Date: Wed, 29 Nov 2000 15:38:45 -0800 From: Alfred Perlstein <bright@wintelcom.net> To: Thomas Moestl <tmoestl@gmx.net> Cc: Boris Popov <bp@butya.kz>, freebsd-hackers@FreeBSD.ORG Subject: Re: [PATCH] Fix for panics in lookup() after forced unmount Message-ID: <20001129153845.R8051@fw.wintelcom.net> In-Reply-To: <20001130000439.A3370@crow.dom2ip.de>; from tmoestl@gmx.net on Thu, Nov 30, 2000 at 12:04:39AM %2B0100 References: <20001126190453.A1157@crow.dom2ip.de> <Pine.BSF.4.21.0011271102480.96868-100000@lion.butya.kz> <20001130000439.A3370@crow.dom2ip.de>
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* Thomas Moestl <tmoestl@gmx.net> [001129 15:06] wrote: > X > On Mon, Nov 27, 2000 at 11:04:37AM +0600, Boris Popov wrote: > > On Sun, 26 Nov 2000, Thomas Moestl wrote: > > > > > Actually, the panic will occur after a simple forced unmount of the current > > > working directory and subsequent try to access "..". This is because the > > > vnode of the cwd was cleared and it's v_mount member was set to NULL. This > > > member is however dereferenced in the handling for the ".." special case in > > > lookup(), causing a panic. > > > [...] > > > > Good work Thomas! I think patch can be committed as is. > Could someone please commit this? Or shall I rather file a PR? Please assign a PR with the attached patch, I'll try to get to it. -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] "I have the heart of a child; I keep it in a jar on my desk." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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