aio: add timeout validity check for io_[p]getevents

maillist inclusion
category: bugfix
bugzilla: 47445
CVE: NA

Reference: https://lore.kernel.org/lkml/1564451504-27906-1-git-send-email-yi.zhang@huawei.com/



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io_[p]getevents syscall should return -EINVAL if timeout is out of
range, add this validity check.

Signed-off-by: zhangyi (F) <yi.zhang@huawei.com>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Cc: Jeff Moyer <jmoyer@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: yangerkun <yangerkun@huawei.com>
Reviewed-by: zhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>