+ mm-mprotectc-dont-imply-prot_exec-on-non-exec-fs-v2.patch added to -mm tree

[akpm@xxxxxxxxxxxxxxxxxxxx]

The patch titled
     Subject: mm-mprotectc-dont-imply-prot_exec-on-non-exec-fs-v2
has been added to the -mm tree.  Its filename is
     mm-mprotectc-dont-imply-prot_exec-on-non-exec-fs-v2.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/mm-mprotectc-dont-imply-prot_exec-on-non-exec-fs-v2.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/mm-mprotectc-dont-imply-prot_exec-on-non-exec-fs-v2.patch

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------------------------------------------------------
From: Piotr Kwapulinski <kwapulinski.piotr@xxxxxxxxx>
Subject: mm-mprotectc-dont-imply-prot_exec-on-non-exec-fs-v2

The difference between v1 is that the prot variable is reset to
 reqprot for each loop iteration (thanks to Konstantin Khlebnikov for
pointing this out).
rier means "(current->personality & [R]EAD_[I]MPLIES_[E]XEC) &&
(prot & PROT_[R]EAD)".

Signed-off-by: Piotr Kwapulinski <kwapulinski.piotr@xxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Konstantin Khlebnikov <koct9i@xxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/mprotect.c |    1 +
 1 file changed, 1 insertion(+)

diff -puN mm/mprotect.c~mm-mprotectc-dont-imply-prot_exec-on-non-exec-fs-v2 mm/mprotect.c
--- a/mm/mprotect.c~mm-mprotectc-dont-imply-prot_exec-on-non-exec-fs-v2
+++ a/mm/mprotect.c
@@ -442,6 +442,7 @@ SYSCALL_DEFINE3(mprotect, unsigned long,
 			error = -ENOMEM;
 			goto out;
 		}
+		prot = reqprot;
 	}
 out:
 	up_write(&current->mm->mmap_sem);
_

Patches currently in -mm which might be from kwapulinski.piotr@xxxxxxxxx are

mm-mprotectc-dont-imply-prot_exec-on-non-exec-fs.patch
mm-mprotectc-dont-imply-prot_exec-on-non-exec-fs-v2.patch

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