From 5b2efd65b1aecef7d88aae84e10875be4f438ec6 Mon Sep 17 00:00:00 2001 From: Ylarod Date: Wed, 18 Jan 2023 17:05:40 +0800 Subject: [PATCH] kernel: add null check (#84) --- kernel/ksu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/ksu.c b/kernel/ksu.c index 2573ddce..fa1b48c5 100644 --- a/kernel/ksu.c +++ b/kernel/ksu.c @@ -64,7 +64,8 @@ void escape_to_root() current->seccomp.filter = NULL; // setgroup to root - put_group_info(cred->group_info); + if (cred->group_info) + put_group_info(cred->group_info); cred->group_info = get_group_info(&root_groups); setup_selinux();