main/linux-grsec: upgrade to 3.2.7 and enable 9P filesystem

4 files changed, 290 insertions, 161 deletions

diff --git a/main/linux-grsec/APKBUILD b/main/linux-grsec/APKBUILD
index 1f5b17a82..90bf9d1be 100644
--- a/main/linux-grsec/APKBUILD
+++ b/main/linux-grsec/APKBUILD
@@ -2,7 +2,7 @@
 
 _flavor=grsec
 pkgname=linux-${_flavor}
-pkgver=3.2.6
+pkgver=3.2.7
 _kernver=3.2
 pkgrel=0
 pkgdesc="Linux kernel with grsecurity"
@@ -14,7 +14,7 @@ _config=${config:-kernelconfig.${CARCH}}
 install=
 source="http://ftp.kernel.org/pub/linux/kernel/v3.0/linux-$_kernver.tar.bz2
 	http://ftp.kernel.org/pub/linux/kernel/v3.0/patch-$pkgver.bz2
-	grsecurity-2.2.2-3.2.6-201202131824.patch
+	grsecurity-2.2.2-3.2.7-201202202005.patch
 	
 	0004-arp-flush-arp-cache-on-device-change.patch
 
@@ -140,10 +140,10 @@ dev() {
 }
 
 md5sums="7ceb61f87c097fc17509844b71268935  linux-3.2.tar.bz2
-2bd4679899df503177a3b61ae2068749  patch-3.2.6.bz2
-905e73610bfdb7fd497fa95adcbea2ce  grsecurity-2.2.2-3.2.6-201202131824.patch
+899624bffed6a19578613b672cc9483f  patch-3.2.7.bz2
+1a1512cc453f2470a42968e015a26eff  grsecurity-2.2.2-3.2.7-201202202005.patch
 776adeeb5272093574f8836c5037dd7d  0004-arp-flush-arp-cache-on-device-change.patch
 f3eda7112ef074a4121ec6de943c63ee  x86-centaur-enable-cx8-for-via-eden-too.patch
 62cc7d7b5ba7ef05b72ff91c0411c189  linux-3.0.x-regression-with-ipv4-routes-having-mtu.patch
-bd0b139de82316d44cf3376533daddb8  kernelconfig.x86
-84644f7193b0b9d9bd474b5ec322a0f8  kernelconfig.x86_64"
+339d4dd7f74b87d13adff5d2d2abf86a  kernelconfig.x86
+68204744d18679153a2a1e932290f93d  kernelconfig.x86_64"
diff --git a/main/linux-grsec/grsecurity-2.2.2-3.2.6-201202131824.patch b/main/linux-grsec/grsecurity-2.2.2-3.2.7-201202202005.patch
index 2ac63128e..816b75a7d 100644
--- a/main/linux-grsec/grsecurity-2.2.2-3.2.6-201202131824.patch
+++ b/main/linux-grsec/grsecurity-2.2.2-3.2.7-201202202005.patch
@@ -186,7 +186,7 @@ index 81c287f..d456d02 100644
  
  	pcd.		[PARIDE]
 diff --git a/Makefile b/Makefile
-index 47fe496..c50bd2a 100644
+index d1bdc90..e95fe1a 100644
 --- a/Makefile
 +++ b/Makefile
 @@ -245,8 +245,9 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
@@ -10910,7 +10910,7 @@ index 566e803..b9521e9 100644
  }
  
 diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
-index 1c66d30..23ab77d 100644
+index 1c66d30..e66922c 100644
 --- a/arch/x86/include/asm/uaccess_64.h
 +++ b/arch/x86/include/asm/uaccess_64.h
 @@ -10,6 +10,9 @@
@@ -10939,7 +10939,12 @@ index 1c66d30..23ab77d 100644
  {
  	unsigned ret;
  
-@@ -36,138 +39,222 @@ copy_user_generic(void *to, const void *from, unsigned len)
+@@ -32,142 +35,226 @@ copy_user_generic(void *to, const void *from, unsigned len)
+ 			 ASM_OUTPUT2("=a" (ret), "=D" (to), "=S" (from),
+ 				     "=d" (len)),
+ 			 "1" (to), "2" (from), "3" (len)
+-			 : "memory", "rcx", "r8", "r9", "r10", "r11");
++			 : "memory", "rcx", "r8", "r9", "r11");
  	return ret;
  }
  
@@ -41441,7 +41446,7 @@ index 608c1c3..7d040a8 100644
  	return rc;
  }
 diff --git a/fs/exec.c b/fs/exec.c
-index 3625464..7949233 100644
+index 3625464..7c7ce8b 100644
 --- a/fs/exec.c
 +++ b/fs/exec.c
 @@ -55,12 +55,28 @@
@@ -41504,7 +41509,25 @@ index 3625464..7949233 100644
  		return NULL;
  
  	if (write) {
-@@ -274,6 +282,11 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
+@@ -215,6 +223,17 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
+ 		if (size <= ARG_MAX)
+ 			return page;
+ 
++#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
++		// only allow 1MB for argv+env on suid/sgid binaries
++		// to prevent easy ASLR exhaustion
++		if (((bprm->cred->euid != current_euid()) ||
++		     (bprm->cred->egid != current_egid())) &&
++		    (size > (1024 * 1024))) {
++			put_page(page);
++			return NULL;
++		}
++#endif
++
+ 		/*
+ 		 * Limit to 1/4-th the stack size for the argv+env strings.
+ 		 * This ensures that:
+@@ -274,6 +293,11 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
  	vma->vm_end = STACK_TOP_MAX;
  	vma->vm_start = vma->vm_end - PAGE_SIZE;
  	vma->vm_flags = VM_STACK_FLAGS | VM_STACK_INCOMPLETE_SETUP;
@@ -41516,7 +41539,7 @@ index 3625464..7949233 100644
  	vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
  	INIT_LIST_HEAD(&vma->anon_vma_chain);
  
-@@ -288,6 +301,12 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
+@@ -288,6 +312,12 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
  	mm->stack_vm = mm->total_vm = 1;
  	up_write(&mm->mmap_sem);
  	bprm->p = vma->vm_end - sizeof(void *);
@@ -41529,7 +41552,7 @@ index 3625464..7949233 100644
  	return 0;
  err:
  	up_write(&mm->mmap_sem);
-@@ -396,19 +415,7 @@ err:
+@@ -396,19 +426,7 @@ err:
  	return err;
  }
  
@@ -41550,7 +41573,7 @@ index 3625464..7949233 100644
  {
  	const char __user *native;
  
-@@ -417,14 +424,14 @@ static const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr)
+@@ -417,14 +435,14 @@ static const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr)
  		compat_uptr_t compat;
  
  		if (get_user(compat, argv.ptr.compat + nr))
@@ -41567,7 +41590,7 @@ index 3625464..7949233 100644
  
  	return native;
  }
-@@ -443,7 +450,7 @@ static int count(struct user_arg_ptr argv, int max)
+@@ -443,7 +461,7 @@ static int count(struct user_arg_ptr argv, int max)
  			if (!p)
  				break;
  
