diff options
| -rw-r--r-- | src/xkb/XKBGetMap.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/xkb/XKBGetMap.c b/src/xkb/XKBGetMap.c index 30fb6297..4a428d3a 100644 --- a/src/xkb/XKBGetMap.c +++ b/src/xkb/XKBGetMap.c @@ -151,9 +151,12 @@ XkbClientMapPtr map; map= xkb->map; if (map->key_sym_map==NULL) { register int offset; + int size = xkb->max_key_code + 1; XkbSymMapPtr oldMap; xkbSymMapWireDesc *newMap; - map->key_sym_map= _XkbTypedCalloc((xkb->max_key_code+1),XkbSymMapRec); + if (((unsigned short)rep->firstKeySym + rep->nKeySyms) > size) + return BadLength; + map->key_sym_map= _XkbTypedCalloc(size,XkbSymMapRec); if (map->key_sym_map==NULL) return BadAlloc; if (map->syms==NULL) { @@ -209,6 +212,8 @@ XkbClientMapPtr map; KeySym * newSyms; int tmp; + if (((unsigned short)rep->firstKeySym + rep->nKeySyms) > map->num_syms) + return BadLength; oldMap = &map->key_sym_map[rep->firstKeySym]; for (i=0;i<(int)rep->nKeySyms;i++,oldMap++) { newMap= (xkbSymMapWireDesc *) |