diff options
| -rw-r--r-- | src/resolve/fuzz-etc-hosts.c | 20 | ||||
| -rw-r--r-- | src/resolve/meson.build | 7 | ||||
| -rwxr-xr-x | tools/oss-fuzz.sh | 5 |
3 files changed, 32 insertions, 0 deletions
diff --git a/src/resolve/fuzz-etc-hosts.c b/src/resolve/fuzz-etc-hosts.c new file mode 100644 index 0000000000..050c85dab4 --- /dev/null +++ b/src/resolve/fuzz-etc-hosts.c @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "fd-util.h" +#include "fuzz.h" +#include "resolved-etc-hosts.h" + +int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { + _cleanup_fclose_ FILE *f = NULL; + _cleanup_(etc_hosts_free) EtcHosts h = {}; + + if (!getenv("SYSTEMD_LOG_LEVEL")) + log_set_max_level(LOG_CRIT); + + f = data_to_file(data, size); + assert_se(f); + + (void) etc_hosts_parse(&h, f); + + return 0; +} diff --git a/src/resolve/meson.build b/src/resolve/meson.build index 1fee993d0a..eeaea3411f 100644 --- a/src/resolve/meson.build +++ b/src/resolve/meson.build @@ -221,4 +221,11 @@ fuzzers += [ libshared], [lib_openssl_or_gcrypt, libm]], + [files('fuzz-etc-hosts.c', + 'resolved-etc-hosts.c', + 'resolved-etc-hosts.h'), + [libsystemd_resolve_core, + libshared], + [lib_openssl_or_gcrypt, + libm]], ] diff --git a/tools/oss-fuzz.sh b/tools/oss-fuzz.sh index cff90145ce..1d7412a81b 100755 --- a/tools/oss-fuzz.sh +++ b/tools/oss-fuzz.sh @@ -73,6 +73,11 @@ done zip -jqr "$OUT/fuzz-bcd_seed_corpus.zip" "$bcd" rm -rf "$bcd" +hosts=$(mktemp) +wget -O "$hosts" https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts +zip -jq "$OUT/fuzz-etc-hosts_seed_corpus.zip" "$hosts" +rm -rf "$hosts" + # The seed corpus is a separate flat archive for each fuzzer, # with a fixed name ${fuzzer}_seed_corpus.zip. for d in "$(dirname "$0")/../test/fuzz/fuzz-"*; do |