From cfa4cebf13adc64bd9934e355c645e3e574bf570 Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <Todd.Miller@courtesan.com>
Date: Sat, 30 Aug 2014 16:24:53 -0600
Subject: [PATCH] Remove signal_event from evbase before calling
 sudo_ev_loopexit() when the command has exited or been killed.  It is
 possible that we could receive another signal on the pipe if they are
 delivered out of order.

---
 src/exec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/exec.c b/src/exec.c
index 275ee7585..8f8e389aa 100644
--- a/src/exec.c
+++ b/src/exec.c
@@ -603,6 +603,7 @@ dispatch_signal(struct sudo_event_base *evbase, pid_t child,
 		/* Child has exited or been killed, we are done. */
 		cstat->type = CMD_WSTATUS;
 		cstat->val = status;
+		sudo_ev_del(evbase, signal_event);
 		sudo_ev_loopexit(evbase);
 		goto done;
 	    }