This happened while testing Spotlight searches, I think while searching by "name contains" or "name ends with". Unfortunately the repo I use doesn't provide debuginfo packages so I have to build from source and reproduce if those are needed. Distributor ID: Ubuntu Description: Ubuntu 20.04.1 LTS Release: 20.04 Codename: focal # Global parameters [global] load printers = No log file = /var/log/samba/%m.log map to guest = Bad User netbios name = FILESERVER unix extensions = No elasticsearch:port = 9200 elasticsearch:address = 10.0.0.103 streams_xattr:store_stream_type = no streams_xattr:prefix = user. fruit:nfs_aces = no fruit:model = Xserve fruit:encoding = native fruit:locking = none fruit:metadata = netatalk fruit:resource = file rpc_server:mdssvc = embedded idmap config * : backend = tdb access based share enum = Yes acl allow execute always = Yes create mask = 0775 directory mask = 02775 force create mode = 0775 force directory mode = 02775 spotlight backend = elasticsearch vfs objects = catia fruit streams_xattr [share] force group = share path = /tank/share read only = No spotlight = Yes valid users = +share [2020/09/16 13:29:58.363451, 1] ../../source3/rpc_server/mdssvc/mdssvc.c:1385(slrpc_close_query) bad context: [0xb1df,0x6b0001c0] [2020/09/16 13:29:58.372924, 1] ../../source3/rpc_server/mdssvc/mdssvc.c:1385(slrpc_close_query) bad context: [0xb0a5,0x6b0001c0] [2020/09/16 13:29:58.651114, 0] ../../source3/rpc_server/mdssvc/mdssvc_es.c:796(mds_es_search_http_read_done) mds_es_search_http_read_done: error adding result for path: /tank/share/.DS_Store [2020/09/16 13:29:58.653257, 1] ../../source3/rpc_server/mdssvc/mdssvc_es.c:334(mds_es_reconnect_on_error) mds_es_reconnect_on_error: Reconnecting HTTP... [2020/09/16 13:29:58.672426, 1] ../../source3/rpc_server/mdssvc/mdssvc.c:1034(slrpc_fetch_query_results) query in error state [2020/09/16 13:30:58.661334, 0] ../../lib/util/fault.c:79(fault_report) =============================================================== [2020/09/16 13:30:58.663602, 0] ../../lib/util/fault.c:80(fault_report) INTERNAL ERROR: Signal 11 in pid 18203 (4.12.6-Debian) If you are running a recent Samba version, and if you think this problem is not yet fixed in the latest versions, please consider reporting this bug, see https://wiki.samba.org/index.php/Bug_Reporting [2020/09/16 13:30:58.664773, 0] ../../lib/util/fault.c:86(fault_report) =============================================================== [2020/09/16 13:30:58.665100, 0] ../../source3/lib/util.c:829(smb_panic_s3) PANIC (pid 18203): internal error [2020/09/16 13:30:58.671013, 0] ../../lib/util/fault.c:264(log_stack_trace) BACKTRACE: 24 stack frames: #0 /lib/x86_64-linux-gnu/libsamba-util.so.0(log_stack_trace+0x34) [0x7f1b2a499624] #1 /lib/x86_64-linux-gnu/libsmbconf.so.0(smb_panic_s3+0x27) [0x7f1b2a240d87] #2 /lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x33) [0x7f1b2a499723] #3 /lib/x86_64-linux-gnu/libsamba-util.so.0(+0x15981) [0x7f1b2a499981] #4 /lib/x86_64-linux-gnu/libpthread.so.0(+0x153c0) [0x7f1b29c3b3c0] #5 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x18285f) [0x7f1b2a68785f] #6 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_invoke_timer_handler+0xfd) [0x7f1b29c5783d] #7 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_timer_delay+0x90) [0x7f1b29c579e0] #8 /lib/x86_64-linux-gnu/libtevent.so.0(+0xdda9) [0x7f1b29c58da9] #9 /lib/x86_64-linux-gnu/libtevent.so.0(+0xbe3b) [0x7f1b29c56e3b] #10 /lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x98) [0x7f1b29c51ec8] #11 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) [0x7f1b29c5216b] #12 /lib/x86_64-linux-gnu/libtevent.so.0(+0xbdcb) [0x7f1b29c56dcb] #13 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_process+0x7a7) [0x7f1b2a620af7] #14 /usr/sbin/smbd(+0xc0b1) [0x55bf56e590b1] #15 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_invoke_fd_handler+0x81) [0x7f1b29c52801] #16 /lib/x86_64-linux-gnu/libtevent.so.0(+0xdcd7) [0x7f1b29c58cd7] #17 /lib/x86_64-linux-gnu/libtevent.so.0(+0xbe3b) [0x7f1b29c56e3b] #18 /lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x98) [0x7f1b29c51ec8] #19 /lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) [0x7f1b29c5216b] #20 /lib/x86_64-linux-gnu/libtevent.so.0(+0xbdcb) [0x7f1b29c56dcb] #21 /usr/sbin/smbd(main+0x1b2f) [0x55bf56e56a8f] #22 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f1b29a5b0b3] #23 /usr/sbin/smbd(_start+0x2e) [0x55bf56e56e6e] [2020/09/16 13:30:58.675825, 0] ../../source3/lib/dumpcore.c:317(dump_core) coredump is handled by helper binary specified at /proc/sys/kernel/core_pattern
Client was macOS High Sierra 10.13