From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Fri, 22 Aug 2014 17:06:05 +0000 (-0600)
Subject: We write an unsigned char, not an int, to the signal pipe.
X-Git-Tag: SUDO_1_8_11^2~52
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=db494700d6dea25f39d3088459a3aef1a0f97c43;p=sudo

We write an unsigned char, not an int, to the signal pipe.
---

diff --git a/src/signal.c b/src/signal.c
index 04da0b45e..59b5cdb38 100644
--- a/src/signal.c
+++ b/src/signal.c
@@ -96,8 +96,10 @@ restore_signals(void)
 }
 
 static void
-sudo_handler(int signo)
+sudo_handler(int s)
 {
+    unsigned char signo = (unsigned char)s;
+
     /*
      * The pipe is non-blocking, if we overflow the kernel's pipe
      * buffer we drop the signal.  This is not a problem in practice.