From 3d6de19a4b1a68156d16c4861a6c3c1ef8a81b45 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Fri, 24 Aug 2018 22:54:33 +0200
Subject: proj_4D_api.c: fix potential null pointer dereference. Fixes
 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10033. Credit to OSS
 Fuzz. master only

---
 src/proj_4D_api.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/proj_4D_api.c b/src/proj_4D_api.c
index f0543893..74cf45d6 100644
--- a/src/proj_4D_api.c
+++ b/src/proj_4D_api.c
@@ -505,10 +505,10 @@ Returns 1 on success, 0 on failure
             return 0;
         sprintf (def, "break_cs2cs_recursion     proj=helmert exact %s convention=position_vector", s);
         Q = proj_create (P->ctx, def);
-        pj_inherit_ellipsoid_def (P, Q);
-        free (def);
+        free(def);
         if (0==Q)
             return 0;
+        pj_inherit_ellipsoid_def (P, Q);
         P->helmert = skip_prep_fin (Q);
 
         break;
-- 
cgit v1.2.3