panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xa713ae]

goroutine 467215 gp=0xc000789180 m=42 mp=0xc002600008 [running]:
panic({0x11935e0?, 0x2074ac0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0065213a8 sp=0xc0065212f8 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=0xc006521408 sp=0xc0065213a8 pc=0x476719
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).SendGroupSignal(0x0, 0xc003d3f780)
	pkg/sentry/kernel/task_signals.go:385 +0x2e fp=0xc006521468 sp=0xc006521408 pc=0xa713ae
gvisor.dev/gvisor/pkg/sentry/kernel.(*rlimitCPUSoftListener).NotifyTimer(0x70?, 0xc006150370?)
	pkg/sentry/kernel/task_acct.go:151 +0x45 fp=0xc006521490 sp=0xc006521468 pc=0xa55945
gvisor.dev/gvisor/pkg/sentry/ktime.(*SyntheticTimer).Set(0xc006150370, {0x0?, {0x1?}, 0x0?}, 0x0)
	pkg/sentry/ktime/synthetic_timer.go:139 +0x204 fp=0xc006521530 sp=0xc006521490 pc=0x812744
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).notifyRlimitCPUUpdated(0xc00614fc08, 0x0)
	pkg/sentry/kernel/task_acct.go:103 +0x10e fp=0xc006521598 sp=0xc006521530 pc=0xa5566e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).NewThreadGroup(0xc000261008, 0xc008b9eb60, 0xc007e06530, 0x0, 0xc007e06550)
	pkg/sentry/kernel/thread_group.go:308 +0x370 fp=0xc0065215d8 sp=0xc006521598 pc=0xa7bc10
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc00b0fcc88, 0xc006521978)
	pkg/sentry/kernel/task_clone.go:238 +0x13e5 fp=0xc006521968 sp=0xc0065215d8 pc=0xa5aa25
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x300000002?, 0xc006521ab0?, 0x474a0e?, 0xc000789180?, 0x200000003?, 0x0?)
	pkg/sentry/syscalls/linux/sys_thread.go:215 +0xbd fp=0xc006521a38 sp=0xc006521968 pc=0xc2ebbd
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc006521b10?, 0xc006521b10?, {{0x0}, {0x200007d0}, {0x20000800}, {0x20000840}, {0x20000880}, {0x20000880}})
	pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x2c fp=0xc006521a78 sp=0xc006521a38 pc=0xbe7b2c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00b0fcc88, 0x38, {{0x0}, {0x200007d0}, {0x20000800}, {0x20000840}, {0x20000880}, {0x20000880}})
	pkg/sentry/kernel/task_syscall.go:143 +0x657 fp=0xc006521ca8 sp=0xc006521a78 pc=0xa77717
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00b0fcc88, 0x38, {{0x0}, {0x200007d0}, {0x20000800}, {0x20000840}, {0x20000880}, {0x20000880}})
	pkg/sentry/kernel/task_syscall.go:323 +0x45 fp=0xc006521d00 sp=0xc006521ca8 pc=0xa78885
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00b0fcc88, 0x38, {{0x0}, {0x200007d0}, {0x20000800}, {0x20000840}, {0x20000880}, {0x20000880}})
	pkg/sentry/kernel/task_syscall.go:283 +0x65 fp=0xc006521d50 sp=0xc006521d00 pc=0xa78585
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc006379520?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0xc006521e28 sp=0xc006521d50 pc=0xa78305
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc008eecab0?, 0xc00b0fcc88)
	pkg/sentry/kernel/task_run.go:269 +0xf17 fp=0xc006521f30 sp=0xc006521e28 pc=0xa6dc17
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00b0fcc88, 0x8011)
	pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc006521fc0 sp=0xc006521f30 pc=0xa6c674
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:400 +0x25 fp=0xc006521fe0 sp=0xc006521fc0 pc=0xa76125
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc006521fe8 sp=0xc006521fe0 pc=0x47d0c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 467180
	pkg/sentry/kernel/task_start.go:400 +0xc5