I tested you PPA Sergio today in one of my virtual systems (x86_64 and no IPv6 connectivity). Previously the commands were giving incomplete results or were crashing.
Now, *they consistently output NOTHING*: $ dig google.com +nssearch $ host -C google.com $ dig -d google.com +nssearch setup_libs() setup_system() create_search_list() ndots is 1. timeout is 0. retries is 3. get_server_list() make_server(127.0.0.53) dig_query_setup parse_args() making new lookup make_empty_lookup() make_empty_lookup() = 0x564a58fce100->references = 1 digrc (open) main parsing -d main parsing google.com clone_lookup() make_empty_lookup() make_empty_lookup() = 0x564a58fcf560->references = 1 clone_server_list() looking up google.com main parsing +nssearch dig_startup() lock_lookup dighost.c:4324 success start_lookup() setup_lookup(0x564a58fcf560) resetting lookup counter. cloning server list clone_server_list() make_server(127.0.0.53) idn_textname: google.com using root origin recursive query AD query add_question() starting to render the message add_opt() done rendering create query 0x7f8030016870 linked to lookup 0x564a58fcf560 dighost.c:2106:lookup_attach(0x564a58fcf560) = 2 dighost.c:2610:new_query(0x7f8030016870) = 1 do_lookup() start_udp(0x7f8030016870) dighost.c:2982:query_attach(0x7f8030016870) = 2 working on lookup 0x564a58fcf560, query 0x7f8030016870 dighost.c:3027:query_attach(0x7f8030016870) = 3 unlock_lookup dighost.c:4326 dighost.c:2944:query_attach(0x7f8030016870) = 4 recving with lookup=0x564a58fcf560, query=0x7f8030016870, handle=(nil) recvcount=1 have local timeout of 5000 dighost.c:2888:query_attach(0x7f8030016870) = 5 sending a request sendcount=1 dighost.c:1700:query_detach(0x7f8030016870) = 4 dighost.c:2964:query_detach(0x7f8030016870) = 3 send_done(0x7f803003a180, success, 0x7f8030016870) sendcount=0 lock_lookup dighost.c:2638 success dighost.c:2642:lookup_attach(0x564a58fcf560) = 3 dighost.c:2680:query_detach(0x7f8030016870) = 2 dighost.c:2681:lookup_detach(0x564a58fcf560) = 2 check_if_done() list empty unlock_lookup dighost.c:2684 recv_done(0x7f803003a180, success, 0x7f8036c6c880, 0x7f8030016870) lock_lookup dighost.c:3631 success recvcount=0 dighost.c:3636:lookup_attach(0x564a58fcf560) = 3 before parse starts after parse in NSSEARCH code following up google.com found NS set found NS ns2.google.com requeue_lookup() clone_lookup() make_empty_lookup() make_empty_lookup() = 0x7f803003d250->references = 1 before insertion, init@0x564a58fcf560 -> 0xffffffffffffffff, new@0x7f803003d250 -> 0xffffffffffffffff after insertion, init -> 0x564a58fcf560, new = 0x7f803003d250, new -> (nil) dighost.c:1887:_cancel_lookup() canceling pending query 0x7f8030016870, belonging to 0x564a58fcf560 dighost.c:2707:query_detach(0x7f8030016870) = 1 check_if_done() list full pending lookup 0x7f803003d250 adding server ns2.google.com make_server(216.239.34.10) make_server(2001:4860:4802:34::a) found NS set found NS ns4.google.com adding server ns4.google.com make_server(216.239.38.10) make_server(2001:4860:4802:38::a) found NS set found NS ns3.google.com adding server ns3.google.com make_server(216.239.36.10) make_server(2001:4860:4802:36::a) found NS set found NS ns1.google.com adding server ns1.google.com make_server(216.239.32.10) make_server(2001:4860:4802:32::a) dighost.c:4219:query_detach(0x7f8030016870) = 0 dighost.c:4219:destroy_query(0x7f8030016870) = 0 dighost.c:1658:lookup_detach(0x564a58fcf560) = 2 dighost.c:4227:lookup_detach(0x564a58fcf560) = 1 clear_current_lookup() dighost.c:1783:lookup_detach(0x564a58fcf560) = 0 destroy_lookup freeing server 0x7f8030001330 belonging to 0x564a58fcf560 start_lookup() setup_lookup(0x7f803003d250) idn_textname: google.com using root