# Set to 1 if building an empty subscription-only package.

%define empty_package		0

#######################################################

# Only need to update these variables and the changelog

%define kernel_ver	5.14.0-70.26.1.el9_0

%define kpatch_ver	0.9.6

%define rpm_ver		1

%define rpm_rel		2

%if !%{empty_package}

# Patch sources below. DO NOT REMOVE THIS LINE.

#

# https://bugzilla.redhat.com/2118959

Source100: CVE-2022-2585.patch

# End of patch sources. DO NOT REMOVE THIS LINE.

%endif

%define sanitized_rpm_rel	%{lua: print((string.gsub(rpm.expand("%rpm_rel"), "%.", "_")))}

%define sanitized_kernel_ver   %{lua: print((string.gsub(string.gsub(rpm.expand("%kernel_ver"), '.el9_?\%d?', ""), "%.", "_")))}

%define kernel_ver_arch        %{kernel_ver}.%{_arch}

Name:		kpatch-patch-%{sanitized_kernel_ver}

Version:	%{rpm_ver}

Release:	%{rpm_rel}%{?dist}

%if %{empty_package}

Summary:	Initial empty kpatch-patch for kernel-%{kernel_ver_arch}

%else

Summary:	Live kernel patching module for kernel-%{kernel_ver_arch}

%endif

Group:		System Environment/Kernel

License:	GPLv2

ExclusiveArch:	x86_64 ppc64le

Conflicts:	%{name} < %{version}-%{release}

Provides:	kpatch-patch = %{kernel_ver_arch}

Provides:	kpatch-patch = %{kernel_ver}

%if !%{empty_package}

Requires:	systemd

%endif

Requires:	kpatch >= 0.6.1-1

Requires:	kernel-uname-r = %{kernel_ver_arch}

%if !%{empty_package}

BuildRequires:	patchutils

BuildRequires:	kernel-devel = %{kernel_ver}

BuildRequires:	kernel-debuginfo = %{kernel_ver}

# kernel build requirements, generated from:

#   % rpmspec -q --buildrequires kernel.spec | sort | awk '{print "BuildRequires:\t" $0}'

# with arch-specific packages moved into conditional block

BuildRequires:	bash

BuildRequires:	bc

BuildRequires:	binutils

BuildRequires:	bison

BuildRequires:	bpftool

BuildRequires:	bzip2

BuildRequires:	coreutils

BuildRequires:	diffutils

BuildRequires:	dwarves

BuildRequires:	elfutils

BuildRequires:	elfutils-devel

BuildRequires:	findutils

BuildRequires:	flex

BuildRequires:	gawk

BuildRequires:	gcc

BuildRequires:	gcc-c++

BuildRequires:	gcc-plugin-devel

BuildRequires:	git-core

BuildRequires:	glibc-static

BuildRequires:	gzip

BuildRequires:	hmaccalc

BuildRequires:	hostname

BuildRequires:	kernel-rpm-macros >= 185-9

BuildRequires:	kmod

BuildRequires:	m4

BuildRequires:	make

BuildRequires:	net-tools

BuildRequires:	nss-tools

BuildRequires:	openssl

BuildRequires:	openssl-devel

BuildRequires:	patch

BuildRequires:	perl-Carp

BuildRequires:	perl-devel

BuildRequires:	perl-generators

BuildRequires:	perl-interpreter

BuildRequires:	python3-devel

BuildRequires:	redhat-rpm-config

BuildRequires:	rpm-build

BuildRequires:	system-sb-certs

BuildRequires:	tar

BuildRequires:	which

BuildRequires:	xz

%ifarch x86_64

BuildRequires:	pesign >= 0.10-4

%endif

Source0:	https://github.com/dynup/kpatch/archive/v%{kpatch_ver}.tar.gz

Source10:	kernel-%{kernel_ver}.src.rpm

# kpatch-build patches

%global _dupsign_opts --keyname=rhelkpatch1

%define builddir	%{_builddir}/kpatch-%{kpatch_ver}

%define kpatch		%{_sbindir}/kpatch

%define kmoddir 	%{_usr}/lib/kpatch/%{kernel_ver_arch}

%define kinstdir	%{_sharedstatedir}/kpatch/%{kernel_ver_arch}

%define patchmodname	kpatch-%{sanitized_kernel_ver}-%{version}-%{sanitized_rpm_rel}

%define patchmod	%{patchmodname}.ko

%define _missing_build_ids_terminate_build 1

%define _find_debuginfo_opts -r

%undefine _include_minidebuginfo

%undefine _find_debuginfo_dwz_opts

%description

This is a kernel live patch module which can be loaded by the kpatch

command line utility to modify the code of a running kernel.  This patch

module is targeted for kernel-%{kernel_ver}.

%prep

%autosetup -n kpatch-%{kpatch_ver} -p1

%build

kdevdir=/usr/src/kernels/%{kernel_ver_arch}

vmlinux=/usr/lib/debug/lib/modules/%{kernel_ver_arch}/vmlinux

# kpatch-build

make -C kpatch-build

# patch module

for i in %{sources}; do

	[[ $i == *.patch ]] && patch_sources="$patch_sources $i"

done

export CACHEDIR="%{builddir}/.kpatch"

kpatch-build/kpatch-build -n %{patchmodname} -r %{SOURCE10} -v $vmlinux --skip-cleanup $patch_sources || { cat "${CACHEDIR}/build.log"; exit 1; }

%install

installdir=%{buildroot}/%{kmoddir}

install -d $installdir

install -m 755 %{builddir}/%{patchmod} $installdir

%files

%{_usr}/lib/kpatch

%post

%{kpatch} install -k %{kernel_ver_arch} %{kmoddir}/%{patchmod}

chcon -t modules_object_t %{kinstdir}/%{patchmod}

sync

if [[ %{kernel_ver_arch} = $(uname -r) && "${LEAPP_IPU_IN_PROGRESS}" != "8to9" ]]; then

	cver="%{rpm_ver}_%{rpm_rel}"

	pname=$(echo "kpatch_%{sanitized_kernel_ver}" | sed 's/-/_/')

	lver=$({ %{kpatch} list | sed -nr "s/^${pname}_([0-9_]+)\ \[enabled\]$/\1/p"; echo "${cver}"; } | sort -V | tail -1)

	if [ "${lver}" != "${cver}" ]; then

		echo "WARNING: at least one loaded kpatch-patch (${pname}_${lver}) has a newer version than the one being installed."

		echo "WARNING: You will have to reboot to load a downgraded kpatch-patch"

	else

		%{kpatch} load %{patchmod}

	fi

fi

exit 0

%postun

%{kpatch} uninstall -k %{kernel_ver_arch} %{patchmod}

sync

exit 0

%else

%description

This is an empty kpatch-patch package which does not contain any real patches.

It is only a method to subscribe to the kpatch stream for kernel-%{kernel_ver}.

%files

%doc

%endif

%changelog

* Mon Oct 17 2022 Yannick Cote <ycote@redhat.com> [1-2.el9_0]

- kernel: posix cpu timer use-after-free may lead to local privilege escalation [2118959] {CVE-2022-2585}

* Tue Sep 06 2022 Yannick Cote <ycote@redhat.com> [0-0.el9]

- An empty patch to subscribe to kpatch stream for kernel-5.14.0-70.26.1.el9_0 [2124577]