Module Name: xsrc Committed By: mrg Date: Sat Nov 4 21:49:33 UTC 2017
Modified Files: xsrc/external/mit/xorg-server/dist/Xext: panoramiX.c saver.c vidmode.c xres.c xvdisp.c xsrc/external/mit/xorg-server/dist/Xi: xibarriers.c xichangehierarchy.c xsrc/external/mit/xorg-server/dist/dbe: dbe.c xsrc/external/mit/xorg-server/dist/dix: dispatch.c xsrc/external/mit/xorg-server/dist/hw/dmx: dmxpict.c xsrc/external/mit/xorg-server/dist/hw/xfree86/common: xf86DGA.c xsrc/external/mit/xorg-server/dist/hw/xfree86/dri: xf86dri.c xsrc/external/mit/xorg-server/dist/pseudoramiX: pseudoramiX.c xsrc/external/mit/xorg-server/dist/render: render.c xsrc/external/mit/xorg-server/dist/xfixes: cursor.c region.c saveset.c xfixes.c Log Message: apply fixes for CVEs 2017-12176 to 2017-12187. -- >From 1b1d4c04695dced2463404174b50b3581dbd857b Mon Sep 17 00:00:00 2001 From: Nathan Kidd <nk...@opentext.com> Date: Sun, 21 Dec 2014 01:10:03 -0500 Subject: hw/xfree86: unvalidated lengths This addresses: CVE-2017-12180 in XFree86-VidModeExtension CVE-2017-12181 in XFree86-DGA CVE-2017-12182 in XFree86-DRI -- >From 211e05ac85a294ef361b9f80d689047fa52b9076 Mon Sep 17 00:00:00 2001 From: Michal Srb <m...@suse.com> Date: Fri, 7 Jul 2017 17:21:46 +0200 Subject: Xi: Test exact size of XIBarrierReleasePointer Otherwise a client can send any value of num_barriers and cause reading or swapping of values on heap behind the receive buffer. -- >From 4ca68b878e851e2136c234f40a25008297d8d831 Mon Sep 17 00:00:00 2001 From: Nathan Kidd <nk...@opentext.com> Date: Fri, 9 Jan 2015 10:09:14 -0500 Subject: dbe: Unvalidated variable-length request in ProcDbeGetVisualInfo (CVE-2017-12177) v2: Protect against integer overflow (Alan Coopersmith) -- >From 55caa8b08c84af2b50fbc936cf334a5a93dd7db5 Mon Sep 17 00:00:00 2001 From: Nathan Kidd <nk...@opentext.com> Date: Fri, 9 Jan 2015 11:43:05 -0500 Subject: xfixes: unvalidated lengths (CVE-2017-12183) v2: Use before swap (Jeremy Huddleston Sequoia) v3: Fix wrong XFixesCopyRegion checks (Alan Coopersmith) -- >From 859b08d523307eebde7724fd1a0789c44813e821 Mon Sep 17 00:00:00 2001 From: Nathan Kidd <nk...@opentext.com> Date: Wed, 24 Dec 2014 16:22:18 -0500 Subject: Xi: fix wrong extra length check in ProcXIChangeHierarchy (CVE-2017-12178) -- >From 9c23685009aa96f4b861dcc5d2e01dbee00c4dd9 Mon Sep 17 00:00:00 2001 From: Michal Srb <m...@suse.com> Date: Fri, 7 Jul 2017 17:04:03 +0200 Subject: os: Make sure big requests have sufficient length. A client can send a big request where the 32B "length" field has value 0. When the big request header is removed and the length corrected, the value will underflow to 0xFFFFFFFF. Functions processing the request later will think that the client sent much more data and may touch memory beyond the receive buffer. -- >From b747da5e25be944337a9cd1415506fc06b70aa81 Mon Sep 17 00:00:00 2001 From: Nathan Kidd <nk...@opentext.com> Date: Fri, 9 Jan 2015 10:15:46 -0500 Subject: Unvalidated extra length in ProcEstablishConnection (CVE-2017-12176) To generate a diff of this commit: cvs rdiff -u -r1.1.1.6 -r1.2 \ xsrc/external/mit/xorg-server/dist/Xext/panoramiX.c cvs rdiff -u -r1.1.1.7 -r1.2 xsrc/external/mit/xorg-server/dist/Xext/saver.c cvs rdiff -u -r1.1.1.1 -r1.2 \ xsrc/external/mit/xorg-server/dist/Xext/vidmode.c cvs rdiff -u -r1.1.1.4 -r1.2 xsrc/external/mit/xorg-server/dist/Xext/xres.c cvs rdiff -u -r1.6 -r1.7 xsrc/external/mit/xorg-server/dist/Xext/xvdisp.c cvs rdiff -u -r1.1.1.1 -r1.2 \ xsrc/external/mit/xorg-server/dist/Xi/xibarriers.c cvs rdiff -u -r1.3 -r1.4 \ xsrc/external/mit/xorg-server/dist/Xi/xichangehierarchy.c cvs rdiff -u -r1.3 -r1.4 xsrc/external/mit/xorg-server/dist/dbe/dbe.c cvs rdiff -u -r1.3 -r1.4 xsrc/external/mit/xorg-server/dist/dix/dispatch.c cvs rdiff -u -r1.1.1.5 -r1.2 \ xsrc/external/mit/xorg-server/dist/hw/dmx/dmxpict.c cvs rdiff -u -r1.1.1.7 -r1.2 \ xsrc/external/mit/xorg-server/dist/hw/xfree86/common/xf86DGA.c cvs rdiff -u -r1.1.1.5 -r1.2 \ xsrc/external/mit/xorg-server/dist/hw/xfree86/dri/xf86dri.c cvs rdiff -u -r1.1.1.1 -r1.2 \ xsrc/external/mit/xorg-server/dist/pseudoramiX/pseudoramiX.c cvs rdiff -u -r1.3 -r1.4 xsrc/external/mit/xorg-server/dist/render/render.c cvs rdiff -u -r1.1.1.7 -r1.2 \ xsrc/external/mit/xorg-server/dist/xfixes/cursor.c cvs rdiff -u -r1.1.1.6 -r1.2 \ xsrc/external/mit/xorg-server/dist/xfixes/region.c cvs rdiff -u -r1.1.1.4 -r1.2 \ xsrc/external/mit/xorg-server/dist/xfixes/saveset.c cvs rdiff -u -r1.1.1.5 -r1.2 \ xsrc/external/mit/xorg-server/dist/xfixes/xfixes.