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ovl: Use designated initializers 

Prepare to mark sensitive kernel structures for randomization by making
sure they're using designated initializers. These were identified during
allyesconfig builds of x86, arm, and arm64, with most initializer fixes
extracted from grsecurity.

For these cases, use { }, which will be zero-filled, instead of
undesignated NULLs.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Kees Cook 2017-03-29 14:02:19 -07:00 committed by Miklos Szeredi
parent b1eaa950f7
commit 33006cdf9c
2 changed files with 3 additions and 3 deletions
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4
fs/overlayfs/super.c
View File

@ -709,8 +709,8 @@ static const struct xattr_handler *ovl_xattr_handlers[] = {
static int ovl_fill_super(struct super_block *sb, void *data, int silent) static int ovl_fill_super(struct super_block *sb, void *data, int silent)
{ {
struct path upperpath = { NULL, NULL }; struct path upperpath = { };
struct path workpath = { NULL, NULL }; struct path workpath = { };
struct dentry *root_dentry; struct dentry *root_dentry;
struct inode *realinode; struct inode *realinode;
struct ovl_entry *oe; struct ovl_entry *oe;

2
fs/overlayfs/util.c
View File

@ -101,7 +101,7 @@ void ovl_path_lower(struct dentry *dentry, struct path *path)
{ {
struct ovl_entry *oe = dentry->d_fsdata; struct ovl_entry *oe = dentry->d_fsdata;
*path = oe->numlower ? oe->lowerstack[0] : (struct path) { NULL, NULL }; *path = oe->numlower ? oe->lowerstack[0] : (struct path) { };
} }
enum ovl_path_type ovl_path_real(struct dentry *dentry, struct path *path) enum ovl_path_type ovl_path_real(struct dentry *dentry, struct path *path)