@@ -41576,7 +41599,7 @@ index 3625464..7949233 100644
  				return -EFAULT;
  
  			if (i++ >= max)
-@@ -477,7 +484,7 @@ static int copy_strings(int argc, struct user_arg_ptr argv,
+@@ -477,7 +495,7 @@ static int copy_strings(int argc, struct user_arg_ptr argv,
  
  		ret = -EFAULT;
  		str = get_user_arg_ptr(argv, argc);
@@ -41585,7 +41608,7 @@ index 3625464..7949233 100644
  			goto out;
  
  		len = strnlen_user(str, MAX_ARG_STRLEN);
-@@ -559,7 +566,7 @@ int copy_strings_kernel(int argc, const char *const *__argv,
+@@ -559,7 +577,7 @@ int copy_strings_kernel(int argc, const char *const *__argv,
  	int r;
  	mm_segment_t oldfs = get_fs();
  	struct user_arg_ptr argv = {
@@ -41594,7 +41617,7 @@ index 3625464..7949233 100644
  	};
  
  	set_fs(KERNEL_DS);
-@@ -594,7 +601,8 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
+@@ -594,7 +612,8 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
  	unsigned long new_end = old_end - shift;
  	struct mmu_gather tlb;
  
@@ -41604,7 +41627,7 @@ index 3625464..7949233 100644
  
  	/*
  	 * ensure there are no vmas between where we want to go
-@@ -603,6 +611,10 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
+@@ -603,6 +622,10 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
  	if (vma != find_vma(mm, new_start))
  		return -EFAULT;
  
@@ -41615,7 +41638,7 @@ index 3625464..7949233 100644
  	/*
  	 * cover the whole range: [new_start, old_end)
  	 */
-@@ -683,10 +695,6 @@ int setup_arg_pages(struct linux_binprm *bprm,
+@@ -683,10 +706,6 @@ int setup_arg_pages(struct linux_binprm *bprm,
  	stack_top = arch_align_stack(stack_top);
  	stack_top = PAGE_ALIGN(stack_top);
  
@@ -41626,7 +41649,7 @@ index 3625464..7949233 100644
  	stack_shift = vma->vm_end - stack_top;
  
  	bprm->p -= stack_shift;
-@@ -698,8 +706,28 @@ int setup_arg_pages(struct linux_binprm *bprm,
+@@ -698,8 +717,28 @@ int setup_arg_pages(struct linux_binprm *bprm,
  	bprm->exec -= stack_shift;
  
  	down_write(&mm->mmap_sem);
@@ -41655,7 +41678,7 @@ index 3625464..7949233 100644
  	/*
  	 * Adjust stack execute permissions; explicitly enable for
  	 * EXSTACK_ENABLE_X, disable for EXSTACK_DISABLE_X and leave alone
-@@ -718,13 +746,6 @@ int setup_arg_pages(struct linux_binprm *bprm,
+@@ -718,13 +757,6 @@ int setup_arg_pages(struct linux_binprm *bprm,
  		goto out_unlock;
  	BUG_ON(prev != vma);
  
@@ -41669,7 +41692,7 @@ index 3625464..7949233 100644
  	/* mprotect_fixup is overkill to remove the temporary stack flags */
  	vma->vm_flags &= ~VM_STACK_INCOMPLETE_SETUP;
  
-@@ -805,7 +826,7 @@ int kernel_read(struct file *file, loff_t offset,
+@@ -805,7 +837,7 @@ int kernel_read(struct file *file, loff_t offset,
  	old_fs = get_fs();
  	set_fs(get_ds());
  	/* The cast to a user pointer is valid due to the set_fs() */
@@ -41678,7 +41701,7 @@ index 3625464..7949233 100644
  	set_fs(old_fs);
  	return result;
  }
-@@ -1067,6 +1088,21 @@ void set_task_comm(struct task_struct *tsk, char *buf)
+@@ -1067,6 +1099,21 @@ void set_task_comm(struct task_struct *tsk, char *buf)
  	perf_event_comm(tsk);
  }
  
@@ -41700,7 +41723,7 @@ index 3625464..7949233 100644
  int flush_old_exec(struct linux_binprm * bprm)
  {
  	int retval;
-@@ -1081,6 +1117,7 @@ int flush_old_exec(struct linux_binprm * bprm)
+@@ -1081,6 +1128,7 @@ int flush_old_exec(struct linux_binprm * bprm)
  
  	set_mm_exe_file(bprm->mm, bprm->file);
  
@@ -41708,7 +41731,7 @@ index 3625464..7949233 100644
  	/*
  	 * Release all of the old mmap stuff
  	 */
-@@ -1112,10 +1149,6 @@ EXPORT_SYMBOL(would_dump);
+@@ -1112,10 +1160,6 @@ EXPORT_SYMBOL(would_dump);
  
  void setup_new_exec(struct linux_binprm * bprm)
  {
@@ -41719,7 +41742,7 @@ index 3625464..7949233 100644
  	arch_pick_mmap_layout(current->mm);
  
  	/* This is the point of no return */
-@@ -1126,18 +1159,7 @@ void setup_new_exec(struct linux_binprm * bprm)
+@@ -1126,18 +1170,7 @@ void setup_new_exec(struct linux_binprm * bprm)
  	else
  		set_dumpable(current->mm, suid_dumpable);
  
@@ -41739,7 +41762,7 @@ index 3625464..7949233 100644
  
  	/* Set the new mm task size. We have to do that late because it may
  	 * depend on TIF_32BIT which is only updated in flush_thread() on
-@@ -1247,7 +1269,7 @@ int check_unsafe_exec(struct linux_binprm *bprm)
+@@ -1247,7 +1280,7 @@ int check_unsafe_exec(struct linux_binprm *bprm)
  	}
  	rcu_read_unlock();
  
@@ -41748,7 +41771,7 @@ index 3625464..7949233 100644
  		bprm->unsafe |= LSM_UNSAFE_SHARE;
  	} else {
  		res = -EAGAIN;
-@@ -1442,6 +1464,10 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
+@@ -1442,6 +1475,10 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
  
  EXPORT_SYMBOL(search_binary_handler);
  
@@ -41759,7 +41782,7 @@ index 3625464..7949233 100644
  /*
   * sys_execve() executes a new program.
   */
-@@ -1450,6 +1476,11 @@ static int do_execve_common(const char *filename,
+@@ -1450,6 +1487,11 @@ static int do_execve_common(const char *filename,
  				struct user_arg_ptr envp,
  				struct pt_regs *regs)
  {
@@ -41771,7 +41794,7 @@ index 3625464..7949233 100644
  	struct linux_binprm *bprm;
  	struct file *file;
  	struct files_struct *displaced;
-@@ -1457,6 +1488,8 @@ static int do_execve_common(const char *filename,
+@@ -1457,6 +1499,8 @@ static int do_execve_common(const char *filename,
  	int retval;
  	const struct cred *cred = current_cred();
  
@@ -41780,7 +41803,7 @@ index 3625464..7949233 100644
  	/*
  	 * We move the actual failure in case of RLIMIT_NPROC excess from
  	 * set*uid() to execve() because too many poorly written programs
-@@ -1497,12 +1530,27 @@ static int do_execve_common(const char *filename,
+@@ -1497,12 +1541,27 @@ static int do_execve_common(const char *filename,
  	if (IS_ERR(file))
  		goto out_unmark;
  
@@ -41808,7 +41831,7 @@ index 3625464..7949233 100644
  	retval = bprm_mm_init(bprm);
  	if (retval)
  		goto out_file;
-@@ -1532,11 +1580,46 @@ static int do_execve_common(const char *filename,
+@@ -1532,11 +1591,46 @@ static int do_execve_common(const char *filename,
  	if (retval < 0)
  		goto out;
  
