panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xf45405]

goroutine 386 gp=0xc00048b880 m=25 mp=0xc000e00008 [running]:
panic({0x1b67d00?, 0x2b48150?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000a44ce8 sp=0xc000a44c38 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=0xc000a44d48 sp=0xc000a44ce8 pc=0x47adf9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc000134980)
	pkg/sentry/kernel/task_signals.go:385 +0x45 fp=0xc000a44de0 sp=0xc000a44d48 pc=0xf45405
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0xc0009b2bb0, 0xc0009b2b70?)
	pkg/sentry/kernel/task_acct.go:151 +0xca fp=0xc000a44e10 sp=0xc000a44de0 pc=0xf134ea
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc0009b2b70, {0x0?, {0x0?}, 0x1f70580?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x2c5 fp=0xc000a44ee8 sp=0xc000a44e10 pc=0xb18565
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc0009b2408, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x179 fp=0xc000a44f78 sp=0xc000a44ee8 pc=0xf13019
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc000287008, 0xc0005c4540, 0xc0006ee1c0, 0x0, 0xc0006ee1d0)
	pkg/sentry/kernel/thread_group.go:308 +0x75f fp=0xc000a44fe0 sp=0xc000a44f78 pc=0xf5a13f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc0007de588, 0xc000a45598)
	pkg/sentry/kernel/task_clone.go:238 +0x2565 fp=0xc000a45578 sp=0xc000a44fe0 pc=0xf1b5e5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xc0007de588, 0x24204400, 0x40, 0x0, 0x0, 0x0)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x125 fp=0xc000a45668 sp=0xc000a45578 pc=0x12164e5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc0007de588, 0x0?, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7fbfd16226c0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x4e fp=0xc000a456c8 sp=0xc000a45668 pc=0x11a636e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0007de588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7fbfd16226c0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x995 fp=0xc000a45960 sp=0xc000a456c8 pc=0xf51d35
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0007de588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7fbfd16226c0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc000a45a08 sp=0xc000a45960 pc=0xf53b92
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0007de588, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7fbfd16226c0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc000a45a78 sp=0xc000a45a08 pc=0xf53594
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0007de588)
	pkg/sentry/kernel/task_syscall.go:258 +0x4b0 fp=0xc000a45b98 sp=0xc000a45a78 pc=0xf53130
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0007de588?, 0xc0007de588)
	pkg/sentry/kernel/task_run.go:269 +0x1fae fp=0xc000a45e70 sp=0xc000a45b98 pc=0xf3f24e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0007de588, 0x32)
	pkg/sentry/kernel/task_run.go:97 +0x4fb fp=0xc000a45fb0 sp=0xc000a45e70 pc=0xf3c8bb
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x45 fp=0xc000a45fe0 sp=0xc000a45fb0 pc=0xf4fb05
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000a45fe8 sp=0xc000a45fe0 pc=0x4819a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 321
	pkg/sentry/kernel/task_start.go:400 +0x165