Fixes: signed integer overflow: -2147479324 + -32568 cannot be represented in type 'int' Fixes: 20103/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_GREMLIN_DPCM_fuzzer-5667667579240448
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/dpcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/dpcm.c b/libavcodec/dpcm.c index 7d3934ee35..5958081b66 100644 --- a/libavcodec/dpcm.c +++ b/libavcodec/dpcm.c @@ -367,7 +367,7 @@ static int dpcm_decode_frame(AVCodecContext *avctx, void *data, while (output_samples < samples_end) { uint8_t n = bytestream2_get_byteu(&gb); - *output_samples++ = s->sample[idx] += s->array[n]; + *output_samples++ = s->sample[idx] += (unsigned)s->array[n]; idx ^= 1; } } -- 2.25.0 _______________________________________________ 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".
