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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-03-26 00:50:36 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-03-26 23:25:41 +0100 |
| commit | 61dca9e150b723a160d4a570885f3e5326c3d276 (patch) | |
| tree | f3ecdcb47e95298a0afb3be65f16a2f657e2e6a4 | |
| parent | 75317ec4420d9853526291e8aa18f3ea17321525 (diff) | |
| download | ffmpeg-61dca9e150b723a160d4a570885f3e5326c3d276.tar.gz | |
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 <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/wavdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; |