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29bdeb5cb3
Introduce a manual test tool that creates a journal, corrupts it by flipping bits at given offsets, and then attempts to write to the journal. In ideal case we should handle this gracefully without any crash or memory corruption.
47 lines
1.9 KiB
Bash
Executable File
47 lines
1.9 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 -eux
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set -o pipefail
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# test-journal-append corrupts the journal file by flipping a bit at a given offset and
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# following it by a write to check if we handle appending messages to corrupted journals
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# gracefully
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TEST_JOURNAL_APPEND=/usr/lib/systemd/tests/unit-tests/manual/test-journal-append
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[[ -x "$TEST_JOURNAL_APPEND" ]]
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# Corrupt the first ~1024 bytes, this should be pretty quick
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"$TEST_JOURNAL_APPEND" --sequential --start-offset=0 --iterations=350 --iteration-step=3
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# Skip most of the test when running without acceleration, as it's excruciatingly slow
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# (this shouldn't be an issue, as it should run in nspawn as well)
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if ! [[ "$(systemd-detect-virt -v)" == "qemu" ]]; then
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# Corrupt the beginning of every 1K block between 1K - 32K
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for ((i = 1024; i <= (32 * 1024); i += 1024)); do
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"$TEST_JOURNAL_APPEND" --sequential --start-offset="$i" --iterations=5 --iteration-step=13
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done
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# Corrupt the beginning of every 16K block between 32K - 128K
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for ((i = (32 * 1024); i <= (256 * 1024); i += (16 * 1024))); do
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"$TEST_JOURNAL_APPEND" --sequential --start-offset="$i" --iterations=5 --iteration-step=13
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done
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# Corrupt the beginning of every 128K block between 128K - 1M
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for ((i = (128 * 1024); i <= (1 * 1024 * 1024); i += (128 * 1024))); do
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"$TEST_JOURNAL_APPEND" --sequential --start-offset="$i" --iterations=5 --iteration-step=13
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done
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# And finally the beginning of every 1M block between 1M and 8M
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for ((i = (1 * 1024 * 1024); i < (8 * 1024 * 1024); i += (1 * 1024 * 1024))); do
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"$TEST_JOURNAL_APPEND" --sequential --start-offset="$i" --iterations=5 --iteration-step=13
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done
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if [[ "$(nproc)" -ge 2 ]]; then
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# Try to corrupt random bytes throughout the journal
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"$TEST_JOURNAL_APPEND" --iterations=25
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fi
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else
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"$TEST_JOURNAL_APPEND" --iterations=10
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fi
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