Mercurial > hg-stable
diff mercurial/bdiff.c @ 35723:50868145a8de
bdiff: handle the possibility of overflow when computing allocation size
Differential Revision: https://phab.mercurial-scm.org/D1904
| author | Alex Gaynor <agaynor@mozilla.com> |
|---|---|
| date | Thu, 18 Jan 2018 14:43:04 +0000 |
| parents | cf2e2a7399bc |
| children | 068e774ae29e |
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--- a/mercurial/bdiff.c Tue Jan 02 10:09:08 2018 -0700 +++ b/mercurial/bdiff.c Thu Jan 18 14:43:04 2018 +0000 @@ -95,7 +95,7 @@ /* try to allocate a large hash table to avoid collisions */ for (scale = 4; scale; scale /= 2) { - h = (struct pos *)malloc(scale * buckets * sizeof(struct pos)); + h = (struct pos *)calloc(buckets, scale * sizeof(struct pos)); if (h) break; }