kern/60438: aio doesn't work under compat32

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>Number:         60438
>Category:       kern
>Synopsis:       aio doesn't work under compat32
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jul 10 15:10:00 +0000 2026
>Originator:     Taylor R Campbell
>Release:        current, 11, 10, 9, ...
>Organization:
Acme Asynchronous I/O Compatibility, Inc.
>Environment:
>Description:

	The aio syscalls fail with SIGSYS:

t_aio_cancel (2/90): 3 test cases
    cancel_active_write: [0.514159s] Failed: Test program received signal 12 (core dumped)
    cancel_completed_request: [0.321425s] Failed: Test program received signal 12 (core dumped)
    cancel_invalid_fd: [0.363389s] Failed: Test program received signal 12 (core dumped)
[1.200289s]

t_aio_lio (3/90): 2 test cases
    lio_nowait: [0.324488s] Failed: Test program received signal 12 (core dumped)
    lio_wait_write_then_read: [0.366541s] Failed: Test program received signal 12 (core dumped)
[0.691891s]

>How-To-Repeat:

	cd /usr/tests/lib/libc/sys && atf-run t_*aio*

>Fix:

	Yes, please!