Cherry-pick a fix from r324 of the libjpeg-turbo stable branch that

adds further protections against invalid Huffman codes.

BUG=none
TEST=trybots
Review URL: http://codereview.chromium.org/6334053

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/libjpeg_turbo@73588 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

1 files changed, 1 insertions, 1 deletions

diff --git a/jdhuff.c b/jdhuff.c
index 04b38d5..0291bc9 100644
--- a/jdhuff.c
+++ b/jdhuff.c
@@ -658,7 +658,7 @@ decode_mcu_slow (j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
       symbol |= GET_BITS(1); \
       size++; \
     } \
-    symbol = htbl->pub->huffval[ (int) (symbol + htbl->valoffset[size]) ]; \
+    symbol = htbl->pub->huffval[ (int) (symbol + htbl->valoffset[size]) & 0xFF ]; \
   } \
 }