diff options
| author | Alexandre Ghiti <alex@ghiti.fr> | 2019-09-23 15:38:54 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-07 18:59:38 +0200 |
| commit | a7d44c89fb47cacc683e7d9338421e6dd016f141 (patch) | |
| tree | 35f1cd40ee6b8a5df05ba882b963bc7204b366bd /arch/arm/mm/proc-arm7tdmi.S | |
| parent | d474fced67047c12edb088f5295fe8b59e1afd01 (diff) | |
| download | linux-stable-a7d44c89fb47cacc683e7d9338421e6dd016f141.tar.gz linux-stable-a7d44c89fb47cacc683e7d9338421e6dd016f141.tar.bz2 linux-stable-a7d44c89fb47cacc683e7d9338421e6dd016f141.zip | |
arm: properly account for stack randomization and stack guard gap
[ Upstream commit af0f4297286f13a75edf93677b1fb2fc16c412a7 ]
This commit takes care of stack randomization and stack guard gap when
computing mmap base address and checks if the task asked for
randomization. This fixes the problem uncovered and not fixed for arm
here: https://lkml.kernel.org/r/20170622200033.25714-1-riel@redhat.com
Link: http://lkml.kernel.org/r/20190730055113.23635-7-alex@ghiti.fr
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Acked-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: James Hogan <jhogan@kernel.org>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch/arm/mm/proc-arm7tdmi.S')
0 files changed, 0 insertions, 0 deletions