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

goroutine 51579 gp=0x400189b340 m=25 mp=0x4001169c08 [running]:
panic({0xdd9280?, 0x1e9d520?})
	bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x4001a47310 sp=0x4001a47260 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=0x4001a47370 sp=0x4001a47310 pc=0x86a40
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0x4002dfa400)
	pkg/sentry/kernel/task_signals.go:385 +0x38 fp=0x4001a473e0 sp=0x4001a47380 pc=0x6d7d08
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x1?, 0x4003079b70?)
	pkg/sentry/kernel/task_acct.go:151 +0x68 fp=0x4001a47410 sp=0x4001a473e0 pc=0x6b9858
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0x4003079b70, {0x0?, {0x4001a47528?}, 0x6e3c70?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x224 fp=0x4001a474b0 sp=0x4001a47410 pc=0x43f0b4
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0x4003079408, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x130 fp=0x4001a47530 sp=0x4001a474b0 pc=0x6b9500
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0x4000185008, 0x400429dab0, 0x4001990cc0, 0x0, 0x4001990cd0)
	pkg/sentry/kernel/thread_group.go:308 +0x328 fp=0x4001a47580 sp=0x4001a47530 pc=0x6e3e28
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0x4002e1e588, 0x4001a47938)
	pkg/sentry/kernel/task_clone.go:238 +0x1030 fp=0x4001a47920 sp=0x4001a47580 pc=0x6beb20
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x4001a47b74?, 0x0?, 0x4001a47a68?, 0xab35c?, 0x400189b340?, 0x200000003?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0x90 fp=0x4001a479f0 sp=0x4001a47920 pc=0x8962a0
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x4001a47ab8?, 0x14e148?, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_clone_arm64.go:36 +0x68 fp=0x4001a47a30 sp=0x4001a479f0 pc=0x85f488
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x4002e1e588, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x4001a47c60 sp=0x4001a47a30 pc=0x6dec34
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x4002e1e588, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x4001a47cc0 sp=0x4001a47c60 pc=0x6dfef8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x4002e1e588, 0xdc, {{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x4001a47d10 sp=0x4001a47cc0 pc=0x6dfabc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x40010d2d00?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x4001a47df0 sp=0x4001a47d10 pc=0x6df7e8
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x40048a6900?, 0x4002e1e588)
	pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x4001a47f10 sp=0x4001a47df0 pc=0x6d3c4c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4002e1e588, 0x2ca9)
	pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x4001a47fb0 sp=0x4001a47f10 pc=0x6d24f0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x2c fp=0x4001a47fd0 sp=0x4001a47fb0 pc=0x6dd3fc
runtime.goexit({})
	src/runtime/asm_arm64.s:1223 +0x4 fp=0x4001a47fd0 sp=0x4001a47fd0 pc=0x8d484
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 51577
	pkg/sentry/kernel/task_start.go:400 +0xd8