4 files changed, 171 insertions, 0 deletions
diff --git a/debian/tests/control b/debian/tests/control
new file mode 100644
index 000000000..25c61c0ec
--- /dev/null
+++ b/debian/tests/control
@@ -0,0 +1,14 @@
+Tests: python
+Restrictions: superficial
+Depends: python3
+
+Tests: selftests
+Restrictions: breaks-testbed, needs-root, isolation-machine
+Depends: kexec-tools, python3, gcc, make, libpopt-dev, gcc-multilib [amd64], bc, fuse, libfuse-dev, pkg-config, linux-image-6.1.0-18-alpha-generic [alpha], linux-image-6.1.0-18-alpha-smp [alpha], linux-image-6.1.0-18-amd64-unsigned [amd64], linux-image-6.1.0-18-cloud-amd64-unsigned [amd64], linux-image-6.1.0-18-rt-amd64-unsigned [amd64], linux-image-6.1.0-18-arm64-unsigned [arm64], linux-image-6.1.0-18-cloud-arm64-unsigned [arm64], linux-image-6.1.0-18-rt-arm64-unsigned [arm64], linux-image-6.1.0-18-marvell [armel], linux-image-6.1.0-18-rpi [armel], linux-image-6.1.0-18-armmp [armhf], linux-image-6.1.0-18-armmp-lpae [armhf], linux-image-6.1.0-18-rt-armmp [armhf], linux-image-6.1.0-18-parisc [hppa], linux-image-6.1.0-18-parisc64 [hppa], linux-image-6.1.0-18-686-unsigned [i386], linux-image-6.1.0-18-686-pae-unsigned [i386], linux-image-6.1.0-18-rt-686-pae-unsigned [i386], linux-image-6.1.0-18-itanium [ia64], linux-image-6.1.0-18-mckinley [ia64], linux-image-6.1.0-18-m68k [m68k], linux-image-6.1.0-18-4kc-malta [mips mipsel], linux-image-6.1.0-18-mips32r2eb [mips], linux-image-6.1.0-18-octeon [mips mips64 mips64el mipsel], linux-image-6.1.0-18-5kc-malta [mips64 mips64el], linux-image-6.1.0-18-mips64r2eb [mips64], linux-image-6.1.0-18-mips64r2el [mips64el], linux-image-6.1.0-18-loongson-3 [mips64el mipsel], linux-image-6.1.0-18-mips64r6eb [mips64r6], linux-image-6.1.0-18-mips64r6el [mips64r6el], linux-image-6.1.0-18-mips32r2el [mipsel], linux-image-6.1.0-18-mips32r6eb [mipsr6], linux-image-6.1.0-18-mips32r6el [mipsr6el], linux-image-6.1.0-18-powerpc [powerpc], linux-image-6.1.0-18-powerpc-smp [powerpc], linux-image-6.1.0-18-powerpc64 [powerpc ppc64], linux-image-6.1.0-18-powerpc64le [ppc64el], linux-image-6.1.0-18-riscv64 [riscv64], linux-image-6.1.0-18-s390x [s390x], linux-image-6.1.0-18-sh7751r [sh4], linux-image-6.1.0-18-sh7785lcr [sh4], linux-image-6.1.0-18-sparc64 [sparc64], linux-image-6.1.0-18-sparc64-smp [sparc64]
+Classes: smp
+
+Tests: kbuild
+Architecture: alpha amd64 arm64 armhf hppa i386 ia64 m68k ppc64 ppc64el riscv64 s390x sparc64
+Restrictions: superficial
+Depends: python3, linux-headers-6.1.0-18-alpha-smp [alpha], linux-headers-6.1.0-18-cloud-amd64 [amd64], linux-headers-6.1.0-18-cloud-arm64 [arm64], linux-headers-6.1.0-18-armmp [armhf], linux-headers-6.1.0-18-parisc [hppa], linux-headers-6.1.0-18-686-pae [i386], linux-headers-6.1.0-18-itanium [ia64], linux-headers-6.1.0-18-m68k [m68k], linux-headers-6.1.0-18-powerpc64 [ppc64], linux-headers-6.1.0-18-powerpc64le [ppc64el], linux-headers-6.1.0-18-riscv64 [riscv64], linux-headers-6.1.0-18-s390x [s390x], linux-headers-6.1.0-18-sparc64-smp [sparc64]
+
diff --git a/debian/tests/kbuild b/debian/tests/kbuild
new file mode 100644
index 000000000..18cbe214e
--- /dev/null
+++ b/debian/tests/kbuild
@@ -0,0 +1,58 @@
+#!/bin/sh -eu
+
+mkdir "$AUTOPKGTEST_TMP"/foo
+cat >"$AUTOPKGTEST_TMP"/foo/foo.c <<EOF
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+static int __init foo_init(void)
+{
+	pr_info("foo initialised\n");
+	return 0;
+}
+module_init(foo_init);
+
+static void __exit foo_exit(void)
+{
+}
+module_exit(foo_exit);
+
+MODULE_LICENSE("GPL");
+EOF
+cat >"$AUTOPKGTEST_TMP"/foo/Kbuild <<EOF
+obj-m += foo.o
+EOF
+
+arch="$(dpkg --print-architecture)"
+abiname="$(debian/bin/getconfig.py version abiname)"
+if flavour="$(debian/bin/getconfig.py base $arch none quick-flavour)"; then
+    echo "I: Found quick flavour $flavour"
+elif flavour="$(debian/bin/getconfig.py base $arch none default-flavour)"; then
+    echo "I: Found default flavour $flavour"
+elif flavour="$(debian/bin/getconfig.py base $arch default-flavour)"; then
+    echo "I: Found default flavour $flavour"
+else
+    echo >&2 "E: Failed to find quick or default flavour"
+    exit 1
+fi
+release="$abiname-$flavour"
+
+echo "I: Build for $release"
+# There are some warnings sent to stderr that we need to suppress,
+# but any other output to stderr should be treated as a failure.
