fix(lookup_kallsyms): 修复符号表查询问题

原有逻辑addr刚好等于kallsyms_adress_list[i+1]时，索引index值会是i，但是实际上是i+1；现在修改为通过二分查找符号

Author: goldwind-ting

kernel/src/debug/traceback/mod.rs

@@ -17,19 +17,16 @@ fn kallsyms_names() {}
 /// return true if the func is kernel_main
 pub unsafe fn lookup_kallsyms(addr: u64, level: i32) -> bool {
     let sym_names = kallsyms_names as *const u8;
-    // 由于符号表使用nm -n生成，因此是按照地址升序排列的，因此可以二分
     let sym_num = kallsyms_num as usize;
     let kallsyms_address_list =
         core::slice::from_raw_parts(kallsyms_address as *const u64, sym_num);
     let sym_names_index = kallsyms_names_index as *const u64;
     let sym_names_index = core::slice::from_raw_parts(sym_names_index, sym_num);
-    let mut index = usize::MAX;
-    for i in 0..sym_num - 1 {
-        if addr > kallsyms_address_list[i] && addr <= kallsyms_address_list[i + 1] {
-            index = i;
-            break;
-        }
-    }
+    let index = match kallsyms_address_list.binary_search(&addr) {
+        Ok(i) => i,
+        Err(0) => sym_num,  // 地址小于第一个符号
+        Err(i) => i - 1,
+    };
     let mut is_kernel_main = false;
     if index < sym_num {
         let sym_name = CStr::from_ptr(sym_names.add(sym_names_index[index] as usize) as _)