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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
killall --regexp '(|/usr/bin/)sleep'
udevadm control --reload
ip link del "$IFNAME"
}
trap at_exit EXIT
udevadm settle --timeout=30
mkdir -p /run/udev/udev.conf.d/
cat >/run/udev/udev.conf.d/timeout.conf <<EOF
event_timeout=1h
EOF
# First, test 'add' event.
mkdir -p /run/udev/rules.d/
cat >/run/udev/rules.d/99-testsuite.rules <<EOF
SUBSYSTEM=="net", ACTION=="add", KERNEL=="${IFNAME}", OPTIONS="log_level=debug", RUN+="/usr/bin/sleep 1000"
EOF
udevadm control --reload
ip link add "$IFNAME" type dummy
IFINDEX=$(ip -json link show "$IFNAME" | jq '.[].ifindex')
timeout 30 bash -c "until [[ -e /run/udev/data/n${IFINDEX} ]] && grep -q -F 'ID_PROCESSING=1' /run/udev/data/n${IFINDEX}; do sleep .5; done"
(! systemctl is-active "sys-devices-virtual-net-${IFNAME}.device")
(! systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device")
for _ in {1..3}; do
systemctl daemon-reexec
(! systemctl is-active "sys-devices-virtual-net-${IFNAME}.device")
(! systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device")
done
for _ in {1..3}; do
systemctl daemon-reload
(! systemctl is-active "sys-devices-virtual-net-${IFNAME}.device")
(! systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device")
done
# Check if the reexec and reload have finished during processing the event.
grep -q -F 'ID_PROCESSING=1' "/run/udev/data/n${IFINDEX}"
# Forcibly kill sleep command invoked by the udev rule to finish processing the add event.
killall --regexp '(|/usr/bin/)sleep'
udevadm settle --timeout=30
# Check if ID_PROCESSING flag is unset, and the device units are active.
(! grep -q -F 'ID_PROCESSING=1' "/run/udev/data/n${IFINDEX}")
systemctl is-active "sys-devices-virtual-net-${IFNAME}.device"
systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device"
# Next, test 'change' event.
cat >/run/udev/rules.d/99-testsuite.rules <<EOF
SUBSYSTEM=="net", ACTION=="change", KERNEL=="${IFNAME}", OPTIONS="log_level=debug", RUN+="/usr/bin/sleep 1000"
EOF
udevadm control --reload
systemd-run \
-p After="sys-subsystem-net-devices-${IFNAME}.device" \
-p BindsTo="sys-subsystem-net-devices-${IFNAME}.device" \
-u testsleep.service \
sleep 1h
udevadm trigger "/sys/class/net/${IFNAME}"
timeout 30 bash -c "until grep -q -F 'ID_PROCESSING=1' /run/udev/data/n${IFINDEX}; do sleep .5; done"
# Check if the service and device units are still active even ID_PROCESSING flag is set.
systemctl is-active testsleep.service
systemctl is-active "sys-devices-virtual-net-${IFNAME}.device"
systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device"
for _ in {1..3}; do
systemctl daemon-reexec
systemctl is-active testsleep.service
systemctl is-active "sys-devices-virtual-net-${IFNAME}.device"
systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device"
done
for _ in {1..3}; do
systemctl daemon-reload
systemctl is-active testsleep.service
systemctl is-active "sys-devices-virtual-net-${IFNAME}.device"
systemctl is-active "sys-subsystem-net-devices-${IFNAME}.device"
done
# Check if the reexec and reload have finished during processing the event.
grep -q -F 'ID_PROCESSING=1' "/run/udev/data/n${IFINDEX}"
exit 0
|
