app-emulation/xen: fix XSA-210

arm: memory corruption when freeing p2m pages

Package-Manager: Portage-2.3.3, Repoman-2.3.1

2 files changed, 194 insertions, 0 deletions

diff --git a/app-emulation/xen/Manifest b/app-emulation/xen/Manifest
index df0b221f5fa7..65896802cbd0 100644
--- a/app-emulation/xen/Manifest
+++ b/app-emulation/xen/Manifest
@@ -2,3 +2,4 @@ DIST xen-4.7.1-upstream-patches-0.tar.xz 16420 SHA256 cb4724fedadc408ec390f99e99
 DIST xen-4.7.1.tar.gz 20706864 SHA256 e87f4b0575e78657ee23d31470a15ecf1ce8c3a92a771cda46bbcd4d0d671ffe SHA512 eb03244f5fa7b54402fcc1d38f1e69c0ea4536d5ab2f9859b41b5e94920ad9db20fb146e3c3d3635e9ca1d12e93ce0429e57f24bf53d4a2c4b69babc76ec724e WHIRLPOOL 5d7ba29ea58bdedb6a237f7cb1c0aacf361dc35ebb07ec8e55773e07b1f38c1b151615b526e14daeca7c2db235114bde0b6d124219e8818c6e529873b5151fec
 DIST xen-4.8.0.tar.gz 22499917 SHA256 1e15c713ab7ba3bfda8b4a285ed973529364fd1100e6dd5a61f29583dc667b04 SHA512 70b95553f9813573b12e52999a4df8701dec430f23c36a8dc70d25a46bb4bc9234e5b7feb74a04062af4c8d6b6bcfe947d90b2b172416206812e54bac9797454 WHIRLPOOL 1296c25a05e3ab81730a2587ea1c07c7c022f05cfefc580224185c8d5fc9853531031c1292f69eff944ae2752492c4b95f13e160be3c449a7626aeadf1a21102
 DIST xen-security-patches-21.tar.xz 6888 SHA256 76e43fb4c41a606cb1a5e56045dedff0ed3c94b535d89a736664965ee4a44699 SHA512 eb889d90630b6a7c4b9785bf8c2db1d83c7878cec3aa125601b38f75f70a965e52aa5003024feec40d35ee940975dfd766eeb806cdcff717991876d50ce0839b WHIRLPOOL 9039cc7410fbb0e36e1ab74d597c7b1075f92e43b9d22bcb198c0594a0802fca50f86a9fa4343cea83a68eacd6acb6fa0ef73fbd20c19a27f5e92c3f32711af8
+DIST xen-security-patches-24.tar.xz 8848 SHA256 1aa2be3a15771473d3b043ccd703f7893618473a77193feb1703bf552aa777fa SHA512 d9ccee8ad3ffe2e035de9e95bf7ef850f31cf368dd228e62acf867ff6a8948e8c2882e64f341ff3458349f8317185241a40178f30f804edfa51b2b7cf6c6cda0 WHIRLPOOL cd632b7bf95e929f5037be6a16a59d3fcde50e47cc034cc0d44c29bc16c42a9a01c720a4401804fa9df8fa908f4fc8e75f2fcbef3d56381b7dca81d45618e773
diff --git a/app-emulation/xen/xen-4.8.0-r3.ebuild b/app-emulation/xen/xen-4.8.0-r3.ebuild
new file mode 100644
index 000000000000..7351620bb3d5
--- /dev/null
+++ b/app-emulation/xen/xen-4.8.0-r3.ebuild
@@ -0,0 +1,193 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+PYTHON_COMPAT=( python2_7 )
+
+inherit eutils multilib mount-boot flag-o-matic python-any-r1 toolchain-funcs
+
+MY_PV=${PV/_/-}
+MY_P=${PN}-${PV/_/-}
+
+if [[ $PV == *9999 ]]; then
+	inherit git-r3
+	KEYWORDS=""
+	EGIT_REPO_URI="git://xenbits.xen.org/xen.git"
+	SRC_URI=""
+else
+	KEYWORDS="~amd64 ~arm -x86"
