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  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]
Date:	Mon, 11 Aug 2014 10:04:47 +0200
From:	Ulf Hansson <>
To:	John Stultz <>,
	Kees Cook <>
Cc:	"Theodore Ts'o" <>, Chris Ball <>,
	Peter Maydell <>,
	Johan Rudholm <>,
	Russell King - ARM Linux <>,
	lkml <>
Subject: Re: [Regression] 3.15 mmc related ext4 corruption with qemu-system-arm

On 9 August 2014 06:03, John Stultz <> wrote:
> On Fri, Aug 8, 2014 at 5:32 PM, Theodore Ts'o <> wrote:
>> On Fri, Aug 08, 2014 at 05:17:54PM -0700, John Stultz wrote:
>>> On 08/08/2014 05:15 PM, Kees Cook wrote:
>>> > On Fri, Aug 8, 2014 at 2:14 PM, John Stultz <> wrote:
>>> >> I sunk a couple of weeks bisecting to try to narrow down the more
>>> >> sporadic issue, but was unsuccessful past the initial commit above.
>>> >> Since then I've been far too swamped to spend any more time on it. Even
>>> >> so, its a *major* pain for testing but it seems like no one else really
>>> >> cares?
>>> > I'm in the same boat as far as poor bisection results. :(
>>> >
>>> > However, I keep using the 3-patch mmci fix series from Ulf, and
>>> > haven't hit any trouble with them. Though perhaps I'm just getting
>>> > lucky?
>>> >
>>> >
>>> I guess I'll give that another shot
>> There was an ext4 bug that might have caused this problem.  It was
>> fixed in v3.15.6 and v3.16-rc5.
> Sweet! Many thanks to Eric for chasing that down (I spent a ton of
> time with no results, so I can't imagine how much effort it took him)
> and you for pointing it out.
> So yes, so far I'm not seeing any filesystem panics w/ Linus' head  +
> with Ulf's patches in Kees tree above. That makes me *very* happy.
> Ulf: Are you planning to push those upstream (and to -stable) soon?

Sorry for the delay!

I will apply them just now and add a stable tag to the commits!

Kind regards

> thanks
> -john
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists