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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-01-25 00:20:19 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-08-23 13:15:16 +0200 |
| commit | 53c6a8d6efe2904f0aefbf5a866cc701dfc3fd96 (patch) | |
| tree | 5bc3efe992847eef5bceb900f2e07bdf56b9a98b | |
| parent | 8106a84204431368c4b9482849811177625ebc2f (diff) | |
| download | ffmpeg-53c6a8d6efe2904f0aefbf5a866cc701dfc3fd96.tar.gz | |
avcodec/utils: correct align value for interplay
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>
(cherry picked from commit 2080bc33717955a0e4268e738acf8c1eeddbf8cb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/utils.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 6ce75ce984..01438cabf1 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -387,6 +387,10 @@ 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: @@ -396,7 +400,8 @@ 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; } |