yama: Disable by default

Bug-Debian: https://bugs.debian.org/712740
Forwarded: not-needed

Gbp-Pq: Topic debian
Gbp-Pq: Name yama-disable-by-default.patch

diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c
index 94dc346370b106a73a78da6d3acfbcb82c297541..e4c0ba32b95c3fac6e87d3a9f3b539c59c4d6c49 100644 (file)
--- a/security/yama/yama_lsm.c
+++ b/security/yama/yama_lsm.c
@@ -24,7 +24,7 @@
 #define YAMA_SCOPE_CAPABILITY  2
 #define YAMA_SCOPE_NO_ATTACH   3
 
-static int ptrace_scope = YAMA_SCOPE_RELATIONAL;
+static int ptrace_scope = YAMA_SCOPE_DISABLED;
 
 /* describe a ptrace relationship for potential exception */
 struct ptrace_relation {
@@ -476,7 +476,7 @@ static inline void yama_init_sysctl(void) { }
 
 static int __init yama_init(void)
 {
-       pr_info("Yama: becoming mindful.\n");
+       pr_info("Yama: disabled by default; enable with sysctl kernel.yama.*\n");
        security_add_hooks(yama_hooks, ARRAY_SIZE(yama_hooks), "yama");
        yama_init_sysctl();
        return 0;