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author | Evgeny Vereshchagin <evvers@ya.ru> | 2018-08-01 10:25:26 +0000 |
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committer | Lennart Poettering <lennart@poettering.net> | 2018-10-10 10:13:30 +0200 |
commit | 6315d12bbad965d22b724b01af5efdf408bc8005 (patch) | |
tree | eac50dd176ab95ff0d9d11434b61e504d9f2f47b /src/fuzz/fuzz-json.c | |
parent | 788c34be32b81e8d156c6d282e4262dfae410a75 (diff) | |
download | systemd-6315d12bbad965d22b724b01af5efdf408bc8005.tar.gz |
tests: add a fuzzer for the json parser and dumper
Diffstat (limited to 'src/fuzz/fuzz-json.c')
-rw-r--r-- | src/fuzz/fuzz-json.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/fuzz/fuzz-json.c b/src/fuzz/fuzz-json.c new file mode 100644 index 0000000000..3aa9d089e6 --- /dev/null +++ b/src/fuzz/fuzz-json.c @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ + +#include "alloc-util.h" +#include "fd-util.h" +#include "fuzz.h" +#include "json.h" + +int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { + _cleanup_free_ char *out = NULL; /* out should be freed after g */ + size_t out_size; + _cleanup_fclose_ FILE *f = NULL, *g = NULL; + _cleanup_(json_variant_unrefp) JsonVariant *v = NULL; + + if (size == 0) + return 0; + + f = fmemopen((char*) data, size, "re"); + assert_se(f); + + if (json_parse_file(f, NULL, &v, NULL, NULL) < 0) + return 0; + + g = open_memstream(&out, &out_size); + assert_se(g); + + json_variant_dump(v, 0, g, NULL); + json_variant_dump(v, JSON_FORMAT_PRETTY|JSON_FORMAT_COLOR|JSON_FORMAT_SOURCE, g, NULL); + + return 0; +} |