From bdcc3b0713f4c50d09857083c4ae27e8fb3acaad Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Tue, 4 Jan 2022 02:02:12 +0900
Subject: [PATCH] elf-util: add missing assertion

(cherry picked from commit 80b241f2ec98509cbc89d2fb1626403167a832fb)
---
 src/shared/elf-util.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/shared/elf-util.c b/src/shared/elf-util.c
index 104a35cc77..4d93e7eaba 100644
--- a/src/shared/elf-util.c
+++ b/src/shared/elf-util.c
@@ -685,6 +685,8 @@ int parse_elf_object(int fd, const char *executable, bool fork_disable_dump, cha
         _cleanup_free_ char *buf = NULL;
         int r;
 
+        assert(fd >= 0);
+
         r = dlopen_dw();
         if (r < 0)
                 return r;