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====== Patch for kernel rsbac-pax 2.6.33.4 =====

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-2.6.33.4.tar.bz2|linux-kernel]]
  * [[http://download.rsbac.org/pre/rsbac-1.4.4-2.6.33.4.diff.bz2|rsbac-patch]]
  * [[http://www.grsecurity.net/~paxguy1/pax-linux-2.6.33.4-test19.patch|pax-patch]]

At least apply this patch.
<code bash>
diff -urN rsbac/fs/exec.c rsbac_pax/fs/exec.c
--- rsbac/fs/exec.c	2010-05-21 19:28:14.857432899 +0200
+++ rsbac_pax/fs/exec.c	2010-05-21 19:22:59.209432986 +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 -urN rsbac/fs/pipe.c rsbac_pax/fs/pipe.c
--- rsbac/fs/pipe.c	2010-05-21 19:28:15.686723267 +0200
+++ rsbac_pax/fs/pipe.c	2010-05-21 19:24:15.815558034 +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 -urN rsbac/init/do_mounts.c rsbac_pax/init/do_mounts.c
--- rsbac/init/do_mounts.c	2010-05-21 19:28:17.787434819 +0200
+++ rsbac_pax/init/do_mounts.c	2010-05-21 19:25:19.909433034 +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 -urN rsbac/mm/mprotect.c rsbac_pax/mm/mprotect.c
--- rsbac/mm/mprotect.c	2010-05-21 19:28:19.243441467 +0200
+++ rsbac_pax/mm/mprotect.c	2010-05-21 19:26:14.384557886 +0200
@@ -24,10 +24,17 @@
 #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>