Patch 8.0.1446
Problem: Acessing freed memory after window command in auto command.
(gy741)
Solution: Adjust the pointer in the parent frame. (Christian Brabandt,
closes #2467)
Files: src/window.c, src/testdir/test_window_cmd.vim
*** ../vim-8.0.1445/src/window.c 2017-12-25 14:29:11.487240231 +0100
--- src/window.c 2018-01-31 18:56:23.170706874 +0100
***************
*** 2731,2736 ****
--- 2731,2738 ----
if (frp2->fr_win != NULL)
frp2->fr_win->w_frame = frp2->fr_parent;
frp = frp2->fr_parent;
+ if (topframe->fr_child == frp2)
+ topframe->fr_child = frp;
vim_free(frp2);
frp2 = frp->fr_parent;
***************
*** 2754,2759 ****
--- 2756,2763 ----
break;
}
}
+ if (topframe->fr_child == frp)
+ topframe->fr_child = frp2;
vim_free(frp);
}
}
***************
*** 3499,3505 ****
topframe = curwin->w_frame;
topframe->fr_width = Columns;
topframe->fr_height = Rows - p_ch;
- topframe->fr_win = curwin;
return OK;
}
--- 3503,3508 ----
***************
*** 4812,4818 ****
--- 4815,4826 ----
if (frp->fr_prev != NULL)
frp->fr_prev->fr_next = frp->fr_next;
else
+ {
frp->fr_parent->fr_child = frp->fr_next;
+ /* special case: topframe->fr_child == frp */
+ if (topframe->fr_child == frp)
+ topframe->fr_child = frp->fr_next;
+ }
if (frp->fr_next != NULL)
frp->fr_next->fr_prev = frp->fr_prev;
}
*** ../vim-8.0.1445/src/testdir/test_window_cmd.vim 2017-12-19
12:27:19.378404474 +0100
--- src/testdir/test_window_cmd.vim 2018-01-31 18:48:55.261727538 +0100
***************
*** 472,475 ****
--- 472,486 ----
exe "norm! v\<C-W>:\<C-U>echo v:version"
endfunc
+ func Test_access_freed_mem()
+ " This was accessing freed memory
+ au * 0 vs xxx
+ arg 0
+ argadd
+ all
+ all
+ au!
+ bwipe xxx
+ endfunc
+
" vim: shiftwidth=2 sts=2 expandtab
*** ../vim-8.0.1445/src/version.c 2018-01-31 15:48:01.105171594 +0100
--- src/version.c 2018-01-31 18:32:38.879981464 +0100
***************
*** 773,774 ****
--- 773,776 ----
{ /* Add new patch number below this line */
+ /**/
+ 1446,
/**/
--
The software said it requires Windows 95 or better, so I installed Linux.
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ an exciting new programming language -- http://www.Zimbu.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
--
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