This is a note to let you know that I've just added the patch titled
net: account alternate interface name memory
to the 5.16-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-account-alternate-interface-name-memory.patch
and it can be found in the queue-5.16 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c60b8467570cae4ee74ebc85d7e99677d4d76a48
Author: Jakub Kicinski <kuba@xxxxxxxxxx>
Date: Wed Mar 9 10:29:13 2022 -0800
net: account alternate interface name memory
[ Upstream commit 5d26cff5bdbebdf98ba48217c078ff102536f134 ]
George reports that altnames can eat up kernel memory.
We should charge that memory appropriately.
Reported-by: George Shuklin <george.shuklin@xxxxxxxxx>
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 8b5c5703d758..6a7883ec0489 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3637,7 +3637,7 @@ static int rtnl_alt_ifname(int cmd, struct net_device *dev, struct nlattr *attr,
if (err)
return err;
- alt_ifname = nla_strdup(attr, GFP_KERNEL);
+ alt_ifname = nla_strdup(attr, GFP_KERNEL_ACCOUNT);
if (!alt_ifname)
return -ENOMEM;
