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indeo4: update AVCodecContext width/height on size change 

Fixes CVE-2012-2787

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Michael Niedermayer 2012-04-14 20:04:05 +02:00 committed by Anton Khirnov
parent ee715f49a0
commit b146d74730
1 changed files with 1 additions and 0 deletions
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libavcodec/ivi_common.c
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@ -780,6 +780,7 @@ int ff_ivi_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
avctx->release_buffer(avctx, &ctx->frame);
ctx->frame.reference = 0;
avcodec_set_dimensions(avctx, ctx->planes[0].width, ctx->planes[0].height);
if ((result = avctx->get_buffer(avctx, &ctx->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return result;