@@ -41856,7 +41879,7 @@ index 3625464..7949233 100644
  	current->fs->in_exec = 0;
  	current->in_execve = 0;
  	acct_update_integrals(current);
-@@ -1545,6 +1628,14 @@ static int do_execve_common(const char *filename,
+@@ -1545,6 +1639,14 @@ static int do_execve_common(const char *filename,
  		put_files_struct(displaced);
  	return retval;
  
@@ -41871,7 +41894,7 @@ index 3625464..7949233 100644
  out:
  	if (bprm->mm) {
  		acct_arg_size(bprm, 0);
-@@ -1618,7 +1709,7 @@ static int expand_corename(struct core_name *cn)
+@@ -1618,7 +1720,7 @@ static int expand_corename(struct core_name *cn)
  {
  	char *old_corename = cn->corename;
  
@@ -41880,7 +41903,7 @@ index 3625464..7949233 100644
  	cn->corename = krealloc(old_corename, cn->size, GFP_KERNEL);
  
  	if (!cn->corename) {
-@@ -1715,7 +1806,7 @@ static int format_corename(struct core_name *cn, long signr)
+@@ -1715,7 +1817,7 @@ static int format_corename(struct core_name *cn, long signr)
  	int pid_in_pattern = 0;
  	int err = 0;
  
@@ -41889,7 +41912,7 @@ index 3625464..7949233 100644
  	cn->corename = kmalloc(cn->size, GFP_KERNEL);
  	cn->used = 0;
  
-@@ -1812,6 +1903,218 @@ out:
+@@ -1812,6 +1914,218 @@ out:
  	return ispipe;
  }
  
@@ -42108,7 +42131,7 @@ index 3625464..7949233 100644
  static int zap_process(struct task_struct *start, int exit_code)
  {
  	struct task_struct *t;
-@@ -2023,17 +2326,17 @@ static void wait_for_dump_helpers(struct file *file)
+@@ -2023,17 +2337,17 @@ static void wait_for_dump_helpers(struct file *file)
  	pipe = file->f_path.dentry->d_inode->i_pipe;
  
  	pipe_lock(pipe);
@@ -42131,7 +42154,7 @@ index 3625464..7949233 100644
  	pipe_unlock(pipe);
  
  }
-@@ -2094,7 +2397,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
+@@ -2094,7 +2408,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
  	int retval = 0;
  	int flag = 0;
  	int ispipe;
@@ -42140,7 +42163,7 @@ index 3625464..7949233 100644
  	struct coredump_params cprm = {
  		.signr = signr,
  		.regs = regs,
-@@ -2109,6 +2412,9 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
+@@ -2109,6 +2423,9 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
  
  	audit_core_dumps(signr);
  
@@ -42150,7 +42173,7 @@ index 3625464..7949233 100644
  	binfmt = mm->binfmt;
  	if (!binfmt || !binfmt->core_dump)
  		goto fail;
-@@ -2176,7 +2482,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
+@@ -2176,7 +2493,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
  		}
  		cprm.limit = RLIM_INFINITY;
  
@@ -42159,7 +42182,7 @@ index 3625464..7949233 100644
  		if (core_pipe_limit && (core_pipe_limit < dump_count)) {
  			printk(KERN_WARNING "Pid %d(%s) over core_pipe_limit\n",
  			       task_tgid_vnr(current), current->comm);
-@@ -2203,6 +2509,8 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
+@@ -2203,6 +2520,8 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
  	} else {
  		struct inode *inode;
  
@@ -42168,7 +42191,7 @@ index 3625464..7949233 100644
  		if (cprm.limit < binfmt->min_coredump)
  			goto fail_unlock;
  
-@@ -2246,7 +2554,7 @@ close_fail:
+@@ -2246,7 +2565,7 @@ close_fail:
  		filp_close(cprm.file, NULL);
  fail_dropcount:
  	if (ispipe)
@@ -42177,7 +42200,7 @@ index 3625464..7949233 100644
  fail_unlock:
  	kfree(cn.corename);
  fail_corename:
-@@ -2265,7 +2573,7 @@ fail:
+@@ -2265,7 +2584,7 @@ fail:
   */
  int dump_write(struct file *file, const void *addr, int nr)
  {
@@ -46563,10 +46586,18 @@ index d33418f..2a5345e 100644
  		return -EINVAL;
  
 diff --git a/fs/seq_file.c b/fs/seq_file.c
-index dba43c3..1dfaf14 100644
+index dba43c3..9fb8511 100644
 --- a/fs/seq_file.c
 +++ b/fs/seq_file.c
-@@ -40,6 +40,9 @@ int seq_open(struct file *file, const struct seq_operations *op)
+@@ -9,6 +9,7 @@
+ #include <linux/module.h>
+ #include <linux/seq_file.h>
+ #include <linux/slab.h>
++#include <linux/sched.h>
+ 
+ #include <asm/uaccess.h>
+ #include <asm/page.h>
+@@ -40,6 +41,9 @@ int seq_open(struct file *file, const struct seq_operations *op)
  	memset(p, 0, sizeof(*p));
  	mutex_init(&p->lock);
  	p->op = op;
@@ -46576,7 +46607,7 @@ index dba43c3..1dfaf14 100644
  
  	/*
  	 * Wrappers around seq_open(e.g. swaps_open) need to be
-@@ -76,7 +79,8 @@ static int traverse(struct seq_file *m, loff_t offset)
+@@ -76,7 +80,8 @@ static int traverse(struct seq_file *m, loff_t offset)
  		return 0;
  	}
  	if (!m->buf) {
@@ -46586,7 +46617,7 @@ index dba43c3..1dfaf14 100644
  		if (!m->buf)
  			return -ENOMEM;
  	}
-@@ -116,7 +120,8 @@ static int traverse(struct seq_file *m, loff_t offset)
+@@ -116,7 +121,8 @@ static int traverse(struct seq_file *m, loff_t offset)
  Eoverflow:
  	m->op->stop(m, p);
  	kfree(m->buf);
@@ -46596,7 +46627,7 @@ index dba43c3..1dfaf14 100644
  	return !m->buf ? -ENOMEM : -EAGAIN;
  }
  
