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XLibre Xserver
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Alan Coopersmith 192ecabba8 dix: fix button offset when generating DeviceButtonStateNotify events 
Found by Oracle Parfait 13.3 static analyzer:
   Buffer Overflow in STD C function [buffer-overflow-call-stdc]:
      Buffer overflow in call to memcpy. Buffer &bev->buttons[4] of
       size 24 is written at an offset of 28
      Array size is 28 bytes, index is 32
        at line 743 of dix/enterleave.c in function
	 'DeliverStateNotifyEvent'.

Fixes: a85f0d6b9 ("Xi: fix use of button->down - bitflags instead of int arrays.")
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1730>
 		2024-10-31 16:22:47 +01:00
.gitlab-ci CI: update meson from 0.56.2 (bullseye) to 1.0.0 (bullseye-backports) 2024-10-31 15:39:06 +01:00
Xext (submit/os-screensaver) os: unexport screen saver timer functions 2024-08-29 20:51:22 +02:00
Xi Xi: avoid NULL pointer dereference if GetXTestDevice returns NULL 2024-10-31 16:22:47 +01:00
composite (submit/rename-panoramix-sym) rename old symbol PANORAMIX to XINERAMA 2024-08-29 20:51:22 +02:00
config (submit/move-systemd-logind.h) move systemd-logind.h to hw/xfree86/os-support/linux 2024-08-29 20:51:22 +02:00
damageext (submit/rename-panoramix-sym) rename old symbol PANORAMIX to XINERAMA 2024-08-29 20:51:22 +02:00
dbe (submit/rename-panoramix-sym) rename old symbol PANORAMIX to XINERAMA 2024-08-29 20:51:22 +02:00
dix dix: fix button offset when generating DeviceButtonStateNotify events 2024-10-31 16:22:47 +01:00
doc (submit/colormap.h) dix: move colormap flags into colormap_priv.h and rename them 2024-08-29 20:51:21 +02:00
dri3 (submit/rename-panoramix-sym) rename old symbol PANORAMIX to XINERAMA 2024-08-29 20:51:22 +02:00
exa (submit/drop-obsolete-have-dix-config.h) drop obsolete HAVE_DIX_CONFIG_H 2024-08-29 20:51:21 +02:00
fb (submit/drop-obsolete-have-dix-config.h) drop obsolete HAVE_DIX_CONFIG_H 2024-08-29 20:51:21 +02:00
glamor include: dixfontstr.h: drop silent dependency on libxfont2 2024-10-31 15:28:48 +01:00
glx (submit/drop-cygwin) drop remains of cygwin support 2024-08-29 20:51:22 +02:00
hw xfree86: avoid memory leak on realloc failure 2024-10-31 16:22:47 +01:00
include include: dixfontstr.h: drop silent dependency on libxfont2 2024-10-31 15:28:48 +01:00
man Xserver.man: Note that -byteswappedclients is the default in this release 2024-03-23 10:27:03 -07:00
mi (submit/os-screensaver) os: unexport screen saver timer functions 2024-08-29 20:51:22 +02:00
miext (submit/xnest-gcrec) fix name clash on 'GC' between Xlib and Xserver 2024-08-29 20:51:22 +02:00
os os: Fix NULL pointer dereference 2024-10-31 15:39:06 +01:00
present build: Move epoll dependency check 2024-10-31 15:39:06 +01:00
pseudoramiX (submit/drop-obsolete-have-dix-config.h) drop obsolete HAVE_DIX_CONFIG_H 2024-08-29 20:51:21 +02:00
randr (submit/rename-panoramix-sym) rename old symbol PANORAMIX to XINERAMA 2024-08-29 20:51:22 +02:00
record (submit/rename-panoramix-sym) rename old symbol PANORAMIX to XINERAMA 2024-08-29 20:51:22 +02:00
render render: avoid NULL pointer dereference if PictureFindVisual returns NULL 2024-10-31 16:22:47 +01:00
test (submit/dixgrabs.h) dix: unexport GrabMatchesSecond() 2024-08-29 20:51:21 +02:00
xfixes (submit/rename-panoramix-sym) rename old symbol PANORAMIX to XINERAMA 2024-08-29 20:51:22 +02:00
xkb (submit/extDevReason) xkb: drop unused variable extDevReason 2024-08-29 20:51:22 +02:00
.appveyor.yml appveyor: Add libxcvt build dep 2021-11-04 13:03:25 +00:00
.dir-locals.el .dir-locals.el: Add missing final newline 2019-10-01 17:05:28 +00:00
.gitignore Clean up the .gitignore file 2024-01-12 00:50:24 +00:00
.gitlab-ci.yml meson.build: change project name to xnest 2024-08-30 12:28:49 +02:00
.mailmap Add a .mailmap file to canonicalize author names and emails 2023-03-15 18:10:51 +00:00
.travis.yml travis: Add OSX meson build to matrix 2019-05-02 15:42:58 +00:00
COPYING modesetting: Merge modesetting's COPYING into the xserver's. 2014-09-15 12:46:02 -07:00
README.md Fix spelling/wording issues 2020-07-05 13:07:33 -07:00
meson.build build: Fix DRI3 on DragonFly and OpenBSD 2024-10-31 15:39:06 +01:00
meson_options.txt meson_options: disable all DDX'es but Xnest 2024-08-30 12:28:30 +02:00
xorg-server.m4 xorg-server.m4: just all cflags instead of just sdkdir 2018-09-20 20:12:24 +01:00
xorg-server.pc.in xfree86: link modules against Xorg symbols on Cygwin 2012-04-05 21:57:07 -05:00
xserver.ent.in doc: relocate xserver.ent in the package root directory 2011-05-14 11:22:26 -07:00

README.md

X Server

The X server accepts requests from client applications to create windows, which are (normally rectangular) "virtual screens" that the client program can draw into.

Windows are then composed on the actual screen by the X server (or by a separate composite manager) as directed by the window manager, which usually communicates with the user via graphical controls such as buttons and draggable titlebars and borders.

For a comprehensive overview of X Server and X Window System, consult the following article: https://en.wikipedia.org/wiki/X_server

All questions regarding this software should be directed at the Xorg mailing list:

https://lists.freedesktop.org/mailman/listinfo/xorg

The primary development code repository can be found at:

https://gitlab.freedesktop.org/xorg/xserver

For patch submission instructions, see:

https://www.x.org/wiki/Development/Documentation/SubmittingPatches

As with other projects hosted on freedesktop.org, X.Org follows its Code of Conduct, based on the Contributor Covenant. Please conduct yourself in a respectful and civilized manner when using the above mailing lists, bug trackers, etc:

https://www.freedesktop.org/wiki/CodeOfConduct