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| author |   Alexei Starovoitov <ast@kernel.org> | 2018-01-17 16:52:02 -0800 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2018-01-18 22:37:58 +0100 |
| commit | 61f3c964dfd287b05d7ac6660a4f4ddfef84786c (patch) | |
| tree | 08e694284faafaea533e9ca894ca9564a16bcc27 /kernel | |
| parent | bpf: Sync kernel ABI header with tooling header (diff) | |
| download | linux-dev-61f3c964dfd287b05d7ac6660a4f4ddfef84786c.tar.xz linux-dev-61f3c964dfd287b05d7ac6660a4f4ddfef84786c.zip | |
bpf: allow socket_filter programs to use bpf_prog_test_run
in order to improve test coverage allow socket_filter program type
to be run via bpf_prog_test_run command.
Since such programs can be loaded by non-root tighten
permissions for bpf_prog_test_run to be root only
to avoid surprises.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bpf/syscall.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index c28524483bf4..97a825ffc763 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -1504,6 +1504,8 @@ static int bpf_prog_test_run(const union bpf_attr *attr, struct bpf_prog *prog; int ret = -ENOTSUPP; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; if (CHECK_ATTR(BPF_PROG_TEST_RUN)) return -EINVAL; |