Full_Name: Quanah Gibson-Mount Version: 2.3.27/HEAD OS: Linux 2.6 (64-bit) URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (171.64.19.81)

The following core happened today on one of my replicas:

Core was generated by `/usr/local/lib/slapd -h ldap:///'. Program terminated with signal 11, Segmentation fault.

(gdb) info threads 10 process 28453 0x00002b9d6da82e2c in pthread_join () from /lib/libpthread.so.0 9 process 28455 0x00002b9d6dc62b2c in epoll_wait () from /lib/libc.so.6 8 process 28456 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 7 process 28457 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 6 process 28458 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 5 process 28459 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 4 process 28462 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 3 process 28463 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 2 process 28464 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 * 1 process 28461 0x00002b9d6dc427dd in fnmatch () from /lib/libc.so.6

(gdb) thread 10 [Switching to thread 10 (process 28453)]#0 0x00002b9d6da82e2c in pthread_join () from /lib/libpthread.so.0 (gdb) bt #0 0x00002b9d6da82e2c in pthread_join () from /lib/libpthread.so.0 #1 0x0000000000425d41 in slapd_daemon () at daemon.c:2261 #2 0x0000000000416254 in main (argc=3, argv=0x7fffffd3c4c8) at main.c:854 (gdb) thread 9 [Switching to thread 9 (process 28455)]#0 0x00002b9d6dc62b2c in epoll_wait () from /lib/libc.so.6 (gdb) bt #0 0x00002b9d6dc62b2c in epoll_wait () from /lib/libc.so.6 #1 0x0000000000425389 in slapd_daemon_task (ptr=0x6) at daemon.c:1859 #2 0x00002b9d6cd50c93 in startMeUp () from /usr/local/lib/libhoard.so #3 0x00002b9d6da81b55 in start_thread () from /lib/libpthread.so.0 #4 0x00002b9d6dc627f0 in clone () from /lib/libc.so.6 (gdb) thread 8 [Switching to thread 8 (process 28456)]#0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 (gdb) bt #0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00002b9d6d03f5ae in ldap_int_thread_pool_wrapper (xpool=0x2b9d6e9400c0) at tpool.c:490 #2 0x00002b9d6cd50c93 in startMeUp () from /usr/local/lib/libhoard.so #3 0x00002b9d6da81b55 in start_thread () from /lib/libpthread.so.0 (gdb) thread 7 [Switching to thread 7 (process 28457)]#0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 (gdb) bt #0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00002b9d6d03f5ae in ldap_int_thread_pool_wrapper (xpool=0x2b9d6e9400c0) at tpool.c:490 #2 0x00002b9d6cd50c93 in startMeUp () from /usr/local/lib/libhoard.so #3 0x00002b9d6da81b55 in start_thread () from /lib/libpthread.so.0 #4 0x00002b9d6dc627f0 in clone () from /lib/libc.so.6 (gdb) thread 6 [Switching to thread 6 (process 28458)]#0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 (gdb) bt #0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00002b9d6d03f5ae in ldap_int_thread_pool_wrapper (xpool=0x2b9d6e9400c0) at tpool.c:490 #2 0x00002b9d6cd50c93 in startMeUp () from /usr/local/lib/libhoard.so #3 0x00002b9d6da81b55 in start_thread () from /lib/libpthread.so.0 (gdb) thread 5 [Switching to thread 5 (process 28459)]#0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 (gdb) bt #0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00002b9d6d03f5ae in ldap_int_thread_pool_wrapper (xpool=0x2b9d6e9400c0) at tpool.c:490 #2 0x00002b9d6cd50c93 in startMeUp () from /usr/local/lib/libhoard.so #3 0x00002b9d6da81b55 in start_thread () from /lib/libpthread.so.0 #4 0x00002b9d6dc627f0 in clone () from /lib/libc.so.6 (gdb) thread 4 [Switching to thread 4 (process 28462)]#0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 (gdb) bt #0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00002b9d6d03f5ae in ldap_int_thread_pool_wrapper (xpool=0x2b9d6e9400c0) at tpool.c:490 #2 0x00002b9d6cd50c93 in startMeUp () from /usr/local/lib/libhoard.so #3 0x00002b9d6da81b55 in start_thread () from /lib/libpthread.so.0 (gdb) thread 3 [Switching to thread 3 (process 28463)]#0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 (gdb) bt #0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00002b9d6d03f5ae in ldap_int_thread_pool_wrapper (xpool=0x2b9d6e9400c0) at tpool.c:490 #2 0x00002b9d6cd50c93 in startMeUp () from /usr/local/lib/libhoard.so #3 0x00002b9d6da81b55 in start_thread () from /lib/libpthread.so.0 #4 0x00002b9d6dc627f0 in clone () from /lib/libc.so.6 (gdb) thread 2 [Switching to thread 2 (process 28464)]#0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 (gdb) bt #0 0x00002b9d6da844e4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00002b9d6d03f5ae in ldap_int_thread_pool_wrapper (xpool=0x2b9d6e9400c0) at tpool.c:490 #2 0x00002b9d6cd50c93 in startMeUp () from /usr/local/lib/libhoard.so #3 0x00002b9d6da81b55 in start_thread () from /lib/libpthread.so.0 #4 0x00002b9d6dc627f0 in clone () from /lib/libc.so.6 (gdb) thread 1 [Switching to thread 1 (process 28461)]#0 0x00002b9d6dc427dd in fnmatch () from /lib/libc.so.6 (gdb) bt #0 0x00002b9d6dc427dd in fnmatch () from /lib/libc.so.6 #1 0x00002b9d6dc4dd22 in re_exec () from /lib/libc.so.6 #2 0x00002b9d6dc4b70b in re_exec () from /lib/libc.so.6 #3 0x00002b9d6dc49d83 in re_exec () from /lib/libc.so.6 #4 0x00002b9d6dc48526 in re_exec () from /lib/libc.so.6 #5 0x00002b9d6dc47e83 in re_exec () from /lib/libc.so.6 #6 0x00002b9d6dc474a6 in regexec () from /lib/libc.so.6 #7 0x0000000000446058 in slap_access_allowed (op=0x2aaaafd40080, e=0x2b9e6fde1f78, desc=0x2b9d6e563d50, val=0x2aaab4e07580, access=ACL_READ, state=0x42e7d4e0, maskp=0x42e7d408) at acl.c:874 #8 0x0000000000448521 in fe_access_allowed (op=0x2aaaafd40080, e=0x2b9e6fde1f78, desc=0x2b9d6e563d50, val=0x2aaab4e07580, access=ACL_READ, state=0x42e7d4e0, maskp=0x0) at acl.c:318 #9 0x0000000000443df3 in access_allowed_mask (op=0x2aaaafd40080, e=0x2b9e6fde1f78, desc=0x2b9d6e563d50, val=0x2aaab4e07580, access=ACL_READ, state=0x42e7d4e0, maskp=0x0) at acl.c:429 #10 0x0000000000436e1b in slap_send_search_entry (op=0x2aaaafd40080, rs=0x42ffeeb0) at result.c:894 #11 0x00002b9d6f7342dc in hdb_search (op=0x2aaaafd40080, rs=0x42ffeeb0) at search.c:878 #12 0x000000000042a30a in fe_op_search (op=0x2aaaafd40080, rs=0x42ffeeb0) at search.c:355 #13 0x0000000000429c45 in do_search (op=0x2aaaafd40080, rs=0x42ffeeb0) at search.c:217 #14 0x000000000042837d in connection_operation (ctx=0x42fff020, arg_v=0x2aaaafd40080) at connection.c:1100 #15 0x0000000000428a33 in connection_read_thread (ctx=0x42fff020, argv=0x0) at connection.c:1227 #16 0x00002b9d6d03f522 in ldap_int_thread_pool_wrapper (xpool=0x1) at tpool.c:478 #17 0x00002b9d6cd50c93 in startMeUp () from /usr/local/lib/libhoard.so #18 0x00002b9d6da81b55 in start_thread () from /lib/libpthread.so.0

Given that all threads except thread 1 appear to be in the same spot, I'm guessing the problem is in thread 1.

Code is:

(gdb) frame 7 #7 0x0000000000446058 in slap_access_allowed (op=0x2aaaafd40080, e=0x2b9e6fde1f78, desc=0x2b9d6e563d50, val=0x2aaab4e07580, access=ACL_READ, state=0x42e7d4e0, maskp=0x42e7d408) at acl.c:874 874 if ( regexec( &a->acl_attrval_re, val->bv_val, 0, NULL, 0 ) ) (gdb) l 869 870 if ( a->acl_attrval_style == ACL_STYLE_REGEX ) { 871 Debug( LDAP_DEBUG_ACL, 872 "acl_get: valpat %s\n", 873 a->acl_attrval.bv_val, 0, 0 ); 874 if ( regexec( &a->acl_attrval_re, val->bv_val, 0, NULL, 0 ) ) 875 { 876 continue; 877 } 878

--Quanah