Gentoo Archives: gentoo-hardened

From: PaX Team <pageexec@××××××××.hu>
To: gentoo-hardened@l.g.o
Subject: Re: [gentoo-hardened] google-chrome crashes unless softmode
Date: Wed, 23 Jan 2013 08:19:20
Message-Id: 50FF9CAA.28125.4AB75DD1@pageexec.freemail.hu
In Reply to: Re: [gentoo-hardened] google-chrome crashes unless softmode by Grant
1 On 22 Jan 2013 at 19:44, Grant wrote:
2
3 > >> google-chrome suffers intermittent crashes on x86 unless I enable
4 > >> softmode. Is there any other option to keep it running?
5 > >
6 > > can you get some details on the nature of crashes? any logs perhaps?
7 > > if softmode fixes it then it's probably MPROTECT related, did you
8 > > already disable it on the binary?
9 >
10 > MPROTECT is actually already disabled:
11
12 ok, in that case can you report this
13
14 > chrome[13338]: segfault at bbadbeef ip 14d81f2b sp 5ec2e1b0 error 6 in chrome[136f4000+4203000]
15
16 to the chrome folks? i'm pretty sure that 'bbadbeef' is a magic constant
17 somewhere in their userland memory management code and signifies some
18 corruption (use-after-free perhaps?) and they'd probably like to know
19 how to reproduce this.

Replies

Subject Author
Re: [gentoo-hardened] google-chrome crashes unless softmode "Javier Juan Martínez Cabezón" <tazok.id0@×××××.com>
Re: [gentoo-hardened] google-chrome crashes unless softmode Grant <emailgrant@×××××.com>