[FFmpeg-cvslog] avcodec/twinvqdec: Correct overflow in block align check
ffmpeg | branch: release/2.8 | Michael Niedermayer | Tue Dec 3 19:48:46 2019 +0100| [97bc7ddc16babdacd310c4d5aa4e6f1e474d5b63] | committer: Michael Niedermayer avcodec/twinvqdec: Correct overflow in block align check Fixes: signed integer overflow: 538976288 * 8 cannot be represented in type 'int' Fixes: 19126/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TWINVQ_fuzzer-5687464110325760 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer (cherry picked from commit 4dc93ae3d725e892927f04002021337c2f90252a) Signed-off-by: Michael Niedermayer > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=97bc7ddc16babdacd310c4d5aa4e6f1e474d5b63 --- libavcodec/twinvqdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/twinvqdec.c b/libavcodec/twinvqdec.c index 5f4dd350a0..51b863507a 100644 --- a/libavcodec/twinvqdec.c +++ b/libavcodec/twinvqdec.c @@ -404,7 +404,7 @@ static av_cold int twinvq_decode_init(AVCodecContext *avctx) tctx->frame_size = avctx->bit_rate * tctx->mtab->size / avctx->sample_rate + 8; tctx->is_6kbps = 0; -if (avctx->block_align && avctx->block_align * 8 / tctx->frame_size > 1) { +if (avctx->block_align && avctx->block_align * 8LL / tctx->frame_size > 1) { av_log(avctx, AV_LOG_ERROR, "VQF TwinVQ should have only one frame per packet\n"); return AVERROR_INVALIDDATA; ___ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-cvslog] avcodec/twinvqdec: Correct overflow in block align check
ffmpeg | branch: master | Michael Niedermayer | Tue Dec 3 19:48:46 2019 +0100| [4dc93ae3d725e892927f04002021337c2f90252a] | committer: Michael Niedermayer avcodec/twinvqdec: Correct overflow in block align check Fixes: signed integer overflow: 538976288 * 8 cannot be represented in type 'int' Fixes: 19126/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TWINVQ_fuzzer-5687464110325760 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4dc93ae3d725e892927f04002021337c2f90252a --- libavcodec/twinvqdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/twinvqdec.c b/libavcodec/twinvqdec.c index c2353f51b5..c00ebb2ad5 100644 --- a/libavcodec/twinvqdec.c +++ b/libavcodec/twinvqdec.c @@ -404,7 +404,7 @@ static av_cold int twinvq_decode_init(AVCodecContext *avctx) tctx->frame_size = avctx->bit_rate * tctx->mtab->size / avctx->sample_rate + 8; tctx->is_6kbps = 0; -if (avctx->block_align && avctx->block_align * 8 / tctx->frame_size > 1) { +if (avctx->block_align && avctx->block_align * 8LL / tctx->frame_size > 1) { av_log(avctx, AV_LOG_ERROR, "VQF TwinVQ should have only one frame per packet\n"); return AVERROR_INVALIDDATA; ___ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".