From: Oleg Nesterov <oleg@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Dave Jones <davej@redhat.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Al Viro <viro@zeniv.linux.org.uk>,
Davide Libenzi <davidel@xmailserver.org>,
Eric Wong <normalperson@yhbt.net>
Subject: Re: epoll oops.
Date: Mon, 14 Oct 2013 21:17:12 +0200 [thread overview]
Message-ID: <20131014191712.GA16886@redhat.com> (raw)
In-Reply-To: <CA+55aFw64xTR7LXjo5OfUvRwDb9UF8EcfjguAbF0C3VsUXCecg@mail.gmail.com>
On 10/14, Linus Torvalds wrote:
>
> Oleg, does this trigger any memory for you? Commit 971316f0503a
> ("epoll: ep_unregister_pollwait() can use the freed pwq->whead") just
> makes me go "Hmm, this is *exactly* that that commit is talking
> about.."
Well. I have to admit I forgot everything I learned about this code
when I tried to fix that bug, and there were some subtle changes after
that... But of course I will try to investigate.
Oleg.
next prev parent reply other threads:[~2013-10-14 19:23 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-14 15:46 epoll oops Dave Jones
2013-10-14 17:31 ` Linus Torvalds
2013-10-14 19:17 ` Oleg Nesterov [this message]
2013-10-14 20:57 ` Linus Torvalds
2013-10-15 15:48 ` Oleg Nesterov
2013-10-15 19:28 ` Dave Jones
2013-10-16 22:39 ` Eric Wong
2013-10-17 13:53 ` Oleg Nesterov
2013-10-23 9:08 ` Pekka Enberg
2013-10-23 13:43 ` Peter Hurley
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