rgw: return EINVAL if max_keys can not convert correctly

fix: http://tracker.ceph.com/issues/23586

Signed-off-by: yuliyang <yuliyang@cmss.chinamobile.com>
(cherry picked from commit 6c46f2a0d3fe46c7615d3b9b0c07377c280d42df)

diff --git a/src/rgw/rgw_op.cc b/src/rgw/rgw_op.cc
index f20cbd9b862bc877599a4d29669bd697486c0a71..85ba68abd9356c6a593230fe6ce1bf148a847e20 100644 (file)
--- a/src/rgw/rgw_op.cc
+++ b/src/rgw/rgw_op.cc
@@ -2274,6 +2274,7 @@ int RGWListBucket::parse_max_keys()
     char *endptr;
     max = strtol(max_keys.c_str(), &endptr, 10);
     if (endptr) {
+      if (endptr == max_keys.c_str()) return -EINVAL;
       while (*endptr && isspace(*endptr)) // ignore white space
         endptr++;
       if (*endptr) {