Add valgrind uninit check to cmovs output

2020-05-20 15:12:09 +03:00
parent a39c2b09de
commit f79a7adcf5
7 changed files with 26 additions and 11 deletions
--- a/src/scalar_low_impl.h
+++ b/src/scalar_low_impl.h
@@ -116,6 +116,7 @@ SECP256K1_INLINE static int secp256k1_scalar_eq(const secp256k1_scalar *a, const

 static SECP256K1_INLINE void secp256k1_scalar_cmov(secp256k1_scalar *r, const secp256k1_scalar *a, int flag) {
    uint32_t mask0, mask1;
+    VG_CHECK_VERIFY(r, sizeof(*r));
    mask0 = flag + ~((uint32_t)0);
    mask1 = ~mask0;
    *r = (*r & mask0) | (*a & mask1);