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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>
(cherry picked from commit b92b4775a0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
@@ -303,7 +303,7 @@ int ff_h264_decode_ref_pic_list_reordering(H264Context *h, H264SliceContext *sl)
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long_idx = pic_num_extract(h, pic_id, &pic_structure);
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long_idx = pic_num_extract(h, pic_id, &pic_structure);
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if (long_idx > 31) {
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if (long_idx > 31U) {
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av_log(h->avctx, AV_LOG_ERROR,
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av_log(h->avctx, AV_LOG_ERROR,
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"long_term_pic_idx overflow\n");
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"long_term_pic_idx overflow\n");
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return AVERROR_INVALIDDATA;
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return AVERROR_INVALIDDATA;
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