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Date: Fri, 16 Nov 2007 01:00:22 +0100 From: Patrick McHardy <kaber@...sh.net> To: David Miller <davem@...emloft.net> CC: johnpol@....mipt.ru, cebbert@...hat.com, netfilter-devel@...r.kernel.org, netdev@...r.kernel.org Subject: Re: Null pointer dereference in nf_nat_move_storage(), kernel 2.6.23.1 David Miller wrote: > From: Evgeniy Polyakov <johnpol@....mipt.ru> > Date: Thu, 15 Nov 2007 15:06:59 +0300 > >> Please test attached patch. >> >> This routing is called each time hash should be replaced, nf_conn has >> extension list which contains pointers to connection tracking users >> (like nat, which is right now the only such user), so when replace takes >> place it should copy own extensions. Loop above checks for own >> extension, but tries to move higer-layer one, which can lead to above >> oops. >> >> Not tested, derived from code observation only. >> >> Signed-off-by: Evgeniy Polyakov <johnpol@....mipt.ru> > > It looks extremely correct to me. Therefore I'm going to apply > this and queue it up for -stable. > > Thanks Evgeniy, keep up the excellent work! > > Patrick, please let me know if you have any objections. The patch looks fine, thanks. I was just waiting for confirmation from Chuck. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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