====== Patch for kernel rsbac-pax 2.6.33.5 =====

The follow source have to download and the patches have to apply like the links are.

  * [[http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.33.6.tar.bz2|linux-kernel]]
  * [[http://kasten-edv.de/download/rsbac/pre/rsbac-1.4.4-2.6.33.6.diff.bz2|rsbac-patch]]
  * [[http://www.grsecurity.net/~paxguy1/pax-linux-2.6.33.6-test27.patch|pax-patch]]

Already patched kernel can download for testing 
[[http://kasten-edv.de/download/rsbac/pre|here]].

At least apply this patch.
<code bash>
diff -Nur linux-rsbac-2.6.33.6/fs/exec.c linux-rsbac-pax-2.6.33.6/fs/exec.c
--- linux-rsbac-2.6.33.6/fs/exec.c	2010-07-16 01:17:06.132526934 +0200
+++ linux-rsbac-pax-2.6.33.6/fs/exec.c	2010-07-16 00:54:07.832858346 +0200
@@ -56,11 +56,24 @@
 #include <linux/fs_struct.h>
 #include <linux/pipe_fs_i.h>
 
+#include <linux/random.h>
+#include <linux/seq_file.h>
+ 
+#ifdef CONFIG_PAX_REFCOUNT
+#include <linux/kallsyms.h>
+#include <linux/kdebug.h>
+#endif
+
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
 #include <asm/tlb.h>
 #include "internal.h"
 
+#ifdef CONFIG_PAX_HOOK_ACL_FLAGS
+void (*pax_set_initial_flags_func)(struct linux_binprm *bprm);
+EXPORT_SYMBOL(pax_set_initial_flags_func);
+#endif
+
 #include <rsbac/hooks.h>
 
 int core_uses_pid;
diff -Nur linux-rsbac-2.6.33.6/fs/pipe.c linux-rsbac-pax-2.6.33.6/fs/pipe.c
--- linux-rsbac-2.6.33.6/fs/pipe.c	2010-07-16 01:17:06.158570058 +0200
+++ linux-rsbac-pax-2.6.33.6/fs/pipe.c	2010-07-16 00:55:07.335526901 +0200
@@ -776,10 +776,10 @@
 
 	mutex_lock(&inode->i_mutex);
 	pipe = inode->i_pipe;
-	pipe->readers -= decr;
-	pipe->writers -= decw;
-
-	if (!pipe->readers && !pipe->writers) {
+    atomic_sub(decr, &pipe->readers);
+    atomic_sub(decw, &pipe->writers);
+  
+    if (!atomic_read(&pipe->readers) && !atomic_read(&pipe->writers)) {
 
 #ifdef CONFIG_RSBAC
 		union rsbac_target_id_t rsbac_target_id;
diff -Nur linux-rsbac-2.6.33.6/init/do_mounts.c linux-rsbac-pax-2.6.33.6/init/do_mounts.c
--- linux-rsbac-2.6.33.6/init/do_mounts.c	2010-07-16 01:17:06.221533528 +0200
+++ linux-rsbac-pax-2.6.33.6/init/do_mounts.c	2010-07-16 00:56:23.195651971 +0200
@@ -424,8 +424,8 @@
 	mount_root();
 out:
 	devtmpfs_mount("dev");
-	sys_mount(".", "/", NULL, MS_MOVE, NULL);
-	sys_chroot(".");
+	sys_mount((__force char __user *)".", (__force char __user *)"/", NULL, MS_MOVE, NULL);
+	sys_chroot((__force char __user *)".");
 
         /* RSBAC: OK, most stuff initialized and root mounted: Init RSBAC. */
 #ifdef CONFIG_RSBAC
diff -Nur linux-rsbac-2.6.33.6/mm/mprotect.c linux-rsbac-pax-2.6.33.6/mm/mprotect.c
--- linux-rsbac-2.6.33.6/mm/mprotect.c	2010-07-16 01:17:06.430558377 +0200
+++ linux-rsbac-pax-2.6.33.6/mm/mprotect.c	2010-07-16 00:57:44.582850363 +0200
@@ -24,10 +24,16 @@
 #include <linux/mmu_notifier.h>
 #include <linux/migrate.h>
 #include <linux/perf_event.h>
+
+#ifdef CONFIG_PAX_MPROTECT
+#include <linux/elf.h>
+#endif
+
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
+#include <asm/mmu_context.h>
 #include <rsbac/hooks.h>
 
 #ifndef pgprot_modify
</code>