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-rw-r--r--test/unittests/unit_rand.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/unittests/unit_rand.c b/test/unittests/unit_rand.c
index 1ad02a80..f89b2ab5 100644
--- a/test/unittests/unit_rand.c
+++ b/test/unittests/unit_rand.c
@@ -67,6 +67,7 @@ static void test_rand_below(void **state) {
rand_set_seed(&afl, 1337);
afl.fsrv.dev_urandom_fd = open("/dev/urandom", O_RDONLY);
+ if (afl.fsrv.dev_urandom_fd < 0) { PFATAL("Unable to open /dev/urandom"); }
assert(!(rand_below(&afl, 9000) > 9000));
assert_int_equal(rand_below(&afl, 1), 0);