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(parent: bde516f) | patch
ARM: poison memory between kuser helpers
authorRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 4 Jul 2013 10:32:04 +0000 (11:32 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 12 Aug 2013 01:35:20 +0000 (18:35 -0700)
commitddc8d5e58a818e543ac658a572b3155c8ea3e45d
tree32ded1c46f9f13709266ab720b395b29082e3471tree | snapshot
parentbde516f7a535b9bafa00e54a06c6538b9eb830e5commit | diff
ARM: poison memory between kuser helpers

commit 5b43e7a383d69381ffe53423e46dd0fafae07da3 upstream.

Poison the memory between each kuser helper.  This ensures that any
branch between the kuser helpers will be appropriately trapped.

Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm/kernel/entry-armv.S diff | blob | history
Domain: System / Kernel;