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xserver/dix
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Alan Coopersmith c001e1330a 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)
(cherry picked from commit 7f1050de78)

Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2151>
2026-04-09 08:59:09 +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
callback_priv.h dix: unexport callback manager init / teardown functions 2024-03-12 15:18:17 +00:00
colormap.c dix: FindBestPixel: fix implicit fallthrough warning 2024-09-24 10:51:08 +02:00
cursor.c dix: drop now obsolete cursorScreenDevPriv 2024-03-12 15:24:35 +00:00
devices.c dix: Dequeue pending events on frozen device on removal 2025-02-25 19:38:11 +01:00
dispatch.c os: Do not overflow the integer size with BigRequest 2025-06-17 15:07:43 +02:00
dispatch.h Drop trailing whitespaces 2014-11-12 10:25:00 +10:00
dix_priv.h dix: unexport CloseDownClient() 2024-03-13 00:47:36 +00:00
dixfonts.c dix: avoid null ptr deref at doListFontsWithInfo 2025-10-21 08:56:39 +02:00
dixutils.c dix: unexport callback manager init / teardown functions 2024-03-12 15:18:17 +00:00
enterleave.c dix: handle allocation failure in DeviceFocusEvent() 2025-10-21 08:57:52 +02:00
enterleave.h mi: reset the PointerWindows reference on screen switch 2023-10-25 00:37:47 +00:00
eventconvert.c dix: limit checks to MAX_VALUATORS when generating Xi events 2025-02-04 09:18:51 +01:00
eventconvert.h dix: unexport eventconvert.h functions 2024-03-11 12:26:44 +01:00
events.c dix: Fix builds with meson -Dxace=false -Dwerror=true 2026-04-09 08:59:08 +00:00
extension.c Move sizeof to second argument in calloc calls 2024-08-06 10:00:59 +02:00
gc.c dix: set errorValue correctly when XID lookup fails in ChangeGCXIDs() 2026-04-09 08:59:09 +00:00
gestures.c dix: avoid null dereference if wOtherInputMasks() returns NULL 2025-10-21 08:57:52 +02:00
getevents.c Revert "include: move BUG_*() macros to separate header" 2024-02-23 23:11:01 +00:00
globals.c dix: unexport global variables 2024-03-09 17:23:43 +00:00
glyphcurs.c Let calloc handle multiplication 2015-04-21 16:57:07 -07:00
grabs.c dix: unexport CloseDownClient() 2024-03-13 00:47:36 +00:00
initatoms.c Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
inpututils.c Revert "include: move BUG_*() macros to separate header" 2024-02-23 23:11:01 +00:00
main.c dix: keep a ref to the rootCursor 2025-02-25 19:38:11 +01:00
meson.build dix: Implement internal gesture state handling 2021-05-30 13:26:39 +03:00
pixmap.c dix: Remove pScratchPixmap and other associated ABI changes 2022-12-30 01:32:25 +00:00
privates.c Move sizeof to second argument in calloc calls 2024-08-06 10:00:59 +02:00
property.c dix: avoid memory leak in ProcListProperties() 2025-10-21 08:57:52 +02:00
protocol.txt drop remains of DMX 2024-03-05 16:57:52 +01:00
ptrveloc.c dix: InitPredictableAccelerationScheme: avoid memory leak on failure 2024-09-24 10:50:50 +02:00
ptrveloc_priv.h dix: unexport InitTrackers() 2024-03-09 18:01:52 +00:00
region.c replace _X_INLINE by inline in internal static functions 2024-02-05 19:26:14 +00:00
registry.c include: drop obsolete registry.h 2024-03-03 23:20:06 +00:00
registry_priv.h dix: unexport XREGISTRY_UNKNOWN define 2024-03-03 23:20:06 +00:00
resource.c dix: HashResourceID: use unsigned integers for bit shifting 2024-09-24 10:51:00 +02:00
screenint_priv.h dix: unexport AttachOffloadGPU() and DetachOffloadGPU() 2024-03-03 23:24:29 +00:00
selection.c replace _X_INLINE by inline in internal static functions 2024-02-05 19:26:14 +00:00
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 08:57:52 +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 08:57:52 +02:00
window.c dix: handle allocation failure in ChangeWindowDeviceCursor() 2025-10-21 08:57:52 +02:00