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From: Andrew Morton <andrewm@uow.edu.au>
To: Marcell GAL <cell@sch.bme.hu>
Cc: linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
	Michal Ostrowski <mostrows@styx.uwaterloo.ca>
Subject: Re: Scheduling in interrupt BUG.
Date: Mon, 14 May 2001 23:04:25 +1000	[thread overview]
Message-ID: <3AFFD7D9.67D6622A@uow.edu.au> (raw)
In-Reply-To: <3AFFBF14.7D7BAB01@sch.bme.hu>

Marcell GAL wrote:
> 
> int pppoe_backlog_rcv(struct sock *sk, struct sk_buff *skb)
> {
>         lock_sock(sk);
>         pppoe_rcv_core(sk, skb);
>         release_sock(sk);
>         return 0;
> }
> 

The backlog_rcv() method is called inside local_bh_disable()
and so cannot call lock_sock().   Definitely a bug in pppoe.

It looks like pppoe_backlog_rcv() should be using bh_lock_sock().

      parent reply	other threads:[~2001-05-14 13:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-05-14 11:18 Scheduling in interrupt BUG Marcell GAL
2001-05-14 12:32 ` Scheduling in interrupt BUG. [Patch] Michal Ostrowski
2001-05-14 20:21   ` Marcell Gal
2001-05-14 20:24     ` Michal Ostrowski
2001-05-14 20:45   ` Andi Kleen
2001-05-14 13:04 ` Andrew Morton [this message]

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