Merge branch 'es/unpack-trees-oob-fix' into maint
The code that tries to skip over the entries for the paths in a
single directory using the cache-tree was not careful enough
against corrupt index file.
* es/unpack-trees-oob-fix:
unpack-trees: watch for out-of-range index position
diff --git a/unpack-trees.c b/unpack-trees.c
index 2399b68..2f4e2e4 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -694,9 +694,11 @@
if (pos >= 0)
BUG("This is a directory and should not exist in index");
pos = -pos - 1;
- if (!starts_with(o->src_index->cache[pos]->name, name.buf) ||
+ if (pos >= o->src_index->cache_nr ||
+ !starts_with(o->src_index->cache[pos]->name, name.buf) ||
(pos > 0 && starts_with(o->src_index->cache[pos-1]->name, name.buf)))
- BUG("pos must point at the first entry in this directory");
+ BUG("pos %d doesn't point to the first entry of %s in index",
+ pos, name.buf);
strbuf_release(&name);
return pos;
}
