# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1513698306 -3600
# Node ID 7c071a3f7f8ec51c0501a61bee188e7d43c50f9b
# Parent  d25c0dfb3ec6692922da004cd7cc278780ba4ef6
patch 8.0.1413: accessing freed memory in :cbuffer

commit https://github.com/vim/vim/commit/aaf6e43b7a99cedb89d73ba749a46f7a0f16bbb6
Author: Bram Moolenaar <Bram@vim.org>
Date:   Tue Dec 19 16:41:14 2017 +0100

    patch 8.0.1413: accessing freed memory in :cbuffer

    Problem:    Accessing freed memory in :cbuffer.
    Solution:   Get quickfix list after executing autocmds. (closes https://github.com/vim/vim/issues/2470)

diff --git a/src/quickfix.c b/src/quickfix.c
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -5520,14 +5520,6 @@ ex_cbuffer(exarg_T *eap)
 #endif
     int		res;
 
-    if (eap->cmdidx == CMD_lbuffer || eap->cmdidx == CMD_lgetbuffer
-	    || eap->cmdidx == CMD_laddbuffer)
-    {
-	qi = ll_get_or_alloc_list(curwin);
-	if (qi == NULL)
-	    return;
-    }
-
 #ifdef FEAT_AUTOCMD
     switch (eap->cmdidx)
     {
@@ -5549,6 +5541,15 @@ ex_cbuffer(exarg_T *eap)
     }
 #endif
 
+    /* Must come after autocommands. */
+    if (eap->cmdidx == CMD_lbuffer || eap->cmdidx == CMD_lgetbuffer
+	    || eap->cmdidx == CMD_laddbuffer)
+    {
+	qi = ll_get_or_alloc_list(curwin);
+	if (qi == NULL)
+	    return;
+    }
+
     if (*eap->arg == NUL)
 	buf = curbuf;
     else if (*skipwhite(skipdigits(eap->arg)) == NUL)
diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -1178,3 +1178,10 @@ func Test_nocatch_wipe_dummy_buffer()
   call assert_fails('lv½ /x', 'E480')
   au!
 endfunc
+
+func Test_wipe_cbuffer()
+  sv x
+  au * * bw
+  lb
+  au!
+endfunc
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1413,
+/**/
     1412,
 /**/
     1411,