bind-pkcs11-9.9.4-51.el7.x86_64 using bind-dyndb-ldap in CentOS it triggering an assertion failure

Fri Oct 13 08:49:27 UTC 2017

I also want to add that SELinux is in permissive mode.

On 10/10/17 14:14, Radu Pantiru wrote:
>
> I did request help with CentOS but my feeling is that you may be able 
> to give me some information what happens at the code level.
>
> It is not happening every time when reloading the named-pkcs11 service.
>
> The backtrace:
>
> (gdb) thread apply all bt
>
> Thread 8 (Thread 0x7f4083cbc700 (LWP 21357)):
> #0 pthread_cond_wait@@GLIBC_2.3.2 () at 
> ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
> #1 0x00007f40890bd4be in dispatch (manager=0x7f4089aa9010) at task.c:1065
> #2 run (uap=0x7f4089aa9010) at task.c:1286
> #3 0x00007f4087227e25 in start_thread (arg=0x7f4083cbc700) at 
> pthread_create.c:308
> #4 0x00007f408629f34d in clone () at 
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
>
> Thread 7 (Thread 0x7f40844bd700 (LWP 21356)):
> #0 pthread_cond_wait@@GLIBC_2.3.2 () at 
> ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
> #1 0x00007f40890bd4be in dispatch (manager=0x7f4089aa9010) at task.c:1065
> #2 run (uap=0x7f4089aa9010) at task.c:1286
> #3 0x00007f4087227e25 in start_thread (arg=0x7f40844bd700) at 
> pthread_create.c:308
> #4 0x00007f408629f34d in clone () at 
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
>
> Thread 6 (Thread 0x7f40824b9700 (LWP 21360)):
> #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at 
> ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
> #1 0x00007f40890d6e48 in isc_condition_waituntil (c=c at entry 
> <mailto:c=c at entry>=0x7f4089aaa078, m=m at entry 
> <mailto:m=m at entry>=0x7f4089aaa028, t=t at entry 
> <mailto:t=t at entry>=0x7f4089aaa06c) at condition.c:66
> #2 0x00007f40890c1ef3 in run (uap=0x7f4089aaa010) at timer.c:825
> #3 0x00007f4087227e25 in start_thread (arg=0x7f40824b9700) at 
> pthread_create.c:308
> #4 0x00007f408629f34d in clone () at 
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
>
> Thread 5 (Thread 0x7f40786d7700 (LWP 21875)):
> #0 0x00007f4086294a3d in poll () at ../sysdeps/unix/syscall-template.S:81
> #1 0x00007f407bbcebdb in poll (__timeout=<optimized out>, 
> __nfds=<optimized out>, __fds=<optimized out>) at 
> /usr/include/bits/poll2.h:46
> #2 ldap_int_select (ld=<optimized out>, timeout=<optimized out>) at 
> os-ip.c:1138
> #3 0x00007f407bbb90bd in wait4msg (result=0x7f40786d6558, 
> timeout=<optimized out>, all=2, msgid=4, ld=0x7f4070002b40) at 
> result.c:312
> #4 ldap_result (ld=0x7f4070002b40, msgid=4, all=all at entry 
> <mailto:all=all at entry>=2, timeout=<optimized out>, result=result at entry 
> <mailto:result=result at entry>=0x7f40786d65b8) at result.c:117
> #5 0x00007f407bbe555c in ldap_sync_poll (ls=ls at entry 
> <mailto:ls=ls at entry>=0x7f407000d720) at ldap_sync.c:879
> #6 0x00007f4080124362 in ldap_sync_doit (inst=inst at entry 
> <mailto:inst=inst at entry>=0x7f4089aacf40, conn=<optimized out>, 
> filter_objcs=filter_objcs at entry 
> <mailto:filter_objcs=filter_objcs at entry>=0x7f408013a550 
> "(|(objectClass=idnsZone) (objectClass=idnsForwardZone) 
> (objectClass=idnsRecord))",
> mode=mode at entry <mailto:mode=mode at entry>=3) at ldap_helper.c:4651
> #7 0x00007f408012485f in ldap_syncrepl_watcher (arg=0x7f4089aacf40) at 
> ldap_helper.c:4727
> #8 0x00007f4087227e25 in start_thread (arg=0x7f40786d7700) at 
> pthread_create.c:308
> #9 0x00007f408629f34d in clone () at 
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
>
> Thread 4 (Thread 0x7f4081cb8700 (LWP 21361)):
> #0 0x00007f408629f923 in epoll_wait () at 
> ../sysdeps/unix/syscall-template.S:81
> #1 0x00007f40890ce916 in watcher (uap=0x7f4089aac010) at socket.c:3913
> #2 0x00007f4087227e25 in start_thread (arg=0x7f4081cb8700) at 
> pthread_create.c:308
