linux-kernel - Re: Questions about ptrace on a dying process

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]

Date:	Wed, 29 Feb 2012 11:12:02 -0800
From:	Andi Kleen <andi@...stfloor.org>
To:	Tim Bird <tim.bird@...sony.com>
Cc:	Roland McGrath <roland@...hat.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Denys Vlasenko <vda.linux@...glemail.com>,
	linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: Questions about ptrace on a dying process

Tim Bird <tim.bird@...sony.com> writes:

> ptrace maintainers (and interested parties)...
>
> I'm working on a crash handler for Linux, which uses ptrace to retrieve information
> about a process during it's coredump.  Specifically, from within a core handler
> program (started within do_coredump() as a user_mode_helper), I would like to make
> ptrace calls against the dying process.

The standard approach is to define a core pipe handler and parse the
elf memory dump.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
--
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/