commit 4bbfb0f3cc67c00c8cee4e47283e8d760025219d
author Bram Moolenaar <Bram@vim.org> Sat Aug 31 15:28:02 2019 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Aug 31 15:28:02 2019 +0200
tree 458dc0642fa899af644ca8e4987b0d70913234b4
parent 8c6173c7d3431dd8bc2b6ffc076ef49512a7e175

patch 8.1.1950: using NULL pointer after an out-of-memory

Problem:    Using NULL pointer after an out-of-memory.
Solution:   Check for NULL pointer. (Dominique Pelle, closes #4881)

src/syntax.c

diff --git a/src/syntax.c b/src/syntax.c
index 154b759..2141bee 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -5222,7 +5222,7 @@
     for (item = ITEM_START; item <= ITEM_END; ++item)
 	for (ppp = pat_ptrs[item]; ppp != NULL; ppp = ppp_next)
 	{
-	    if (!success)
+	    if (!success && ppp->pp_synp != NULL)
 	    {
 		vim_regfree(ppp->pp_synp->sp_prog);
 		vim_free(ppp->pp_synp->sp_pattern);