[Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `/usr/sbin/nscd'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f9a8ba9a28e in __GI___libc_free (mem=0x6e69666e6f636e75) at malloc.c:3231 3231 if (chunk_is_mmapped (p)) /* release mmapped memory. */ [Current thread is 1 (Thread 0x7f9a7fbf8640 (LWP 13136))] Thread 11 (Thread 0x7f9a803fc640 (LWP 13132)): #0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7f9a803fbd00, op=137, expected=0, futex_word=0x5572e4175500 ) at futex-internal.c:57 #1 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5572e4175500 , expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9a803fbd00, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87 #2 0x00007f9a8ba8728f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5572e4175500 , expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9a803fbd00, private=private@entry=0) at futex-internal.c:139 #3 0x00007f9a8ba8996f in __pthread_cond_wait_common (abstime=0x7f9a803fbd00, clockid=1, mutex=0x5572e4175508 , cond=0x5572e41754d8 ) at pthread_cond_wait.c:427 #4 ___pthread_cond_timedwait64 (cond=cond@entry=0x5572e41754d8 , mutex=mutex@entry=0x5572e4175508 , abstime=abstime@entry=0x7f9a803fbd00) at pthread_cond_wait.c:484 #5 0x00005572e4156e70 in nscd_run_prune (p=) at connections.c:1528 #6 0x00007f9a8ba8a19a in start_thread (arg=) at pthread_create.c:443 #7 0x00007f9a8bb0f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 Thread 10 (Thread 0x7f9a7f9f7640 (LWP 13137)): #0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=478, futex_word=0x5572e41758cc ) at futex-internal.c:57 #1 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5572e41758cc , expected=expected@entry=478, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87 #2 0x00007f9a8ba8728f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5572e41758cc , expected=expected@entry=478, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f9a8ba89782 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5572e4175860 , cond=0x5572e41758a0 ) at pthread_cond_wait.c:427 #4 ___pthread_cond_wait (cond=cond@entry=0x5572e41758a0 , mutex=mutex@entry=0x5572e4175860 ) at pthread_cond_wait.c:459 #5 0x00005572e4158b2b in nscd_run_worker (p=) at connections.c:1609 #6 0x00007f9a8ba8a19a in start_thread (arg=) at pthread_create.c:443 #7 0x00007f9a8bb0f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 Thread 9 (Thread 0x7f9a809ff640 (LWP 13129)): #0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7f9a809fed00, op=137, expected=29, futex_word=0x5572e41750e4 ) at futex-internal.c:57 #1 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5572e41750e4 , expected=expected@entry=29, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9a809fed00, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87 #2 0x00007f9a8ba8728f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5572e41750e4 , expected=expected@entry=29, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9a809fed00, private=private@entry=0) at futex-internal.c:139 #3 0x00007f9a8ba8996f in __pthread_cond_wait_common (abstime=0x7f9a809fed00, clockid=1, mutex=0x5572e41750e8 , cond=0x5572e41750b8 ) at pthread_cond_wait.c:427 #4 ___pthread_cond_timedwait64 (cond=cond@entry=0x5572e41750b8 , mutex=mutex@entry=0x5572e41750e8 , abstime=abstime@entry=0x7f9a809fed00) at pthread_cond_wait.c:484 #5 0x00005572e4156e70 in nscd_run_prune (p=) at connections.c:1528 #6 0x00007f9a8ba8a19a in start_thread (arg=) at pthread_create.c:443 #7 0x00007f9a8bb0f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 Thread 8 (Thread 0x7f9a801fb640 (LWP 13133)): #0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7f9a801fad00, op=137, expected=0, futex_word=0x5572e4175660 ) at futex-internal.c:57 #1 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5572e4175660 , expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9a801fad00, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87 #2 0x00007f9a8ba8728f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5572e4175660 , expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9a801fad00, private=private@entry=0) at futex-internal.c:139 #3 0x00007f9a8ba8996f in __pthread_cond_wait_common (abstime=0x7f9a801fad00, clockid=1, mutex=0x5572e4175668 , cond=0x5572e4175638 ) at pthread_cond_wait.c:427 #4 ___pthread_cond_timedwait64 (cond=cond@entry=0x5572e4175638 , mutex=mutex@entry=0x5572e4175668 , abstime=abstime@entry=0x7f9a801fad00) at pthread_cond_wait.c:484 #5 0x00005572e4156e70 in nscd_run_prune (p=) at connections.c:1528 #6 0x00007f9a8ba8a19a in start_thread (arg=) at pthread_create.c:443 #7 0x00007f9a8bb0f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 Thread 7 (Thread 0x7f9a7fffa640 (LWP 13134)): #0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=483, futex_word=0x5572e41758c8 ) at futex-internal.c:57 #1 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5572e41758c8 , expected=expected@entry=483, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87 #2 0x00007f9a8ba8728f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5572e41758c8 , expected=expected@entry=483, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f9a8ba89782 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5572e4175860 , cond=0x5572e41758a0 ) at pthread_cond_wait.c:427 #4 ___pthread_cond_wait (cond=cond@entry=0x5572e41758a0 , mutex=mutex@entry=0x5572e4175860 ) at pthread_cond_wait.c:459 #5 0x00005572e4158b2b in nscd_run_worker (p=) at connections.c:1609 #6 0x00007f9a8ba8a19a in start_thread (arg=) at pthread_create.c:443 #7 0x00007f9a8bb0f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 