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: xsrc/external/mit/xorg-server/dist/Xext/panoramiX.c diff -u xsrc/external/mit/xorg-server/dist/Xext/panoramiX.c:1.1.1.6 xsrc/external/mit/xorg-server/dist/Xext/panoramiX.c:1.2 --- xsrc/external/mit/xorg-server/dist/Xext/panoramiX.c:1.1.1.6 Wed Aug 10 07:44:31 2016 +++ xsrc/external/mit/xorg-server/dist/Xext/panoramiX.c Sat Nov 4 21:49:31 2017 @@ -988,10 +988,11 @@ ProcPanoramiXGetScreenSize(ClientPtr cli xPanoramiXGetScreenSizeReply rep; int rc; + REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq); + if (stuff->screen >= PanoramiXNumScreens) return BadMatch; - REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq); rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); if (rc != Success) return rc; Index: xsrc/external/mit/xorg-server/dist/Xext/saver.c diff -u xsrc/external/mit/xorg-server/dist/Xext/saver.c:1.1.1.7 xsrc/external/mit/xorg-server/dist/Xext/saver.c:1.2 --- xsrc/external/mit/xorg-server/dist/Xext/saver.c:1.1.1.7 Wed Aug 10 07:44:31 2016 +++ xsrc/external/mit/xorg-server/dist/Xext/saver.c Sat Nov 4 21:49:31 2017 @@ -1185,6 +1185,8 @@ ProcScreenSaverUnsetAttributes(ClientPtr PanoramiXRes *draw; int rc, i; + REQUEST_SIZE_MATCH(xScreenSaverUnsetAttributesReq); + rc = dixLookupResourceByClass((void **) &draw, stuff->drawable, XRC_DRAWABLE, client, DixWriteAccess); if (rc != Success) Index: xsrc/external/mit/xorg-server/dist/Xext/vidmode.c diff -u xsrc/external/mit/xorg-server/dist/Xext/vidmode.c:1.1.1.1 xsrc/external/mit/xorg-server/dist/Xext/vidmode.c:1.2 --- xsrc/external/mit/xorg-server/dist/Xext/vidmode.c:1.1.1.1 Wed Aug 10 07:44:31 2016 +++ xsrc/external/mit/xorg-server/dist/Xext/vidmode.c Sat Nov 4 21:49:31 2017 @@ -454,6 +454,20 @@ ProcVidModeAddModeLine(ClientPtr client) DEBUG_P("XF86VidModeAddModeline"); ver = ClientMajorVersion(client); + + if (ver < 2) { + REQUEST_AT_LEAST_SIZE(xXF86OldVidModeAddModeLineReq); + len = + client->req_len - + bytes_to_int32(sizeof(xXF86OldVidModeAddModeLineReq)); + } + else { + REQUEST_AT_LEAST_SIZE(xXF86VidModeAddModeLineReq); + len = + client->req_len - + bytes_to_int32(sizeof(xXF86VidModeAddModeLineReq)); + } + if (ver < 2) { /* convert from old format */ stuff = &newstuff; @@ -501,18 +515,6 @@ ProcVidModeAddModeLine(ClientPtr client) stuff->after_vsyncend, stuff->after_vtotal, (unsigned long) stuff->after_flags); - if (ver < 2) { - REQUEST_AT_LEAST_SIZE(xXF86OldVidModeAddModeLineReq); - len = - client->req_len - - bytes_to_int32(sizeof(xXF86OldVidModeAddModeLineReq)); - } - else { - REQUEST_AT_LEAST_SIZE(xXF86VidModeAddModeLineReq); - len = - client->req_len - - bytes_to_int32(sizeof(xXF86VidModeAddModeLineReq)); - } if (len != stuff->privsize) return BadLength; @@ -622,6 +624,20 @@ ProcVidModeDeleteModeLine(ClientPtr clie DEBUG_P("XF86VidModeDeleteModeline"); ver = ClientMajorVersion(client); + + if (ver < 2) { + REQUEST_AT_LEAST_SIZE(xXF86OldVidModeDeleteModeLineReq); + len = + client->req_len - + bytes_to_int32(sizeof(xXF86OldVidModeDeleteModeLineReq)); + } + else { + REQUEST_AT_LEAST_SIZE(xXF86VidModeDeleteModeLineReq); + len = + client->req_len - + bytes_to_int32(sizeof(xXF86VidModeDeleteModeLineReq)); + } + if (ver < 2) { /* convert from old format */ stuff = &newstuff; @@ -649,18 +665,6 @@ ProcVidModeDeleteModeLine(ClientPtr clie stuff->vdisplay, stuff->vsyncstart, stuff->vsyncend, stuff->vtotal, (unsigned long) stuff->flags); - if (ver < 2) { - REQUEST_AT_LEAST_SIZE(xXF86OldVidModeDeleteModeLineReq); - len = - client->req_len - - bytes_to_int32(sizeof(xXF86OldVidModeDeleteModeLineReq)); - } - else { - REQUEST_AT_LEAST_SIZE(xXF86VidModeDeleteModeLineReq); - len = - client->req_len - - bytes_to_int32(sizeof(xXF86VidModeDeleteModeLineReq)); - } if (len != stuff->privsize) { DebugF("req_len = %ld, sizeof(Req) = %d, privsize = %ld, " "len = %d, length = %d\n", @@ -744,6 +748,20 @@ ProcVidModeModModeLine(ClientPtr client) DEBUG_P("XF86VidModeModModeline"); ver = ClientMajorVersion(client); + + if (ver < 2) { + REQUEST_AT_LEAST_SIZE(xXF86OldVidModeModModeLineReq); + len = + client->req_len - + bytes_to_int32(sizeof(xXF86OldVidModeModModeLineReq)); + } + else { + REQUEST_AT_LEAST_SIZE(xXF86VidModeModModeLineReq); + len = + client->req_len - + bytes_to_int32(sizeof(xXF86VidModeModModeLineReq)); + } + if (ver < 2) { /* convert from old format */ stuff = &newstuff; @@ -768,18 +786,6 @@ ProcVidModeModModeLine(ClientPtr client) stuff->vdisplay, stuff->vsyncstart, stuff->vsyncend, stuff->vtotal, (unsigned long) stuff->flags); - if (ver < 2) { - REQUEST_AT_LEAST_SIZE(xXF86OldVidModeModModeLineReq); - len = - client->req_len - - bytes_to_int32(sizeof(xXF86OldVidModeModModeLineReq)); - } - else { - REQUEST_AT_LEAST_SIZE(xXF86VidModeModModeLineReq); - len = - client->req_len - - bytes_to_int32(sizeof(xXF86VidModeModModeLineReq)); - } if (len != stuff->privsize) return BadLength; @@ -877,6 +883,19 @@ ProcVidModeValidateModeLine(ClientPtr cl DEBUG_P("XF86VidModeValidateModeline"); ver = ClientMajorVersion(client); + + if (ver < 2) { + REQUEST_AT_LEAST_SIZE(xXF86OldVidModeValidateModeLineReq); + len = client->req_len - + bytes_to_int32(sizeof(xXF86OldVidModeValidateModeLineReq)); + } + else { + REQUEST_AT_LEAST_SIZE(xXF86VidModeValidateModeLineReq); + len = + client->req_len - + bytes_to_int32(sizeof(xXF86VidModeValidateModeLineReq)); + } + if (ver < 2) { /* convert from old format */ stuff = &newstuff; @@ -905,17 +924,6 @@ ProcVidModeValidateModeLine(ClientPtr cl stuff->vdisplay, stuff->vsyncstart, stuff->vsyncend, stuff->vtotal, (unsigned long) stuff->flags); - if (ver < 2) { - REQUEST_AT_LEAST_SIZE(xXF86OldVidModeValidateModeLineReq); - len = client->req_len - - bytes_to_int32(sizeof(xXF86OldVidModeValidateModeLineReq)); - } - else { - REQUEST_AT_LEAST_SIZE(xXF86VidModeValidateModeLineReq); - len = - client->req_len - - bytes_to_int32(sizeof(xXF86VidModeValidateModeLineReq)); - } if (len != stuff->privsize) return BadLength; @@ -1027,6 +1035,20 @@ ProcVidModeSwitchToMode(ClientPtr client DEBUG_P("XF86VidModeSwitchToMode"); ver = ClientMajorVersion(client); + + if (ver < 2) { + REQUEST_AT_LEAST_SIZE(xXF86OldVidModeSwitchToModeReq); + len = + client->req_len - + bytes_to_int32(sizeof(xXF86OldVidModeSwitchToModeReq)); + } + else { + REQUEST_AT_LEAST_SIZE(xXF86VidModeSwitchToModeReq); + len = + client->req_len - + bytes_to_int32(sizeof(xXF86VidModeSwitchToModeReq)); + } + if (ver < 2) { /* convert from old format */ stuff = &newstuff; @@ -1055,18 +1077,6 @@ ProcVidModeSwitchToMode(ClientPtr client stuff->vdisplay, stuff->vsyncstart, stuff->vsyncend, stuff->vtotal, (unsigned long) stuff->flags); - if (ver < 2) { - REQUEST_AT_LEAST_SIZE(xXF86OldVidModeSwitchToModeReq); - len = - client->req_len - - bytes_to_int32(sizeof(xXF86OldVidModeSwitchToModeReq)); - } - else { - REQUEST_AT_LEAST_SIZE(xXF86VidModeSwitchToModeReq); - len = - client->req_len - - bytes_to_int32(sizeof(xXF86VidModeSwitchToModeReq)); - } if (len != stuff->privsize) return BadLength; @@ -1457,6 +1467,7 @@ ProcVidModeSetGammaRamp(ClientPtr client VidModePtr pVidMode; REQUEST(xXF86VidModeSetGammaRampReq); + REQUEST_AT_LEAST_SIZE(xXF86VidModeSetGammaRampReq); if (stuff->screen >= screenInfo.numScreens) return BadValue; Index: xsrc/external/mit/xorg-server/dist/Xext/xres.c diff -u xsrc/external/mit/xorg-server/dist/Xext/xres.c:1.1.1.4 xsrc/external/mit/xorg-server/dist/Xext/xres.c:1.2 --- xsrc/external/mit/xorg-server/dist/Xext/xres.c:1.1.1.4 Wed Aug 10 07:44:31 2016 +++ xsrc/external/mit/xorg-server/dist/Xext/xres.c Sat Nov 4 21:49:31 2017 @@ -1039,6 +1039,8 @@ ProcXResQueryResourceBytes (ClientPtr cl ConstructResourceBytesCtx ctx; REQUEST_AT_LEAST_SIZE(xXResQueryResourceBytesReq); + if (stuff->numSpecs > UINT32_MAX / sizeof(ctx.specs[0])) + return BadLength; REQUEST_FIXED_SIZE(xXResQueryResourceBytesReq, stuff->numSpecs * sizeof(ctx.specs[0])); @@ -1144,8 +1146,8 @@ SProcXResQueryResourceBytes (ClientPtr c int c; xXResResourceIdSpec *specs = (void*) ((char*) stuff + sizeof(*stuff)); - swapl(&stuff->numSpecs); REQUEST_AT_LEAST_SIZE(xXResQueryResourceBytesReq); + swapl(&stuff->numSpecs); REQUEST_FIXED_SIZE(xXResQueryResourceBytesReq, stuff->numSpecs * sizeof(specs[0])); Index: xsrc/external/mit/xorg-server/dist/Xext/xvdisp.c diff -u xsrc/external/mit/xorg-server/dist/Xext/xvdisp.c:1.6 xsrc/external/mit/xorg-server/dist/Xext/xvdisp.c:1.7 --- xsrc/external/mit/xorg-server/dist/Xext/xvdisp.c:1.6 Thu Aug 11 00:04:26 2016 +++ xsrc/external/mit/xorg-server/dist/Xext/xvdisp.c Sat Nov 4 21:49:31 2017 @@ -1496,12 +1496,14 @@ XineramaXvShmPutImage(ClientPtr client) { REQUEST(xvShmPutImageReq); PanoramiXRes *draw, *gc, *port; - Bool send_event = stuff->send_event; + Bool send_event; Bool isRoot; int result, i, x, y; REQUEST_SIZE_MATCH(xvShmPutImageReq); + send_event = stuff->send_event; + result = dixLookupResourceByClass((void **) &draw, stuff->drawable, XRC_DRAWABLE, client, DixWriteAccess); if (result != Success) Index: xsrc/external/mit/xorg-server/dist/Xi/xibarriers.c diff -u xsrc/external/mit/xorg-server/dist/Xi/xibarriers.c:1.1.1.1 xsrc/external/mit/xorg-server/dist/Xi/xibarriers.c:1.2 --- xsrc/external/mit/xorg-server/dist/Xi/xibarriers.c:1.1.1.1 Wed Aug 10 07:44:31 2016 +++ xsrc/external/mit/xorg-server/dist/Xi/xibarriers.c Sat Nov 4 21:49:32 2017 @@ -830,10 +830,15 @@ SProcXIBarrierReleasePointer(ClientPtr c REQUEST(xXIBarrierReleasePointerReq); int i; - info = (xXIBarrierReleasePointerInfo*) &stuff[1]; - swaps(&stuff->length); + REQUEST_AT_LEAST_SIZE(xXIBarrierReleasePointerReq); + swapl(&stuff->num_barriers); + if (stuff->num_barriers > UINT32_MAX / sizeof(xXIBarrierReleasePointerInfo)) + return BadLength; + REQUEST_FIXED_SIZE(xXIBarrierReleasePointerReq, stuff->num_barriers * sizeof(xXIBarrierReleasePointerInfo)); + + info = (xXIBarrierReleasePointerInfo*) &stuff[1]; for (i = 0; i < stuff->num_barriers; i++, info++) { swaps(&info->deviceid); swapl(&info->barrier); @@ -854,6 +859,9 @@ ProcXIBarrierReleasePointer(ClientPtr cl REQUEST(xXIBarrierReleasePointerReq); REQUEST_AT_LEAST_SIZE(xXIBarrierReleasePointerReq); + if (stuff->num_barriers > UINT32_MAX / sizeof(xXIBarrierReleasePointerInfo)) + return BadLength; + REQUEST_FIXED_SIZE(xXIBarrierReleasePointerReq, stuff->num_barriers * sizeof(xXIBarrierReleasePointerInfo)); info = (xXIBarrierReleasePointerInfo*) &stuff[1]; for (i = 0; i < stuff->num_barriers; i++, info++) { Index: xsrc/external/mit/xorg-server/dist/Xi/xichangehierarchy.c diff -u xsrc/external/mit/xorg-server/dist/Xi/xichangehierarchy.c:1.3 xsrc/external/mit/xorg-server/dist/Xi/xichangehierarchy.c:1.4 --- xsrc/external/mit/xorg-server/dist/Xi/xichangehierarchy.c:1.3 Thu Aug 11 00:04:26 2016 +++ xsrc/external/mit/xorg-server/dist/Xi/xichangehierarchy.c Sat Nov 4 21:49:32 2017 @@ -425,7 +425,7 @@ ProcXIChangeHierarchy(ClientPtr client) if (stuff->length > (INT_MAX >> 2)) return BadAlloc; #endif - len = ((size_t)stuff->length << 2) - sizeof(xXIAnyHierarchyChangeInfo); + len = ((size_t)stuff->length << 2) - sizeof(xXIChangeHierarchyReq); any = (xXIAnyHierarchyChangeInfo *) &stuff[1]; while (stuff->num_changes--) { Index: xsrc/external/mit/xorg-server/dist/dbe/dbe.c diff -u xsrc/external/mit/xorg-server/dist/dbe/dbe.c:1.3 xsrc/external/mit/xorg-server/dist/dbe/dbe.c:1.4 --- xsrc/external/mit/xorg-server/dist/dbe/dbe.c:1.3 Thu Aug 11 00:04:27 2016 +++ xsrc/external/mit/xorg-server/dist/dbe/dbe.c Sat Nov 4 21:49:32 2017 @@ -574,6 +574,9 @@ ProcDbeGetVisualInfo(ClientPtr client) XdbeScreenVisualInfo *pScrVisInfo; REQUEST_AT_LEAST_SIZE(xDbeGetVisualInfoReq); + if (stuff->n > UINT32_MAX / sizeof(CARD32)) + return BadLength; + REQUEST_FIXED_SIZE(xDbeGetVisualInfoReq, stuff->n * sizeof(CARD32)); if (stuff->n > UINT32_MAX / sizeof(DrawablePtr)) return BadAlloc; @@ -924,7 +927,7 @@ SProcDbeSwapBuffers(ClientPtr client) swapl(&stuff->n); if (stuff->n > UINT32_MAX / sizeof(DbeSwapInfoRec)) - return BadAlloc; + return