1. ffmpeg
  2. Commit 61bbc537ab2305392bd170a6f404ed6402bee4a8
Browse code

avcodec/samidec: check av_strdup() return value

In function sami_paragraph_to_ass(), the return value of av_strdup() is
not checked. To avoid potential NULL dereference, the return value
should be checked against NULL.

Signed-off-by: Pan Bian <bianpan2016@163.com>

Pan Bian authored on 2017/11/27 15:56:32
Showing 1 changed files
libavcodec/samidec.c
History View file @ 61bbc53
... ... 
@@ -48,6 +48,9 @@ static int sami_paragraph_to_ass(AVCodecContext *avctx, const char *src)
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     AVBPrint *dst_content = &sami->encoded_content;
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     AVBPrint *dst_source = &sami->encoded_source;
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+    if (!dupsrc)
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+        return AVERROR(ENOMEM);
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+
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     av_bprint_clear(&sami->encoded_content);
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     av_bprint_clear(&sami->content);
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     av_bprint_clear(&sami->encoded_source);