From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <c7f90e9bbd00add018b61bd14cbf4606@felloff.net>
Date: Mon, 23 Jun 2014 10:08:24 +0200
From: cinap_lenrek@felloff.net
To: 9fans@9fans.net
In-Reply-To: <77de0edfefe533821fb5106a4d24052b@mikro.quanstro.net>
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Subject: Re: [9fans] bug in procwired() for x86 scheduler?
Topicbox-Message-UUID: fcb092ca-ead8-11e9-9d60-3106f5b1d025

	if(up != p && (p->wired == nil || p->wired->machno == m->machno))

dereferencing p->wired can fault when another processor rewires the
proc temporarily setting p->wired to nil.

--
cinap