From 0884b1c5ffe07584984dadad29346c95c78fac19 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Sat, 6 May 2017 18:25:02 +0200
Subject: [PATCH] avcodec/golomb: Assert that k is valid in
 get_ur_golomb_jpegls()

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/golomb.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/golomb.h b/libavcodec/golomb.h
index 47b369f88c..6911759c6b 100644
--- a/libavcodec/golomb.h
+++ b/libavcodec/golomb.h
@@ -314,6 +314,8 @@ static inline int get_ur_golomb_jpegls(GetBitContext *gb, int k, int limit,
 
     log = av_log2(buf);
 
+    av_assert2(k <= 31);
+
     if (log - k >= 32 - MIN_CACHE_BITS + (MIN_CACHE_BITS == 32) &&
         32 - log < limit) {
         buf >>= log - k;