Kumar Kartikeya Dwivedi 92274e24b0 libbpf: Use O_CLOEXEC uniformly when opening fds ...

There are some instances where we don't use O_CLOEXEC when opening an
fd, fix these up. Otherwise, it is possible that a parallel fork causes
these fds to leak into a child process on execve.

Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211028063501.2239335-6-memxor@gmail.com

2021-10-28 16:30:07 -07:00

8.7 KiB

Raw Blame History

View Raw