libbpf: Use SOCK_CLOEXEC when opening the netlink socket
[ Upstream commit 58bfd95b ] Otherwise, there exists a small window between the opening and closing of the socket fd where it may leak into processes launched by some other thread. Fixes: 949abbe8 ("libbpf: add function to setup XDP") Signed-off-by:Kumar Kartikeya Dwivedi <memxor@gmail.com> Signed-off-by:
Daniel Borkmann <daniel@iogearbox.net> Acked-by:
Toke Høiland-Jørgensen <toke@redhat.com> Link: https://lore.kernel.org/bpf/20210317115857.6536-1-memxor@gmail.com Signed-off-by:
Sasha Levin <sashal@kernel.org>
parent
7722378c
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