chromium/patches/from_upstream/51_vp3_coefficient_overflow.patch - Issue 9290059: Initial commit of all previous Chrome build scripts.

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Unified Diff: chromium/patches/from_upstream/51_vp3_coefficient_overflow.patch

Issue 9290059: Initial commit of all previous Chrome build scripts. (Closed) Base URL: http://git.chromium.org/chromium/third_party/ffmpeg.git@master

Patch Set: Drop deprecated subfolder. Created 8 years, 11 months ago

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Index: chromium/patches/from_upstream/51_vp3_coefficient_overflow.patch

diff --git a/chromium/patches/from_upstream/51_vp3_coefficient_overflow.patch b/chromium/patches/from_upstream/51_vp3_coefficient_overflow.patch

new file mode 100644

index 0000000000000000000000000000000000000000..a507a51ed70d6996e9f3dbc74bb9539a7e67a8ec

--- /dev/null

+++ b/chromium/patches/from_upstream/51_vp3_coefficient_overflow.patch

@@ -0,0 +1,15 @@

+diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c

+index 549f494..2f07af8 100644

+--- a/libavcodec/vp3.c

++++ b/libavcodec/vp3.c

+@@ -1308,6 +1308,10 @@ static inline int vp3_dequant(Vp3DecodeContext *s, Vp3Fragment *frag,

+ case 1: // zero run

+ s->dct_tokens[plane][i]++;

+ i += (token >> 2) & 0x7f;

++ if(i>63){

++ av_log(s->avctx, AV_LOG_ERROR, "Coefficient index overflow\n");

++ return -1;

++ }

+ block[perm[i]] = (token >> 9) * dequantizer[perm[i]];

+ i++;

+ break;