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From: Steven Schlansker <sschlansker@opentable.com>
To: "stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Request backport of 'ipv6: addrconf: fix dev refcont leak when DAD failed ' to linux-4.4.y
Date: Mon, 3 Oct 2016 19:27:35 +0000	[thread overview]
Message-ID: <791D97FF-8539-4A6A-9B12-6A2AC25EDE37@opentable.com> (raw)

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Hi linux-stable,

This is a request to backport

751eb6b6 ipv6: addrconf: fix dev refcont leak when DAD failed
https://github.com/torvalds/linux/commit/751eb6b6042a596b0080967c1a529a9fe98dac1d

to linux-stable 4.4.y branch.
It has already been applied to stable master, and 4.7.y, but not longterm 4.4.y

We often (1+/week) run into hosts hanging with errors like

[1637669.684652] unregister_netdevice: waiting for veth26dc718 to become free. Usage count = 1
[1637679.864366] unregister_netdevice: waiting for veth26dc718 to become free. Usage count = 1

and have been told that this patch likely fixes the problem.

I am not on the list so please keep me on CC for any followup.

Thanks!
Steven


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             reply	other threads:[~2016-10-03 21:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-03 19:27 Steven Schlansker [this message]
2016-10-04  7:18 ` Request backport of 'ipv6: addrconf: fix dev refcont leak when DAD failed ' to linux-4.4.y Greg KH
2016-10-04 16:57   ` Steven Schlansker

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