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Date:	Fri, 20 Nov 2015 19:58:18 +0100
From:	Christoph Schulz <>
To:	David Miller <>
Subject: Re: [PATCH net] ppp: fix pppoe_dev deletion condition in


David Miller schrieb am Fri, 23 Oct 2015 03:30:48 -0700 (PDT):

> From: Guillaume Nault <>
> Date: Thu, 22 Oct 2015 16:57:10 +0200
>> We can't rely on PPPOX_ZOMBIE to decide whether to clear po->pppoe_dev.
>> PPPOX_ZOMBIE can be set by pppoe_disc_rcv() even when po->pppoe_dev is
>> NULL. So we have no guarantee that (sk->sk_state & PPPOX_ZOMBIE) implies
>> (po->pppoe_dev != NULL).
>> Since we're releasing a PPPoE socket, we want to release the pppoe_dev
>> if it exists and reset sk_state to PPPOX_DEAD, no matter the previous
>> value of sk_state. So we can just check for po->pppoe_dev and avoid any
>> assumption on sk->sk_state.
>> Fixes: 2b018d57ff18 ("pppoe: drop PPPOX_ZOMBIEs in pppoe_release")
>> Signed-off-by: Guillaume Nault <>
> Applied and queued up for -stable, thanks.

Somehow this commit (1acea4f6ce1b1c0941438aca75dd2e5c6b09db60) did not  
make it into Linux 4.2.6, 4.1.13, or 3.18.24. But I don't find it in  
your stable bundle on Patchwork either. Has this patch been  
inadvertently "lost in translation"?

Best regards,
Christoph Schulz

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