From 4587881130db36125c6b800e8f7e3fa0a3c5c9fb Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Sat, 14 Feb 2015 16:40:07 +0100 Subject: 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 --- ...checking-for-non-generated-single-request.patch | 413 +++++++++++++++++++++ 1 file changed, 413 insertions(+) create mode 100644 debian/patches/1038-glx-Length-checking-for-non-generated-single-request.patch (limited to 'debian/patches/1038-glx-Length-checking-for-non-generated-single-request.patch') diff --git a/debian/patches/1038-glx-Length-checking-for-non-generated-single-request.patch b/debian/patches/1038-glx-Length-checking-for-non-generated-single-request.patch new file mode 100644 index 000000000..5db4682df --- /dev/null +++ b/debian/patches/1038-glx-Length-checking-for-non-generated-single-request.patch @@ -0,0 +1,413 @@ +From 8931066077a04999d973932e04da577bd6906c82 Mon Sep 17 00:00:00 2001 +From: Adam Jackson +Date: Mon, 10 Nov 2014 12:13:47 -0500 +Subject: [PATCH 38/40] glx: Length checking for non-generated single requests + (v2) [CVE-2014-8098 7/8] + +v2: +Fix single versus vendor-private length checking for ARB_imaging subset +extensions. (Julien Cristau) + +v3: +Fix single versus vendor-private length checking for ARB_imaging subset +extensions. (Julien Cristau) + +v4: backport to nx-libs 3.6.x (Mike DePaulo) + +Reviewed-by: Michal Srb +Reviewed-by: Andy Ritger +Signed-off-by: Adam Jackson +Signed-off-by: Julien Cristau +Signed-off-by: Alan Coopersmith +Signed-off-by: Fedora X Ninjas +Signed-off-by: Dave Airlie + +fix safe_Add +--- + nx-X11/programs/Xserver/GL/glx/single2.c | 21 +++++++++++++++------ + nx-X11/programs/Xserver/GL/glx/single2swap.c | 15 +++++++++++---- + nx-X11/programs/Xserver/GL/glx/singlepix.c | 19 ++++++++++++++----- + nx-X11/programs/Xserver/GL/glx/singlepixswap.c | 17 ++++++++++++----- + 4 files changed, 52 insertions(+), 20 deletions(-) + +diff --git a/nx-X11/programs/Xserver/GL/glx/single2.c b/nx-X11/programs/Xserver/GL/glx/single2.c +index 9fee5ff..10152c3 100644 +--- a/nx-X11/programs/Xserver/GL/glx/single2.c ++++ b/nx-X11/programs/Xserver/GL/glx/single2.c +@@ -48,11 +48,14 @@ + + int __glXDisp_FeedbackBuffer(__GLXclientState *cl, GLbyte *pc) + { ++ ClientPtr client = cl->client; + GLsizei size; + GLenum type; + __GLXcontext *cx; + int error; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 8); ++ + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -78,10 +81,12 @@ int __glXDisp_FeedbackBuffer(__GLXclientState *cl, GLbyte *pc) + + int __glXDisp_SelectBuffer(__GLXclientState *cl, GLbyte *pc) + { ++ ClientPtr client = cl->client; + __GLXcontext *cx; + GLsizei size; + int error; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 4); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -106,7 +111,7 @@ int __glXDisp_SelectBuffer(__GLXclientState *cl, GLbyte *pc) + + int __glXDisp_RenderMode(__GLXclientState *cl, GLbyte *pc) + { +- ClientPtr client; ++ ClientPtr client = cl->client; + xGLXRenderModeReply reply; + __GLXcontext *cx; + GLint nitems=0, retBytes=0, retval, newModeCheck; +@@ -114,6 +119,8 @@ int __glXDisp_RenderMode(__GLXclientState *cl, GLbyte *pc) + GLenum newMode; + int error; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 4); ++ + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -188,7 +195,6 @@ int __glXDisp_RenderMode(__GLXclientState *cl, GLbyte *pc) + ** selection array, as per the API for glRenderMode itself. + */ + noChangeAllowed:; +- client = cl->client; + reply.length = nitems; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; +@@ -204,9 +210,11 @@ int __glXDisp_RenderMode(__GLXclientState *cl, GLbyte *pc) + + int __glXDisp_Flush(__GLXclientState *cl, GLbyte *pc) + { ++ ClientPtr client = cl->client; + __GLXcontext *cx; + int error; + ++ REQUEST_SIZE_MATCH(xGLXSingleReq); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -219,10 +227,11 @@ int __glXDisp_Flush(__GLXclientState *cl, GLbyte *pc) + + int __glXDisp_Finish(__GLXclientState *cl, GLbyte *pc) + { ++ ClientPtr client = cl->client; + __GLXcontext *cx; +- ClientPtr client; + int error; + ++ REQUEST_SIZE_MATCH(xGLXSingleReq); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -233,7 +242,6 @@ int __glXDisp_Finish(__GLXclientState *cl, GLbyte *pc) + __GLX_NOTE_FLUSHED_CMDS(cx); + + /* Send empty reply packet to indicate finish is finished */ +- client = cl->client; + __GLX_BEGIN_REPLY(0); + __GLX_SEND_HEADER(); + return Success; +@@ -302,7 +310,7 @@ char *__glXcombine_strings(const char *cext_string, const char *sext_string) + + int DoGetString(__GLXclientState *cl, GLbyte *pc, GLboolean need_swap) + { +- ClientPtr client; ++ ClientPtr client = cl->client; + __GLXcontext *cx; + GLenum name; + const char *string; +@@ -311,6 +319,8 @@ int DoGetString(__GLXclientState *cl, GLbyte *pc, GLboolean need_swap) + char *buf = NULL, *buf1 = NULL; + GLint length = 0; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 4); ++ + /* If the client has the opposite byte order, swap the contextTag and + * the name. + */ +@@ -327,7 +337,6 @@ int DoGetString(__GLXclientState *cl, GLbyte *pc, GLboolean need_swap) + pc += __GLX_SINGLE_HDR_SIZE; + name = *(GLenum *)(pc + 0); + string = (const char *)glGetString(name); +- client = cl->client; + + /* + ** Restrict extensions to those that are supported by both the +diff --git a/nx-X11/programs/Xserver/GL/glx/single2swap.c b/nx-X11/programs/Xserver/GL/glx/single2swap.c +index dab98ad..4b8541b 100644 +--- a/nx-X11/programs/Xserver/GL/glx/single2swap.c ++++ b/nx-X11/programs/Xserver/GL/glx/single2swap.c +@@ -48,12 +48,14 @@ + + int __glXDispSwap_FeedbackBuffer(__GLXclientState *cl, GLbyte *pc) + { ++ ClientPtr client = cl->client; + GLsizei size; + GLenum type; + __GLX_DECLARE_SWAP_VARIABLES; + __GLXcontext *cx; + int error; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 8); + __GLX_SWAP_INT(&((xGLXSingleReq *)pc)->contextTag); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { +@@ -82,11 +84,13 @@ int __glXDispSwap_FeedbackBuffer(__GLXclientState *cl, GLbyte *pc) + + int __glXDispSwap_SelectBuffer(__GLXclientState *cl, GLbyte *pc) + { ++ ClientPtr client = cl->client; + __GLXcontext *cx; + GLsizei size; + __GLX_DECLARE_SWAP_VARIABLES; + int error; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 4); + __GLX_SWAP_INT(&((xGLXSingleReq *)pc)->contextTag); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { +@@ -113,7 +117,7 @@ int __glXDispSwap_SelectBuffer(__GLXclientState *cl, GLbyte *pc) + + int __glXDispSwap_RenderMode(__GLXclientState *cl, GLbyte *pc) + { +- ClientPtr client; ++ ClientPtr client = cl->client; + __GLXcontext *cx; + xGLXRenderModeReply reply; + GLint nitems=0, retBytes=0, retval, newModeCheck; +@@ -123,6 +127,8 @@ int __glXDispSwap_RenderMode(__GLXclientState *cl, GLbyte *pc) + __GLX_DECLARE_SWAP_ARRAY_VARIABLES; + int error; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 4); ++ + __GLX_SWAP_INT(&((xGLXSingleReq *)pc)->contextTag); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { +@@ -201,7 +207,6 @@ int __glXDispSwap_RenderMode(__GLXclientState *cl, GLbyte *pc) + ** selection array, as per the API for glRenderMode itself. + */ + noChangeAllowed:; +- client = cl->client; + reply.length = nitems; + reply.type = X_Reply; + reply.sequenceNumber = client->sequence; +@@ -222,10 +227,12 @@ int __glXDispSwap_RenderMode(__GLXclientState *cl, GLbyte *pc) + + int __glXDispSwap_Flush(__GLXclientState *cl, GLbyte *pc) + { ++ ClientPtr client = cl->client; + __GLXcontext *cx; + int error; + __GLX_DECLARE_SWAP_VARIABLES; + ++ REQUEST_SIZE_MATCH(xGLXSingleReq); + __GLX_SWAP_INT(&((xGLXSingleReq *)pc)->contextTag); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { +@@ -239,11 +246,12 @@ int __glXDispSwap_Flush(__GLXclientState *cl, GLbyte *pc) + + int __glXDispSwap_Finish(__GLXclientState *cl, GLbyte *pc) + { ++ ClientPtr client = cl->client; + __GLXcontext *cx; +- ClientPtr client; + int error; + __GLX_DECLARE_SWAP_VARIABLES; + ++ REQUEST_SIZE_MATCH(xGLXSingleReq); + __GLX_SWAP_INT(&((xGLXSingleReq *)pc)->contextTag); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { +@@ -255,7 +263,6 @@ int __glXDispSwap_Finish(__GLXclientState *cl, GLbyte *pc) + __GLX_NOTE_FLUSHED_CMDS(cx); + + /* Send empty reply packet to indicate finish is finished */ +- client = cl->client; + __GLX_BEGIN_REPLY(0); + __GLX_PUT_RETVAL(0); + __GLX_SWAP_REPLY_HEADER(); +diff --git a/nx-X11/programs/Xserver/GL/glx/singlepix.c b/nx-X11/programs/Xserver/GL/glx/singlepix.c +index be804d8..a156db5 100644 +--- a/nx-X11/programs/Xserver/GL/glx/singlepix.c ++++ b/nx-X11/programs/Xserver/GL/glx/singlepix.c +@@ -57,6 +57,8 @@ int __glXDisp_ReadPixels(__GLXclientState *cl, GLbyte *pc) + int error; + char *answer, answerBuffer[200]; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 28); ++ + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -108,6 +110,7 @@ int __glXDisp_GetTexImage(__GLXclientState *cl, GLbyte *pc) + char *answer, answerBuffer[200]; + GLint width=0, height=0, depth=1; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 20); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -204,6 +207,7 @@ int __glXDisp_GetSeparableFilter(__GLXclientState *cl, GLbyte *pc) + char *answer, answerBuffer[200]; + GLint width=0, height=0; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 16); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -227,13 +231,11 @@ int __glXDisp_GetSeparableFilter(__GLXclientState *cl, GLbyte *pc) + compsize = __glGetTexImage_size(target,1,format,type,width,1,1); + compsize2 = __glGetTexImage_size(target,1,format,type,height,1,1); + +- if (compsize < 0) return BadLength; +- if (compsize2 < 0) compsize2 = 0; +- compsize = __GLX_PAD(compsize); +- compsize2 = __GLX_PAD(compsize2); ++ if ((compsize = safe_pad(compsize)) < 0) return BadLength; ++ if ((compsize2 = safe_pad(compsize2)) < 0) return BadLength; + + glPixelStorei(GL_PACK_SWAP_BYTES, swapBytes); +- __GLX_GET_ANSWER_BUFFER(answer,cl,compsize + compsize2,1); ++ __GLX_GET_ANSWER_BUFFER(answer,cl,safe_add(compsize, compsize2),1); + __glXClearErrorOccured(); + glGetSeparableFilter( + *(GLenum *)(pc + 0), +@@ -269,6 +271,7 @@ int __glXDisp_GetConvolutionFilter(__GLXclientState *cl, GLbyte *pc) + char *answer, answerBuffer[200]; + GLint width=0, height=0; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 16); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -328,6 +331,8 @@ int __glXDisp_GetHistogram(__GLXclientState *cl, GLbyte *pc) + char *answer, answerBuffer[200]; + GLint width=0; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 16); ++ + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -376,6 +381,8 @@ int __glXDisp_GetMinmax(__GLXclientState *cl, GLbyte *pc) + int error; + char *answer, answerBuffer[200]; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 