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xserver/dix
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Alan Coopersmith 7f1050de78 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>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2111>
(cherry picked from commit ac42c39145)
2026-01-25 10:40:03 -08:00
..
.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
BuiltInAtoms Strip trailing whitespace from source files 2026-01-25 10:40:02 -08:00
closestr.h dix: move closestr.h into dix directory 2026-01-19 12:48:30 -08:00
colormap.c dix: FindBestPixel: fix implicit fallthrough warning 2026-01-25 10:39:57 -08:00
cursor.c dix: fix a misused const pointer in cursor.c 2026-01-25 10:39:56 -08:00
devices.c dix: Dequeue pending events on frozen device on removal 2026-01-25 10:40:01 -08:00
dispatch.c os: Do not overflow the integer size with BigRequest 2026-01-25 10:40:01 -08:00
dispatch.h Drop trailing whitespaces 2014-11-12 10:25:00 +10:00
dixfonts.c dix: avoid null ptr deref at doListFontsWithInfo 2026-01-25 10:40:02 -08:00
dixutils.c treewide: replace xnfrealloc() calls to XNFrealloc() 2026-01-25 10:39:55 -08:00
enterleave.c dix: handle allocation failure in DeviceFocusEvent() 2026-01-25 10:40:03 -08:00
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 2026-01-25 10:39:58 -08:00
events.c dix: Fix builds with meson -Dxace=false -Dwerror=true 2026-01-25 10:40:02 -08:00
extension.c Move sizeof to second argument in calloc calls 2026-01-25 10:39:55 -08:00
gc.c dix: set errorValue correctly when XID lookup fails in ChangeGCXIDs() 2026-01-25 10:40:03 -08:00
gestures.c dix: avoid null dereference if wOtherInputMasks() returns NULL 2026-01-25 10:40:03 -08:00
getevents.c dix: fix wheel emulation lockup when a negative increment is set 2023-02-20 15:11:23 +10:00
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 dix: CreateGrab() rename "type" parameter to "eventType" 2026-01-25 10:39:57 -08:00
initatoms.c Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
inpututils.c xace: typesafe hook function for XACE_DEVICE_ACCESS 2026-01-25 10:39:54 -08:00
main.c dix: keep a ref to the rootCursor 2026-01-25 10:40:00 -08:00
meson.build dix: Implement internal gesture state handling 2021-05-30 13:26:39 +03:00
pixmap.c treewide: fix indentions got broke by recent commit 2026-01-25 10:39:56 -08:00
privates.c Move sizeof to second argument in calloc calls 2026-01-25 10:39:55 -08:00
property.c dix: avoid memory leak in ProcListProperties() 2026-01-25 10:40:03 -08:00
protocol.txt drop remains of DMX 2026-01-19 12:32:20 -08:00
ptrveloc.c dix: InitPredictableAccelerationScheme: avoid memory leak on failure 2026-01-25 10:39:57 -08:00
region.c replace _X_INLINE by inline in internal static functions 2024-02-05 19:26:14 +00:00
registry.c rename remaining RT_* defines to X11_RESTYPE_* 2026-01-19 12:48:30 -08:00
resource.c dix: HashResourceID: use unsigned integers for bit shifting 2026-01-25 10:39:57 -08:00
selection.c dix: create empty selection objects as-needed in dixLookupSelection() 2026-01-25 10:39:55 -08:00
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 2026-01-25 10:40:03 -08:00
swapreq.c dix: drop swapping request length fields 2026-01-25 10:39:59 -08:00
tables.c dix: drop swapping request length fields 2026-01-25 10:39:59 -08:00
touch.c dix: avoid null dereference if wOtherInputMasks() returns NULL 2026-01-25 10:40:03 -08:00
window.c dix: handle allocation failure in ChangeWindowDeviceCursor() 2026-01-25 10:40:03 -08:00