Re: [PATCH bpf-next v5 5/8] libbpf: Use O_CLOEXEC uniformly when opening fds
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From: Andrii Nakryiko <hidden>
Date: 2021-10-28 18:04:35
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bpf
On Wed, Oct 27, 2021 at 11:35 PM Kumar Kartikeya Dwivedi [off-list ref] wrote:
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> ---
Acked-by: Andrii Nakryiko <andrii@kernel.org>
tools/lib/bpf/btf.c | 2 +- tools/lib/bpf/libbpf.c | 6 +++--- tools/lib/bpf/libbpf_probes.c | 2 +- tools/lib/bpf/linker.c | 4 ++-- tools/lib/bpf/xsk.c | 6 +++--- 5 files changed, 10 insertions(+), 10 deletions(-)
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