linux-kernel - Re: SYS_personality does not work correctly on mips(el)64

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20061013095206.GA4027@networkno.de>
Date:	Fri, 13 Oct 2006 10:52:06 +0100
From:	Thiemo Seufer <ths@...workno.de>
To:	Aurelien Jarno <aurelien@...el32.net>
Cc:	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org
Subject: Re: SYS_personality does not work correctly on mips(el)64

Aurelien Jarno wrote:
> Hi all,
> 
> On mips(el), when doing multiple call to the syscall SYS_personality in 
> order to get the current personality (using 0xffffffff for the first 
> argument), on a 64-bit kernel, the second and subsequent syscalls are 
> failing. That works correctly with a 32-bit kernels and on other 
> architectures.

That's caused by mis-handling broken sign extensions, see also
http://bugs.debian.org/380531.


Thiemo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/