Date: Wed, 30 Apr 1997 17:10:56 +0930 (CST) From: Michael Smith <msmith@atrad.adelaide.edu.au> To: avalon@coombs.anu.edu.au (Darren Reed) Cc: hackers@freebsd.org Subject: Re: Unloading LKMs (was Re: A Desparate Plea for Help...) Message-ID: <199704300740.RAA27412@genesis.atrad.adelaide.edu.au> In-Reply-To: <199704300707.QAA27240@genesis.atrad.adelaide.edu.au> from Darren Reed at "Apr 30, 97 05:07:10 pm"
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Darren Reed stands accused of saying: > > Hmmm, IP Filter unloads and reloads easily enough. I expect that you take care to release your hooks before you go though, correct? There is no way of removing a devsw entry, and often no check made to ensure that it's safe to go. > However, give some thought to a process which is in a kernel sleep state, > inside the LKM and theLKM is removed, leaving the process still sleeping > on a now invalid address. Indeed. -- ]] Mike Smith, Software Engineer msmith@gsoft.com.au [[ ]] Genesis Software genesis@gsoft.com.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control. (ph) +61-8-8267-3493 [[ ]] Unix hardware collector. "Where are your PEZ?" The Tick [[
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