[PATCH] TRIVIAL 2.5.12 WP security warning

Rusty Russell (rusty@rustcorp.com.au)
Wed, 01 May 2002 17:23:47 +1000

Pavel Machek <pavel@ucw.cz>: Warn users about machines with non-working WP bit:
Hi!

This might be good idea, as those machines are not safe for multiuser
systems.

--- trivial-2.5.12/arch/i386/mm/init.c.orig Wed May 1 17:15:10 2002
+++ trivial-2.5.12/arch/i386/mm/init.c Wed May 1 17:15:10 2002
@@ -384,7 +384,7 @@
local_flush_tlb();

if (!boot_cpu_data.wp_works_ok) {
- printk("No.\n");
+ printk("No (that's security hole).\n");
#ifdef CONFIG_X86_WP_WORKS_OK
panic("This kernel doesn't support CPU's with broken WP. Recompile it for a 386!");
#endif

--
  Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
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