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patch 9.0.0949: crash when unletting a variable while listing variables

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Problem:    Crash when unletting a variable while listing variables.
Solution:   Disallow changing a hashtable while going over the entries.
            (closes #11435)
This commit is contained in:
Bram Moolenaar
2022-11-25 16:31:51 +00:00
parent c1cf4c9107
commit ef2c325f5e
21 changed files with 143 additions and 68 deletions
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2
src/terminal.c
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@@ -1020,7 +1020,7 @@ term_write_session(FILE *fd, win_T *wp, hashtab_T *terminal_bufs)
char *hash_key = alloc(NUMBUFLEN);
vim_snprintf(hash_key, NUMBUFLEN, "%d", bufnr);
hash_add(terminal_bufs, (char_u *)hash_key);
hash_add(terminal_bufs, (char_u *)hash_key, "terminal session");
}
return put_eol(fd);