c/libxml2
1
0
Fork 0
mirror of https://gitlab.gnome.org/GNOME/libxml2 synced 2025-03-28 21:33:13 +00:00
Code Issues Packages Projects Releases Wiki Activity

malloc-fail: Fix null deref in xmlBufResize

Browse Source 
Found with libFuzzer, see #344.
This commit is contained in:
Nick Wellnhofer 2023-01-22 13:20:15 +01:00
parent b3b53dcce4
commit 1aabc9db40
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
buf.c
View File

@ -735,7 +735,8 @@ xmlBufResize(xmlBufPtr buf, size_t size)
if (buf->content == NULL) {
rebuf = (xmlChar *) xmlMallocAtomic(newSize);
buf->use = 0;
rebuf[buf->use] = 0;
if (rebuf != NULL)
rebuf[buf->use] = 0;
} else if (buf->size - buf->use < 100) {
rebuf = (xmlChar *) xmlRealloc(buf->content, newSize);
} else {