ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Mon May 4 00:04:49 2020 +0200| [b35b3dfc251a1e832bcb79ead910e34df20cc4df] | committer: Michael Niedermayer
avcodec/dsddec: Check channels Fixes: division by zero Fixes: 21677/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DSD_MSBF_fuzzer-5712547983654912 Fixes: 21751/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DSD_LSBF_fuzzer-5197097180856320 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 2570a8777e7095358b10f679d35641e114a2ab33) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b35b3dfc251a1e832bcb79ead910e34df20cc4df --- libavcodec/dsddec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/dsddec.c b/libavcodec/dsddec.c index f1dfd4b231..c23ff0fa6d 100644 --- a/libavcodec/dsddec.c +++ b/libavcodec/dsddec.c @@ -93,6 +93,9 @@ static av_cold int decode_init(AVCodecContext *avctx) DSDContext * s; int i; + if (!avctx->channels) + return AVERROR_INVALIDDATA; + init_static_data(); s = av_malloc_array(sizeof(DSDContext), avctx->channels); _______________________________________________ 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".
