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ICU-22549 Add Fuzer for Unicode property API

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Frank Tang 2023-11-29 12:51:21 -08:00 • committed by Frank Yung-Fong Tang
parent 2adf957de2
commit ba4e8f2ef7
2 changed files with 65 additions and 1 deletions
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22
icu4c/source/test/fuzzer/Makefile.in
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@ -33,7 +33,27 @@ CPPFLAGS += -I$(srcdir) -I$(top_srcdir)/common -I$(top_srcdir)/i18n -I$(top_srcd
DEFS += -D'U_TOPSRCDIR="$(top_srcdir)/"' -D'U_TOPBUILDDIR="$(BUILDDIR)"'
LIBS = $(LIBCTESTFW) $(LIBICUTOOLUTIL) $(LIBICUIO) $(LIBICUI18N) $(LIBICUUC) $(DEFAULT_LIBS) $(LIB_M)
FUZZER_TARGETS = break_iterator_fuzzer calendar_fuzzer collator_compare_fuzzer collator_rulebased_fuzzer converter_fuzzer date_format_fuzzer date_time_pattern_generator_fuzzer list_format_fuzzer locale_fuzzer locale_morph_fuzzer number_format_fuzzer relative_date_time_formatter_fuzzer rule_based_break_iterator_fuzzer ucasemap_fuzzer uloc_canonicalize_fuzzer uloc_for_language_tag_fuzzer uloc_get_name_fuzzer uloc_is_right_to_left_fuzzer uloc_open_keywords_fuzzer unicode_string_codepage_create_fuzzer uregex_open_fuzzer
FUZZER_TARGETS = \
break_iterator_fuzzer \
calendar_fuzzer collator_compare_fuzzer \
collator_rulebased_fuzzer \
converter_fuzzer date_format_fuzzer \
date_time_pattern_generator_fuzzer \
list_format_fuzzer locale_fuzzer \
locale_morph_fuzzer \
number_format_fuzzer \
relative_date_time_formatter_fuzzer \
rule_based_break_iterator_fuzzer \
ucasemap_fuzzer \
uloc_canonicalize_fuzzer \
uloc_for_language_tag_fuzzer \
uloc_get_name_fuzzer \
uloc_is_right_to_left_fuzzer \
uloc_open_keywords_fuzzer \
unicode_string_codepage_create_fuzzer \
uprop_fuzzer \
uregex_open_fuzzer \
OBJECTS = $(FUZZER_TARGETS:%=%.o)
OBJECTS += fuzzer_driver.o locale_util.o

44
icu4c/source/test/fuzzer/uprop_fuzzer.cpp Normal file
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@ -0,0 +1,44 @@
// © 2023 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
// Fuzzer for ICU Unicode Property.
#include <cstring>
#include "fuzzer_utils.h"
#include "unicode/uchar.h"
#include "unicode/locid.h"
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
UProperty prop;
UChar32 c32;
if (size < sizeof(prop) + sizeof(c32)) return 0;
icu::StringPiece fuzzData(reinterpret_cast<const char *>(data), size);
std::memcpy(&prop, fuzzData.data(), sizeof(prop));
fuzzData.remove_prefix(sizeof(prop));
std::memcpy(&c32, fuzzData.data(), sizeof(c32));
fuzzData.remove_prefix(sizeof(c32));
u_hasBinaryProperty(c32, prop);
UErrorCode status = U_ZERO_ERROR;
u_getBinaryPropertySet(prop, &status);
u_getIntPropertyValue(c32, prop);
u_getIntPropertyMinValue(prop);
u_getIntPropertyMaxValue(prop);
status = U_ZERO_ERROR;
u_getIntPropertyMap(prop, &status);
size_t unistr_size = fuzzData.length()/2;
const UChar* p = (const UChar*)(fuzzData.data());
u_stringHasBinaryProperty(p, unistr_size, prop);
return 0;
}