summaryrefslogtreecommitdiff
path: root/gnu/packages/patches/icecat-CVE-2015-2710-pt1.patch
diff options
context:
space:
mode:
Diffstat (limited to 'gnu/packages/patches/icecat-CVE-2015-2710-pt1.patch')
-rw-r--r--gnu/packages/patches/icecat-CVE-2015-2710-pt1.patch199
1 files changed, 0 insertions, 199 deletions
diff --git a/gnu/packages/patches/icecat-CVE-2015-2710-pt1.patch b/gnu/packages/patches/icecat-CVE-2015-2710-pt1.patch
deleted file mode 100644
index 4f119f6fe9..0000000000
--- a/gnu/packages/patches/icecat-CVE-2015-2710-pt1.patch
+++ /dev/null
@@ -1,199 +0,0 @@
-From 0bd8486f4088c0845514986f61861688e0be011d Mon Sep 17 00:00:00 2001
-From: Cameron McCormack <cam@mcc.id.au>
-Date: Mon, 6 Apr 2015 09:11:55 -0400
-Subject: [PATCH] Bug 1149542 - Part 1: Return early from SVG text layout if we
- discover mPositions is not long enough. r=dholbert, a=sledru
-
----
- layout/svg/SVGTextFrame.cpp | 59 +++++++++++++++++++++++++++++++--------------
- layout/svg/SVGTextFrame.h | 23 ++++++++++++------
- 2 files changed, 56 insertions(+), 26 deletions(-)
-
-diff --git a/layout/svg/SVGTextFrame.cpp b/layout/svg/SVGTextFrame.cpp
-index 721e699..45327881 100644
---- a/layout/svg/SVGTextFrame.cpp
-+++ b/layout/svg/SVGTextFrame.cpp
-@@ -14,6 +14,7 @@
- #include "gfxTypes.h"
- #include "LookAndFeel.h"
- #include "mozilla/gfx/2D.h"
-+#include "mozilla/Likely.h"
- #include "nsAlgorithm.h"
- #include "nsBlockFrame.h"
- #include "nsCaret.h"
-@@ -4316,23 +4317,28 @@ ShouldStartRunAtIndex(const nsTArray<CharPosition>& aPositions,
- return false;
- }
-
--uint32_t
--SVGTextFrame::ResolvePositions(nsIContent* aContent,
-- uint32_t aIndex,
-- bool aInTextPath,
-- bool& aForceStartOfChunk,
-- nsTArray<gfxPoint>& aDeltas)
-+bool
-+SVGTextFrame::ResolvePositionsForNode(nsIContent* aContent,
-+ uint32_t& aIndex,
-+ bool aInTextPath,
-+ bool& aForceStartOfChunk,
-+ nsTArray<gfxPoint>& aDeltas)
- {
- if (aContent->IsNodeOfType(nsINode::eTEXT)) {
- // We found a text node.
- uint32_t length = static_cast<nsTextNode*>(aContent)->TextLength();
- if (length) {
-+ uint32_t end = aIndex + length;
-+ if (MOZ_UNLIKELY(end > mPositions.Length())) {
-+ MOZ_ASSERT_UNREACHABLE("length of mPositions does not match characters "
-+ "found by iterating content");
-+ return false;
-+ }
- if (aForceStartOfChunk) {
- // Note this character as starting a new anchored chunk.
- mPositions[aIndex].mStartOfChunk = true;
- aForceStartOfChunk = false;
- }
-- uint32_t end = aIndex + length;
- while (aIndex < end) {
- // Record whether each of these characters should start a new rendered
- // run. That is always the case for characters on a text path.
-@@ -4345,18 +4351,23 @@ SVGTextFrame::ResolvePositions(nsIContent* aContent,
- aIndex++;
- }
- }
-- return aIndex;
-+ return true;
- }
-
- // Skip past elements that aren't text content elements.
- if (!IsTextContentElement(aContent)) {
-- return aIndex;
-+ return true;
- }
-
- if (aContent->Tag() == nsGkAtoms::textPath) {
- // <textPath> elements are as if they are specified with x="0" y="0", but
- // only if they actually have some text content.
