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Code Issues Releases Activity

avcodec/utils: correct align value for interplay

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Fixes out of array access
Fixes: 452/fuzz-1-ffmpeg_VIDEO_AV_CODEC_ID_INTERPLAY_VIDEO_fuzzer

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 2017-01-25 00:20:19 +01:00
parent 0b607228bf
commit 2080bc3371
1 changed files with 6 additions and 1 deletions
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7
libavcodec/utils.c
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@ -376,6 +376,10 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
w_align = 4;
h_align = 4;
}
if (s->codec_id == AV_CODEC_ID_INTERPLAY_VIDEO) {
w_align = 8;
h_align = 8;
}
break;
case AV_PIX_FMT_PAL8:
case AV_PIX_FMT_BGR8:
@ -385,7 +389,8 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
w_align = 4;
h_align = 4;
}
if (s->codec_id == AV_CODEC_ID_JV) {
if (s->codec_id == AV_CODEC_ID_JV ||
s->codec_id == AV_CODEC_ID_INTERPLAY_VIDEO) {
w_align = 8;
h_align = 8;
}