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authorChristian Brauner <brauner@kernel.org>2025-10-29 13:21:15 +0100
committerChristian Brauner <brauner@kernel.org>2025-11-03 17:41:23 +0100
commit6de17ec3ccc1eab51601f1b37332cdb384a3a3c9 (patch)
treee30f34e9aa9ab4650f4e4ed0bee2f86150d392d1 /tools
parent54a29d1233815287034b0b87f20e46dfe20da0e4 (diff)
selftests/namespaces: eigth inactive namespace resurrection test
Test IPv6 sockets also work with SIOCGSKNS. Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-62-2e6f823ebdc0@kernel.org Tested-by: syzbot@syzkaller.appspotmail.com Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/namespaces/siocgskns_test.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/testing/selftests/namespaces/siocgskns_test.c b/tools/testing/selftests/namespaces/siocgskns_test.c
index 60028eeecde0..47c1524a8648 100644
--- a/tools/testing/selftests/namespaces/siocgskns_test.c
+++ b/tools/testing/selftests/namespaces/siocgskns_test.c
@@ -542,4 +542,38 @@ TEST(siocgskns_netns_lifecycle)
close(sock_fd);
}
+/*
+ * Test IPv6 sockets also work with SIOCGSKNS.
+ */
+TEST(siocgskns_ipv6)
+{
+ int sock_fd, netns_fd, current_netns_fd;
+ struct stat st1, st2;
+
+ /* Create an IPv6 TCP socket */
+ sock_fd = socket(AF_INET6, SOCK_STREAM, 0);
+ ASSERT_GE(sock_fd, 0);
+
+ /* Use SIOCGSKNS */
+ netns_fd = ioctl(sock_fd, SIOCGSKNS);
+ if (netns_fd < 0) {
+ close(sock_fd);
+ if (errno == ENOTTY || errno == EINVAL)
+ SKIP(return, "SIOCGSKNS not supported");
+ ASSERT_GE(netns_fd, 0);
+ }
+
+ /* Verify it matches current namespace */
+ current_netns_fd = open("/proc/self/ns/net", O_RDONLY);
+ ASSERT_GE(current_netns_fd, 0);
+
+ ASSERT_EQ(fstat(netns_fd, &st1), 0);
+ ASSERT_EQ(fstat(current_netns_fd, &st2), 0);
+ ASSERT_EQ(st1.st_ino, st2.st_ino);
+
+ close(sock_fd);
+ close(netns_fd);
+ close(current_netns_fd);
+}
+
TEST_HARNESS_MAIN