From: Eric Dumazet <edumazet@google.com> mainline inclusion from mainline-v6.9-rc1 commit db5914695a84a7b128ec2e4e9272e6e8091753e1 category: performance bugzilla: https://gitee.com/openeuler/kernel/issues/ICITYB CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... ------------------------------------------------- Following patch is going to use RCU instead of inet_diag_table_mutex acquisition. This patch is a preparation, no change of behavior yet. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Guillaume Nault <gnault@redhat.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Liu Jian <liujian56@huawei.com> --- include/linux/inet_diag.h | 1 + net/dccp/diag.c | 1 + net/ipv4/raw_diag.c | 1 + net/ipv4/tcp_diag.c | 1 + net/ipv4/udp_diag.c | 2 ++ net/mptcp/mptcp_diag.c | 1 + net/sctp/diag.c | 1 + 7 files changed, 8 insertions(+) diff --git a/include/linux/inet_diag.h b/include/linux/inet_diag.h index 84abb30a3fbb..a9033696b0aa 100644 --- a/include/linux/inet_diag.h +++ b/include/linux/inet_diag.h @@ -8,6 +8,7 @@ struct inet_hashinfo; struct inet_diag_handler { + struct module *owner; void (*dump)(struct sk_buff *skb, struct netlink_callback *cb, const struct inet_diag_req_v2 *r); diff --git a/net/dccp/diag.c b/net/dccp/diag.c index 8a82c5a2c5a8..f5019d95c3ae 100644 --- a/net/dccp/diag.c +++ b/net/dccp/diag.c @@ -58,6 +58,7 @@ static int dccp_diag_dump_one(struct netlink_callback *cb, } static const struct inet_diag_handler dccp_diag_handler = { + .owner = THIS_MODULE, .dump = dccp_diag_dump, .dump_one = dccp_diag_dump_one, .idiag_get_info = dccp_diag_get_info, diff --git a/net/ipv4/raw_diag.c b/net/ipv4/raw_diag.c index fe2140c8375c..cc793bd8de25 100644 --- a/net/ipv4/raw_diag.c +++ b/net/ipv4/raw_diag.c @@ -213,6 +213,7 @@ static int raw_diag_destroy(struct sk_buff *in_skb, #endif static const struct inet_diag_handler raw_diag_handler = { + .owner = THIS_MODULE, .dump = raw_diag_dump, .dump_one = raw_diag_dump_one, .idiag_get_info = raw_diag_get_info, diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c index 4cbe4b44425a..f428ecf9120f 100644 --- a/net/ipv4/tcp_diag.c +++ b/net/ipv4/tcp_diag.c @@ -222,6 +222,7 @@ static int tcp_diag_destroy(struct sk_buff *in_skb, #endif static const struct inet_diag_handler tcp_diag_handler = { + .owner = THIS_MODULE, .dump = tcp_diag_dump, .dump_one = tcp_diag_dump_one, .idiag_get_info = tcp_diag_get_info, diff --git a/net/ipv4/udp_diag.c b/net/ipv4/udp_diag.c index dc41a22ee80e..38cb3a28e4ed 100644 --- a/net/ipv4/udp_diag.c +++ b/net/ipv4/udp_diag.c @@ -237,6 +237,7 @@ static int udplite_diag_destroy(struct sk_buff *in_skb, #endif static const struct inet_diag_handler udp_diag_handler = { + .owner = THIS_MODULE, .dump = udp_diag_dump, .dump_one = udp_diag_dump_one, .idiag_get_info = udp_diag_get_info, @@ -260,6 +261,7 @@ static int udplite_diag_dump_one(struct netlink_callback *cb, } static const struct inet_diag_handler udplite_diag_handler = { + .owner = THIS_MODULE, .dump = udplite_diag_dump, .dump_one = udplite_diag_dump_one, .idiag_get_info = udp_diag_get_info, diff --git a/net/mptcp/mptcp_diag.c b/net/mptcp/mptcp_diag.c index 740782f10a60..0566dd793810 100644 --- a/net/mptcp/mptcp_diag.c +++ b/net/mptcp/mptcp_diag.c @@ -224,6 +224,7 @@ static void mptcp_diag_get_info(struct sock *sk, struct inet_diag_msg *r, } static const struct inet_diag_handler mptcp_diag_handler = { + .owner = THIS_MODULE, .dump = mptcp_diag_dump, .dump_one = mptcp_diag_dump_one, .idiag_get_info = mptcp_diag_get_info, diff --git a/net/sctp/diag.c b/net/sctp/diag.c index eb05131ff1dd..23359e522273 100644 --- a/net/sctp/diag.c +++ b/net/sctp/diag.c @@ -507,6 +507,7 @@ static void sctp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb, } static const struct inet_diag_handler sctp_diag_handler = { + .owner = THIS_MODULE, .dump = sctp_diag_dump, .dump_one = sctp_diag_dump_one, .idiag_get_info = sctp_diag_get_info, -- 2.34.1