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| author | Ilya Dryomov <idryomov@gmail.com> | 2016-12-02 16:35:06 +0100 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2016-12-12 23:09:19 +0100 |
| commit | 36721ece1e84a25130c4befb930509b3f96de020 (patch) | |
| tree | 1ea0575d5e221a3ae900816516c6ea2098df3480 /net/ceph | |
| parent | Linux 4.9 (diff) | |
| download | linux-36721ece1e84a25130c4befb930509b3f96de020.tar.xz linux-36721ece1e84a25130c4befb930509b3f96de020.zip | |
libceph: ceph_x_encrypt_buflen() takes in_len
Pass what's going to be encrypted - that's msg_b, not ticket_blob.
ceph_x_encrypt_buflen() returns the upper bound, so this doesn't change
the maxlen calculation, but makes it a bit clearer.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Sage Weil <sage@redhat.com>
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/auth_x.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c index a0905f04bd13..4d14dc8c7746 100644 --- a/net/ceph/auth_x.c +++ b/net/ceph/auth_x.c @@ -308,8 +308,8 @@ static int ceph_x_build_authorizer(struct ceph_auth_client *ac, if (ret) goto out_au; - maxlen = sizeof(*msg_a) + sizeof(msg_b) + - ceph_x_encrypt_buflen(ticket_blob_len); + maxlen = sizeof(*msg_a) + ticket_blob_len + + ceph_x_encrypt_buflen(sizeof(msg_b)); dout(" need len %d\n", maxlen); if (au->buf && au->buf->alloc_len < maxlen) { ceph_buffer_put(au->buf); @@ -350,11 +350,12 @@ static int ceph_x_build_authorizer(struct ceph_auth_client *ac, p, end - p); if (ret < 0) goto out_au; + p += ret; + WARN_ON(p > end); au->buf->vec.iov_len = p - au->buf->vec.iov_base; dout(" built authorizer nonce %llx len %d\n", au->nonce, (int)au->buf->vec.iov_len); - BUG_ON(au->buf->vec.iov_len > maxlen); return 0; out_au: |