diff options
| author | Jordan Rife | 2023-10-04 18:38:27 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2023-10-19 23:08:56 +0200 |
| commit | 086d885c200df1842dcfa33d7abbda7d825075a9 (patch) | |
| tree | dd3d21d61702f18922fff5c920d272f0baf07114 /net/ceph | |
| parent | 8ac2689502f986a46f4221e239d4ff2897f1ccb3 (diff) | |
libceph: use kernel_connect()
commit 7563cf17dce0a875ba3d872acdc63a78ea344019 upstream.
Direct calls to ops->connect() can overwrite the address parameter when
used in conjunction with BPF SOCK_ADDR hooks. Recent changes to
kernel_connect() ensure that callers are insulated from such side
effects. This patch wraps the direct call to ops->connect() with
kernel_connect() to prevent unexpected changes to the address passed to
ceph_tcp_connect().
This change was originally part of a larger patch targeting the net tree
addressing all instances of unprotected calls to ops->connect()
throughout the kernel, but this change was split up into several patches
targeting various trees.
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/netdev/20230821100007.559638-1-jrife@google.com/
Link: https://lore.kernel.org/netdev/9944248dba1bce861375fcce9de663934d933ba9.camel@redhat.com/
Fixes: d74bad4e74ee ("bpf: Hooks for sys_connect")
Signed-off-by: Jordan Rife <jrife@google.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/messenger.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 09feb3f1fcaa..b9b64a2427ca 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -454,8 +454,8 @@ int ceph_tcp_connect(struct ceph_connection *con) set_sock_callbacks(sock, con); con_sock_state_connecting(con); - ret = sock->ops->connect(sock, (struct sockaddr *)&ss, sizeof(ss), - O_NONBLOCK); + ret = kernel_connect(sock, (struct sockaddr *)&ss, sizeof(ss), + O_NONBLOCK); if (ret == -EINPROGRESS) { dout("connect %s EINPROGRESS sk_state = %u\n", ceph_pr_addr(&con->peer_addr), |