linux-kernel - Re: The code segment of the user level in PPC64 are in VMAs with write permissions

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] [day] [month] [year] [list]

Message-ID: <4768F89B.1030507@dev.mellanox.co.il>
Date:	Wed, 19 Dec 2007 12:55:23 +0200
From:	Dotan Barak <dotanb@....mellanox.co.il>
To:	Eric Dumazet <dada1@...mosbay.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: The code segment of the user level in PPC64 are in VMAs with
 write permissions

Eric Dumazet wrote:
> This is because on PPC architecture, address of a function points to a 
> small
> data area (a function descriptor) where the caller can find 
> informations about :
>
> - Address (in the text segment, so readonly) of the target function
> - Address of the TOC for this function.
>
>
> http://www.linux-foundation.org/spec/ELF/ppc64/PPC-elf64abi-1.9.html#FUNC-ADDRESS 
>
>

thank you very much for clearing this issue.
Dotan
--
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/