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Date: Thu, 18 Feb 2016 12:44:27 -0500
From: Tejun Heo <tj@...nel.org>
To: Dmitry Vyukov <dvyukov@...gle.com>
Cc: Jiri Slaby <jslaby@...e.cz>, Marcel Holtmann <marcel@...tmann.org>,
Gustavo Padovan <gustavo@...ovan.org>,
Johan Hedberg <johan.hedberg@...il.com>,
"David S. Miller" <davem@...emloft.net>,
linux-bluetooth@...r.kernel.org, netdev <netdev@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>,
syzkaller <syzkaller@...glegroups.com>,
Kostya Serebryany <kcc@...gle.com>,
Alexander Potapenko <glider@...gle.com>,
Sasha Levin <sasha.levin@...cle.com>,
Eric Dumazet <edumazet@...gle.com>,
Takashi Iwai <tiwai@...e.com>
Subject: Re: net/bluetooth: workqueue destruction WARNING in
hci_unregister_dev
Hello,
Can you please do the followings?
1. Remove WQ_MEM_RECLAIM from the affected workqueue and see whether
the problem is reproducible. WQ_MEM_RECLAIM on anything bluetooth
doesn't make sense btw. Why is it there?
2. If WQ_MEM_RECLAIM makes the issue go away, see whether the attached
patch works too.
Thanks.
--
tejun
View attachment "patch" of type "text/plain" (1184 bytes)
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