ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Apr 4 00:15:27 2024 +0200| [28c7094b25b689185155a6833caf2747b94774a4] | committer: Michael Niedermayer
avcodec/wavarc: fix signed integer overflow in block type 6/19 Fixes: signed integer overflow: -2088796289 + -91276551 cannot be represented in type 'int' Fixes: 67772/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-6533568953122816 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=28c7094b25b689185155a6833caf2747b94774a4 --- libavcodec/wavarc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wavarc.c b/libavcodec/wavarc.c index 7083494cd8..b4b26958e6 100644 --- a/libavcodec/wavarc.c +++ b/libavcodec/wavarc.c @@ -647,7 +647,7 @@ static int decode_5elp(AVCodecContext *avctx, for (int o = 0; o < order; o++) sum += s->filter[ch][o] * (unsigned)samples[n + 70 - o - 1]; - samples[n + 70] += ac_out[n] + (sum >> 4); + samples[n + 70] += ac_out[n] + (unsigned)(sum >> 4); } for (int n = 0; n < 70; 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".
