From: Stephen Morris <stephen@isc.org>
Date: Tue, 25 Jun 2019 16:18:25 +0000 (+0100)
Subject: [#640,!351] Don't log EOF received from AFL
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4843535709679ca1a24ce9017260eb04c78acbd9;p=thirdparty%2Fkea.git

[#640,!351] Don't log EOF received from AFL

There seemed to be a lot of them and they were just filling up the log.
---

diff --git a/src/lib/dhcpsrv/fuzz.cc b/src/lib/dhcpsrv/fuzz.cc
index 592d5b720c..11afbe1b68 100644
--- a/src/lib/dhcpsrv/fuzz.cc
+++ b/src/lib/dhcpsrv/fuzz.cc
@@ -241,7 +241,10 @@ Fuzz::run(void) {
         char buf[BUFFER_SIZE];
         ssize_t length = read(0, buf, sizeof(buf));
         if (length <= 0) {
-            LOG_ERROR(fuzz_logger, FUZZ_READ_FAIL).arg(strerror(errno));
+            // Don't log EOFs received - they may be generated by AFL
+            if (length != 0) {
+                LOG_ERROR(fuzz_logger, FUZZ_READ_FAIL).arg(strerror(errno));
+            }
             usleep(SLEEP_INTERVAL);
             continue;
         }