From a18821d5b1d44db0e7c8335f338cc9876bec98cb Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter@wuille.net>
Date: Tue, 1 Sep 2020 18:15:21 -0700
Subject: [PATCH] Always initialize output coordinates in secp256k1_ge_set_gej

---
 src/group_impl.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/group_impl.h b/src/group_impl.h
index 29017dc965242..d6031e58cfc64 100644
--- a/src/group_impl.h
+++ b/src/group_impl.h
@@ -115,10 +115,11 @@ static void secp256k1_ge_set_gej(secp256k1_ge *r, secp256k1_gej *a) {
 
 static void secp256k1_ge_set_gej_var(secp256k1_ge *r, secp256k1_gej *a) {
     secp256k1_fe z2, z3;
-    if (a->infinity) {
+    if (secp256k1_gej_is_infinity(a)) {
         secp256k1_ge_set_infinity(r);
         return;
     }
+    r->infinity = 0;
     secp256k1_fe_inv_var(&a->z, &a->z);
     secp256k1_fe_sqr(&z2, &a->z);
     secp256k1_fe_mul(&z3, &a->z, &z2);