Date: Sat, 20 Apr 2013 23:10:05 +0700 From: Eugene Grosbein <egrosbein@rdtc.ru> To: Marcelo Gondim <gondim@bsdinfo.com.br> Cc: freebsd-stable@freebsd.org Subject: Re: Possible DoS in mpd 5.6 pppoe server Message-ID: <5172BDDD.4010509@rdtc.ru> In-Reply-To: <5172965A.9080600@bsdinfo.com.br> References: <5172965A.9080600@bsdinfo.com.br>
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On 20.04.2013 20:21, Marcelo Gondim wrote: > Hi all, > > I'm doing tests with mpdas pppoeserver. Tried to simulate an attack of > 1000 connections using an incorrect login and after a certain time can > cause a kernel panic in the system. Below the panicgenerated: > > http://pastebin.com/nUXGVR3y You seem to use dummynet and the problem is not in mpd/pppoe code, it's it the dummynet code. Look at http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/162558 for workarounds.
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