-@@ -169,7 +174,8 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
+@@ -169,7 +175,8 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
  	m->version = file->f_version;
  	/* grab buffer if we didn't have one */
  	if (!m->buf) {
@@ -46606,7 +46637,7 @@ index dba43c3..1dfaf14 100644
  		if (!m->buf)
  			goto Enomem;
  	}
-@@ -210,7 +216,8 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
+@@ -210,7 +217,8 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
  			goto Fill;
  		m->op->stop(m, p);
  		kfree(m->buf);
@@ -46616,7 +46647,7 @@ index dba43c3..1dfaf14 100644
  		if (!m->buf)
  			goto Enomem;
  		m->count = 0;
-@@ -549,7 +556,7 @@ static void single_stop(struct seq_file *p, void *v)
+@@ -549,7 +557,7 @@ static void single_stop(struct seq_file *p, void *v)
  int single_open(struct file *file, int (*show)(struct seq_file *, void *),
  		void *data)
  {
@@ -47033,10 +47064,10 @@ index 23ce927..e274cc1 100644
  		kfree(s);
 diff --git a/grsecurity/Kconfig b/grsecurity/Kconfig
 new file mode 100644
-index 0000000..8faa28b
+index 0000000..41df561
 --- /dev/null
 +++ b/grsecurity/Kconfig
-@@ -0,0 +1,1073 @@
+@@ -0,0 +1,1075 @@
 +#
 +# grecurity configuration
 +#
@@ -47243,7 +47274,7 @@ index 0000000..8faa28b
 +
 +endchoice
 +
-+menu "Address Space Protection"
++menu "Memory Protections"
 +depends on GRKERNSEC
 +
 +config GRKERNSEC_KMEM
@@ -47300,7 +47331,7 @@ index 0000000..8faa28b
 +	  protect your kernel against modification, use the RBAC system.
 +
 +config GRKERNSEC_PROC_MEMMAP
-+	bool "Remove addresses from /proc/<pid>/[smaps|maps|stat]"
++	bool "Harden ASLR against information leaks and entropy reduction"
 +	default y if (PAX_NOEXEC || PAX_ASLR)
 +	depends on PAX_NOEXEC || PAX_ASLR
 +	help
@@ -47311,9 +47342,11 @@ index 0000000..8faa28b
 +	  dangerous sources of information, this option causes reads of sensitive
 +	  /proc/<pid> entries where the file descriptor was opened in a different
 +	  task than the one performing the read.  Such attempts are logged.
-+	  If you use PaX it is greatly recommended that you say Y here as it
-+	  closes up a hole that makes the full ASLR useless for suid
-+	  binaries.
++	  Finally, this option limits argv/env strings for suid/sgid binaries
++	  to 1MB to prevent a complete exhaustion of the stack entropy provided
++	  by ASLR.
++	  If you use PaX it is essential that you say Y here as it closes up
++	  several holes that make full ASLR useless for suid/sgid binaries.
 +
 +config GRKERNSEC_BRUTE
 +	bool "Deter exploit bruteforcing"
@@ -48156,7 +48189,7 @@ index 0000000..1b9afa9
 +endif
 diff --git a/grsecurity/gracl.c b/grsecurity/gracl.c
 new file mode 100644
-index 0000000..6e989da
+index 0000000..cf294ac
 --- /dev/null
 +++ b/grsecurity/gracl.c
 @@ -0,0 +1,4163 @@
@@ -50653,8 +50686,8 @@ index 0000000..6e989da
 +
 +	/* don't change the role if we're not a privileged process */
 +	if (role && task->role != role &&
-+	    (((role->roletype & GR_ROLE_USER) && gr_acl_is_capable(CAP_SETUID)) ||
-+	     ((role->roletype & GR_ROLE_GROUP) && gr_acl_is_capable(CAP_SETGID))))
++	    (((role->roletype & GR_ROLE_USER) && !gr_acl_is_capable(CAP_SETUID)) ||
++	     ((role->roletype & GR_ROLE_GROUP) && !gr_acl_is_capable(CAP_SETGID))))
 +		return;
 +
 +	/* perform subject lookup in possibly new role
@@ -60374,7 +60407,7 @@ index 2148b12..519b820 100644
  
  static inline void anon_vma_merge(struct vm_area_struct *vma,
 diff --git a/include/linux/sched.h b/include/linux/sched.h
-index 1c4f3e9..dafcd27 100644
+index 1c4f3e9..b4e4851 100644
 --- a/include/linux/sched.h
 +++ b/include/linux/sched.h
 @@ -101,6 +101,7 @@ struct bio_list;
@@ -60491,7 +60524,7 @@ index 1c4f3e9..dafcd27 100644
 +#ifdef CONFIG_GRKERNSEC
 +	/* grsecurity */
 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+	long long exec_id;
++	u64 exec_id;
 +#endif
 +#ifdef CONFIG_GRKERNSEC_SETXID
 +	const struct cred *delayed_cred;
@@ -60650,7 +60683,7 @@ index e8c619d..e0cbd1c 100644
  
  /* Maximum number of letters for an LSM name string */
 diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
-index 0b69a46..4796016 100644
+index 0b69a46..b2ffa4c 100644
 --- a/include/linux/seq_file.h
 +++ b/include/linux/seq_file.h
 @@ -24,6 +24,9 @@ struct seq_file {
@@ -60658,7 +60691,7 @@ index 0b69a46..4796016 100644
  	const struct seq_operations *op;
  	int poll_event;
 +#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
-+	long long exec_id;
++	u64 exec_id;
 +#endif
  	void *private;
  };
@@ -65836,36 +65869,6 @@ index 9feffa4..54058df 100644
  		   rdp->dynticks->dynticks_nesting,
  		   rdp->dynticks->dynticks_nmi_nesting,
  		   rdp->dynticks_fqs);
-diff --git a/kernel/relay.c b/kernel/relay.c
-index 226fade..b6f803a 100644
---- a/kernel/relay.c
-+++ b/kernel/relay.c
-@@ -164,10 +164,14 @@ depopulate:
-  */
- static struct rchan_buf *relay_create_buf(struct rchan *chan)
- {
--	struct rchan_buf *buf = kzalloc(sizeof(struct rchan_buf), GFP_KERNEL);
-+	struct rchan_buf *buf;
-+
-+	if (chan->n_subbufs > UINT_MAX / sizeof(size_t *))
-+		return NULL;
-+
-+	buf = kzalloc(sizeof(struct rchan_buf), GFP_KERNEL);
- 	if (!buf)
- 		return NULL;
--
- 	buf->padding = kmalloc(chan->n_subbufs * sizeof(size_t *), GFP_KERNEL);
- 	if (!buf->padding)
- 		goto free_buf;
-@@ -574,6 +578,8 @@ struct rchan *relay_open(const char *base_filename,
- 
- 	if (!(subbuf_size && n_subbufs))
- 		return NULL;
-+	if (subbuf_size > UINT_MAX / n_subbufs)
-+		return NULL;
- 
- 	chan = kzalloc(sizeof(struct rchan), GFP_KERNEL);
- 	if (!chan)
 diff --git a/kernel/resource.c b/kernel/resource.c
 index 7640b3a..5879283 100644
 --- a/kernel/resource.c
@@ -68676,7 +68679,7 @@ index 4f4f53b..9511904 100644
  	    capable(CAP_IPC_LOCK))
  		ret = do_mlockall(flags);
 diff --git a/mm/mmap.c b/mm/mmap.c
-index eae90af..51ca80b 100644
+index eae90af..44552cf 100644
 --- a/mm/mmap.c
 +++ b/mm/mmap.c
 @@ -46,6 +46,16 @@
@@ -69301,20 +69304,60 @@ index eae90af..51ca80b 100644
  }
  
  unsigned long
-@@ -1638,6 +1864,28 @@ out:
- 	return prev ? prev->vm_next : vma;
- }
+@@ -1603,40 +1829,42 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
+ 
+ EXPORT_SYMBOL(find_vma);
  
