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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -eux
TMPDIR=
TEST_RULE="/run/udev/rules.d/49-test.rules"
TEST_CONF="/run/udev/udev.conf.d/test-17.conf"
KILL_PID=
setup() {
mkdir -p "${TEST_RULE%/*}"
mkdir -p /run/udev/udev.conf.d
cat >"${TEST_RULE}" <<EOF
ACTION!="add", GOTO="test_end"
SUBSYSTEM!="mem", GOTO="test_end"
KERNEL!="null", GOTO="test_end"
OPTIONS="log_level=debug"
PROGRAM=="/bin/touch /tmp/test-udev-marker"
PROGRAM!="/bin/sleep 60", ENV{PROGRAM_RESULT}="KILLED"
LABEL="test_end"
EOF
cat >"$TEST_CONF" <<EOF
event_timeout=10
timeout_signal=SIGABRT
EOF
systemctl restart systemd-udevd.service
}
# shellcheck disable=SC2317
teardown() {
set +e
if [[ -n "$KILL_PID" ]]; then
kill "$KILL_PID"
fi
rm -rf "$TMPDIR"
rm -f "$TEST_RULE" "$TEST_CONF"
systemctl restart systemd-udevd.service
}
run_test_timeout() {
TMPDIR=$(mktemp -d -p /tmp udev-tests.XXXXXX)
udevadm monitor --udev --property --subsystem-match=mem >"$TMPDIR"/monitor.txt &
KILL_PID="$!"
SYSTEMD_LOG_LEVEL=debug udevadm trigger --verbose --action add /dev/null
for _ in {1..40}; do
if grep -q 'PROGRAM_RESULT=KILLED' "$TMPDIR"/monitor.txt; then
sleep .5
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' "$TMPDIR"/monitor.txt)
grep -q 'PROGRAM_RESULT=KILLED' "$TMPDIR"/monitor.txt
rm -rf "$TMPDIR"
return 0
fi
sleep .5
done
return 1
}
run_test_killed() {
local killed=
TMPDIR=$(mktemp -d -p /tmp udev-tests.XXXXXX)
udevadm monitor --udev --property --subsystem-match=mem >"$TMPDIR"/monitor.txt &
KILL_PID="$!"
rm -f /tmp/test-udev-marker
SYSTEMD_LOG_LEVEL=debug udevadm trigger --verbose --action add /dev/null
for _ in {1..40}; do
if [[ -z "$killed" ]]; then
if [[ -e /tmp/test-udev-marker ]]; then
killall --signal ABRT --regexp udev-worker
killed=1
fi
elif grep -q 'UDEV_WORKER_FAILED=1' "$TMPDIR"/monitor.txt; then
sleep .5
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' "$TMPDIR"/monitor.txt
(! grep -q 'PROGRAM_RESULT=KILLED' "$TMPDIR"/monitor.txt)
rm -rf "$TMPDIR"
return 0
fi
sleep .5
done
return 1
}
trap teardown EXIT
setup
run_test_timeout
run_test_killed
exit 0
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