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: <20080727063521.GA1963@elte.hu>
Date:	Sun, 27 Jul 2008 08:35:21 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Jan Kara <jack@....cz>
Subject: Re: [PATCH] lost sysctl fix


* Ingo Molnar <mingo@...e.hu> wrote:

> 
> * Al Viro <viro@...IV.linux.org.uk> wrote:
> 
> > try_attach() should walk into the matching subdirectory, not the first one...
> > 
> > Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
> > ---
> > [and yes, that's what that crap had been]
> 
> does this explain the following crash -tip testing just triggered with 
> latest -git:
> 
> [   12.293289] calling  butterfly_init+0x0/0x14
> [   12.298036] BUG: unable to handle kernel NULL pointer dereference at 00000004
> [   12.302065] IP: [<c012c169>] __register_sysctl_paths+0x1af/0x253
> [   12.308058] *pdpt = 0000000000b81001 *pde = 0000000000000000 
> [   12.314809] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC

your patch fixes it.

Tested-by: Ingo Molnar <mingo@...e.hu>

	Ingo
--
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

Powered by Openwall GNU/*/Linux Powered by OpenVZ