From cb8231fcc2d27c70dda8057f04054874e740de22 Mon Sep 17 00:00:00 2001
From: Alex Hultman <alexhultman@gmail.com>
Date: Sat, 22 Jun 2019 13:05:45 +0200
Subject: [PATCH] Fix integer overflow for now

---
 src/WebSocketExtensions.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/WebSocketExtensions.h b/src/WebSocketExtensions.h
index 51ac984..1bdbff5 100644
--- a/src/WebSocketExtensions.h
+++ b/src/WebSocketExtensions.h
@@ -58,7 +58,11 @@ public:
         int hashedToken = 0;
         while (in != stop && (isalnum(*in) || *in == '-' || *in == '_')) {
             if (isdigit(*in)) {
-                hashedToken = hashedToken * 10 - (*in - '0');
+                /* This check is a quick and incorrect fix for integer overflow
+                 * in oss-fuzz but we don't care as it doesn't matter either way */
+                if (hashedToken > SHRT_MIN && hashedToken < SHRT_MAX) {
+                    hashedToken = hashedToken * 10 - (*in - '0');
+                }
             } else {
                 hashedToken += *in;
             }