Feature #TASK_QT-18250 1、解决grpc-client在多次访问后，会导致客户进程崩溃的问题。

ebpftracer/ebpf/utrace/go/net/grpc.client.probe.bpf.c

@@ -458,39 +458,30 @@ int uprobe_LoopyWriter_HeaderHandler(struct pt_regs *ctx) {
     bpf_map_update_elem(&apm_current_span_context_map, sc_ptr, &grpcClientReq->apm_sc, BPF_ANY);
 	// cw_save_current_tracking_span(&grpcClientReq->apm_sc);
 
-    // Strategy: Write key and value separately with manual offset
+    // Strategy: Write key and value separately using write_target_data
+    // Both key and value can use write_target_data as it automatically manages memory allocation
     // First write the key
     char tp_key[CW_HEADER_KEY_LENGTH] = CW_HEADER_KEY_VAL;
-    char *key_data_addr = write_target_data((void *)tp_key, sizeof(tp_key));
+    char *key_data_addr = cw_write_target_data((void *)tp_key, sizeof(tp_key), proc_info);
     if (key_data_addr == NULL) {
         bpf_printk("Key data write failed\n");
         return 0;
     }
-    // bpf_printk("key_data_addr=%p\n", key_data_addr);
     
-    // Manually advance the pointer for value (workaround for alloc_map bug)
-    // Allocate enough space: align to 8 bytes
-    u64 key_size_aligned = ((sizeof(tp_key) + 7) / 8) * 8;
-    
-    // Write value at offset from key
-    span_context_to_cw_string(&grpcClientReq->apm_sc, storage->val);
-    // span_context_to_w3c_string(&storage->sc, storage->val);
-    
-    // Try to write value with manual offset
-    char *val_data_addr = key_data_addr + key_size_aligned;
-    long val_write_result = bpf_probe_write_user(val_data_addr, storage->val, sizeof(storage->val));
-    // bpf_printk("val_data_addr=%p, write_result=%ld\n", val_data_addr, val_write_result);
+    // Prepare and write the value
+    char val[CW_HEADER_VAL_LENGTH];
+    __builtin_memset(val, 0, sizeof(val));
+    span_context_to_cw_string(&grpcClientReq->apm_sc, val);
     
-    if (val_write_result != 0) {
-        bpf_printk("Val direct write failed\n");
+    // Write value using cw_write_target_data (it will automatically allocate next available position)
+    char *val_data_addr = cw_write_target_data((void *)val, sizeof(val), proc_info);
+    if (val_data_addr == NULL) {
+        bpf_printk("Val data write failed\n");
         return 0;
     }
     
     struct go_string_ot key_str = {.str = key_data_addr, .len = sizeof(tp_key)};
-    struct go_string_ot val_str = {.str = val_data_addr, .len = sizeof(storage->val)};
-    
-    // bpf_printk("key_str: len=%d, ptr=%p\n", key_str.len, key_str.str);
-    // bpf_printk("val_str: len=%d, ptr=%p\n", val_str.len, val_str.str);
+    struct go_string_ot val_str = {.str = val_data_addr, .len = sizeof(val)};
     
     // Build header field
     storage->hf.name = key_str;