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| author | Eric Dumazet <edumazet@google.com> | 2025-02-07 13:58:39 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-21 14:01:43 +0100 |
| commit | 789230e5a8c1097301afc802e242c79bc8835c67 (patch) | |
| tree | 93c3083d131f419ed3ecf0cda40cedacc24bf263 /scripts/objdiff | |
| parent | a849a10de5e04d798f7f286a2f1ca174719a617a (diff) | |
| download | linux-789230e5a8c1097301afc802e242c79bc8835c67.tar.gz linux-789230e5a8c1097301afc802e242c79bc8835c67.tar.bz2 linux-789230e5a8c1097301afc802e242c79bc8835c67.zip | |
ndisc: extend RCU protection in ndisc_send_skb()
[ Upstream commit ed6ae1f325d3c43966ec1b62ac1459e2b8e45640 ]
ndisc_send_skb() can be called without RTNL or RCU held.
Acquire rcu_read_lock() earlier, so that we can use dev_net_rcu()
and avoid a potential UAF.
Fixes: 1762f7e88eb3 ("[NETNS][IPV6] ndisc - make socket control per namespace")
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/20250207135841.1948589-8-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'scripts/objdiff')
0 files changed, 0 insertions, 0 deletions