From fa7ea000ce636c8039f99135dc4688e28031f0fe Mon Sep 17 00:00:00 2001
From: Qualys Security Advisory <qsa@qualys.com>
Date: Thu, 1 Jan 1970 00:00:00 +0000
Subject: [PATCH] 0023-skill: Fix getline() usage.

man getline: "If *lineptr is set to NULL and *n is set 0 before the
call, then getline() will allocate a buffer for storing the line. This
buffer should be freed by the user program even if getline() failed."
---
 skill.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/skill.c b/skill.c
index 88c2fdf8..2b7eb575 100644
--- a/skill.c
+++ b/skill.c
@@ -178,8 +178,10 @@ static int ask_user(struct pids_stack *stack)
             PIDS_GETINT(PID),
             PIDS_GETSTR(CMD));
     fflush(stdout);
-    if (getline(&buf, &len, stdin) == -1)
+    if (getline(&buf, &len, stdin) == -1) {
+        free(buf);
         return 0;
+    }
     if (rpmatch(buf) < 1) {
         free(buf);
         return 0;