origin AD query add_question() starting to render the message add_opt() done rendering create query 0x7f8030016870 linked to lookup 0x7f803003d250 dighost.c:2106:lookup_attach(0x7f803003d250) = 2 dighost.c:2610:new_query(0x7f8030016870) = 1 create query 0x7f8030016270 linked to lookup 0x7f803003d250 dighost.c:2106:lookup_attach(0x7f803003d250) = 3 dighost.c:2610:new_query(0x7f8030016270) = 1 create query 0x7f803003e6b0 linked to lookup 0x7f803003d250 dighost.c:2106:lookup_attach(0x7f803003d250) = 4 dighost.c:2610:new_query(0x7f803003e6b0) = 1 create query 0x7f803003e850 linked to lookup 0x7f803003d250 dighost.c:2106:lookup_attach(0x7f803003d250) = 5 dighost.c:2610:new_query(0x7f803003e850) = 1 create query 0x7f803003e9f0 linked to lookup 0x7f803003d250 dighost.c:2106:lookup_attach(0x7f803003d250) = 6 dighost.c:2610:new_query(0x7f803003e9f0) = 1 create query 0x7f803003c5b0 linked to lookup 0x7f803003d250 dighost.c:2106:lookup_attach(0x7f803003d250) = 7 dighost.c:2610:new_query(0x7f803003c5b0) = 1 create query 0x7f803003c750 linked to lookup 0x7f803003d250 dighost.c:2106:lookup_attach(0x7f803003d250) = 8 dighost.c:2610:new_query(0x7f803003c750) = 1 create query 0x7f803003c8f0 linked to lookup 0x7f803003d250 dighost.c:2106:lookup_attach(0x7f803003d250) = 9 dighost.c:2610:new_query(0x7f803003c8f0) = 1 do_lookup() start_udp(0x7f8030016870) dighost.c:2982:query_attach(0x7f8030016870) = 2 working on lookup 0x7f803003d250, query 0x7f8030016870 dighost.c:3027:query_attach(0x7f8030016870) = 3 unlock_lookup dighost.c:4231 dighost.c:2944:query_attach(0x7f8030016870) = 4 recving with lookup=0x7f803003d250, query=0x7f8030016870, handle=(nil) recvcount=1 have local timeout of 5000 dighost.c:2888:query_attach(0x7f8030016870) = 5 sending a request sendcount=1 dighost.c:1700:query_detach(0x7f8030016870) = 4 dighost.c:2964:query_detach(0x7f8030016870) = 3 send_done(0x7f803003ca90, success, 0x7f8030016870) sendcount=0 lock_lookup dighost.c:2638 success dighost.c:2642:lookup_attach(0x7f803003d250) = 10 sending next, since searching dighost.c:2666:query_detach(0x7f8030016870) = 2 dighost.c:2667:lookup_detach(0x7f803003d250) = 9 start_udp(0x7f8030016270) dighost.c:2982:query_attach(0x7f8030016270) = 2 working on lookup 0x7f803003d250, query 0x7f8030016270 dighost.c:3027:query_attach(0x7f8030016270) = 3 check_if_done() list empty unlock_lookup dighost.c:2676 dighost.c:2944:query_attach(0x7f8030016270) = 4 recving with lookup=0x7f803003d250, query=0x7f8030016270, handle=(nil) recvcount=2 have local timeout of 5000 dighost.c:2888:query_attach(0x7f8030016270) = 5 sending a request sendcount=1 dighost.c:1700:query_detach(0x7f8030016270) = 4 dighost.c:2964:query_detach(0x7f8030016270) = 3 send_done(0x7f803003a180, success, 0x7f8030016270) sendcount=0 lock_lookup dighost.c:2638 success dighost.c:2642:lookup_attach(0x7f803003d250) = 10 sending next, since searching dighost.c:2666:query_detach(0x7f8030016270) = 2 dighost.c:2667:lookup_detach(0x7f803003d250) = 9 start_udp(0x7f803003e6b0) dighost.c:2982:query_attach(0x7f803003e6b0) = 2 working on lookup 0x7f803003d250, query 0x7f803003e6b0 dighost.c:3027:query_attach(0x7f803003e6b0) = 3 check_if_done() list empty unlock_lookup dighost.c:2676 udp setup failed: network unreachable dighost.c:1700:query_detach(0x7f803003e6b0) = 2 dighost.c:2938:query_detach(0x7f803003e6b0) = 1 dighost.c:2939:_cancel_lookup() canceling pending query 0x7f8030016870, belonging to 0x7f803003d250 dighost.c:2707:query_detach(0x7f8030016870) = 1 canceling pending query 0x7f8030016270, belonging to 0x7f803003d250 dighost.c:2707:query_detach(0x7f8030016270) = 1 canceling pending query 0x7f803003e6b0, belonging to 0x7f803003d250 dighost.c:2707:query_detach(0x7f803003e6b0) = 