diff options
| author |   Stanislav Fomichev <sdf@google.com> | 2020-12-02 09:25:15 -0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2020-12-02 13:25:11 -0800 |
| commit | 427167c0b064ed898b848209add62b4322ec7840 (patch) | |
| tree | 7708fccc1fae344093e5835ee142118a1a251c2b /net/ipv6 | |
| parent | selftests/bpf: Rewrite test_sock_addr bind bpf into C (diff) | |
| download | linux-dev-427167c0b064ed898b848209add62b4322ec7840.tar.xz linux-dev-427167c0b064ed898b848209add62b4322ec7840.zip | |
bpf: Allow bpf_{s,g}etsockopt from cgroup bind{4,6} hooks
I have to now lock/unlock socket for the bind hook execution.
That shouldn't cause any overhead because the socket is unbound
and shouldn't receive any traffic.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrey Ignatov <rdna@fb.com>
Link: https://lore.kernel.org/bpf/20201202172516.3483656-3-sdf@google.com
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/af_inet6.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index e648fbebb167..a7e3d170af51 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -451,7 +451,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) /* BPF prog is run before any checks are done so that if the prog * changes context in a wrong way it will be caught. */ - err = BPF_CGROUP_RUN_PROG_INET6_BIND(sk, uaddr); + err = BPF_CGROUP_RUN_PROG_INET6_BIND_LOCK(sk, uaddr); if (err) return err; |