[v1] team: fix qom_list corruption by using list_del_init_rcu()

[PATCH] team: fix qom_list corruption by using list_del_init_rcu()

Dharanitharan R posted 1 patch 1 week, 5 days ago

Diff against v1 v2
Download mbox

There is a newer version of this series

drivers/net/team/team_core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

Expand all Fold all

[PATCH] team: fix qom_list corruption by using list_del_init_rcu()

Posted by Dharanitharan R 1 week, 5 days ago

Reported-by: syzbot+422806e5f4cce722a71f@syzkaller.appspotmail.com
Signed-off-by: Dharanitharan R <dharanitharan725@gmail.com>
---
 drivers/net/team/team_core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/team/team_core.c b/drivers/net/team/team_core.c
index 4d5c9ae8f221..d6d724b52dbf 100644
--- a/drivers/net/team/team_core.c
+++ b/drivers/net/team/team_core.c
@@ -823,7 +823,8 @@ static void __team_queue_override_port_del(struct team *team,
 {
 	if (!port->queue_id)
 		return;
-	list_del_rcu(&port->qom_list);
+	/* Ensure safe repeated deletion */
+	list_del_init_rcu(&port->qom_list);
 }
 
 static bool team_queue_override_port_has_gt_prio_than(struct team_port *port,
-- 
2.43.0