Date: Sun, 3 Feb 2002 21:43:57 -0500 (EST) From: Ralph Huntington <rjh@mohawk.net> To: Mike Silbersack <silby@silby.com> Cc: Jason Stone <jason@shalott.net>, <freebsd-security@FreeBSD.ORG> Subject: Re: crashs on 4.5RC Message-ID: <20020203214321.P34108-100000@mohegan.mohawk.net> In-Reply-To: <20020203185219.P11305-100000@patrocles.silby.com>
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Gentlemen, this is not a security issue. Please take it to the appropriate list. Please. Thank you. ;-) On Sun, 3 Feb 2002, Mike Silbersack wrote: > > On Sun, 3 Feb 2002, Jason Stone wrote: > > > The last messages in my logs before the box went down were: > > > > Feb 2 11:47:28 walter /kernel: m_retry failed, consider increase mbuf value > > Feb 2 11:47:28 walter /kernel: m_retryhdr failed, consider increase mbuf value > > Feb 2 11:47:29 walter /kernel: fxp0: mbuf allocation failed, packet dropped! > > Feb 2 11:47:29 walter last message repeated 15 times > > > > So my question is, is it possible to panic and crash a FreeBSD box by > > overflowing its nmbclusters? > > > > -Jason > > In theory, no. However, if there's a piece of code which doesn't expect > to have mbuf allocations ever fail, then a panic and crash could very well > occur. Also, network connections failing could cause a userland app to > start acting really strange. > > So, we'd need more information to really know. > > Mike "Silby" Silbersack > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-security" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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