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

goroutine 54961 gp=0x4001835a40 m=83 mp=0x4001533c08 [running]:
panic({0xdd9280?, 0x1e9d520?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x400080f310 sp=0x400080f260 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=0x400080f370 sp=0x400080f310 pc=0x86a40
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0x4002a90880)
	pkg/sentry/kernel/task_signals.go:385 +0x38 fp=0x400080f3e0 sp=0x400080f380 pc=0x6d7d08
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x1?, 0x40015dc370?)
	pkg/sentry/kernel/task_acct.go:151 +0x68 fp=0x400080f410 sp=0x400080f3e0 pc=0x6b9858
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0x40015dc370, {0x0?, {0x400080f528?}, 0x6e3c70?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x224 fp=0x400080f4b0 sp=0x400080f410 pc=0x43f0b4
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0x40015dbc08, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x130 fp=0x400080f530 sp=0x400080f4b0 pc=0x6b9500
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0x4000185008, 0x4003fd8380, 0x40011008a0, 0x0, 0x40011008c0)
	pkg/sentry/kernel/thread_group.go:308 +0x328 fp=0x400080f580 sp=0x400080f530 pc=0x6e3e28
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0x4001247208, 0x400080f938)
	pkg/sentry/kernel/task_clone.go:238 +0x1030 fp=0x400080f920 sp=0x400080f580 pc=0x6beb20
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x400080fb74?, 0x0?, 0x400080fa68?, 0xab35c?, 0x4001835a40?, 0x200000003?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x90 fp=0x400080f9f0 sp=0x400080f920 pc=0x8962a0
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x400080fab8?, 0x14e148?, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_arm64.go:36 +0x68 fp=0x400080fa30 sp=0x400080f9f0 pc=0x85f488
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x4001247208, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x400080fc60 sp=0x400080fa30 pc=0x6dec34
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x4001247208, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x400080fcc0 sp=0x400080fc60 pc=0x6dfef8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x4001247208, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x400080fd10 sp=0x400080fcc0 pc=0x6dfabc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x4002c75a00?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x400080fdf0 sp=0x400080fd10 pc=0x6df7e8
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x40039cf9e0?, 0x4001247208)
	pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x400080ff10 sp=0x400080fdf0 pc=0x6d3c4c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4001247208, 0x2ea4)
	pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x400080ffb0 sp=0x400080ff10 pc=0x6d24f0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x2c fp=0x400080ffd0 sp=0x400080ffb0 pc=0x6dd3fc
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x400080ffd0 sp=0x400080ffd0 pc=0x8d484
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 54943
	pkg/sentry/kernel/task_start.go:400 +0xd8