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authorZhang Rui <rui.zhang@intel.com>2015-06-11 12:52:14 +0800
committerZhang Rui <rui.zhang@intel.com>2015-06-11 12:52:14 +0800
commit111b23cf895b5cbcdc1b2c6580be1bb78a577d05 (patch)
tree89b840115ccd753216ba0b26e587e52699b99310 /fs/exec.c
parent6a6bcf08e5d1834447655a762dfaf552b675cc54 (diff)
parent53daf9383f34d7bf61358a37449fb4d59fbdafc2 (diff)
Merge branches 'release' and 'thermal-soc' of .git into next
Diffstat (limited to 'fs/exec.c')
-rw-r--r--fs/exec.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 49a1c61433b7..1977c2a553ac 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -659,6 +659,9 @@ int setup_arg_pages(struct linux_binprm *bprm,
if (stack_base > STACK_SIZE_MAX)
stack_base = STACK_SIZE_MAX;
+ /* Add space for stack randomization. */
+ stack_base += (STACK_RND_MASK << PAGE_SHIFT);
+
/* Make sure we didn't let the argument array grow too large. */
if (vma->vm_end - vma->vm_start > stack_base)
return -ENOMEM;