Package: sssd-kcm Version: 1.16.3-3.1 Severity: important -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
Having installed sssd-kcm and setting default_ccache_name = KCM: in krb5.conf, after running kinit and klist a few times I started getting the following crash: #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 #1 0x00007f7ce3493535 in __GI_abort () at abort.c:79 #2 0x00007f7ce3a8b621 in talloc_abort (reason=0x7f7ce3a99070 "Bad talloc magic value - unknown value") at ../talloc.c:500 #3 0x00007f7ce3a8b591 in talloc_abort_unknown_value () at ../talloc.c:529 #4 talloc_chunk_from_ptr (ptr=0x55db7c89de20) at ../talloc.c:529 #5 _talloc_free (ptr=0x55db7c89de20, location=0x55db7b05b27a "../src/util/tev_curl.c:449") at ../talloc.c:1747 #6 0x000055db7b0378fb in schedule_fd_processing (multi=<optimized out>, timeout_ms=0, userp=<optimized out>) at ../src/util/tev_curl.c:449 #7 0x00007f7ce3af78cc in update_timer (multi=multi@entry=0x55db7c89d4a0) at multi.c:2941 #8 0x00007f7ce3af8f76 in curl_multi_add_handle (data=0x55db7dcc6b80, multi=0x55db7c89d4a0) at multi.c:500 #9 curl_multi_add_handle (multi=0x55db7c89d4a0, data=0x55db7dcc6b80) at multi.c:376 #10 0x000055db7b037fa9 in tcurl_request_send (mem_ctx=mem_ctx@entry=0x55db7c8aade0, ev=ev@entry=0x55db7c839830, tcurl_ctx=tcurl_ctx@entry=0x55db7c89d480, tcurl_req=tcurl_req@entry=0x55db7dcc91d0, timeout=timeout@entry=5) at ../src/util/tev_curl.c:700 #11 0x000055db7b038a98 in tcurl_http_send (mem_ctx=0x55db7c8aade0, ev=ev@entry=0x55db7c839830, tcurl_ctx=0x55db7c89d480, method=method@entry=TCURL_HTTP_GET, socket_path=socket_path@entry=0x55db7b0534a3 "/var/run/secrets.socket", url=<optimized out>, headers=0x55db7b0759b0 <sec_headers>, body=0x0, timeout=5) at ../src/util/tev_curl.c:1017 #12 0x000055db7b02d659 in sec_list_send (mem_ctx=<optimized out>, ev=ev@entry=0x55db7c839830, client=client@entry=0x55db7c89a7d0, secdb=<optimized out>) at ../src/responder/kcm/kcmsrv_ccache_secrets.c:163 #13 0x000055db7b02dc4e in sec_get_ccache_send (mem_ctx=<optimized out>, ev=ev@entry=0x55db7c839830, secdb=secdb@entry=0x55db7c89a440, client=client@entry=0x55db7c89a7d0, name=name@entry=0x55db7c89d300 "1000", uuid=uuid@entry=0x7fff37adda30 "") at ../src/responder/kcm/kcmsrv_ccache_secrets.c:482 #14 0x000055db7b02e16d in ccdb_sec_getbyname_send (mem_ctx=<optimized out>, ev=0x55db7c839830, db=<optimized out>, client=0x55db7c89a7d0, name=0x55db7c89d300 "1000") at ../src/responder/kcm/kcmsrv_ccache_secrets.c:1275 #15 0x000055db7b025e39 in kcm_ccdb_getbyname_send (mem_ctx=<optimized out>, ev=ev@entry=0x55db7c839830, db=0x55db7c89a220, client=0x55db7c89a7d0, name=0x55db7c89d300 "1000") at ../src/responder/kcm/kcmsrv_ccache.c:692 #16 0x000055db7b02fa6e in kcm_op_get_cred_by_uuid_send (mem_ctx=<optimized out>, ev=0x55db7c839830, op_ctx=0x55db7dcc9110) at ../src/responder/kcm/kcmsrv_ops.c:1099 #17 0x000055db7b02e9f3 in kcm_cmd_queue_done (subreq=0x0) at ../src/responder/kcm/kcmsrv_ops.c:196 #18 0x00007f7ce3aa7479 in tevent_common_invoke_immediate_handler (im=0x55db7c838460, removed=removed@entry=0x0) at ../tevent_immediate.c:165 #19 0x00007f7ce3aa74a3 in tevent_common_loop_immediate (ev=ev@entry=0x55db7c839830) at ../tevent_immediate.c:202 #20 0x00007f7ce3aace5b in epoll_event_loop_once (ev=0x55db7c839830, location=<optimized out>) at ../tevent_epoll.c:917 #21 0x00007f7ce3aab2d7 in std_event_loop_once (ev=0x55db7c839830, location=0x7f7ce36e8178 "../src/util/server.c:725") at ../tevent_standard.c:110 #22 0x00007f7ce3aa67e4 in _tevent_loop_once (ev=ev@entry=0x55db7c839830, location=location@entry=0x7f7ce36e8178 "../src/util/server.c:725") at ../tevent.c:772 #23 0x00007f7ce3aa6a2b in tevent_common_loop_wait (ev=0x55db7c839830, location=0x7f7ce36e8178 "../src/util/server.c:725") at ../tevent.c:895 #24 0x00007f7ce3aab277 in std_event_loop_wait (ev=0x55db7c839830, location=0x7f7ce36e8178 "../src/util/server.c:725") at ../tevent_standard.c:141 #25 0x00007f7ce36c38e3 in server_loop () from /usr/lib/x86_64-linux-gnu/sssd/libsss_util.so #26 0x000055db7b022c70 in main (argc=<optimized out>, argv=<optimized out>) at ../src/responder/kcm/kcm.c:318 In sssd_kcm.log we have only the following message: (Fri May 24 09:13:18 2019) [sssd[kcm]] [talloc_log_fn] (0x0010): Bad talloc magic value - unknown value ... putting debug_level=9 in the [kcm] section of sssd.conf doesn't cause any more detailed messages to be logged. - -- System Information: Debian Release: 10.0 APT prefers testing-debug APT policy: (550, 'testing-debug'), (550, 'testing'), (520, 'unstable-debug'), (520, 'unstable'), (510, 'experimental-debug'), (510, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: arm64 Kernel: Linux 4.19.0-5-amd64 (SMP w/2 CPU cores) Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages sssd-kcm depends on: ii libc6 2.28-10 ii libcom-err2 1.44.5-1 ii libcurl3-gnutls 7.64.0-3 ii libdbus-1-3 1.12.12-1 ii libdhash1 0.6.1-2 ii libjansson4 2.12-1 ii libk5crypto3 1.17-2 ii libkrb5-3 1.17-2 ii libldb1 2:1.5.1+really1.4.6-3 ii libpopt0 1.16-12 ii libselinux1 2.8-1+b1 ii libsystemd0 241-3 ii libtalloc2 2.1.14-2 ii libtdb1 1.3.16-2+b1 ii libtevent0 0.9.37-1 ii libuuid1 2.33.1-0.1 ii sssd-common 1.16.3-3.1 sssd-kcm recommends no packages. sssd-kcm suggests no packages. - 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