| commit | 647b35aaf454271d68067d4bf05154095fe63f93 | [log] [tgz] |
|---|---|---|
| author | Harold Huang <baymaxhuang@gmail.com> | Thu Mar 03 10:24:40 2022 +0800 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Wed Apr 13 21:00:59 2022 +0200 |
| tree | 593ffd0a987ce224db12de81d09e622c315a0a3d | |
| parent | 797b4ea9515eb01ec9b79f9319abc5ac4fc7087d [diff] |
tuntap: add sanity checks about msg_controllen in sendmsg [ Upstream commit 74a335a07a17d131b9263bfdbdcb5e40673ca9ca ] In patch [1], tun_msg_ctl was added to allow pass batched xdp buffers to tun_sendmsg. Although we donot use msg_controllen in this path, we should check msg_controllen to make sure the caller pass a valid msg_ctl. [1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fe8dd45bb7556246c6b76277b1ba4296c91c2505 Reported-by: Eric Dumazet <eric.dumazet@gmail.com> Suggested-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Harold Huang <baymaxhuang@gmail.com> Acked-by: Jason Wang <jasowang@redhat.com> Link: https://lore.kernel.org/r/20220303022441.383865-1-baymaxhuang@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>