Fixes invalid reads.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC:[email protected]
---
libavcodec/eacmv.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/libavcodec/eacmv.c b/libavcodec/eacmv.c
index 1a4e16e..1921c85 100644
--- a/libavcodec/eacmv.c
+++ b/libavcodec/eacmv.c
@@ -141,6 +141,13 @@ static int cmv_process_header(CmvContext *s, const uint8_t
*buf, const uint8_t *
s->width = AV_RL16(&buf[4]);
s->height = AV_RL16(&buf[6]);
+ if (s->width != s->avctx->width ||
+ s->height != s->avctx->height) {
+ av_frame_unref(s->last_frame);
+ av_frame_unref(s->last2_frame);
+
+ }
+
ret = ff_set_dimensions(s->avctx, s->width, s->height);
if (ret < 0)
return ret;
--
1.7.10.4
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