 pc=0xb18565
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc001429008, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x179 fp=0xc001226f78 sp=0xc001226ee8 pc=0xf13079
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc00024f008, 0xc00091ac40, 0xc001451120, 0x0, 0xc001451150)
	pkg/sentry/kernel/thread_group.go:308 +0x75f fp=0xc001226fe0 sp=0xc001226f78 pc=0xf5a19f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc00143cc88, 0xc001227598)
	pkg/sentry/kernel/task_clone.go:238 +0x2565 fp=0xc001227578 sp=0xc001226fe0 pc=0xf1b645
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xc00143cc88, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x125 fp=0xc001227668 sp=0xc001227578 pc=0x12165e5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc00143cc88, 0x0?, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x4e fp=0xc0012276c8 sp=0xc001227668 pc=0x11a646e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00143cc88, 0x38, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x995 fp=0xc001227960 sp=0xc0012276c8 pc=0xf51d95
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00143cc88, 0x38, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc001227a08 sp=0xc001227960 pc=0xf53bf2
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00143cc88, 0x38, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc001227a78 sp=0xc001227a08 pc=0xf535f4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00143cc88)
	pkg/sentry/kernel/task_syscall.go:258 +0x4b0 fp=0xc001227b98 sp=0xc001227a78 pc=0xf53190
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00143cc88?, 0xc00143cc88)
	pkg/sentry/kernel/task_run.go:269 +0x1fae fp=0xc001227e70 sp=0xc001227b98 pc=0xf3f2ae
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00143cc88, 0x3d)
	pkg/sentry/kernel/task_run.go:97 +0x4fb fp=0xc001227fb0 sp=0xc001227e70 pc=0xf3c91b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x45 fp=0xc001227fe0 sp=0xc001227fb0 pc=0xf4fb65
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc001227fe8 sp=0xc001227fe0 pc=0x4819a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 1304
	pkg/sentry/kernel/task_start.go:400 +0x165