From d87b1a4e2d64e0433becce31353849efa086ae39 Mon Sep 17 00:00:00 2001
From: Chih-En Lin <shiyn.lin@gmail.com>
Date: Sat, 5 Oct 2024 02:22:19 -0400
Subject: [PATCH] TMP CLI

---
 .ci/build-n-run.sh       | 2 ++
 examples/syscall-steal.c | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/.ci/build-n-run.sh b/.ci/build-n-run.sh
index 8fb5ec11..c50597ed 100755
--- a/.ci/build-n-run.sh
+++ b/.ci/build-n-run.sh
@@ -26,5 +26,7 @@ function run_examples()
     done
 }
 
+sudo cat /proc/kallsyms | grep "sys_call_table"
+
 build_example
 run_examples
diff --git a/examples/syscall-steal.c b/examples/syscall-steal.c
index e0d5bd38..e0dabbe3 100644
--- a/examples/syscall-steal.c
+++ b/examples/syscall-steal.c
@@ -254,6 +254,9 @@ static int __init syscall_steal_start(void)
     if (!(sys_call_table_stolen = acquire_sys_call_table()))
         return -1;
 
+    if (sys_call_table_stolen == 0)
+        return 0;
+
     disable_write_protection();
 
     /* keep track of the original open function */