On 09/01/2017 12:15 PM, Shaohua Li wrote: > From: Shaohua Li <shli@xxxxxx> > > lo_rw_aio->call_read_iter-> > 1 aops->direct_IO > 2 iov_iter_revert > lo_rw_aio_complete could happen between 1 and 2, the bio and bvec could > be freed before 2, which accesses bvec. Applied 1-2, thanks. -- Jens Axboe