Date: Tue, 8 Feb 2005 10:08:42 -0800 From: Kris Kennaway <kris@obsecurity.org> To: John Baldwin <jhb@FreeBSD.org> Cc: sparc64@FreeBSD.org Subject: M_SUBPROC use-after-free fix (Re: cvs commit: src/sys/sparc64/include md_var.h src/sys/sparc64/sparc64 machdep.c sys_machdep.c vm_machdep.c) Message-ID: <20050208180842.GA67599@xor.obsecurity.org> In-Reply-To: <200502081748.j18Hm3B6082666@repoman.freebsd.org> References: <200502081748.j18Hm3B6082666@repoman.freebsd.org>
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[-- Attachment #1 --] On Tue, Feb 08, 2005 at 05:48:03PM +0000, John Baldwin wrote: > jhb 2005-02-08 17:48:03 UTC > > FreeBSD src repository > > Modified files: (Branch: RELENG_5) > sys/sparc64/include md_var.h > sys/sparc64/sparc64 machdep.c sys_machdep.c vm_machdep.c > Log: > MFC: Add a small API to manage the MD user trap structures including adding > missing locking to close a race that resulted in use-after-free. Oops, I thought this was already merged. This explains the 'use after free' panics that were still being reported on RELENG_5. Users of SMP sparc machines should update to incorporate this patch. Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFCCQAqWry0BWjoQKURAj3FAKC+elQeggNA+qWTswPeVDrRq7UAVwCeP1aJ hL6hKI64j+kW8/nPffZ6z10= =SwOi -----END PGP SIGNATURE-----
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