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| author | Chuck Lever <chuck.lever@oracle.com> | 2023-09-21 16:07:40 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-10-02 22:34:21 +0300 |
| commit | a6b07a51b161ba1ad3d81919955fe77b697f9d48 (patch) | |
| tree | 69b5a338fb249d8f73322b1824c2e335da11af8b /net/handshake | |
| parent | af54c197a90b804b57eb7ae4256aaeb5c46216c5 (diff) | |
| download | linux-a6b07a51b161ba1ad3d81919955fe77b697f9d48.tar.xz | |
handshake: Fix sign of socket file descriptor fields
Socket file descriptors are signed integers. Use nla_get/put_s32 for
those to avoid implicit signed conversion in the netlink protocol.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/169530165057.8905.8650469415145814828.stgit@oracle-102.nfsv4bat.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/handshake')
| -rw-r--r-- | net/handshake/genl.c | 2 | ||||
| -rw-r--r-- | net/handshake/netlink.c | 2 | ||||
| -rw-r--r-- | net/handshake/tlshd.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/net/handshake/genl.c b/net/handshake/genl.c index 233be5cbfec9..f55d14d7b726 100644 --- a/net/handshake/genl.c +++ b/net/handshake/genl.c @@ -18,7 +18,7 @@ static const struct nla_policy handshake_accept_nl_policy[HANDSHAKE_A_ACCEPT_HAN /* HANDSHAKE_CMD_DONE - do */ static const struct nla_policy handshake_done_nl_policy[HANDSHAKE_A_DONE_REMOTE_AUTH + 1] = { [HANDSHAKE_A_DONE_STATUS] = { .type = NLA_U32, }, - [HANDSHAKE_A_DONE_SOCKFD] = { .type = NLA_U32, }, + [HANDSHAKE_A_DONE_SOCKFD] = { .type = NLA_S32, }, [HANDSHAKE_A_DONE_REMOTE_AUTH] = { .type = NLA_U32, }, }; diff --git a/net/handshake/netlink.c b/net/handshake/netlink.c index d0bc1dd8e65a..64a0046dd611 100644 --- a/net/handshake/netlink.c +++ b/net/handshake/netlink.c @@ -163,7 +163,7 @@ int handshake_nl_done_doit(struct sk_buff *skb, struct genl_info *info) if (GENL_REQ_ATTR_CHECK(info, HANDSHAKE_A_DONE_SOCKFD)) return -EINVAL; - fd = nla_get_u32(info->attrs[HANDSHAKE_A_DONE_SOCKFD]); + fd = nla_get_s32(info->attrs[HANDSHAKE_A_DONE_SOCKFD]); sock = sockfd_lookup(fd, &err); if (!sock) diff --git a/net/handshake/tlshd.c b/net/handshake/tlshd.c index bbfb4095ddd6..7ac80201aa1f 100644 --- a/net/handshake/tlshd.c +++ b/net/handshake/tlshd.c @@ -214,7 +214,7 @@ static int tls_handshake_accept(struct handshake_req *req, goto out_cancel; ret = -EMSGSIZE; - ret = nla_put_u32(msg, HANDSHAKE_A_ACCEPT_SOCKFD, fd); + ret = nla_put_s32(msg, HANDSHAKE_A_ACCEPT_SOCKFD, fd); if (ret < 0) goto out_cancel; ret = nla_put_u32(msg, HANDSHAKE_A_ACCEPT_MESSAGE_TYPE, treq->th_type); |