From: Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx>
commit 1438f5d07b9a7afb15e1d0e26df04a6fd4e56a3c upstream.
A call to rtnl_nets_destroy() is needed to release references taken on
netns put in rtnl_nets.
CC: stable@xxxxxxxxxxxxxxx
Fixes: 636af13f213b ("rtnetlink: Register rtnl_dellink() and rtnl_setlink() with RTNL_FLAG_DOIT_PERNET_WIP.")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx>
Reviewed-by: Kuniyuki Iwashima <kuniyu@xxxxxxxxxx>
Link: https://patch.msgid.link/20250205221037.2474426-1-nicolas.dichtel@xxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/core/rtnetlink.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3423,6 +3423,7 @@ static int rtnl_setlink(struct sk_buff *
err = -ENODEV;
rtnl_nets_unlock(&rtnl_nets);
+ rtnl_nets_destroy(&rtnl_nets);
errout:
return err;
}
Patches currently in stable-queue which might be from nicolas.dichtel@xxxxxxxxx are
queue-6.13/rtnetlink-fix-netns-leak-with-rtnl_setlink.patch
