[FFmpeg-cvslog] avformat/avidec: Check height
Michael Niedermayer
git at videolan.org
Thu Apr 14 01:09:13 EEST 2022
ffmpeg | branch: release/3.4 | Michael Niedermayer <michael at niedermayer.cc> | Sun Feb 27 21:44:29 2022 +0100| [b545c250783bcc82f07372a6808d9745615d9b1a] | committer: Michael Niedermayer
avformat/avidec: Check height
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: Ticket8486
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit ec8ff659f57786c4cb089b07dfeab7e5cbab8d52)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b545c250783bcc82f07372a6808d9745615d9b1a
---
libavformat/avidec.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index 0cb97dec3d..b9b0e6bb6c 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -843,6 +843,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
memcpy(st->codecpar->extradata + st->codecpar->extradata_size - 9,
"BottomUp", 9);
}
+ if (st->codecpar->height == INT_MIN)
+ return AVERROR_INVALIDDATA;
st->codecpar->height = FFABS(st->codecpar->height);
// avio_skip(pb, size - 5 * 4);
More information about the ffmpeg-cvslog
mailing list