| Message ID | 20240326001151.12083-8-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 61dca9e150b723a160d4a570885f3e5326c3d276 |
| Headers | show |
| Series | [FFmpeg-devel,01/10] avformat/concatdec: Check user_duration sum | expand |
| Context | Check | Description |
|---|---|---|
| andriy/configure_x86 | warning | Failed to apply patch |
| yinshiyou/configure_loongarch64 | warning | Failed to apply patch |
diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c index 89855670d9c..0fed1ee6398 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;
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> --- libavformat/wavdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)