Merge pull request #9253 from yuwata/fix-timezone_is_valid

util-lib: reject too long path for timedate_is_valid()
2018-06-11 09:12:21 +02:00
parent b05ecb8cad b474ff59e6
commit d9cd8ee65a
3 changed files with 9 additions and 0 deletions
@@ -1311,6 +1311,9 @@ bool timezone_is_valid(const char *name, int log_level) {
        if (slash)
                return false;

+        if (p - name >= PATH_MAX)
+                return false;
+
        t = strjoina("/usr/share/zoneinfo/", name);

        fd = open(t, O_RDONLY|O_CLOEXEC);
@@ -27,4 +27,5 @@ fuzz_regression_tests = '''
        fuzz-unit-file/oss-fuzz-6977
        fuzz-unit-file/oss-fuzz-7004
        fuzz-unit-file/oss-fuzz-8064
+        fuzz-unit-file/oss-fuzz-8827
 '''.split()