fix:#148 (#154)

Tr33NewBee · web-flow · commit 40492c8fc11e · 2025-01-07T20:53:11.000+08:00
diff --git a/tools/kallsym.c b/tools/kallsym.c
@@ -63,8 +63,13 @@ static int find_linux_banner(kallsym_t *info, char *img, int32_t imglen)
             info->linux_banner_offset[info->banner_num++] = (int32_t)(banner - img);
             tools_logi("linux_banner %d: %s", info->banner_num, banner);
             tools_logi("linux_banner offset: 0x%lx\n", banner - img);
+            break;
         }
     }
+    if(info->banner_num<=0) {
+        tools_loge("find linux_banner error\n");
+        return -1;
+    }
     banner = img + info->linux_banner_offset[info->banner_num - 1];
 
     char *uts_release_start = banner + prefix_len;

Original file line number	Diff line number	Diff line change
`@@ -63,8 +63,13 @@ static int find_linux_banner(kallsym_t info, char img, int32_t imglen)`
`63`	`63`	`info->linux_banner_offset[info->banner_num++] = (int32_t)(banner - img);`
`64`	`64`	`tools_logi("linux_banner %d: %s", info->banner_num, banner);`
`65`	`65`	`tools_logi("linux_banner offset: 0x%lx\n", banner - img);`
	`66`	`+ break;`
`66`	`67`	`}`
`67`	`68`	`}`
	`69`	`+ if(info->banner_num<=0) {`
	`70`	`+ tools_loge("find linux_banner error\n");`
	`71`	`+ return -1;`
	`72`	`+ }`
`68`	`73`	`banner = img + info->linux_banner_offset[info->banner_num - 1];`
`69`	`74`
`70`	`75`	`char *uts_release_start = banner + prefix_len;`