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

goroutine 419 gp=0xc0006356c0 m=12 mp=0xc0006e8008 [running]:
panic({0x1294940?, 0x22f73f0?})
	GOROOT/src/runtime/panic.go:802 +0x168 fp=0xc0009addd0 sp=0xc0009add20 pc=0x47fec8
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:262
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:925 +0x359 fp=0xc0009ade30 sp=0xc0009addd0 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(0xc000b45290?, 0xc000552588)
	pkg/sentry/kernel/task_exit.go:300 +0x395 fp=0xc0009adf30 sp=0xc0009ade30 pc=0xae6b75
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000552588, 0x45)
	pkg/sentry/kernel/task_run.go:89 +0x202 fp=0xc0009adfc0 sp=0xc0009adf30 pc=0xaf09e2
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:416 +0x25 fp=0xc0009adfe0 sp=0xc0009adfc0 pc=0xafa285
runtime.goexit({})
	src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0009adfe8 sp=0xc0009adfe0 pc=0x489161
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 457
	pkg/sentry/kernel/task_start.go:416 +0xc5