Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Tue, 28 Nov 2017 09:41:59 -0800
From: Joe Perches <joe@...ches.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>, "Eric W. Biederman"
	 <ebiederm@...ssion.com>
Cc: "Tobin C. Harding" <me@...in.cc>, "Jason A. Donenfeld"
 <Jason@...c4.com>,  Theodore Ts'o <tytso@....edu>, Kees Cook
 <keescook@...omium.org>, Paolo Bonzini <pbonzini@...hat.com>, Tycho
 Andersen <tycho@...ho.ws>, "Roberts, William C"
 <william.c.roberts@...el.com>, Tejun Heo <tj@...nel.org>, Jordan Glover
 <Golden_Miller83@...tonmail.ch>, Greg KH <gregkh@...uxfoundation.org>, Petr
 Mladek <pmladek@...e.com>, Ian Campbell <ijc@...lion.org.uk>, Sergey
 Senozhatsky <sergey.senozhatsky@...il.com>, Catalin Marinas
 <catalin.marinas@....com>,  Will Deacon <wilal.deacon@....com>, Steven
 Rostedt <rostedt@...dmis.org>, Chris Fries <cfries@...gle.com>,  Dave
 Weinstein <olorin@...gle.com>, Daniel Micay <danielmicay@...il.com>, Djalal
 Harouni <tixxdz@...il.com>,  Radim Krčmář
 <rkrcmar@...hat.com>, Linux Kernel Mailing List
 <linux-kernel@...r.kernel.org>,  KVM list <kvm@...r.kernel.org>,
 "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>
Subject: Re: [PATCH 0/5] add printk specifier %px, unique identifier

On Tue, 2017-11-28 at 09:33 -0800, Linus Torvalds wrote:
> On Mon, Nov 27, 2017 at 10:26 PM, Eric W. Biederman
> <ebiederm@...ssion.com> wrote:
> > > 
> > > Oh well, I just did /proc/<pid>/stack by making it just print 0
> > > unconditionally rather than the hex number.
> > 
> > Patch?
> 
> Oh, apparently I never pushed out yesterday.
> 
> The patch literally just affects the (useless) hex number. So:
> 
>     cat /proc/self/stack
> 
> now prints out
> 
>     [<0>] proc_pid_stack+0xaa/0x100
>     [<0>] proc_single_show+0x48/0x80
>     [<0>] seq_read+0xd2/0x410

> I considered getting rid of the whole "[<>]" thing, but that's where
> "maybe there are tools that parse this" came in.
> 
> I doubt there are any, though. If proc-ps doesn't look at this, I
> don't know what could. But the format change might as well be a
> separate thing if somebody cares deeply.

Perhaps if there are really tools that parse this
the [<leading-0-width>] should be kept the same too.

> 

Powered by blists - more mailing lists

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.