port-hppa/49708: makemandb crashes on hppa

[martin%NetBSD.org@localhost]

>Number:         49708
>Category:       port-hppa
>Synopsis:       makemandb crashes on hppa
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-hppa-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Mar 01 08:10:00 +0000 2015
>Originator:     Martin Husemann
>Release:        NetBSD 7.99.5
>Organization:
The NetBSD Foundation, Inc
>Environment:
System: NetBSD moondance.duskware.de 7.99.5 NetBSD 7.99.5 (MOONDANCE) #0: Wed Feb 25 15:54:58 CET 2015 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/usr/src/sys/arch/hppa/compile/MOONDANCE hppa
Architecture: hppa
Machine: hppa
>Description:

Core was generated by `makemandb'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x0002b600 in __canonicalize_funcptr_for_compare ()
(gdb) bt
#0  0x0002b600 in __canonicalize_funcptr_for_compare ()
#1  0x000133f4 in pmdoc_Sh (n=<optimized out>, rec=rec@entry=0xb0002288)
    at /usr/src/usr.sbin/makemandb/makemandb.c:1113
#2  0x000133cc in pmdoc_Sh (n=<optimized out>, rec=rec@entry=0xb0002288)
    at /usr/src/usr.sbin/makemandb/makemandb.c:1135
#3  0x000133cc in pmdoc_Sh (n=<optimized out>, rec=rec@entry=0xb0002288)
    at /usr/src/usr.sbin/makemandb/makemandb.c:1135
#4  0x000133cc in pmdoc_Sh (n=<optimized out>, rec=0xb0002288)
    at /usr/src/usr.sbin/makemandb/makemandb.c:1135
#5  0x00012668 in pmdoc_node (n=<optimized out>, rec=rec@entry=0xb0002288)
    at /usr/src/usr.sbin/makemandb/makemandb.c:942
#6  0x00012674 in pmdoc_node (n=<optimized out>, rec=rec@entry=0xb0002288)
    at /usr/src/usr.sbin/makemandb/makemandb.c:948
#7  0x00012674 in pmdoc_node (n=<optimized out>, rec=rec@entry=0xb0002288)
    at /usr/src/usr.sbin/makemandb/makemandb.c:948
#8  0x0002c91c in begin_parse (len=7837, buf=0xaeed8000, rec=0xb0002288, 
    mp=0xaf414040, file=0xaf2429d0 "/usr/share/man/man7/mandoc_tbl.7")
    at /usr/src/usr.sbin/makemandb/makemandb.c:889
#9  update_db (rec=0xb0002288, mp=0xaf414040, db=0xaf40e008)
    at /usr/src/usr.sbin/makemandb/makemandb.c:810
#10 main (argc=<optimized out>, argv=<optimized out>)
    at /usr/src/usr.sbin/makemandb/makemandb.c:434

>How-To-Repeat:
Haven't tried yet, the weekly run triggered it on my system.

>Fix:
n/a