debian/changelog | 2
debian/patches/19-compresize-fix.diff | 319 ++++++++++++++++++++++++++++++++++
debian/patches/series | 1
3 files changed, 322 insertions(+)
New commits:
commit e42902c2044c0a4ed363698966c0cfc0d528dcd7
Author: Julien Cristau <jcris...@debian.org>
Date: Mon Jul 5 00:04:03 2010 +0100
Fix crash in composite on big allocation
Add patch from Dave Airlie to fix crash in composite on allocation failure
(closes: #588046).
diff --git a/debian/changelog b/debian/changelog
index 928c2af..b85f3d8 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -4,6 +4,8 @@ xorg-server (2:1.7.7-3) UNRELEASED; urgency=low
* Add Breaks on drivers abandoned between lenny and squeeze. This helps apt
decide to remove them instead of removing all of X. Thanks, David
Kalnischkies!
+ * Add patch from Dave Airlie to fix crash in composite on allocation
+ failure (closes: #588046).
-- Julien Cristau <jcris...@debian.org> Thu, 17 Jun 2010 15:15:20 +0100
diff --git a/debian/patches/19-compresize-fix.diff
b/debian/patches/19-compresize-fix.diff
new file mode 100644
index 0000000..a211093
--- /dev/null
+++ b/debian/patches/19-compresize-fix.diff
@@ -0,0 +1,319 @@
+From 08bc76d60fdd39cf6d09e28070f37a0ad620adab Mon Sep 17 00:00:00 2001
+From: Fedora X Ninjas <airl...@redhat.com>
+Date: Fri, 4 Jun 2010 11:02:58 +1000
+Subject: [PATCH 2/8] composite fixes backported
+
+squashes three upstream patches
+composite: use config notify hook to do pixmap resize. (v3) - backported to
avoid ABI breakage
+composite: initialise pOldPixmap to NullPixmap at alloc time.
+composite: fix freeing of old pixmap until after move/resize/cbw
+
+misapplied - fixup
+---
+ composite/compalloc.c | 1 +
+ composite/compinit.c | 3 +-
+ composite/compint.h | 11 ++--
+ composite/compwindow.c | 124 +++++++++++++++--------------------------------
+ dix/window.c | 18 +++++++-
+ include/window.h | 11 ++++
+ 6 files changed, 77 insertions(+), 91 deletions(-)
+
+diff --git a/composite/compalloc.c b/composite/compalloc.c
+index 73adc72..8a6beb9 100644
+--- a/composite/compalloc.c
++++ b/composite/compalloc.c
+@@ -143,6 +143,7 @@ compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int
update)
+ cw->oldy = COMP_ORIGIN_INVALID;
+ cw->damageRegistered = FALSE;
+ cw->damaged = FALSE;
++ cw->pOldPixmap = NullPixmap;
+ dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, cw);
+ }
+ ccw->next = cw->clients;
+diff --git a/composite/compinit.c b/composite/compinit.c
+index e8b563d..2ee9332 100644
+--- a/composite/compinit.c
++++ b/composite/compinit.c
+@@ -69,6 +69,7 @@ compCloseScreen (int index, ScreenPtr pScreen)
+ pScreen->InstallColormap = cs->InstallColormap;
+ pScreen->ChangeWindowAttributes = cs->ChangeWindowAttributes;
+ pScreen->ReparentWindow = cs->ReparentWindow;
++
+ pScreen->MoveWindow = cs->MoveWindow;
+ pScreen->ResizeWindow = cs->ResizeWindow;
+ pScreen->ChangeBorderWidth = cs->ChangeBorderWidth;
+@@ -389,6 +390,6 @@ compScreenInit (ScreenPtr pScreen)
+ dixSetPrivate(&pScreen->devPrivates, CompScreenPrivateKey, cs);
+
+ RegisterRealChildHeadProc(CompositeRealChildHead);
+-
++ RegisterCompositeConfigNotifyProc(compConfigNotify);
+ return TRUE;
+ }
+diff --git a/composite/compint.h b/composite/compint.h
+index 845a196..a959ad5 100644
+--- a/composite/compint.h
++++ b/composite/compint.h
+@@ -126,14 +126,11 @@ typedef struct _CompScreen {
+ RealizeWindowProcPtr RealizeWindow;
+ UnrealizeWindowProcPtr UnrealizeWindow;
+ ClipNotifyProcPtr ClipNotify;
+- /*
+- * Called from ConfigureWindow, these
+- * three track changes to the offscreen storage
