Re: [PATCH] fs: cifs: cifsencrypt.c: Cleaning up missing null-terminate in conjunction with strncpy

From: Joe Perches
Date: Sat Aug 02 2014 - 13:33:35 EST


On Sat, 2014-08-02 at 11:55 -0500, Shirish Pargaonkar wrote:
> Acked-by: Shirish Pargaonkar <spargaonkar@xxxxxxxx>
[]
> > diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
[]
> > @@ -307,7 +307,7 @@ int calc_lanman_hash(const char *password, const char *cryptkey, bool encrypt,
> >
> > memset(password_with_pad, 0, CIFS_ENCPWD_SIZE);
> > if (password)
> > - strncpy(password_with_pad, password, CIFS_ENCPWD_SIZE);
> > + strncpy(password_with_pad, password, CIFS_ENCPWD_SIZE - 1);


Is this always correct?


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