commit:     ee98a9e773c46b04534c0ceabce56cfd11866b53
Author:     Tomáš Mózes <hydrapolic <AT> gmail <DOT> com>
AuthorDate: Wed Jun  9 07:18:09 2021 +0000
Commit:     Thomas Deutschmann <whissi <AT> gentoo <DOT> org>
CommitDate: Fri Jun 11 12:49:01 2021 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=ee98a9e7

app-emulation/xen: add upstream security patches

Fixes XSA-372, XSA-373, XSA-374, XSA-375, XSA-377

Bug: https://bugs.gentoo.org/795054
Signed-off-by: Tomáš Mózes <hydrapolic <AT> gmail.com>
Signed-off-by: Thomas Deutschmann <whissi <AT> gentoo.org>

 app-emulation/xen/Manifest             |   1 +
 app-emulation/xen/xen-4.15.0-r1.ebuild | 169 +++++++++++++++++++++++++++++++++
 2 files changed, 170 insertions(+)

diff --git a/app-emulation/xen/Manifest b/app-emulation/xen/Manifest
index c0dcccef50c..9576a401e2b 100644
--- a/app-emulation/xen/Manifest
+++ b/app-emulation/xen/Manifest
@@ -2,4 +2,5 @@ DIST xen-4.13.3.tar.gz 39044539 BLAKE2B 
5d0e57c76e12e1b86b78bbf561e947d70b9569a2
 DIST xen-4.14.2-upstream-patches-0.tar.xz 23304 BLAKE2B 
954e0a49e5c3ec122aefe52afe328f440b8a4c8db966e0fa91e0b6d6cb3c0462b75fb99b3e7392811bd2e680cd7945e8a4d68317245fd42fdf0ad6cab33fbc68
 SHA512 
64d243f0c8acfec87812e4d78e3d8b24a86315824853f4f3b17122b7119425d180650695bc12e1a30f5b30c6ef684be7c08b2bc677ca2f0668d0335d92e2bf78
 DIST xen-4.14.2.tar.gz 39973157 BLAKE2B 
db5d3570f79e0fd97872f5e5dd57a4eb39e005728387bfef3b51fabe1c693cfd8108d09b1026f5a5a7eb79de71be6f4af36d252f7e0b35a65a1567b7949e3e29
 SHA512 
83c9333b70dbee3e29c6bf08e5ad030676e6c4a32b976f3f5e6a8f8d0dd9e4898bac88dd8e1c9d2ad3509cebb5d212e1745f9392a469d7afeb841d79801ccf39
 DIST xen-4.15.0-upstream-patches-0.tar.xz 15744 BLAKE2B 
e2abb68524a7c190db8d91beb79731aea5290e82f54fb21218739dab666f6f5ea85c203575ec248b46830f1862408d50d3ceea1104fcd9325babfccf3574c515
 SHA512 
f1a2800d15a61f08eda4d6bafaead95a9d72cc9e4d90a19278d89c696b7e2d5d6353b28dba7ed0eb0c9aeb8604d3697db6a8f4ac38047e2510279d88181752f9
+DIST xen-4.15.0-upstream-patches-1.tar.xz 35180 BLAKE2B 
eb3b2a44b717a04daa4a2f158040cce78b42cba5a72c437d7b2f8f1237b808f6f13c2140d82e95056818db6c0eb706ebd7dead822a6a4e689e5d5e7c83523fdb
 SHA512 
a7cfe2dbc82b15c48fa781a77b3ca1622fc2feac3874bf17cf56e82be46e9817913f94992e0e1a1cd2be2e719d4abb9a15744c8a1017e30c0d5c01d7db64dbb5
 DIST xen-4.15.0.tar.gz 40785399 BLAKE2B 
8b0530f5516c39656506f4bb705952da0555a8ab7f47323473b171caeb7692f3107e9d94f13171d40576600064589eed35f4d210af02db4cc4706dd4fc202100
 SHA512 
93683b8a97387ca5f003c635a11d163e61c87dbdc9a03081f9155fe87b49f1dfa74ce243fcd5e04dc009353a36e2375b786f1ebde828b5951a094cd64197b4c7

