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_8x32_impl.h
+++ b/src/scalar_8x32_impl.h
@@ -720,6 +720,7 @@ SECP256K1_INLINE static void secp256k1_scalar_mul_shift_var(secp256k1_scalar *r,

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