Merge branch 'upstream' of git://git.infradead.org/users/pcmoore/selinux into for...

[firefly-linux-kernel-4.4.55.git] / security / selinux / hooks.c

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 62310819964145eb800adea251122a2298c8d532..564079c5c49dce530f56fd0626827d81c0ec75d4 100644 (file)
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3283,7 +3283,8 @@ static int file_map_prot_check(struct file *file, unsigned long prot, int shared
        int rc = 0;
 
        if (default_noexec &&
-           (prot & PROT_EXEC) && (!file || (!shared && (prot & PROT_WRITE)))) {
+           (prot & PROT_EXEC) && (!file || IS_PRIVATE(file_inode(file)) ||
+                                  (!shared && (prot & PROT_WRITE)))) {
                /*
                 * We are making executable an anonymous mapping or a
                 * private file mapping that will also be writable.