diff --git a/app-emulation/xen/xen-4.15.0-r1.ebuild 
b/app-emulation/xen/xen-4.15.0-r1.ebuild
new file mode 100644
index 00000000000..7b6e9f60c2a
--- /dev/null
+++ b/app-emulation/xen/xen-4.15.0-r1.ebuild
@@ -0,0 +1,169 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{7..9} )
+
+inherit flag-o-matic mount-boot multilib python-any-r1 toolchain-funcs
+
+MY_PV=${PV/_/-}
+MY_P=${PN}-${MY_PV}
+
+if [[ ${PV} == *9999 ]]; then
+       inherit git-r3
+       EGIT_REPO_URI="git://xenbits.xen.org/xen.git"
+       SRC_URI=""
+else
+       KEYWORDS="~amd64 ~arm -x86"
+       UPSTREAM_VER=1
+       SECURITY_VER=
+       GENTOO_VER=
+
+       [[ -n ${UPSTREAM_VER} ]] && \
+               
UPSTREAM_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${P}-upstream-patches-${UPSTREAM_VER}.tar.xz
+               
https://github.com/hydrapolic/gentoo-dist/raw/master/xen/${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-${GENTOO_VER}.tar.xz";
+       
SRC_URI="https://downloads.xenproject.org/release/xen/${MY_PV}/${MY_P}.tar.gz
+               ${UPSTREAM_PATCHSET_URI}
+               ${SECURITY_PATCHSET_URI}
+               ${GENTOO_PATCHSET_URI}"
+fi
+
+DESCRIPTION="The Xen virtual machine monitor"
+HOMEPAGE="https://www.xenproject.org";
+LICENSE="GPL-2"
+SLOT="0"
+IUSE="debug efi flask"
+
+DEPEND="${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
+       [[ -n ${UPSTREAM_VER} ]] && eapply "${WORKDIR}"/patches-upstream
+
+       # Security patchset
+       if [[ -n ${SECURITY_VER} ]]; then
+       einfo "Try to apply Xen Security patch set"
+               # apply main xen patches
+               # Two parallel systems, both work side by side
+               # Over time they may concdense into one. This will suffice for 
now
+               source "${WORKDIR}"/patches-security/${PV}.conf
+
+               local i
+               for i in ${XEN_SECURITY_MAIN}; do
+                       eapply "${WORKDIR}"/patches-security/xen/$i
+               done
+       fi
+
+       # Gentoo's patchset
+       [[ -n ${GENTOO_VER} ]] && eapply "${WORKDIR}"/patches-gentoo
+
+       # Symlinks do not work on fat32 volumes
+       eapply "${FILESDIR}"/${PN}-4.15-efi.patch
+
+       # Workaround new gcc-11 options
+       sed -e '/^CFLAGS/s/-Werror//g' -i xen/Makefile || die
+
+       # Drop .config
+       sed -e '/-include $(XEN_ROOT)\/.config/d' -i Config.mk || die "Couldn't 
drop"
+
+       if use efi; then
+               export EFI_VENDOR="gentoo"
+               export EFI_MOUNTPOINT="/boot"
+       fi
+
+       default
+}
+
+src_configure() {
+       use arm && myopt="${myopt} CONFIG_EARLY_PRINTK=sun7i"
+
+       use debug && myopt="${myopt} debug=y"
+
+       # remove flags
+       unset CFLAGS
+       unset LDFLAGS
+       unset ASFLAGS
+
+       tc-ld-disable-gold # Bug 700374
+}
+
+src_compile() {
+       # Send raw LDFLAGS so that --as-needed works
+       emake V=1 CC="$(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)" LD="$(tc-getLD)" DESTDIR="${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:"
+       elog " https://wiki.gentoo.org/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"
+
+       ewarn
+       ewarn "Xen 4.12+ changed the default scheduler to credit2 which can 
cause"
+       ewarn "domU lockups on multi-cpu systems. The legacy credit scheduler 
seems"
+       ewarn "to work fine."
+       ewarn
+       ewarn "Add sched=credit to xen command line options to use the legacy 
scheduler."
+       ewarn
+       ewarn 
"https://wiki.gentoo.org/wiki/Xen#Xen_domU_hanging_with_Xen_4.12.2B";
+}

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