+- * geometry
+- */
++
+ MoveWindowProcPtr MoveWindow;
+ ResizeWindowProcPtr ResizeWindow;
+ ChangeBorderWidthProcPtr ChangeBorderWidth;
++
+ /*
+ * Reparenting has an effect on Subwindows redirect
+ */
+@@ -316,4 +313,8 @@ CompositeRealChildHead (WindowPtr pWin);
+ int
+ DeleteWindowNoInputDevices(pointer value, XID wid);
+
++int
++compConfigNotify(WindowPtr pWin, int x, int y, int w, int h,
++ int bw, WindowPtr pSib);
++
+ #endif /* _COMPINT_H_ */
+diff --git a/composite/compwindow.c b/composite/compwindow.c
+index 2f5a717..550df39 100644
+--- a/composite/compwindow.c
++++ b/composite/compwindow.c
+@@ -334,37 +334,9 @@ compImplicitRedirect (WindowPtr pWin, WindowPtr pParent)
+ return FALSE;
+ }
+
+-void
+-compMoveWindow (WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind)
++static void compFreeOldPixmap(WindowPtr pWin)
+ {
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+- CompScreenPtr cs = GetCompScreen (pScreen);
+-
+- compCheckTree (pScreen);
+- if (pWin->redirectDraw != RedirectDrawNone)
+- {
+- WindowPtr pParent;
+- int draw_x, draw_y;
+- unsigned int w, h, bw;
+-
+- /* if this is a root window, can't be moved */
+- if (!(pParent = pWin->parent))
+- return;
+-
+- bw = wBorderWidth (pWin);
+- draw_x = pParent->drawable.x + x + (int)bw;
+- draw_y = pParent->drawable.y + y + (int)bw;
+- w = pWin->drawable.width;
+- h = pWin->drawable.height;
+- compReallocPixmap (pWin, draw_x, draw_y, w, h, bw);
+- }
+- compCheckTree (pScreen);
+-
+- pScreen->MoveWindow = cs->MoveWindow;
+- (*pScreen->MoveWindow) (pWin, x, y, pSib, kind);
+- cs->MoveWindow = pScreen->MoveWindow;
+- pScreen->MoveWindow = compMoveWindow;
+-
+ if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ CompWindowPtr cw = GetCompWindow (pWin);
+@@ -374,7 +346,19 @@ compMoveWindow (WindowPtr pWin, int x, int y, WindowPtr
pSib, VTKind kind)
+ cw->pOldPixmap = NullPixmap;
+ }
+ }
++}
++void
++compMoveWindow (WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind)
++{
++ ScreenPtr pScreen = pWin->drawable.pScreen;
++ CompScreenPtr cs = GetCompScreen (pScreen);
++
++ pScreen->MoveWindow = cs->MoveWindow;
++ (*pScreen->MoveWindow) (pWin, x, y, pSib, kind);
++ cs->MoveWindow = pScreen->MoveWindow;
++ pScreen->MoveWindow = compMoveWindow;
+
++ compFreeOldPixmap(pWin);
+ compCheckTree (pScreen);
+ }
+
+@@ -385,37 +369,12 @@ compResizeWindow (WindowPtr pWin, int x, int y,
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+
+- compCheckTree (pScreen);
+- if (pWin->redirectDraw != RedirectDrawNone)
+- {
+- WindowPtr pParent;
+- int draw_x, draw_y;
+- unsigned int bw;
+-
+- /* if this is a root window, can't be moved */
+- if (!(pParent = pWin->parent))
+- return;
+-
+- bw = wBorderWidth (pWin);
+- draw_x = pParent->drawable.x + x + (int)bw;
+- draw_y = pParent->drawable.y + y + (int)bw;
+- compReallocPixmap (pWin, draw_x, draw_y, w, h, bw);
+- }
+- compCheckTree (pScreen);
+-
+ pScreen->ResizeWindow = cs->ResizeWindow;
+ (*pScreen->ResizeWindow) (pWin, x, y, w, h, pSib);
+ cs->ResizeWindow = pScreen->ResizeWindow;
+ pScreen->ResizeWindow = compResizeWindow;
+- if (pWin->redirectDraw != RedirectDrawNone)
+- {
+- CompWindowPtr cw = GetCompWindow (pWin);
+- if (cw->pOldPixmap)
+- {
+- (*pScreen->DestroyPixmap) (cw->pOldPixmap);
+- cw->pOldPixmap = NullPixmap;
+- }
+- }
++
++ compFreeOldPixmap(pWin);
+ compCheckTree (pWin->drawable.pScreen);
+ }
+
+@@ -425,38 +384,12 @@ compChangeBorderWidth (WindowPtr pWin, unsigned int bw)
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CompScreenPtr cs = GetCompScreen (pScreen);
