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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -ex
TEST_RULE="/run/udev/rules.d/49-test.rules"
KILL_PID=
setup() {
mkdir -p "${TEST_RULE%/*}"
[[ -e /etc/udev/udev.conf ]] && cp -f /etc/udev/udev.conf /etc/udev/udev.conf.bak
# Don't bother storing the coredumps in journal for this particular test
mkdir -p /run/systemd/coredump.conf.d/
echo -ne "[Coredump]\nStorage=external\n" >/run/systemd/coredump.conf.d/99-storage-journal.conf
cat >"${TEST_RULE}" <<EOF
ACTION=="add", SUBSYSTEM=="mem", KERNEL=="null", OPTIONS="log_level=debug"
ACTION=="add", SUBSYSTEM=="mem", KERNEL=="null", PROGRAM=="/bin/sleep 60"
EOF
cat >/etc/udev/udev.conf <<EOF
event_timeout=10
timeout_signal=SIGABRT
EOF
systemctl restart systemd-udevd.service
}
# shellcheck disable=SC2317
teardown() {
set +e
if [[ -n "$KILL_PID" ]]; then
kill "$KILL_PID"
fi
rm -rf "$TMPDIR"
rm -f "$TEST_RULE"
[[ -e /etc/udev/udev.conf.bak ]] && mv -f /etc/udev/udev.conf.bak /etc/udev/udev.conf
rm /run/systemd/coredump.conf.d/99-storage-journal.conf
systemctl restart systemd-udevd.service
}
run_test() {
local since
since="$(date '+%F %T')"
TMPDIR=$(mktemp -d -p /tmp udev-tests.XXXXXX)
udevadm monitor --udev --property --subsystem-match=mem >"$TMPDIR"/monitor.txt &
KILL_PID="$!"
SYSTEMD_LOG_LEVEL=debug udevadm trigger --verbose --action add /dev/null
for _ in {1..40}; do
if coredumpctl --since "$since" --no-legend --no-pager | grep /bin/udevadm ; then
kill "$KILL_PID"
KILL_PID=
cat "$TMPDIR"/monitor.txt
grep -q 'UDEV_WORKER_FAILED=1' "$TMPDIR"/monitor.txt
grep -q 'UDEV_WORKER_SIGNAL=6' "$TMPDIR"/monitor.txt
grep -q 'UDEV_WORKER_SIGNAL_NAME=ABRT' "$TMPDIR"/monitor.txt
return 0
fi
sleep .5
done
return 1
}
trap teardown EXIT
setup
run_test
exit 0
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