kern/55451: Many unique panics from /usr/tests/sbin/sysctl/t_random_garbage

[jruohonen%iki.fi@localhost]

>Number:         55451
>Category:       kern
>Synopsis:       Many unique panics from /usr/tests/sbin/sysctl/t_random_garbage
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jul 03 06:55:00 +0000 2020
>Originator:     jruohonen%iki.fi@localhost
>Release:        NetBSD 9.99.68
>Organization:
>Environment:
System: NetBSD kafka 9.99.68 NetBSD 9.99.68 (CUSTOM) #0: Tue Jun 23 11:22:56 EEST 2020 jruoho@kafka:/tmp/obj/sys/arch/amd64/compile/CUSTOM amd64
Architecture: x86_64
Machine: amd64
>Description:
The test in /usr/tests/sbin/sysctl/t_random_garbage causes numerous unique
panics due to lack of input validation in the kernel. Also automated Qemu
runs are affected:
http://releng.netbsd.org/b5reports/i386/2020/2020.07.02.10.36.58/test.log
>How-To-Repeat:
cd /usr/tests/sbin/sysctl
atf-run | atf-report
>Fix:
N/A