linux-kernel - [PATCH 4.13 143/160] dm crypt: fix memory leak in crypt_ctr_cipher

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Date:   Tue, 10 Oct 2017 21:51:11 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jeffy Chen <jeffy.chen@...k-chips.com>,
        Mike Snitzer <snitzer@...hat.com>
Subject: [PATCH 4.13 143/160] dm crypt: fix memory leak in crypt_ctr_cipher_old()

4.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jeffy Chen <jeffy.chen@...k-chips.com>

commit bd86e32059526e2d0d13ca1e4447dfbbddb6e5cc upstream.

Fix memory leak of cipher_api.

Fixes: 33d2f09fcb35 (dm crypt: introduce new format of cipher with "capi:" prefix)
Signed-off-by: Jeffy Chen <jeffy.chen@...k-chips.com>
Signed-off-by: Mike Snitzer <snitzer@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/md/dm-crypt.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -2470,6 +2470,7 @@ static int crypt_ctr_cipher_old(struct d
 		kfree(cipher_api);
 		return ret;
 	}
+	kfree(cipher_api);
 
 	return 0;
 bad_mem: