On 24/06/2020 19:50, Pavel Begunkov wrote: > Did more comprehensive iopoll testing and found some more problems. > > [1] is from the previous series. Actually, v2 for this one, addressing > the double-reissue bug found by Jens. It maybe not as efficient, but > simple and easy to backport. > > [2,3] current->mm NULL deref And yet there are issues left... I'll resend > > Pavel Begunkov (3): > io_uring: fix hanging iopoll in case of -EAGAIN > io_uring: fix current->mm NULL dereference on exit > io_uring: fix NULL-mm for linked reqs > > fs/io_uring.c | 33 ++++++++++++++++++++++----------- > 1 file changed, 22 insertions(+), 11 deletions(-) > -- Pavel Begunkov