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SubjectRe: [PATCH v2 2/2] fs: avoid fdput() after failed fdget() in kernel_read_file_from_fd()
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Hi Luis,

On 2020-05-13 7:19 a.m., Luis Chamberlain wrote:
> On Wed, May 13, 2020 at 7:13 AM Luis Chamberlain <mcgrof@kernel.org> wrote:
>> On Wed, May 13, 2020 at 06:49:50AM +0100, Al Viro wrote:
>>> On Tue, May 12, 2020 at 01:43:05PM -0600, Shuah Khan wrote:
>>>> diff --git a/fs/exec.c b/fs/exec.c
>>>> index 06b4c550af5d..ea24bdce939d 100644
>>>> --- a/fs/exec.c
>>>> +++ b/fs/exec.c
>>>> @@ -1021,8 +1021,8 @@ int kernel_read_file_from_fd(int fd, void **buf, loff_t *size, loff_t max_size,
>>>> goto out;
>>>>
>>>> ret = kernel_read_file(f.file, buf, size, max_size, id);
>>>> -out:
>>>> fdput(f);
>>>> +out:
>>>> return ret;
>>> Incidentally, why is that thing exported?
>> Both kernel_read_file_from_fd() and kernel_read_file() are exported
>> because they have users, however kernel_read_file() only has security
>> stuff as a user. Do we want to get rid of the lsm hook for it?
> Alright, yeah just the export needs to be removed. I have a patch
> series dealing with these callers so will add it to my queue.
When will these changes make it into linux-next?
It is difficult for me to complete my patch series without these other
misc. changes in place.
>
> Luis
Regards,
 Scott

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