Date: Wed, 18 Jan 2006 17:11:12 -0500 From: Kris Kennaway <kris@obsecurity.org> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: System call munmap returning with the following locks held: Giant Message-ID: <20060118221112.GA50711@xor.obsecurity.org> In-Reply-To: <200601181652.59407.jhb@freebsd.org> References: <20060118070549.GA617@xor.obsecurity.org> <200601181652.59407.jhb@freebsd.org>
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[-- Attachment #1 --] On Wed, Jan 18, 2006 at 04:52:56PM -0500, John Baldwin wrote: > I sent this to you on IRC, but for the archives, here's a possible fix. It > looks like vm_object_deallocate() never unlocks Giant if it locks it, and the > leak would only happen if mpsafevfs=0 or you are using a non-safe filesystem: It seems to work; and NFS is non mp-safe, right? Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDzrz+Wry0BWjoQKURAhU3AKDnFtaYJAlAeFy5/CoenHHTZ3d6BACeIPss fxbbLcniWM6JL9AP2yMG8vs= =3tPA -----END PGP SIGNATURE-----
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