diff options
| author | Eric Dumazet <[email protected]> | 2024-02-09 18:12:48 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2024-02-12 17:38:52 -0800 |
| commit | 9f30831390ede02d9fcd54fd9ea5a585ab649f4a (patch) | |
| tree | 70b567aaec747d3817da0e850aacc8967d2e9ae8 /lib | |
| parent | 3e36031cc0540ca97b615cbb940331892cbd3d21 (diff) | |
net: add rcu safety to rtnl_prop_list_size()
rtnl_prop_list_size() can be called while alternative names
are added or removed concurrently.
if_nlmsg_size() / rtnl_calcit() can indeed be called
without RTNL held.
Use explicit RCU protection to avoid UAF.
Fixes: 88f4fb0c7496 ("net: rtnetlink: put alternative names to getlink message")
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Jiri Pirko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions