sp_int.c sp_div(): add missing (err == MP_OKAY) clause to fix null ptr deref.

2022-07-28 09:27:49 -05:00
parent 3ac04fa3ee
commit 545ba58cc0
1 changed files with 1 additions and 1 deletions
--- a/wolfcrypt/src/sp_int.c
+++ b/wolfcrypt/src/sp_int.c
@ -7121,7 +7121,7 @@ int sp_div(sp_int* a, sp_int* d, sp_int* r, sp_int* rem)
        }
    }

-    if (!done) {
+    if ((!done) && (err == MP_OKAY)) {
 #if (defined(WOLFSSL_SMALL_STACK) || defined(SP_ALLOC)) && \
    !defined(WOLFSSL_SP_NO_MALLOC)
        int cnt = 4;