BadLength; REQUEST_FIXED_SIZE(xDbeSwapBuffersReq, stuff->n * sizeof(xDbeSwapInfo)); if (stuff->n != 0) { Index: xsrc/external/mit/xorg-server/dist/dix/dispatch.c diff -u xsrc/external/mit/xorg-server/dist/dix/dispatch.c:1.3 xsrc/external/mit/xorg-server/dist/dix/dispatch.c:1.4 --- xsrc/external/mit/xorg-server/dist/dix/dispatch.c:1.3 Thu Aug 11 00:04:27 2016 +++ xsrc/external/mit/xorg-server/dist/dix/dispatch.c Sat Nov 4 21:49:32 2017 @@ -3654,7 +3654,12 @@ ProcEstablishConnection(ClientPtr client prefix = (xConnClientPrefix *) ((char *) stuff + sz_xReq); auth_proto = (char *) prefix + sz_xConnClientPrefix; auth_string = auth_proto + pad_to_int32(prefix->nbytesAuthProto); - if ((prefix->majorVersion != X_PROTOCOL) || + + if ((client->req_len << 2) != sz_xReq + sz_xConnClientPrefix + + pad_to_int32(prefix->nbytesAuthProto) + + pad_to_int32(prefix->nbytesAuthString)) + reason = "Bad length"; + else if ((prefix->majorVersion != X_PROTOCOL) || (prefix->minorVersion != X_PROTOCOL_REVISION)) reason = "Protocol version mismatch"; else Index: xsrc/external/mit/xorg-server/dist/hw/dmx/dmxpict.c diff -u xsrc/external/mit/xorg-server/dist/hw/dmx/dmxpict.c:1.1.1.5 xsrc/external/mit/xorg-server/dist/hw/dmx/dmxpict.c:1.2 --- xsrc/external/mit/xorg-server/dist/hw/dmx/dmxpict.c:1.1.1.5 Wed Aug 10 07:44:33 2016 +++ xsrc/external/mit/xorg-server/dist/hw/dmx/dmxpict.c Sat Nov 4 21:49:32 2017 @@ -716,6 +716,8 @@ dmxProcRenderSetPictureFilter(ClientPtr filter = (char *) (stuff + 1); params = (XFixed *) (filter + ((stuff->nbytes + 3) & ~3)); nparams = ((XFixed *) stuff + client->req_len) - params; + if (nparams < 0) + return BadLength; XRenderSetPictureFilter(dmxScreen->beDisplay, pPictPriv->pict, filter, params, nparams); Index: xsrc/external/mit/xorg-server/dist/hw/xfree86/common/xf86DGA.c diff -u xsrc/external/mit/xorg-server/dist/hw/xfree86/common/xf86DGA.c:1.1.1.7 xsrc/external/mit/xorg-server/dist/hw/xfree86/common/xf86DGA.c:1.2 --- xsrc/external/mit/xorg-server/dist/hw/xfree86/common/xf86DGA.c:1.1.1.7 Wed Aug 10 07:44:34 2016 +++ xsrc/external/mit/xorg-server/dist/hw/xfree86/common/xf86DGA.c Sat Nov 4 21:49:32 2017 @@ -1272,13 +1272,14 @@ ProcXDGAOpenFramebuffer(ClientPtr client char *deviceName; int nameSize; + REQUEST_SIZE_MATCH(xXDGAOpenFramebufferReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (!DGAAvailable(stuff->screen)) return DGAErrorBase + XF86DGANoDirectVideoMode; - REQUEST_SIZE_MATCH(xXDGAOpenFramebufferReq); rep.type = X_Reply; rep.length = 0; rep.sequenceNumber = client->sequence; @@ -1305,14 +1306,14 @@ ProcXDGACloseFramebuffer(ClientPtr clien { REQUEST(xXDGACloseFramebufferReq); + REQUEST_SIZE_MATCH(xXDGACloseFramebufferReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (!DGAAvailable(stuff->screen)) return DGAErrorBase + XF86DGANoDirectVideoMode; - REQUEST_SIZE_MATCH(xXDGACloseFramebufferReq); - DGACloseFramebuffer(stuff->screen); return Success; @@ -1328,10 +1329,11 @@ ProcXDGAQueryModes(ClientPtr client) xXDGAModeInfo info; XDGAModePtr mode; + REQUEST_SIZE_MATCH(xXDGAQueryModesReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; - REQUEST_SIZE_MATCH(xXDGAQueryModesReq); rep.type = X_Reply; rep.length = 0; rep.number = 0; @@ -1443,11 +1445,12 @@ ProcXDGASetMode(ClientPtr client) ClientPtr owner; int size; + REQUEST_SIZE_MATCH(xXDGASetModeReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; owner = DGA_GETCLIENT(stuff->screen); - REQUEST_SIZE_MATCH(xXDGASetModeReq); rep.type = X_Reply; rep.length = 0; rep.offset = 0; @@ -1533,14 +1536,14 @@ ProcXDGASetViewport(ClientPtr client) { REQUEST(xXDGASetViewportReq); + REQUEST_SIZE_MATCH(xXDGASetViewportReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (DGA_GETCLIENT(stuff->screen) != client) return DGAErrorBase + XF86DGADirectNotActivated; - REQUEST_SIZE_MATCH(xXDGASetViewportReq); - DGASetViewport(stuff->screen, stuff->x, stuff->y, stuff->flags); return Success; @@ -1554,14 +1557,14 @@ ProcXDGAInstallColormap(ClientPtr client REQUEST(xXDGAInstallColormapReq); + REQUEST_SIZE_MATCH(xXDGAInstallColormapReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (DGA_GETCLIENT(stuff->screen) != client) return