panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x6d7d08]

goroutine 39623 gp=0x4001444540 m=60 mp=0x4001260708 [running]:
panic({0xdd9280?, 0x1e9d520?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x4002a69310 sp=0x4002a69260 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=0x4002a69370 sp=0x4002a69310 pc=0x86a40
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0x400054f280)
	pkg/sentry/kernel/task_signals.go:385 +0x38 fp=0x4002a693e0 sp=0x4002a69380 pc=0x6d7d08
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x1?, 0x4001553770?)
	pkg/sentry/kernel/task_acct.go:151 +0x68 fp=0x4002a69410 sp=0x4002a693e0 pc=0x6b9858
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0x4001553770, {0x0?, {0x4002a69528?}, 0x6e3c70?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x224 fp=0x4002a694b0 sp=0x4002a69410 pc=0x43f0b4
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0x4001553008, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x130 fp=0x4002a69530 sp=0x4002a694b0 pc=0x6b9500
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0x4000185008, 0x4004436f50, 0x4001a55030, 0x0, 0x4001a55040)
	pkg/sentry/kernel/thread_group.go:308 +0x328 fp=0x4002a69580 sp=0x4002a69530 pc=0x6e3e28
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0x400340b908, 0x4002a69938)
	pkg/sentry/kernel/task_clone.go:238 +0x1030 fp=0x4002a69920 sp=0x4002a69580 pc=0x6beb20
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x4001305b74?, 0x0?, 0x4001305a68?, 0xab35c?, 0x4001444540?, 0x200000003?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x90 fp=0x4002a699f0 sp=0x4002a69920 pc=0x8962a0
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x4001305ab8?, 0x14e148?, {{0xc00e4000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_arm64.go:36 +0x68 fp=0x4002a69a30 sp=0x4002a699f0 pc=0x85f488
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x400340b908, 0xdc, {{0xc00e4000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x4002a69c60 sp=0x4002a69a30 pc=0x6dec34
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x400340b908, 0xdc, {{0xc00e4000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x4002a69cc0 sp=0x4002a69c60 pc=0x6dfef8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x400340b908, 0xdc, {{0xc00e4000}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x4002a69d10 sp=0x4002a69cc0 pc=0x6dfabc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x40026c8dd0?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x4002a69df0 sp=0x4002a69d10 pc=0x6df7e8
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x4000abcc60?, 0x400340b908)
	pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x4002a69f10 sp=0x4002a69df0 pc=0x6d3c4c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x400340b908, 0x2397)
	pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x4002a69fb0 sp=0x4002a69f10 pc=0x6d24f0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x2c fp=0x4002a69fd0 sp=0x4002a69fb0 pc=0x6dd3fc
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x4002a69fd0 sp=0x4002a69fd0 pc=0x8d484
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 39831
	pkg/sentry/kernel/task_start.go:400 +0xd8