16); ++ + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -419,6 +426,8 @@ int __glXDisp_GetColorTable(__GLXclientState *cl, GLbyte *pc) + char *answer, answerBuffer[200]; + GLint width=0; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 16); ++ + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +diff --git a/nx-X11/programs/Xserver/GL/glx/singlepixswap.c b/nx-X11/programs/Xserver/GL/glx/singlepixswap.c +index cdc6f16..24f2e76 100644 +--- a/nx-X11/programs/Xserver/GL/glx/singlepixswap.c ++++ b/nx-X11/programs/Xserver/GL/glx/singlepixswap.c +@@ -58,6 +58,8 @@ int __glXDispSwap_ReadPixels(__GLXclientState *cl, GLbyte *pc) + int error; + char *answer, answerBuffer[200]; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 28); ++ + __GLX_SWAP_INT(&((xGLXSingleReq *)pc)->contextTag); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { +@@ -120,6 +122,7 @@ int __glXDispSwap_GetTexImage(__GLXclientState *cl, GLbyte *pc) + char *answer, answerBuffer[200]; + GLint width=0, height=0, depth=1; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 24); + __GLX_SWAP_INT(&((xGLXSingleReq *)pc)->contextTag); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { +@@ -190,6 +193,7 @@ int __glXDispSwap_GetPolygonStipple(__GLXclientState *cl, GLbyte *pc) + char *answer; + __GLX_DECLARE_SWAP_VARIABLES; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 4); + __GLX_SWAP_INT(&((xGLXSingleReq *)pc)->contextTag); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { +@@ -230,6 +234,7 @@ int __glXDispSwap_GetSeparableFilter(__GLXclientState *cl, GLbyte *pc) + char *answer, answerBuffer[200]; + GLint width=0, height=0; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 16); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -257,13 +262,11 @@ int __glXDispSwap_GetSeparableFilter(__GLXclientState *cl, GLbyte *pc) + compsize = __glGetTexImage_size(target,1,format,type,width,1,1); + compsize2 = __glGetTexImage_size(target,1,format,type,height,1,1); + +- if (compsize < 0) return BadLength; +- if (compsize2 < 0) compsize2 = 0; +- compsize = __GLX_PAD(compsize); +- compsize2 = __GLX_PAD(compsize2); ++ if ((compsize = safe_pad(compsize)) < 0) return BadLength; ++ if ((compsize2 = safe_pad(compsize2)) < 0) return BadLength; + + glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes); +- __GLX_GET_ANSWER_BUFFER(answer,cl,compsize + compsize2,1); ++ __GLX_GET_ANSWER_BUFFER(answer,cl,safe_add(compsize, compsize2),1); + __glXClearErrorOccured(); + glGetSeparableFilter( + *(GLenum *)(pc + 0), +@@ -302,6 +305,7 @@ int __glXDispSwap_GetConvolutionFilter(__GLXclientState *cl, GLbyte *pc) + char *answer, answerBuffer[200]; + GLint width=0, height=0; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 16); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -368,6 +372,7 @@ int __glXDispSwap_GetHistogram(__GLXclientState *cl, GLbyte *pc) + char *answer, answerBuffer[200]; + GLint width=0; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 16); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -422,6 +427,7 @@ int __glXDispSwap_GetMinmax(__GLXclientState *cl, GLbyte *pc) + __GLX_DECLARE_SWAP_VARIABLES; + char *answer, answerBuffer[200]; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 16); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +@@ -470,6 +476,7 @@ int __glXDispSwap_GetColorTable(__GLXclientState *cl, GLbyte *pc) + char *answer, answerBuffer[200]; + GLint width=0; + ++ REQUEST_FIXED_SIZE(xGLXSingleReq, 16); + cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); + if (!cx) { + return error; +-- +2.1.4 + -- cgit v1.2.3