Gentoo Archives: gentoo-hardened

From: Joshua Kinard <kumba@g.o>
To: gentoo-hardened@l.g.o
Subject: Re: [gentoo-hardened] Weird coincidental PAX crashes
Date: Sat, 10 May 2014 11:14:52
Message-Id: 536E0A15.7070603@gentoo.org
In Reply to: Re: [gentoo-hardened] Weird coincidental PAX crashes by "Tóth Attila"
1 On 05/09/2014 13:46, "Tóth Attila" wrote:
2 > 2014.Május 9.(P) 17:39 időpontban Michael Orlitzky ezt írta:
3 >> On 05/09/2014 11:29 AM, Mark Gomersbach wrote:
4 >>> Maybe a bug somewhere else too, which combination kernel/grsec/pax was
5 >>> used?
6 >>>
7 >>
8 >> Whatever came with sys-kernel/hardened-sources-3.11.7-r1:
9 >>
10 >> # uname -a
11 >> Linux mmmc2 3.11.7-hardened-r1 #1 SMP Fri Jan 3 23:13:48 EST 2014
12 >> x86_64 Intel(R) Xeon(R) CPU 5160 @ 3.00GHz GenuineIntel GNU/Linux
13 >>
14 >> Here's the hardened portion of the kernel .config for the web server
15 >> that blew up today. The config for the mail server should be almost
16 >> identical. I maintain the kernel configs for different hardware in
17 >> different repos, but unless I've made a mistake, the hardening options
18 >> should be the same.
19 >>
20 >
21 > I encourage you to upgrade your kernel to the latest available in the
22 > tree. Even if its keyworded currently. Such things pop up sometimes, come
23 > and go. Grsec/PaX developers (spender/pipacs/ephox) fixes most of these
24 > pretty quickly. I would also check out grsecurity support forums.
25
26 I think I ran into this, too, in 3.11. It takes a few days of uptime before
27 it happens. Running 3.13.x now on my x64 machine and haven't ran into it
28 again. So I second the suggestion to upgrade your kernel.
29
30 --
31 Joshua Kinard
32 Gentoo/MIPS
33 kumba@g.o
34 4096R/D25D95E3 2011-03-28
35
36 "The past tempts us, the present confuses us, the future frightens us. And
37 our lives slip away, moment by moment, lost in that vast, terrible in-between."
38
39 --Emperor Turhan, Centauri Republic

Replies

Subject Author
Re: [gentoo-hardened] Weird coincidental PAX crashes Michael Orlitzky <mjo@g.o>