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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2022-10-17 14:48:27 +0200 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2022-10-17 14:52:35 +0200 |
| commit | 69363f13b5b181ea5a971d519032e7a27f23c100 (patch) | |
| tree | ba55f3342933b2c072c2a963fbcf5e30d9dae010 /test | |
| parent | sd-device-monitor: dynamically allocate receive buffer (diff) | |
| download | systemd-69363f13b5b181ea5a971d519032e7a27f23c100.tar.xz systemd-69363f13b5b181ea5a971d519032e7a27f23c100.zip | |
test: add test for large uevent message
Diffstat (limited to 'test')
| -rwxr-xr-x | test/units/testsuite-17.09.sh | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/test/units/testsuite-17.09.sh b/test/units/testsuite-17.09.sh new file mode 100755 index 0000000000..01ac5f1709 --- /dev/null +++ b/test/units/testsuite-17.09.sh @@ -0,0 +1,70 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: LGPL-2.1-or-later +set -ex +set -o pipefail + +# shellcheck source=test/units/assert.sh +. "$(dirname "$0")"/assert.sh + +# This is a test for issue #24987. + +mkdir -p /run/udev/rules.d/ +cat >/run/udev/rules.d/50-testsuite.rules <<EOF +SUBSYSTEM!="mem", GOTO="test-end" +KERNEL!="null", GOTO="test-end" +ACTION=="remove", GOTO="test-end" + +# add 100 * 100byte of properties +$(for ((i = 0; i < 100; i++)); do printf 'ENV{XXX%03i}="0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"\n' "$i"; done) + +LABEL="test-end" +EOF + +udevadm control --reload + +TMPDIR=$(mktemp -d -p /tmp udev-tests.XXXXXX) +SYSTEMD_LOG_LEVEL=debug udevadm monitor --udev --property --subsystem-match=mem >"$TMPDIR"/monitor.txt 2>&1 & +KILL_PID="$!" + +FOUND= +for _ in {1..40}; do + if grep -F 'UDEV - the event which udev sends out after rule processing' "$TMPDIR"/monitor.txt; then + FOUND=1 + break + fi + sleep .5 +done +[[ -n "$FOUND" ]] + +udevadm trigger --verbose --settle --action add /dev/null + +FOUND= +for _ in {1..40}; do + if ! grep -e 'UDEV *\[[0-9.]*\] *add *\/devices\/virtual\/mem\/null (mem)' "$TMPDIR"/monitor.txt; then + sleep .5 + continue + fi + + FOUND=1 + for ((i = 0; i < 100; i++)); do + if ! grep -F "$(printf 'XXX%03i=0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' "$i")" "$TMPDIR"/monitor.txt; then + FOUND= + break + fi + done + if [[ -n "$FOUND" ]]; then + break; + fi + + sleep .5 +done +[[ -n "$FOUND" ]] + +# cleanup +rm -f /run/udev/rules.d/50-testsuite.rules +udevadm control --reload + +kill "$KILL_PID" +rm -rf "$TMPDIR" + +exit 0 |