commit 33685b82ec58bf6fc036fd6398171b897fe4fd5a
author Adam Langley <agl@chromium.org> Fri Jun 20 12:00:00 2014 -0700
committer Adam Langley <agl@chromium.org> Fri Jun 20 13:17:39 2014 -0700
tree c9c21fe5b19820db7757040364dd520215fd63c8
parent e0ddf2706a99598252d65a87ff1f626e096272b0

dh/check.c: check BN_CTX_get's return value.

(Imported from upstream's fe69e6be6e551c04d9d6a186c7fee1e635313ca6)

crypto/dh/check.c

diff --git a/crypto/dh/check.c b/crypto/dh/check.c
index f5099d5..06af6f2 100644
--- a/crypto/dh/check.c
+++ b/crypto/dh/check.c
@@ -110,6 +110,9 @@
   }
   BN_CTX_start(ctx);
   t1 = BN_CTX_get(ctx);
+  if (t1 == NULL) {
+    goto err;
+  }
   t2 = BN_CTX_get(ctx);
   if (t2 == NULL) {
     goto err;