- openldap-bugs - openldap.org

[Issue 10024] New: MDB_PREVSNAPSHOT broken
by openldap-its＠openldap.org 21 Feb '25

21 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=10024 Issue ID: 10024 Summary: MDB_PREVSNAPSHOT broken Product: LMDB Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: liblmdb Assignee: bugs(a)openldap.org Reporter: markus(a)objectbox.io Target Milestone: --- It seems that the patch #9496 had a negative side effect on MDB_PREVSNAPSHOT. In certain cases, when opening the DB using MDB_PREVSNAPSHOT, the previous (2nd latest) commit is not selected. Instead, reads show that the latest commit was selected voiding the effect of MDB_PREVSNAPSHOT. I observed this in our test cases a while back. Today, I was finally able to reproduce it and debug into it. When creating the transaction to read the data, I debugged into mdb_txn_renew0. Here, ti (MDB_txninfo; env->me_txns) was non-NULL. However, ti->mti_txnid was 0 (!) and thus txn->mt_txnid was set to 0. That's the reason for always selecting the first (index 0) meta page inside mdb_txn_renew0: meta = env->me_metas[txn->mt_txnid & 1]; This line occurs twice (once for read txn and once for write txn; it affects both txn types). Thus, the chances of MDB_PREVSNAPSHOT selecting the correct meta page is 50-50. It's only correct if the first meta page (index 0) is the older one. I believe that this is related to #9496 because the patch, that was provided there, removed the initialization of "env->me_txns->mti_txnid" in mdb_env_open2. This would explain why txn->mt_txnid inside mdb_txn_renew0 was set to 0. I can confirm that adding back the following two lines back in fixes MDB_PREVSNAPSHOT: if (env->me_txns) env->me_txns->mti_txnid = meta.mm_txnid; The said patch including the removal of these two lines was applied in the commit(s) "ITS#9496 fix mdb_env_open bug from #8704" (Howard Chu on 09.04.21). I hope this information is useful to find a suitable fix. Please let me know if you have questions. Also, I'd be happy to help confirming a potential fix with our test suite. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 10265] New: Make it possible to change olcBkLloadListen at runtime
by openldap-its＠openldap.org 19 Feb '25

19 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=10265 Issue ID: 10265 Summary: Make it possible to change olcBkLloadListen at runtime Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: lloadd Assignee: bugs(a)openldap.org Reporter: ondra(a)mistotebe.net Target Milestone: --- Currently, olcBkLloadListen changes only take effect on lloadd startup: - an added olcBkLloadListen should come online at the end of the modify operation - at the end of the modify operation a removed olcBkLloadListen will stop listening on the sockets associated with it, clients that connected over these are marked CLOSING - to facilitate replacing a value where URIs resolved sockets overlap, olcBkLloadListen should become a MAY in olcBkLloadConfig objectclass Lloadd's startup was modelled upon slapd's, but the requirements have changed considerably when it was turned into a module. Sockets are acquired at module configuration time, which is much later than standalone/slapd's own startup and so the way the URLs are handled also needs to be reworked. This will resolve other related issues. -- You are receiving this mail because: You are on the CC list for the issue.

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[Bug 9186] New: RFE: More metrics in cn=monitor
by openldap-its＠openldap.org 19 Feb '25

19 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=9186 Bug ID: 9186 Summary: RFE: More metrics in cn=monitor Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: backends Assignee: bugs(a)openldap.org Reporter: michael(a)stroeder.com Target Milestone: --- Currently I'm grepping metrics from syslog with mtail: https://gitlab.com/ae-dir/ansible-ae-dir-server/-/blob/master/templates/mta… With a new binary logging this is not possible anymore. Thus it would be nice if cn=monitor provides more metrics. 1. Overall connection count per listener starting at 0 when started. This would be a simple counter added to: entries cn=Listener 0,cn=Listeners,cn=Monitor 2. Counter for the various "deferring" messages separated by the reason for deferring. 3. Counters for all possible result codes. In my mtail program I also label it with the result type. -- You are receiving this mail because: You are on the CC list for the bug.

