ffmpeg | branch: release/4.3 | Michael Niedermayer <mich...@niedermayer.cc> | Sat Dec 4 20:11:35 2021 +0100| [784303ca013d4d8de9808472b8e28205ec5f7f7b] | committer: Michael Niedermayer
avformat/mov: Check for EOF in mov_read_glbl() Fixes: Infinite loop Fixes: 41351/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5433895854669824 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 59b4e7cbd87889c0bac710ac7f62782b637419a1) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=784303ca013d4d8de9808472b8e28205ec5f7f7b --- libavformat/mov.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/mov.c b/libavformat/mov.c index 414918050b..309b813ba3 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -1916,6 +1916,8 @@ static int mov_read_glbl(MOVContext *c, AVIOContext *pb, MOVAtom atom) // wrap a whole fiel atom inside of a glbl atom. unsigned size = avio_rb32(pb); unsigned type = avio_rl32(pb); + if (avio_feof(pb)) + return AVERROR_INVALIDDATA; avio_seek(pb, -8, SEEK_CUR); if (type == MKTAG('f','i','e','l') && size == atom.size) return mov_read_default(c, pb, atom); _______________________________________________ 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".
