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Re: slapd crashes (ITS#1541)

Fixed in HEAD and OPENLDAP_REL_ENG_2, please test.


At 03:27 AM 2002-01-20, pavlas@nextra.cz wrote:
>Full_Name: Zdenek Pavlas
>Version: openldap-2.0.21
>OS: FreeBSD 4.2
>URL: ftp://ftp.openldap.org/incoming/
>Submission from: (NULL) (
>I can reproduce the following slapd crash (*** being a valid DN I don't want to
>There are about 20 records below the base DN, and modifyTimestamp attr has no
>Same results also on other systems running debian.
>slapd log:
>conn=106 op=13 SRCH base="***" scope=1
>Segmentation fault
>$ gdb -c slapd.core -f slapd
>GNU gdb 4.18
>Copyright 1998 Free Software Foundation, Inc.
>GDB is free software, covered by the GNU General Public License, and you are
>welcome to change it and/or distribute copies of it under certain
>Type "show copying" to see the conditions.
>There is absolutely no warranty for GDB.  Type "show warranty" for details.
>This GDB was configured as "i386-unknown-freebsd"...
>Core was generated by Slapd'.
>Program terminated with signal 11, Segmentation fault.
>Reading symbols from /usr/local/lib/libgdbm.so.2...done.
>Reading symbols from /usr/lib/libfetch.so.2...done.
>Reading symbols from /usr/lib/libcom_err.so.2...done.
>Reading symbols from /usr/lib/libcrypt.so.2...done.
>Reading symbols from /usr/lib/libc_r.so.4...done.
>Reading symbols from /usr/libexec/ld-elf.so.1...done.
>#0  0x28153e94 in strcasecmp () from /usr/lib/libc_r.so.4
>(gdb) bt
>#0  0x28153e94 in strcasecmp () from /usr/lib/libc_r.so.4
>#1  0x8072e76 in ainfo_type_cmp (desc=0xf <Address 0xf out of bounds>,
>    a=0x8125820) at attr.c:42
>#2  0x807cbf3 in avl_find (root=0x8125950, data=0xf,
>    fcmp=0x8072e60 <ainfo_type_cmp>) at avl.c:634   
>#3  0x8072eb4 in attr_mask (li=0x80f4000, 
>    desc=0xf <Address 0xf out of bounds>, indexmask=0x855ac28) at attr.c:71
>#4  0x807b06a in index_mask (be=0x80ec480, desc=0x92b21e0, dbname=0x855ac54,
>    atname=0x855ac58) at index.c:40
>#5  0x807b126 in index_param (be=0x80ec480, desc=0x92b21e0, ftype=135,
>    dbnamep=0x855acb0, maskp=0x855acb4, prefixp=0x855acb8) at index.c:87
>#6  0x8077a8d in presence_candidates (be=0x80ec480, desc=0x92b21e0)
>    at filterindex.c:141
>#7  0x8077848 in filter_candidates (be=0x80ec480, f=0x92b20e0)
>    at filterindex.c:89
>#8  0x8078521 in list_candidates (be=0x80ec480, flist=0x855ae08, ftype=161)
>    at filterindex.c:464
>#9  0x8077959 in filter_candidates (be=0x80ec480, f=0x855adf0)
>    at filterindex.c:104
>#10 0x8078521 in list_candidates (be=0x80ec480, flist=0x855ae14, ftype=160)
>    at filterindex.c:464
>#11 0x80778fd in filter_candidates (be=0x80ec480, f=0x855ae20)
>    at filterindex.c:99
>#12 0x807173a in search_candidates (be=0x80ec480, e=0x80f3440,
>    filter=0x92b20e0, scope=1, deref=0, manageDSAit=0) at search.c:429
>#13 0x8070f81 in ldbm_back_search (be=0x80ec480, conn=0x812e5c4,
>    base=0x9310500 "***", nbase=0x9310540 "***", scope=1,
>    deref=0, slimit=0, tlimit=0, filter=0x92b20e0, 
>    filterstr=0x93105c0 "(modifyTimestamp>=20020115103250Z)", attrs=0x92d4ec0, 
>    attrsonly=0) at search.c:142
>#14 0x804faea in do_search (conn=0x812e5c4, op=0x8f78280) at search.c:278
>#15 0x804e8d4 in connection_operation (arg_v=0x812d490) at connection.c:831
>#16 0x808272e in ldap_int_thread_pool_wrapper (pool=0x80ed1c0) at tpool.c:379
>#17 0x281039ab in _thread_start () from /usr/lib/libc_r.so.4
>#18 0x0 in ?? ()