+	UPSTREAM_VER=
+	SECURITY_VER=24
+	GENTOO_VER=
+
+	[[ -n ${UPSTREAM_VER} ]] && \
+		UPSTREAM_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${P}-upstream-patches-${UPSTREAM_VER}.tar.xz"
+	[[ -n ${SECURITY_VER} ]] && \
+		SECURITY_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN}-security-patches-${SECURITY_VER}.tar.xz"
+	[[ -n ${GENTOO_VER} ]] && \
+		GENTOO_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN}-gentoo-patches-${GENTOO_VER}.tar.xz"
+	SRC_URI="http://bits.xensource.com/oss-xen/release/${MY_PV}/${MY_P}.tar.gz
+		${UPSTREAM_PATCHSET_URI}
+		${SECURITY_PATCHSET_URI}
+		${GENTOO_PATCHSET_URI}"
+fi
+
+DESCRIPTION="The Xen virtual machine monitor"
+HOMEPAGE="http://xen.org/"
+LICENSE="GPL-2"
+SLOT="0"
+IUSE="custom-cflags debug efi flask"
+
+DEPEND="${PYTHON_DEPS}
+	efi? ( >=sys-devel/binutils-2.22[multitarget] )
+	!efi? ( >=sys-devel/binutils-2.22 )"
+RDEPEND=""
+PDEPEND="~app-emulation/xen-tools-${PV}"
+
+# no tests are available for the hypervisor
+# prevent the silliness of /usr/lib/debug/usr/lib/debug files
+# prevent stripping of the debug info from the /usr/lib/debug/xen-syms
+RESTRICT="test splitdebug strip"
+
+# Approved by QA team in bug #144032
+QA_WX_LOAD="boot/xen-syms-${PV}"
+
+REQUIRED_USE="arm? ( debug )"
+
+S="${WORKDIR}/${MY_P}"
+
+pkg_setup() {
+	python-any-r1_pkg_setup
+	if [[ -z ${XEN_TARGET_ARCH} ]]; then
+		if use amd64; then
+			export XEN_TARGET_ARCH="x86_64"
+		elif use arm; then
+			export XEN_TARGET_ARCH="arm32"
+		elif use arm64; then
+			export XEN_TARGET_ARCH="arm64"
+		else
+			die "Unsupported architecture!"
+		fi
+	fi
+
+	if use flask ; then
+		export "XSM_ENABLE=y"
+		export "FLASK_ENABLE=y"
+	fi
+}
+
+src_prepare() {
+	# Upstream's patchset
+	if [[ -n ${UPSTREAM_VER} ]]; then
+		EPATCH_SUFFIX="patch" \
+		EPATCH_FORCE="yes" \
+		EPATCH_OPTS="-p1" \
+			epatch "${WORKDIR}"/patches-upstream
+	fi
+
+	# Security patchset
+	if [[ -n ${SECURITY_VER} ]]; then
+	einfo "Try to apply Xen Security patch set"
+		# apply main xen patches
+		# Two parallel systems, both work side by side
+		# Over time they may concdense into one. This will suffice for now
+		EPATCH_SUFFIX="patch"
+		EPATCH_FORCE="yes"
+
+		source "${WORKDIR}"/patches-security/${PV}.conf
+
+		for i in ${XEN_SECURITY_MAIN}; do
+			epatch "${WORKDIR}"/patches-security/xen/$i
+		done
+	fi
+
+	# Gentoo's patchset
+	if [[ -n ${GENTOO_VER} ]]; then
+		EPATCH_SUFFIX="patch" \
+		EPATCH_FORCE="yes" \
+			epatch "${WORKDIR}"/patches-gentoo
+	fi
+
+	epatch "${FILESDIR}"/${PN}-4.6-efi.patch
+
+	# Drop .config
