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71 lines
1.7 KiB
Bash
Executable File
71 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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set -ex
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set -o pipefail
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# shellcheck source=test/units/assert.sh
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. "$(dirname "$0")"/assert.sh
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# This is a test for issue #24987.
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mkdir -p /run/udev/rules.d/
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cat >/run/udev/rules.d/50-testsuite.rules <<EOF
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SUBSYSTEM!="mem", GOTO="test-end"
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KERNEL!="null", GOTO="test-end"
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ACTION=="remove", GOTO="test-end"
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# add 100 * 100byte of properties
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$(for ((i = 0; i < 100; i++)); do printf 'ENV{XXX%03i}="0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"\n' "$i"; done)
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LABEL="test-end"
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EOF
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udevadm control --reload
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TMPDIR=$(mktemp -d -p /tmp udev-tests.XXXXXX)
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SYSTEMD_LOG_LEVEL=debug udevadm monitor --udev --property --subsystem-match=mem >"$TMPDIR"/monitor.txt 2>&1 &
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KILL_PID="$!"
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FOUND=
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for _ in {1..40}; do
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if grep -F 'UDEV - the event which udev sends out after rule processing' "$TMPDIR"/monitor.txt; then
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FOUND=1
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break
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fi
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sleep .5
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done
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[[ -n "$FOUND" ]]
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udevadm trigger --verbose --settle --action add /dev/null
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FOUND=
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for _ in {1..40}; do
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if ! grep -e 'UDEV *\[[0-9.]*\] *add *\/devices\/virtual\/mem\/null (mem)' "$TMPDIR"/monitor.txt; then
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sleep .5
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continue
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fi
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FOUND=1
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for ((i = 0; i < 100; i++)); do
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if ! grep -F "$(printf 'XXX%03i=0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789' "$i")" "$TMPDIR"/monitor.txt; then
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FOUND=
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break
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fi
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done
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if [[ -n "$FOUND" ]]; then
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break;
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fi
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sleep .5
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done
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[[ -n "$FOUND" ]]
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# cleanup
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rm -f /run/udev/rules.d/50-testsuite.rules
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udevadm control --reload
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kill "$KILL_PID"
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rm -rf "$TMPDIR"
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exit 0
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