From: David Miller <davem@davemloft.net>
To: kaber@trash.net
Cc: poemann@gmail.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: kernel BUG at net/core/skbuff.c in linux-2.6.21-rc6
Date: Fri, 13 Apr 2007 16:16:35 -0700 (PDT) [thread overview]
Message-ID: <20070413.161635.26523891.davem@davemloft.net> (raw)
In-Reply-To: <461DC70B.4000500@trash.net>
From: Patrick McHardy <kaber@trash.net>
Date: Thu, 12 Apr 2007 07:43:39 +0200
> Bartek wrote:
> > Hopefully, this time it my bug report should be ok :):
> >
> > Apr 11 23:53:38 localhost pppd[31289]: rcvd [proto=0x7689] e1 cd 33 f6
> > fd f7 52 e6 58 c9 73 98 bc ff ad d5 b5 a3 e5 d9 1e 77 76 0a 1c 87 59
> > bf 44 cc ac 3b ...
> > Apr 11 23:53:38 localhost pppd[31289]: Unsupported protocol 0x7689 received
> > Apr 11 23:53:38 localhost pppd[31289]: sent [LCP ProtRej id=0x9 76 89
> > e1 cd 33 f6 fd f7 52 e6 58 c9 73 98 bc ff ad d5 b5 a3 e5 d9 1e 77 76
> > 0a 1c 87 59 bf 44 cc ...]
> > Apr 11 23:53:38 localhost pppd[31289]: rcvd [proto=0xda7d] 15 19 45 3c
> > e0 ac 44 92 3b c4 8e 75 6b b8 4a 9f 4a 3a 22 63 d3 a1 56 98 47 62 bc
> > cd a6 8e d5 77 ...
> > Apr 11 23:53:38 localhost pppd[31289]: Unsupported protocol 0xda7d received
> > Apr 11 23:53:38 localhost pppd[31289]: sent [LCP ProtRej id=0xa da 7d
> > 15 19 45 3c e0 ac 44 92 3b c4 8e 75 6b b8 4a 9f 4a 3a 22 63 d3 a1 56
> > 98 47 62 bc cd a6 8e ...]
> > Apr 11 23:53:40 localhost kernel: skb_under_panic: text:f8c62c0e
> > len:291 put:1 head:ddc94800 data:ddc947ff tail:ddc94922 end:ddc94e00
> > dev:<NULL>
>
>
> It seems we fail to reserve enough headroom for the case
> buf[0] == PPP_ALLSTATIONS and buf[1] != PPP_UI.
>
> Can you try this patch please?
Any confirmation of this fix yet?
next prev parent reply other threads:[~2007-04-13 23:16 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-07 18:11 Bartek
2007-04-08 6:47 ` David Miller
2007-04-08 20:15 ` Bartek
2007-04-10 9:19 ` Bartek
2007-04-10 11:25 ` Jesper Juhl
2007-04-12 5:18 ` Bartek
2007-04-12 5:43 ` Patrick McHardy
2007-04-13 23:16 ` David Miller [this message]
2007-04-14 6:00 ` Herbert Xu
2007-04-14 16:49 ` Paul Mackerras
2007-04-14 17:04 ` David Miller
2007-04-14 17:10 ` Patrick McHardy
2007-04-15 0:50 ` Paul Mackerras
2007-04-15 1:05 ` Paul Mackerras
2007-04-19 20:07 ` David Miller
2007-04-18 12:42 ` Jarek Poplawski
2007-04-18 21:35 ` Herbert Xu
2007-04-19 8:49 ` Bartek
2007-04-19 11:41 ` Herbert Xu
2007-04-15 10:45 ` Bartek
2007-04-16 4:06 ` Patrick McHardy
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