linux-kernel - Re: mm: NULL ptr deref in unlink_file

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:	Mon, 22 Dec 2014 15:38:26 -0500
From:	Sasha Levin <sasha.levin@...cle.com>
To:	Davidlohr Bueso <dave@...olabs.net>,
	"Kirill A. Shutemov" <kirill@...temov.name>
CC:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dave Jones <davej@...hat.com>
Subject: Re: mm: NULL ptr deref in unlink_file_vma

On 12/22/2014 02:04 PM, Davidlohr Bueso wrote:
> Sasha, does this still occur if you revert c8475d144abb?

On 12/22/2014 02:14 PM, Kirill A. Shutemov wrote:
> Sasha could you check if you hit untrack_pfn()?

I'm afraid I only hit this issue once, unlike the other once which
was bisected down.

I'm trying to play with it a bit to see if I can "help" it reproduce,
but no luck so far.


Thanks,
Sasha
--
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/