kern/54913: fexecve(2) panics in chroot(8)

[n54%gmx.com@localhost]

>Number:         54913
>Category:       kern
>Synopsis:       fexecve(2) panics in chroot(8)
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Feb 01 11:35:00 +0000 2020
>Originator:     Kamil Rytarowski
>Release:        9.99.44 NetBSD/amd64
>Organization:
TNF
>Environment:
9.99.44 NetBSD/amd64
>Description:
Try to enter chroot and run tests.

I have got null mounted /dev, /dev/pts and /tmp in the chroot environment.

kernel diagnostic assert "rpath != NULL" failed: file kern/kern_exec.c line 326
check_exec()
exec_script_makecmds()
check_exec()
execve_loadvm()
execve1()
sys_fexecve()
syscall()

kernel/t_fexecve (100/849): 2 test cases
    fexecve_elf: [0.059260s] Passed.
    fexecve_script
>How-To-Repeat:
cd /usr/tests/kernel
atf-run | atf-report

kernel/t_fexecve (100/849): 2 test cases
    fexecve_elf: [0.059260s] Passed.
    fexecve_script .... panic
>Fix:
N/A