Date: Wed, 6 Nov 2002 08:19:35 -0800 (PST) From: Archie Cobbs <archie@dellroad.org> To: Harti Brandt <brandt@fokus.gmd.de> Cc: Iasen Kostov <ikostov@otel.net>, Archie Cobbs <archie@dellroad.org>, freebsd-net@FreeBSD.org Subject: Re: NFS functions does *NOT* check if they really have allocated any memory Message-ID: <200211061619.gA6GJZ93002593@arch20m.dellroad.org> In-Reply-To: <20021106125444.K20974-100000@beagle.fokus.gmd.de> "from Harti Brandt at Nov 6, 2002 12:56:13 pm"
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Harti Brandt writes: > IK>> > As I experience system crushes at time of mbufs exhaustion I've compiled > IK>> > a debug kernel and traced the problem. I seems the NFS functions > IK>> > (nfsm_rpchead, nfsm_reqh ...) does *NOT* chek if they really have > IK>> > allocated memory by MGET macro. > IK>> > IK>> No check is necessary if M_WAIT is specified; the M_GET() function > IK>> is always successful in that case. Same for malloc(). > > Wrong. malloc() returns always successful with M_WAIT, M_GET not. There > is a timeout the M_GET() will wait, but the it will return NULL. Oops, you're right.. sorry for the misinformation. Sounds like a bug to me (did Iasen file a PR?) -Archie __________________________________________________________________________ Archie Cobbs * Packet Design * http://www.packetdesign.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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