text: // Test that ASan doesn't raise false alarm when getsockname and getpeername
  // are called with addrlen=nullptr;
  //
  // RUN: %clangxx %s -o %t && %run %t 2>&1
  
  // connect() fails on Android.
  // UNSUPPORTED: android
  
  #include <assert.h>
  #include <errno.h>
  #include <netinet/in.h>
  #include <sys/socket.h>
  
  int main() {
    const int fd = socket(AF_INET, SOCK_DGRAM, 0);
    assert(fd >= 0);
  
    const sockaddr_in sin = {
        .sin_family = AF_INET,
        .sin_port = 1234,
        .sin_addr =
            {
                .s_addr = INADDR_LOOPBACK,
            },
    };
    assert(connect(fd, reinterpret_cast<const sockaddr *>(&sin), sizeof(sin)) ==
           0);
  
    errno = 0;
    assert(getsockname(fd, nullptr, nullptr) == -1);
    assert(errno == EFAULT);
  
    errno = 0;
    assert(getpeername(fd, nullptr, nullptr) == -1);
    assert(errno == EFAULT);
  
    return 0;
  }
  