patch 9.1.0341: Problem: a few memory leaks are found

Commit: 
https://github.com/vim/vim/commit/29269a71b5ac8a87c6c4beca35c173a19a2c9398
Author: Christian Brabandt <c...@256bit.org>
Date:   Tue Apr 16 22:44:31 2024 +0200

    patch 9.1.0341: Problem: a few memory leaks are found
    
    Problem:  a few memory leaks are found
              (LuMingYinDetect )
    Solution: properly free the memory
    
    Fixes the following problems:
    - Memory leak in f_maplist()
      fixes: #14486
    
    - Memory leak in option.c
      fixes: #14485
    
    - Memory leak in f_resolve()
      fixes: #14484
    
    - Memory leak in f_autocmd_get()
      related: #14474
    
    - Memory leak in dict_extend_func()
      fixes: #14477
      fixes: #14238
    
    closes: #14517
    
    Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/src/autocmd.c b/src/autocmd.c
index 666cf45d3..bce57cb75 100644
--- a/src/autocmd.c
+++ b/src/autocmd.c
@@ -3406,7 +3406,10 @@ f_autocmd_get(typval_T *argvars, typval_T *rettv)
                event_dict = dict_alloc();
                if (event_dict == NULL
                        || list_append_dict(event_list, event_dict) == FAIL)
+               {
+                   vim_free(pat);
                    return;
+               }
 
                if (dict_add_string(event_dict, "event", event_name) == FAIL
                        || dict_add_string(event_dict, "group",
@@ -3421,7 +3424,10 @@ f_autocmd_get(typval_T *argvars, typval_T *rettv)
                        || dict_add_bool(event_dict, "once", ac->once) == FAIL
                        || dict_add_bool(event_dict, "nested",
                                                           ac->nested) == FAIL)
+               {
+                   vim_free(pat);
                    return;
+               }
            }
        }
     }
diff --git a/src/dict.c b/src/dict.c
index 508d00cdf..c78995d80 100644
--- a/src/dict.c
+++ b/src/dict.c
@@ -1300,12 +1300,18 @@ dict_extend_func(
 
        action = tv_get_string_chk(&argvars[2]);
        if (action == NULL)
+       {
+           if (is_new)
+               dict_unref(d1);
            return;
+       }
        for (i = 0; i < 3; ++i)
            if (STRCMP(action, av[i]) == 0)
                break;
        if (i == 3)
        {
+           if (is_new)
+               dict_unref(d1);
            semsg(_(e_invalid_argument_str), action);
            return;
        }
diff --git a/src/filepath.c b/src/filepath.c
index cbf2da413..3bf8a2d26 100644
--- a/src/filepath.c
+++ b/src/filepath.c
@@ -2110,6 +2110,7 @@ f_resolve(typval_T *argvars, typval_T *rettv)
        if (buf == NULL)
        {
            vim_free(p);
+           vim_free(remain);
            goto fail;
        }
 
diff --git a/src/map.c b/src/map.c
index b7bb46c04..c416c0a32 100644
--- a/src/map.c
+++ b/src/map.c
@@ -2574,7 +2574,10 @@ f_maplist(typval_T *argvars UNUSED, typval_T *rettv)
                if ((d = dict_alloc()) == NULL)
                    return;
                if (list_append_dict(rettv->vval.v_list, d) == FAIL)
+               {
+                   dict_unref(d);
                    return;
+               }
 
                keys_buf = NULL;
                did_simplify = FALSE;
diff --git a/src/option.c b/src/option.c
index f0fca6f45..1bb9e29ba 100644
--- a/src/option.c
+++ b/src/option.c
@@ -853,7 +853,10 @@ set_string_default_esc(char *name, char_u *val, int escape)
 
     opt_idx = findoption((char_u *)name);
     if (opt_idx < 0)
+    {
+       vim_free(p);
        return;
+    }
 
     if (options[opt_idx].flags & P_DEF_ALLOCED)
        vim_free(options[opt_idx].def_val[VI_DEFAULT]);
diff --git a/src/testdir/test_listdict.vim b/src/testdir/test_listdict.vim
index 8b2c27a89..4c6947636 100644
--- a/src/testdir/test_listdict.vim
+++ b/src/testdir/test_listdict.vim
@@ -1530,4 +1530,10 @@ func Test_indexof()
   delfunc TestIdx
 endfunc
 
+func Test_extendnew_leak()
+  " This used to leak memory
+  for i in range(100) | silent! call extendnew([], [], []) | endfor
+  for i in range(100) | silent! call extendnew({}, {}, {}) | endfor
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
index 56c779e16..ba64d8fe1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    341,
 /**/
     340,
 /**/

-- 
-- 
You received this message from the "vim_dev" maillist.
Do not top-post! Type your reply below the text you are replying to.
For more information, visit http://www.vim.org/maillist.php

--- 
You received this message because you are subscribed to the Google Groups 
"vim_dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to vim_dev+unsubscr...@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/vim_dev/E1rwpuN-00EaiW-2W%40256bit.org.

Raspunde prin e-mail lui