[FFmpeg-cvslog] h264: Make sure reinit failures mark the context as not initialized

[Luca Barbato]

ffmpeg | branch: release/2.2 | Luca Barbato <lu_zero at gentoo.org> | Mon May 25 22:30:10 2015 +0200| [964fef3f3ced60e67831549df223bc177e1537c9] | committer: Reinhard Tartler

h264: Make sure reinit failures mark the context as not initialized

Bug-Id: CVE-2015-3417
CC: libav-stable at libav.org
(cherry picked from commit 3b69f245dbe6e2016659a45c4bfe284f6c5ac57e)
Signed-off-by: Reinhard Tartler <siretart at tauware.de>

Conflicts:
	libavcodec/h264_slice.c

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=964fef3f3ced60e67831549df223bc177e1537c9
---

 libavcodec/h264.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 857a949..c327113 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -3489,6 +3489,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
         (h->width  != h->avctx->coded_width   ||
          h->height != h->avctx->coded_height  ||
          needs_reinit)) {
+        h->context_initialized = 0;
         if (h != h0) {
             av_log(h->avctx, AV_LOG_ERROR, "changing width/height on "
                    "slice %d\n", h0->current_slice + 1);