Fixed: signed integer overflow: -2 * -1085502286 cannot be represented in type 'int' Fixed: 57986/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5123651145170944
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/aacdec_template.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c index 444dc4fa9d..237ec8828f 100644 --- a/libavcodec/aacdec_template.c +++ b/libavcodec/aacdec_template.c @@ -2856,8 +2856,8 @@ static void imdct_and_windowing_eld(AACContext *ac, SingleChannelElement *sce) ac->mdct512_fn(ac->mdct512, buf, in, sizeof(INTFLOAT)); for (i = 0; i < n; i+=2) { - buf[i + 0] = -(USE_FIXED + 1)*buf[i + 0]; - buf[i + 1] = (USE_FIXED + 1)*buf[i + 1]; + buf[i + 0] = -(USE_FIXED + 1U)*buf[i + 0]; + buf[i + 1] = (USE_FIXED + 1U)*buf[i + 1]; } // Like with the regular IMDCT at this point we still have the middle half // of a transform but with even symmetry on the left and odd symmetry on -- 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".
