thodg/libgit2

2018-06-24T19:47:08

Verify ref_pkt's are long enough If the remote sends a too-short packet, we'll allow `len` to go negative and eventually issue a malloc for <= 0 bytes on ``` pkt->head.name = git__malloc(alloclen); ``` (cherry picked from commit 437ee5a70711ac2e027877d71ee4ae17e5ec3d6c)