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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2019-02-26 05:10:31 +0100 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2019-02-26 05:10:31 +0100 |
| commit | 4c9024c2cfb328823e86f9b1dcc887fd86bf84bb (patch) | |
| tree | 5340eed9dce2be5faf23a2bd54efc15757cb3ced /src/fuzz | |
| parent | sd-device: split device_read_db_internal() into two part (diff) | |
| download | systemd-4c9024c2cfb328823e86f9b1dcc887fd86bf84bb.tar.xz systemd-4c9024c2cfb328823e86f9b1dcc887fd86bf84bb.zip | |
fuzz: add fuzzer for udev database
Diffstat (limited to 'src/fuzz')
| -rw-r--r-- | src/fuzz/fuzz-udev-database.c | 25 | ||||
| -rw-r--r-- | src/fuzz/meson.build | 4 |
2 files changed, 29 insertions, 0 deletions
diff --git a/src/fuzz/fuzz-udev-database.c b/src/fuzz/fuzz-udev-database.c new file mode 100644 index 0000000000..d592d23c9e --- /dev/null +++ b/src/fuzz/fuzz-udev-database.c @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ + +#include "device-private.h" +#include "fd-util.h" +#include "fs-util.h" +#include "fuzz.h" +#include "tmpfile-util.h" + +int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { + _cleanup_(sd_device_unrefp) sd_device *dev = NULL; + _cleanup_(unlink_tempfilep) char filename[] = "/tmp/fuzz-udev-database.XXXXXX"; + _cleanup_fclose_ FILE *f = NULL; + + if (!getenv("SYSTEMD_LOG_LEVEL")) + log_set_max_level(LOG_CRIT); + + assert_se(fmkostemp_safe(filename, "r+", &f) == 0); + if (size != 0) + assert_se(fwrite(data, size, 1, f) == 1); + + fflush(f); + assert_se(sd_device_new_from_syspath(&dev, "/sys/class/net/lo") >= 0); + (void) device_read_db_internal_filename(dev, filename); + return 0; +} diff --git a/src/fuzz/meson.build b/src/fuzz/meson.build index f628001a2a..5138a2c416 100644 --- a/src/fuzz/meson.build +++ b/src/fuzz/meson.build @@ -97,6 +97,10 @@ fuzzers += [ libshared], []], + [['src/fuzz/fuzz-udev-database.c'], + [libshared], + []], + [['src/fuzz/fuzz-udev-rules.c'], [libudev_core, libudev_static, |