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(parent: 5cbab23) | patch
ARM: ensure the signal page contains defined contents
authorRussell King <rmk+kernel@armlinux.org.uk>
Fri, 29 Jan 2021 10:19:07 +0000 (10:19 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 23 Feb 2021 13:00:32 +0000 (14:00 +0100)
commitb71cc506778eb283b752400e234784ee86b5891c
treeba3aa48d6d6c7cdc613557ff1ecad076e2bd1c56tree
parent5cbab23d70faea73d8fd372413e9135b0c1caf13commit | diff
ARM: ensure the signal page contains defined contents

[ Upstream commit 9c698bff66ab4914bb3d71da7dc6112519bde23e ]

Ensure that the signal page contains our poison instruction to increase
the protection against ROP attacks and also contains well defined
contents.

Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/arm/kernel/signal.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git