eessppeelllloo/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2026-01-21 21:41:13 +01:00
Code Issues Packages Projects Releases Wiki Activity

avcodec/osq: use unsigned for decorrelation

Browse Source 
Fixes: signed integer overflow: 1205469696 + 1901074655 cannot be represented in type 'int'
Fixes: 70773/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-5419594888577024

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e9f588af95)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2024-09-19 22:03:37 +02:00
parent 44bf027a3f
commit b67e271bed
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/osq.c
View File

@@ -341,7 +341,7 @@ static int do_decode(AVCodecContext *avctx, AVFrame *frame, int decorrelate, int
if (nb_channels == 2 && ch == 1) {
if (decorrelate)
dst[n] += s->decode_buffer[0][OFFSET+n];
dst[n] += (unsigned)s->decode_buffer[0][OFFSET+n];
}
if (downsample)