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authorLuca Barbato <lu_zero@gentoo.org>2013-08-14 16:51:53 +0200
committerLuca Barbato <lu_zero@gentoo.org>2013-08-16 14:56:56 +0200
commit5ef7c84a9374681c64722a96d91741f3b990af2b (patch)
treeef5c491bdecc4be83773fdb31a2b05ba6c60430c /libavcodec/dxa.c
parentc59967fa7cc5bc2fa06b36c17d2c207240c06b3e (diff)
dxa: Make sure the reference frame exists
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org
Diffstat (limited to 'libavcodec/dxa.c')
-rw-r--r--libavcodec/dxa.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/dxa.c b/libavcodec/dxa.c
index 9e7f453b08..ddc31f3413 100644
--- a/libavcodec/dxa.c
+++ b/libavcodec/dxa.c
@@ -255,6 +255,10 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
case 3:
case 4:
case 5:
+ if (!tmpptr) {
+ av_log(avctx, AV_LOG_ERROR, "Missing reference frame.\n");
+ return AVERROR_INVALIDDATA;
+ }
frame->key_frame = !(compr & 1);
frame->pict_type = (compr & 1) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
for(j = 0; j < avctx->height; j++){