IMS reregistration triggers core dump on 5.1.4.
This seems to be related to the cleaning up contacts during registration/re-registration. Related to the #1562. This PR did not make it to 5.1.4 but affected code was clearly involved according to the logs.
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: ims_usrloc_scscf [impurecord.c:451]: process_impurecord(): There are 2 contacts to expire/unlink
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: ims_usrloc_scscf [impurecord.c:454]: process_impurecord(): expiring contact 0: [sip:XXXYY4000013362@10.110.1
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: ims_usrloc_scscf [impurecord.c:1237]: unlink_contact_from_impu(): asked to unlink contact [0x7f7141cf29a0] => [sip:XXXYY4000
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: ims_usrloc_scscf [impurecord.c:1106]: remove_impucontact_from_list(): deleting mid list
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: ims_usrloc_scscf [usrloc_db.c:1130]: db_unlink_contact_from_impu(): DB: un-linking contact to IMPU
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: <core> [db_res.c:120]: db_new_result(): allocate 56 bytes for result set at 0x7f714ba6e620
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: <core> [db_res.c:79]: db_free_columns(): freeing 0 columns
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: <core> [db_res.c:138]: db_free_result(): freeing result set at 0x7f714ba6e620
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: ims_usrloc_scscf [usrloc_db.c:1155]: db_unlink_contact_from_impu(): Delete query success
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: ims_usrloc_scscf [udomain.c:852]: unref_contact_unsafe(): decrementing ref count on contact [sip:XXXYY4000013362@10.110.1.69
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: ims_usrloc_scscf [udomain.c:855]: unref_contact_unsafe(): contact [sip:XXXYY4000013362@10.110.1.69:5060;alias=10.110.1.69~50
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: ims_usrloc_scscf [impurecord.c:1263]: unlink_contact_from_impu(): unlinking contact [0x7f7141cf29a0] => [sip:XXXYY4000013362
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: ims_usrloc_scscf [impurecord.c:454]: process_impurecord(): expiring contact 1: [sip:XXXYY4000013362@10.110.1
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: ims_usrloc_scscf [impurecord.c:1237]: unlink_contact_from_impu(): asked to unlink contact [0x7f7141cfc878] => [sip:XXXYY4000
Jul 24 07:21:00 scscf scscfXXXYYY-ecs[798]: 1(6) DEBUG: ims_usrloc_scscf [impurecord.c:1103]: remove_impucontact_from_list(): **deleting tail**
Jul 24 07:22:21 scscf scscfXXXYYY-ecs[798]: 15(20) DEBUG: ims_registrar_scscf [save.c:840]: update_contacts(): updating contacts in RE-REGISTRATION state
Jul 24 07:22:21 scscf scscfXXXYYY-ecs[798]: 15(20) DEBUG: ims_registrar_scscf [save.c:519]: update_contacts_helper(): updating the contacts for IMPU <sip:XXXYY4000013362@ims.mnc006.
Jul 24 07:22:21 scscf scscfXXXYYY-ecs[798]: 15(20) DEBUG: <core> [ims_getters.c:812]: cscf_get_sos_uri_param(): cscf_get_sos_uri_param: searching through the uri parameters:alias=10
Jul 24 07:22:21 scscf scscfXXXYYY-ecs[798]: 15(20) DEBUG: <core> [ims_getters.c:823]: cscf_get_sos_uri_param(): cscf_get_sos_uri_param:name: alias body: 10.110.1.71~5060~1
Jul 24 07:22:21 scscf scscfXXXYYY-ecs[798]: 15(20) DEBUG: ims_registrar_scscf [save.c:137]: calc_contact_expires(): Calculated expires for contact is 600000
Jul 24 07:22:21 scscf scscfXXXYYY-ecs[798]: 15(20) DEBUG: ims_registrar_scscf [save.c:548]: update_contacts_helper(): Need to update contact: <sip:XXXYY4000013362@10.110.1.71:5060;a
Jul 24 07:22:21 scscf scscfXXXYYY-ecs[798]: 15(20) DEBUG: ims_registrar_scscf [save.c:550]: update_contacts_helper(): packing contact information
Jul 24 07:22:21 scscf scscfXXXYYY-ecs[798]: 15(20) DEBUG: ims_registrar_scscf [save.c:556]: update_contacts_helper(): adding/updating contact based on prior existence
Jul 24 07:22:21 scscf scscfXXXYYY-ecs[798]: 15(20) DEBUG: ims_usrloc_scscf [impurecord.c:748]: get_scontact(): looking for contact [sip:XXXYY8000099992@10.110.1.71:5060;alias=10.110
Jul 24 07:22:21 scscf scscfXXXYYY-ecs[798]: 15(20) DEBUG: ims_registrar_scscf [save.c:562]: update_contacts_helper(): inserting new contact
Jul 24 07:22:21 scscf scscfXXXYYY-ecs[798]: 15(20) DEBUG: ims_usrloc_scscf [impurecord.c:562]: insert_scontact(): INSERTing ucontact in usrloc module
Jul 24 07:22:21 scscf kernel: traps: kamailio[7186] general protection ip:7f7146511000 sp:7ffc9f3719a0 error:0 in ims_usrloc_scscf.so[7f71464e7000+8f000]
(paste your sip traffic here)
kamailio -vversion: kamailio 5.1.4 (x86_64/linux)
Linux scscf 4.14.48-coreos-r2 #1 SMP Thu Jun 14 08:23:03 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
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