Gentoo Archives: gentoo-hardened

From: Grant <emailgrant@×××××.com>
To: gentoo-hardened@l.g.o
Subject: Re: [gentoo-hardened] google-chrome crashes unless softmode
Date: Wed, 23 Jan 2013 19:29:07
Message-Id: CAN0CFw0qRYgreLnWofvme3RCQgVBExv4PhKwUaxM0at17BSQzQ@mail.gmail.com
In Reply to: Re: [gentoo-hardened] google-chrome crashes unless softmode by PaX Team
1 >> >> google-chrome suffers intermittent crashes on x86 unless I enable
2 >> >> softmode. Is there any other option to keep it running?
3 >> >
4 >> > can you get some details on the nature of crashes? any logs perhaps?
5 >> > if softmode fixes it then it's probably MPROTECT related, did you
6 >> > already disable it on the binary?
7 >>
8 >> MPROTECT is actually already disabled:
9 >
10 > ok, in that case can you report this
11 >
12 >> chrome[13338]: segfault at bbadbeef ip 14d81f2b sp 5ec2e1b0 error 6 in chrome[136f4000+4203000]
13 >
14 > to the chrome folks? i'm pretty sure that 'bbadbeef' is a magic constant
15 > somewhere in their userland memory management code and signifies some
16 > corruption (use-after-free perhaps?) and they'd probably like to know
17 > how to reproduce this.
18
19 OK, so no Gentoo bug, just a chromium bug?
20
21 - Grant

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