Date: Thu, 6 Aug 2020 17:27:59 +0000 From: Brooks Davis <brooks@freebsd.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r363966 - head/sys/vm Message-ID: <20200806172759.GC19649@spindle.one-eyed-alien.net> In-Reply-To: <202008061620.076GKLoa047657@repo.freebsd.org> References: <202008061620.076GKLoa047657@repo.freebsd.org>
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--JYK4vJDZwFMowpUq Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Aug 06, 2020 at 04:20:21PM +0000, Brooks Davis wrote: > Author: brooks > Date: Thu Aug 6 16:20:20 2020 > New Revision: 363966 > URL: https://svnweb.freebsd.org/changeset/base/363966 >=20 > Log: > Preserve ASLR vm_map flags across fork > =20 > In the most common case (fork+execve) this doesn't matter, but further > attempts to apply entropy would fail in (e.g.) a pre-fork server. > =20 > Reported by: Alfredo Mazzinghi > Reviewed by: kib, markj > Obtained from: CheriBSD > MFC after: 3 days > Differential Revision: https://reviews.freebsd.org/D25966 For the record, ASLR is off by default so there will not be a security advisory on this issue. If there are enough users who are concerned about this we will consider an eratta notice for 12.1. -- Brooks --JYK4vJDZwFMowpUq Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEcBAEBAgAGBQJfLD2eAAoJEKzQXbSebgfAcmMH/3/8c+Xbs1w0Rr/8qo9Bo/jN qA9dskspU6SAlIlaxv3Ip/AxtrghNobfTD8hnfnDu6B9p8jPtdpNvacCcYwpFWR7 +2Nr/tlQtiAF5m6PPAq/Blx9aMeuboqLdcq93k7F/6aB4Ngn/bSR5gaElVS3OWjh iMRwNtWvTWD26BFB4mHgEzd6t7qz9RiJSor2OwCD7/F9BJv6sECYseL21pNu8aSE PfE4KoXFVGKpyyoeLVThufZckY3Dvpsrhavr0sqTcRO9hjQOwN0rvEtGSBgA2AVI H4gNSBdgVmUZTvEcQsa46iajnpfnHUrCiE0/FZXbyZ74PczfLpbU8p0+1Xdi4s0= =zAIG -----END PGP SIGNATURE----- --JYK4vJDZwFMowpUq--
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