diff options
Diffstat (limited to 'external/zlib/ubsan.patch')
| -rw-r--r-- | external/zlib/ubsan.patch | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/external/zlib/ubsan.patch b/external/zlib/ubsan.patch new file mode 100644 index 000000000..2d7ff8d67 --- /dev/null +++ b/external/zlib/ubsan.patch @@ -0,0 +1,11 @@ +--- trees.c ++++ trees.c +@@ -870,7 +870,7 @@ + bi_windup(s); /* align on byte boundary */ + put_short(s, (ush)stored_len); + put_short(s, (ush)~stored_len); +- zmemcpy(s->pending_buf + s->pending, (Bytef *)buf, stored_len); ++ if (stored_len != 0) zmemcpy(s->pending_buf + s->pending, (Bytef *)buf, stored_len); + s->pending += stored_len; + #ifdef ZLIB_DEBUG + s->compressed_len = (s->compressed_len + 3 + 7) & (ulg)~7L; |