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BACKPORT: bpf: Introduce BPF_PROG_TYPE_LSM

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Introduce types and configs for bpf programs that can be attached to
LSM hooks. The programs can be enabled by the config option
CONFIG_BPF_LSM.

Change-Id: Ie7291711b29787053877d19870fcd1f66deb95c9
Signed-off-by: KP Singh <kpsingh@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Brendan Jackman <jackmanb@google.com>
Reviewed-by: Florent Revest <revest@google.com>
Reviewed-by: Thomas Garnier <thgarnie@google.com>
Acked-by: Yonghong Song <yhs@fb.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: James Morris <jamorris@linux.microsoft.com>
Link: https://lore.kernel.org/bpf/20200329004356.27286-2-kpsingh@chromium.org
This commit is contained in:
KP Singh 2020-03-29 01:43:49 +01:00 • committed by basamaryan
commit c34d35e7a6
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GPG key ID: 210D5384FB2A5885
10 changed files with 49 additions and 6 deletions
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2
include/uapi/linux/bpf.h
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@ -181,6 +181,7 @@ enum bpf_prog_type {
BPF_PROG_TYPE_TRACING,
BPF_PROG_TYPE_STRUCT_OPS,
BPF_PROG_TYPE_EXT,
BPF_PROG_TYPE_LSM,
};
enum bpf_attach_type {
@ -211,6 +212,7 @@ enum bpf_attach_type {
BPF_TRACE_FENTRY,
BPF_TRACE_FEXIT,
BPF_MODIFY_RETURN,
BPF_LSM_MAC,
__MAX_BPF_ATTACH_TYPE
};