From 85881a54bcb1bbc726d968de708f598c5e2b62c6 Mon Sep 17 00:00:00 2001
From: hubin <hubin73@huawei.com>
Date: Tue, 10 May 2022 15:28:00 +0800
Subject: [PATCH 26/37] create-diff-object: fix segment fault when using
 KPATCH_FORCE_UNSAFE

Signed-off-by: hubin <hubin73@huawei.com>
---
 kpatch-build/create-diff-object.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/kpatch-build/create-diff-object.c b/kpatch-build/create-diff-object.c
index 5e216d1..b27edd8 100644
--- a/kpatch-build/create-diff-object.c
+++ b/kpatch-build/create-diff-object.c
@@ -1925,9 +1925,14 @@ static void kpatch_include_force_elements(struct kpatch_elf *kelf)
 				continue;
 			}
 			/* .rela.kpatch.force */
-			list_for_each_entry(rela, &sec->relas, list)
+			list_for_each_entry(rela, &sec->relas, list) {
+				if (rela->sym->status != CHANGED) {
+					ERROR("function '%s' marked with KPATCH_FORCE_UNSAFE, but not changed! check your patch.\n",
+						rela->sym->name);
+				}
 				log_normal("function '%s' marked with KPATCH_FORCE_UNSAFE!\n",
 				           rela->sym->name);
+			}
 		}
 	}
 
-- 
2.33.0