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(parent: b7a9570) | patch
ARM: 8797/1: spectre-v1.1: harden __copy_to_user
authorJulien Thierry <julien.thierry@arm.com>
Wed, 13 Feb 2019 21:32:15 +0000 (16:32 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 20 Feb 2019 09:25:37 +0000 (10:25 +0100)
commit042b172201a84d0f5a7fd7d979e25ad58eef8b68
tree2d7748d15575567206fa2ded92cc13dda1677b4ctree | snapshot
parentb7a95704e9229a6f78987a0e851a6fbea407de03commit | diff
ARM: 8797/1: spectre-v1.1: harden __copy_to_user

Commit a1d09e074250fad24f1b993f327b18cc6812eb7a upstream.

Sanitize user pointer given to __copy_to_user, both for standard version
and memcopy version of the user accessor.

Signed-off-by: Julien Thierry <julien.thierry@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David A. Long <dave.long@linaro.org>
Reviewed-by: Julien Thierry <julien.thierry@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/arm/lib/copy_to_user.S diff | blob | history
arch/arm/lib/uaccess_with_memcpy.c diff | blob | history
Domain: System / Kernel;