Easily reproducable.
./configure --without-tls --without-cyrus-sasl --disable-slapd CFLAGS=3D= "-O0 -g" make -s
echo TIMEOUT 1 > ldaprc
: Run a listening "server" which just sleeps python -c 'import time; from socket import *; s =3D socket(AF=5FINET, S= OCK=5FSTREAM); s.bind(("localhost", 3890)); s.listen(5); time.sleep(999= 9)' &
gdb -q clients/tools/ldapsearch (gdb) run -xh localhost:3890 ldapsearch: error.c:255: ldap=5Fparse=5Fresult: Assertion `r !=3D ((voi= d *)0)' failed.
(gdb) backtrace #0 0x00002b811748d265 in raise () from /lib64/libc.so.6 #1 0x00002b811748ed10 in abort () from /lib64/libc.so.6 #2 0x00002b81174866e6 in =5F=5Fassert=5Ffail () from /lib64/libc.so.6 #3 0x0000000000413234 in ldap=5Fparse=5Fresult (ld=3D0x65a7170, r=3D0x= 0, errcodep=3D0x7fffc814f1a8, matcheddnp=3D0x7fffc814f190, errmsgp=3D0x= 7fffc814f188,=20 referralsp=3D0x7fffc814f180, serverctrls=3D0x7fffc814f198, freeit=3D= 1) at error.c:255 #4 0x0000000000408cfd in tool=5Fbind (ld=3D0x65a7170) at common.c:1422=
#5 0x0000000000403fef in main (argc=3D3, argv=3D0x7fffc8153508) at lda= psearch.c:912 (gdb) frame 4 #4 0x0000000000408cfd in tool=5Fbind (ld=3D0x65a7170) at common.c:1422=
1422 rc =3D ldap=5Fparse=5Fresult( ld, result, &err,= &matched, &info, &refs, (gdb) info locals err =3D 0 msgbuf =3D "\000\000\000\000\000\000\000\000\0005e\000\000\000\000\000(= \000\000\000\021\000\000\000pqZ\006\000\000\000\000=C0=F0\024=C8=FF\177= \000\000PpZ\006\000\000\000\000=A0rZ\006\000\000\000\000xqZ\006", '\0' = <repeats 12 times>, "0=F3Z\006\000\000\000\000=F0=F0\024=C8=FF\177\000= 000\025=FA@", '\0' <repeats 13 times>, " =F1\024=C8=FF\177\000\000pqZ\0= 06\000\000\000\000\2008e\000\000\000\000\0000=F1\024=C8=FF\177\000\000Q= =FB@\000\000\000\000\0000=F1\024=C8=FF\177\000\000`\216B\000\000\000\00= 0\000PpZ\006\000\000\000\000=F0=F1\024=C8=FF\177\000\000\003\000\000\00= 0\000\000\000\000pqZ\006\000\000\000\000P=F2\024=C8=FF\177\000\000=B0\2= 11@\000\000"... info =3D 0x0 refs =3D (char **) 0x0 msgid =3D 1 rc =3D 0 result =3D (LDAPMessage *) 0x0 ctrls =3D (LDAPControl **) 0x0 matched =3D 0x0 sctrlsp =3D (LDAPControl **) 0x0 sctrls =3D {0x0, 0x65a7020, 0x443b26} sctrl =3D {{ldctl=5Foid =3D 0xffffffff <Address 0xffffffff out of bound= s>, ldctl=5Fvalue =3D {bv=5Flen =3D 0, bv=5Fval =3D 0x0}, ldctl=5Fiscri= tical =3D 0 '\0'}, { ldctl=5Foid =3D 0x65a7050 "ldap://localhost:3890", ldctl=5Fvalue =3D= {bv=5Flen =3D 106590352, bv=5Fval =3D 0x4fc2 <Address 0x4fc2 out of bo= unds>},=20 ldctl=5Fiscritical =3D -43 '=D5'}, {ldctl=5Foid =3D 0x65a7170 "0=F3= Z\006", ldctl=5Fvalue =3D {bv=5Flen =3D 388262848, bv=5Fval =3D 0x7fffc= 8153420 ""},=20 ldctl=5Fiscritical =3D -110 '\222'}} nsctrls =3D 0 =5F=5FPRETTY=5FFUNCTION=5F=5F =3D "tool=5Fbind"
--=20 Hallvard