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Code Issues Releases Activity

avcodec/vp56: Fix sign typo

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Fixes: 664/clusterfuzz-testcase-4917047475568640

The change to fate is due to a truncated last frames which is now detected as damaged.

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-02-24 21:05:33 +01:00
parent 5d81616be3
commit 513a349439
3 changed files with 3 additions and 3 deletions
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2
libavcodec/vp5.c
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@ -180,7 +180,7 @@ static int vp5_parse_coeff(VP56Context *s)
int b, i, cg, idx, ctx, ctx_last;
int pt = 0; /* plane type (0 for Y, 1 for U or V) */
if (c->end >= c->buffer && c->bits >= 0) {
if (c->end <= c->buffer && c->bits >= 0) {
av_log(s->avctx, AV_LOG_ERROR, "End of AC stream reached in vp5_parse_coeff\n");
return AVERROR_INVALIDDATA;
}

2
libavcodec/vp6.c
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@ -450,7 +450,7 @@ static int vp6_parse_coeff(VP56Context *s)
int b, i, cg, idx, ctx;
int pt = 0; /* plane type (0 for Y, 1 for U or V) */
if (c->end >= c->buffer && c->bits >= 0) {
if (c->end <= c->buffer && c->bits >= 0) {
av_log(s->avctx, AV_LOG_ERROR, "End of AC stream reached in vp6_parse_coeff\n");
return AVERROR_INVALIDDATA;
}

2
tests/ref/fate/vp5
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@ -249,4 +249,4 @@
0, 243, 243, 1, 233472, 0x6f530ac6
0, 244, 244, 1, 233472, 0x94f7466c
0, 245, 245, 1, 233472, 0xa8c1d365
0, 246, 246, 1, 233472, 0xedcff050
0, 246, 246, 1, 233472, 0x8843293b