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[Issue 7249] slapd segfault with memberof overlay on frontend db
by openldap-its＠openldap.org 19 Feb '25

19 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=7249 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|TEST |FIXED --- Comment #23 from Quanah Gibson-Mount <quanah(a)openldap.org> --- RE26: • d66062dc by Ondřej Kuzník at 2025-02-19T18:37:48+00:00 ITS#7249 Let backend_attribute know who's calling it • 5c734d2b by Ondřej Kuzník at 2025-02-19T18:37:53+00:00 ITS#7249 Disallow memberof-addcheck when memberof is global -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 7080] post read control in back-config
by openldap-its＠openldap.org 19 Feb '25

19 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=7080 --- Comment #6 from Quanah Gibson-Mount <quanah(a)openldap.org> --- RE26 (2.6.10): • 8d19c205 by Ondřej Kuzník at 2025-02-19T18:06:29+00:00 ITS#7080 Do not munge path twice • f328965d by Ondřej Kuzník at 2025-02-19T18:06:33+00:00 ITS#7080 Implement pre/postread for modrdn • c667f2ea by Ondřej Kuzník at 2025-02-19T18:15:58+00:00 ITS#7080 Do not reuse back-ldif's stack for controls -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 7249] slapd segfault with memberof overlay on frontend db
by openldap-its＠openldap.org 19 Feb '25

19 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=7249 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|IN_PROGRESS |RESOLVED Resolution|--- |TEST --- Comment #22 from Quanah Gibson-Mount <quanah(a)openldap.org> --- head: • 993f488e by Ondřej Kuzník at 2025-02-19T17:29:04+00:00 ITS#7249 Let backend_attribute know who's calling it • f2cba910 by Ondřej Kuzník at 2025-02-19T17:29:04+00:00 ITS#7249 Disallow memberof-addcheck when memberof is global -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 10296] New: Force a Mac OS full flush
by openldap-its＠openldap.org 19 Feb '25

19 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=10296 Issue ID: 10296 Summary: Force a Mac OS full flush Product: LMDB Version: unspecified Hardware: All OS: Mac OS Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: liblmdb Assignee: bugs(a)openldap.org Reporter: renault.cle(a)gmail.com Target Milestone: --- Created attachment 1045 --> https://bugs.openldap.org/attachment.cgi?id=1045&action=edit Use a F_FULLFSYNC fcntl when committing on Mac OS Hello Howard and Happy New Year, As discussed in this issue [1], the LMDB durability is incorrect when committing. I propose the following patch that uses fcntl with the F_FULLFSYNC flag. The fcntl documentation is on this page [2]. Note that I kept the calls to msync/fsync for simplicity and because they don't cost much but feel free to skip them on Mac OS. Have a nice day, kero [1]: https://github.com/cberner/redb/pull/928#issuecomment-2567032808 [2]: https://developer.apple.com/library/archive/documentation/System/Conceptual… -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 10160] New: Add negset and negurl for slapo-constraint
by openldap-its＠openldap.org 19 Feb '25

19 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=10160 Issue ID: 10160 Summary: Add negset and negurl for slapo-constraint Product: OpenLDAP Version: 2.6.6 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: overlays Assignee: bugs(a)openldap.org Reporter: manu(a)netbsd.org Target Milestone: --- Created attachment 1003 --> https://bugs.openldap.org/attachment.cgi?id=1003&action=edit Add negset and negurl for slapo-constraint Add negset and negurl constraints for slapo-constraint. THe two new types are logical not of set and url. They will fire a constraint violation if the set or LDAP URL query is non empty. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 7080] post read control in back-config
by openldap-its＠openldap.org 19 Feb '25

19 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=7080 --- Comment #5 from Quanah Gibson-Mount <quanah(a)openldap.org> --- • 86d23423 by Ondřej Kuzník at 2024-12-16T17:01:26+00:00 ITS#7080 Do not munge path twice • e5826622 by Ondřej Kuzník at 2024-12-16T17:01:26+00:00 ITS#7080 Implement pre/postread for modrdn • 70d8e22d by Ondřej Kuzník at 2024-12-16T17:01:26+00:00 ITS#7080 Do not reuse back-ldif's stack for controls -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 10294] New: Overlay seems to load before schema in folder configuration mode
by openldap-its＠openldap.org 13 Feb '25

