[Bugs] [Bug 1363613] Crash of glusterd when force-creating geo-replication

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1363613



--- Comment #4 from Mrten <bugzilla at ii.nl> ---
I think I got it: slave_vol_config struct is a 

struct slave_vol_config {
       char      old_slvhost[_POSIX_HOST_NAME_MAX+1];
       char      old_slvuser[_POSIX_LOGIN_NAME_MAX];
       unsigned  old_slvidx;
       char      slave_voluuid[GF_UUID_BUF_SIZE];
};

and _POSIX_LOGIN_NAME_MAX is ... 9.

my login name is 14 characters long, so, crash.

I'd suggest using LOGIN_NAME_MAX instead of _POSIX_LOGIN_NAME_MAX, which is 256
long.

Don't switch the _POSIX_HOST_NAME_MAX to HOST_NAME_MAX though, that's 255 vs
64.

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