diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 6f3319b..3717c15 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -26,7 +26,8 @@ jobs:
           make -C apps/basic clean
           make
           make -C apps/basic
-          LIBSVCHOOK=./apps/basic/libsvchook_basic.so LD_PRELOAD=./libsvchook.so ls | grep "output from hook_function"
+          /lib/ld-linux-aarch64.so.1 --list-tunables
+          GLIBC_TUNABLES=glibc.rtld.seal=0 LIBSVCHOOK=./apps/basic/libsvchook_basic.so LD_PRELOAD=./libsvchook.so ls | grep "output from hook_function"
       - name: Format
         run: |
           make fmt
diff --git a/CITATION.cff b/CITATION.cff
index 80107fe..1c6603e 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -8,3 +8,27 @@ title: "svc-hook"
 version: 0.1.0
 date-released: 2025-10-17
 url: "https://github.com/retrage/svc-hook"
+preferred-citation:
+  type: "conference-paper"
+  title: "svc-hook: hooking system calls on ARM64 by binary rewriting"
+  authors:
+    - family-names: "Moroo"
+      given-names: "Akira"
+      orcid: "https://orcid.org/0009-0007-9762-3210"
+    - family-names: "Tazaki"
+      given-names: "Hajime"
+      orcid: "https://orcid.org/0000-0002-6524-2954"
+    - family-names: "Yasukata"
+      given-names: "Kenichi"
+      orcid: "https://orcid.org/0000-0002-7866-2245"
+  doi: "10.1145/3721462.3770771"
+  collection-title: "Proceedings of the 26th International Middleware Conference"
+  year: 2025
+  month: 12
+  start: 195
+  end: 201
+  keywords:
+    - "system call hook"
+    - "binary rewriting"
+    - "ARM64"
+  url: "https://doi.org/10.1145/3721462.3770771"
diff --git a/main.c b/main.c
index 2f77e06..165ce4e 100644
--- a/main.c
+++ b/main.c
@@ -600,6 +600,10 @@ static void scan_code(void) {
     if (strstr(buf, "[stack]") != NULL) {
       continue;
     }
+    /* we do not touch vdso memory */
+    if (strstr(buf, "[vdso]") != NULL) {
+      continue;
+    }
     int mem_prot = 0;
     int i = 0;
     char addr[65] = {0};