13 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=10294 Issue ID: 10294 Summary: Overlay seems to load before schema in folder configuration mode Product: OpenLDAP Version: 2.6.8 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: slapd Assignee: bugs(a)openldap.org Reporter: pduvax(a)gmail.com Target Milestone: --- In the folder configuration (vs slapd.conf file), the modules seem to be loaded before schema folders files. This makes troubles with memberOf attributeType which is created by the dynlist overlay if missing (cf. the base function "dynlist_initialize" which starts by doing this). As the schema files are not yet loaded, it creates systematically the attributes which then prohibits the load of msuser.ldif schema without raising the error "Duplicate attributeType". I found a workaround by naming the entry of the dynlist overlay olcModuleList cn=z-module{X} while z is alphanumerically after cn=schema. But as it is hazardous, I think that the best way is to load modules after the schema by the code. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 10306] New: epoll, kqueue etc. are not used when cross compiling
by openldap-its＠openldap.org 11 Feb '25

11 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=10306 Issue ID: 10306 Summary: epoll, kqueue etc. are not used when cross compiling Product: OpenLDAP Version: 2.6.9 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: build Assignee: bugs(a)openldap.org Reporter: hi(a)alyssa.is Target Milestone: --- OpenLDAP's build system relies on running test programs to see whether epoll or kqueue are available, after checking the headers are available. When cross compiling, test programs can't be run, and even if they could, they wouldn't produce useful results because they'd be testing the build machine. Running test programs like this isn't even a great idea for native builds, because the package is still quite likely to end up running on a different machine than it was built for — think about distro packages. This means that cross-compiled OpenLDAP ends up using select, even though it could almost certainly use epoll or kqueue. The best thing to do for this sort of thing is to check at runtime whether the epoll/kqueue/whatever is available, and fall back if not, but this would probably be hard to implement in OpenLDAP. Other, easier, things that could be done to improve the situation would be: • Assume that epoll/kqueue are available if the headers are. It's very unlikely nowadays that a system with the headers won't actually have the API available. • If the AC_RUN_IFELSE checks are staying, make sure that they're all overridabel with configure flags or at least AC_CACHE_CHECK. There are also uses of AC_RUN_IFELSE for pthreads, which presumably have the same problem. -- You are receiving this mail because: You are on the CC list for the issue.

1 1

[Issue 10308] New: Implement cn=monitor for back-asyncmeta
by openldap-its＠openldap.org 11 Feb '25

11 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=10308 Issue ID: 10308 Summary: Implement cn=monitor for back-asyncmeta Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: backends Assignee: bugs(a)openldap.org Reporter: nivanova(a)symas.com Target Milestone: --- Currently back-asyncmeta has no cn=monitor capabilities. It will be useful to implement some, specifically to monitor targets and target connection states. -- You are receiving this mail because: You are on the CC list for the issue.

1 1

[Issue 10139] back-config discloses existence of entries contrary to ACL
by openldap-its＠openldap.org 10 Feb '25

10 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=10139 Ondřej Kuzník <ondra(a)mistotebe.net> changed: What |Removed |Added ---------------------------------------------------------------------------- See Also| |https://bugs.openldap.org/s | |how_bug.cgi?id=10307 -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 10056] New: test069-delta-multiprovider-starttls failures on static builds
by openldap-its＠openldap.org 08 Feb '25

