Date: Mon, 2 Feb 2004 20:26:17 +0300 (MSK) From: Maxim Konovalov <maxim@macomnet.ru> To: Joel Ray Holveck <joelh@piquan.org> Cc: hackers@freebsd.org Subject: Re: Panic in /proc Message-ID: <20040202202524.I61487@news1.macomnet.ru> In-Reply-To: <87n084cyp1.fsf@thor.piquan.org> References: <87n084cyp1.fsf@thor.piquan.org>
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On Sat, 31 Jan 2004, 00:24-0800, Joel Ray Holveck wrote: > Here's a way to panic FreeBSD 5.2, as any user: > > dd if=/proc/curproc/map iseek=0x8000 bs=4096 of=/dev/null count=1 > > I briefly examined the core. It appears that pseudofs is trying to > malloc an sbuf big enough to hold everything up to the 128 MB mark > that we requested, which it intends to get procfs to fill. Of course, > the malloc fails, and the kernel panics. Please fill a PR. -- Maxim Konovalov, maxim@macomnet.ru, maxim@FreeBSD.org
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