Fixes: signed integer overflow: 1683879955 - -466265224 cannot be represented in type 'int' Fixes: 37419/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-6074294407921664
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/apedec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c index 022a6f9398..bf481ba354 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -909,8 +909,8 @@ static av_always_inline int filter_3800(APEPredictor *p, return predictionA; } d2 = p->buf[delayA]; - d1 = (p->buf[delayA] - p->buf[delayA - 1]) * 2U; - d0 = p->buf[delayA] + ((p->buf[delayA - 2] - p->buf[delayA - 1]) * 8U); + d1 = (p->buf[delayA] - (unsigned)p->buf[delayA - 1]) * 2; + d0 = p->buf[delayA] + ((p->buf[delayA - 2] - (unsigned)p->buf[delayA - 1]) * 8); d3 = p->buf[delayB] * 2U - p->buf[delayB - 1]; d4 = p->buf[delayB]; -- 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".
