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Diffstat (limited to 'xorg-server/xkb/xkb.c')
-rw-r--r--xorg-server/xkb/xkb.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/xorg-server/xkb/xkb.c b/xorg-server/xkb/xkb.c
index 86231a895..9c66955f4 100644
--- a/xorg-server/xkb/xkb.c
+++ b/xorg-server/xkb/xkb.c
@@ -2786,6 +2786,7 @@ _XkbSetCompatMap(ClientPtr client, DeviceIntPtr dev,
if (req->nSI>0) {
xkbSymInterpretWireDesc *wire = (xkbSymInterpretWireDesc *)data;
XkbSymInterpretPtr sym;
+ unsigned int skipped = 0;
if ((unsigned)(req->firstSI+req->nSI)>compat->num_si) {
compat->num_si= req->firstSI+req->nSI;
compat->sym_interpret= realloc(compat->sym_interpret,
@@ -2799,11 +2800,19 @@ _XkbSetCompatMap(ClientPtr client, DeviceIntPtr dev,
compat->num_si = req->firstSI+req->nSI;
}
sym = &compat->sym_interpret[req->firstSI];
- for (i=0;i<req->nSI;i++,wire++,sym++) {
+ for (i=0;i<req->nSI;i++,wire++) {
if (client->swapped) {
int n;
swapl(&wire->sym,n);
}
+ if (wire->sym == NoSymbol && wire->match == XkbSI_AnyOfOrNone &&
+ (wire->mods & 0xff) == 0xff &&
+ wire->act.type == XkbSA_XFree86Private) {
+ ErrorF("XKB: Skipping broken Any+AnyOfOrNone(All) -> Private "
+ "action from client\n");
+ skipped++;
+ continue;
+ }
sym->sym= wire->sym;
sym->mods= wire->mods;
sym->match= wire->match;
@@ -2811,6 +2820,14 @@ _XkbSetCompatMap(ClientPtr client, DeviceIntPtr dev,
sym->virtual_mod= wire->virtualMod;
memcpy((char *)&sym->act,(char *)&wire->act,
SIZEOF(xkbActionWireDesc));
+ sym++;
+ }
+ if (skipped) {
+ if (req->firstSI + req->nSI < compat->num_si)
+ memmove(sym, sym + skipped,
+ (compat->num_si - req->firstSI - req->nSI) *
+ sizeof(*sym));
+ compat->num_si -= skipped;
}
data = (char *)wire;
}