DGAErrorBase + XF86DGADirectNotActivated; - REQUEST_SIZE_MATCH(xXDGAInstallColormapReq); - rc = dixLookupResourceByType((void **) &cmap, stuff->cmap, RT_COLORMAP, client, DixInstallAccess); if (rc != Success) @@ -1575,14 +1578,14 @@ ProcXDGASelectInput(ClientPtr client) { REQUEST(xXDGASelectInputReq); + REQUEST_SIZE_MATCH(xXDGASelectInputReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (DGA_GETCLIENT(stuff->screen) != client) return DGAErrorBase + XF86DGADirectNotActivated; - REQUEST_SIZE_MATCH(xXDGASelectInputReq); - if (DGA_GETCLIENT(stuff->screen) == client) DGASelectInput(stuff->screen, client, stuff->mask); @@ -1594,14 +1597,14 @@ ProcXDGAFillRectangle(ClientPtr client) { REQUEST(xXDGAFillRectangleReq); + REQUEST_SIZE_MATCH(xXDGAFillRectangleReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (DGA_GETCLIENT(stuff->screen) != client) return DGAErrorBase + XF86DGADirectNotActivated; - REQUEST_SIZE_MATCH(xXDGAFillRectangleReq); - if (Success != DGAFillRect(stuff->screen, stuff->x, stuff->y, stuff->width, stuff->height, stuff->color)) return BadMatch; @@ -1614,14 +1617,14 @@ ProcXDGACopyArea(ClientPtr client) { REQUEST(xXDGACopyAreaReq); + REQUEST_SIZE_MATCH(xXDGACopyAreaReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (DGA_GETCLIENT(stuff->screen) != client) return DGAErrorBase + XF86DGADirectNotActivated; - REQUEST_SIZE_MATCH(xXDGACopyAreaReq); - if (Success != DGABlitRect(stuff->screen, stuff->srcx, stuff->srcy, stuff->width, stuff->height, stuff->dstx, stuff->dsty)) @@ -1635,14 +1638,14 @@ ProcXDGACopyTransparentArea(ClientPtr cl { REQUEST(xXDGACopyTransparentAreaReq); + REQUEST_SIZE_MATCH(xXDGACopyTransparentAreaReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (DGA_GETCLIENT(stuff->screen) != client) return DGAErrorBase + XF86DGADirectNotActivated; - REQUEST_SIZE_MATCH(xXDGACopyTransparentAreaReq); - if (Success != DGABlitTransRect(stuff->screen, stuff->srcx, stuff->srcy, stuff->width, stuff->height, stuff->dstx, stuff->dsty, stuff->key)) @@ -1657,13 +1660,14 @@ ProcXDGAGetViewportStatus(ClientPtr clie REQUEST(xXDGAGetViewportStatusReq); xXDGAGetViewportStatusReply rep; + REQUEST_SIZE_MATCH(xXDGAGetViewportStatusReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (DGA_GETCLIENT(stuff->screen) != client) return DGAErrorBase + XF86DGADirectNotActivated; - REQUEST_SIZE_MATCH(xXDGAGetViewportStatusReq); rep.type = X_Reply; rep.length = 0; rep.sequenceNumber = client->sequence; @@ -1680,13 +1684,14 @@ ProcXDGASync(ClientPtr client) REQUEST(xXDGASyncReq); xXDGASyncReply rep; + REQUEST_SIZE_MATCH(xXDGASyncReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (DGA_GETCLIENT(stuff->screen) != client) return DGAErrorBase + XF86DGADirectNotActivated; - REQUEST_SIZE_MATCH(xXDGASyncReq); rep.type = X_Reply; rep.length = 0; rep.sequenceNumber = client->sequence; @@ -1725,13 +1730,14 @@ ProcXDGAChangePixmapMode(ClientPtr clien xXDGAChangePixmapModeReply rep; int x, y; + REQUEST_SIZE_MATCH(xXDGAChangePixmapModeReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (DGA_GETCLIENT(stuff->screen) != client) return DGAErrorBase + XF86DGADirectNotActivated; - REQUEST_SIZE_MATCH(xXDGAChangePixmapModeReq); rep.type = X_Reply; rep.length = 0; rep.sequenceNumber = client->sequence; @@ -1755,14 +1761,14 @@ ProcXDGACreateColormap(ClientPtr client) REQUEST(xXDGACreateColormapReq); int result; + REQUEST_SIZE_MATCH(xXDGACreateColormapReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (DGA_GETCLIENT(stuff->screen) != client) return DGAErrorBase + XF86DGADirectNotActivated; - REQUEST_SIZE_MATCH(xXDGACreateColormapReq); - if (!stuff->mode) return BadValue; @@ -1791,10 +1797,11 @@ ProcXF86DGAGetVideoLL(ClientPtr client) int num, offset, flags; char *name; + REQUEST_SIZE_MATCH(xXF86DGAGetVideoLLReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; - REQUEST_SIZE_MATCH(xXF86DGAGetVideoLLReq); rep.type = X_Reply; rep.length = 0; rep.sequenceNumber = client->sequence; @@ -1831,9 +1838,10 @@ ProcXF86DGADirectVideo(ClientPtr