From: Kuniyuki Iwashima <kuniyu@amazon.com>
To: "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
David Ahern <dsahern@kernel.org>
Cc: Joanne Koong <joannelkoong@gmail.com>,
Jianguo Wu <wujianguo106@163.com>,
Kuniyuki Iwashima <kuniyu@amazon.com>,
Kuniyuki Iwashima <kuni1840@gmail.com>, <netdev@vger.kernel.org>
Subject: [PATCH v1 net 6/8] selftest: tcp: Add more bind() calls.
Date: Mon, 25 Mar 2024 11:19:21 -0700 [thread overview]
Message-ID: <20240325181923.48769-7-kuniyu@amazon.com> (raw)
In-Reply-To: <20240325181923.48769-1-kuniyu@amazon.com>
In addtition to the two addresses defined in the fixtures, this patch
add 6 more bind calls():
* 0.0.0.0
* 127.0.0.1
* ::
* ::1
* ::ffff:0.0.0.0
* ::ffff:127.0.0.1
The first two per-fixture bind() calls control how inet_bind2_bucket
is created, and the rest 6 bind() calls cover as many conflicting
patterns as possible.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
---
tools/testing/selftests/net/bind_wildcard.c | 225 +++++++++++++++-----
1 file changed, 166 insertions(+), 59 deletions(-)
diff --git a/tools/testing/selftests/net/bind_wildcard.c b/tools/testing/selftests/net/bind_wildcard.c
index 5100dd713a49..4ecd3835f33c 100644
--- a/tools/testing/selftests/net/bind_wildcard.c
+++ b/tools/testing/selftests/net/bind_wildcard.c
@@ -25,21 +25,34 @@ static const struct in6_addr in6addr_v4mapped_loopback = {
}
};
+#define NR_SOCKETS 8
+
FIXTURE(bind_wildcard)
{
- socklen_t addrlen[2];
+ int fd[NR_SOCKETS];
+ socklen_t addrlen[NR_SOCKETS];
union {
struct sockaddr addr;
struct sockaddr_in addr4;
struct sockaddr_in6 addr6;
- } addr[2];
+ } addr[NR_SOCKETS];
};
FIXTURE_VARIANT(bind_wildcard)
{
sa_family_t family[2];
const void *addr[2];
- int expected_errno;
+
+ /* 6 bind() calls below follow two bind() for the defined 2 addresses:
+ *
+ * 0.0.0.0
+ * 127.0.0.1
+ * ::
+ * ::1
+ * ::ffff:0.0.0.0
+ * ::ffff:127.0.0.1
+ */
+ int expected_errno[NR_SOCKETS];
};
/* (IPv4, IPv4) */
@@ -47,14 +60,20 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v4_local)
{
.family = {AF_INET, AF_INET},
.addr = {&in4addr_any, &in4addr_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v4_any)
{
.family = {AF_INET, AF_INET},
.addr = {&in4addr_loopback, &in4addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
/* (IPv4, IPv6) */
@@ -62,56 +81,80 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_any, &in6addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_local)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_any, &in6addr_loopback},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_v4mapped_any)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_any, &in6addr_v4mapped_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_v4mapped_local)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_any, &in6addr_v4mapped_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_loopback, &in6addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_local)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_loopback, &in6addr_loopback},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_v4mapped_any)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_loopback, &in6addr_v4mapped_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_v4mapped_local)
{
.family = {AF_INET, AF_INET6},
.addr = {&in4addr_loopback, &in6addr_v4mapped_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
/* (IPv6, IPv4) */
@@ -119,56 +162,80 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_any)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_any, &in4addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v4_local)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_any, &in4addr_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_any)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_loopback, &in4addr_any},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v4_local)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_loopback, &in4addr_loopback},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v4_any)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_v4mapped_any, &in4addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v4_local)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_v4mapped_any, &in4addr_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_any)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_v4mapped_loopback, &in4addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_local_v4_local)
{
.family = {AF_INET6, AF_INET},
.addr = {&in6addr_v4mapped_loopback, &in4addr_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
/* (IPv6, IPv6) */
