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Message-Id: <20250521204619.2301870-1-kees@kernel.org>
Date: Wed, 21 May 2025 13:46:09 -0700
From: Kees Cook <kees@...nel.org>
To: Kuniyuki Iwashima <kuniyu@...zon.com>
Cc: Kees Cook <kees@...nel.org>,
"Martin K . Petersen" <martin.petersen@...cle.com>,
Christoph Hellwig <hch@....de>,
Sagi Grimberg <sagi@...mberg.me>,
Chaitanya Kulkarni <kch@...dia.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Mike Christie <michael.christie@...cle.com>,
Max Gurtovoy <mgurtovoy@...dia.com>,
Maurizio Lombardi <mlombard@...hat.com>,
Dmitry Bogdanov <d.bogdanov@...ro.com>,
Mingzhe Zou <mingzhe.zou@...ystack.cn>,
Christophe Leroy <christophe.leroy@...roup.eu>,
Simon Horman <horms@...nel.org>,
"Dr. David Alan Gilbert" <linux@...blig.org>,
linux-nvme@...ts.infradead.org,
linux-scsi@...r.kernel.org,
target-devel@...r.kernel.org,
netdev@...r.kernel.org,
Willem de Bruijn <willemdebruijn.kernel@...il.com>,
"Gustavo A. R. Silva" <gustavoars@...nel.org>,
Andrew Lunn <andrew+netdev@...n.ch>,
Stanislav Fomichev <sdf@...ichev.me>,
Cosmin Ratiu <cratiu@...dia.com>,
Lei Yang <leiyang@...hat.com>,
Ido Schimmel <idosch@...dia.com>,
Samuel Mendoza-Jonas <sam@...dozajonas.com>,
Paul Fertser <fercerpav@...il.com>,
Alexander Aring <alex.aring@...il.com>,
Stefan Schmidt <stefan@...enfreihafen.org>,
Miquel Raynal <miquel.raynal@...tlin.com>,
Hayes Wang <hayeswang@...ltek.com>,
Douglas Anderson <dianders@...omium.org>,
Grant Grundler <grundler@...omium.org>,
Jay Vosburgh <jv@...sburgh.net>,
"K. Y. Srinivasan" <kys@...rosoft.com>,
Haiyang Zhang <haiyangz@...rosoft.com>,
Wei Liu <wei.liu@...nel.org>,
Dexuan Cui <decui@...rosoft.com>,
Jiri Pirko <jiri@...nulli.us>,
Jason Wang <jasowang@...hat.com>,
Vladimir Oltean <vladimir.oltean@....com>,
Florian Fainelli <florian.fainelli@...adcom.com>,
Kory Maincent <kory.maincent@...tlin.com>,
Maxim Georgiev <glipus@...il.com>,
Aleksander Jan Bajkowski <olek2@...pl>,
Philipp Hahn <phahn-oss@....de>,
Eric Biggers <ebiggers@...gle.com>,
Ard Biesheuvel <ardb@...nel.org>,
Al Viro <viro@...iv.linux.org.uk>,
Ahmed Zaki <ahmed.zaki@...el.com>,
Alexander Lobakin <aleksander.lobakin@...el.com>,
Xiao Liang <shaw.leon@...il.com>,
linux-kernel@...r.kernel.org,
linux-wpan@...r.kernel.org,
linux-usb@...r.kernel.org,
linux-hyperv@...r.kernel.org,
linux-hardening@...r.kernel.org
Subject: [PATCH net-next v2 1/8] net: core: Convert inet_addr_is_any() to sockaddr_storage
All the callers of inet_addr_is_any() have a sockaddr_storage-backed
sockaddr. Avoid casts and switch prototype to the actual object being
used.
