Fixes: Out of array write Fixes: 45613/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-4539073606320128
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/wmalosslessdec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c index cd05b22689..1728920729 100644 --- a/libavcodec/wmalosslessdec.c +++ b/libavcodec/wmalosslessdec.c @@ -281,6 +281,9 @@ static av_cold int decode_init(AVCodecContext *avctx) av_channel_layout_uninit(&avctx->ch_layout); av_channel_layout_from_mask(&avctx->ch_layout, channel_mask); + if (s->num_channels != avctx->ch_layout.nb_channels) + return AVERROR_PATCHWELCOME; //are there non fuzzed files with this or is it an error ? + return 0; } -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
