panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xa714ee]

goroutine 457573 gp=0xc00367ea80 m=23 mp=0xc001900e08 [running]:
panic({0x1192560?, 0x2072ac0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00370d3a8 sp=0xc00370d2f8 pc=0x473fe8
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=0xc00370d408 sp=0xc00370d3a8 pc=0x476719
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc002aaf900)
	pkg/sentry/kernel/task_signals.go:385 +0x2e fp=0xc00370d468 sp=0xc00370d408 pc=0xa714ee
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x70?, 0xc00a43eb70?)
	pkg/sentry/kernel/task_acct.go:151 +0x45 fp=0xc00370d490 sp=0xc00370d468 pc=0xa55a85
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc00a43eb70, {0x0?, {0x1?}, 0x0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x204 fp=0xc00370d530 sp=0xc00370d490 pc=0x812744
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc00a43e408, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x10e fp=0xc00370d598 sp=0xc00370d530 pc=0xa557ae
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc000185008, 0xc011135c70, 0xc002867490, 0x0, 0xc0028674b0)
	pkg/sentry/kernel/thread_group.go:308 +0x370 fp=0xc00370d5d8 sp=0xc00370d598 pc=0xa7bd50
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc011a2f208, 0xc00370d978)
	pkg/sentry/kernel/task_clone.go:238 +0x13e5 fp=0xc00370d968 sp=0xc00370d5d8 pc=0xa5ab65
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x0?, 0xc011a2f208?, 0x55f2354b8fa8?, 0x0?, 0x0?, 0x0?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0xbd fp=0xc00370da38 sp=0xc00370d968 pc=0xc2ecfd
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc011a2f208?, 0x10?, {{0x24040000}, {0x200005a0}, {0x200005c0}, {0x20000600}, {0x20000640}, {0x20000640}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x2c fp=0xc00370da78 sp=0xc00370da38 pc=0xbe7c6c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc011a2f208, 0x38, {{0x24040000}, {0x200005a0}, {0x200005c0}, {0x20000600}, {0x20000640}, {0x20000640}})
	pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc00370dca8 sp=0xc00370da78 pc=0xa77857
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc011a2f208, 0x38, {{0x24040000}, {0x200005a0}, {0x200005c0}, {0x20000600}, {0x20000640}, {0x20000640}})
	pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc00370dd00 sp=0xc00370dca8 pc=0xa789c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc011a2f208, 0x38, {{0x24040000}, {0x200005a0}, {0x200005c0}, {0x20000600}, {0x20000640}, {0x20000640}})
	pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc00370dd50 sp=0xc00370dd00 pc=0xa786c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00b2e5e40?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc00370de28 sp=0xc00370dd50 pc=0xa78445
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc011186120?, 0xc011a2f208)
	pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc00370df30 sp=0xc00370de28 pc=0xa6dd57
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc011a2f208, 0x7e5e)
	pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc00370dfc0 sp=0xc00370df30 pc=0xa6c7b4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc00370dfe0 sp=0xc00370dfc0 pc=0xa76265
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00370dfe8 sp=0xc00370dfe0 pc=0x47d0c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 457561
	pkg/sentry/kernel/task_start.go:400 +0xc5