ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Mon Feb 1 19:59:55 2021 +0100| [f7c3484b2659063043100e8194d5790d2aa1a73c] | committer: Michael Niedermayer
avformat/mxfdec: Fix file position addition Fixes: signed integer overflow: 9223372036854775805 + 4 cannot be represented in type 'long' Fixes: 29927/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-5579985228267520 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=f7c3484b2659063043100e8194d5790d2aa1a73c --- libavformat/mxfdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index 1f372affcb..840484b37e 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -2903,7 +2903,7 @@ static int mxf_read_local_tags(MXFContext *mxf, KLVPacket *klv, MXFMetadataReadF meta = NULL; ctx = mxf; } - while (avio_tell(pb) + 4 < klv_end && !avio_feof(pb)) { + while (avio_tell(pb) + 4ULL < klv_end && !avio_feof(pb)) { int ret; int tag = avio_rb16(pb); int size = avio_rb16(pb); /* KLV specified by 0x53 */ _______________________________________________ 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".