- if (HasTextContent(aContent)) {
-+ if (MOZ_UNLIKELY(aIndex >= mPositions.Length())) {
-+ MOZ_ASSERT_UNREACHABLE("length of mPositions does not match characters "
-+ "found by iterating content");
-+ return false;
-+ }
- mPositions[aIndex].mPosition = gfxPoint();
- mPositions[aIndex].mStartOfChunk = true;
- }
-@@ -4376,8 +4387,14 @@ SVGTextFrame::ResolvePositions(nsIContent* aContent,
- rotate = &animatedRotate->GetAnimValue();
- }
-
-- uint32_t count = GetTextContentLength(aContent);
- bool percentages = false;
-+ uint32_t count = GetTextContentLength(aContent);
-+
-+ if (MOZ_UNLIKELY(aIndex + count > mPositions.Length())) {
-+ MOZ_ASSERT_UNREACHABLE("length of mPositions does not match characters "
-+ "found by iterating content");
-+ return false;
-+ }
-
- // New text anchoring chunks start at each character assigned a position
- // with x="" or y="", or if we forced one with aForceStartOfChunk due to
-@@ -4456,8 +4473,11 @@ SVGTextFrame::ResolvePositions(nsIContent* aContent,
- for (nsIContent* child = aContent->GetFirstChild();
- child;
- child = child->GetNextSibling()) {
-- aIndex = ResolvePositions(child, aIndex, inTextPath, aForceStartOfChunk,
-- aDeltas);
-+ bool ok = ResolvePositionsForNode(child, aIndex, inTextPath,
-+ aForceStartOfChunk, aDeltas);
-+ if (!ok) {
-+ return false;
-+ }
- }
-
- if (aContent->Tag() == nsGkAtoms::textPath) {
-@@ -4465,7 +4485,7 @@ SVGTextFrame::ResolvePositions(nsIContent* aContent,
- aForceStartOfChunk = true;
- }
-
-- return aIndex;
-+ return true;
- }
-
- bool
-@@ -4501,8 +4521,10 @@ SVGTextFrame::ResolvePositions(nsTArray<gfxPoint>& aDeltas,
-
- // Recurse over the content and fill in character positions as we go.
- bool forceStartOfChunk = false;
-- return ResolvePositions(mContent, 0, aRunPerGlyph,
-- forceStartOfChunk, aDeltas) != 0;
-+ index = 0;
-+ bool ok = ResolvePositionsForNode(mContent, index, aRunPerGlyph,
-+ forceStartOfChunk, aDeltas);
-+ return ok && index > 0;
- }
-
- void
-@@ -4958,9 +4980,10 @@ SVGTextFrame::DoGlyphPositioning()
- // Get the x, y, dx, dy, rotate values for the subtree.
- nsTArray<gfxPoint> deltas;
- if (!ResolvePositions(deltas, adjustingTextLength)) {
-- // If ResolvePositions returned false, it means that there were some
-- // characters in the DOM but none of them are displayed. Clear out
-- // mPositions so that we don't attempt to do any painting later.
-+ // If ResolvePositions returned false, it means either there were some
-+ // characters in the DOM but none of them are displayed, or there was
-+ // an error in processing mPositions. Clear out mPositions so that we don't
-+ // attempt to do any painting later.
- mPositions.Clear();
- return;
- }
-diff --git a/layout/svg/SVGTextFrame.h b/layout/svg/SVGTextFrame.h
-index 48951f7..912af8b 100644
---- a/layout/svg/SVGTextFrame.h
-+++ b/layout/svg/SVGTextFrame.h
-@@ -505,15 +505,18 @@ private:
- * Recursive helper for ResolvePositions below.
- *
- * @param aContent The current node.
-- * @param aIndex The current character index.
-+ * @param aIndex (in/out) The current character index.
- * @param aInTextPath Whether we are currently under a <textPath> element.
-- * @param aForceStartOfChunk Whether the next character we find should start a
-- * new anchored chunk.
-- * @return The character index we got up to.
-+ * @param aForceStartOfChunk (in/out) Whether the next character we find
-+ * should start a new anchored chunk.
-+ * @param aDeltas (in/out) Receives the resolved dx/dy values for each
-+ * character.
-+ * @return false if we discover that mPositions did not have enough
-+ * elements; true otherwise.
- */
-- uint32_t ResolvePositions(nsIContent* aContent, uint32_t aIndex,
-- bool aInTextPath, bool& aForceStartOfChunk,
-- nsTArray<gfxPoint>& aDeltas);
-+ bool ResolvePositionsForNode(nsIContent* aContent, uint32_t& aIndex,
-+ bool aInTextPath, bool& aForceStartOfChunk,
-+ nsTArray<gfxPoint>& aDeltas);
-
- /**
- * Initializes mPositions with character position information based on
-@@ -521,9 +524,13 @@ private:
- * was not given for that character. Also fills aDeltas with values based on
- * dx/dy attributes.
- *
-+ * @param aDeltas (in/out) Receives the resolved dx/dy values for each
-+ * character.
- * @param aRunPerGlyph Whether mPositions should record that a new run begins
- * at each glyph.
-- * @return True if we recorded any positions.
-+ * @return false if we did not record any positions (due to having no
-+ * displayed characters) or if we discover that mPositions did not have
-+ * enough elements; true otherwise.
- */
- bool ResolvePositions(nsTArray<gfxPoint>& aDeltas, bool aRunPerGlyph);
-
---
-2.2.1
-
generated by cgit v1.2.3 (git 2.45.2) at 2024-07-25 20:15:52 +0000