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[RFC,v2,03/36] libsepol/fuzz: silence secilc-fuzzer

Message ID 20211105154542.38434-4-cgzones@googlemail.com (mailing list archive)
State Superseded
Headers show
Series libsepol: add fuzzer for reading binary policies | expand

Commit Message

Christian Göttsche Nov. 5, 2021, 3:45 p.m. UTC 
Do not output CIL log messages while fuzzing, since their amount are
huge, e.g. for neverallow or typebounds violations.

Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
---
 libsepol/fuzz/secilc-fuzzer.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/libsepol/fuzz/secilc-fuzzer.c b/libsepol/fuzz/secilc-fuzzer.c
index 255b3241..9a1a16de 100644
--- a/libsepol/fuzz/secilc-fuzzer.c
+++ b/libsepol/fuzz/secilc-fuzzer.c
@@ -8,6 +8,10 @@ 
 #include <sepol/cil/cil.h>
 #include <sepol/policydb.h>
 
+static void log_handler(__attribute__((unused)) int lvl, __attribute__((unused)) const char *msg) {
+	/* be quiet */
+}
+
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
 	enum cil_log_level log_level = CIL_ERR;
 	struct sepol_policy_file *pf = NULL;
@@ -24,6 +28,7 @@  int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
 	sepol_policydb_t *pdb = NULL;
 
 	cil_set_log_level(log_level);
+	cil_set_log_handler(log_handler);
 
 	cil_db_init(&db);
 	cil_set_disable_dontaudit(db, disable_dontaudit);