Acked-by: Shirish Pargaonkar <spargaonkar@xxxxxxxx>
On Sat, Jul 26, 2014 at 5:28 PM, Rickard Strandqvist
<rickard_strandqvist@xxxxxxxxxxxxxxxxxx> wrote:
> If you are going to use memset before strncpy you must copy sizeof -1
>
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
> ---
> fs/cifs/cifsencrypt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
> index 4934347..dcca8b3 100644
> --- 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);
>
> if (!encrypt && global_secflags & CIFSSEC_MAY_PLNTXT) {
> memcpy(lnm_session_key, password_with_pad,
> --
> 1.7.10.4
>
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