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  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:	Fri, 14 Feb 2014 15:20:28 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Richard Weinberger <richard@....at>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Dave Chinner <david@...morbit.com>,
	Dave Jones <davej@...hat.com>,
	Eric Sandeen <sandeen@...deen.net>,
	Linux Kernel <linux-kernel@...r.kernel.org>, xfs@....sgi.com
Subject: Re: 3.14-rc2 XFS backtrace because irqs_disabled.

On Fri, Feb 14, 2014 at 02:29:30PM +0100, Richard Weinberger wrote:
> Am 14.02.2014 14:25, schrieb Christoph Hellwig:
> > On Thu, Feb 13, 2014 at 08:51:46PM +0000, Al Viro wrote:
> >> On Wed, Feb 12, 2014 at 09:44:11PM +0000, Al Viro wrote:
> >>
> >>> I'll try to put something along those lines together, if you or Oleg don't
> >>> do it first.
> >>
> >> OK, having looked at that stuff...
> >>
> >> 1) things become much more compact if we finish conversion to get_signal()
> >> first.
> > 
> > I have vague memories that Richard sent out a series to convert over all
> > architectures a while ago.  Hopefully he has better memory than I do.
> 
> Yeah. Sending v2 of that series is on my overflowing TODO list. :-\
> I think this is a good reason for me to start working on that series again.
> Stay tuned.

Would be great.   I have several done here, but I'll be glad to replace them
with something tested...

BTW, Oleg, could you explain why does PTRACE_PEEK_SIGINFO copy ->si_code
separately?  IOW, why do we want the upper 16 bits of ->si_code exposed?
It used to be a strictly internal thing IIRC (it's been what, 2.3.late?)
--
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/

Powered by blists - more mailing lists