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systemd/test/units/TEST-17-UDEV.device_is_processing.sh
Yu Watanabe 675feaf521 TEST-17: add reproducer for issue #35329
Without the previous commit, the test case will fail.
2024-11-25 15:33:48 +09:00

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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
# shellcheck disable=SC2317
set -ex
set -o pipefail
# This is a reproducer of issue #35329,
# which is a regression caused by 405be62f05d76f1845f347737b5972158c79dd3e.
IFNAME=udevtestnetif
at_exit() {
set +e
systemctl stop testsleep.service
rm -f /run/udev/udev.conf.d/timeout.conf
rm -f /run/udev/rules.d/99-testsuite.rules
# Forcibly kills sleep command invoked by the udev rule before restarting,
# otherwise systemctl restart below will takes longer.
killall -KILL sleep
systemctl restart systemd-udevd.service
ip link del "$IFNAME"
}
trap at_exit EXIT
udevadm settle
mkdir -p /run/udev/udev.conf.d/
cat >/run/udev/udev.conf.d/timeout.conf <<EOF
event_timeout=1h
EOF
mkdir -p /run/udev/rules.d/
cat >/run/udev/rules.d/99-testsuite.rules <<EOF
SUBSYSTEM=="net", ACTION=="change", KERNEL=="${IFNAME}", OPTIONS="log_level=debug", RUN+="/usr/bin/sleep 1000"
EOF
systemctl restart systemd-udevd.service
ip link add "$IFNAME" type dummy
IFINDEX=$(ip -json link show "$IFNAME" | jq '.[].ifindex')
udevadm wait --timeout 10 "/sys/class/net/${IFNAME}"
# Check if the database file is created.
[[ -e "/run/udev/data/n${IFINDEX}" ]]
systemd-run \
-p After="sys-subsystem-net-devices-${IFNAME}.device" \
-p BindsTo="sys-subsystem-net-devices-${IFNAME}.device" \
-u testsleep.service \
sleep 1h
timeout 10 bash -c 'until systemctl is-active testsleep.service; do sleep .5; done'
udevadm trigger "/sys/class/net/${IFNAME}"
timeout 30 bash -c "until grep -F 'ID_PROCESSING=1' /run/udev/data/n${IFINDEX}; do sleep .5; done"
for _ in {1..3}; do
systemctl daemon-reexec
systemctl is-active testsleep.service
done
for _ in {1..3}; do
systemctl daemon-reload
systemctl is-active testsleep.service
done
# Check if the reexec and reload have finished during processing the event.
grep -F 'ID_PROCESSING=1' "/run/udev/data/n${IFINDEX}"
exit 0