panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x6d7b88]

goroutine 4803 gp=0x4000724e00 m=18 mp=0x4000712308 [running]:
panic({0xdd9300?, 0x1ead380?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x4000fc3310 sp=0x4000fc3260 pc=0x84234
runtime.panicmem(...)
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:262
runtime.sigpanic()
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/signal_unix.go:900 +0x300 fp=0x4000fc3370 sp=0x4000fc3310 pc=0x86a40
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0x4000df3b80)
	pkg/sentry/kernel/task_signals.go:385 +0x38 fp=0x4000fc33e0 sp=0x4000fc3380 pc=0x6d7b88
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x1?, 0x40012e6f70?)
	pkg/sentry/kernel/task_acct.go:151 +0x68 fp=0x4000fc3410 sp=0x4000fc33e0 pc=0x6b96d8
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0x40012e6f70, {0x0?, {0x4000fc3528?}, 0x6e3af0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x224 fp=0x4000fc34b0 sp=0x4000fc3410 pc=0x43f0b4
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0x40012e6808, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x130 fp=0x4000fc3530 sp=0x4000fc34b0 pc=0x6b9380
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0x40001cb008, 0x4000370fc0, 0x4000759de0, 0x0, 0x4000759df0)
	pkg/sentry/kernel/thread_group.go:308 +0x328 fp=0x4000fc3580 sp=0x4000fc3530 pc=0x6e3ca8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0x400111c008, 0x4000fc3938)
	pkg/sentry/kernel/task_clone.go:238 +0x1030 fp=0x4000fc3920 sp=0x4000fc3580 pc=0x6be9a0
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x4000dc3b74?, 0x0?, 0x4000dc3a68?, 0xab35c?, 0x4000724e00?, 0x200000003?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x90 fp=0x4000fc39f0 sp=0x4000fc3920 pc=0x896120
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x4000dc3ab8?, 0x14e148?, {{0xc00e4000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_arm64.go:36 +0x68 fp=0x4000fc3a30 sp=0x4000fc39f0 pc=0x85f308
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x400111c008, 0xdc, {{0xc00e4000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x4000fc3c60 sp=0x4000fc3a30 pc=0x6deab4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x400111c008, 0xdc, {{0xc00e4000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x4000fc3cc0 sp=0x4000fc3c60 pc=0x6dfd78
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x400111c008, 0xdc, {{0xc00e4000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x4000fc3d10 sp=0x4000fc3cc0 pc=0x6df93c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x40009aab60?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x4000fc3df0 sp=0x4000fc3d10 pc=0x6df668
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x40006334d0?, 0x400111c008)
	pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x4000fc3f10 sp=0x4000fc3df0 pc=0x6d3acc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x400111c008, 0x466)
	pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x4000fc3fb0 sp=0x4000fc3f10 pc=0x6d2370
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x2c fp=0x4000fc3fd0 sp=0x4000fc3fb0 pc=0x6dd27c
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x4000fc3fd0 sp=0x4000fc3fd0 pc=0x8d484
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 4801
	pkg/sentry/kernel/task_start.go:400 +0xd8