ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Sep 21 00:13:27 2023 +0200| [f3c986200d7f4ec934c480b09aa8a13554da032d] | committer: Michael Niedermayer
avcodec/wavarc: Fix integer overflwo in do_stereo() Fixes: signed integer overflow: 148676193 - -2006512262 cannot be represented in type 'int' Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-5963163952349184 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f3c986200d7f4ec934c480b09aa8a13554da032d --- libavcodec/wavarc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/wavarc.c b/libavcodec/wavarc.c index 2e32b46ebd..6941ba9ab5 100644 --- a/libavcodec/wavarc.c +++ b/libavcodec/wavarc.c @@ -154,11 +154,11 @@ static void do_stereo(WavArcContext *s, int ch, int correlated, int len) } else { if (correlated) { for (int n = 0; n < nb_samples; n++) - s->samples[1][n + len] += s->samples[0][n + len]; + s->samples[1][n + len] += (unsigned)s->samples[0][n + len]; } for (int n = 0; n < len; n++) { s->pred[0][n] = s->samples[1][nb_samples + n]; - s->pred[1][n] = s->pred[0][n] - s->samples[0][nb_samples + n]; + s->pred[1][n] = s->pred[0][n] - (unsigned)s->samples[0][nb_samples + n]; } } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
