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(parent: 4ac2add) | patch
bpf: sockmap: Check value of unused args to BPF_PROG_ATTACH
authorLorenz Bauer <lmb@cloudflare.com>
Mon, 29 Jun 2020 09:56:27 +0000 (10:56 +0100)
committerAlexei Starovoitov <ast@kernel.org>
Tue, 30 Jun 2020 17:46:39 +0000 (10:46 -0700)
commit9b2b09717e1812e450782a43ca0c2790651cf380
tree335fdf3b51260b4b2445c736b9ca24899b181bcdtree
parent4ac2add65974e4efafb8d4ccd8fc5660417ea312commit | diff
bpf: sockmap: Check value of unused args to BPF_PROG_ATTACH

Using BPF_PROG_ATTACH on a sockmap program currently understands no
flags or replace_bpf_fd, but accepts any value. Return EINVAL instead.

Fixes: 604326b41a6f ("bpf, sockmap: convert to generic sk_msg interface")
Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200629095630.7933-4-lmb@cloudflare.com
net/core/sock_map.c diff | blob | history
XArray, radix tree and IDR