1*4882a593SmuzhiyunFrom 1c15848838d924552611247110723e2a1c17a5a1 Mon Sep 17 00:00:00 2001 2*4882a593SmuzhiyunFrom: Daniel Axtens <dja@axtens.net> 3*4882a593SmuzhiyunDate: Mon, 18 Jan 2021 12:19:07 +1100 4*4882a593SmuzhiyunSubject: [PATCH] fs/hfs: Disable under lockdown 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunHFS has issues such as infinite mutual recursion that are simply too 7*4882a593Smuzhiyuncomplex to fix for such a legacy format. So simply do not permit 8*4882a593Smuzhiyunit to be loaded under lockdown. 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunSigned-off-by: Daniel Axtens <dja@axtens.net> 11*4882a593SmuzhiyunReviewed-by: Daniel Kiper <daniel.kiper@oracle.com> 12*4882a593SmuzhiyunSigned-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com> 13*4882a593Smuzhiyun--- 14*4882a593Smuzhiyun grub-core/fs/hfs.c | 7 +++++-- 15*4882a593Smuzhiyun 1 file changed, 5 insertions(+), 2 deletions(-) 16*4882a593Smuzhiyun 17*4882a593Smuzhiyundiff --git a/grub-core/fs/hfs.c b/grub-core/fs/hfs.c 18*4882a593Smuzhiyunindex 3fe842b..9a5b7bb 100644 19*4882a593Smuzhiyun--- a/grub-core/fs/hfs.c 20*4882a593Smuzhiyun+++ b/grub-core/fs/hfs.c 21*4882a593Smuzhiyun@@ -30,6 +30,7 @@ 22*4882a593Smuzhiyun #include <grub/hfs.h> 23*4882a593Smuzhiyun #include <grub/i18n.h> 24*4882a593Smuzhiyun #include <grub/fshelp.h> 25*4882a593Smuzhiyun+#include <grub/lockdown.h> 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun GRUB_MOD_LICENSE ("GPLv3+"); 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun@@ -1433,11 +1434,13 @@ static struct grub_fs grub_hfs_fs = 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun GRUB_MOD_INIT(hfs) 32*4882a593Smuzhiyun { 33*4882a593Smuzhiyun- grub_fs_register (&grub_hfs_fs); 34*4882a593Smuzhiyun+ if (!grub_is_lockdown ()) 35*4882a593Smuzhiyun+ grub_fs_register (&grub_hfs_fs); 36*4882a593Smuzhiyun my_mod = mod; 37*4882a593Smuzhiyun } 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun GRUB_MOD_FINI(hfs) 40*4882a593Smuzhiyun { 41*4882a593Smuzhiyun- grub_fs_unregister (&grub_hfs_fs); 42*4882a593Smuzhiyun+ if (!grub_is_lockdown()) 43*4882a593Smuzhiyun+ grub_fs_unregister (&grub_hfs_fs); 44*4882a593Smuzhiyun } 45*4882a593Smuzhiyun-- 46*4882a593Smuzhiyun2.14.2 47*4882a593Smuzhiyun 48