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====== Patch for kernel rsbac-pax 2.6.32.11 =====

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-2.6.32.11.tar.bz2|linux-kernel]]
  * [[http://download.rsbac.org/pre/rsbac-1.4.3-2.6.32.11.diff.bz2|rsbac-patch]]
  * [[http://www.grsecurity.net/~paxguy1/pax-linux-2.6.32.11-test33.patch|pax-patch]]

At least apply this patch.

<code bash>
diff -u -r rsbac-2.6.32.11/fs/exec.c rsbac-pax-2.6.32.11/fs/exec.c
--- rsbac-2.6.32.11/fs/exec.c	2010-04-20 23:13:00.736182773 +0200
+++ rsbac-pax-2.6.32.11/fs/exec.c	2010-04-20 23:01:46.866545785 +0200
@@ -56,6 +56,13 @@
 #include <linux/fsnotify.h>
 #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>
@@ -64,6 +71,11 @@
 
 #include <rsbac/hooks.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
+
 int core_uses_pid;
 char core_pattern[CORENAME_MAX_SIZE] = "core";
 unsigned int core_pipe_limit;
diff -u -r rsbac-2.6.32.11/fs/pipe.c rsbac-pax-2.6.32.11/fs/pipe.c
--- rsbac-2.6.32.11/fs/pipe.c	2010-04-20 23:13:01.507420612 +0200
+++ rsbac-pax-2.6.32.11/fs/pipe.c	2010-04-20 23:03:12.873670404 +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 -u -r rsbac-2.6.32.11/init/do_mounts.c rsbac-pax-2.6.32.11/init/do_mounts.c
--- rsbac-2.6.32.11/init/do_mounts.c	2010-04-20 23:13:03.600420511 +0200
+++ rsbac-pax-2.6.32.11/init/do_mounts.c	2010-04-20 23:05:08.094420553 +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 -u -r rsbac-2.6.32.11/mm/mprotect.c rsbac-pax-2.6.32.11/mm/mprotect.c
--- rsbac-2.6.32.11/mm/mprotect.c	2010-04-20 23:13:05.084420401 +0200
+++ rsbac-pax-2.6.32.11/mm/mprotect.c	2010-04-20 23:06:58.428670265 +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>