To: vim_dev@googlegroups.com
Subject: Patch 8.2.0033
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 8.2.0033
Problem:    Crash when make_extmatch() runs out of memory.
Solution:   Check for NULL. (Dominique Pelle, closs #5392)
Files:	    src/regexp_bt.c, src/regexp_nfa.c


*** ../vim-8.2.0032/src/regexp_bt.c	2019-09-08 17:19:06.000000000 +0200
--- src/regexp_bt.c	2019-12-22 19:38:10.490383737 +0100
***************
*** 4568,4573 ****
--- 4568,4575 ----
  
  	cleanup_zsubexpr();
  	re_extmatch_out = make_extmatch();
+ 	if (re_extmatch_out == NULL)
+ 	    return 0;
  	for (i = 0; i < NSUBEXP; i++)
  	{
  	    if (REG_MULTI)
*** ../vim-8.2.0032/src/regexp_nfa.c	2019-12-05 21:01:38.000000000 +0100
--- src/regexp_nfa.c	2019-12-22 19:38:56.306300736 +0100
***************
*** 7070,7075 ****
--- 7070,7077 ----
      {
  	cleanup_zsubexpr();
  	re_extmatch_out = make_extmatch();
+ 	if (re_extmatch_out == NULL)
+ 	    return 0;
  	// Loop over \z1, \z2, etc.  There is no \z0.
  	for (i = 1; i < subs.synt.in_use; i++)
  	{
*** ../vim-8.2.0032/src/version.c	2019-12-22 18:28:48.252481062 +0100
--- src/version.c	2019-12-22 19:40:01.034174291 +0100
***************
*** 744,745 ****
--- 744,747 ----
  {   /* Add new patch number below this line */
+ /**/
+     33,
  /**/

-- 
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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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