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

goroutine 882 gp=0xc000e05340 m=20 mp=0xc00059a308 [running]:
panic({0x1b67e00?, 0x2b48150?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0006f0ce8 sp=0xc0006f0c38 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=0xc0006f0d48 sp=0xc0006f0ce8 pc=0x47adf9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc0004ee680)
	pkg/sentry/kernel/task_signals.go:385 +0x45 fp=0xc0006f0de0 sp=0xc0006f0d48 pc=0xf45465
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0xc000b777b0, 0xc000b77770?)
	pkg/sentry/kernel/task_acct.go:151 +0xca fp=0xc0006f0e10 sp=0xc0006f0de0 pc=0xf1354a
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc000b77770, {0x0?, {0x0?}, 0x1f706c0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x2c5 fp=0xc0006f0ee8 sp=0xc0006f0e10 pc=0xb18565
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc000b77008, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x179 fp=0xc0006f0f78 sp=0xc0006f0ee8 pc=0xf13079
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc00024d008, 0xc000eaacb0, 0xc0007bc2c0, 0x0, 0xc0007bc2d0)
	pkg/sentry/kernel/thread_group.go:308 +0x75f fp=0xc0006f0fe0 sp=0xc0006f0f78 pc=0xf5a19f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc000e9d208, 0xc0006f1598)
	pkg/sentry/kernel/task_clone.go:238 +0x2565 fp=0xc0006f1578 sp=0xc0006f0fe0 pc=0xf1b645
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xc000e9d208, 0x24204400, 0x40, 0x0, 0x0, 0x0)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x125 fp=0xc0006f1668 sp=0xc0006f1578 pc=0x12165e5
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc000e9d208, 0x0?, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7f10e94626c0}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x4e fp=0xc0006f16c8 sp=0xc0006f1668 pc=0x11a646e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000e9d208, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7f10e94626c0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x995 fp=0xc0006f1960 sp=0xc0006f16c8 pc=0xf51d95
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000e9d208, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7f10e94626c0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc0006f1a08 sp=0xc0006f1960 pc=0xf53bf2
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000e9d208, 0x38, {{0x24204400}, {0x40}, {0x0}, {0x0}, {0x0}, {0x7f10e94626c0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc0006f1a78 sp=0xc0006f1a08 pc=0xf535f4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000e9d208)
	pkg/sentry/kernel/task_syscall.go:258 +0x4b0 fp=0xc0006f1b98 sp=0xc0006f1a78 pc=0xf53190
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000e9d208?, 0xc000e9d208)
	pkg/sentry/kernel/task_run.go:269 +0x1fae fp=0xc0006f1e70 sp=0xc0006f1b98 pc=0xf3f2ae
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000e9d208, 0xcd)
	pkg/sentry/kernel/task_run.go:97 +0x4fb fp=0xc0006f1fb0 sp=0xc0006f1e70 pc=0xf3c91b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x45 fp=0xc0006f1fe0 sp=0xc0006f1fb0 pc=0xf4fb65
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0006f1fe8 sp=0xc0006f1fe0 pc=0x4819a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 841
	pkg/sentry/kernel/task_start.go:400 +0x165