https://github.com/torvalds/linux
Revision 92bbd16e500c85bc210ba48caecbfbdb721bb5b4 authored by Will Deacon on 24 July 2017, 10:46:09 UTC, committed by Will Deacon on 28 July 2017, 09:32:14 UTC
The vast majority of virtual allocations in the vmalloc region are followed
by a guard page, which can help to avoid overruning on vma into another,
which may map a read-sensitive device.

This patch adds a guard page to the end of the kernel image mapping (i.e.
following the data/bss segments).

Cc: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
1 parent a3287c4
History
Tip revision: 92bbd16e500c85bc210ba48caecbfbdb721bb5b4 authored by Will Deacon on 24 July 2017, 10:46:09 UTC
arm64: mmu: Place guard page after mapping of kernel image
Tip revision: 92bbd16
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arch
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certs
crypto
drivers
firmware
fs
include
init
ipc
kernel
lib
mm
net
samples
scripts
security
sound
tools
usr
virt
.cocciconfig -rw-r--r-- 59 bytes
.get_maintainer.ignore -rw-r--r-- 31 bytes
.gitattributes -rw-r--r-- 30 bytes
.gitignore -rw-r--r-- 1.3 KB
.mailmap -rw-r--r-- 8.1 KB
COPYING -rw-r--r-- 18.3 KB
CREDITS -rw-r--r-- 96.2 KB
Kbuild -rw-r--r-- 2.2 KB
Kconfig -rw-r--r-- 252 bytes
MAINTAINERS -rw-r--r-- 410.4 KB
Makefile -rw-r--r-- 58.8 KB
README -rw-r--r-- 722 bytes

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