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| author | mark0 <757410129@qq.com> | 2023-07-28 17:32:59 +0800 |
|---|---|---|
| committer | mark0 <757410129@qq.com> | 2023-07-28 17:32:59 +0800 |
| commit | bd1648e707b85b79d816fd8737909789d7d2a09c (patch) | |
| tree | e24935f2cebb2634cc5621ab48689b9741bfa720 | |
| parent | 705cdf45fc32e6f5fcf3b8e58242ede3b99b8b6e (diff) | |
| download | afl++-bd1648e707b85b79d816fd8737909789d7d2a09c.tar.gz | |
fix the file descriptor without determining null
| -rw-r--r-- | custom_mutators/aflpp/standalone/aflpp-standalone.c | 1 | ||||
| -rw-r--r-- | src/afl-showmap.c | 1 | ||||
| -rw-r--r-- | test/unittests/unit_rand.c | 1 |
3 files changed, 3 insertions, 0 deletions
diff --git a/custom_mutators/aflpp/standalone/aflpp-standalone.c b/custom_mutators/aflpp/standalone/aflpp-standalone.c index 91bac4a8..361feaba 100644 --- a/custom_mutators/aflpp/standalone/aflpp-standalone.c +++ b/custom_mutators/aflpp/standalone/aflpp-standalone.c @@ -39,6 +39,7 @@ my_mutator_t *afl_custom_init(afl_state_t *afl, unsigned int seed) { data->afl = calloc(1, sizeof(afl_state_t)); data->afl->queue_cycle = 1; data->afl->fsrv.dev_urandom_fd = open("/dev/urandom", O_RDONLY); + if (data->afl->fsrv.dev_urandom_fd < 0) { PFATAL("Unable to open /dev/urandom"); } rand_set_seed(data->afl, getpid()); return data; diff --git a/src/afl-showmap.c b/src/afl-showmap.c index b82bcd72..7a639cf6 100644 --- a/src/afl-showmap.c +++ b/src/afl-showmap.c @@ -1611,6 +1611,7 @@ int main(int argc, char **argv_orig, char **envp) { if (in_dir || in_filelist) { afl->fsrv.dev_urandom_fd = open("/dev/urandom", O_RDONLY); + if (afl->fsrv.dev_urandom_fd < 0) { PFATAL("Unable to open /dev/urandom"); } afl->afl_env.afl_custom_mutator_library = getenv("AFL_CUSTOM_MUTATOR_LIBRARY"); afl->afl_env.afl_python_module = getenv("AFL_PYTHON_MODULE"); 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); |