fs: Enable link security restrictions by default
authorBen Hutchings <ben@decadent.org.uk>
Fri, 2 Nov 2012 05:32:06 +0000 (05:32 +0000)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 4 Jan 2017 19:39:36 +0000 (19:39 +0000)
This reverts commit 561ec64ae67ef25cac8d72bb9c4bfc955edfd415
('VFS: don't do protected {sym,hard}links by default').

Gbp-Pq: Topic debian
Gbp-Pq: Name fs-enable-link-security-restrictions-by-default.patch

fs/namei.c

index adb04146df09281ff5825382c0f73564024061b9..286322442d3382012ffae21fbf78b94f378f4b9c 100644 (file)
@@ -888,8 +888,8 @@ static inline void put_link(struct nameidata *nd)
                path_put(&last->link);
 }
 
-int sysctl_protected_symlinks __read_mostly = 0;
-int sysctl_protected_hardlinks __read_mostly = 0;
+int sysctl_protected_symlinks __read_mostly = 1;
+int sysctl_protected_hardlinks __read_mostly = 1;
 
 /**
  * may_follow_link - Check symlink following for unsafe situations