ok On 10/2/19, Michael Niedermayer <mich...@niedermayer.cc> wrote: > Fixes: null pointer dereference > Fixes: signed integer overflow: 512 * 2147483647 cannot be represented in > type 'int' > Fixes: > 17809/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XMA1_fuzzer-5634409947987968 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/wmaprodec.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c > index d0fa974c80..6ce2dd4adb 100644 > --- a/libavcodec/wmaprodec.c > +++ b/libavcodec/wmaprodec.c > @@ -1902,7 +1902,9 @@ static av_cold int xma_decode_init(AVCodecContext > *avctx) > } > > /* encoder supports up to 64 streams / 64*2 channels (would have to > alloc arrays) */ > - if (avctx->channels > XMA_MAX_CHANNELS || s->num_streams > > XMA_MAX_STREAMS) { > + if (avctx->channels > XMA_MAX_CHANNELS || s->num_streams > > XMA_MAX_STREAMS || > + s->num_streams <= 0 > + ) { > avpriv_request_sample(avctx, "More than %d channels in %d streams", > XMA_MAX_CHANNELS, s->num_streams); > return AVERROR_PATCHWELCOME; > } > -- > 2.23.0 > > _______________________________________________ > 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". _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
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