https://bugs.openldap.org/show_bug.cgi?id=9494
Issue ID: 9494
Summary: Segfault after modify olcDbMaxSize w/ autogroup
Product: OpenLDAP
Version: 2.4.49
Hardware: x86_64
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: ---
Component: overlays
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Hello,
Yet another crash when modifying olcDbMaxSize.
Seems not to be related to other similar reports.
autogroup works fine until :
- attempt to modify olcDbMaxSize
- attempt to modify olcAGattrSet (segfault to, need to delete the overlay and
add it again)
- do not rely on olcMemberOfMemberAD (extra memberof module)
requested change --------------------------------------------:
dn: olcDatabase={1}mdb,cn=config
changetype: modify
replace: olcDbMaxSize
olcDbMaxSize: 4294967296
openldap logs -----------------------------------------------:
6046b5c3 ==> autogroup_db_close
6046b5c3 ==> autogroup_db_close
6046b5c3 mdb_db_open: database "dc=domain,dc=fr": dbenv_open(/var/lib/ldap).
6046b5c3 ==> autogroup_db_open
6046b5c3 ==> autogroup_build_def_filter
put_filter: "(objectClass=groupOfURLs)"
put_filter: simple
put_simple_filter: "objectClass=groupOfURLs"
ber_scanf fmt ({mm}) ber:
6046b5c3 => mdb_search
6046b5c3 mdb_dn2entry("dc=domain,dc=fr")
6046b5c3 => mdb_dn2id("dc=domain,dc=fr")
6046b5c3 <= mdb_dn2id: got id=0x1
6046b5c3 => mdb_entry_decode:
6046b5c3 <= mdb_entry_decode
6046b5c3 search_candidates: base="dc=domain,dc=fr" (0x00000001) scope=2
6046b5c3 => mdb_equality_candidates (objectClass)
6046b5c3 => key_read
6046b5c3 <= mdb_index_read: failed (-30798)
6046b5c3 <= mdb_equality_candidates: id=0, first=0, last=0
6046b5c3 => mdb_equality_candidates (objectClass)
6046b5c3 => key_read
6046b5c3 <= mdb_index_read 5 candidates
6046b5c3 <= mdb_equality_candidates: id=5, first=18173, last=18177
6046b5c3 mdb_search_candidates: id=5 first=18173 last=18177
6046b5c3 => mdb_entry_decode:
6046b5c3 <= mdb_entry_decode
6046b5c3 ==> autogroup_group_add_cb <cn=cxxx,ou=groups,dc=domain,dc=fr>
6046b5c3 ==> autogroup_add_group <cn=xxx,ou=groups,dc=domain,dc=fr>
Thread 3 "slapd" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7feb7d42c700 (LWP 37453)]
GDB dump --------------------------------------
(gdb) info frame
Stack level 0, frame at 0x7feb7d297fd0:
rip = 0x55b4569bcba0 in dnMatch; saved rip = 0x7feb9e5f768b
called by frame at 0x7feb7d298070
Arglist at 0x7feb7d297f88, args:
Locals at 0x7feb7d297f88, Previous frame's sp is 0x7feb7d297fd0
Saved registers:
rbx at 0x7feb7d297f98, rbp at 0x7feb7d297fa0, r12 at 0x7feb7d297fa8, r13 at
0x7feb7d297fb0, r14 at 0x7feb7d297fb8, r15 at 0x7feb7d297fc0, rip at
0x7feb7d297fc8
(gdb) bt
#0 0x000055b4569bcba0 in dnMatch ()
#1 0x00007feb9e5f768b in ?? () from /usr/lib/ldap/autogroup.so.0
#2 0x00007feb9e5f98fb in ?? () from /usr/lib/ldap/autogroup.so.0
#3 0x000055b4569b6eb8 in ?? ()
#4 0x000055b4569b8a31 in slap_send_search_entry ()
#5 0x00007feb9e63dbf6 in mdb_search () from /usr/lib/ldap/back_mdb-2.4.so.2
#6 0x000055b456a16c68 in overlay_op_walk ()
#7 0x000055b456a16d97 in ?? ()
#8 0x00007feb9e5f9be0 in ?? () from /usr/lib/ldap/autogroup.so.0
#9 0x000055b456a15dd8 in ?? ()
#10 0x00007feb9e632eb8 in ?? () from /usr/lib/ldap/back_mdb-2.4.so.2
#11 0x000055b4569908b6 in ?? ()
#12 0x000055b4569be8aa in fe_op_modify ()
#13 0x000055b4569c0930 in do_modify ()
#14 0x000055b4569a66ed in ?? ()
#15 0x000055b4569a722c in ?? ()
#16 0x00007feb9fa5ea03 in ?? () from /lib/x86_64-linux-gnu/libldap_r-2.4.so.2
#17 0x00007feb9f990609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#18 0x00007feb9f8b7293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
cn=config overlays ----------------------------------
22 olcOverlay={0}memberof,olcDatabase={1}mdb,cn=config
objectClass: olcConfig
objectClass: olcMemberOf
objectClass: olcOverlayConfig
objectClass: top
olcOverlay: memberof
olcMemberOfDangling: ignore
olcMemberOfRefInt: TRUE
olcMemberOfGroupOC: groupOfNames
olcMemberOfMemberAD: member
olcMemberOfMemberOfAD: memberOf
23 olcOverlay={1}ppolicy,olcDatabase={1}mdb,cn=config
objectClass: olcOverlayConfig
objectClass: olcPPolicyConfig
olcOverlay: {1}ppolicy
olcPPolicyDefault: cn=orga_default,ou=Policies,dc=domain,dc=fr
olcPPolicyHashCleartext: FALSE
olcPPolicyUseLockout: TRUE
olcPPolicyForwardUpdates: TRUE
24 olcOverlay={2}syncprov,olcDatabase={1}mdb,cn=config
objectClass: olcOverlayConfig
objectClass: olcSyncProvConfig
olcOverlay: {2}syncprov
25 olcOverlay={3}memberof,olcDatabase={1}mdb,cn=config
objectClass: olcOverlayConfig
objectClass: olcMemberOf
objectClass: olcConfig
olcOverlay: {3}memberof
olcMemberOfDangling: ignore
olcMemberOfRefInt: TRUE
olcMemberOfGroupOC: groupOfNames
olcMemberOfMemberAD: member
26 olcOverlay={4}autogroup,olcDatabase={1}mdb,cn=config
objectClass: olcOverlayConfig
objectClass: olcAutomaticGroups
olcOverlay: {4}autogroup
olcAGattrSet: {0}groupOfURLs memberURL member
olcAGmemberOfAd: memberOf
27 olcOverlay={5}memberof,olcDatabase={1}mdb,cn=config
objectClass: olcOverlayConfig
objectClass: olcMemberOf
objectClass: olcConfig
olcOverlay: {5}memberof
olcMemberOfDangling: ignore
olcMemberOfRefInt: TRUE
olcMemberOfGroupOC: groupOfURLs
olcMemberOfMemberAD: member
28 olcOverlay={6}autogroup,olcDatabase={1}mdb,cn=config
objectClass: olcOverlayConfig
objectClass: olcAutomaticGroups
olcOverlay: {6}autogroup
olcAGattrSet: {0}groupOfURLs memberUidURL memberUid
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