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kernel: make /proc/kallsyms mode 400 to reduce ease of attacking
[firefly-linux-kernel-4.4.55.git]
/
kernel
/
kallsyms.c
diff --git
a/kernel/kallsyms.c
b/kernel/kallsyms.c
index 6f6d091b57573bf37fc98fdcb2df91c08787543d..a8db2570f99a9cb094daa2e773fc74e6e23d25bb 100644
(file)
--- a/
kernel/kallsyms.c
+++ b/
kernel/kallsyms.c
@@
-546,7
+546,7
@@
static const struct file_operations kallsyms_operations = {
static int __init kallsyms_init(void)
{
- proc_create("kallsyms", 04
44
, NULL, &kallsyms_operations);
+ proc_create("kallsyms", 04
00
, NULL, &kallsyms_operations);
return 0;
}
device_initcall(kallsyms_init);