ffmpeg | branch: release/4.4 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Oct 1 00:00:28 2023 +0200| [5c4a6a549a82b05851f36072d66667bb674df0b8] | committer: Michael Niedermayer
avformat/asfdec_f: Saturate presentation time in marker Fixes: signed integer overflow: -9223372036315799520 - 3873890816 cannot be represented in type 'long' Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5009302746431488 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit cedb4736f568a9cc693f81b1f7c33ea2499715ab) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5c4a6a549a82b05851f36072d66667bb674df0b8 --- libavformat/asfdec_f.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/asfdec_f.c b/libavformat/asfdec_f.c index add0d33540..6590422e36 100644 --- a/libavformat/asfdec_f.c +++ b/libavformat/asfdec_f.c @@ -774,7 +774,7 @@ static int asf_read_marker(AVFormatContext *s, int64_t size) avio_rl64(pb); // offset, 8 bytes pres_time = avio_rl64(pb); // presentation time - pres_time -= asf->hdr.preroll * 10000; + pres_time = av_sat_sub64(pres_time, asf->hdr.preroll * 10000); avio_rl16(pb); // entry length avio_rl32(pb); // send time avio_rl32(pb); // flags _______________________________________________ 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".
