Date: Fri, 25 Apr 2014 16:42:56 -0600 From: Alan Somers <asomers@freebsd.org> To: FreeBSD Net <freebsd-net@freebsd.org> Subject: Please review: fix page fault panic in lacp_req Message-ID: <CAOtMX2jXHwJJ9CBz9kVVUYVX7d_uKxkLqieuWFbxDNTbBNfWVw@mail.gmail.com>
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If you do an "ifconfig -am" in one thread while doing an "ifconfig lagg0 destroy" in another thread, at least two panics may result. One is in lacp_req(), caused by NULL == lsc. I opened kern/189003 to describe it. I'm still working on the other panic or panics. Full explanation and patch are at http://www.freebsd.org/cgi/query-pr.cgi?pr=189003&cat= . Can somebody please review the patch? -Alan
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