panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xae6b75] goroutine 513388 gp=0xc000e56700 m=28 mp=0xc000874808 [running]: panic({0x1294940?, 0x22f73f0?}) GOROOT/src/runtime/panic.go:802 +0x168 fp=0xc000c3bdd0 sp=0xc000c3bd20 pc=0x47fec8 runtime.panicmem(...) GOROOT/src/runtime/panic.go:262 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:925 +0x359 fp=0xc000c3be30 sp=0xc000c3bdd0 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(0xc0013f7200?, 0xc0022af908) pkg/sentry/kernel/task_exit.go:300 +0x395 fp=0xc000c3bf30 sp=0xc000c3be30 pc=0xae6b75 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0022af908, 0x3261) pkg/sentry/kernel/task_run.go:89 +0x202 fp=0xc000c3bfc0 sp=0xc000c3bf30 pc=0xaf09e2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:416 +0x25 fp=0xc000c3bfe0 sp=0xc000c3bfc0 pc=0xafa285 runtime.goexit({}) src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000c3bfe8 sp=0xc000c3bfe0 pc=0x489161 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 513468 pkg/sentry/kernel/task_start.go:416 +0xc5