08 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=10056 Issue ID: 10056 Summary: test069-delta-multiprovider-starttls failures on static builds Product: OpenLDAP Version: 2.6.4 Hardware: x86_64 OS: Linux Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: build Assignee: bugs(a)openldap.org Reporter: kaction(a)disroot.org Target Milestone: --- Hello. I am getting following test error when trying to build `openldap` statically: ``` [nix-shell:/tmp/openldap-static/openldap-2.6.4/tests]$ ./run test069-delta-multiprovider-starttls Cleaning up test run directory leftover from previous run. Running ./scripts/test069-delta-multiprovider-starttls for mdb... running defines.sh Initializing server configurations... Starting server 1 on TCP/IP port 9011... Using ldapsearch to check that server 1 is running... Waiting 5 seconds for slapd to start... Using ldapadd for context on server 1... Starting server 2 on TCP/IP port 9012... Using ldapsearch to check that server 2 is running... Waiting 5 seconds for slapd to start... Using ldapadd to populate server 1... Waiting 7 seconds for syncrepl to receive changes... Using ldapsearch to read all the entries from server 1... Using ldapsearch to read all the entries from server 2... Comparing retrieved entries from server 1 and server 2... Using ldapadd to populate server 2... Using ldapsearch to read all the entries from server 1... Using ldapsearch to read all the entries from server 2... Comparing retrieved entries from server 1 and server 2... Breaking replication between server 1 and 2... Using ldapmodify to force conflicts between server 1 and 2... Restoring replication between server 1 and 2... Waiting 7 seconds for syncrepl to receive changes... Using ldapsearch to read all the entries from server 1... Using ldapsearch to read all the entries from server 2... Comparing retrieved entries from server 1 and server 2... test failed - server 1 and server 2 databases differ (561) ``` I added line number (561) into error message to pinpoint it more precisely. And here is difference between databases: ``` --- /tmp/openldap-static/openldap-2.6.4/tests/testrun/server1.flt 2023-05-23 22:53:51.000965129 -0400 +++ /tmp/openldap-static/openldap-2.6.4/tests/testrun/server2.flt 2023-05-23 22:53:51.005965136 -0400 @@ -289,13 +289,10 @@ userPassword:: amFq dn: cn=James A Jones 2,ou=Alumni Association,ou=People,dc=example,dc=com -carLicense: 123-XYZ cn: James A Jones 2 cn: James Jones cn: Jim Jones -description: Amazing description: Bizarre -description: Mindboggling description: Stupendous employeeNumber: 64 employeeType: deadwood @@ -307,7 +304,7 @@ pager: +1 313 555 3923 postalAddress: Alumni Association $ 111 Maple St $ Anytown, MI 48109 seeAlso: cn=All Staff,ou=Groups,dc=example,dc=com -sn: Surname +sn: Jones telephoneNumber: +1 313 555 0895 title: Mad Cow Researcher, UM Alumni Association uid: jaj ``` Suggestions on what more information I can provide are welcome. You can also try to build `pkgsStatic.openldap` in this nixpkgs [commit](f9e32f61282275eb5fa9064e08bbd0a92d1187de) -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 10149] New: [PATCH] Allow certificates and keys to be read from URIs.
by openldap-its＠openldap.org 05 Feb '25

05 Feb '25

https://bugs.openldap.org/show_bug.cgi?id=10149 Issue ID: 10149 Summary: [PATCH] Allow certificates and keys to be read from URIs. Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: libraries Assignee: bugs(a)openldap.org Reporter: minfrin(a)sharp.fm Target Milestone: --- Add the LDAP_OPT_X_TLS_URIS and LDAP_OPT_X_TLS_CACERTURIS options to allow certificates and keys to be set using OpenSSL provider URIs. The attached patch file is derived from OpenLDAP Software. All of the modifications to OpenLDAP Software represented in the following patch(es) were developed by Graham Leggett minfrin(a)sharp.fm. I have not assigned rights and/or interest in this work to any party. The attached modifications to OpenLDAP Software are subject to the following notice: Copyright 2023 Graham Leggett Redistribution and use in source and binary forms, with or without modification, are permitted only as authorized by the OpenLDAP Public License. -- You are receiving this mail because: You are on the CC list for the issue.

1 11

[Issue 10300] New: Add detailed instructions for MRs to "Guidelines for Contributing" page
by openldap-its＠openldap.org 28 Jan '25

28 Jan '25

https://bugs.openldap.org/show_bug.cgi?id=10300 Issue ID: 10300 Summary: Add detailed instructions for MRs to "Guidelines for Contributing" page Product: website Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: website Assignee: bugs(a)openldap.org Reporter: smckinney(a)symas.com Target Milestone: --- The current page covers submitting patches but doesn't adequately cover creating merge requests. This provides a barrier for new developers. In addition to clarifying when a change should be submitted with a patch or merge request, it could provide a set of steps including creating a fork, branch, squash, fixup, naming conventions and other info that would be lost on a new contributor. -- You are receiving this mail because: You are on the CC list for the issue.

