Patch 8.2.2779
Problem:    Memory access error in remove() for blob.
Solution:   Adjust length for memmove().
Files:      src/blob.c


*** ../vim-8.2.2778/src/blob.c  2021-04-17 20:44:52.442520718 +0200
--- src/blob.c  2021-04-17 21:19:48.147769871 +0200
***************
*** 444,450 ****
        {
            blob_T  *blob;
  
!           // Remove range of items, return list with values.
            end = (long)tv_get_number_chk(&argvars[2], &error);
            if (error)
                return;
--- 444,450 ----
        {
            blob_T  *blob;
  
!           // Remove range of items, return blob with values.
            end = (long)tv_get_number_chk(&argvars[2], &error);
            if (error)
                return;
***************
*** 472,478 ****
            rettv->v_type = VAR_BLOB;
            rettv->vval.v_blob = blob;
  
!           mch_memmove(p + idx, p + end + 1, (size_t)(len - end));
            b->bv_ga.ga_len -= end - idx + 1;
        }
      }
--- 472,479 ----
            rettv->v_type = VAR_BLOB;
            rettv->vval.v_blob = blob;
  
!           if (len - end - 1 > 0)
!               mch_memmove(p + idx, p + end + 1, (size_t)(len - end - 1));
            b->bv_ga.ga_len -= end - idx + 1;
        }
      }
*** ../vim-8.2.2778/src/version.c       2021-04-17 21:04:22.054657370 +0200
--- src/version.c       2021-04-17 21:21:13.735511442 +0200
***************
*** 752,753 ****
--- 752,755 ----
  {   /* Add new patch number below this line */
+ /**/
+     2779,
  /**/

-- 
Amnesia is one of my favorite words, but I forgot what it means.

 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
///                                                                      \\\
\\\        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///

-- 
-- 
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 [email protected].
To view this discussion on the web visit 
https://groups.google.com/d/msgid/vim_dev/202104171923.13HJNFWw129084%40masaka.moolenaar.net.

Raspunde prin e-mail lui