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  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]
Date:	Wed,  7 Oct 2015 08:53:43 -0700
From:	Santosh Shilimkar <santosh.shilimkar@...cle.com>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, linux-kernel@...r.kernel.org,
	ssantosh@...nel.org,
	Santosh Shilimkar <santosh.shilimkar@...cle.com>
Subject: [PATCH v4 09/14] RDS: IB: handle rds_ibdev release case instead of crashing the kernel

Just in case we are still handling the QP receive completion while the
rds_ibdev is released, drop the connection instead of crashing the kernel.

Signed-off-by: Santosh Shilimkar <ssantosh@...nel.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@...cle.com>
---
 net/rds/ib_cm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index 8f51d0d..2b2370e 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -285,7 +285,8 @@ static void rds_ib_tasklet_fn_recv(unsigned long data)
 	struct rds_ib_device *rds_ibdev = ic->rds_ibdev;
 	struct rds_ib_ack_state state;
 
-	BUG_ON(!rds_ibdev);
+	if (!rds_ibdev)
+		rds_conn_drop(conn);
 
 	rds_ib_stats_inc(s_ib_tasklet_call);
 
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists