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[libpng16] Issue a png_benign_error instead of a png_error on ADLER32 mismatch

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while decoding compressed data chunks.
This commit is contained in:
Glenn Randers-Pehrson
2016-09-11 22:02:05 -05:00
parent bc2bb96cd7
commit 1842d7c865
4 changed files with 18 additions and 4 deletions
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7
pngrutil.c
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@@ -4101,7 +4101,12 @@ png_read_IDAT_data(png_structrp png_ptr, png_bytep output,
png_zstream_error(png_ptr, ret);
if (output != NULL)
png_chunk_error(png_ptr, png_ptr->zstream.msg);
{
if(!strncmp(png_ptr->zstream.msg,"incorrect data check",20))
png_chunk_benign_error(png_ptr, png_ptr->zstream.msg);
else
png_chunk_error(png_ptr, png_ptr->zstream.msg);
}
else /* checking */
{