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From: Takashi Iwai <tiwai@suse.de>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: alsa-devel@alsa-project.org, Jie Yang <yang.jie@intel.com>,
	Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>,
	LKML <linux-kernel@vger.kernel.org>,
	Eric Dumazet <edumazet@google.com>,
	Alexander Potapenko <glider@google.com>,
	Kostya Serebryany <kcc@google.com>,
	syzkaller <syzkaller@googlegroups.com>,
	Sasha Levin <sasha.levin@oracle.com>
Subject: Re: sound: use-after-free in snd_timer_interrupt
Date: Fri, 15 Jan 2016 16:39:26 +0100	[thread overview]
Message-ID: <s5hmvs6volt.wl-tiwai@suse.de> (raw)
In-Reply-To: <CACT4Y+Z22tC11KEad8DeFFQ0a6Rq-iyRryew02nYivz7WCR7nA@mail.gmail.com>

On Fri, 15 Jan 2016 16:28:33 +0100,
Dmitry Vyukov wrote:
> 
> On Fri, Jan 15, 2016 at 4:21 PM, Takashi Iwai <tiwai@suse.de> wrote:
> > So you're running this in parallel?  Or a tight sequential loop?
> > I did the latter, and I tried even this on a bare metal, but couldn't
> > trigger the Oops, so far.
> 
> Yes, I run it in parallel using:
> 
> $ go get golang.org/x/tools/cmd/stress
> $ ./stress -p 8 ./a.out
> 
> But it just keeps 8 parallel processes running.

OK, then a bit different than I tested.  Will check.

> > Meanwhile, I pushed the tree including all fixes at for-linus branch:
> >   git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-linus
> >
> > It'd be appreciated if you can test this one.
> 
> Is it different from the patches you mailed?

No, they should be basically same, but just to make sure that we're
on the same ground.

> I keep several dozens
> fixes for bugs that are not yet merged into Linus tree + own kcov
> patch. It is not easy to rebase...

The branch should be pullable onto 4.4-final cleanly.

> Here is what I now have for sound/
> https://gist.githubusercontent.com/dvyukov/dc29dbfd320126285fd8/raw/e2ca7b59c0dc118045f9fb4e3d052cbc751e787e/gistfile1.txt
> 

Takashi

  reply	other threads:[~2016-01-15 15:44 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-13 15:00 sound: use-after-free in snd_timer_interrupt Dmitry Vyukov
2016-01-13 16:53 ` Takashi Iwai
2016-01-13 18:34   ` Dmitry Vyukov
2016-01-13 19:05     ` Takashi Iwai
2016-01-13 19:30       ` Dmitry Vyukov
2016-01-13 19:41         ` Dmitry Vyukov
2016-01-13 20:30           ` Takashi Iwai
2016-01-13 20:48             ` Dmitry Vyukov
2016-01-13 20:54               ` Takashi Iwai
2016-01-14 16:09                 ` Takashi Iwai
2016-01-15  8:06                   ` Dmitry Vyukov
2016-01-15 11:00                     ` Takashi Iwai
2016-01-15 11:03                       ` Dmitry Vyukov
2016-01-15 13:51                         ` Takashi Iwai
2016-01-15 14:38                           ` Dmitry Vyukov
2016-01-15 15:21                             ` Takashi Iwai
2016-01-15 15:28                               ` Dmitry Vyukov
2016-01-15 15:39                                 ` Takashi Iwai [this message]
2016-01-15 19:13                             ` Dmitry Vyukov
2016-01-15 19:18                               ` Takashi Iwai
2016-01-15 19:47                                 ` Dmitry Vyukov
2016-01-15 21:22                                   ` Takashi Iwai
2016-01-15 21:44                                     ` Takashi Iwai
2016-01-18 10:53                                       ` Dmitry Vyukov
2016-01-18 13:06                                         ` Takashi Iwai
2016-01-18 13:30                                           ` Dmitry Vyukov
2016-01-18 13:36                                             ` Takashi Iwai
2016-01-13 20:45         ` Takashi Iwai
  -- strict thread matches above, loose matches on Subject: below --
2016-04-02  9:08 Dmitry Vyukov
2016-04-02 16:30 ` Takashi Iwai
2016-04-03  6:06   ` Dmitry Vyukov
2016-04-03  6:33     ` Takashi Iwai
2016-04-20  7:56       ` Dmitry Vyukov
2016-04-20  8:08         ` Takashi Iwai
2016-04-20 10:31           ` Takashi Iwai
2016-04-21  8:14             ` Dmitry Vyukov
2016-04-21  8:31               ` Takashi Iwai

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