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iff: Do not read over the source buffer

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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
(cherry picked from commit 7d65e960c72f36b73ae7fe84f8e427d758e61da9)

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Conflicts:
	libavcodec/iff.c
This commit is contained in:
Luca Barbato 2013-06-29 07:26:48 +02:00
parent 57efb6d94c
commit 195b9f290c
1 changed files with 1 additions and 1 deletions
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2
libavcodec/iff.c
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@ -271,7 +271,7 @@ static int decode_frame_ilbm(AVCodecContext *avctx,
if (avctx->codec_tag == MKTAG('I','L','B','M')) { // interleaved
if (avctx->pix_fmt == PIX_FMT_PAL8 || avctx->pix_fmt == PIX_FMT_GRAY8) {
for(y = 0; y < avctx->height; y++ ) {
for (y = 0; y < avctx->height && buf < buf_end; y++ ) {
uint8_t *row = &s->frame.data[0][ y*s->frame.linesize[0] ];
memset(row, 0, avctx->width);
for (plane = 0; plane < avctx->bits_per_coded_sample && buf < buf_end; plane++) {