+-/* Same as find_vma, but also return a pointer to the previous VMA in *pprev. */
++/*
++ * Same as find_vma, but also return a pointer to the previous VMA in *pprev.
++ * Note: pprev is set to NULL when return value is NULL.
++ */
+ struct vm_area_struct *
+ find_vma_prev(struct mm_struct *mm, unsigned long addr,
+ 			struct vm_area_struct **pprev)
+ {
+-	struct vm_area_struct *vma = NULL, *prev = NULL;
+-	struct rb_node *rb_node;
+-	if (!mm)
+-		goto out;
++	struct vm_area_struct *vma;
+ 
+-	/* Guard against addr being lower than the first VMA */
+-	vma = mm->mmap;
++	vma = find_vma(mm, addr);
++	*pprev = vma ? vma->vm_prev : NULL;
++	return vma;
++}
+ 
+-	/* Go through the RB tree quickly. */
+-	rb_node = mm->mm_rb.rb_node;
 +#ifdef CONFIG_PAX_SEGMEXEC
 +struct vm_area_struct *pax_find_mirror_vma(struct vm_area_struct *vma)
 +{
 +	struct vm_area_struct *vma_m;
-+
+ 
+-	while (rb_node) {
+-		struct vm_area_struct *vma_tmp;
+-		vma_tmp = rb_entry(rb_node, struct vm_area_struct, vm_rb);
+-
+-		if (addr < vma_tmp->vm_end) {
+-			rb_node = rb_node->rb_left;
+-		} else {
+-			prev = vma_tmp;
+-			if (!prev->vm_next || (addr < prev->vm_next->vm_end))
+-				break;
+-			rb_node = rb_node->rb_right;
+-		}
 +	BUG_ON(!vma || vma->vm_start >= vma->vm_end);
 +	if (!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) || !(vma->vm_flags & VM_EXEC)) {
 +		BUG_ON(vma->vm_mirror);
 +		return NULL;
-+	}
+ 	}
+-
+-out:
+-	*pprev = prev;
+-	return prev ? prev->vm_next : vma;
 +	BUG_ON(vma->vm_start < SEGMEXEC_TASK_SIZE && SEGMEXEC_TASK_SIZE < vma->vm_end);
 +	vma_m = vma->vm_mirror;
 +	BUG_ON(!vma_m || vma_m->vm_mirror != vma);
@@ -69324,13 +69367,12 @@ index eae90af..51ca80b 100644
 +	BUG_ON(vma->anon_vma != vma_m->anon_vma && vma->anon_vma->root != vma_m->anon_vma->root);
 +	BUG_ON((vma->vm_flags ^ vma_m->vm_flags) & ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT | VM_LOCKED | VM_RESERVED));
 +	return vma_m;
-+}
+ }
 +#endif
-+
+ 
  /*
   * Verify that the stack growth is acceptable and
-  * update accounting. This is shared with both the
-@@ -1654,6 +1902,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
+@@ -1654,6 +1882,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
  		return -ENOMEM;
  
  	/* Stack limit test */
@@ -69338,7 +69380,7 @@ index eae90af..51ca80b 100644
  	if (size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur))
  		return -ENOMEM;
  
-@@ -1664,6 +1913,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
+@@ -1664,6 +1893,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
  		locked = mm->locked_vm + grow;
  		limit = ACCESS_ONCE(rlim[RLIMIT_MEMLOCK].rlim_cur);
  		limit >>= PAGE_SHIFT;
@@ -69346,7 +69388,7 @@ index eae90af..51ca80b 100644
  		if (locked > limit && !capable(CAP_IPC_LOCK))
  			return -ENOMEM;
  	}
-@@ -1694,37 +1944,48 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
+@@ -1694,37 +1924,48 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
   * PA-RISC uses this for its stack; IA64 for its Register Backing Store.
   * vma is the last one with address > vma->vm_end.  Have to extend vma.
   */
@@ -69404,7 +69446,7 @@ index eae90af..51ca80b 100644
  		unsigned long size, grow;
  
  		size = address - vma->vm_start;
-@@ -1739,6 +2000,8 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address)
+@@ -1739,6 +1980,8 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address)
  			}
  		}
  	}
@@ -69413,7 +69455,7 @@ index eae90af..51ca80b 100644
  	vma_unlock_anon_vma(vma);
  	khugepaged_enter_vma_merge(vma);
  	return error;
-@@ -1752,6 +2015,8 @@ int expand_downwards(struct vm_area_struct *vma,
+@@ -1752,6 +1995,8 @@ int expand_downwards(struct vm_area_struct *vma,
  				   unsigned long address)
  {
  	int error;
@@ -69422,7 +69464,7 @@ index eae90af..51ca80b 100644
  
  	/*
  	 * We must make sure the anon_vma is allocated
-@@ -1765,6 +2030,15 @@ int expand_downwards(struct vm_area_struct *vma,
+@@ -1765,6 +2010,15 @@ int expand_downwards(struct vm_area_struct *vma,
  	if (error)
  		return error;
  
@@ -69438,7 +69480,7 @@ index eae90af..51ca80b 100644
  	vma_lock_anon_vma(vma);
  
  	/*
-@@ -1774,9 +2048,17 @@ int expand_downwards(struct vm_area_struct *vma,
+@@ -1774,9 +2028,17 @@ int expand_downwards(struct vm_area_struct *vma,
  	 */
  
  	/* Somebody else might have raced and expanded it already */
@@ -69457,7 +69499,7 @@ index eae90af..51ca80b 100644
  		size = vma->vm_end - address;
  		grow = (vma->vm_start - address) >> PAGE_SHIFT;
  
-@@ -1786,11 +2068,22 @@ int expand_downwards(struct vm_area_struct *vma,
+@@ -1786,11 +2048,22 @@ int expand_downwards(struct vm_area_struct *vma,
  			if (!error) {
  				vma->vm_start = address;
  				vma->vm_pgoff -= grow;
@@ -69480,7 +69522,7 @@ index eae90af..51ca80b 100644
  	khugepaged_enter_vma_merge(vma);
  	return error;
  }
-@@ -1860,6 +2153,13 @@ static void remove_vma_list(struct mm_struct *mm, struct vm_area_struct *vma)
+@@ -1860,6 +2133,13 @@ static void remove_vma_list(struct mm_struct *mm, struct vm_area_struct *vma)
  	do {
  		long nrpages = vma_pages(vma);
  
@@ -69494,7 +69536,7 @@ index eae90af..51ca80b 100644
  		mm->total_vm -= nrpages;
  		vm_stat_account(mm, vma->vm_flags, vma->vm_file, -nrpages);
  		vma = remove_vma(vma);
-@@ -1905,6 +2205,16 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma,
+@@ -1905,6 +2185,16 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma,
  	insertion_point = (prev ? &prev->vm_next : &mm->mmap);
  	vma->vm_prev = NULL;
  	do {
@@ -69511,7 +69553,7 @@ index eae90af..51ca80b 100644
  		rb_erase(&vma->vm_rb, &mm->mm_rb);
  		mm->map_count--;
  		tail_vma = vma;
-@@ -1933,14 +2243,33 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
+@@ -1933,14 +2223,33 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
  	struct vm_area_struct *new;
  	int err = -ENOMEM;
  
@@ -69545,7 +69587,7 @@ index eae90af..51ca80b 100644
  	/* most fields are the same, copy all, and then fixup */
  	*new = *vma;
  
-@@ -1953,6 +2282,22 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
+@@ -1953,6 +2262,22 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
  		new->vm_pgoff += ((addr - vma->vm_start) >> PAGE_SHIFT);
  	}
  
@@ -69568,7 +69610,7 @@ index eae90af..51ca80b 100644
  	pol = mpol_dup(vma_policy(vma));
  	if (IS_ERR(pol)) {
  		err = PTR_ERR(pol);
-@@ -1978,6 +2323,42 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
+@@ -1978,6 +2303,42 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
  	else
  		err = vma_adjust(vma, vma->vm_start, addr, vma->vm_pgoff, new);
  
