From mboxrd@z Thu Jan 1 00:00:00 1970 From: ben.hutchings@codethink.co.uk (Ben Hutchings) Date: Thu, 12 Jan 2017 13:40:48 +0000 Subject: [cip-dev] [PATCH 4.4-cip 0/6] Extend user-space ASLR range In-Reply-To: References: <1481241380.1860.120.camel@codethink.co.uk> <7c58c7d6-92fa-4b99-aa15-25c41243810c@siemens.com> <155216cf-3c1a-7f41-3ff2-956f92e3c7cb@siemens.com> Message-ID: <1484228448.10206.24.camel@codethink.co.uk> To: cip-dev@lists.cip-project.org List-Id: cip-dev.lists.cip-project.org On Tue, 2017-01-03 at 15:56 -0800, Kees Cook wrote: > On Mon, Dec 19, 2016 at 2:52 AM, Jan Kiszka wrote: > > On 2016-12-09 13:20, Jan Kiszka wrote: [...] > >> Did you try to discuss the back-port topic with the KSPP folks or other > >> key persons involved in these patches? In the ideal case, the authors > >> can be CC'ed, do not get annoyed by "these crazy people doing legacy > >> stuff", and may even do some reviews. > >> > > > > I've chatted with Elena over this last week, and she talked to Kees who > > pointed out that the Android people are also doing KSPP backports to 4.4 > > (thanks, folks!). I didn't check any details, just a heads-up to avoid > > duplicate work. > > Hi! > > The Android common kernel tree is visible here: > > https://android.googlesource.com/kernel/common/ > > In the android-4.4 branch, the backport are these: > > b471fcd FROMLIST: mm: ASLR: use get_random_long() > 9a3fe39 FROMLIST: drivers: char: random: add get_random_long() > d51891f FROMLIST: x86: mm: support ARCH_MMAP_RND_BITS. > e2240a1 FROMLIST: arm64: mm: support ARCH_MMAP_RND_BITS. > 25106ff FROMLIST: arm: mm: support ARCH_MMAP_RND_BITS. > d49d887 FROMLIST: mm: mmap: Add new /proc tunable for mmap_base ASLR. > > Hopefully that helps! Thanks. My backports are identical aside from the placement of some changes in Kconfig files, which shouldn't make a functional difference. Ben. -- Ben Hutchings Software Developer, Codethink Ltd.