feat: agent - eBPF Support for the ARM version of Kylin v10 SP2

agent/src/ebpf/kernel/include/protocol_inference.h

@@ -1509,16 +1509,26 @@ static __inline bool mqtt_decoding_length(const __u8 * buffer, int *length,
 	buffer += 1;
 	*length = 0;
 	*lensize = 0;
-	do {
+
+	/*
+	 * Limit the number of loop iterations, ensuring the byte usage remains
+	 * within 32 bytes. This also resolves the issue of loading eBPF bytecode
+	 * on the 4.19.90-25.24.v2101.ky10.aarch64 kernel.
+	 */
+	static const int loop_count = 32;
+	for (int i = 0; i < loop_count; i++) {
 		digit = buffer[(*lensize)++];
 		*length += (digit & 127) * multiplier;
 		multiplier *= 128;
 
 		// mqtt 最多用4个字节表示长度
 		if ((*lensize) > 4)
 			return false;
-	} while ((digit & 128) != 0);
-	return true;
+		if((digit & 128) == 0)
+			return true;
+	}
+
+	return false;
 }
 
 static __inline bool mqtt_decoding_message_type(const __u8 * buffer,

agent/src/ebpf/kernel/include/task_struct_utils.h

@@ -108,12 +108,13 @@ static __inline void *infer_and_get_socket_from_fd(int fd_num, struct member_fie
 	// 0x6b8 for 4.19.117.business.1-amd64
 	// 0xb88 for 4.19.0-91.77.112.uelc20.x86_64, 4.19.0-91.82.65.uelc20.x86_64
 	// 0xcd8 for 4.14.105-1-tlinux3-0023.1
+	// 0x7c8 for 4.19.90-25.24.v2101.ky10.aarch64
 	int files_offset_array[] = {
 		0x6c0, 0x790, 0x7b0, 0xa80, 0xa88, 0xaa0, 0xaa8, 0xab0, 0xab8, 0xac0,
 		0xac8, 0xad0, 0xad8, 0xae0, 0xae8, 0xaf0, 0xaf8, 0xb00, 0xb08, 0xb10,
 		0xb18, 0xb20, 0xb48, 0xb50, 0xb58, 0xb60, 0xb68, 0xb70, 0xb78, 0xb90,
 		0xb98, 0xba0, 0xbb0, 0x740, 0xbc0, 0xbc8, 0xbd0, 0xbd8, 0xbe0, 0xbe8,
-		0xbf0, 0xbf8, 0xc00, 0xc08, 0xcc8, 0xd08, 0x6b8, 0xb88, 0xcd8
+		0xbf0, 0xbf8, 0xc00, 0xc08, 0xcc8, 0xd08, 0x6b8, 0xb88, 0xcd8, 0x7c8
 	};
 #endif
 /* *INDENT-ON* */