diff options
| -rw-r--r-- | src/fontfile/dirfile.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/fontfile/dirfile.c b/src/fontfile/dirfile.c index cb28333..38ced75 100644 --- a/src/fontfile/dirfile.c +++ b/src/fontfile/dirfile.c @@ -42,6 +42,7 @@ in this Software without prior written authorization from The Open Group. #include <sys/types.h> #include <sys/stat.h> #include <errno.h> +#include <limits.h> static Bool AddFileNameAliases ( FontDirectoryPtr dir ); static int ReadFontAlias ( char *directory, Bool isFile, @@ -376,6 +377,9 @@ lexAlias(FILE *file, char **lexToken) int nsize; char *nbuf; + if (tokenSize >= (INT_MAX >> 2)) + /* Stop before we overflow */ + return EALLOC; nsize = tokenSize ? (tokenSize << 1) : 64; nbuf = realloc(tokenBuf, nsize); if (!nbuf) |