commit 31bdd13c335533c749993b57dcd980a87373139e
author Bram Moolenaar <Bram@vim.org> Sat Apr 15 15:22:52 2017 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Apr 15 15:22:52 2017 +0200
tree 6b161b9c78d5a63551b97dad4ab314f2c4b32dd1
parent 39170e2d9761345df4be67d4d3928ac1094b9adf

patch 8.0.0565: using freed memory in :caddbuf

Problem:    Using freed memory in :caddbuf after clearing quickfix list.
            (Dominique Pelle)
Solution:   Set qf_last to NULL.

src/quickfix.c

diff --git a/src/quickfix.c b/src/quickfix.c
index 58fcd11..d2921b2 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -2750,6 +2750,7 @@
     vim_free(qi->qf_lists[idx].qf_title);
     qi->qf_lists[idx].qf_title = NULL;
     qi->qf_lists[idx].qf_index = 0;
+    qi->qf_lists[idx].qf_last = NULL;
 
     qf_clean_dir_stack(&qi->qf_dir_stack);
     qi->qf_directory = NULL;

src/version.c

diff --git a/src/version.c b/src/version.c
index 048953d..a68b999 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    565,
+/**/
     564,
 /**/
     563,