Chris Webb wrote:
> home_replace() calls vim_strchr() on the result of mch_getenv("HOME")
> without checking for a NULL value. If $HOME is unset, this causes a segfault
> reproducible with 'env -i src/vim /etc/passwd'. (Introduced in v7-3-559.)
>
> Fix by guarding vim_strstr(homedir_env, ...) with homedir_env != NULL.
Thanks, I'll include it right away.
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