0 dighost.c:2707:destroy_query(0x7f803003e6b0) = 0 dighost.c:1658:lookup_detach(0x7f803003d250) = 8 canceling pending query 0x7f803003e850, belonging to 0x7f803003d250 dighost.c:2707:query_detach(0x7f803003e850) = 0 dighost.c:2707:destroy_query(0x7f803003e850) = 0 dighost.c:1658:lookup_detach(0x7f803003d250) = 7 canceling pending query 0x7f803003e9f0, belonging to 0x7f803003d250 dighost.c:2707:query_detach(0x7f803003e9f0) = 0 dighost.c:2707:destroy_query(0x7f803003e9f0) = 0 dighost.c:1658:lookup_detach(0x7f803003d250) = 6 canceling pending query 0x7f803003c5b0, belonging to 0x7f803003d250 dighost.c:2707:query_detach(0x7f803003c5b0) = 0 dighost.c:2707:destroy_query(0x7f803003c5b0) = 0 dighost.c:1658:lookup_detach(0x7f803003d250) = 5 canceling pending query 0x7f803003c750, belonging to 0x7f803003d250 dighost.c:2707:query_detach(0x7f803003c750) = 0 dighost.c:2707:destroy_query(0x7f803003c750) = 0 dighost.c:1658:lookup_detach(0x7f803003d250) = 4 canceling pending query 0x7f803003c8f0, belonging to 0x7f803003d250 dighost.c:2707:query_detach(0x7f803003c8f0) = 0 dighost.c:2707:destroy_query(0x7f803003c8f0) = 0 dighost.c:1658:lookup_detach(0x7f803003d250) = 3 check_if_done() list empty dighost.c:2940:lookup_detach(0x7f803003d250) = 2 recv_done(0x7f803003ca90, end of file, 0x7f8036c6c610, 0x7f8030016870) lock_lookup dighost.c:3631 success recvcount=1 dighost.c:3636:lookup_attach(0x7f803003d250) = 3 recv_done: cancel dighost.c:3644:query_detach(0x7f8030016870) = 0 dighost.c:3644:destroy_query(0x7f8030016870) = 0 dighost.c:1658:lookup_detach(0x7f803003d250) = 2 dighost.c:3645:lookup_detach(0x7f803003d250) = 1 unlock_lookup dighost.c:3646 recv_done(0x7f803003a180, end of file, 0x7f8036c6c610, 0x7f8030016270) lock_lookup dighost.c:3631 success recvcount=0 dighost.c:3636:lookup_attach(0x7f803003d250) = 2 recv_done: cancel dighost.c:3644:query_detach(0x7f8030016270) = 0 dighost.c:3644:destroy_query(0x7f8030016270) = 0 dighost.c:1658:lookup_detach(0x7f803003d250) = 1 dighost.c:3645:lookup_detach(0x7f803003d250) = 0 destroy_lookup freeing server 0x7f8030044cc0 belonging to 0x7f803003d250 freeing server 0x7f8030041c00 belonging to 0x7f803003d250 freeing server 0x7f80300454e0 belonging to 0x7f803003d250 freeing server 0x7f8030043460 belonging to 0x7f803003d250 freeing server 0x7f80300444a0 belonging to 0x7f803003d250 freeing server 0x7f8030042420 belonging to 0x7f803003d250 freeing server 0x7f8030043c80 belonging to 0x7f803003d250 freeing server 0x7f8030042c40 belonging to 0x7f803003d250 start_lookup() check_if_done() list empty shutting down destroy_lookup cancel_all() lock_lookup dighost.c:4340 unlock_lookup dighost.c:3646 success unlock_lookup dighost.c:4372 destroy_libs() freeing task lock_lookup dighost.c:4392 success flush_server_list() destroy DST lib unlock_lookup dighost.c:4420 Removing log context Destroy memory $ host -C google.com $ host -C google.com $ host -C google.com $ host -C google.com $ host -C google.com $ host -vC google.com Trying "google.com" Received 100 bytes from 127.0.0.53#53 in 12 ms Trying "google.com" $ host -vC google.com Trying "google.com" Received 100 bytes from 127.0.0.53#53 in 0 ms Trying "google.com" $ host -vC google.com Trying "google.com" Received 100 bytes from 127.0.0.53#53 in 0 ms Trying "google.com" Also, the command: $ dig +trace google.com randomly gives INCOMPLETE results. NOTE: I experienced *no crash* in any run of the current commands though. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1970252 Title: The `dig` and `host` commands core dump or give incomplete results in Ubuntu 22.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bind9/+bug/1970252/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
