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ICU-22929 Improve fuzzer to find leak from udat_open

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Try to find out what cause ICU-23008. Use ICU-22929 as bug number
to improve fuzzer to find the problem.
According to ICU-23008 bug report, the leak of DecimalFormatSymbols
can be reach by udat_open when the style is UDAT_PATTERN
This commit is contained in:
Frank Tang 2025-01-14 15:15:51 -08:00 • committed by Frank Yung-Fong Tang
parent f8aa68b0c1
commit 13a5e29644
1 changed files with 6 additions and 0 deletions
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6
icu4c/source/test/fuzzer/date_format_fuzzer.cpp
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@ -90,5 +90,11 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
icu::DateFormat::createDateTimeInstance(dateStyle, timeStyle, locale2));
df.reset(
icu::DateFormat::createDateTimeInstance(dateStyle2, timeStyle2, locale2));
UDateFormat* udf = udat_open(UDAT_PATTERN, UDAT_PATTERN, str.c_str(), nullptr, 0,
skeleton.getBuffer(), skeleton.length(), &status);
if (udf && U_SUCCESS(status)) {
udat_close(udf);
}
return EXIT_SUCCESS;
}