client) REQUEST(xXF86DGADirectVideoReq); + REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; - REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq); if (!DGAAvailable(stuff->screen)) return DGAErrorBase + XF86DGANoDirectVideoMode; @@ -1889,10 +1897,11 @@ ProcXF86DGAGetViewPortSize(ClientPtr cli REQUEST(xXF86DGAGetViewPortSizeReq); xXF86DGAGetViewPortSizeReply rep; + REQUEST_SIZE_MATCH(xXF86DGAGetViewPortSizeReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; - REQUEST_SIZE_MATCH(xXF86DGAGetViewPortSizeReq); rep.type = X_Reply; rep.length = 0; rep.sequenceNumber = client->sequence; @@ -1917,14 +1926,14 @@ ProcXF86DGASetViewPort(ClientPtr client) { REQUEST(xXF86DGASetViewPortReq); + REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (DGA_GETCLIENT(stuff->screen) != client) return DGAErrorBase + XF86DGADirectNotActivated; - REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq); - if (!DGAAvailable(stuff->screen)) return DGAErrorBase + XF86DGANoDirectVideoMode; @@ -1944,10 +1953,11 @@ ProcXF86DGAGetVidPage(ClientPtr client) REQUEST(xXF86DGAGetVidPageReq); xXF86DGAGetVidPageReply rep; + REQUEST_SIZE_MATCH(xXF86DGAGetVidPageReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; - REQUEST_SIZE_MATCH(xXF86DGAGetVidPageReq); rep.type = X_Reply; rep.length = 0; rep.sequenceNumber = client->sequence; @@ -1962,11 +1972,11 @@ ProcXF86DGASetVidPage(ClientPtr client) { REQUEST(xXF86DGASetVidPageReq); + REQUEST_SIZE_MATCH(xXF86DGASetVidPageReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; - REQUEST_SIZE_MATCH(xXF86DGASetVidPageReq); - /* silently fail */ return Success; @@ -1980,14 +1990,14 @@ ProcXF86DGAInstallColormap(ClientPtr cli REQUEST(xXF86DGAInstallColormapReq); + REQUEST_SIZE_MATCH(xXF86DGAInstallColormapReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (DGA_GETCLIENT(stuff->screen) != client) return DGAErrorBase + XF86DGADirectNotActivated; - REQUEST_SIZE_MATCH(xXF86DGAInstallColormapReq); - if (!DGAActive(stuff->screen)) return DGAErrorBase + XF86DGADirectNotActivated; @@ -2008,10 +2018,11 @@ ProcXF86DGAQueryDirectVideo(ClientPtr cl REQUEST(xXF86DGAQueryDirectVideoReq); xXF86DGAQueryDirectVideoReply rep; + REQUEST_SIZE_MATCH(xXF86DGAQueryDirectVideoReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; - REQUEST_SIZE_MATCH(xXF86DGAQueryDirectVideoReq); rep.type = X_Reply; rep.length = 0; rep.sequenceNumber = client->sequence; @@ -2030,14 +2041,14 @@ ProcXF86DGAViewPortChanged(ClientPtr cli REQUEST(xXF86DGAViewPortChangedReq); xXF86DGAViewPortChangedReply rep; + REQUEST_SIZE_MATCH(xXF86DGAViewPortChangedReq); + if (stuff->screen >= screenInfo.numScreens) return BadValue; if (DGA_GETCLIENT(stuff->screen) != client) return DGAErrorBase + XF86DGADirectNotActivated; - REQUEST_SIZE_MATCH(xXF86DGAViewPortChangedReq); - if (!DGAActive(stuff->screen)) return DGAErrorBase + XF86DGADirectNotActivated; Index: xsrc/external/mit/xorg-server/dist/hw/xfree86/dri/xf86dri.c diff -u xsrc/external/mit/xorg-server/dist/hw/xfree86/dri/xf86dri.c:1.1.1.5 xsrc/external/mit/xorg-server/dist/hw/xfree86/dri/xf86dri.c:1.2 --- xsrc/external/mit/xorg-server/dist/hw/xfree86/dri/xf86dri.c:1.1.1.5 Wed Aug 10 07:44:34 2016 +++ xsrc/external/mit/xorg-server/dist/hw/xfree86/dri/xf86dri.c Sat Nov 4 21:49:32 2017 @@ -570,6 +570,7 @@ static int SProcXF86DRIQueryDirectRenderingCapable(register ClientPtr client) { REQUEST(xXF86DRIQueryDirectRenderingCapableReq); + REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq); swaps(&stuff->length); swapl(&stuff->screen); return ProcXF86DRIQueryDirectRenderingCapable(client); Index: xsrc/external/mit/xorg-server/dist/pseudoramiX/pseudoramiX.c diff -u xsrc/external/mit/xorg-server/dist/pseudoramiX/pseudoramiX.c:1.1.1.1 xsrc/external/mit/xorg-server/dist/pseudoramiX/pseudoramiX.c:1.2 --- xsrc/external/mit/xorg-server/dist/pseudoramiX/pseudoramiX.c:1.1.1.1 Wed Aug 10 07:44:31 2016 +++ xsrc/external/mit/xorg-server/dist/pseudoramiX/pseudoramiX.c Sat Nov 4 21:49:32 2017 @@ -297,10 +297,11 @@ ProcPseudoramiXGetScreenSize(ClientPtr c TRACE; + REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq); + if (stuff->screen >= pseudoramiXNumScreens) return