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jpegdec: Prevent crash when reading image with problems

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Check if we have data on the adapter and fail if not.

Fixes #627413
This commit is contained in:
Thiago Santos 2010-08-19 18:30:05 -03:00
parent 94eddc119f
commit 95d1b932ab
1 changed files with 5 additions and 0 deletions
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5
ext/jpeg/gstjpegdec.c
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@ -211,6 +211,11 @@ gst_jpeg_dec_fill_input_buffer (j_decompress_ptr cinfo)
GST_DEBUG_OBJECT (dec, "fill_input_buffer: fast av=%u, remaining=%u", av, GST_DEBUG_OBJECT (dec, "fill_input_buffer: fast av=%u, remaining=%u", av,
dec->rem_img_len); dec->rem_img_len);
if (av == 0) {
GST_DEBUG_OBJECT (dec, "Out of data");
return FALSE;
}
if (dec->rem_img_len < av) if (dec->rem_img_len < av)
av = dec->rem_img_len; av = dec->rem_img_len;
dec->rem_img_len -= av; dec->rem_img_len -= av;