IssueNo:#I5MAFM

Description:security: Fix CVE-2022-37434
Sig:SIG_ApplicaitonFramework
Feature or Bugfix:Bugfix
Binary Source:No
Signed-off-by: Nwanghang <wanghang26@huawei.com>
Change-Id: If307873d4eeb639f4c86ac7ca4dd2057e9522070

inflate.c

@@ -764,8 +764,9 @@ int flush;
                 if (copy > have) copy = have;
                 if (copy) {
                     if (state->head != Z_NULL &&
-                        state->head->extra != Z_NULL) {
-                        len = state->head->extra_len - state->length;
+                        state->head->extra != Z_NULL &&
+                        (len = state->head->extra_len - state->length) <
+                            state->head->extra_max) {
                         zmemcpy(state->head->extra + len, next,
                                 len + copy > state->head->extra_max ?
                                 state->head->extra_max - len : copy);