From c57baf1e1e24b004b57d282267542baab802753c Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Thu, 23 Aug 2007 15:18:02 +0200
Subject: [PATCH] sched: fix sysctl directory permissions
There are two remaining gotchas:
- The directories have impossible permissions (writeable).
- The ctl_name for the kernel directory is inconsistent with
everything else. It should be CTL_KERN.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
kernel/sched.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index 48e7586168ef4..5fecbbba12acf 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5257,15 +5257,16 @@ static void migrate_dead_tasks(unsigned int dead_cpu)
static struct ctl_table sd_ctl_dir[] = {
{
.procname = "sched_domain",
- .mode = 0755,
+ .mode = 0555,
},
{0,},
};
static struct ctl_table sd_ctl_root[] = {
{
+ .ctl_name = CTL_KERN,
.procname = "kernel",
- .mode = 0755,
+ .mode = 0555,
.child = sd_ctl_dir,
},
{0,},
@@ -5341,7 +5342,7 @@ static ctl_table *sd_alloc_ctl_cpu_table(int cpu)
for_each_domain(cpu, sd) {
snprintf(buf, 32, "domain%d", i);
entry->procname = kstrdup(buf, GFP_KERNEL);
- entry->mode = 0755;
+ entry->mode = 0555;
entry->child = sd_alloc_ctl_domain_table(sd);
entry++;
i++;
@@ -5361,7 +5362,7 @@ static void init_sched_domain_sysctl(void)
for (i = 0; i < cpu_num; i++, entry++) {
snprintf(buf, 32, "cpu%d", i);
entry->procname = kstrdup(buf, GFP_KERNEL);
- entry->mode = 0755;
+ entry->mode = 0555;
entry->child = sd_alloc_ctl_cpu_table(i);
}
sd_sysctl_header = register_sysctl_table(sd_ctl_root);
--
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