tests: fuzz: fuzz _len variants of checking methods

In order to increase test coverage.

Signed-off-by: Petr Štetiar <ynezz@true.cz>

diff --git a/tests/fuzz/test-fuzz.c b/tests/fuzz/test-fuzz.c
index 52f2bbce878f7e036ea76192b877edf8cd30a0db..4dc13a8d8a3b66ea93fe7145f01f2aeacf391646 100644 (file)
--- a/tests/fuzz/test-fuzz.c
+++ b/tests/fuzz/test-fuzz.c
@@ -1,10 +1,13 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <stddef.h>
+#include <limits.h>
 
 #include "blob.h"
 #include "blobmsg.h"
 
+#define BLOBMSG_TYPE_TROUBLE INT_MAX
+
 static void fuzz_blobmsg_parse(const uint8_t *data, size_t size)
 {
        enum {
@@ -14,6 +17,19 @@ static void fuzz_blobmsg_parse(const uint8_t *data, size_t size)
                __FOO_MAX
        };
 
+       static const int blobmsg_type[] = {
+               BLOBMSG_TYPE_UNSPEC,
+               BLOBMSG_TYPE_ARRAY,
+               BLOBMSG_TYPE_TABLE,
+               BLOBMSG_TYPE_STRING,
+               BLOBMSG_TYPE_INT64,
+               BLOBMSG_TYPE_INT32,
+               BLOBMSG_TYPE_INT16,
+               BLOBMSG_TYPE_INT8,
+               BLOBMSG_TYPE_DOUBLE,
+               BLOBMSG_TYPE_TROUBLE,
+       };
+
        static const struct blobmsg_policy foo_policy[] = {
                [FOO_MESSAGE] = {
                        .name = "message",
@@ -33,6 +49,14 @@ static void fuzz_blobmsg_parse(const uint8_t *data, size_t size)
 
        blobmsg_parse(foo_policy, __FOO_MAX, tb, (uint8_t *)data, size);
        blobmsg_parse_array(foo_policy, __FOO_MAX, tb, (uint8_t *)data, size);
+
+       blobmsg_check_attr_len((struct blob_attr *)data, false, size);
+       blobmsg_check_attr_len((struct blob_attr *)data, true, size);
+
+       for (size_t i=0; i < ARRAY_SIZE(blobmsg_type); i++) {
+               blobmsg_check_array_len((struct blob_attr *)data, blobmsg_type[i], size);
+               blobmsg_check_attr_list_len((struct blob_attr *)data, blobmsg_type[i], size);
+       }
 }
 
 static void fuzz_blob_parse(const uint8_t *data, size_t size)