linux-kernel - [PATCH] nvme-tcp: Fix a memory leak

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <f9420cde9afdc5af40bf8a8d5aa9184a9b5da729.1698614556.git.christophe.jaillet@wanadoo.fr>
Date:   Sun, 29 Oct 2023 22:22:57 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...nel.dk>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        Hannes Reinecke <hare@...e.de>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-nvme@...ts.infradead.org
Subject: [PATCH] nvme-tcp: Fix a memory leak

All error handling path end to the error handling path, except this one.
Go to the error handling branch as well here, otherwise 'icreq' and
'icresp' will leak.

Fixes: 2837966ab2a8 ("nvme-tcp: control message handling for recvmsg()")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/nvme/host/tcp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index 4714a902f4ca..3c35c37112e6 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -1429,7 +1429,8 @@ static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue)
 		if (ctype != TLS_RECORD_TYPE_DATA) {
 			pr_err("queue %d: unhandled TLS record %d\n",
 			       nvme_tcp_queue_id(queue), ctype);
-			return -ENOTCONN;
+			ret = -ENOTCONN;
+			goto free_icresp;
 		}
 	}
 	ret = -EINVAL;
-- 
2.34.1