From 6062df0326d11dcf40c21bc2875420d53d9cbd0e Mon Sep 17 00:00:00 2001
From: "Andrey V. Elsukov" <ae@FreeBSD.org>
Date: Thu, 13 Dec 2018 08:59:51 +0000
Subject: [PATCH] Plug memory leak for AES_*_NIST_GMAC algorithms.

swcr_newsession() allocates sw_ictx for these algorithms, thus we need
to free() it in swcr_freesession().

PR:		233907
MFC after:	1 week
---
 sys/opencrypto/cryptosoft.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/opencrypto/cryptosoft.c b/sys/opencrypto/cryptosoft.c
index 0a5a20640a66..431628df198c 100644
--- a/sys/opencrypto/cryptosoft.c
+++ b/sys/opencrypto/cryptosoft.c
@@ -1091,6 +1091,9 @@ swcr_freesession(device_t dev, crypto_session_t cses)
 		case CRYPTO_SHA2_256:
 		case CRYPTO_SHA2_384:
 		case CRYPTO_SHA2_512:
+		case CRYPTO_AES_128_NIST_GMAC:
+		case CRYPTO_AES_192_NIST_GMAC:
+		case CRYPTO_AES_256_NIST_GMAC:
 			axf = swd->sw_axf;
 
 			if (swd->sw_ictx) {