On 8/12/20 2:39 AM, Stefano Garzarella wrote: > On Tue, Aug 11, 2020 at 09:52:55AM -0600, Jens Axboe wrote: >> Check the ipt.error value, it must have been either cleared to zero or >> set to another error than the default -EINVAL if we don't go through the >> waitqueue proc addition. Just give up on poll at that point and return >> failure, this will fallback to async work. >> >> io_poll_add() doesn't suffer from this failure case, as it returns the >> error value directly. >> >> Cc: stable@xxxxxxxxxxxxxxx # v5.7+ >> Reported-by: syzbot+a730016dc0bdce4f6ff5@xxxxxxxxxxxxxxxxxxxxxxxxx >> Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> > > LGTM: > Reviewed-by: Stefano Garzarella <sgarzare@xxxxxxxxxx> Thanks for the review, added. -- Jens Axboe
