From c6f9f06c45bae0de6240f1555c6d771d9fbb9222 Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <Todd.Miller@courtesan.com>
Date: Fri, 7 Apr 2017 08:38:56 -0600
Subject: [PATCH] Check return value of dispatch_pending_signals() in case we
 received SIGINT or SIGQUIT before executing the command.

---
 src/exec.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/exec.c b/src/exec.c
index 577a56ac5..e7dcf539a 100644
--- a/src/exec.c
+++ b/src/exec.c
@@ -205,7 +205,10 @@ sudo_execute(struct command_details *details, struct command_status *cstat)
 {
     debug_decl(sudo_execute, SUDO_DEBUG_EXEC)
 
-    dispatch_pending_signals(cstat);
+    if (dispatch_pending_signals(cstat) != 0) {
+	/* Killed by SIGINT or SIGQUIT */
+	debug_return_int(0);
+    }
 
     /* If running in background mode, fork and exit. */
     if (ISSET(details->flags, CD_BACKGROUND)) {