avcodec/h264_refs: Fix long_idx check

Fixes out of array read Fixes mozilla bug 1233606 Found-by: Tyson Smith Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
9 years ago · b92b4775a0
parent b32a42295a
commit b92b4775a0
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/h264_refs.c
+++ b/libavcodec/h264_refs.c
@ -301,7 +301,7 @@ int ff_h264_decode_ref_pic_list_reordering(H264Context *h, H264SliceContext *sl)

                    long_idx = pic_num_extract(h, pic_id, &pic_structure);

-                    if (long_idx > 31) {
+                    if (long_idx > 31U) {
                        av_log(h->avctx, AV_LOG_ERROR,
                               "long_term_pic_idx overflow\n");
                        return AVERROR_INVALIDDATA;