1. ffmpeg
  2. Commit 591944cd0c4f10ddf0eaee9298553633e12a26d0
Browse code

Do a little more checking.

Originally committed as revision 13502 to svn://svn.ffmpeg.org/ffmpeg/trunk

Michael Niedermayer authored on 2008/05/29 05:30:42
Showing 1 changed files
libavformat/tiertexseq.c
History View file @ 591944c
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@@ -110,7 +110,7 @@ static int seq_fill_buffer(SeqDemuxContext *seq, ByteIOContext *pb, int buffer_n
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         return AVERROR_INVALIDDATA;
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     seq_buffer = &seq->frame_buffers[buffer_num];
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-    if (seq_buffer->fill_size + data_size > seq_buffer->data_size)
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+    if (seq_buffer->fill_size + data_size > seq_buffer->data_size || data_size <= 0)
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         return AVERROR_INVALIDDATA;
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     url_fseek(pb, seq->current_frame_offs + data_offs, SEEK_SET);