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| author |   Eric Dumazet <edumazet@google.com> | 2025-02-07 13:58:35 +0000 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2025-02-10 18:09:09 -0800 |
| commit | becbd5850c03ed33b232083dd66c6e38c0c0e569 (patch) | |
| tree | 891e5c54b787fc9a65016b45af5b01c6f7a6ee63 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | ndisc: use RCU protection in ndisc_alloc_skb() (diff) | |
| download | wireguard-linux-becbd5850c03ed33b232083dd66c6e38c0c0e569.tar.xz wireguard-linux-becbd5850c03ed33b232083dd66c6e38c0c0e569.zip | |
neighbour: use RCU protection in __neigh_notify()
__neigh_notify() can be called without RTNL or RCU protection.
Use RCU protection to avoid potential UAF.
Fixes: 426b5303eb43 ("[NETNS]: Modify the neighbour table code so it handles multiple network namespaces")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250207135841.1948589-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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