tests: verify that send addr is copied when async
tests: verify that send addr is copied when async

The kernel should not be touching timespec after returning from submit
syscall, make sure it's not reloaded after a request goes async.

Signed-off-by: Pavel Begunkov <8608d41fe50396a9dbd36e830be65ba791e26c05@gmail.com>
Link: https://lore.kernel.org/r/67fa1af95c4565ef0e9f43833b67d6c4d50d66f6.1662116617.git.8608d41fe50396a9dbd36e830be65ba791e26c05@gmail.com
Signed-off-by: Jens Axboe <cd8c6775e60d6f67a6984377324e5290df3d5358@kernel.dk>

axboe/liburing,axboe/liburing,axboe/liburing