@@ -69611,7 +69653,7 @@ index eae90af..51ca80b 100644
  	/* Success. */
  	if (!err)
  		return 0;
-@@ -1990,10 +2371,18 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
+@@ -1990,10 +2351,18 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
  			removed_exe_file_vma(mm);
  		fput(new->vm_file);
  	}
@@ -69631,7 +69673,7 @@ index eae90af..51ca80b 100644
  	kmem_cache_free(vm_area_cachep, new);
   out_err:
  	return err;
-@@ -2006,6 +2395,15 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
+@@ -2006,6 +2375,15 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
  int split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
  	      unsigned long addr, int new_below)
  {
@@ -69647,7 +69689,7 @@ index eae90af..51ca80b 100644
  	if (mm->map_count >= sysctl_max_map_count)
  		return -ENOMEM;
  
-@@ -2017,11 +2415,30 @@ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
+@@ -2017,11 +2395,30 @@ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
   * work.  This now handles partial unmappings.
   * Jeremy Fitzhardinge <jeremy@goop.org>
   */
@@ -69678,7 +69720,7 @@ index eae90af..51ca80b 100644
  	if ((start & ~PAGE_MASK) || start > TASK_SIZE || len > TASK_SIZE-start)
  		return -EINVAL;
  
-@@ -2096,6 +2513,8 @@ int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
+@@ -2096,6 +2493,8 @@ int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
  	/* Fix up all other VM information */
  	remove_vma_list(mm, vma);
  
@@ -69687,7 +69729,7 @@ index eae90af..51ca80b 100644
  	return 0;
  }
  
-@@ -2108,22 +2527,18 @@ SYSCALL_DEFINE2(munmap, unsigned long, addr, size_t, len)
+@@ -2108,22 +2507,18 @@ SYSCALL_DEFINE2(munmap, unsigned long, addr, size_t, len)
  
  	profile_munmap(addr);
  
@@ -69716,7 +69758,7 @@ index eae90af..51ca80b 100644
  /*
   *  this is really a simplified "do_mmap".  it only handles
   *  anonymous maps.  eventually we may be able to do some
-@@ -2137,6 +2552,7 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
+@@ -2137,6 +2532,7 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
  	struct rb_node ** rb_link, * rb_parent;
  	pgoff_t pgoff = addr >> PAGE_SHIFT;
  	int error;
@@ -69724,7 +69766,7 @@ index eae90af..51ca80b 100644
  
  	len = PAGE_ALIGN(len);
  	if (!len)
-@@ -2148,16 +2564,30 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
+@@ -2148,16 +2544,30 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
  
  	flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags;
  
@@ -69756,7 +69798,7 @@ index eae90af..51ca80b 100644
  		locked += mm->locked_vm;
  		lock_limit = rlimit(RLIMIT_MEMLOCK);
  		lock_limit >>= PAGE_SHIFT;
-@@ -2174,22 +2604,22 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
+@@ -2174,22 +2584,22 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
  	/*
  	 * Clear old maps.  this also does some error checking for us
  	 */
@@ -69783,7 +69825,7 @@ index eae90af..51ca80b 100644
  		return -ENOMEM;
  
  	/* Can we just expand an old private anonymous mapping? */
-@@ -2203,7 +2633,7 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
+@@ -2203,7 +2613,7 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
  	 */
  	vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
  	if (!vma) {
@@ -69792,7 +69834,7 @@ index eae90af..51ca80b 100644
  		return -ENOMEM;
  	}
  
-@@ -2217,11 +2647,12 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
+@@ -2217,11 +2627,12 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
  	vma_link(mm, vma, prev, rb_link, rb_parent);
  out:
  	perf_event_mmap(vma);
@@ -69807,7 +69849,7 @@ index eae90af..51ca80b 100644
  	return addr;
  }
  
-@@ -2268,8 +2699,10 @@ void exit_mmap(struct mm_struct *mm)
+@@ -2268,8 +2679,10 @@ void exit_mmap(struct mm_struct *mm)
  	 * Walk the list again, actually closing and freeing it,
  	 * with preemption enabled, without holding any MM locks.
  	 */
@@ -69819,7 +69861,7 @@ index eae90af..51ca80b 100644
  
  	BUG_ON(mm->nr_ptes > (FIRST_USER_ADDRESS+PMD_SIZE-1)>>PMD_SHIFT);
  }
-@@ -2283,6 +2716,13 @@ int insert_vm_struct(struct mm_struct * mm, struct vm_area_struct * vma)
+@@ -2283,6 +2696,13 @@ int insert_vm_struct(struct mm_struct * mm, struct vm_area_struct * vma)
  	struct vm_area_struct * __vma, * prev;
  	struct rb_node ** rb_link, * rb_parent;
  
@@ -69833,7 +69875,7 @@ index eae90af..51ca80b 100644
  	/*
  	 * The vm_pgoff of a purely anonymous vma should be irrelevant
  	 * until its first write fault, when page's anon_vma and index
-@@ -2305,7 +2745,22 @@ int insert_vm_struct(struct mm_struct * mm, struct vm_area_struct * vma)
+@@ -2305,7 +2725,22 @@ int insert_vm_struct(struct mm_struct * mm, struct vm_area_struct * vma)
  	if ((vma->vm_flags & VM_ACCOUNT) &&
  	     security_vm_enough_memory_mm(mm, vma_pages(vma)))
  		return -ENOMEM;
@@ -69856,7 +69898,7 @@ index eae90af..51ca80b 100644
  	return 0;
  }
  
-@@ -2323,6 +2778,8 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
+@@ -2323,6 +2758,8 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
  	struct rb_node **rb_link, *rb_parent;
  	struct mempolicy *pol;
  
@@ -69865,7 +69907,7 @@ index eae90af..51ca80b 100644
  	/*
  	 * If anonymous vma has not yet been faulted, update new pgoff
  	 * to match new location, to increase its chance of merging.
-@@ -2373,6 +2830,39 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
+@@ -2373,6 +2810,39 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
  	return NULL;
  }
  
@@ -69905,7 +69947,7 @@ index eae90af..51ca80b 100644
  /*
   * Return true if the calling process may expand its vm space by the passed
   * number of pages
-@@ -2383,7 +2873,7 @@ int may_expand_vm(struct mm_struct *mm, unsigned long npages)
+@@ -2383,7 +2853,7 @@ int may_expand_vm(struct mm_struct *mm, unsigned long npages)
  	unsigned long lim;
  
  	lim = rlimit(RLIMIT_AS) >> PAGE_SHIFT;
@@ -69914,7 +69956,7 @@ index eae90af..51ca80b 100644
  	if (cur + npages > lim)
  		return 0;
  	return 1;
-@@ -2454,6 +2944,22 @@ int install_special_mapping(struct mm_struct *mm,
+@@ -2454,6 +2924,22 @@ int install_special_mapping(struct mm_struct *mm,
  	vma->vm_start = addr;
  	vma->vm_end = addr + len;
  
