Date: Mon, 29 Aug 2005 22:18:52 +0200 From: Andre Oppermann <andre@freebsd.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/sys mbuf.h src/sys/kern uipc_mbuf.c Message-ID: <43136DAC.4318A183@freebsd.org> References: <200508291958.j7TJwvd0093355@repoman.freebsd.org>
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Andre Oppermann wrote: > > andre 2005-08-29 19:58:56 UTC > > FreeBSD src repository > > Modified files: > sys/sys mbuf.h > sys/kern uipc_mbuf.c > Log: > Add m_sanity(struct mbuf *m, int sanitize) to do some heavy sanity > checking on mbuf's and mbuf chains. Set sanitize to 1 to garble > illegal things and have them blow up later when used/accessed. > > m_sanity()'s main purpose is for KASSERT()'s and debugging of non- > kosher mbuf manipulation (of which we have a number of). A kernel with m_santiy() as the first thing in ip_output() doesn't survive the first outgoing TCP connection. There are a lot of strange and sometimes right out incorrect mbuf (ab)uses in the kernel. -- Andre
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