From: Karel Zak <kzak@redhat.com>
Date: Wed, 28 Jun 2023 08:19:34 +0000 (+0200)
Subject: nsenter: avoid NULL pointer dereference [coverity scan]
X-Git-Tag: v2.40-rc1~359
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=32c7870520178a5cd23c750fe1ad65209804d2af;p=thirdparty%2Futil-linux.git

nsenter: avoid NULL pointer dereference [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/sys-utils/nsenter.c b/sys-utils/nsenter.c
index 74975313d5..6f9558052c 100644
--- a/sys-utils/nsenter.c
+++ b/sys-utils/nsenter.c
@@ -150,8 +150,8 @@ static void set_parent_user_ns_fd(void)
 
 	if (parent_ns < 0)
 		errx(EXIT_FAILURE, _("no namespaces to get parent of"));
-
-	user_nsfile->fd = parent_ns;
+	if (user_nsfile)
+		user_nsfile->fd = parent_ns;
 }