panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x40 pc=0x71e9ec]

goroutine 185217 [running]:
panic(0x10718c0, 0x1e03010)
	GOROOT/src/runtime/panic.go:1064 +0x46d fp=0xc009733ac0 sp=0xc009733a08 pc=0x43438d
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:212
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:695 +0x3da fp=0xc009733af0 sp=0xc009733ac0 pc=0x44b93a
gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).IncRef(...)
	pkg/sentry/vfs/mount.go:583
gvisor.dev/gvisor/pkg/sentry/vfs.VirtualDentry.IncRef(0x0, 0x0)
	pkg/sentry/vfs/vfs.go:1147 +0x3c fp=0xc009733b08 sp=0xc009733af0 pc=0x71e9ec
gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).RootDirectoryVFS2(0xc00222e190, 0x0, 0x0)
	pkg/sentry/kernel/fs_context.go:261 +0x88 fp=0xc009733b48 sp=0xc009733b08 pc=0x9303a8
gvisor.dev/gvisor/pkg/sentry/fsimpl/proc.(*mountInfoData).Generate(0xc00c62bb00, 0x1404920, 0xc00000f438, 0xc00b514908, 0x0, 0x0)
	pkg/sentry/fsimpl/proc/task_files.go:963 +0xc1 fp=0xc009733bd0 sp=0xc009733b48 pc=0xcb4201
gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).preadLocked(0xc00b5148f0, 0x1404920, 0xc00000f438, 0x13fc1e0, 0xc00ca27000, 0x0, 0x1, 0x0, 0x0, 0x0, ...)
	pkg/sentry/vfs/file_description_impl_util.go:322 +0xa2 fp=0xc009733c58 sp=0xc009733bd0 pc=0x7088c2
gvisor.dev/gvisor/pkg/sentry/vfs.(*DynamicBytesFileDescriptionImpl).PRead(0xc00b5148f0, 0x1404920, 0xc00000f438, 0x13fc1e0, 0xc00ca27000, 0x0, 0x1, 0x0, 0x0, 0x0, ...)
	pkg/sentry/vfs/file_description_impl_util.go:346 +0xd5 fp=0xc009733d00 sp=0xc009733c58 pc=0x708b95
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*DynamicBytesFD).PRead(0xc00b5148f0, 0x1404920, 0xc00000f438, 0x13fc1e0, 0xc00ca27000, 0x0, 0x1, 0x0, 0x0, 0x0, ...)
	pkg/sentry/fsimpl/kernfs/dynamic_bytes_file.go:127 +0xa4 fp=0xc009733d88 sp=0xc009733d00 pc=0x800b04
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).PRead(0xc00b514948, 0x1404920, 0xc00000f438, 0x13fc1e0, 0xc00ca27000, 0x0, 0x1, 0x0, 0x0, 0x0, ...)
	pkg/sentry/vfs/file_description.go:657 +0xd3 fp=0xc009733e10 sp=0xc009733d88 pc=0x706313
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.getAIOCallback.func1(0x1404920, 0xc00000f438)
	pkg/sentry/syscalls/linux/vfs2/aio.go:222 +0x307 fp=0xc009733f90 sp=0xc009733e10 pc=0xd82507
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).QueueAIO.func1(0xc00afc10a0, 0xc00c83a000, 0xc00024a58c)
	pkg/sentry/kernel/aio.go:37 +0x68 fp=0xc009733fc8 sp=0xc009733f90 pc=0x98d418
runtime.goexit()
	src/runtime/asm_amd64.s:1373 +0x1 fp=0xc009733fd0 sp=0xc009733fc8 pc=0x467da1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).QueueAIO
	pkg/sentry/kernel/aio.go:35 +0x9c