bin/44692: top(1) crashes inside window(1)

[alnsn%yandex.ru@localhost]

>Number:         44692
>Category:       bin
>Synopsis:       top(1) crashes inside window(1)
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Mar 06 23:35:00 +0000 2011
>Originator:     Alexander Nasonov
>Release:        NetBSD 5.99.47 amd64
>Organization:
home sweet home
>Environment:
NetBSD nebeda.localdomain 5.99.47 NetBSD 5.99.47 (GENERIC) #0: Sun Feb 27 
15:04:35 GMT 2011  
root@nebeda.localdomain:/home/alnsn/src/netbsd-current/src/sys/arch/amd64/compile/obj/GENERIC
 amd64

>Description:
Screenshot:
─1──────────────────────────────────────────────────────────────────────────────
Escape character is ^P.
[window-v2 ttyp8] top
Memory fault (core dumped)
SEGV
[window-v2 ttyp8]






─2──────────────────────────────────────────────────────────────────────────────
e.
Loaded symbols for /usr/libexec/ld.elf_so

Core was generated by `top'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007f7ff68c4bd7 in strcpy () from /usr/lib/libc.so.12
(gdb) bt
#0  0x00007f7ff68c4bd7 in strcpy () from /usr/lib/libc.so.12
#1  0x00000000004072da in screen_readtermcap ()
#2  0x0000000000407e05 in main ()
(gdb)

>How-To-Repeat:
I login from Windows with putty and then I do
$ window
$ top

more(1) crashes too.
>Fix:
Not known