+# We also want all stdout/stderr to appear in order in the log.
+# First, duplicate stdout to fd 3
+exec 3>&1
+# Next, run the build with stdout sent to the original stdout and
+# stderr sent through tee to both the original stdout and a file
+make -C /lib/modules/"$release"/build M="$AUTOPKGTEST_TMP"/foo V=1 \
+     2>&1 1>&3 | tee "$AUTOPKGTEST_TMP"/foo/make.stderr
+# Close fd 3
+exec 3>&-
+# Check for any stderr output that doesn't match the suppressions
+if grep -q -v -E 'Skipping BTF generation .* due to unavailability of vmlinux' "$AUTOPKGTEST_TMP"/foo/make.stderr; then
+    echo >&2 "E: Unexpected warning/error messages"
+fi
+
+echo "I: Clean"
+make -C /lib/modules/"$release"/build M="$AUTOPKGTEST_TMP"/foo V=1 clean
diff --git a/debian/tests/python b/debian/tests/python
new file mode 100755
index 000000000..afd36de97
--- /dev/null
+++ b/debian/tests/python
@@ -0,0 +1,11 @@
+#!/bin/bash -eu
+
+# autopkgtest checks for a non-zero exit code *or* any output to
+# stderr.  So we should continue after a failure, but make sure
+# something is written to stderr.
+
+echo "I: Running debian_linux.debian unit tests..."
+# unittest only writes to stderr
+if ! PYTHONPATH=debian/lib/python python3 -m debian_linux.debian 2>&1; then
+    echo >&2 "E: some unit tests failed"
+fi
diff --git a/debian/tests/selftests b/debian/tests/selftests
new file mode 100644
index 000000000..02cc29372
--- /dev/null
+++ b/debian/tests/selftests
@@ -0,0 +1,88 @@
+#!/bin/bash -eu
+
+PATH=/usr/sbin:/sbin:/usr/bin:/bin
+
+getconfig() {
+    debian/bin/getconfig.py "$@"
+}
+
+# Look up current ABI name and 'localversion' (featureset/flavour) suffixes
+abiname=$(getconfig version abiname)
+arch=$(dpkg --print-architecture)
+localversion=()
+for featureset in $(getconfig base $arch featuresets); do
+    if [ "$(getconfig base '' $featureset enabled || echo True)" = True ]; then
+	for flavour in $(getconfig base $arch $featureset flavours); do
+	    if [ "$featureset" = none ]; then
+		localversion+=(-$flavour)
+	    else
+		localversion+=(-$featureset-$flavour)
+	    fi
+	done
+    fi
+done
+steps=${#localversion[*]}
+
+case "${ADT_REBOOT_MARK:-}" in
+    "")
+	step=-1
+	;;
+    step*)
+	step=${ADT_REBOOT_MARK#step}
+	;;
+esac
+
+if [ "$step" -ge 0 ]; then
+    ver=$abiname${localversion[$step]}
+
+    if [ "$(uname -r)" != "$ver" ]; then
+	echo >&2 "Should be running: $ver"
+	echo >&2 "Actually running: $(uname -r)"
+    else
+	cp -lR . $AUTOPKGTEST_TMP/build
+	cd $AUTOPKGTEST_TMP/build
+	make headers_install
+
+	# Ignore compiler warnings
+	{
+	    make -C tools/testing/selftests &&
+	    make -C tools/testing/selftests/memfd build_fuse
+	} 2>&1 || echo >&2 "Build failed"
+
+	# Enable testing CLONE_USERNS by unprivileged users
+	sysctl kernel.unprivileged_userns_clone=1
+
+	# Some tests will write to stderr despite being successful,
+	# and the exit code from make will be 0 even if tests failed.
+	# So we have to do some post-analysis...
+	set -o pipefail
+	{
+	    make -C tools/testing/selftests quicktest=1 run_tests &&
+	    make -C tools/testing/selftests/cpu-hotplug run_full_test &&
+	    make -C tools/testing/selftests/memory-hotplug run_full_test &&
+	    make -C tools/testing/selftests/memfd run_fuse &&
+	    make -C tools/testing/selftests/timers run_destructive_tests
+	} 2>&1 | tee $AUTOPKGTEST_TMP/log
+	set +o pipefail
+	if grep -E '\[(FAIL|UNSUPPORTED)\]|recipe for target .run_tests. failed' $AUTOPKGTEST_TMP/log | \
+	    grep -q -v \
+		 -e '^selftests: fw_userhelper.sh \[FAIL\]' \
+		 -e 'ftrace - function profiler with function tracing   \[UNSUPPORTED\]' \
+		 -e '^selftests: ftracetest \[FAIL\]' \
+		 -e '|| echo .*\[FAIL\]' \
+		 ; then
+	    echo >&2 "Unexpected failures found"
+	fi
+    fi
+fi
+
+step=$((step + 1))
+
+if [ "$step" -lt "$steps" ]; then
+    # Load the next kernel
+    ver=$abiname${localversion[$step]}
+    kexec -l /boot/vmlinuz-$ver --initrd /boot/initrd.img-$ver --reuse-cmdline
+    /tmp/autopkgtest-reboot step$step
+fi
+
+exit 0