From f962653818447e2f7b33b648c803ca5abb462609 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Thu, 21 Jul 2022 14:23:17 +1000
Subject: [PATCH] hash/siphash: correct the update loop bounds

---
 hash/siphash.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hash/siphash.cpp b/hash/siphash.cpp
index a45b6663..fa79b4a8 100644
--- a/hash/siphash.cpp
+++ b/hash/siphash.cpp
@@ -101,7 +101,7 @@ siphash<C,D>::operator() (cruft::view<const uint8_t*> data) const noexcept
 
     // update
     auto cursor = data.begin ();
-    for ( ; data.end () - cursor > 8; cursor += sizeof (uint64_t)) {
+    for ( ; data.end () - cursor >= 8; cursor += sizeof (uint64_t)) {
         auto word = readle<uint64_t> (cursor);
 
         state[3] ^= word;