ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Mar 26 00:50:36 2024 +0100| [61dca9e150b723a160d4a570885f3e5326c3d276] | committer: Michael Niedermayer
avformat/wavdec: satuarte next_tag_ofs, data_end Fixes: signed integer overflow: 5053074104798691550 + 5053074104259715104 cannot be represented in type 'long' Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_WAV_fuzzer-6515315309936640 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=61dca9e150b723a160d4a570885f3e5326c3d276 --- libavformat/wavdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c index 89855670d9..0fed1ee639 100644 --- a/libavformat/wavdec.c +++ b/libavformat/wavdec.c @@ -453,7 +453,7 @@ static int wav_read_header(AVFormatContext *s) } if (rf64 || bw64) { - next_tag_ofs = wav->data_end = avio_tell(pb) + data_size; + next_tag_ofs = wav->data_end = av_sat_add64(avio_tell(pb), data_size); } else if (size != 0xFFFFFFFF) { data_size = size; next_tag_ofs = wav->data_end = size ? next_tag_ofs : INT64_MAX; _______________________________________________ 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".
