pos += NTLMSSP_SIGNATURE.length;

        writeULong(type2, pos, NTLMSSP_TYPE2);
        pos += 4;

        // TargetNameFields
        int targetNameOff = writeSecurityBuffer(type2, pos, targetBytes);
        pos += 8;

        writeULong(type2, pos, flags);
        pos += 4;

        // ServerChallenge

            byte[] type3 = new byte[64 + domainLength + userLength +
                    workstationLength + lmLength + ntLength + keyLength];
            System.arraycopy(NTLMSSP_SIGNATURE, 0, type3, 0, 8);
            writeULong(type3, 8, 3);
            int offset = 64;
            writeSecurityBuffer(type3, 12, offset, lmResponse);
            offset += lmLength;
            writeSecurityBuffer(type3, 20, offset, ntResponse);

        byte[] type3 = new byte[size];
        int pos = 0;

        System.arraycopy(NTLMSSP_SIGNATURE, 0, type3, 0, 8);
        pos += 8;

        writeULong(type3, pos, NTLMSSP_TYPE3);
        pos += 4;

        int lmOff = writeSecurityBuffer(type3, 12, lmResponseBytes);
        pos += 8;
        int ntOff = writeSecurityBuffer(type3, 20, ntResponseBytes);

     {
       int saved_errno = errno;
diff --git a/timezone/zic.c b/timezone/zic.c
index a5202a1..772d081 100644
--- a/timezone/zic.c
+++ b/timezone/zic.c
@@ -1609,7 +1609,7 @@ writezone(const char *const name, const char *const string)
 		}
 #define DO(field)	((void) fwrite(tzh.field, sizeof tzh.field, 1, fp))
 		tzh = tzh0;
-		(void) strncpy(tzh.tzh_magic, TZ_MAGIC, sizeof tzh.tzh_magic);

    connection.withLock {
      if (!connection.isHealthy(System.nanoTime())) {
        throw ConnectionShutdownException()
      }
    }
    connection.writePing()
    connection.shutdown(ErrorCode.PROTOCOL_ERROR)
    assertThat(connection.openStreamCount()).isEqualTo(1)
    connection.awaitPong() // Prevent the peer from exiting prematurely.