hmm, if we use fast unaligned access when decompressing, we should allocate 3

more bytes after the memory

diff --git a/lib/lizard-safe.c b/lib/lizard-safe.c
index c615acc4b131a704ee046cba9b3575dfa11dd13b..6bba2544915ba142371e7400ad43a55d85263e27 100644 (file)
--- a/lib/lizard-safe.c
+++ b/lib/lizard-safe.c
@@ -53,7 +53,7 @@ lizard_decompress_safe(byte *in, struct lizard_buffer *buf, uns expected_length)
    * is caught in the case of buffer-overflow.  The function is not re-entrant
    * because of a static longjmp handler.  */
 {
-  uns lock_offset = ALIGN(expected_length, PAGE_SIZE);
+  uns lock_offset = ALIGN(expected_length + 3, PAGE_SIZE);     // +3 due to the unaligned access
   if (lock_offset > buf->len)
   {
     errno = EFBIG;