@@ -78181,10 +78223,10 @@ index 0000000..a5eabce
 +}
 diff --git a/tools/gcc/kernexec_plugin.c b/tools/gcc/kernexec_plugin.c
 new file mode 100644
-index 0000000..51f747e
+index 0000000..008f159
 --- /dev/null
 +++ b/tools/gcc/kernexec_plugin.c
-@@ -0,0 +1,348 @@
+@@ -0,0 +1,427 @@
 +/*
 + * Copyright 2011 by the PaX Team <pageexec@freemail.hu>
 + * Licensed under the GPL v2
@@ -78232,13 +78274,32 @@ index 0000000..51f747e
 +	.help		= "method=[bts|or]\tinstrumentation method\n"
 +};
 +
++static unsigned int execute_kernexec_reload(void);
 +static unsigned int execute_kernexec_fptr(void);
 +static unsigned int execute_kernexec_retaddr(void);
 +static bool kernexec_cmodel_check(void);
 +
-+static void (*kernexec_instrument_fptr)(gimple_stmt_iterator);
++static void (*kernexec_instrument_fptr)(gimple_stmt_iterator *);
 +static void (*kernexec_instrument_retaddr)(rtx);
 +
++static struct gimple_opt_pass kernexec_reload_pass = {
++	.pass = {
++		.type			= GIMPLE_PASS,
++		.name			= "kernexec_reload",
++		.gate			= kernexec_cmodel_check,
++		.execute		= execute_kernexec_reload,
++		.sub			= NULL,
++		.next			= NULL,
++		.static_pass_number	= 0,
++		.tv_id			= TV_NONE,
++		.properties_required	= 0,
++		.properties_provided	= 0,
++		.properties_destroyed	= 0,
++		.todo_flags_start	= 0,
++		.todo_flags_finish	= TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa_no_phi
++	}
++};
++
 +static struct gimple_opt_pass kernexec_fptr_pass = {
 +	.pass = {
 +		.type			= GIMPLE_PASS,
@@ -78294,15 +78355,66 @@ index 0000000..51f747e
 +}
 +
 +/*
++ * add special KERNEXEC instrumentation: reload %r10 after it has been clobbered
++ */
++static void kernexec_reload_fptr_mask(gimple_stmt_iterator *gsi)
++{
++	gimple asm_movabs_stmt;
++
++	// build asm volatile("movabs $0x8000000000000000, %%r10\n\t" : : : );
++	asm_movabs_stmt = gimple_build_asm_vec("movabs $0x8000000000000000, %%r10\n\t", NULL, NULL, NULL, NULL);
++	gimple_asm_set_volatile(asm_movabs_stmt, true);
++	gsi_insert_after(gsi, asm_movabs_stmt, GSI_CONTINUE_LINKING);
++	update_stmt(asm_movabs_stmt);
++}
++
++/*
++ * find all asm() stmts that clobber r10 and add a reload of r10
++ */
++static unsigned int execute_kernexec_reload(void)
++{
++	basic_block bb;
++
++	// 1. loop through BBs and GIMPLE statements
++	FOR_EACH_BB(bb) {
++		gimple_stmt_iterator gsi;
++
++		for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
++			// gimple match: __asm__ ("" :  :  : "r10");
++			gimple asm_stmt;
++			size_t nclobbers;
++
++			// is it an asm ...
++			asm_stmt = gsi_stmt(gsi);
++			if (gimple_code(asm_stmt) != GIMPLE_ASM)
++				continue;
++
++			// ... clobbering r10
++			nclobbers = gimple_asm_nclobbers(asm_stmt);
++			while (nclobbers--) {
++				tree op = gimple_asm_clobber_op(asm_stmt, nclobbers);
++				if (strcmp(TREE_STRING_POINTER(TREE_VALUE(op)), "r10"))
++					continue;
++				kernexec_reload_fptr_mask(&gsi);
++//print_gimple_stmt(stderr, asm_stmt, 0, TDF_LINENO);
++				break;
++			}
++		}
++	}
++
++	return 0;
++}
++
++/*
 + * add special KERNEXEC instrumentation: force MSB of fptr to 1, which will produce
 + * a non-canonical address from a userland ptr and will just trigger a GPF on dereference
 + */
-+static void kernexec_instrument_fptr_bts(gimple_stmt_iterator gsi)
++static void kernexec_instrument_fptr_bts(gimple_stmt_iterator *gsi)
 +{
 +	gimple assign_intptr, assign_new_fptr, call_stmt;
 +	tree intptr, old_fptr, new_fptr, kernexec_mask;
 +
-+	call_stmt = gsi_stmt(gsi);
++	call_stmt = gsi_stmt(*gsi);
 +	old_fptr = gimple_call_fn(call_stmt);
 +
 +	// create temporary unsigned long variable used for bitops and cast fptr to it
@@ -78310,14 +78422,14 @@ index 0000000..51f747e
 +	add_referenced_var(intptr);
 +	mark_sym_for_renaming(intptr);
 +	assign_intptr = gimple_build_assign(intptr, fold_convert(long_unsigned_type_node, old_fptr));
-+	gsi_insert_before(&gsi, assign_intptr, GSI_SAME_STMT);
++	gsi_insert_before(gsi, assign_intptr, GSI_SAME_STMT);
 +	update_stmt(assign_intptr);
 +
 +	// apply logical or to temporary unsigned long and bitmask
 +	kernexec_mask = build_int_cstu(long_long_unsigned_type_node, 0x8000000000000000LL);
 +//	kernexec_mask = build_int_cstu(long_long_unsigned_type_node, 0xffffffff80000000LL);
 +	assign_intptr = gimple_build_assign(intptr, fold_build2(BIT_IOR_EXPR, long_long_unsigned_type_node, intptr, kernexec_mask));
-+	gsi_insert_before(&gsi, assign_intptr, GSI_SAME_STMT);
++	gsi_insert_before(gsi, assign_intptr, GSI_SAME_STMT);
 +	update_stmt(assign_intptr);
 +
 +	// cast temporary unsigned long back to a temporary fptr variable
@@ -78325,7 +78437,7 @@ index 0000000..51f747e
 +	add_referenced_var(new_fptr);
 +	mark_sym_for_renaming(new_fptr);
 +	assign_new_fptr = gimple_build_assign(new_fptr, fold_convert(TREE_TYPE(old_fptr), intptr));
-+	gsi_insert_before(&gsi, assign_new_fptr, GSI_SAME_STMT);
++	gsi_insert_before(gsi, assign_new_fptr, GSI_SAME_STMT);
 +	update_stmt(assign_new_fptr);
 +
 +	// replace call stmt fn with the new fptr
@@ -78333,14 +78445,14 @@ index 0000000..51f747e
 +	update_stmt(call_stmt);
 +}
 +
-+static void kernexec_instrument_fptr_or(gimple_stmt_iterator gsi)
++static void kernexec_instrument_fptr_or(gimple_stmt_iterator *gsi)
 +{
 +	gimple asm_or_stmt, call_stmt;
 +	tree old_fptr, new_fptr, input, output;
 +	VEC(tree, gc) *inputs = NULL;
 +	VEC(tree, gc) *outputs = NULL;
 +
-+	call_stmt = gsi_stmt(gsi);
++	call_stmt = gsi_stmt(*gsi);
 +	old_fptr = gimple_call_fn(call_stmt);
 +
 +	// create temporary fptr variable
@@ -78357,7 +78469,7 @@ index 0000000..51f747e
 +	VEC_safe_push(tree, gc, outputs, output);
 +	asm_or_stmt = gimple_build_asm_vec("orq %%r10, %0\n\t", inputs, outputs, NULL, NULL);
 +	gimple_asm_set_volatile(asm_or_stmt, true);
-+	gsi_insert_before(&gsi, asm_or_stmt, GSI_SAME_STMT);
++	gsi_insert_before(gsi, asm_or_stmt, GSI_SAME_STMT);
 +	update_stmt(asm_or_stmt);
 +
