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 _______________________________________________ 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".
