ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun Dec 1 23:26:47 2019 +0100| [ab3044368f3fc10a3d43718a2bd664be8ce9fdb5] | committer: Michael Niedermayer
avcodec/v210dec: move the stride read after its fully initialized Fixes: out of array read Fixes: 19129/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_V210_fuzzer-5068171023482880 Maybe fixes: 19130/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_V210_fuzzer-5637264407527424 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Limin Wang <lance.lmw...@gmail.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ab3044368f3fc10a3d43718a2bd664be8ce9fdb5 --- libavcodec/v210dec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/v210dec.c b/libavcodec/v210dec.c index 8483023815..044d35338b 100644 --- a/libavcodec/v210dec.c +++ b/libavcodec/v210dec.c @@ -153,7 +153,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, int aligned_width = ((avctx->width + 47) / 48) * 48; stride = aligned_width * 8 / 3; } - td.stride = stride; if (avpkt->size < stride * avctx->height) { if ((((avctx->width + 23) / 24) * 24 * 8) / 3 * avctx->height == avpkt->size) { @@ -166,6 +165,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, return AVERROR_INVALIDDATA; } } + td.stride = stride; if ( avctx->codec_tag == MKTAG('C', '2', '1', '0') && avpkt->size > 64 && AV_RN32(psrc) == AV_RN32("INFO") _______________________________________________ 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".
