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xserver/dix
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Alan Coopersmith c014619640 dix: set errorValue correctly when XID lookup fails in ChangeGCXIDs() 
dixLookupResourceByType always overwrites the pointer passed in as the
first arg, so we shouldn't use the union it's in after that to get the
requested XID value to put in the errorValue.

Closes: #1857
Fixes: 2d7eb4a19 ("Pre-validate ChangeGC XIDs.")
Reported-by: Mouse <mouse@Rodents-Montreal.ORG>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
(cherry picked from commit ac42c39145)

Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2146>
2026-03-28 16:39:59 +00:00
..
.gitignore Fix spelling/wording issues 2020-07-05 13:07:33 -07:00
atom.c atom: make FreeAtom static 2015-07-08 16:41:29 -04:00
buildatoms XFree86 4.3.0.1 2003-11-14 16:49:22 +00:00
BuiltInAtoms R6.6 is the Xorg base-line 2003-11-14 15:54:54 +00:00
colormap.c dix: FindBestPixel: fix implicit fallthrough warning 2024-10-11 00:18:05 +00:00
cursor.c dix: Remove -fn and -fc options to set default text/cursor fonts 2019-10-30 16:17:04 +00:00
devices.c dix: Hold input lock for AttachDevice() 2025-03-29 09:14:18 -07:00
dispatch.c os: Do not overflow the integer size with BigRequest 2025-06-17 15:05:52 +02:00
dispatch.h Drop trailing whitespaces 2014-11-12 10:25:00 +10:00
dixfonts.c dix: avoid null ptr deref at doListFontsWithInfo 2025-10-08 17:54:33 +02:00
dixutils.c os: Don't crash in AttendClient if the client is gone 2019-11-19 10:15:05 -08:00
enterleave.c dix: handle allocation failure in DeviceFocusEvent() 2025-10-21 09:00:47 +02:00
enterleave.h mi: reset the PointerWindows reference on screen switch 2023-10-25 10:51:18 +10:00
eventconvert.c dix: limit checks to MAX_VALUATORS when generating Xi events 2025-02-05 15:02:23 +01:00
events.c dix: pick the right keyboard for focus FollowKeyboard 2025-04-08 10:16:56 +02:00
extension.c dix: Allow an extension to disable itself 2018-04-24 14:36:04 -04:00
gc.c dix: set errorValue correctly when XID lookup fails in ChangeGCXIDs() 2026-03-28 16:39:59 +00:00
gestures.c dix: avoid null dereference if wOtherInputMasks() returns NULL 2025-10-21 09:00:47 +02:00
getevents.c touchevents: set the screen pointer after checking the device is enabled 2021-09-07 16:58:10 +02:00
globals.c include: Remove now-empty site.h 2019-10-30 16:17:04 +00:00
glyphcurs.c Let calloc handle multiplication 2015-04-21 16:57:07 -07:00
grabs.c xi: Implement grab support for new gesture event types 2021-05-30 13:26:32 +03:00
initatoms.c Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
inpututils.c Implement gesture processing logic 2021-05-30 13:26:42 +03:00
main.c dix: keep a ref to the rootCursor 2025-02-25 19:36:29 +01:00
Makefile.am dix: Implement internal gesture state handling 2021-05-30 13:26:39 +03:00
meson.build dix: Implement internal gesture state handling 2021-05-30 13:26:39 +03:00
pixmap.c fix for ZDI-11426 2020-07-31 14:51:23 +00:00
privates.c dix/privates.c: Avoid undefined behaviour after realloc() 2021-10-08 21:38:01 +03:00
property.c dix: avoid memory leak in ProcListProperties() 2025-10-21 09:00:47 +02:00
protocol.txt protocol.txt: add GLX req. 35 - SetClientInfo2ARB 2018-02-27 13:08:35 -05:00
ptrveloc.c dix: InitPredictableAccelerationScheme: avoid memory leak on failure 2024-10-11 00:18:05 +00:00
region.c Fix spelling/wording issues 2020-07-05 13:07:33 -07:00
registry.c Build required portions of registry.c automatically [v2] 2014-09-18 15:29:29 -07:00
resource.c dix: HashResourceID: use unsigned integers for bit shifting 2024-10-11 00:18:05 +00:00
selection.c dix: Push UpdateCurrentTimeIf down out of the main loop 2016-05-04 10:58:01 -04:00
stubmain.c Allow DDX to provide a main() 2013-07-23 23:56:58 +01:00
swaprep.c dix: assert that size of buffers to swap is a multiple of the swap size 2025-10-21 09:00:47 +02:00
swapreq.c dix: Disallow GenericEvent in SendEvent request. 2017-06-19 11:58:50 +10:00
tables.c Drop trailing whitespaces 2014-11-12 10:25:00 +10:00
touch.c dix: avoid null dereference if wOtherInputMasks() returns NULL 2025-10-21 09:00:47 +02:00
window.c dix: handle allocation failure in ChangeWindowDeviceCursor() 2025-10-21 09:00:47 +02:00