[PATCH -tip v2 1/7] kprobes: Make blacklist root user read only

Since the blacklist file indicates a sensitive address information to reader, it should be restricted to the root user.

Suggested-by: Thomas Richter tmricht@linux.ibm.com Signed-off-by: Masami Hiramatsu mhiramat@kernel.org --- kernel/kprobes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 102160ff5c66..314cec85a8b2 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -2621,7 +2621,7 @@ static int __init debugfs_kprobe_init(void) if (!file) goto error;

- file = debugfs_create_file("blacklist", 0444, dir, NULL, + file = debugfs_create_file("blacklist", 0400, dir, NULL, &debugfs_kprobe_blacklist_ops); if (!file) goto error;