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xserver/Xext
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Alan Coopersmith 08e17ec521 Xext/sync: Avoid dereference of invalid pointer if malloc() failed 
Reported incorrectly in #1817 as:

xwayland-24.1.6/redhat-linux-build/../Xext/sync.c:2835:33: acquire_memory: allocated here
xwayland-24.1.6/redhat-linux-build/../Xext/sync.c:2843:12: danger: ‘priv’ leaks here; was allocated at [(30)](sarif:/runs/0/results/5/codeFlows/0/threadFlows/0/locations/29)

but the "leak" is really saving the pointer in an uninitalized pointer in
a structure that was already freed when the malloc of the SysCounterInfo
struct failed in SyncCreateSystemCounter(), because it returned the address
of the freed struct instead of NULL to indicate failure.

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2072>
(cherry picked from commit 6034ce11b6)
2026-01-25 10:40:02 -08:00
..
bigreq.c Xext: bigreq: drop swapping request length fields 2026-01-25 10:39:59 -08:00
dpms.c Xext: dpms: need to include geext.h 2026-01-25 10:40:00 -08:00
dpmsproc.h dpms: Consolidate a bunch of stuff into Xext/dpms.c 2017-03-27 15:59:47 -04:00
geext.c Xext: geext: move struct _GEExtension into geext.c 2026-01-25 10:40:00 -08:00
geext.h Xext: geext.h: fix missing include of Xfuncproto.h 2026-01-25 10:40:00 -08:00
geint.h xge: Hide some implementation details 2015-07-08 16:40:58 -04:00
hashtable.c dix: Fix undefined shift in ht_generic_hash 2019-10-15 14:06:30 -04:00
hashtable.h Fix spelling/wording issues 2020-07-05 13:07:33 -07:00
meson.build Xace: dont install xace.h and xacestr.h anymore 2026-01-25 10:39:54 -08:00
panoramiX.c panoramix: avoid null dereference in PanoramiXConsolidate() 2026-01-25 10:40:02 -08:00
panoramiX.h Xext: drop _PANORAMIX_SERVER 2026-01-25 10:39:54 -08:00
panoramiXh.h Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
panoramiXprocs.c dix: unexport Ones() 2026-01-25 10:39:57 -08:00
panoramiXsrv.h Replace 'pointer' type with 'void *' 2014-01-12 10:24:11 -08:00
panoramiXSwap.c Xext: panoramiX: drop now obsolete swap procs 2026-01-25 10:39:59 -08:00
saver.c Xext: saver: consolidate (non-)xinerama versions 2026-01-25 10:39:59 -08:00
security.c Xext: security: drop swapping request length fields 2026-01-25 10:39:59 -08:00
securitysrv.h Xext: securitysrv.h: drop hacks for including secur.h 2026-01-25 10:39:54 -08:00
shape.c Xext: shape: drop now obsolete swap procs 2026-01-25 10:39:59 -08:00
shm.c Xext/shm: avoid null dereference in ShmInitScreenPriv() 2026-01-25 10:40:02 -08:00
shmint.h xext: Fix shmint.h to not use headers outside of sdk_HEADERS 2013-11-14 10:22:15 +09:00
sleepuntil.c prevent name clash on Windows w/ RT_* defines 2026-01-19 12:48:30 -08:00
sleepuntil.h Replace 'pointer' type with 'void *' 2014-01-12 10:24:11 -08:00
sync.c Xext/sync: Avoid dereference of invalid pointer if malloc() failed 2026-01-25 10:40:02 -08:00
syncsdk.h xsync: Add resource inside of SyncCreate, export SyncCreate 2019-04-17 14:01:17 -07:00
syncsrv.h sync: Convert from "CARD64" to int64_t. 2017-09-20 13:19:27 -04:00
vidmode.c Xext: vidmode: drop now obsolete swap procs 2026-01-25 10:39:59 -08:00
xace.c xace: typesafe hook function for XACE_KEY_AVAIL 2026-01-25 10:39:54 -08:00
xace.h Xace: provide definitions of new hook functions when xace is disabled 2026-01-25 10:40:02 -08:00
xacestr.h Replace 'pointer' type with 'void *' 2014-01-12 10:24:11 -08:00
xcmisc.c Xext: xcmisc: drop now obsolete swap procs 2026-01-25 10:39:59 -08:00
xf86bigfont.c xf86bigfont: fix -Werror=unused-variable build failure 2026-01-25 10:40:02 -08:00
xf86bigfontsrv.h Move extension initialisation prototypes into extinit.h 2012-07-09 23:06:41 -07:00
xres.c Xext: xres: drop swapping request length fields 2026-01-25 10:39:59 -08:00
xselinux.h include: unpexport SELINUX_* consts from include/global.h 2026-01-19 12:32:24 -08:00
xselinux_ext.c Xext: selinux: drop swapping request length fields 2026-01-25 10:39:59 -08:00
xselinux_hooks.c fix missing includes of <X11/Xfuncproto.h> 2026-01-25 10:39:55 -08:00
xselinux_label.c rename remaining RT_* defines to X11_RESTYPE_* 2026-01-19 12:48:30 -08:00
xselinuxint.h selinux: Stop using security_context_t 2021-08-17 16:02:39 -04:00
xtest.c Xext: xtest: drop now obsolete swap procs 2026-01-25 10:39:59 -08:00
xvdisp.c Xext: xv: drop now obsolete swap procs 2026-01-25 10:39:59 -08:00
xvdisp.h Fix swapped Xv dispatch under Xinerama. 2007-12-02 14:15:36 -05:00
xvdix.h xv: move XvVideoNotifyRec into xvmain.c 2026-01-25 10:39:55 -08:00
xvmain.c xv: move XvVideoNotifyRec into xvmain.c 2026-01-25 10:39:55 -08:00
xvmc.c Xext: xvmc: drop unused XvMCScreenInitProc 2026-01-25 10:39:57 -08:00
xvmcext.h Xext: xvmc: drop unused XvMCScreenInitProc 2026-01-25 10:39:57 -08:00