openldap-bugs April 2021

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[Issue 9288] New: slapd service stops suddenly but generates crash file
by openldap-its＠openldap.org 31 Mar '21

31 Mar '21

https://bugs.openldap.org/show_bug.cgi?id=9288 Issue ID: 9288 Summary: slapd service stops suddenly but generates crash file Product: OpenLDAP Version: 2.4.49 Hardware: x86_64 OS: Linux Status: UNCONFIRMED Severity: normal Priority: --- Component: backends Assignee: bugs(a)openldap.org Reporter: tekkitan(a)gmail.com Target Milestone: --- System: t3.small AWS instance 2VCPU 2GB RAM OS: Ubuntu 20.04 (was happening on 16.04 as well) Package Version: 2.4.49+dfsg-2ubuntu1.2 We've been having this weird problem with slapd between Ubuntu 16.04 and Ubuntu 20.04 where slapd will suddenly stop according to syslog but will also generate a crash file within apport. We thought it was due to some weird stuff we were doing in the 16.04 version (2.4.42+dfsg-2ubuntu3.8), but we deployed a new LDAP proxy in 20.04 (2.4.49+dfsg-2ubuntu1.2) which appears to have the same issue so I am reporting it and hoping for guidance as we use this proxy for our corporate VPN. Below is the backtrace which was the same from both proxy systems, but this one is from the 20.04 version as that is our current system in use: root@useldap02:~/_usr_sbin_slapd.0.crash# apport-retrace --stdout /var/crash/_usr_sbin_slapd.0.crash --- stack trace --- #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 set = {__val = {0, 140488162916432, 140488307736576, 140487911640016, 140487911640117, 140487911640016, 140487911640016, 140487911640147, 140487911640316, 140487911640016, 140487911640316, 0, 0, 0, 0, 0}} pid = <optimized out> tid = <optimized out> ret = <optimized out> #1 0x00007fc5f3043859 in __GI_abort () at abort.c:79 save_stage = 1 act = {__sigaction_handler = {sa_handler = 0x2, sa_sigaction = 0x2}, sa_mask = {__val = {131, 4, 99, 0, 0, 140488164070405, 0, 21474836480, 140488121483504, 0, 140488164102160, 0, 6703301646461552640, 140488164070405, 140488165695488, 140488164087176}}, sa_flags = -235332728, sa_restorer = 0xbf} sigs = {__val = {32, 0 <repeats 15 times>}} #2 0x00007fc5f3043729 in __assert_fail_base (fmt=0x7fc5f31d9588 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x7fc5f1f91953 "!LDAP_BACK_CONN_TAINTED( lc )", file=0x7fc5f1f91b88 "../../../../../servers/slapd/back-ldap/bind.c", line=191, function=<optimized out>) at assert.c:92 str = 0x7fc5c410a280 "@Q\021\344\305\177" total = 4096 #3 0x00007fc5f3054f36 in __GI___assert_fail (assertion=0x7fc5f1f91953 "!LDAP_BACK_CONN_TAINTED( lc )", file=0x7fc5f1f91b88 "../../../../../servers/slapd/back-ldap/bind.c", line=191, function=0x7fc5f1f921a0 "ldap_back_conn_delete") at assert.c:101 No locals. #4 0x00007fc5f1f807c7 in ldap_back_conn_delete () from /usr/lib/ldap/back_ldap-2.4.so.2 No symbol table info available. #5 0x00007fc5f1f814a4 in ?? () from /usr/lib/ldap/back_ldap-2.4.so.2 No symbol table info available. #6 0x00007fc5f1f815ad in ldap_back_release_conn_lock () from /usr/lib/ldap/back_ldap-2.4.so.2 No symbol table info available. #7 0x00007fc5f1f833bc in ldap_back_retry () from /usr/lib/ldap/back_ldap-2.4.so.2 No symbol table info available. #8 0x00007fc5f1f7ec0b in ldap_back_search () from /usr/lib/ldap/back_ldap-2.4.so.2 No symbol table info available. #9 0x000055b87105cc88 in overlay_op_walk () No symbol table info available. #10 0x000055b87105cdb7 in ?? () No symbol table info available. #11 0x000055b870fef80d in fe_op_search () No symbol table info available. #12 0x000055b870fef034 in do_search () No symbol table info available. #13 0x000055b870fec6ed in ?? () No symbol table info available. #14 0x000055b870fed22c in ?? () No symbol table info available. #15 0x00007fc5f32e7a03 in ?? () from /lib/x86_64-linux-gnu/libldap_r-2.4.so.2 No symbol table info available. #16 0x00007fc5f3219609 in start_thread (arg=<optimized out>) at pthread_create.c:477 ret = <optimized out> pd = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140488121493248, -8220430158823943899, 140488129874654, 140488129874655, 140488129874784, 140488121490880, 8241811018110734629, 8241811687867814181}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 #17 0x00007fc5f3140103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. This is usually what we see within syslog when slapd stops: Jul 11 00:49:32 useldap02 slapd[5257]: conn=1035 op=239 SRCH base="ou=people,dc=company,dc=com" scope=2 deref=0 filter="(&(|(objectClass=person)(objectClass=organizationalPerson)(objectClass=inetOrgPerson)(?objectClass=fw1Person))(uid=exampleusername))" Jul 11 00:49:32 useldap02 slapd[5257]: conn=1035 op=239 SRCH attr=cn uid sn mail proxyAddresses userPrincipalName fullName displayName description objectclass fw1hour-range-from fw1hour-range-to fw1expiration-date fw1day fw1allowed-dst fw1allowed-src fw1auth-method userAccountControl fw1userPwdPolicy mobile fw1BadPwdCount fw1lastLoginFailure fw1pwdLastMod fw1auth-server fw1auth-server fw1groupTemplate fw1sr-auth-track fw1enc-methods fw1ISAKMP-EncMethod fw1ISAKMP-AuthMethods fw1ISAKMP-HashMethods fw1ISAKMP-Transform fw1ISAKMP-DataIntegrityMethod fw1ISAKMP-SharedSecret fw1ISAKMP-DataEncMethod givenName surname Jul 11 00:49:32 useldap02 slapd[5257]: conn=1035 op=240 SRCH base="ou=groups,dc=company,dc=com" scope=2 deref=0 filter="(&(|(objectClass=person)(objectClass=organizationalPerson)(objectClass=inetOrgPerson)(?objectClass=fw1Person))(uid=exampleusername))" Jul 11 00:49:32 useldap02 slapd[5257]: conn=1035 op=240 SRCH attr=cn uid sn mail proxyAddresses userPrincipalName fullName displayName description objectclass fw1hour-range-from fw1hour-range-to fw1expiration-date fw1day fw1allowed-dst fw1allowed-src fw1auth-method userAccountControl fw1userPwdPolicy mobile fw1BadPwdCount fw1lastLoginFailure fw1pwdLastMod fw1auth-server fw1auth-server fw1groupTemplate fw1sr-auth-track fw1enc-methods fw1ISAKMP-EncMethod fw1ISAKMP-AuthMethods fw1ISAKMP-HashMethods fw1ISAKMP-Transform fw1ISAKMP-DataIntegrityMethod fw1ISAKMP-SharedSecret fw1ISAKMP-DataEncMethod givenName surname Jul 11 00:49:34 useldap02 slapd[28099]: * Stopping OpenLDAP slapd Jul 11 00:49:34 useldap02 slapd[28099]: ...done. Jul 11 00:49:34 useldap02 systemd[1]: slapd.service: Succeeded. Note that a lot of these attributes being searched for (all the fw1* attributes) do not exist within our LDAP. Not sure if that would be the cause. Thank you for any help that can be provided. -- You are receiving this mail because: You are on the CC list for the issue.

