panic: Incrementing non-positive ref count

goroutine 2491334 [running]:
gvisor.dev/gvisor/pkg/refs.(*AtomicRefCount).IncRef(...)
	pkg/refs/refcounter.go:370
gvisor.dev/gvisor/pkg/sentry/fs.(*Dirent).IncRef(0xc000273970)
	pkg/sentry/fs/dirent.go:1309 +0xf7
gvisor.dev/gvisor/pkg/sentry/fs.(*Mount).Root(...)
	pkg/sentry/fs/mounts.go:106
gvisor.dev/gvisor/pkg/sentry/fs/proc.forEachMount(0xc001431500, 0xc000cf7010)
	pkg/sentry/fs/proc/mounts.go:59 +0x2bd
gvisor.dev/gvisor/pkg/sentry/fs/proc.(*mountInfoFile).ReadSeqFileData(0xc00013ed08, 0x13d18c0, 0xc0013c9500, 0x0, 0x0, 0x8ae292, 0x8ae906, 0xc000b41a28, 0x15ad62e640000000)
	pkg/sentry/fs/proc/mounts.go:90 +0xd1
gvisor.dev/gvisor/pkg/sentry/fs/proc/seqfile.(*SeqFile).updateSourceLocked(0xc000b41a00, 0x13d18c0, 0xc0013c9500, 0x0)
	pkg/sentry/fs/proc/seqfile/seqfile.go:180 +0x136
gvisor.dev/gvisor/pkg/sentry/fs/proc/seqfile.(*seqFileOperations).Read(0xc00013ed28, 0x13d18c0, 0xc0013c9500, 0xc0015f1c30, 0x13cf600, 0xc00157b000, 0xc000c2e9c0, 0x3, 0x0, 0x22f, ...)
	pkg/sentry/fs/proc/seqfile/seqfile.go:229 +0xedc
DIAGNOSIS:
retrieving stacks: getting sandbox "ci-gvisor-ptrace-proxy-sandbox-race-3" stacks: urpc method "debug.Stacks" failed: connection reset by peer