patches/to_upstream/44_vorbis_oob_read.patch - Issue 8365014: Avoid the possibility to read out-of-bounds of a static global array in Vorbis

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Side by Side Diff: patches/to_upstream/44_vorbis_oob_read.patch

Issue 8365014: Avoid the possibility to read out-of-bounds of a static global array in Vorbis (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/ffmpeg/

Patch Set: Created 9 years, 2 months ago

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	1 diff -wurp -N orig/libavcodec/vorbis.c patched-ffmpeg/libavcodec/vorbis.c

	2 --- orig/libavcodec/vorbis.c 2011-10-20 15:33:53.446580551 -0700

	3 +++ patched-ffmpeg/libavcodec/vorbis.c 2011-10-20 15:34:15.605319551 -0700

	4 @@ -150,7 +150,7 @@ void ff_vorbis_ready_floor1_list(vorbis_

	5 }

	6 }

	7

	8 -static inline void render_line_unrolled(intptr_t x, intptr_t y, int x1,

	9 +static inline void render_line_unrolled(intptr_t x, unsigned char y, int x1,

	10 intptr_t sy, int ady, int adx,

	11 float *buf)

	12 {

	13 @@ -185,7 +185,7 @@ static void render_line(int x0, int y0,

	14 } else {

	15 int base = dy / adx;

	16 int x = x0;

	17 - int y = y0;

	18 + unsigned char y = y0;

	19 int err = -adx;

	20 ady -= FFABS(base) * adx;

	21 while (++x < x1) {

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