+
+- compCheckTree (pScreen);
+- if (pWin->redirectDraw != RedirectDrawNone)
+- {
+- WindowPtr pParent;
+- int draw_x, draw_y;
+- unsigned int w, h;
+-
+- /* if this is a root window, can't be moved */
+- if (!(pParent = pWin->parent))
+- return;
+-
+- draw_x = pWin->drawable.x;
+- draw_y = pWin->drawable.y;
+- w = pWin->drawable.width;
+- h = pWin->drawable.height;
+- compReallocPixmap (pWin, draw_x, draw_y, w, h, bw);
+- }
+- compCheckTree (pScreen);
+-
+ pScreen->ChangeBorderWidth = cs->ChangeBorderWidth;
+ (*pScreen->ChangeBorderWidth) (pWin, bw);
+ cs->ChangeBorderWidth = pScreen->ChangeBorderWidth;
+ pScreen->ChangeBorderWidth = compChangeBorderWidth;
+- if (pWin->redirectDraw != RedirectDrawNone)
+- {
+- CompWindowPtr cw = GetCompWindow (pWin);
+- if (cw->pOldPixmap)
+- {
+- (*pScreen->DestroyPixmap) (cw->pOldPixmap);
+- cw->pOldPixmap = NullPixmap;
+- }
+- }
++
++ compFreeOldPixmap(pWin);
+ compCheckTree (pWin->drawable.pScreen);
+ }
+
+@@ -822,3 +755,26 @@ CompositeRealChildHead (WindowPtr pWin)
+ return pChildBefore;
+ }
+ }
++
++int
++compConfigNotify(WindowPtr pWin, int x, int y, int w, int h,
++ int bw, WindowPtr pSib)
++{
++ ScreenPtr pScreen = pWin->drawable.pScreen;
++ WindowPtr pParent = pWin->parent;
++ int draw_x, draw_y;
++ Bool alloc_ret;
++
++ if (pWin->redirectDraw == RedirectDrawNone)
++ return Success;
++
++ compCheckTree (pScreen);
++
++ draw_x = pParent->drawable.x + x + bw;
++ draw_y = pParent->drawable.y + y + bw;
++ alloc_ret = compReallocPixmap (pWin, draw_x, draw_y, w, h, bw);
++
++ if (alloc_ret == FALSE)
++ return BadAlloc;
++ return Success;
++}
+diff --git a/dix/window.c b/dix/window.c
+index e191f09..e4c850f 100644
+--- a/dix/window.c
++++ b/dix/window.c
+@@ -2104,6 +2104,13 @@ ReflectStackChange(
+ WindowsRestructured ();
+ }
+
++static compositeConfigNotifyProcPtr compositeConfigNotify;
++void
++RegisterCompositeConfigNotifyProc(compositeConfigNotifyProcPtr proc)
++{
++ compositeConfigNotify = proc;
++}
++
+ /*****
+ * ConfigureWindow
+ *****/
+@@ -2220,7 +2227,6 @@ ConfigureWindow(WindowPtr pWin, Mask mask, XID *vlist,
ClientPtr client)
+ else
+ pSib = pWin->nextSib;
+
+-
+ if ((!pWin->overrideRedirect) &&
+ (RedirectSend(pParent)
+ ))
+@@ -2305,6 +2311,16 @@ ConfigureWindow(WindowPtr pWin, Mask mask, XID *vlist,
ClientPtr client)
+ return(Success);
+
+ ActuallyDoSomething:
++ if (compositeConfigNotify)
++ {
++ int ret;
++ ret = compositeConfigNotify(pWin, x, y, w, h, bw, pSib);
++ if (ret) {
++ client->errorValue = 0;
++ return ret;
++ }
++ }
++
+ if (SubStrSend(pWin, pParent))
+ {
+ memset(&event, 0, sizeof(xEvent));
+diff --git a/include/window.h b/include/window.h
+index 6fb2f8c..ea2edab 100644
+--- a/include/window.h
++++ b/include/window.h
+@@ -266,4 +266,15 @@ extern _X_EXPORT void DisableMapUnmapEvents(
+ extern _X_EXPORT void EnableMapUnmapEvents(
+ WindowPtr /* pWin */ );
+
++typedef int (* compositeConfigNotifyProcPtr)(
++ WindowPtr /* pWin */,
++ int /* x */,
++ int /* y */,
++ int /* w */,
++ int /* h */,
++ int /* bw */,
++ WindowPtr /*pSib*/);
++
++_X_EXPORT void RegisterCompositeConfigNotifyProc(compositeConfigNotifyProcPtr
proc);
++
+ #endif /* WINDOW_H */
+--
+1.7.1
+
diff --git a/debian/patches/series b/debian/patches/series
index d2d315c..78f1dcd 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -17,3 +17,4 @@
16-xaa-fbcomposite-fix-negative-size.diff
17-xfree86-saner-conf-search-paths.diff
18-Add-10-evdev.conf.diff
+19-compresize-fix.diff
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