diff options
| author | Stanislav Fomichev <sdf@google.com> | 2020-12-02 20:25:15 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-12-03 00:25:11 +0300 |
| commit | 427167c0b064ed898b848209add62b4322ec7840 (patch) | |
| tree | 7708fccc1fae344093e5835ee142118a1a251c2b /net/ipv4 | |
| parent | a999696c547f1a8ef2ddbb9b0e77abc3f6db4ff1 (diff) | |
| download | linux-427167c0b064ed898b848209add62b4322ec7840.tar.xz | |
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/ipv4')
| -rw-r--r-- | net/ipv4/af_inet.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index b7260c8cef2e..b94fa8eb831b 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -450,7 +450,7 @@ int inet_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_INET4_BIND(sk, uaddr); + err = BPF_CGROUP_RUN_PROG_INET4_BIND_LOCK(sk, uaddr); if (err) return err; |