[[wiki:experiences/igraltist/patches|Back to igraltist's experiences]]
<code bash>
diff -u --recursive rsbac_2.6.31.5/fs/exec.c rsbac_2.6.31.5_r802/fs/exec.c
--- rsbac_2.6.31.5/fs/exec.c	2009-10-28 23:55:52.844771089 +0100
+++ rsbac_2.6.31.5_r802/fs/exec.c	2009-10-28 23:43:38.169770699 +0100
@@ -55,12 +55,23 @@
 #include <linux/kmod.h>
 #include <linux/fsnotify.h>
 #include <linux/fs_struct.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 -u --recursive rsbac_2.6.31.5/fs/pipe.c rsbac_2.6.31.5_r802/fs/pipe.c
--- rsbac_2.6.31.5/fs/pipe.c	2009-10-28 23:55:54.697835298 +0100
+++ rsbac_2.6.31.5_r802/fs/pipe.c	2009-10-28 23:42:44.939358139 +0100
@@ -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 --recursive rsbac_2.6.31.5/init/do_mounts.c rsbac_2.6.31.5_r802/init/do_mounts.c
--- rsbac_2.6.31.5/init/do_mounts.c	2009-10-28 23:55:57.681869144 +0100
+++ rsbac_2.6.31.5_r802/init/do_mounts.c	2009-10-28 23:43:38.169770699 +0100
@@ -423,8 +423,8 @@
 
 	mount_root();
 out:
-	sys_mount(".", "/", NULL, MS_MOVE, NULL);
-	sys_chroot(".");
+	sys_mount((char __user *)".", (char __user *)"/", NULL, MS_MOVE, NULL);
+	sys_chroot((char __user *)".");
 
         /* RSBAC: OK, most stuff initialized and root mounted: Init RSBAC. */
 #ifdef CONFIG_RSBAC
diff -u --recursive rsbac_2.6.31.5/mm/mprotect.c rsbac_2.6.31.5_r802/mm/mprotect.c
--- rsbac_2.6.31.5/mm/mprotect.c	2009-10-28 23:55:59.767198890 +0100
+++ rsbac_2.6.31.5_r802/mm/mprotect.c	2009-10-28 23:43:38.196557623 +0100
@@ -24,10 +24,17 @@
 #include <linux/mmu_notifier.h>
 #include <linux/migrate.h>
 #include <linux/perf_counter.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>