[[wiki:experiences/igraltist|Back to igraltist's experiences]] ====== Patch for kernel rsbac-pax 2.6.33.3 ===== 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-2.6.33.3.tar.bz2|linux-kernel]] * [[http://download.rsbac.org/pre/rsbac-1.4.4-2.6.33.3.diff.bz2|rsbac-patch]] * [[http://www.grsecurity.net/~paxguy1/pax-linux-2.6.33.3-test18.patch|pax-patch]] At least apply this patch. diff -uNrp rsbac-2.6.33-prepar-pax/fs/exec.c rsbac-pax-2.6.33/fs/exec.c --- rsbac-2.6.33-prepar-pax/fs/exec.c 2010-05-07 15:14:48.514606394 +0200 +++ rsbac-pax-2.6.33/fs/exec.c 2010-05-07 15:00:43.169631763 +0200 @@ -56,11 +56,24 @@ #include #include +#include +#include + +#ifdef CONFIG_PAX_REFCOUNT +#include +#include +#endif + #include #include #include #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 int core_uses_pid; diff -uNrp rsbac-2.6.33-prepar-pax/fs/pipe.c rsbac-pax-2.6.33/fs/pipe.c --- rsbac-2.6.33-prepar-pax/fs/pipe.c 2010-05-07 15:14:49.517606551 +0200 +++ rsbac-pax-2.6.33/fs/pipe.c 2010-05-07 15:02:13.871606431 +0200 @@ -776,10 +776,10 @@ pipe_release(struct inode *inode, int de 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 -uNrp rsbac-2.6.33-prepar-pax/init/do_mounts.c rsbac-pax-2.6.33/init/do_mounts.c --- rsbac-2.6.33-prepar-pax/init/do_mounts.c 2010-05-07 15:14:52.007605933 +0200 +++ rsbac-pax-2.6.33/init/do_mounts.c 2010-05-07 15:03:37.947065115 +0200 @@ -424,8 +424,8 @@ void __init prepare_namespace(void) 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 -uNrp rsbac-2.6.33-prepar-pax/mm/mprotect.c rsbac-pax-2.6.33/mm/mprotect.c --- rsbac-2.6.33-prepar-pax/mm/mprotect.c 2010-05-07 15:14:53.831981467 +0200 +++ rsbac-pax-2.6.33/mm/mprotect.c 2010-05-07 15:05:33.261719663 +0200 @@ -24,10 +24,16 @@ #include #include #include + +#ifdef CONFIG_PAX_MPROTECT +#include +#endif + #include #include #include #include +#include #include #ifndef pgprot_modify