panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0x10363a1]

goroutine 643645 [running]:
panic(0x1273ba0, 0x2021460)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00a40f9d0 sp=0xc00a40f908 pc=0x437c65
runtime.panicmem()
	GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc00a40f9f0 sp=0xc00a40f9d0 pc=0x435cbb
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc00a40fa28 sp=0xc00a40f9f0 pc=0x44fa93
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc00c7b30e0, 0xc00af7c000, 0xc00e480d80, 0x0, 0x0, 0x0)
	pkg/sentry/fsimpl/fuse/connection.go:306 +0xa1 fp=0xc00a40faa0 sp=0xc00a40fa28 pc=0x10363a1
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc00c7b30e0, 0xc00af7c000, 0xc00e480d80, 0x1, 0x1d, 0x1603838)
	pkg/sentry/fsimpl/fuse/connection.go:278 +0x97 fp=0xc00a40fae0 sp=0xc00a40faa0 pc=0x1036177
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).CallAsync(...)
	pkg/sentry/fsimpl/fuse/connection.go:232
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fileDescription).Release(0xc00f77f280, 0x1607338, 0xc00af7c000)
	pkg/sentry/fsimpl/fuse/file.go:102 +0x32d fp=0xc00a40fb58 sp=0xc00a40fae0 pc=0x103a26d
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1()
	pkg/sentry/vfs/file_description.go:207 +0x2db fp=0xc00a40fc30 sp=0xc00a40fb58 pc=0x7b27db
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc00f77f280, 0xc00a40fcb8)
	bazel-out/k8-fastbuild-ST-4c64f0b3d5c7/bin/pkg/sentry/vfs/file_description_refs.go:152 +0x82 fp=0xc00a40fca8 sp=0xc00a40fc30 pc=0x78dc02
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc00f77f280, 0x1607338, 0xc00af7c000)
	pkg/sentry/vfs/file_description.go:167 +0x73 fp=0xc00a40fce8 sp=0xc00a40fca8 pc=0x786eb3
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).dropVFS2(0xc010bc5f00, 0x1607338, 0xc00af7c000, 0xc00f77f280)
	pkg/sentry/kernel/fd_table.go:196 +0x88 fp=0xc00a40fd50 sp=0xc00a40fce8 pc=0xa38148
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).RemoveIf(0xc010bc5f00, 0x1607338, 0xc00af7c000, 0x148ff38)
	pkg/sentry/kernel/fd_table.go:845 +0x225 fp=0xc00a40fe08 sp=0xc00a40fd50 pc=0xa3aec5
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).DecRef.func1()
	pkg/sentry/kernel/fd_table.go:214 +0x52 fp=0xc00a40fe38 sp=0xc00a40fe08 pc=0xaa3f92
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTableRefs).DecRef(0xc010bc5f00, 0xc00a40fec0)
	bazel-out/k8-fastbuild-ST-4c64f0b3d5c7/bin/pkg/sentry/kernel/fd_table_refs.go:152 +0x82 fp=0xc00a40feb0 sp=0xc00a40fe38 pc=0xa3b5c2
gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).DecRef(0xc010bc5f00, 0x1607338, 0xc00af7c000)
	pkg/sentry/kernel/fd_table.go:212 +0x73 fp=0xc00a40fef0 sp=0xc00a40feb0 pc=0xa38433
gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0x0, 0xc00af7c000, 0x15d9980, 0x0)
	pkg/sentry/kernel/task_exit.go:279 +0x217 fp=0xc00a40ff68 sp=0xc00a40fef0 pc=0xa6bc57
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00af7c000, 0x635a)
	pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc00a40ffd0 sp=0xc00a40ff68 pc=0xa76c79
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00a40ffd8 sp=0xc00a40ffd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:398 +0x116