diff options
| -rw-r--r-- | nx-X11/lib/font/fc/fserve.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/nx-X11/lib/font/fc/fserve.c b/nx-X11/lib/font/fc/fserve.c index 2a6f6c97b..639964c55 100644 --- a/nx-X11/lib/font/fc/fserve.c +++ b/nx-X11/lib/font/fc/fserve.c @@ -73,6 +73,7 @@ in this Software without prior written authorization from The Open Group. #include "fservestr.h" #include <X11/fonts/fontutil.h> #include <errno.h> +#include <limits.h> #include <time.h> #define Time_t time_t @@ -1060,7 +1061,16 @@ fs_read_extent_info(FontPathElementPtr fpe, FSBlockDataPtr blockrec) numInfos *= 2; haveInk = TRUE; } - ci = pCI = (CharInfoPtr) xalloc(sizeof(CharInfoRec) * numInfos); + if (numInfos >= (INT_MAX / sizeof(CharInfoRec))) { +#ifdef DEBUG + fprintf(stderr, + "fsQueryXExtents16: numInfos (%d) >= %ld\n", + numInfos, (INT_MAX / sizeof(CharInfoRec))); +#endif + pCI = NULL; + } + else + pCI = malloc(sizeof(CharInfoRec) * numInfos); if (!pCI) { |