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authorAlexei Starovoitov <ast@kernel.org>2019-08-22 22:52:12 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2019-08-28 00:30:11 +0200
commit10d274e880eb208ec6a76261a9f8f8155020f771 (patch)
tree5188b50b171df8b2d1528ec60d2ec69cb2e775d5 /kernel/bpf/syscall.c
parenttools: bpftool: add "bpftool map freeze" subcommand (diff)
downloadlinux-dev-10d274e880eb208ec6a76261a9f8f8155020f771.tar.xz
linux-dev-10d274e880eb208ec6a76261a9f8f8155020f771.zip
bpf: introduce verifier internal test flag
Introduce BPF_F_TEST_STATE_FREQ flag to stress test parentage chain and state pruning. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'kernel/bpf/syscall.c')
-rw-r--r--kernel/bpf/syscall.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index c0f62fd67c6b..ca60eafa6922 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -1629,6 +1629,7 @@ static int bpf_prog_load(union bpf_attr *attr, union bpf_attr __user *uattr)
if (attr->prog_flags & ~(BPF_F_STRICT_ALIGNMENT |
BPF_F_ANY_ALIGNMENT |
+ BPF_F_TEST_STATE_FREQ |
BPF_F_TEST_RND_HI32))
return -EINVAL;