Merge pull request wolfSSL#8953 from philljj/fedora_linuxkm_uninit_errors

linuxkm fedora: fix uninitialized build errors.

Author: douzzer

wolfcrypt/src/camellia.c

@@ -1022,7 +1022,7 @@ static int camellia_setup256(const unsigned char *key, u32 *subkey)
 static int camellia_setup192(const unsigned char *key, u32 *subkey)
 {
     unsigned char kk[32];
-    u32 krll, krlr, krrl,krrr;
+    u32 krll = 0, krlr = 0, krrl = 0, krrr = 0;
 
     XMEMCPY(kk, key, 24);
     XMEMCPY((unsigned char *)&krll, key+16,4);

wolfcrypt/src/des3.c

@@ -1677,7 +1677,7 @@
 
     static void DesProcessBlock(Des* des, const byte* in, byte* out)
     {
-        word32 l, r;
+        word32 l = 0, r = 0;
 
         XMEMCPY(&l, in, sizeof(l));
         XMEMCPY(&r, in + sizeof(l), sizeof(r));
@@ -1700,7 +1700,7 @@
 
     static void Des3ProcessBlock(Des3* des, const byte* in, byte* out)
     {
-        word32 l, r;
+        word32 l = 0, r = 0;
 
         XMEMCPY(&l, in, sizeof(l));
         XMEMCPY(&r, in + sizeof(l), sizeof(r));

wolfcrypt/src/misc.c

@@ -1009,9 +1009,12 @@ WC_MISC_STATIC WC_INLINE void ato64(const byte *in, w64wrapper *w64)
 #ifdef BIG_ENDIAN_ORDER
     XMEMCPY(&w64->n, in, sizeof(w64->n));
 #else
-    word64 _in;
-    XMEMCPY(&_in, in, sizeof(_in));
-    w64->n = ByteReverseWord64(_in);
+    union {
+        word64 w;
+        byte b[sizeof(word64)];
+    } _in;
+    XMEMCPY(_in.b, in, sizeof(_in));
+    w64->n = ByteReverseWord64(_in.w);
 #endif /* BIG_ENDIAN_ORDER */
 }