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From 08f5e30177218fae7ce9f5c8d6856690126b2b30 Mon Sep 17 00:00:00 2001
From: Ji Qin <jiqin.ji@huawei.com>
Date: Sun, 14 Jun 2020 21:20:23 -0400
Subject: [PATCH] libselinux: Fix NULL pointer use in
selinux_restorecon_set_sehandle
error occur when selinux_restorecon_default_handle return NULL in
restorecon_init.
fixes: https://github.com/SELinuxProject/selinux/issues/249
Signed-off-by: Ji Qin <jiqin.ji@huawei.com>
Acked-by: Stephen Smalley <stephen.smalley.work@gmail.com>
---
libselinux/src/selinux_restorecon.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libselinux/src/selinux_restorecon.c b/libselinux/src/selinux_restorecon.c
index d1ce830c5..6993be6fd 100644
--- a/libselinux/src/selinux_restorecon.c
+++ b/libselinux/src/selinux_restorecon.c
@@ -1154,6 +1154,8 @@ void selinux_restorecon_set_sehandle(struct selabel_handle *hndl)
size_t num_specfiles, fc_digest_len;
fc_sehandle = (struct selabel_handle *) hndl;
+ if (!fc_sehandle)
+ return;
/* Check if digest requested in selabel_open(3), if so use it. */
if (selabel_digest(fc_sehandle, &fc_digest, &fc_digest_len,
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