openldap-bugs October 2020

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by Daniel Drinnon 23 Oct '20

23 Oct '20

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3 2

[Issue 9373] New: Segmentation fault on ldap_simple_bind_s
by openldap-its＠openldap.org 22 Oct '20

22 Oct '20

https://bugs.openldap.org/show_bug.cgi?id=9373 Issue ID: 9373 Summary: Segmentation fault on ldap_simple_bind_s Product: OpenLDAP Version: 2.4.10 Hardware: All OS: Linux Status: UNCONFIRMED Severity: normal Priority: --- Component: libraries Assignee: bugs(a)openldap.org Reporter: ljin(a)microstrategy.com Target Milestone: --- Hit Faulting Signal: signal 11, Segmentation fault. when calling ldap_simple_bind_s. #0 0x00007f3e7cddec2d in poll () from /lib64/libc.so.6 #1 0x00007f3e468417d5 in ldap_result () from /usr/lib64/libldap_r-2.4.so.2 #2 0x00007f3e4684a808 in ldap_sasl_bind_s () from /usr/lib64/libldap_r-2.4.so.2 #3 0x00007f3e4684b055 in ldap_simple_bind_s () from /usr/lib64/libldap_r-2.4.so.2 This happened when there were multi-thread ldap_simple_bind_s calls. -- You are receiving this mail because: You are on the CC list for the issue.

1 7

[Issue 9375] New: Segmentation fault on ldap_search_ext_s
by openldap-its＠openldap.org 22 Oct '20

22 Oct '20

https://bugs.openldap.org/show_bug.cgi?id=9375 Issue ID: 9375 Summary: Segmentation fault on ldap_search_ext_s Product: OpenLDAP Version: 2.4.44 Hardware: All OS: Linux Status: UNCONFIRMED Severity: normal Priority: --- Component: libraries Assignee: bugs(a)openldap.org Reporter: ljin(a)microstrategy.com Target Milestone: --- Hit Faulting Signal: signal 11, Segmentation fault in multi-threads environment. One crash call stack. #0 0x00007f08af05392b in ber_int_sb_write () from /lib64/liblber-2.4.so.2 #1 0x00007f08af04fc0b in ber_flush2 () from /lib64/liblber-2.4.so.2 #2 0x00007f08af281f71 in ldap_int_flush_request () from /lib64/libldap_r-2.4.so.2 #3 0x00007f08af282352 in ldap_send_server_request () from /lib64/libldap_r-2.4.so.2 #4 0x00007f08af2826da in ldap_send_initial_request () from /lib64/libldap_r-2.4.so.2 #5 0x00007f08af27153a in ldap_pvt_search () from /lib64/libldap_r-2.4.so.2 #6 0x00007f08af2716aa in ldap_pvt_search_s () from /lib64/libldap_r-2.4.so.2 #7 0x00007f08af271780 in ldap_search_ext_s () from /lib64/libldap_r-2.4.so.2 Another one: [0] /usr/lib64/liblber-2.4.so.2.10.7!ber_sockbuf_ctrl + 0x1ac [1] /usr/lib64/libldap_r-2.4.so.2.10.7!ldap_mark_select_clear + 0x2f [2] /usr/lib64/libldap_r-2.4.so.2.10.7!ldap_free_connection + 0x2b3 [3] /usr/lib64/libldap_r-2.4.so.2.10.7!ldap_int_bisect_insert + 0x4a5 [4] /usr/lib64/libldap_r-2.4.so.2.10.7!ldap_int_bisect_insert + 0x1bd [5] /usr/lib64/libldap_r-2.4.so.2.10.7!ldap_abandon_ext + 0x5a [6] /usr/lib64/libldap_r-2.4.so.2.10.7!ldap_abandon + 0x26 [7] /usr/lib64/libldap_r-2.4.so.2.10.7!ldap_pvt_search_s + 0xec [8] /usr/lib64/libldap_r-2.4.so.2.10.7!ldap_search_ext_s + 0x40 -- You are receiving this mail because: You are on the CC list for the issue.

