BIND hangs in qp_makekey
My home resolver (main - 88a5befa) with QP got stuck after less than an hour of runtime:
Mar 06 17:53:17 dns.mnowak.cz named[81103]: client @0x7f11efb74c00 86.49.239.93#37346 (fedoraproject.org): query: fedoraproject.org IN AAAA +E(0)T (23.88.124.106)
Mar 06 17:53:17 dns.mnowak.cz named[81103]: client @0x7f11d913fc00 86.49.239.93#37388 (fedoraproject.org): query: fedoraproject.org IN AAAA +E(0)T (23.88.124.106)
Mar 06 17:53:18 dns.mnowak.cz named[81103]: client @0x7f11d905c400 86.49.239.93#37265 (cdn.samsungcloudsolution.com): query: cdn.samsungcloudsolution.com IN A + (23.88.124.106)
Mar 06 17:53:18 dns.mnowak.cz named[81103]: client @0x7f11ef80dc00 86.49.239.93#37366 (cdn.samsungcloudsolution.com): query: cdn.samsungcloudsolution.com IN A + (23.88.124.106)
Mar 06 17:53:20 dns.mnowak.cz named[81103]: client @0x7f11c5f93400 86.49.239.93#37217 (cdn.samsungcloudsolution.com): query: cdn.samsungcloudsolution.com IN A + (23.88.124.106)
Mar 06 17:53:20 dns.mnowak.cz named[81103]: client @0x7f11c5e70800 86.49.239.93#37210 (cdn.samsungcloudsolution.com): query: cdn.samsungcloudsolution.com IN A + (23.88.124.106)
Mar 06 17:53:21 dns.mnowak.cz named[81103]: client @0x7f11d913fc00 86.49.239.93#37346 (download.copr.fedorainfracloud.org): query: download.copr.fedorainfracloud.org IN A +E(0)T (23.88.124.106)
Mar 06 17:53:24 dns.mnowak.cz named[81103]: client @0x7f11c5f80c00 86.49.239.93#37347 (cdn.samsungcloudsolution.com): query: cdn.samsungcloudsolution.com IN A + (23.88.124.106)
Mar 06 17:53:24 dns.mnowak.cz named[81103]: client @0x7f11c5e6f000 86.49.239.93#37298 (cdn.samsungcloudsolution.com): query: cdn.samsungcloudsolution.com IN A + (23.88.124.106)
Mar 06 17:53:26 dns.mnowak.cz named[81103]: client @0x7f11c6408800 86.49.239.93#37257 (cdn.samsungcloudsolution.com): query: cdn.samsungcloudsolution.com IN A + (23.88.124.106)
Mar 06 17:53:31 dns.mnowak.cz named[81103]: client @0x7f11c5e57400 2a02:8308:a006:2b00::901f#56962 (download.copr.fedorainfracloud.org): query: download.copr.fedorainfracloud.org IN A +E(0)T (2a01:4f8:1c17:cdb0::1)I aborted the server to get a core file. Here's a backtrace:
#0 dns_qpkey_fromname (key=0x7ffdf559a200 "\002\"%\032\002\034&\026\002 \024''\030% \"&'\002\002", name=0x7f11c6260110) at qp.c:234
#1 0x00007f11f18dd88f in qp_makekey (key=<optimized out>, uctx=<optimized out>, pval=<optimized out>, ival=<optimized out>) at qpdb.c:201
#2 0x00007f11f18bf605 in leaf_qpkey (qpr=..., n=0x7f11f02ee048, key=0x7ffdf559a200 "\002\"%\032\002\034&\026\002 \024''\030% \"&'\002\002") at /home/newman/bind9/lib/dns/qp_p.h:883
#3 fix_iterator (qp=qp@entry=0x7f11f02d82c0, iter=iter@entry=0x7ffdf559c160, start=<optimized out>,
search=search@entry=0x7ffdf559bec0 "\002\"%\032\002\031\030\027\"%\024\034!\031%\024\026\037\"(\027\002\026\"#%\002\027\"*!\037\"\024\027\002\002", searchlen=searchlen@entry=36, bit=bit@entry=37 '%',
offset=9) at qp.c:2152
#4 0x00007f11f18bfeee in dns_qp_lookup (qpr=..., name=name@entry=0x7f11d9108380, foundname=foundname@entry=0x0, iter=iter@entry=0x7ffdf559c160, chain=0x7ffdf559b4a0, chain@entry=0x0,
pval_r=pval_r@entry=0x7ffdf559d178, ival_r=0x0) at qp.c:2284
#5 0x00007f11f18d62c0 in find_coveringnsec (search=search@entry=0x7ffdf559d6b0, name=name@entry=0x7f11d9108380, nodep=nodep@entry=0x7ffdf55a0080, now=now@entry=1709744001,
foundname=foundname@entry=0x7f11d9108100, rdataset=rdataset@entry=0x7f11d9129c00, sigrdataset=0x7f11d912b480) at qp-cachedb.c:636
#6 0x00007f11f18d69ee in cache_find (db=<optimized out>, name=0x7f11d9108380, version=<optimized out>, type=1, options=16, now=<optimized out>, nodep=0x7ffdf55a0080, foundname=0x7f11d9108100,
rdataset=0x7f11d9129c00, sigrdataset=0x7f11d912b480) at qp-cachedb.c:803