1 13

[Issue 9270] New: Admin guide: Add detailed information on indexing
by openldap-its＠openldap.org 31 Mar '21

31 Mar '21

https://bugs.openldap.org/show_bug.cgi?id=9270 Issue ID: 9270 Summary: Admin guide: Add detailed information on indexing Product: OpenLDAP Version: 2.5 Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: documentation Assignee: bugs(a)openldap.org Reporter: quanah(a)openldap.org Target Milestone: --- It would be useful to outline what the different types of indexing options do, and when they are useful, in the admin guide. For example: presence indexing is only useful if looking to find entries with a given attribute, when generally < 50% of the entries in the DB have an instance of that attribute. equality indexing would not be particularly useful on an attribute that exists in most every entry, and the attribute always has the same value etc. -- You are receiving this mail because: You are on the CC list for the issue.

1 3

[Bug 9260] New: slapd-ldap(5) man page missing conn-pool-max option
by openldap-its＠openldap.org 31 Mar '21

31 Mar '21

https://bugs.openldap.org/show_bug.cgi?id=9260 Bug ID: 9260 Summary: slapd-ldap(5) man page missing conn-pool-max option Product: OpenLDAP Version: 2.4.50 Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: documentation Assignee: bugs(a)openldap.org Reporter: quanah(a)openldap.org Target Milestone: --- The slapd-ldap(5) man page is missing any information on the conn-pool-max configuration option. Part of ITS#4791 -- You are receiving this mail because: You are on the CC list for the bug.

1 7

[Issue 9251] slapd tries to allocate huge amounts of memory for deeply nested filter
by openldap-its＠openldap.org 31 Mar '21

31 Mar '21

https://bugs.openldap.org/show_bug.cgi?id=9251 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |VERIFIED Resolution|TEST |FIXED -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Bug 9241] New: olcRefintNothing refuse to accept space in the target dn
by openldap-its＠openldap.org 31 Mar '21

31 Mar '21

https://bugs.openldap.org/show_bug.cgi?id=9241 Bug ID: 9241 Summary: olcRefintNothing refuse to accept space in the target dn Product: OpenLDAP Version: 2.4.49 Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: overlays Assignee: bugs(a)openldap.org Reporter: sebastien.chaumat(a)qspin.be Target Milestone: --- When configuring refint : dn: olcOverlay={2}refint,olcDatabase={1}mdb,cn=config objectClass: olcOverlayConfig objectClass: olcRefintConfig olcOverlay: {2}refint olcRefintAttribute: seeAlso olcRefintNothing: cn=admin,dc=test is accepted but olcRefintNothing: cn=admin space,dc=test is rejected when I ldapadd the configuration with the message : ldap_add: Constraint violation (19) additional info: <olcRefintNothing> extra cruft after <string> I tried various quoting : cn="admin space",dc=test cn=admin\20space "cn=admin space" -- You are receiving this mail because: You are on the CC list for the bug.

1 6

[Issue 9152] Configuring autoca before database exists crashes slapd
by openldap-its＠openldap.org 31 Mar '21

31 Mar '21

https://bugs.openldap.org/show_bug.cgi?id=9152 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |VERIFIED Resolution|TEST |FIXED -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 9079] documentation: slapo-unique syntax explanation unclear
by openldap-its＠openldap.org 31 Mar '21

31 Mar '21

https://bugs.openldap.org/show_bug.cgi?id=9079 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |VERIFIED -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 9051] slapo-accesslog fails to log compare, search
by openldap-its＠openldap.org 31 Mar '21

31 Mar '21

https://bugs.openldap.org/show_bug.cgi?id=9051 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |VERIFIED -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 9016] cn=config should fail on EMIT if target directory not empty
by openldap-its＠openldap.org 31 Mar '21

31 Mar '21

https://bugs.openldap.org/show_bug.cgi?id=9016 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |VERIFIED -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 9001] try_read1msg() takes O(n) steps to lookup a matching request
by openldap-its＠openldap.org 31 Mar '21

31 Mar '21

https://bugs.openldap.org/show_bug.cgi?id=9001 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |VERIFIED -- You are receiving this mail because: You are on the CC list for the issue.

1 0

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openldap-bugs April 2021