1 3

[Bug 9245] New: devel/programming needs rewrite
by openldap-its＠openldap.org 28 Jan '25

28 Jan '25

https://bugs.openldap.org/show_bug.cgi?id=9245 Bug ID: 9245 Summary: devel/programming needs rewrite Product: website Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: website Assignee: bugs(a)openldap.org Reporter: quanah(a)openldap.org Target Milestone: --- The information on the devel/programming web page is at least a decade out of date and needs a complete overhaul. -- You are receiving this mail because: You are on the CC list for the bug.

1 1

[Issue 10298] New: cannot find DN in memberOf attribute when dynlist overlay contains multiple memberOf definitions
by openldap-its＠openldap.org 22 Jan '25

22 Jan '25

https://bugs.openldap.org/show_bug.cgi?id=10298 Issue ID: 10298 Summary: cannot find DN in memberOf attribute when dynlist overlay contains multiple memberOf definitions Product: OpenLDAP Version: 2.5.13 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: overlays Assignee: bugs(a)openldap.org Reporter: jan.pekar(a)imatic.cz Target Milestone: --- I'm using dynlist to define multiple static objectClasses (static-oc) to be searched for member attributes and added to memberOf attribute. My configuration is in cn=config, so I defined it using multiple olcDlAttrSet attributes groupOfURLs memberURL member+memberOf@groupOfMembers* groupOfURLs memberURL member+memberOf@groupOfNames* I noticed, that memberOf attribute contains users from both groups (groupOfMembers and groupOfNames) but I can use search operation to only first defined configuration (in above example groupOfMembers) and user membership from groupOfNames groups is not found. Maybe it must be defined in one line but I was not able to find proper syntax. Maybe attribute must be mapped somehow but when it works for first definition, should be working for next one so it is bug? Thank you -- You are receiving this mail because: You are on the CC list for the issue.

1 5

[Issue 8988] Undefined Behavior in slapadd
by openldap-its＠openldap.org 21 Jan '25

21 Jan '25

https://bugs.openldap.org/show_bug.cgi?id=8988 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|INVALID |--- Status|VERIFIED |CONFIRMED -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 8988] Undefined Behavior in slapadd
by openldap-its＠openldap.org 21 Jan '25

21 Jan '25

1 0

[Issue 7249] slapd segfault with memberof overlay on frontend db
by openldap-its＠openldap.org 16 Jan '25

16 Jan '25

https://bugs.openldap.org/show_bug.cgi?id=7249 Ondřej Kuzník <ondra(a)mistotebe.net> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Status|UNCONFIRMED |IN_PROGRESS Assignee|bugs(a)openldap.org |ondra(a)mistotebe.net --- Comment #21 from Ondřej Kuzník <ondra(a)mistotebe.net> --- https://git.openldap.org/openldap/openldap/-/merge_requests/742 -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 10084] New: Move away from DIGEST-MD5 as a default in the test suite
by openldap-its＠openldap.org 14 Jan '25

14 Jan '25

https://bugs.openldap.org/show_bug.cgi?id=10084 Issue ID: 10084 Summary: Move away from DIGEST-MD5 as a default in the test suite Product: OpenLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: test suite Assignee: bugs(a)openldap.org Reporter: ondra(a)mistotebe.net Target Milestone: --- cyrus-sasl seem on the verge or removing the DIGEST-MD5 mechanism from 2.2 onwards. As such we should update our defaults in a couple of our test scripts for master/2.7 at least. Are SCRAM mechanisms the go-to these days? -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 9739] New: Undefined reference to ber_sockbuf_io_udp in 2.6.0
by openldap-its＠openldap.org 13 Jan '25

13 Jan '25

https://bugs.openldap.org/show_bug.cgi?id=9739 Issue ID: 9739 Summary: Undefined reference to ber_sockbuf_io_udp in 2.6.0 Product: OpenLDAP Version: 2.6.0 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: build Assignee: bugs(a)openldap.org Reporter: simon.pichugin(a)gmail.com Target Milestone: --- While I was trying to build OpenLDAP 2.6 on Fedora Rawhide I've got the error message: /usr/bin/ld: ./.libs/libldap.so: undefined reference to `ber_sockbuf_io_udp' I've checked commits from https://bugs.openldap.org/show_bug.cgi?id=9673 and found that 'ber_sockbuf_io_udp' was not added to https://git.openldap.org/openldap/openldap/-/blob/master/libraries/liblber/… I've asked on the project's mailing list and got a reply: "That symbol only exists if OpenLDAP is built with LDAP_CONNECTIONLESS defined, which is not a supported feature. Feel free to file a bug report at https://bugs.openldap.org/" https://lists.openldap.org/hyperkitty/list/openldap-technical@openldap.org/… Hence, creating the bug. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 10295] New: To compare strings in Java
by openldap-its＠openldap.org 04 Jan '25

