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Date:      Mon, 20 Aug 2012 07:43:55 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        Randall Stewart <rrs@lakerest.net>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org
Subject:   Re: svn commit: r239353 - head/sys/netinet
Message-ID:  <201208200743.55498.jhb@freebsd.org>
In-Reply-To: <E60B43B7-21D3-421E-B631-8F0A99ACDF07@lakerest.net>
References:  <201208170551.q7H5pkd1025308@svn.freebsd.org> <201208170826.25123.jhb@freebsd.org> <E60B43B7-21D3-421E-B631-8F0A99ACDF07@lakerest.net>

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On Saturday, August 18, 2012 5:31:24 am Randall Stewart wrote:
> Note that in the main FreeBSD sources however, the fact that ip_input.c d=
oes *not* lock
> when it looks at the hash table these lines are removing from here means =
there is still a potential
> for a crash. I have a fix for this that does not require the lock, when I=
 get a moment
> I will send it your way=85 you have seen part of it ;-)

Heh, that is probably true, I just think that moving the ifa_free() around
here doesn't help to solve those crashes.  You are just as vulnerable no
matter where they are performed.

=2D-=20
John Baldwin



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