2015-11-10 21:04 GMT+03:00 Bram Moolenaar <[email protected]>:
>
> Patch 7.4.916
> Problem: When running out of memory while copying a dict memory may be
> freed twice. (ZyX)
It was not “twice freeing” (though you may see this problem under some
circumstances), it was “use after free”.
> Solution: Do not call the garbage collector when running out of memory.
> Files: src/misc2.c
>
>
> *** ../vim-7.4.915/src/misc2.c 2015-09-29 12:08:39.333321460 +0200
> --- src/misc2.c 2015-11-10 19:00:23.267871297 +0100
> ***************
> *** 952,960 ****
>
> clear_sb_text(); /* free any scrollback text */
> try_again = mf_release_all(); /* release as many blocks as possible */
> - #ifdef FEAT_EVAL
> - try_again |= garbage_collect(); /* cleanup recursive lists/dicts */
> - #endif
>
> releasing = FALSE;
> if (!try_again)
> --- 952,957 ----
> *** ../vim-7.4.915/src/version.c 2015-11-10 17:50:20.717430483 +0100
> --- src/version.c 2015-11-10 19:00:39.775708047 +0100
> ***************
> *** 743,744 ****
> --- 743,746 ----
> { /* Add new patch number below this line */
> + /**/
> + 916,
> /**/
>
> --
> I AM THANKFUL...
> ...for the taxes that I pay because it means that I am employed.
>
> /// 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 ///
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>
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