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-rw-r--r--libavformat/iss.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/libavformat/iss.c b/libavformat/iss.c
index 8c297f8..af2fc6e 100644
--- a/libavformat/iss.c
+++ b/libavformat/iss.c
@@ -2,20 +2,20 @@
* ISS (.iss) file demuxer
* Copyright (c) 2008 Jaikrishnan Menon <realityman@gmx.net>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -87,6 +87,11 @@ static av_cold int iss_read_header(AVFormatContext *s)
get_token(pb, token, sizeof(token)); //Version ID
get_token(pb, token, sizeof(token)); //Size
+ if (iss->packet_size <= 0) {
+ av_log(s, AV_LOG_ERROR, "packet_size %d is invalid\n", iss->packet_size);
+ return AVERROR_INVALIDDATA;
+ }
+
iss->sample_start_pos = avio_tell(pb);
st = avformat_new_stream(s, NULL);
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