40 patches, fixing several X.Org CVEs in NX.

* Security fixes:
  - Rebase loads of X.Org patches (mainly from RHEL-5) against NX. If not
    all patches from a CVE patch series appear here, then it means that
    the affected file/code is not used in NX at build time.
  - X.Org CVE-2011-2895:
      1001-LZW-decompress-fix-for-CVE-2011-2895-From-xorg-lib-X.patch
  - X.Org CVE-2011-4028:
      1002-Fix-CVE-2011-4028-File-disclosure-vulnerability.-ups.patch
  - X.Org CVE-2013-4396:
      1003-Avoid-use-after-free-in-dix-dixfonts.c-doImageText-C.patch
  - X.Org CVE-2013-6462:
      1004-CVE-2013-6462-unlimited-sscanf-overflows-stack-buffe.patch
  - X.Org CVE-2014-0209:
      1005-CVE-2014-0209-integer-overflow-of-realloc-size-in-Fo.patch
      1006-CVE-2014-0209-integer-overflow-of-realloc-size-in-le.patch
  - X.Org CVE-2014-0210:
      1007-CVE-2014-0210-unvalidated-length-in-_fs_recv_conn_se.patch
      1009-CVE-2014-0210-unvalidated-lengths-when-reading-repli.patch
      1011-CVE-2014-0210-unvalidated-length-fields-in-fs_read_q.patch
      1014-CVE-2014-0210-unvalidated-length-fields-in-fs_read_e.patch
      1015-CVE-2014-0210-unvalidated-length-fields-in-fs_read_g.patch
      1016-CVE-2014-0210-unvalidated-length-fields-in-fs_read_l.patch
      1017-CVE-2014-0210-unvalidated-length-fields-in-fs_read_l.patch
  - X.Org CVE-2014-0211:
      1010-CVE-2014-0211-Integer-overflow-in-fs_get_reply-_fs_s.patch
      1012-CVE-2014-0211-integer-overflow-in-fs_read_extent_inf.patch
      1013-CVE-2014-0211-integer-overflow-in-fs_alloc_glyphs-fr.patch
      1018-unchecked-malloc-may-allow-unauthed-client-to-crash-.patch
  - X.Org CVE-2014-8092:
      1019-dix-integer-overflow-in-ProcPutImage-CVE-2014-8092-1.patch
      1020-dix-integer-overflow-in-GetHosts-CVE-2014-8092-2-4.patch
      1021-dix-integer-overflow-in-RegionSizeof-CVE-2014-8092-3.patch
      1022-dix-integer-overflow-in-REQUEST_FIXED_SIZE-CVE-2014-.patch
  - X.Org CVE-2014-8097:
      1023-dbe-unvalidated-lengths-in-DbeSwapBuffers-calls-CVE-.patch
  - X.Org CVE-2014-8095:
      1024-Xi-unvalidated-lengths-in-Xinput-extension-CVE-2014-.patch
  - X.Org CVE-2014-8096:
      1025-xcmisc-unvalidated-length-in-SProcXCMiscGetXIDList-C.patch
  - X.Org CVE-2014-8099:
      1026-Xv-unvalidated-lengths-in-XVideo-extension-swapped-p.patch
  - X.Org CVE-2014-8100:
      1027-render-check-request-size-before-reading-it-CVE-2014.patch
      1028-render-unvalidated-lengths-in-Render-extn.-swapped-p.patch
  - X.Org CVE-2014-8102:
      1029-xfixes-unvalidated-length-in-SProcXFixesSelectSelect.patch
  - X.Org CVE-2014-8101:
      1030-randr-unvalidated-lengths-in-RandR-extension-swapped.patch
  - X.Org CVE-2014-8093:
      1031-glx-Be-more-paranoid-about-variable-length-requests-.patch
      1032-glx-Be-more-strict-about-rejecting-invalid-image-siz.patch
      1033-glx-Additional-paranoia-in-__glXGetAnswerBuffer-__GL.patch
      1034-glx-Add-safe_-add-mul-pad-v3-CVE-2014-8093-4-6-v4.patch
      1036-glx-Integer-overflow-protection-for-non-generated-re.patch
  - X.Org CVE-2014-8098:
      1035-glx-Length-checking-for-GLXRender-requests-v2-CVE-20.patch
      1037-glx-Top-level-length-checking-for-swapped-VendorPriv.patch
      1038-glx-Length-checking-for-non-generated-single-request.patch
      1039-glx-Length-checking-for-RenderLarge-requests-v2-CVE-.patch
      1040-glx-Pass-remaining-request-length-into-varsize-v2-CV.patch
  - Security fixes with no assigned CVE:
      1008-Don-t-crash-when-we-receive-an-FS_Error-from-the-fon.patch

