Date: Wed, 6 Nov 2002 12:56:13 +0100 (CET) From: Harti Brandt <brandt@fokus.gmd.de> To: Iasen Kostov <ikostov@otel.net> Cc: 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: <20021106125444.K20974-100000@beagle.fokus.gmd.de> In-Reply-To: <20021106120422.G80368-100000@shadowhand.OTEL.net>
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On Wed, 6 Nov 2002, Iasen Kostov wrote: IK> IK> IK>On Tue, 5 Nov 2002, Archie Cobbs wrote: IK> IK>> Iasen Kostov 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. harti To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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