Timerix/utf8proc
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OSS-Fuzz integration updates (#219)

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* fix build

* CIFuzz integration

* update fuzzer

* undo changes to build

* ossfuzz.sh: fix copy path
This commit is contained in:
Randy
2021-02-04 18:59:39 +01:00
committed by GitHub
parent c17ea5dfef
commit 93a88b4310
3 changed files with 80 additions and 1 deletions
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56
test/fuzzer.c
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@@ -1,4 +1,5 @@
#include <utf8proc.h>
#include <string.h>
int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
@@ -6,6 +7,61 @@ int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
if(data[size-1] != '\0') return 0;
const uint8_t* ptr = data;
utf8proc_int32_t c = 0;
utf8proc_option_t options;
utf8proc_ssize_t ret, bytes = 0;
size_t len = strlen((const char*)data);
while(bytes != len)
{
ret = utf8proc_iterate(ptr, -1, &c);
if(ret < 0 || ret == 0) break;
bytes += ret;
ptr += ret;
utf8proc_tolower(c);
utf8proc_toupper(c);
utf8proc_totitle(c);
utf8proc_islower(c);
utf8proc_isupper(c);
utf8proc_charwidth(c);
utf8proc_category(c);
utf8proc_category_string(c);
utf8proc_codepoint_valid(c);
}
utf8proc_int32_t *copy = size >= 4 ? NULL : malloc(size);
if(copy)
{
size /= 4;
options = UTF8PROC_STRIPCC | UTF8PROC_NLF2LS | UTF8PROC_NLF2PS;
memcpy(copy, data, size);
utf8proc_normalize_utf32(copy, size, options);
options = UTF8PROC_STRIPCC | UTF8PROC_NLF2LS;
memcpy(copy, data, size);
utf8proc_normalize_utf32(copy, size, options);
options = UTF8PROC_STRIPCC | UTF8PROC_NLF2PS;
memcpy(copy, data, size);
utf8proc_normalize_utf32(copy, size, options);
options = UTF8PROC_STRIPCC;
memcpy(copy, data, size);
utf8proc_normalize_utf32(copy, size, options);
options = 0;
memcpy(copy, data, size);
utf8proc_normalize_utf32(copy, size, options);
free(copy);
}
free(utf8proc_NFD(data));
free(utf8proc_NFC(data));
free(utf8proc_NFKD(data));

2
test/ossfuzz.sh
View File

@@ -7,7 +7,7 @@ cd build
cmake .. -DUTF8PROC_ENABLE_TESTING=ON -DLIB_FUZZING_ENGINE="$LIB_FUZZING_ENGINE"
make -j$(nproc)
cp $SRC/utf8proc/build/fuzzer utf8proc_fuzzer
cp $SRC/utf8proc/build/fuzzer $OUT/utf8proc_fuzzer
find $SRC/utf8proc/test -name "*.txt" | \
xargs zip $OUT/utf8proc_fuzzer_seed_corpus.zip