linux-kernel - Re: 3.6rc6 slab corruption.

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]

Message-ID: <20120920211857.GC27312@konrad-lan.dumpdata.com>
Date:	Thu, 20 Sep 2012 17:18:57 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>
Cc:	David Rientjes <rientjes@...gle.com>,
	Konrad Rzeszutek Wilk <konrad@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Dave Jones <davej@...hat.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Suzuki Poulose <suzuki@...ibm.com>
Subject: Re: 3.6rc6 slab corruption.

> >An alternative to this, though, might be to never test for *ppos == 0 in
> >u32_array_read() and do the format_array_alloc() in u32_array_open() to
> >initialize file->private_data.  If that allocation fails, just return
> >-ENOMEM.  Then you never need to add a mutex in the read path.
> >
> 
> Tested-by: Raghavendra <raghavendra.kt@...ux.vnet.ibm.com>

Excellent. Thank you!

> 
--
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/