panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xae6b75]

goroutine 523 gp=0xc000283880 m=21 mp=0xc000599808 [running]:
panic({0x1294940?, 0x22f73f0?})
	GOROOT/src/runtime/panic.go:802 +0x168 fp=0xc000841dd0 sp=0xc000841d20 pc=0x47fec8
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:262
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:925 +0x359 fp=0xc000841e30 sp=0xc000841dd0 pc=0x482a79
gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).DecRef(...)
	pkg/sentry/kernel/fs_context.go:88
gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0xc000ac8120?, 0xc0009da588)
	pkg/sentry/kernel/task_exit.go:300 +0x395 fp=0xc000841f30 sp=0xc000841e30 pc=0xae6b75
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0009da588, 0x45)
	pkg/sentry/kernel/task_run.go:89 +0x202 fp=0xc000841fc0 sp=0xc000841f30 pc=0xaf09e2
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:416 +0x25 fp=0xc000841fe0 sp=0xc000841fc0 pc=0xafa285
runtime.goexit({})
	src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000841fe8 sp=0xc000841fe0 pc=0x489161
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 499
	pkg/sentry/kernel/task_start.go:416 +0xc5