From 1c15848838d924552611247110723e2a1c17a5a1 Mon Sep 17 00:00:00 2001
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From: Daniel Axtens <dja@axtens.net>
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Date: Mon, 18 Jan 2021 12:19:07 +1100
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Subject: [PATCH] fs/hfs: Disable under lockdown
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HFS has issues such as infinite mutual recursion that are simply too
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complex to fix for such a legacy format. So simply do not permit
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it to be loaded under lockdown.
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Signed-off-by: Daniel Axtens <dja@axtens.net>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
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---
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grub-core/fs/hfs.c | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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diff --git a/grub-core/fs/hfs.c b/grub-core/fs/hfs.c
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index 3fe842b..9a5b7bb 100644
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--- a/grub-core/fs/hfs.c
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+++ b/grub-core/fs/hfs.c
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@@ -30,6 +30,7 @@
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#include <grub/hfs.h>
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#include <grub/i18n.h>
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#include <grub/fshelp.h>
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+#include <grub/lockdown.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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@@ -1433,11 +1434,13 @@ static struct grub_fs grub_hfs_fs =
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GRUB_MOD_INIT(hfs)
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{
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- grub_fs_register (&grub_hfs_fs);
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+ if (!grub_is_lockdown ())
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+ grub_fs_register (&grub_hfs_fs);
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my_mod = mod;
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}
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GRUB_MOD_FINI(hfs)
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{
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- grub_fs_unregister (&grub_hfs_fs);
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+ if (!grub_is_lockdown())
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+ grub_fs_unregister (&grub_hfs_fs);
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}
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--
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2.14.2
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