mirror of https://git.ffmpeg.org/ffmpeg.git
Fix possible heap overflow caused by av_fast_realloc()
Originally committed as revision 12579 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -66,7 +66,11 @@ void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size)
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*size= FFMAX(17*min_size/16 + 32, min_size);
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return av_realloc(ptr, *size);
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ptr= av_realloc(ptr, *size);
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if(!ptr) //we could set this to the unmodified min_size but this is safer if the user lost the ptr and uses NULL now
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*size= 0;
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return ptr;
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}
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static unsigned int last_static = 0;
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