1 files changed, 132 insertions, 0 deletions

diff --git a/debian/patches/1035-glx-Length-checking-for-GLXRender-requests-v2-CVE-20.patch b/debian/patches/1035-glx-Length-checking-for-GLXRender-requests-v2-CVE-20.patch
new file mode 100644
index 000000000..17afae92f
--- /dev/null
+++ b/debian/patches/1035-glx-Length-checking-for-GLXRender-requests-v2-CVE-20.patch
@@ -0,0 +1,132 @@
+From 78b38a8a37e6105360c82a710ef62c92643ea4c1 Mon Sep 17 00:00:00 2001
+From: Julien Cristau <jcristau@debian.org>
+Date: Mon, 10 Nov 2014 12:13:41 -0500
+Subject: [PATCH 35/40] glx: Length checking for GLXRender requests (v2)
+ [CVE-2014-8098 2/8] (v3)
+
+v2:
+Remove can't-happen comparison for cmdlen < 0 (Michal Srb)
+
+v3: backport to RHEL5 hit old paths
+
+v4: backport to nx-libs 3.6.x (Mike DePaulo)
+
+Reviewed-by: Adam Jackson <ajax@redhat.com>
+Reviewed-by: Michal Srb <msrb@suse.com>
+Reviewed-by: Andy Ritger <aritger@nvidia.com>
+Signed-off-by: Julien Cristau <jcristau@debian.org>
+Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
+Signed-off-by: Fedora X Ninjas <x@fedoraproject.org>
+Signed-off-by: Dave Airlie <airlied@redhat.com>
+---
+ nx-X11/programs/Xserver/GL/glx/glxcmds.c     | 20 ++++++++++----------
+ nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c | 20 ++++++++++----------
+ 2 files changed, 20 insertions(+), 20 deletions(-)
+
+diff --git a/nx-X11/programs/Xserver/GL/glx/glxcmds.c b/nx-X11/programs/Xserver/GL/glx/glxcmds.c
+index 02f3ba7..831c65b 100644
+--- a/nx-X11/programs/Xserver/GL/glx/glxcmds.c
++++ b/nx-X11/programs/Xserver/GL/glx/glxcmds.c
+@@ -1443,7 +1443,7 @@ int __glXRender(__GLXclientState *cl, GLbyte *pc)
+     left = (req->length << 2) - sz_xGLXRenderReq;
+     while (left > 0) {
+         __GLXrenderSizeData *entry;
+-        int extra;
++        int extra = 0;
+ 	void (* proc)(GLbyte *);
+ 
+ 	/*
+@@ -1454,6 +1454,9 @@ int __glXRender(__GLXclientState *cl, GLbyte *pc)
+ 	cmdlen = hdr->length;
+ 	opcode = hdr->opcode;
+ 
++	if (left < cmdlen)
++	    return BadLength;
++
+ 	/*
+ 	** Check for core opcodes and grab entry data.
+ 	*/
+@@ -1480,22 +1483,19 @@ int __glXRender(__GLXclientState *cl, GLbyte *pc)
+             client->errorValue = commandsDone;
+             return __glXBadRenderRequest;
+         }
++
++        if (cmdlen < entry->bytes) {
++            return BadLength;
++        }
++
+         if (entry->varsize) {
+             /* variable size command */
+             extra = (*entry->varsize)(pc + __GLX_RENDER_HDR_SIZE, False);
+             if (extra < 0) {
+                 return BadLength;
+             }
+-            if (cmdlen != __GLX_PAD(entry->bytes + extra)) {
+-                return BadLength;
+-            }
+-        } else {
+-            /* constant size command */
+-            if (cmdlen != __GLX_PAD(entry->bytes)) {
+-                return BadLength;
+-            }
+         }
+-	if (left < cmdlen) {
++	if (cmdlen != safe_pad(safe_add(entry->bytes, extra))) {
+ 	    return BadLength;
+ 	}
+ 
+diff --git a/nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c b/nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c
+index 027cba7..7174fda 100644
+--- a/nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c
++++ b/nx-X11/programs/Xserver/GL/glx/glxcmdsswap.c
+@@ -498,7 +498,7 @@ int __glXSwapRender(__GLXclientState *cl, GLbyte *pc)
+     left = (req->length << 2) - sz_xGLXRenderReq;
+     while (left > 0) {
+         __GLXrenderSizeData *entry;
+-        int extra;
++        int extra = 0;
+ 	void (* proc)(GLbyte *);
+ 
+ 	/*
+@@ -511,6 +511,9 @@ int __glXSwapRender(__GLXclientState *cl, GLbyte *pc)
+ 	cmdlen = hdr->length;
+ 	opcode = hdr->opcode;
+ 
++	if (left < cmdlen)
++	return BadLength;
++
+ 	if ( (opcode >= __GLX_MIN_RENDER_OPCODE) && 
+ 	     (opcode <= __GLX_MAX_RENDER_OPCODE) ) {
+ 	    entry = &__glXRenderSizeTable[opcode];
+@@ -531,22 +534,19 @@ int __glXSwapRender(__GLXclientState *cl, GLbyte *pc)
+ 	    client->errorValue = commandsDone;
+             return __glXBadRenderRequest;
+         }
++
++	if (cmdlen < entry->bytes) {
++	    return BadLength;
++	}
++
+         if (entry->varsize) {
+             /* variable size command */
+             extra = (*entry->varsize)(pc + __GLX_RENDER_HDR_SIZE, True);
+             if (extra < 0) {
+                 return BadLength;
+             }
+-            if (cmdlen != __GLX_PAD(entry->bytes + extra)) {
+-                return BadLength;
+-            }
+-        } else {
+-            /* constant size command */
+-            if (cmdlen != __GLX_PAD(entry->bytes)) {
+-                return BadLength;
+-            }
+         }
+-	if (left < cmdlen) {
++	if (cmdlen != safe_pad(safe_add(entry->bytes, extra))) {
+ 	    return BadLength;
+ 	}
+ 
+-- 
+2.1.4
+