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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@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jakub Kicinski 2022-03-09 10:29:13 -08:00 committed by Greg Kroah-Hartman
parent d804db3daf
commit 601f748029
1 changed files with 1 additions and 1 deletions
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2
net/core/rtnetlink.c
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@ -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;