tor

commit 06ffafcb9d4107297b6e72ee53d6e6db782cbdea
parent 474ca13d6a5e8aa2cf099e92e68eb932b15b2315
Author: Nick Mathewson <nickm@torproject.org>
Date:   Mon, 11 Dec 2017 11:37:54 -0500

Set DH parameters to NULL on shutdown

If we don't do this, we will use freed memory on restart.

Part of 24581.

Diffstat:
M
src/common/crypto.c
 | 
2
++

1 file changed, 2 insertions(+), 0 deletions(-)
diff --git a/src/common/crypto.c b/src/common/crypto.c
@@ -3470,6 +3470,8 @@ crypto_global_cleanup(void)
   if (dh_param_g)
     BN_clear_free(dh_param_g);
 
+  dh_param_p = dh_param_p_tls = dh_param_g = NULL;
+
 #ifndef DISABLE_ENGINES
   ENGINE_cleanup();
 #endif