Fixes: signed integer overflow: 2079654542 - -139267653 cannot be represented in type 'int' Fixes: 60811/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5915858409750528
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/tta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/tta.c b/libavcodec/tta.c index 3e89571f16..072e86729d 100644 --- a/libavcodec/tta.c +++ b/libavcodec/tta.c @@ -342,7 +342,7 @@ static int tta_decode_frame(AVCodecContext *avctx, AVFrame *frame, if (s->channels > 1) { int32_t *r = p - 1; for (*p += *r / 2; r > (int32_t*)p - s->channels; r--) - *r = *(r + 1) - *r; + *r = *(r + 1) - (unsigned)*r; } cur_chan = 0; i++; -- 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".
