netdev - Re: [PATCH net-next] tipc: don't call sock

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Message-Id: <20180219.143829.842027434381717638.davem@davemloft.net>
Date:   Mon, 19 Feb 2018 14:38:29 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     pabeni@...hat.com
Cc:     netdev@...r.kernel.org, jon.maloy@...csson.com,
        ying.xue@...driver.com
Subject: Re: [PATCH net-next] tipc: don't call sock_release() in atomic
 context

From: Paolo Abeni <pabeni@...hat.com>
Date: Mon, 19 Feb 2018 19:02:24 +0100

> syzbot reported a scheduling while atomic issue at netns
> destruction time:
 ...
> This is caused by tipc_topsrv_stop() releasing the listener socket
> with the idr lock held. This changeset addresses the issue moving
> the release operation outside such lock.
> 
> Reported-and-tested-by: syzbot+749d9d87c294c00ca856@...kaller.appspotmail.com
> Fixes: 0ef897be12b8 ("tipc: separate topology server listener socket from subcsriber sockets")
> Signed-off-by: Paolo Abeni <pabeni@...hat.com>

Applied, thanks Paolo.