kern/54742: missing kernel version bump?

[martin%NetBSD.org@localhost]

>Number:         54742
>Category:       kern
>Synopsis:       missing kernel version bump?
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Dec 06 21:05:00 +0000 2019
>Originator:     Martin Husemann
>Release:        NetBSD 9.99.19
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD thirdstage.duskware.de 9.99.19 NetBSD 9.99.19 (MODULAR) #257: Tue Dec 3 20:05:37 CET 2019 martin%thirdstage.duskware.de@localhost:/usr/src/sys/arch/sparc64/compile/MODULAR sparc64
Architecture: sparc64
Machine: sparc64
>Description:

This machine mounts kernfs via the kernfs module. I update the kernel, but not
yet the modules (as kernel version did not change). But:

Mounting all file systems...
[  31.1111100] cpu1: data fault: pc=15cede0 rpc=0 addr=0
[  31.1711052] kernel trap 30: data access exception
Stopped in pid 191.1 (mount_kernfs) at  netbsd:set_statvfs_info+0x20:   ldx             
[%l0 + 0x1c0], %g3
db{1}> bt
kernfs_mount(1053f4c88, ffffffffffffd2d0, 0, 1d116bcd8, 1053b1860, 0) at kernfs:
kernfs_mount+0x8c
VFS_MOUNT(1053f4c88, ffffffffffffd2d0, 0, 1d116bcd8, 1cc5000, 1053f4c88) at netb
sd:VFS_MOUNT+0x20
mount_domount(104c86e20, 1d116bbf0, 1053f59d8, ffffffffffffd2d0, 0, 0) at netbsd
:mount_domount+0x8c
do_sys_mount(104c86e20, 0, 0, ffffffffffffd2d0, 0, 0) at netbsd:do_sys_mount+0x2
8c
sys___mount50(104c86e20, 1d116bde0, 1d116bdd0, 1, 4070e388, 46c32e0) at netbsd:s
ys___mount50+0x28
syscall(1d116bed0, 1d116bf68, 40761b10, 5, 4, 104c86e20) at netbsd:syscall+0x41c



>How-To-Repeat:
s/a

>Fix:
n/a