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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)
committerRussell King <rmk+kernel@armlinux.org.uk>
Fri, 5 Feb 2021 10:23:00 +0000 (10:23 +0000)
commit9c698bff66ab4914bb3d71da7dc6112519bde23e
treeffbe22801c9afde748a568d3db0f5f7e072ba119tree
parent538eea5362a1179dfa7770dd2b6607dc30cc50c6commit | diff
ARM: ensure the signal page contains defined contents

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>
arch/arm/kernel/signal.c diff | blob | history
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