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cifs: Use kzfree() to zero out the password

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[ Upstream commit 478228e57f ]

It's safer to zero out the password so that it can never be disclosed.

Fixes: 0c219f5799c7 ("cifs: set domainName when a domain-key is used in multiuser")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter
2019-08-27 13:59:17 +03:00
committed by Greg Kroah-Hartman
parent 325fa2a672
commit b62946852a
1 changed files with 1 additions and 1 deletions
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2
fs/cifs/connect.c
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@@ -2876,7 +2876,7 @@ cifs_set_cifscreds(struct smb_vol *vol, struct cifs_ses *ses)
rc = -ENOMEM;
kfree(vol->username);
vol->username = NULL;
kfree(vol->password);
kzfree(vol->password);
vol->password = NULL;
goto out_key_put;
}