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avformat/rl2: fix memleak when read end of file 

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
This commit is contained in:
Steven Liu 2019-10-10 10:07:52 +08:00
parent 7a20008964
commit 59697e42e1
1 changed files with 13 additions and 7 deletions
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20
libavformat/rl2.c
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@ -171,18 +171,24 @@ static av_cold int rl2_read_header(AVFormatContext *s)
/** read offset and size tables */
for(i=0; i < frame_count;i++) {
if (avio_feof(pb))
return AVERROR_INVALIDDATA;
if (avio_feof(pb)) {
ret = AVERROR_INVALIDDATA;
goto end;
}
chunk_size[i] = avio_rl32(pb);
}
for(i=0; i < frame_count;i++) {
if (avio_feof(pb))
return AVERROR_INVALIDDATA;
if (avio_feof(pb)) {
ret = AVERROR_INVALIDDATA;
goto end;
}
chunk_offset[i] = avio_rl32(pb);
}
for(i=0; i < frame_count;i++) {
if (avio_feof(pb))
return AVERROR_INVALIDDATA;
if (avio_feof(pb)) {
ret = AVERROR_INVALIDDATA;
goto end;
}
audio_size[i] = avio_rl32(pb) & 0xFFFF;
}
@ -203,7 +209,7 @@ static av_cold int rl2_read_header(AVFormatContext *s)
++video_frame_counter;
}
end:
av_free(chunk_size);
av_free(audio_size);
av_free(chunk_offset);