BadMatch; - REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq); rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); if (rc != Success) return rc; Index: xsrc/external/mit/xorg-server/dist/render/render.c diff -u xsrc/external/mit/xorg-server/dist/render/render.c:1.3 xsrc/external/mit/xorg-server/dist/render/render.c:1.4 --- xsrc/external/mit/xorg-server/dist/render/render.c:1.3 Thu Aug 11 00:04:35 2016 +++ xsrc/external/mit/xorg-server/dist/render/render.c Sat Nov 4 21:49:33 2017 @@ -1771,6 +1771,9 @@ ProcRenderSetPictureFilter(ClientPtr cli name = (char *) (stuff + 1); params = (xFixed *) (name + pad_to_int32(stuff->nbytes)); nparams = ((xFixed *) stuff + client->req_len) - params; + if (nparams < 0) + return BadLength; + result = SetPictureFilter(pPicture, name, stuff->nbytes, params, nparams); return result; } Index: xsrc/external/mit/xorg-server/dist/xfixes/cursor.c diff -u xsrc/external/mit/xorg-server/dist/xfixes/cursor.c:1.1.1.7 xsrc/external/mit/xorg-server/dist/xfixes/cursor.c:1.2 --- xsrc/external/mit/xorg-server/dist/xfixes/cursor.c:1.1.1.7 Wed Aug 10 07:44:31 2016 +++ xsrc/external/mit/xorg-server/dist/xfixes/cursor.c Sat Nov 4 21:49:33 2017 @@ -280,6 +280,7 @@ int SProcXFixesSelectCursorInput(ClientPtr client) { REQUEST(xXFixesSelectCursorInputReq); + REQUEST_SIZE_MATCH(xXFixesSelectCursorInputReq); swaps(&stuff->length); swapl(&stuff->window); @@ -413,7 +414,7 @@ ProcXFixesSetCursorName(ClientPtr client REQUEST(xXFixesSetCursorNameReq); Atom atom; - REQUEST_AT_LEAST_SIZE(xXFixesSetCursorNameReq); + REQUEST_FIXED_SIZE(xXFixesSetCursorNameReq, stuff->nbytes); VERIFY_CURSOR(pCursor, stuff->cursor, client, DixSetAttrAccess); tchar = (char *) &stuff[1]; atom = MakeAtom(tchar, stuff->nbytes, TRUE); @@ -1006,6 +1007,8 @@ SProcXFixesCreatePointerBarrier(ClientPt int i; CARD16 *in_devices = (CARD16 *) &stuff[1]; + REQUEST_AT_LEAST_SIZE(xXFixesCreatePointerBarrierReq); + swaps(&stuff->length); swaps(&stuff->num_devices); REQUEST_FIXED_SIZE(xXFixesCreatePointerBarrierReq, pad_to_int32(stuff->num_devices)); Index: xsrc/external/mit/xorg-server/dist/xfixes/region.c diff -u xsrc/external/mit/xorg-server/dist/xfixes/region.c:1.1.1.6 xsrc/external/mit/xorg-server/dist/xfixes/region.c:1.2 --- xsrc/external/mit/xorg-server/dist/xfixes/region.c:1.1.1.6 Wed Aug 10 07:44:31 2016 +++ xsrc/external/mit/xorg-server/dist/xfixes/region.c Sat Nov 4 21:49:33 2017 @@ -359,6 +359,7 @@ ProcXFixesCopyRegion(ClientPtr client) RegionPtr pSource, pDestination; REQUEST(xXFixesCopyRegionReq); + REQUEST_SIZE_MATCH(xXFixesCopyRegionReq); VERIFY_REGION(pSource, stuff->source, client, DixReadAccess); VERIFY_REGION(pDestination, stuff->destination, client, DixWriteAccess); @@ -375,7 +376,7 @@ SProcXFixesCopyRegion(ClientPtr client) REQUEST(xXFixesCopyRegionReq); swaps(&stuff->length); - REQUEST_AT_LEAST_SIZE(xXFixesCopyRegionReq); + REQUEST_SIZE_MATCH(xXFixesCopyRegionReq); swapl(&stuff->source); swapl(&stuff->destination); return (*ProcXFixesVector[stuff->xfixesReqType]) (client); Index: xsrc/external/mit/xorg-server/dist/xfixes/saveset.c diff -u xsrc/external/mit/xorg-server/dist/xfixes/saveset.c:1.1.1.4 xsrc/external/mit/xorg-server/dist/xfixes/saveset.c:1.2 --- xsrc/external/mit/xorg-server/dist/xfixes/saveset.c:1.1.1.4 Wed Aug 10 07:44:31 2016 +++ xsrc/external/mit/xorg-server/dist/xfixes/saveset.c Sat Nov 4 21:49:33 2017 @@ -62,6 +62,7 @@ int SProcXFixesChangeSaveSet(ClientPtr client) { REQUEST(xXFixesChangeSaveSetReq); + REQUEST_SIZE_MATCH(xXFixesChangeSaveSetReq); swaps(&stuff->length); swapl(&stuff->window); Index: xsrc/external/mit/xorg-server/dist/xfixes/xfixes.c diff -u xsrc/external/mit/xorg-server/dist/xfixes/xfixes.c:1.1.1.5 xsrc/external/mit/xorg-server/dist/xfixes/xfixes.c:1.2 --- xsrc/external/mit/xorg-server/dist/xfixes/xfixes.c:1.1.1.5 Wed Aug 10 07:44:31 2016 +++ xsrc/external/mit/xorg-server/dist/xfixes/xfixes.c Sat Nov 4 21:49:33 2017 @@ -160,6 +160,7 @@ static int SProcXFixesQueryVersion(ClientPtr client) { REQUEST(xXFixesQueryVersionReq); + REQUEST_SIZE_MATCH(xXFixesQueryVersionReq); swaps(&stuff->length); swapl(&stuff->majorVersion);