Date: Tue, 11 Sep 2018 12:13:05 +0200 From: Alexander Leidinger <Alexander@leidinger.net> To: Mark Johnston <markj@freebsd.org>, Bjoern Zeeb <bz@freebsd.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r338571 - in head/sys: netinet netinet6 Message-ID: <20180911121305.Horde.J3vJzVyD-MnqSCzDlCW7an7@webmail.leidinger.net> In-Reply-To: <201809101900.w8AJ0TAQ055228@repo.freebsd.org>
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Quoting Mark Johnston <markj@freebsd.org> (from Mon, 10 Sep 2018 19:00:29 +0000 (UTC)): > Author: markj > Date: Mon Sep 10 19:00:29 2018 > New Revision: 338571 > URL: https://svnweb.freebsd.org/changeset/base/338571 > > Log: > Fix synchronization of LB group access. > > Lookups are protected by an epoch section, so the LB group linkage must > be a CK_LIST rather than a plain LIST. Furthermore, we were not > deferring LB group frees, so in_pcbremlbgrouphash() could race with > readers and cause a use-after-free. Is this related to PR 230950? https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230950 Bye, Alexander. -- http://www.Leidinger.net Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF
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