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

goroutine 4357 gp=0xc000cfc8c0 m=8 mp=0xc0003e8708 [running]:
panic({0x1c598a0?, 0x2c2cca0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc002c50d60 sp=0xc002c50cb0 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=0xc002c50dc0 sp=0xc002c50d60 pc=0x47adf9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc00254e780)
	pkg/sentry/kernel/task_signals.go:385 +0x53 fp=0xc002c50e50 sp=0xc002c50dc0 pc=0xfe74d3
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0xc0028c2fb0, 0xc0028c2f70?)
	pkg/sentry/kernel/task_acct.go:151 +0xea fp=0xc002c50e80 sp=0xc002c50e50 pc=0xfb2a2a
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc0028c2f70, {0x0?, {0x0?}, 0xc001cb1eb0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x342 fp=0xc002c50f58 sp=0xc002c50e80 pc=0xb71562
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc0028c2808, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x18a fp=0xc002c51000 sp=0xc002c50f58 pc=0xfb250a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc0001fd008, 0xc00307f730, 0xc001f58bc0, 0x0, 0xc001f58bd0)
	pkg/sentry/kernel/thread_group.go:308 +0x709 fp=0xc002c51078 sp=0xc002c51000 pc=0xffdd49
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc002d08588, 0xc002c515a0)
	pkg/sentry/kernel/task_clone.go:238 +0x217a fp=0xc002c51580 sp=0xc002c51078 pc=0xfbb5ba
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xc002d08588, 0x24204400, 0x40, 0x0, 0x0, 0x0)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x130 fp=0xc002c51670 sp=0xc002c51580 pc=0x12c7050
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc002d08588, 0x0?, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0xef fp=0xc002c516e8 sp=0xc002c51670 pc=0x126332f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc002d08588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0xb9f fp=0xc002c51998 sp=0xc002c516e8 pc=0xff463f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc002d08588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x85 fp=0xc002c51a40 sp=0xc002c51998 pc=0xff6765
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc002d08588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0xc7 fp=0xc002c51ab0 sp=0xc002c51a40 pc=0xff6087
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc002d08588)
	pkg/sentry/kernel/task_syscall.go:258 +0x54a fp=0xc002c51bd0 sp=0xc002c51ab0 pc=0xff5bea
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc002d08588?, 0xc002d08588)
	pkg/sentry/kernel/task_run.go:269 +0x2295 fp=0xc002c51e78 sp=0xc002c51bd0 pc=0xfe0675
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002d08588, 0x312)
	pkg/sentry/kernel/task_run.go:97 +0x41b fp=0xc002c51fb0 sp=0xc002c51e78 pc=0xfdd99b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x45 fp=0xc002c51fe0 sp=0xc002c51fb0 pc=0xff1f45
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc002c51fe8 sp=0xc002c51fe0 pc=0x4819a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 4272
	pkg/sentry/kernel/task_start.go:400 +0x185