xwayland/U_xkb-Fix-buffer-overflow-in-_XkbSetCompatMap.patch

26 lines
1.0 KiB
Diff

@@ -, +, @@
---
xkb/xkb.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/xkb/xkb.c
+++ a/xkb/xkb.c
@@ -2991,13 +2991,13 @@ _XkbSetCompatMap(ClientPtr client, DeviceIntPtr dev,
XkbSymInterpretPtr sym;
unsigned int skipped = 0;
- if ((unsigned) (req->firstSI + req->nSI) > compat->num_si) {
- compat->num_si = req->firstSI + req->nSI;
+ if ((unsigned) (req->firstSI + req->nSI) > compat->size_si) {
+ compat->num_si = compat->size_si = req->firstSI + req->nSI;
compat->sym_interpret = reallocarray(compat->sym_interpret,
- compat->num_si,
+ compat->size_si,
sizeof(XkbSymInterpretRec));
if (!compat->sym_interpret) {
- compat->num_si = 0;
+ compat->num_si = compat->size_si = 0;
return BadAlloc;
}
}
--