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-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20230123181752.1068-2-jaka@linux.ibm.com>
Date:   Mon, 23 Jan 2023 19:17:45 +0100
From:   Jan Karcher <jaka@...ux.ibm.com>
To:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     netdev@...r.kernel.org, linux-s390@...r.kernel.org,
        Heiko Carstens <hca@...ux.ibm.com>,
        Alexandra Winter <wintera@...ux.ibm.com>,
        Wenjia Zhang <wenjia@...ux.ibm.com>,
        Thorsten Winkler <twinkler@...ux.ibm.com>,
        Stefan Raspl <raspl@...ux.ibm.com>,
        Karsten Graul <kgraul@...ux.ibm.com>,
        Jan Karcher <jaka@...ux.ibm.com>,
        Nils Hoppmann <niho@...ux.ibm.com>,
        Halil Pasic <pasic@...ux.ibm.com>,
        Tony Lu <tonylu@...ux.alibaba.com>,
        Wen Gu <guwen@...ux.alibaba.com>
Subject: [net-next v2 1/8] net/smc: Terminate connections prior to device removal

From: Stefan Raspl <raspl@...ux.ibm.com>

Removing an ISM device prior to terminating its associated connections
doesn't end well.

Signed-off-by: Stefan Raspl <raspl@...ux.ibm.com>
Signed-off-by: Jan Karcher <jaka@...ux.ibm.com>
Signed-off-by: Wenjia Zhang <wenjia@...ux.ibm.com>
---
 net/smc/smc_ism.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/smc/smc_ism.c b/net/smc/smc_ism.c
index 911fe08bc54b..28e1641f990c 100644
--- a/net/smc/smc_ism.c
+++ b/net/smc/smc_ism.c
@@ -462,11 +462,11 @@ void smcd_unregister_dev(struct smcd_dev *smcd)
 {
 	pr_warn_ratelimited("smc: removing smcd device %s\n",
 			    dev_name(&smcd->dev));
+	smcd->going_away = 1;
+	smc_smcd_terminate_all(smcd);
 	mutex_lock(&smcd_dev_list.mutex);
 	list_del_init(&smcd->list);
 	mutex_unlock(&smcd_dev_list.mutex);
-	smcd->going_away = 1;
-	smc_smcd_terminate_all(smcd);
 	destroy_workqueue(smcd->event_wq);
 
 	device_del(&smcd->dev);
-- 
2.25.1

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