+	sed -e '/-include $(XEN_ROOT)\/.config/d' -i Config.mk || die "Couldn't	drop"
+
+	if use efi; then
+		export EFI_VENDOR="gentoo"
+		export EFI_MOUNTPOINT="boot"
+	fi
+
+	# if the user *really* wants to use their own custom-cflags, let them
+	if use custom-cflags; then
+		einfo "User wants their own CFLAGS - removing defaults"
+		# try and remove all the default custom-cflags
+		find "${S}" -name Makefile -o -name Rules.mk -o -name Config.mk -exec sed \
+			-e 's/CFLAGS\(.*\)=\(.*\)-O3\(.*\)/CFLAGS\1=\2\3/' \
+			-e 's/CFLAGS\(.*\)=\(.*\)-march=i686\(.*\)/CFLAGS\1=\2\3/' \
+			-e 's/CFLAGS\(.*\)=\(.*\)-fomit-frame-pointer\(.*\)/CFLAGS\1=\2\3/' \
+			-e 's/CFLAGS\(.*\)=\(.*\)-g3*\s\(.*\)/CFLAGS\1=\2 \3/' \
+			-e 's/CFLAGS\(.*\)=\(.*\)-O2\(.*\)/CFLAGS\1=\2\3/' \
+			-i {} \; || die "failed to re-set custom-cflags"
+	fi
+
+	# remove -Werror for gcc-4.6's sake
+	find "${S}" -name 'Makefile*' -o -name '*.mk' -o -name 'common.make' | \
+		xargs sed -i 's/ *-Werror */ /'
+	# not strictly necessary to fix this
+	sed -i 's/, "-Werror"//' "${S}/tools/python/setup.py" || die "failed to re-set setup.py"
+
+	# Bug #575868 converted to a sed statement, typo of one char
+	sed -e "s:granter’s:granter's:" -i xen/include/public/grant_table.h || die
+
+	epatch_user
+}
+
+src_configure() {
+	use arm && myopt="${myopt} CONFIG_EARLY_PRINTK=sun7i"
+
+	use debug && myopt="${myopt} debug=y"
+
+	if use custom-cflags; then
+		filter-flags -fPIE -fstack-protector
+		replace-flags -O3 -O2
+	else
+		unset CFLAGS
+		unset LDFLAGS
+		unset ASFLAGS
+	fi
+}
+
+src_compile() {
+	# Send raw LDFLAGS so that --as-needed works
+	emake V=1 CC="$(tc-getCC)" LDFLAGS="$(raw-ldflags)" LD="$(tc-getLD)" -C xen ${myopt}
+}
+
+src_install() {
+	local myopt
+	use debug && myopt="${myopt} debug=y"
+
+	# The 'make install' doesn't 'mkdir -p' the subdirs
+	if use efi; then
+		mkdir -p "${D}"${EFI_MOUNTPOINT}/efi/${EFI_VENDOR} || die
+	fi
+
+	emake LDFLAGS="$(raw-ldflags)" DESTDIR="${D}" -C xen ${myopt} install
+
+	# make install likes to throw in some extra EFI bits if it built
+	use efi || rm -rf "${D}/usr/$(get_libdir)/efi"
+}
+
+pkg_postinst() {
+	elog "Official Xen Guide and the unoffical wiki page:"
+	elog " https://wiki.gentoo.org/wiki/Xen"
+	elog " http://en.gentoo-wiki.com/wiki/Xen/"
+
+	use efi && einfo "The efi executable is installed in boot/efi/gentoo"
+
+	elog "You can optionally block the installation of /boot/xen-syms by an entry"
+	elog "in folder /etc/portage/env using the portage's feature INSTALL_MASK"
+	elog "e.g. echo ${msg} > /etc/portage/env/xen.conf"
+}