On 8/12/21 9:40 PM, Pavel Begunkov wrote: > For the bug description see 2/2. As mentioned there the current problems > is because of generic_write_checks(), but there was also a similar case > fixed in 5.12, which should have been triggerable by normal > write(2)/read(2) and others. > > It may be better to enforce reexpands as a long term solution, but for > now this patchset is quickier and easier to backport. We need to do something with this, hopefully soon. > v2: don't fail it has been justly fully reverted > > Pavel Begunkov (2): > iov_iter: mark truncated iters > io_uring: don't retry with truncated iter > > fs/io_uring.c | 16 ++++++++++++++++ > include/linux/uio.h | 5 ++++- > 2 files changed, 20 insertions(+), 1 deletion(-) > -- Pavel Begunkov