 +	// replace call stmt fn with the new fptr
@@ -78371,10 +78483,11 @@ index 0000000..51f747e
 +static unsigned int execute_kernexec_fptr(void)
 +{
 +	basic_block bb;
-+	gimple_stmt_iterator gsi;
 +
 +	// 1. loop through BBs and GIMPLE statements
 +	FOR_EACH_BB(bb) {
++		gimple_stmt_iterator gsi;
++
 +		for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
 +			// gimple match: h_1 = get_fptr (); D.2709_3 = h_1 (x_2(D));
 +			tree fn;
@@ -78401,7 +78514,7 @@ index 0000000..51f747e
 +			if (TREE_CODE(fn) != FUNCTION_TYPE)
 +				continue;
 +
-+			kernexec_instrument_fptr(gsi);
++			kernexec_instrument_fptr(&gsi);
 +
 +//debug_tree(gimple_call_fn(call_stmt));
 +//print_gimple_stmt(stderr, call_stmt, 0, TDF_LINENO);
@@ -78483,6 +78596,12 @@ index 0000000..51f747e
 +	const int argc = plugin_info->argc;
 +	const struct plugin_argument * const argv = plugin_info->argv;
 +	int i;
++	struct register_pass_info kernexec_reload_pass_info = {
++		.pass				= &kernexec_reload_pass.pass,
++		.reference_pass_name		= "ssa",
++		.ref_pass_instance_number	= 0,
++		.pos_op 			= PASS_POS_INSERT_AFTER
++	};
 +	struct register_pass_info kernexec_fptr_pass_info = {
 +		.pass				= &kernexec_fptr_pass.pass,
 +		.reference_pass_name		= "ssa",
@@ -78528,6 +78647,8 @@ index 0000000..51f747e
 +	if (!kernexec_instrument_fptr || !kernexec_instrument_retaddr)
 +		error(G_("no instrumentation method was selected via '-fplugin-arg-%s-method'"), plugin_name);
 +
++	if (kernexec_instrument_fptr == kernexec_instrument_fptr_or)
++		register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_reload_pass_info);
 +	register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_fptr_pass_info);
 +	register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_retaddr_pass_info);
 +
@@ -78535,10 +78656,10 @@ index 0000000..51f747e
 +}
 diff --git a/tools/gcc/stackleak_plugin.c b/tools/gcc/stackleak_plugin.c
 new file mode 100644
-index 0000000..d44f37c
+index 0000000..8b61031
 --- /dev/null
 +++ b/tools/gcc/stackleak_plugin.c
-@@ -0,0 +1,291 @@
+@@ -0,0 +1,295 @@
 +/*
 + * Copyright 2011 by the PaX Team <pageexec@freemail.hu>
 + * Licensed under the GPL v2
@@ -78638,7 +78759,7 @@ index 0000000..d44f37c
 +	return track_frame_size >= 0;
 +}
 +
-+static void stackleak_check_alloca(gimple_stmt_iterator gsi)
++static void stackleak_check_alloca(gimple_stmt_iterator *gsi)
 +{
 +	gimple check_alloca;
 +	tree fndecl, fntype, alloca_size;
@@ -78647,12 +78768,12 @@ index 0000000..d44f37c
 +	fntype = build_function_type_list(void_type_node, long_unsigned_type_node, NULL_TREE);
 +	fndecl = build_fn_decl(check_function, fntype);
 +	DECL_ASSEMBLER_NAME(fndecl); // for LTO
-+	alloca_size = gimple_call_arg(gsi_stmt(gsi), 0);
++	alloca_size = gimple_call_arg(gsi_stmt(*gsi), 0);
 +	check_alloca = gimple_build_call(fndecl, 1, alloca_size);
-+	gsi_insert_before(&gsi, check_alloca, GSI_CONTINUE_LINKING);
++	gsi_insert_before(gsi, check_alloca, GSI_SAME_STMT);
 +}
 +
-+static void stackleak_add_instrumentation(gimple_stmt_iterator gsi)
++static void stackleak_add_instrumentation(gimple_stmt_iterator *gsi)
 +{
 +	gimple track_stack;
 +	tree fndecl, fntype;
@@ -78662,7 +78783,7 @@ index 0000000..d44f37c
 +	fndecl = build_fn_decl(track_function, fntype);
 +	DECL_ASSEMBLER_NAME(fndecl); // for LTO
 +	track_stack = gimple_build_call(fndecl, 0);
-+	gsi_insert_after(&gsi, track_stack, GSI_CONTINUE_LINKING);
++	gsi_insert_after(gsi, track_stack, GSI_CONTINUE_LINKING);
 +}
 +
 +#if BUILDING_GCC_VERSION == 4005
@@ -78705,16 +78826,17 @@ index 0000000..d44f37c
 +	// 1. loop through BBs and GIMPLE statements
 +	FOR_EACH_BB(bb) {
 +		gimple_stmt_iterator gsi;
++
 +		for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) {
 +			// gimple match: align 8 built-in BUILT_IN_NORMAL:BUILT_IN_ALLOCA attributes <tree_list 0xb7576450>
 +			if (!is_alloca(gsi_stmt(gsi)))
 +				continue;
 +
 +			// 2. insert stack overflow check before each __builtin_alloca call
-+			stackleak_check_alloca(gsi);
++			stackleak_check_alloca(&gsi);
 +
 +			// 3. insert track call after each __builtin_alloca call
-+			stackleak_add_instrumentation(gsi);
++			stackleak_add_instrumentation(&gsi);
 +			if (bb == entry_bb)
 +				prologue_instrumented = true;
 +		}
@@ -78722,10 +78844,13 @@ index 0000000..d44f37c
 +
 +	// 4. insert track call at the beginning
 +	if (!prologue_instrumented) {
++		gimple_stmt_iterator gsi;
++
 +		bb = split_block_after_labels(ENTRY_BLOCK_PTR)->dest;
 +		if (dom_info_available_p(CDI_DOMINATORS))
 +			set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR);
-+		stackleak_add_instrumentation(gsi_start_bb(bb));
++		gsi = gsi_start_bb(bb);
++		stackleak_add_instrumentation(&gsi);
 +	}
 +
 +	return 0;
diff --git a/main/linux-grsec/kernelconfig.x86 b/main/linux-grsec/kernelconfig.x86
index 38e8cd914..d6a674883 100644
--- a/main/linux-grsec/kernelconfig.x86
+++ b/main/linux-grsec/kernelconfig.x86
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/i386 3.2.2 Kernel Configuration
+# Linux/i386 3.2.7 Kernel Configuration
 #
 # CONFIG_64BIT is not set
 CONFIG_X86_32=y
@@ -4905,7 +4905,9 @@ CONFIG_CIFS_ACL=y
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
-# CONFIG_9P_FS is not set
+CONFIG_9P_FS=m
+CONFIG_9P_FSCACHE=y
+CONFIG_9P_FS_POSIX_ACL=y
 
 #
 # Partition Types
diff --git a/main/linux-grsec/kernelconfig.x86_64 b/main/linux-grsec/kernelconfig.x86_64
index 045bfa90e..21a9dcd89 100644
--- a/main/linux-grsec/kernelconfig.x86_64
+++ b/main/linux-grsec/kernelconfig.x86_64
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/x86_64 3.2.1 Kernel Configuration
+# Linux/x86_64 3.2.7 Kernel Configuration
 #
 CONFIG_64BIT=y
 # CONFIG_X86_32 is not set
@@ -4880,7 +4880,9 @@ CONFIG_CIFS_ACL=y
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
-# CONFIG_9P_FS is not set
+CONFIG_9P_FS=m
+CONFIG_9P_FSCACHE=y
+CONFIG_9P_FS_POSIX_ACL=y
 
 #
 # Partition Types