1 2

[Issue 9374] New: Segmentation fault on ldap_ld_free
by openldap-its＠openldap.org 22 Oct '20

22 Oct '20

https://bugs.openldap.org/show_bug.cgi?id=9374 Issue ID: 9374 Summary: Segmentation fault on ldap_ld_free Product: OpenLDAP Version: 2.4.44 Hardware: All OS: Linux Status: UNCONFIRMED Severity: normal Priority: --- Component: libraries Assignee: bugs(a)openldap.org Reporter: ljin(a)microstrategy.com Target Milestone: --- Hit Faulting Signal: signal 11, Segmentation fault when multiple threads environment. #0 0x00007f13daa9b92b in ber_int_sb_write () from /lib64/liblber-2.4.so.2 #1 0x00007f13daa97c0b in ber_flush2 () from /lib64/liblber-2.4.so.2 #2 0x00007f13dacee6c7 in ldap_send_unbind () from /usr/lib64/libldap_r-2.4.so.2 #3 0x00007f13dacf700e in ldap_free_connection () from /usr/lib64/libldap_r-2.4.so.2 #4 0x00007f13dacee1bf in ldap_ld_free () from /usr/lib64/libldap_r-2.4.so.2 -- You are receiving this mail because: You are on the CC list for the issue.

1 2

Exhausting Locked SEM_UNDO Semaphores on MacOS
by Kris Zyp 20 Oct '20

20 Oct '20

In LMDB, if you attempt to open more than 10 transactions (on different environments) on one process on MacOS, then mdb_txn_begin will fail. This can be reproduced by opening 11 different database environments in one process, and calling mdb_txn_begin (as write transactions) on each one. The 11th one will return EINVAL. I believe this is because (on this OS, MacOS 10.13.6) the System V semaphores have a limit of 10 SEM_UNDO locked semaphores on one process. So when mdb_txn_begin attempts to open an 11th transaction, the mdb_sem_wait/semop call fails, returning EINVAL. I was testing with latest LMDB from mdb.master. Once I finally debugged this and figured out the issue, I have been able to work around it by compiling with MDB_USE_POSIX_SEM which seems to resolve the issue. But this still leaves a few questions: Is there any issue with compiling with MDB_USE_POSIX_SEM on MacOS? Would it be better if LMDB defaulted to this shared lock implementation for this OS? And/or would there be value in LMDB providing a more specific error message in this situation? The documentation doesn't indicate EINVAL as a possible return value for mdb_txn_begin, and this is a very generic error with little indication of the root problem, that was rather confusing to me, at least. Or is there an expectation that processes can only open a limited number of database environments (and have open transactions on them)? (Our server typically has about 30 environments open with about 2-16 dbs/env, with many concurrent transactions, without issue on other OSes.) I would be happy to put together a patch for this, but I am not sure of the reasons for the selection of the different shared lock implementations on different OSes. Anyway, I'd be glad to help contribute a patch if there is a specific way this should work. Thank you!

2 6

[Issue 9369] New: Logging based on severity
by openldap-its＠openldap.org 15 Oct '20

15 Oct '20

https://bugs.openldap.org/show_bug.cgi?id=9369 Issue ID: 9369 Summary: Logging based on severity Product: OpenLDAP Version: 2.4.46 Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: slapd Assignee: bugs(a)openldap.org Reporter: gdb91(a)protonmail.com Target Milestone: --- Currently OpenLDAP logging can be controller per area (subsystem) for example "trace function calls" or "debug packet handling". It would be good to have logging based on severity levels such as INFO, DEBUG, ERROR, WARNING, CRITICAL, etc., something that could be set up at run time. -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 8820] ldap_get_attribute_ber() function needs to be documented
by openldap-its＠openldap.org 14 Oct '20

14 Oct '20

https://bugs.openldap.org/show_bug.cgi?id=8820 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|2.5.0 |2.5.1 -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 8874] --with-fetch incorrectly links libcom_err
by openldap-its＠openldap.org 14 Oct '20

14 Oct '20

https://bugs.openldap.org/show_bug.cgi?id=8874 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|2.5.0 |2.5.1 -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 8659] accesslog man page updates
by openldap-its＠openldap.org 14 Oct '20

14 Oct '20

https://bugs.openldap.org/show_bug.cgi?id=8659 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|2.5.0 |2.5.1 -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 7129] slapo-valsort(5) missing description of LDAP_CONTROL_VALSORT
by openldap-its＠openldap.org 14 Oct '20

14 Oct '20

https://bugs.openldap.org/show_bug.cgi?id=7129 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|2.5.0 |2.5.1 -- You are receiving this mail because: You are on the CC list for the issue.

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openldap-bugs October 2020