On 1/11/23, Michael Niedermayer <mich...@niedermayer.cc> wrote: > Fixes: signed integer overflow: -2889074 * 2048 cannot be represented in > type 'int' > Fixes: > 51363/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BONK_fuzzer-5660734784143360 > Fixes: > 48567/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BONK_fuzzer-6617680050520064 > Fixes: > 48567/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BONK_fuzzer-6743951854141440 > > No check is done for the overflow as this was rejected in last review, see > the ML > > Note: the 2nd and 3rd testcase was assigned by ossfuzz to a unrelated theora > issue (48567) > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/bonk.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavcodec/bonk.c b/libavcodec/bonk.c > index 5d736b1563..9e176d5477 100644 > --- a/libavcodec/bonk.c > +++ b/libavcodec/bonk.c > @@ -356,7 +356,7 @@ static int bonk_decode(AVCodecContext *avctx, AVFrame > *frame, > sample++; > } > > - sample[0] = predictor_calc_error(s->k, state, s->n_taps, > s->input_samples[i] * quant); > + sample[0] = predictor_calc_error(s->k, state, s->n_taps, > s->input_samples[i] * (unsigned)quant); > sample++; > } > > -- > 2.17.1 >
LGTM > _______________________________________________ > 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 To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
