dim/backport-dont-kill-the-init-process.patch
gengqihu aa8b95bbc3 fix some bugs and enabled DIM_HASH_SUPPORT_SM3
(cherry picked from commit 0a495bbcfd0310783f15faeacbdb655cff3d54de)
2024-08-19 16:04:32 +08:00

30 lines
1.0 KiB
Diff

From b515dc62636113d06ac524476da7c30fa3fd42b0 Mon Sep 17 00:00:00 2001
From: Huaxin Lu <luhuaxin1@huawei.com>
Date: Thu, 9 May 2024 15:16:28 +0800
Subject: [PATCH 10/28] dont kill the init process
---
.../dim_core_measure_process/dim_core_measure_process.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/core/tasks/dim_core_measure_process/dim_core_measure_process.c b/src/core/tasks/dim_core_measure_process/dim_core_measure_process.c
index 643b661..e5e262a 100644
--- a/src/core/tasks/dim_core_measure_process/dim_core_measure_process.c
+++ b/src/core/tasks/dim_core_measure_process/dim_core_measure_process.c
@@ -78,6 +78,12 @@ static int kill_task_tree(struct task_struct *tsk)
const int def_size = 32;
struct task_kill_ctx ctx = { .size = def_size };
+ if (tsk->pid == 1) {
+ /* dont kill the init process */
+ dim_warn("the pid of tampered task is 1, don't kill it\n");
+ return 0;
+ }
+
ctx.buf = dim_kzalloc_gfp(def_size * sizeof(struct task_struct *));
if (ctx.buf == NULL)
return -ENOMEM;
--
2.33.0