Re: [PATCH] inotify: Fix fd refcount leak in inotify_add_watch().

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Jan, will this fix be sent to linux.git shortly?
I still can't find this fix.

On 2019/01/03 2:48, Jan Kara wrote:
> On Tue 01-01-19 12:50:32, Amir Goldstein wrote:
>> On Tue, Jan 1, 2019 at 11:54 AM Tetsuo Handa
>> <penguin-kernel@xxxxxxxxxxxxxxxxxxx> wrote:
>>>
>>> Commit 4d97f7d53da7dc83 ("inotify: Add flag IN_MASK_CREATE for
>>> inotify_add_watch()") forgot to call fdput() before bailing out.
>>>
>>> Signed-off-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
>>> ---
>>>  fs/notify/inotify/inotify_user.c | 6 ++++--
>>>  1 file changed, 4 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
>>> index 105576d..798f125 100644
>>> --- a/fs/notify/inotify/inotify_user.c
>>> +++ b/fs/notify/inotify/inotify_user.c
>>> @@ -724,8 +724,10 @@ static int do_inotify_init(int flags)
>>>                 return -EBADF;
>>>
>>>         /* IN_MASK_ADD and IN_MASK_CREATE don't make sense together */
>>> -       if (unlikely((mask & IN_MASK_ADD) && (mask & IN_MASK_CREATE)))
>>> -               return -EINVAL;
>>> +       if (unlikely((mask & IN_MASK_ADD) && (mask & IN_MASK_CREATE))) {
>>> +               ret = -EINVAL;
>>> +               goto fput_and_out;
>>> +       }
>>>
>>
>> Thanks for the fix.
>> A matter of personal taste, but for brevity, I would prefer
>> initializing ret = -EINVAL
>> once and one liner goto here and in the case below.
>>
>> Either way, you may add:
>> Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx>
> 
> Thanks for the patch Tetsuo and for the review Amir. I've added the patch
> to my tree (added CC to stable) and will push it to Linus for rc2.
> 
> 								Honza
> 



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