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-rw-r--r--gnu/packages/patches/icecat-CVE-2016-1930-pt14.patch83
1 files changed, 83 insertions, 0 deletions
diff --git a/gnu/packages/patches/icecat-CVE-2016-1930-pt14.patch b/gnu/packages/patches/icecat-CVE-2016-1930-pt14.patch
new file mode 100644
index 0000000000..02c1af1775
--- /dev/null
+++ b/gnu/packages/patches/icecat-CVE-2016-1930-pt14.patch
@@ -0,0 +1,83 @@
+Copied from: https://hg.mozilla.org/releases/mozilla-esr38/rev/94a95291d095
+Security advisory: https://www.mozilla.org/en-US/security/advisories/mfsa2016-01/
+Mozilla Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1224200
+
+# HG changeset patch
+# User Timothy Nikkel <tnikkel@gmail.com>
+# Date 1453303652 -3600
+# Node ID 94a95291d0958439dbed5b7dc99fae59e1318592
+# Parent 999c13acb40e1113306c65925a7d96688339d945
+Bug 1224200 - Allow downscaler to get (and ignore) new input lines after it has finished producing all output lines. r=seth, a=lizzard
+
+diff --git a/image/src/Downscaler.cpp b/image/src/Downscaler.cpp
+--- a/image/src/Downscaler.cpp
++++ b/image/src/Downscaler.cpp
+@@ -145,43 +145,44 @@ GetFilterOffsetAndLength(UniquePtr<skia:
+ aFilterLengthOut);
+ }
+
+ void
+ Downscaler::CommitRow()
+ {
+ MOZ_ASSERT(mOutputBuffer, "Should have a current frame");
+ MOZ_ASSERT(mCurrentInLine < mOriginalSize.height, "Past end of input");
+- MOZ_ASSERT(mCurrentOutLine < mTargetSize.height, "Past end of output");
+
+- int32_t filterOffset = 0;
+- int32_t filterLength = 0;
+- GetFilterOffsetAndLength(mYFilter, mCurrentOutLine,
+- &filterOffset, &filterLength);
++ if (mCurrentOutLine < mTargetSize.height) {
++ int32_t filterOffset = 0;
++ int32_t filterLength = 0;
++ GetFilterOffsetAndLength(mYFilter, mCurrentOutLine,
++ &filterOffset, &filterLength);
+
+- int32_t inLineToRead = filterOffset + mLinesInBuffer;
+- MOZ_ASSERT(mCurrentInLine <= inLineToRead, "Reading past end of input");
+- if (mCurrentInLine == inLineToRead) {
+- skia::ConvolveHorizontally(mRowBuffer.get(), *mXFilter,
+- mWindow[mLinesInBuffer++], mHasAlpha,
+- /* use_sse2 = */ true);
+- }
+-
+- MOZ_ASSERT(mCurrentOutLine < mTargetSize.height,
+- "Writing past end of output");
+-
+- while (mLinesInBuffer == filterLength) {
+- DownscaleInputLine();
+-
+- if (mCurrentOutLine == mTargetSize.height) {
+- break; // We're done.
++ int32_t inLineToRead = filterOffset + mLinesInBuffer;
++ MOZ_ASSERT(mCurrentInLine <= inLineToRead, "Reading past end of input");
++ if (mCurrentInLine == inLineToRead) {
++ skia::ConvolveHorizontally(mRowBuffer.get(), *mXFilter,
++ mWindow[mLinesInBuffer++], mHasAlpha,
++ /* use_sse2 = */ true);
+ }
+
+- GetFilterOffsetAndLength(mYFilter, mCurrentOutLine,
+- &filterOffset, &filterLength);
++ MOZ_ASSERT(mCurrentOutLine < mTargetSize.height,
++ "Writing past end of output");
++
++ while (mLinesInBuffer == filterLength) {
++ DownscaleInputLine();
++
++ if (mCurrentOutLine == mTargetSize.height) {
++ break; // We're done.
++ }
++
++ GetFilterOffsetAndLength(mYFilter, mCurrentOutLine,
++ &filterOffset, &filterLength);
++ }
+ }
+
+ mCurrentInLine += 1;
+ }
+
+ bool
+ Downscaler::HasInvalidation() const
+ {
+