> #3 0x00007f408629f34d in clone () at 
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
>
> Thread 3 (Thread 0x7f40834bb700 (LWP 21358)):
> #0 pthread_cond_wait@@GLIBC_2.3.2 () at 
> ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
> #1 0x00007f40890bd4be in dispatch (manager=0x7f4089aa9010) at task.c:1065
> #2 run (uap=0x7f4089aa9010) at task.c:1286
> #3 0x00007f4087227e25 in start_thread (arg=0x7f40834bb700) at 
> pthread_create.c:308
> #4 0x00007f408629f34d in clone () at 
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
>
> Thread 2 (Thread 0x7f4089ae5840 (LWP 21355)):
> #0 0x00007f40861dc572 in do_sigsuspend (set=0x7ffe7ce76400) at 
> ../sysdeps/unix/sysv/linux/sigsuspend.c:32
> ---Type <return> to continue, or q <return> to quit---
> #1 __GI___sigsuspend (set=set at entry 
> <mailto:set=set at entry>=0x7ffe7ce76400) at 
> ../sysdeps/unix/sysv/linux/sigsuspend.c:46
> #2 0x00007f40890c475c in isc__app_ctxrun (ctx0=ctx0 at entry 
> <mailto:ctx0=ctx0 at entry>=0x7f40892efd20 <isc_g_appctx>) at app.c:695
> #3 0x00007f40890c4b4c in isc__app_run () at app.c:722
> #4 0x0000563558d91595 in main (argc=<optimized out>, argv=<optimized 
> out>) at ./main.c:1118
>
> Thread 1 (Thread 0x7f4082cba700 (LWP 21359)):
> #0 0x00007f40861dc1f7 in __GI_raise (sig=sig at entry 
> <mailto:sig=sig at entry>=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
> #1 0x00007f40861dd8e8 in __GI_abort () at abort.c:90
> #2 0x0000563558da1e7e in assertion_failed (file=<optimized out>, 
> line=<optimized out>, type=<optimized out>, cond=<optimized out>) at 
> ./main.c:222
> #3 0x00007f408909d29a in isc_assertion_failed (file=file at entry 
> <mailto:file=file at entry>=0x7f408948a2d4 "rdataset.c", line=line at entry 
> <mailto:line=line at entry>=266, type=type at entry 
> <mailto:type=type at entry>=isc_assertiontype_require, cond=cond at entry 
> <mailto:cond=cond at entry>=0x7f408948a3a8 "rdataset->methods != ((void 
> *)0)")
>     at assertions.c:57
> #4 0x00007f40893df828 in dns_rdataset_first (rdataset=<optimized out>) 
> at rdataset.c:266
> #5 0x00007f40893f155c in fctx_getaddresses (fctx=fctx at entry 
> <mailto:fctx=fctx at entry>=0x7f4068192670, badcache=badcache at entry 
> <mailto:badcache=badcache at entry>=isc_boolean_false) at resolver.c:2727
> #6 0x00007f40893f20fd in fctx_try (fctx=fctx at entry 
> <mailto:fctx=fctx at entry>=0x7f4068192670, retrying=retrying at entry 
> <mailto:retrying=retrying at entry>=isc_boolean_false, 
> badcache=badcache at entry 
> <mailto:badcache=badcache at entry>=isc_boolean_false) at resolver.c:3062
> #7 0x00007f40893f290c in fctx_start (task=<optimized out>, 
> event=<optimized out>) at resolver.c:3444
> #8 0x00007f40890bd6a6 in dispatch (manager=0x7f4089aa9010) at task.c:1116
> #9 run (uap=0x7f4089aa9010) at task.c:1286
> #10 0x00007f4087227e25 in start_thread (arg=0x7f4082cba700) at 
> pthread_create.c:308
> #11 0x00007f408629f34d in clone () at 
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
>
> (gdb) frame 5
>
> #5 0x00007f7adb9c255c in fctx_getaddresses 
> (fctx=fctx at entry=0x7f7ac103e6e0, 
> badcache=badcache at entry=isc_boolean_false) at resolver.c:2727
>
> 2727 for (result = dns_rdataset_first(&fctx->nameservers);
>
> (gdb) list +
>
> 2722 isc_stdtime_get(&now);
>
> 2723
>
> 2724 INSIST(ISC_LIST_EMPTY(fctx->finds));
>
> 2725 INSIST(ISC_LIST_EMPTY(fctx->altfinds));
>
> 2726
>
> 2727 for (result = dns_rdataset_first(&fctx->nameservers);
>
> 2728      result == ISC_R_SUCCESS;
>
> 2729      result = dns_rdataset_next(&fctx->nameservers))
>
> 2730 {
>
> 2731 dns_rdataset_current(&fctx->nameservers, &rdata);
>
> (gdb) frame 4
>
> #4 0x00007f7adb9b0828 in dns_rdataset_first (rdataset=<optimized out>) 
> at rdataset.c:266
>
> 266 REQUIRE(rdataset->methods != NULL);
>
> thank you for your help!
>

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