Reviewed-by: Kuniyuki Iwashima <kuniyu@...zon.com>
Reviewed-by: Martin K. Petersen <martin.petersen@...cle.com> # SCSI
Signed-off-by: Kees Cook <kees@...nel.org>
---
Cc: Christoph Hellwig <hch@....de>
Cc: Sagi Grimberg <sagi@...mberg.me>
Cc: Chaitanya Kulkarni <kch@...dia.com>
Cc: "Martin K. Petersen" <martin.petersen@...cle.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Eric Dumazet <edumazet@...gle.com>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Paolo Abeni <pabeni@...hat.com>
Cc: Mike Christie <michael.christie@...cle.com>
Cc: Max Gurtovoy <mgurtovoy@...dia.com>
Cc: Maurizio Lombardi <mlombard@...hat.com>
Cc: Dmitry Bogdanov <d.bogdanov@...ro.com>
Cc: Mingzhe Zou <mingzhe.zou@...ystack.cn>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>
Cc: Simon Horman <horms@...nel.org>
Cc: "Dr. David Alan Gilbert" <linux@...blig.org>
Cc: linux-nvme@...ts.infradead.org
Cc: linux-scsi@...r.kernel.org
Cc: target-devel@...r.kernel.org
Cc: netdev@...r.kernel.org
---
include/linux/inet.h | 2 +-
drivers/nvme/target/rdma.c | 2 +-
drivers/nvme/target/tcp.c | 2 +-
drivers/target/iscsi/iscsi_target.c | 2 +-
net/core/utils.c | 8 ++++----
5 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/include/linux/inet.h b/include/linux/inet.h
index bd8276e96e60..9158772f3559 100644
--- a/include/linux/inet.h
+++ b/include/linux/inet.h
@@ -55,6 +55,6 @@ extern int in6_pton(const char *src, int srclen, u8 *dst, int delim, const char
extern int inet_pton_with_scope(struct net *net, unsigned short af,
const char *src, const char *port, struct sockaddr_storage *addr);
-extern bool inet_addr_is_any(struct sockaddr *addr);
+bool inet_addr_is_any(struct sockaddr_storage *addr);
#endif /* _LINUX_INET_H */
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index 2a4536ef6184..79a5aad2e9d0 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -1999,7 +1999,7 @@ static void nvmet_rdma_disc_port_addr(struct nvmet_req *req,
struct nvmet_rdma_port *port = nport->priv;
struct rdma_cm_id *cm_id = port->cm_id;
- if (inet_addr_is_any((struct sockaddr *)&cm_id->route.addr.src_addr)) {
+ if (inet_addr_is_any(&cm_id->route.addr.src_addr)) {
struct nvmet_rdma_rsp *rsp =
container_of(req, struct nvmet_rdma_rsp, req);
struct rdma_cm_id *req_cm_id = rsp->queue->cm_id;
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index 12a5cb8641ca..5cd1cf74f8ff 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -2194,7 +2194,7 @@ static void nvmet_tcp_disc_port_addr(struct nvmet_req *req,
{
struct nvmet_tcp_port *port = nport->priv;
- if (inet_addr_is_any((struct sockaddr *)&port->addr)) {
+ if (inet_addr_is_any(&port->addr)) {
struct nvmet_tcp_cmd *cmd =
container_of(req, struct nvmet_tcp_cmd, req);
struct nvmet_tcp_queue *queue = cmd->queue;
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 620ba6e0ab07..a2dde08c8a62 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -3419,7 +3419,7 @@ iscsit_build_sendtargets_response(struct iscsit_cmd *cmd,
}
}
- if (inet_addr_is_any((struct sockaddr *)&np->np_sockaddr))
+ if (inet_addr_is_any(&np->np_sockaddr))
sockaddr = &conn->local_sockaddr;
else
sockaddr = &np->np_sockaddr;
diff --git a/net/core/utils.c b/net/core/utils.c
index 27f4cffaae05..e47feeaa5a49 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -399,9 +399,9 @@ int inet_pton_with_scope(struct net *net, __kernel_sa_family_t af,
}
EXPORT_SYMBOL(inet_pton_with_scope);
-bool inet_addr_is_any(struct sockaddr *addr)
+bool inet_addr_is_any(struct sockaddr_storage *addr)
{
- if (addr->sa_family == AF_INET6) {
+ if (addr->ss_family == AF_INET6) {
struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)addr;
const struct sockaddr_in6 in6_any =
{ .sin6_addr = IN6ADDR_ANY_INIT };
@@ -409,13 +409,13 @@ bool inet_addr_is_any(struct sockaddr *addr)
if (!memcmp(in6->sin6_addr.s6_addr,
in6_any.sin6_addr.s6_addr, 16))
return true;
- } else if (addr->sa_family == AF_INET) {
+ } else if (addr->ss_family == AF_INET) {
struct sockaddr_in *in = (struct sockaddr_in *)addr;
if (in->sin_addr.s_addr == htonl(INADDR_ANY))
return true;
} else {
- pr_warn("unexpected address family %u\n", addr->sa_family);
+ pr_warn("unexpected address family %u\n", addr->ss_family);
}
return false;
--
2.34.1
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