On 06/19/2017 10:39 PM, Kees Cook wrote:
> On Mon, Jun 19, 2017 at 9:56 PM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>> Hi all,
>>
>> After merging the kspp tree, today's linux-next build (x86_64
>> allmodconfig) failed like this:
>>
>> security/apparmor/file.c: In function 'aa_path_link':
>> security/apparmor/file.c:475:23: error: positional initialization of field in 'struct' declared with 'designated_init' attribute [-Werror=designated-init]
>> struct path link = { new_dir->mnt, new_dentry };
>> ^
>> security/apparmor/file.c:475:23: note: (near initialization for 'link')
>> security/apparmor/file.c:475:37: error: positional initialization of field in 'struct' declared with 'designated_init' attribute [-Werror=designated-init]
>> struct path link = { new_dir->mnt, new_dentry };
>> ^
>> security/apparmor/file.c:475:37: note: (near initialization for 'link')
>> security/apparmor/file.c:476:25: error: positional initialization of field in 'struct' declared with 'designated_init' attribute [-Werror=designated-init]
>> struct path target = { new_dir->mnt, old_dentry };
>> ^
>> security/apparmor/file.c:476:25: note: (near initialization for 'target')
>> security/apparmor/file.c:476:39: error: positional initialization of field in 'struct' declared with 'designated_init' attribute [-Werror=designated-init]
>> struct path target = { new_dir->mnt, old_dentry };
>> ^
>> security/apparmor/file.c:476:39: note: (near initialization for 'target')
>>
>> Caused by commit
>>
>> 1a12979f61e4 ("randstruct: Mark various structs for randomization")
>>
>> interacting with commit
>>
>> 8014370f1257 ("apparmor: move path_link mediation to using labels")
>>
>> from the security tree.
>>
>> I added the following merge fix patch for today:
>>
>> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
>> Date: Tue, 20 Jun 2017 14:50:36 +1000
>> Subject: [PATCH] apparmor: put back designators in struct initialisers
>>
>> Fixes: 8014370f1257 ("apparmor: move path_link mediation to using labels")
>> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
>> ---
>> security/apparmor/file.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/security/apparmor/file.c b/security/apparmor/file.c
>> index b6e8e5b11e05..3382518b87fa 100644
>> --- a/security/apparmor/file.c
>> +++ b/security/apparmor/file.c
>> @@ -472,8 +472,8 @@ static int profile_path_link(struct aa_profile *profile,
>> int aa_path_link(struct aa_label *label, struct dentry *old_dentry,
>> const struct path *new_dir, struct dentry *new_dentry)
>> {
>> - struct path link = { new_dir->mnt, new_dentry };
>> - struct path target = { new_dir->mnt, old_dentry };
>> + struct path link = { .mnt = new_dir->mnt, .dentry = new_dentry };
>> + struct path target = { .mnt = new_dir->mnt, .dentry = old_dentry };
>> struct path_cond cond = {
>> d_backing_inode(old_dentry)->i_uid,
>> d_backing_inode(old_dentry)->i_mode
>> --
>> 2.11.0
>
> Thanks for the fix! That looks correct to me. It seems the refactoring
> in 8014370f1257 ("apparmor: move path_link mediation to using labels")
> didn't take 8486adf0d755 ("apparmor: use designated initializers")
> into account. John, if this looks okay, can you Ack it for James to
> carry in security-next?
>
yep, already done. Sorry I missed that one :(
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