Re: [PATCH v1 0/3] io_uring mm related abuses

[Pavel Begunkov <asml.silence@gmail.com>]

On 6/24/25 11:35, Pavel Begunkov wrote:
> Patch 1 uses unpin_user_folio instead of the page variant.
> Patches 2-3 make sure io_uring doesn't make any assumptions
> about user pointer alignments.

I didn't reproduce the alignment issue, sth wrong with my
KASAN'ed machine, need to fix that, and it did't trigger
without it.

> 
> Pavel Begunkov (3):
>    io_uring/rsrc: fix folio unpinning
>    io_uring/rsrc: don't rely on user vaddr alignment
>    io_uring: don't assume uaddr alignment in io_vec_fill_bvec
> 
>   io_uring/rsrc.c | 28 +++++++++++++++++++++-------
>   io_uring/rsrc.h |  1 +
>   2 files changed, 22 insertions(+), 7 deletions(-)
> 

-- 
Pavel Begunkov