fdo-mirrors/xserver
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/xorg/xserver.git synced 2026-01-04 02:50:14 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

XQuartz: Validate screen in AppleDRIQueryDirectRenderingCapable requests

Browse source 
Return an error to the caller rather than crashing the server on
invalid screens.

Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
(cherry picked from commit b3572c0d1a)
This commit is contained in:
Jeremy Huddleston Sequoia 2014-01-01 10:39:56 -08:00
parent 448dd77224
commit 2599b3a42b
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
hw/xquartz/xpr/appledri.c
View file

@ -123,6 +123,10 @@ ProcAppleDRIQueryDirectRenderingCapable(register ClientPtr client)
rep.length = 0;
rep.sequenceNumber = client->sequence;
if (stuff->screen >= screenInfo.numScreens) {
return BadValue;
}
if (!DRIQueryDirectRenderingCapable(screenInfo.screens[stuff->screen],
&isCapable)) {
return BadValue;