[PATCH 3.18 06/31] timer/debug: Change /proc/timer_list from 0444 to 0400

From: Greg Kroah-Hartman
Date: Thu Dec 20 2018 - 04:20:47 EST


3.18-stable review patch. If anyone has any objections, please let me know.

------------------

[ Upstream commit 8e7df2b5b7f245c9bd11064712db5cb69044a362 ]

While it uses %pK, there's still few reasons to read this file
as non-root.

Suggested-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
kernel/time/timer_list.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index 61ed862cdd37..37d7e4d29e5f 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -362,7 +362,7 @@ static int __init init_timer_list_procfs(void)
{
struct proc_dir_entry *pe;

- pe = proc_create("timer_list", 0444, NULL, &timer_list_fops);
+ pe = proc_create("timer_list", 0400, NULL, &timer_list_fops);
if (!pe)
return -ENOMEM;
return 0;
--
2.19.1