linux-kernel - Re: [lkp] [sctp] d46e416c11: WARNING: CPU: 2 PID: 727 at net/ipv4/af_inet.c:685 inet

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Date:	Mon, 13 Jun 2016 13:04:28 -0300
From:	Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To:	kernel test robot <xiaolong.ye@...el.com>,
	Xin Long <lucien.xin@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	LKML <linux-kernel@...r.kernel.org>,
	Johan Hedberg <johan.hedberg@...el.com>,
	linux-bluetooth@...r.kernel.org, lkp@...org, ltp@...ts.linux.it,
	"linux-sctp@...r.kernel.org" <linux-sctp@...r.kernel.org>
Subject: Re: [lkp] [sctp] d46e416c11: WARNING: CPU: 2 PID: 727 at
 net/ipv4/af_inet.c:685 inet_accept+0x10d/0x110

Em 11-06-2016 22:58, kernel test robot escreveu:
>
>
> FYI, we noticed the following commit:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master
> commit d46e416c11c88ef1deb5c7f19271806a5be597fe ("sctp: sctp should change socket state when shutdown is received")
>
> in testcase: ltp
> with following parameters: test=sctp
>
> on test machine: nhm-white2: 8 threads Nehalem with 4G memory
>
> caused below changes:

Hi,

Xin and I are working on a fix for this. Using SCTP_SS_CLOSING for 
sctp_sock_migrate() wasn't a good move. That's what is causing this.
Probably should have just moved to SCTP_SS_CLOSED already as the asoc is 
already closed.

Thanks,
Marcelo