04 Jan '25

https://bugs.openldap.org/show_bug.cgi?id=10295 Issue ID: 10295 Summary: To compare strings in Java Product: JLDAP Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: JLDAP Assignee: bugs(a)openldap.org Reporter: chetansinha35(a)gmail.com Target Milestone: --- Created attachment 1044 --> https://bugs.openldap.org/attachment.cgi?id=1044&action=edit https://docs.vultr.com/java/java/examples/java/examples/reverse-a-number Java Program to Reversing a number in Java is a common task achieved using loops and arithmetic operations. By repeatedly extracting the last digit of the number with the modulus operator (%) and constructing the reversed number using multiplication and addition, the process is efficient. For example, a while loop can be used to iterate until the number becomes zero, applying reversed = reversed * 10 + number % 10. This logic makes reversing numbers simple and highlights Java's flexibility in handling number manipulation tasks. -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 8988] Undefined Behavior in slapadd
by openldap-its＠openldap.org 02 Jan '25

02 Jan '25

https://bugs.openldap.org/show_bug.cgi?id=8988 --- Comment #27 from jhaberman(a)gmail.com --- Unfortunately I can still reproduce this with LMDB 0.9.33. Repro: #include <stdlib.h> #include <string.h> #include <stdio.h> #include "lmdb.h" #define VAL(str) {strlen(str), str} #define CHK(st) if (st != 0) { fprintf(stderr, "fail at %d\n", __LINE__); abort(); } int main() { MDB_env* lmdb; int status; status= mdb_env_create(&lmdb); CHK(status); status = mdb_env_open(lmdb, "/tmp/lmdb_repro", 0, 0644); CHK(status); MDB_txn* txn; status = mdb_txn_begin(lmdb, NULL, 0, &txn); CHK(status); MDB_dbi dbi; status = mdb_dbi_open(txn, NULL, MDB_CREATE | MDB_DUPSORT, &dbi); CHK(status); MDB_val k = VAL("key"); MDB_val v1 = VAL("val1"); status = mdb_put(txn, dbi, &k, &v1, MDB_NODUPDATA); CHK(status); MDB_val v2 = VAL("val2"); status = mdb_put(txn, dbi, &k, &v2, MDB_NODUPDATA); CHK(status); return 0; } $ clang -fsanitize=undefined -o repro repro.c mdb.c midl.c $ mkdir /tmp/lmdb_repro $ ./repro Output: --- mdb.c:7654:26: runtime error: member access within misaligned address 0x561c906b85d3 for type 'MDB_page2' (aka 'struct MDB_page2'), which requires 2 byte alignment 0x561c906b85d3: note: pointer points here 00 6b 65 79 02 00 00 00 00 00 00 00 00 00 52 00 10 00 2c 00 76 61 6c 31 00 00 00 00 00 00 00 00 ^ SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior mdb.c:7654:26 in mdb.c:7654:26: runtime error: load of misaligned address 0x561c906b85df for type 'indx_t' (aka 'unsigned short'), which requires 2 byte alignment 0x561c906b85df: note: pointer points here 00 00 52 00 10 00 2c 00 76 61 6c 31 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior mdb.c:7654:26 in mdb.c:7655:3: runtime error: member access within misaligned address 0x561c906b85d3 for type 'MDB_page' (aka 'struct MDB_page'), which requires 8 byte alignment 0x561c906b85d3: note: pointer points here 00 6b 65 79 02 00 00 00 00 00 00 00 00 00 52 00 10 00 2c 00 76 61 6c 31 00 00 00 00 00 00 00 00 [...] --- It appears that some instances of MDB_page2 are not 2-byte aligned. Is this expected? -- You are receiving this mail because: You are on the CC list for the issue.

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