@@ -176,84 +243,120 @@ FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_v4mapped_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_any_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_any, &in6addr_v4mapped_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_loopback, &in6addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ 0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_loopback, &in6addr_v4mapped_any},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_local_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_loopback, &in6addr_v4mapped_loopback},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_any, &in6addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_any, &in6addr_loopback},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_any_v6_v4mapped_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_any, &in6addr_v4mapped_loopback},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_loopback, &in6addr_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_local)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_loopback, &in6addr_loopback},
- .expected_errno = 0,
+ .expected_errno = {0, 0,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE},
};
FIXTURE_VARIANT_ADD(bind_wildcard, v6_v4mapped_loopback_v6_v4mapped_any)
{
.family = {AF_INET6, AF_INET6},
.addr = {&in6addr_v4mapped_loopback, &in6addr_v4mapped_any},
- .expected_errno = EADDRINUSE,
+ .expected_errno = {0, EADDRINUSE,
+ EADDRINUSE, EADDRINUSE,
+ EADDRINUSE, 0,
+ EADDRINUSE, EADDRINUSE},
};
static void setup_addr(FIXTURE_DATA(bind_wildcard) *self, int i,
@@ -284,52 +387,56 @@ FIXTURE_SETUP(bind_wildcard)
{
setup_addr(self, 0, variant->family[0], variant->addr[0]);
setup_addr(self, 1, variant->family[1], variant->addr[1]);
+
+ setup_addr(self, 2, AF_INET, &in4addr_any);
+ setup_addr(self, 3, AF_INET, &in4addr_loopback);
+
+ setup_addr(self, 4, AF_INET6, &in6addr_any);
+ setup_addr(self, 5, AF_INET6, &in6addr_loopback);
+ setup_addr(self, 6, AF_INET6, &in6addr_v4mapped_any);
+ setup_addr(self, 7, AF_INET6, &in6addr_v4mapped_loopback);
}
FIXTURE_TEARDOWN(bind_wildcard)
{
+ int i;
+
+ for (i = 0; i < NR_SOCKETS; i++)
+ close(self->fd[i]);
}
-void bind_sockets(struct __test_metadata *_metadata,
- FIXTURE_DATA(bind_wildcard) *self,
- int expected_errno,
- struct sockaddr *addr1, socklen_t addrlen1,
- struct sockaddr *addr2, socklen_t addrlen2)
+void bind_socket(struct __test_metadata *_metadata,
+ FIXTURE_DATA(bind_wildcard) *self,
+ const FIXTURE_VARIANT(bind_wildcard) *variant,
+ int i)
{
- int fd[2];
int ret;
- fd[0] = socket(addr1->sa_family, SOCK_STREAM, 0);
- ASSERT_GT(fd[0], 0);
-
- ret = bind(fd[0], addr1, addrlen1);
- ASSERT_EQ(ret, 0);
+ self->fd[i] = socket(self->addr[i].addr.sa_family, SOCK_STREAM, 0);
+ ASSERT_GT(self->fd[i], 0);
- ret = getsockname(fd[0], addr1, &addrlen1);
- ASSERT_EQ(ret, 0);
+ self->addr[i].addr4.sin_port = self->addr[0].addr4.sin_port;
- ((struct sockaddr_in *)addr2)->sin_port = ((struct sockaddr_in *)addr1)->sin_port;
-
- fd[1] = socket(addr2->sa_family, SOCK_STREAM, 0);
- ASSERT_GT(fd[1], 0);
-
- ret = bind(fd[1], addr2, addrlen2);
- if (expected_errno) {
+ ret = bind(self->fd[i], &self->addr[i].addr, self->addrlen[i]);
+ if (variant->expected_errno[i]) {
ASSERT_EQ(ret, -1);
- ASSERT_EQ(errno, expected_errno);
+ ASSERT_EQ(errno, variant->expected_errno[i]);
} else {
ASSERT_EQ(ret, 0);
}
- close(fd[1]);
- close(fd[0]);
+ if (i == 0) {
+ ret = getsockname(self->fd[0], &self->addr[0].addr, &self->addrlen[0]);
+ ASSERT_EQ(ret, 0);
+ }
}
TEST_F(bind_wildcard, plain)
{
- bind_sockets(_metadata, self, variant->expected_errno,
- &self->addr[0].addr, self->addrlen[0],
- &self->addr[1].addr, self->addrlen[1]);
+ int i;
+
+ for (i = 0; i < NR_SOCKETS; i++)
+ bind_socket(_metadata, self, variant, i);
}
TEST_HARNESS_MAIN
--
2.30.2
next prev parent reply other threads:[~2024-03-25 18:22 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-25 18:19 [PATCH v1 net 0/8] tcp: Fix bind() regression and more tests Kuniyuki Iwashima
2024-03-25 18:19 ` [PATCH v1 net 1/8] tcp: Fix bind() regression for v6-only wildcard and v4-mapped-v6 non-wildcard addresses Kuniyuki Iwashima
2024-03-25 23:56 ` Jakub Kicinski
2024-03-26 0:01 ` Kuniyuki Iwashima
2024-03-26 10:41 ` kernel test robot
2024-03-26 11:11 ` kernel test robot
2024-03-25 18:19 ` [PATCH v1 net 2/8] tcp: Fix bind() regression for v6-only wildcard and v4(-mapped-v6) " Kuniyuki Iwashima
2024-03-25 18:19 ` [PATCH v1 net 3/8] selftest: tcp: Make bind() selftest flexible Kuniyuki Iwashima
2024-03-25 18:19 ` [PATCH v1 net 4/8] selftest: tcp: Define the reverse order bind() tests explicitly Kuniyuki Iwashima
2024-03-25 18:19 ` [PATCH v1 net 5/8] selftest: tcp: Add v4-v4 and v6-v6 bind() conflict tests Kuniyuki Iwashima
2024-03-25 18:19 ` Kuniyuki Iwashima [this message]
2024-03-25 18:19 ` [PATCH v1 net 7/8] selftest: tcp: Add bind() tests for IPV6_V6ONLY Kuniyuki Iwashima
2024-03-25 18:19 ` [PATCH v1 net 8/8] selftest: tcp: Add bind() tests for SO_REUSEADDR/SO_REUSEPORT Kuniyuki Iwashima
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240325181923.48769-7-kuniyu@amazon.com \
--to=kuniyu@amazon.com \
--cc=davem@davemloft.net \
--cc=dsahern@kernel.org \
--cc=edumazet@google.com \
--cc=joannelkoong@gmail.com \
--cc=kuba@kernel.org \
--cc=kuni1840@gmail.com \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=wujianguo106@163.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.