panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0xf2a397]

goroutine 738724 [running]:
panic(0x115bb00, 0x1d2d3c0)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc088235750 sp=0xc088235688 pc=0x437c65
runtime.panicmem()
	GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc088235770 sp=0xc088235750 pc=0x435cbb
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc0882357a8 sp=0xc088235770 pc=0x44fa93
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc0925fe360, 0xc0154a5500, 0xc000cffb60, 0x0, 0x0, 0x0)
	pkg/sentry/fsimpl/fuse/connection.go:287 +0x97 fp=0xc088235820 sp=0xc0882357a8 pc=0xf2a397
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc0925fe360, 0xc0154a5500, 0xc000cffb60, 0x1, 0xc00000001d, 0x14bca38)
	pkg/sentry/fsimpl/fuse/connection.go:262 +0x65 fp=0xc088235860 sp=0xc088235820 pc=0xf2a1a5
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).CallAsync(...)
	pkg/sentry/fsimpl/fuse/connection.go:224
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fileDescription).Release(0xc0add6f080, 0x14c0738, 0xc0154a5500)
	pkg/sentry/fsimpl/fuse/file.go:89 +0x26b fp=0xc0882358d8 sp=0xc088235860 pc=0xf2d94b
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1()
	pkg/sentry/vfs/file_description.go:192 +0x231 fp=0xc0882359b8 sp=0xc0882358d8 pc=0x77aab1
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc0add6f080, 0xc088235a40)
	bazel-out/k8-fastbuild-ST-3ea255117c10/bin/pkg/sentry/vfs/file_description_refs.go:131 +0x5a fp=0xc088235a30 sp=0xc0882359b8 pc=0x75b3da
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc0add6f080, 0x14c0738, 0xc0154a5500)
	pkg/sentry/vfs/file_description.go:161 +0x69 fp=0xc088235a70 sp=0xc088235a30 pc=0x7551e9
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Close(0xc0154a5500, 0xe, 0x0, 0x1b2f720000, 0xf9ac77ac2601e8, 0x0, 0x416, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/fd.go:44 +0x1ba fp=0xc088235b10 sp=0xc088235a70 pc=0xe5f01a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0154a5500, 0x3, 0xe, 0x0, 0x1b2f720000, 0xf9ac77ac2601e8, 0x0, 0x416, 0x0, 0x1317be0, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc088235c70 sp=0xc088235b10 pc=0x9f169c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0154a5500, 0x3, 0xe, 0x0, 0x1b2f720000, 0xf9ac77ac2601e8, 0x0, 0x416, 0x0, 0x416)
	pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc088235cf8 sp=0xc088235c70 pc=0x9f2846
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0154a5500, 0x3, 0xe, 0x0, 0x1b2f720000, 0xf9ac77ac2601e8, 0x0, 0x416, 0x14d1948, 0xc01558b200)
	pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc088235d58 sp=0xc088235cf8 pc=0x9f2438
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0154a5500, 0x2, 0xc0154a5500)
	pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc088235e28 sp=0xc088235d58 pc=0x9f1ddc
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0154a5500, 0x1492920, 0x0)
	pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc088235f68 sp=0xc088235e28 pc=0x9e6b67
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0154a5500, 0x786f)
	pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc088235fd0 sp=0xc088235f68 pc=0x9e5aa2
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc088235fd8 sp=0xc088235fd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:342 +0xfe