#7 0x00007f11f18538f7 in dns__db_findext (db=0x7f11f0259800, name=name@entry=0x7f11d9108380, version=0x0, type=1, options=options@entry=16, now=1709744001, nodep=0x7ffdf55a0080, foundname=0x7f11d9108100,
methods=0x7ffdf559f6f0, clientinfo=0x7ffdf559f660, rdataset=0x7f11d9129c00, sigrdataset=0x7f11d912b480) at db.c:535
#8 0x00007f11f1add5b1 in query_lookup (qctx=qctx@entry=0x7ffdf559fbe0) at query.c:5969
#9 0x00007f11f1ade2f7 in ns__query_start (qctx=qctx@entry=0x7ffdf559fbe0) at query.c:5817
#10 0x00007f11f1ae3b6e in query_setup (client=client@entry=0x7f11d913fc00, qtype=qtype@entry=1) at query.c:5529
#11 0x00007f11f1ae4667 in ns_query_start (client=client@entry=0x7f11d913fc00, handle=handle@entry=0x7f11d9180700) at query.c:12107
#12 0x00007f11f1ac66fe in ns_client_request (handle=0x7f11d9180700, eresult=<optimized out>, region=<optimized out>, arg=<optimized out>) at client.c:2231
#13 0x00007f11f1b2a968 in streamdns_on_complete_dnsmessage (dnsasm=<optimized out>, region=0x7ffdf55a0850, sock=0x7f11d9161300, transphandle=0x7f11ee98d500) at netmgr/streamdns.c:147
#14 streamdns_on_dnsmessage_data_cb (dnsasm=<optimized out>, result=<optimized out>, region=0x7ffdf55a0850, cbarg=0x7f11d9161300, userarg=0x7f11ee98d500) at netmgr/streamdns.c:206
#15 0x00007f11f1b2a1c8 in isc__dnsstream_assembler_callcb (dnsasm=0x7f11efb71300, result=ISC_R_SUCCESS, region=0x7ffdf55a0850, userarg=0x0) at ./include/isc/dnsstream.h:306
#16 isc__dnsstream_assembler_handle_message (dnsasm=dnsasm@entry=0x7f11efb71300, userarg=userarg@entry=0x7f11ee98d500) at ./include/isc/dnsstream.h:353
#17 0x00007f11f1b2ab7b in isc__dnsstream_assembler_processing (dnsasm=0x7f11efb71300, userarg=0x7f11ee98d500) at ./include/isc/dnsstream.h:370
#18 isc__dnsstream_assembler_incoming_direct (dnsasm=0x7f11efb71300, userarg=0x7f11ee98d500, buf=0x7ffdf55a0970, buf_size=65) at ./include/isc/dnsstream.h:396
#19 isc_dnsstream_assembler_incoming (dnsasm=0x7f11efb71300, userarg=0x7f11ee98d500, buf=0x7ffdf55a0970, buf_size=65) at ./include/isc/dnsstream.h:508
#20 streamdns_handle_incoming_data (sock=sock@entry=0x7f11d9161300, transphandle=transphandle@entry=0x7f11ee98d500, data=0x7ffdf55a0970, len=65) at netmgr/streamdns.c:242
#21 0x00007f11f1b2ad34 in streamdns_readcb (handle=0x7f11ee98d500, result=ISC_R_SUCCESS, region=0x7ffdf55a0960, cbarg=0x7f11d9161300) at netmgr/streamdns.c:557
#22 0x00007f11f1b30b73 in tls_do_bio (sock=sock@entry=0x7f11d9162200, received_data=received_data@entry=0x7ffdf55b09f0, send_data=send_data@entry=0x0, finish=finish@entry=false) at netmgr/tlsstream.c:679
#23 0x00007f11f1b30fb5 in tls_readcb (handle=0x7f11ee987400, result=ISC_R_SUCCESS, region=0x7ffdf55b09f0, cbarg=0x7f11d9162200) at netmgr/tlsstream.c:840
#24 0x00007f11f1b2314c in isc___nm_readcb (arg=<optimized out>) at netmgr/netmgr.c:1856
#25 0x00007f11f1b2321e in isc__nm_readcb (sock=sock@entry=0x7f11d9163b00, uvreq=<optimized out>, eresult=eresult@entry=ISC_R_SUCCESS, async=async@entry=false) at netmgr/netmgr.c:1871
#26 0x00007f11f1b2ee80 in isc__nm_tcp_read_cb (stream=<optimized out>, nread=174, buf=0x7ffdf55b0a90) at netmgr/tcp.c:772
#27 0x00007f11f131c6fb in uv.read () from /lib64/libuv.so.1
#28 0x00007f11f131ca78 in uv.stream_io () from /lib64/libuv.so.1
#29 0x00007f11f132262b in uv.io_poll () from /lib64/libuv.so.1
#30 0x00007f11f1309708 in uv_run () from /lib64/libuv.so.1
#31 0x00007f11f1b48255 in loop_thread (arg=arg@entry=0x7f11f0227000) at loop.c:284
#32 0x00007f11f1b5a02e in thread_body (wrap=0x7f11f0325480) at thread.c:85
#33 0x00007f11f1b5a0a7 in isc_thread_main (func=func@entry=0x7f11f1b481ca <loop_thread>, arg=0x7f11f0227000) at thread.c:116
#34 0x00007f11f1b491ea in isc_loopmgr_run (loopmgr=0x7f11f0209a80) at loop.c:456
#35 0x0000000000426ac0 in main (argc=4, argv=0x7ffdf55b4e08) at main.c:1574