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Merge commit '1e763454322f7fbc7799f6009bf2e11d7a3b9821'

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* commit '1e763454322f7fbc7799f6009bf2e11d7a3b9821':
  png: improve signature check

Conflicts:
	libavcodec/pngdec.c

See: 8a08503b78
See: 0a3589bf2f
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-01-15 02:52:47 +01:00
commit cd960c8a4f
1 changed files with 1 additions and 1 deletions
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libavcodec/pngdec.c
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@ -1118,7 +1118,7 @@ static int decode_frame_png(AVCodecContext *avctx,
sig = bytestream2_get_be64(&s->gb); sig = bytestream2_get_be64(&s->gb);
if (sig != PNGSIG && if (sig != PNGSIG &&
sig != MNGSIG) { sig != MNGSIG) {
av_log(avctx, AV_LOG_ERROR, "Missing png signature\n"); av_log(avctx, AV_LOG_ERROR, "Invalid PNG signature (%d).\n", buf_size);
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
} }