ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Mar 26 03:10:14 2024 +0100| [6009dd07bd2bde72f2e01723678c1994ecef035e] | committer: Michael Niedermayer
avcodec/wavarc: Avoid signed integer overflow in sample Fixes: signed integer overflow: -2147483648 + -25122315 cannot be represented in type 'int' Fixes: 62285/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-6199806972198912 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=6009dd07bd2bde72f2e01723678c1994ecef035e --- libavcodec/wavarc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wavarc.c b/libavcodec/wavarc.c index 09ed4d473a..99cbaf0109 100644 --- a/libavcodec/wavarc.c +++ b/libavcodec/wavarc.c @@ -374,7 +374,7 @@ static int decode_2slp(AVCodecContext *avctx, for (int o = 0; o < order; o++) sum += s->filter[ch][o] * (unsigned)samples[n + 70 - o - 1]; - samples[n + 70] = get_srice(gb, k) + (sum >> 4); + samples[n + 70] = get_srice(gb, k) + (unsigned)(sum >> 4); } finished = 1; break; _______________________________________________ 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".
