systemd/0031-login-fix-invalid-free-in-sd_session_get_vt.patch

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2013-10-21 23:35:36 +00:00
From a72c398b5af558d231decbbf12c7990dbd38c682 Mon Sep 17 00:00:00 2001
From: David Herrmann <dh.herrmann@gmail.com>
Date: Thu, 10 Oct 2013 13:09:37 +0200
Subject: [PATCH] login: fix invalid free() in sd_session_get_vt()
We need to clear variables markes as _cleanup_free_. Otherwise, our
error-paths might corrupt random memory.
---
src/login/sd-login.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/login/sd-login.c b/src/login/sd-login.c
index 71d8c29..6c27dfe 100644
--- a/src/login/sd-login.c
+++ b/src/login/sd-login.c
@@ -350,7 +350,7 @@ _public_ int sd_session_get_tty(const char *session, char **tty) {
}
_public_ int sd_session_get_vt(const char *session, unsigned *vtnr) {
- _cleanup_free_ char *vtnr_string;
+ _cleanup_free_ char *vtnr_string = NULL;
unsigned u;
int r;
--
1.8.4.652.g0d6e0ce