Thread 6 (Thread 0x7f9a7fdf9640 (LWP 13135)): #0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=478, futex_word=0x5572e41758cc ) at futex-internal.c:57 #1 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5572e41758cc , expected=expected@entry=478, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87 #2 0x00007f9a8ba8728f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5572e41758cc , expected=expected@entry=478, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f9a8ba89782 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5572e4175860 , cond=0x5572e41758a0 ) at pthread_cond_wait.c:427 #4 ___pthread_cond_wait (cond=cond@entry=0x5572e41758a0 , mutex=mutex@entry=0x5572e4175860 ) at pthread_cond_wait.c:459 #5 0x00005572e4158b2b in nscd_run_worker (p=) at connections.c:1609 #6 0x00007f9a8ba8a19a in start_thread (arg=) at pthread_create.c:443 #7 0x00007f9a8bb0f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 Thread 5 (Thread 0x7f9a807fe640 (LWP 13130)): #0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7f9a807fdd00, op=137, expected=47, futex_word=0x5572e4175244 ) at futex-internal.c:57 #1 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5572e4175244 , expected=expected@entry=47, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9a807fdd00, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87 #2 0x00007f9a8ba8728f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5572e4175244 , expected=expected@entry=47, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9a807fdd00, private=private@entry=0) at futex-internal.c:139 #3 0x00007f9a8ba8996f in __pthread_cond_wait_common (abstime=0x7f9a807fdd00, clockid=1, mutex=0x5572e4175248 , cond=0x5572e4175218 ) at pthread_cond_wait.c:427 #4 ___pthread_cond_timedwait64 (cond=cond@entry=0x5572e4175218 , mutex=mutex@entry=0x5572e4175248 , abstime=abstime@entry=0x7f9a807fdd00) at pthread_cond_wait.c:484 #5 0x00005572e4156e70 in nscd_run_prune (p=) at connections.c:1528 #6 0x00007f9a8ba8a19a in start_thread (arg=) at pthread_create.c:443 #7 0x00007f9a8bb0f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 Thread 4 (Thread 0x7f9a7f7f6640 (LWP 13138)): #0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=483, futex_word=0x5572e41758c8 ) at futex-internal.c:57 #1 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5572e41758c8 , expected=expected@entry=483, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87 #2 0x00007f9a8ba8728f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5572e41758c8 , expected=expected@entry=483, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139 #3 0x00007f9a8ba89782 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5572e4175860 , cond=0x5572e41758a0 ) at pthread_cond_wait.c:427 #4 ___pthread_cond_wait (cond=cond@entry=0x5572e41758a0 , mutex=mutex@entry=0x5572e4175860 ) at pthread_cond_wait.c:459 #5 0x00005572e4158b2b in nscd_run_worker (p=) at connections.c:1609 #6 0x00007f9a8ba8a19a in start_thread (arg=) at pthread_create.c:443 #7 0x00007f9a8bb0f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 Thread 3 (Thread 0x7f9a8bd20840 (LWP 13128)): #0 0x00007f9a8bb0e87e in epoll_wait (epfd=epfd@entry=4, events=events@entry=0x7ffd6c6f5a90, maxevents=maxevents@entry=100, timeout=29976) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30 #1 0x00005572e4159e1d in main_loop_epoll (efd=efd@entry=4) at connections.c:2229 #2 0x00005572e415a858 in start_threads () at connections.c:2445 #3 0x00005572e4155d4d in main (argc=, argv=) at nscd.c:330 Thread 2 (Thread 0x7f9a805fd640 (LWP 13131)): #0 __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7f9a805fcd00, op=137, expected=0, futex_word=0x5572e41753a4 ) at futex-internal.c:57 #1 __futex_abstimed_wait_common (futex_word=futex_word@entry=0x5572e41753a4 , expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9a805fcd00, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87 #2 0x00007f9a8ba8728f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5572e41753a4 , expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f9a805fcd00, private=private@entry=0) at futex-internal.c:139 #3 0x00007f9a8ba8996f in __pthread_cond_wait_common (abstime=0x7f9a805fcd00, clockid=1, mutex=0x5572e41753a8 , cond=0x5572e4175378 ) at pthread_cond_wait.c:427 #4 ___pthread_cond_timedwait64 (cond=cond@entry=0x5572e4175378 , mutex=mutex@entry=0x5572e41753a8 , abstime=abstime@entry=0x7f9a805fcd00) at pthread_cond_wait.c:484 #5 0x00005572e4156e70 in nscd_run_prune (p=) at connections.c:1528 #6 0x00007f9a8ba8a19a in start_thread (arg=) at pthread_create.c:443 #7 0x00007f9a8bb0f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 Thread 1 (Thread 0x7f9a7fbf8640 (LWP 13136)): #0 0x00007f9a8ba9a28e in __GI___libc_free (mem=0x6e69666e6f636e75) at malloc.c:3231 #1 0x00007f9a8be22561 in selinux_flush_class_cache () from /lib64/libselinux.so.1 #2 0x00007f9a8be1a014 in avc_process_policyload[localalias] () from /lib64/libselinux.so.1 #3 0x00007f9a8be285f2 in selinux_status_updated () from /lib64/libselinux.so.1 #4 0x00007f9a8be19efd in avc_has_perm_noaudit () from /lib64/libselinux.so.1 #5 0x00007f9a8be19f69 in avc_has_perm () from /lib64/libselinux.so.1 #6 0x00005572e416d56c in nscd_request_avc_has_perm (fd=fd@entry=20, req=) at selinux.c:429 #7 0x00005572e4158d97 in handle_request (uid=4294967295, pid=0, key=0x7f9a7fbf6900, req=0x7f9a7fbf6744, fd=20) at connections.c:1058 #8 nscd_run_worker (p=) at connections.c:1703 #9 0x00007f9a8ba8a19a in start_thread (arg=) at pthread_create.c:443 #10 0x00007f9a8bb0f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81