Fix error code returned due to Port exhaustion.

For TCP sockets gVisor incorrectly returns EAGAIN when no ephemeral ports are
available to bind during a connect. Linux returns EADDRNOTAVAIL. This change
fixes gVisor to return the correct code and adds a test for the same.

This change also fixes a minor bug for ping sockets where connect() would fail
with EINVAL unless the socket was bound first.

Also added tests for testing UDP Port exhaustion and Ping socket port
exhaustion.

PiperOrigin-RevId: 314988525

1 files changed, 35 insertions, 0 deletions

diff --git a/test/syscalls/linux/BUILD b/test/syscalls/linux/BUILD
index f4b5de18d..ae2aa44dc 100644
--- a/test/syscalls/linux/BUILD
+++ b/test/syscalls/linux/BUILD
@@ -1412,6 +1412,21 @@ cc_binary(
 )
 
 cc_binary(
+    name = "ping_socket_test",
+    testonly = 1,
+    srcs = ["ping_socket.cc"],
+    linkstatic = 1,
+    deps = [
+        ":socket_test_util",
+        "//test/util:file_descriptor",
+        gtest,
+        "//test/util:save_util",
+        "//test/util:test_main",
+        "//test/util:test_util",
+    ],
+)
+
+cc_binary(
     name = "pipe_test",
     testonly = 1,
     srcs = ["pipe.cc"],
@@ -2781,6 +2796,26 @@ cc_binary(
 )
 
 cc_binary(
+    name = "socket_inet_loopback_nogotsan_test",
+    testonly = 1,
+    srcs = ["socket_inet_loopback_nogotsan.cc"],
+    linkstatic = 1,
+    deps = [
+        ":ip_socket_test_util",
+        ":socket_test_util",
+        "//test/util:file_descriptor",
+        "@com_google_absl//absl/memory",
+        "@com_google_absl//absl/strings",
+        gtest,
+        "//test/util:posix_error",
+        "//test/util:save_util",
+        "//test/util:test_main",
+        "//test/util:test_util",
+        "//test/util:thread_util",
+    ],
+)
+
+cc_binary(
     name = "socket_netlink_test",
     testonly = 1,
     srcs = ["socket_netlink.cc"],