bin/54139: makemandb dumps core

[martin%NetBSD.org@localhost]

>Number:         54139
>Category:       bin
>Synopsis:       makemandb dumps core
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Apr 24 18:55:00 +0000 2019
>Originator:     Martin Husemann
>Release:        NetBSD 8.99.37
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD nelly.aprisoft.de 8.99.37 NetBSD 8.99.37 (NELLY) #29: Wed Apr 24 11:21:34 CEST 2019 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/work/src/sys/arch/sparc64/compile/NELLY sparc
Architecture: sparc
Machine: sparc
>Description:

Reproducable on this machine, no idea what makes it special.

At startup I get a /makemandb.core that says:
Core was generated by `makemandb'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x207c848c in strlen () from /usr/lib/libc.so.12
(gdb) bt
#0  0x207c848c in strlen () from /usr/lib/libc.so.12
#1  0x200c80b8 in sqlite3DbStrDup (db=0x2019c208, 
    z=0x208ea7f8 <error: Cannot access memory at address 0x208ea7f8>)
    at /work/src/external/public-domain/sqlite/lib/../dist/sqlite3.c:27019
#2  0x2012841c in codeAllEqualityTerms (pzAff=<synthetic pointer>, 
    nExtraReg=0, bRev=<optimized out>, pLevel=0x209154f8, pParse=0xffffd6f8)
    at /work/src/external/public-domain/sqlite/lib/../dist/sqlite3.c:136121
#3  sqlite3WhereCodeOneLoopStart (notReady=18446744073709551615, iLevel=0, 
    pWInfo=0x20915208)
    at /work/src/external/public-domain/sqlite/lib/../dist/sqlite3.c:5962
#4  sqlite3WhereBegin (pParse=<optimized out>, pParse@entry=0xffffd6f8, 
    pTabList=<optimized out>, pTabList@entry=0x2091e808, 
    pWhere=pWhere@entry=0x209208d8, pOrderBy=<optimized out>, 
    pResultSet=<optimized out>, wctrlFlags=<optimized out>, 
    wctrlFlags@entry=0, iAuxArg=<optimized out>)
    at /work/src/external/public-domain/sqlite/lib/../dist/sqlite3.c:13265
#5  0x2011b29c in sqlite3Select (pParse=<optimized out>, 
    pParse@entry=0xffffd6f8, p=<optimized out>, pDest=<optimized out>, 
    pDest@entry=0xffffd1b8)
    at /work/src/external/public-domain/sqlite/lib/../dist/sqlite3.c:130026
#6  0x20145894 in yy_reduce (yyLookahead=<optimized out>, pParse=0xffffd6f8, 
    yyruleno=<optimized out>, yypParser=0xffffd1d4, yyLookaheadToken=...)
    at /work/src/external/public-domain/sqlite/lib/../dist/sqlite3.c:149853
#7  sqlite3Parser (yyminor=..., yymajor=<optimized out>, yyp=0xffffd1d4)
    at /work/src/external/public-domain/sqlite/lib/../dist/sqlite3.c:20045
#8  sqlite3RunParser (pParse=pParse@entry=0xffffd6f8, zSql=0x209683f3 "", 
    zSql@entry=0x209683c0 "SELECT * FROM mandb_meta WHERE md5_hash = :md5_hash", pzErrMsg=<optimized out>, pzErrMsg@entry=0xffffd6f0)
    at /work/src/external/public-domain/sqlite/lib/../dist/sqlite3.c:21234
#9  0x2014a1a4 in sqlite3Prepare (db=db@entry=0x2019c208, 
    zSql=zSql@entry=0x209683c0 "SELECT * FROM mandb_meta WHERE md5_hash = :md5_hash", nBytes=nBytes@entry=-1, prepFlags=prepFlags@entry=128, 
    pReprepare=pReprepare@entry=0x0, ppStmt=ppStmt@entry=0xffffd974, 
    pzTail=pzTail@entry=0x0)
    at /work/src/external/public-domain/sqlite/lib/../dist/sqlite3.c:123355
#10 0x2014a6c8 in sqlite3LockAndPrepare (db=0x2019c208, 
    zSql=0x209683c0 "SELECT * FROM mandb_meta WHERE md5_hash = :md5_hash", 
    nBytes=-1, prepFlags=128, pOld=0x0, ppStmt=0xffffd974, 
    pzTail=<optimized out>)
    at /work/src/external/public-domain/sqlite/lib/../dist/sqlite3.c:123448
#11 0x2014aa20 in sqlite3_prepare_v2 (db=db@entry=0x2019c208, 
    zSql=0x209683c0 "SELECT * FROM mandb_meta WHERE md5_hash = :md5_hash", 
    nBytes=nBytes@entry=-1, ppStmt=ppStmt@entry=0xffffd974, 
    pzTail=pzTail@entry=0x0)
    at /work/src/external/public-domain/sqlite/lib/../dist/sqlite3.c:123819
#12 0x00032290 in check_md5 (buflen=<optimized out>, buf=0x20e32c40, 
    md5=<synthetic pointer>, db=0x2019c208, 
    file=0x20d56af0 "/usr/share/man/man3/dwarf_add_expr_gen.3")
    at /work/src/usr.sbin/makemandb/makemandb.c:1825
#13 update_db (rec=0xffffd978, mp=0x2039a000, db=0x2019c208)
    at /work/src/usr.sbin/makemandb/makemandb.c:781
#14 main (argc=<optimized out>, argv=<optimized out>)
    at /work/src/usr.sbin/makemandb/makemandb.c:434


>How-To-Repeat:
s/a

>Fix:
n/a