bind9

Files

T

Mark Andrews cf4a9d9ab8 It appears that you can't change what you are polling for while connecting.

WARNING: ThreadSanitizer: data race (pid=6465)
  Read of size 8 at 0x7ba000002040 by thread T14:
    #0 epoll_ctl <null> (named+0x44ccd2)
    #1 watch_fd /builds/isc-projects/bind9/lib/isc/unix/socket.c:975:8 (libisc.so.1107+0x6bd90)
    #2 wakeup_socket /builds/isc-projects/bind9/lib/isc/unix/socket.c:1164:11 (libisc.so.1107+0x7057d)
    #3 process_ctlfd /builds/isc-projects/bind9/lib/isc/unix/socket.c:4258:3 (libisc.so.1107+0x6c308)
    #4 process_fds /builds/isc-projects/bind9/lib/isc/unix/socket.c:4162:10 (libisc.so.1107+0x6bf74)
    #5 watcher /builds/isc-projects/bind9/lib/isc/unix/socket.c:4401:10 (libisc.so.1107+0x64348)

  Previous write of size 8 at 0x7ba000002040 by thread T9 (mutexes: write M81481868977181736):
    #0 connect <null> (named+0x44b7e0)
    #1 isc__socket_connect /builds/isc-projects/bind9/lib/isc/unix/socket.c:5902:7 (libisc.so.1107+0x67a79)
    #2 isc_socket_connect /builds/isc-projects/bind9/lib/isc/unix/./../socket_api.c:169:11 (libisc.so.1107+0x6aa4b)
    #3 resquery_send /builds/isc-projects/bind9/lib/dns/resolver.c:2573:13 (libdns.so.1110+0x18570b)
    #4 fctx_query /builds/isc-projects/bind9/lib/dns/resolver.c:1903:12 (libdns.so.1110+0x1815a3)
    #5 fctx_try /builds/isc-projects/bind9/lib/dns/resolver.c:3863:11 (libdns.so.1110+0x17e3a9)
    #6 fctx_start /builds/isc-projects/bind9/lib/dns/resolver.c:4219:4 (libdns.so.1110+0x178833)
    #7 dispatch /builds/isc-projects/bind9/lib/isc/task.c:1157:7 (libisc.so.1107+0x507f5)
    #8 run /builds/isc-projects/bind9/lib/isc/task.c:1331:2 (libisc.so.1107+0x4d749)

  Location is file descriptor 516 created by thread T9 at:
    #0 connect <null> (named+0x44b7e0)
    #1 isc__socket_connect /builds/isc-projects/bind9/lib/isc/unix/socket.c:5902:7 (libisc.so.1107+0x67a79)
    #2 isc_socket_connect /builds/isc-projects/bind9/lib/isc/unix/./../socket_api.c:169:11 (libisc.so.1107+0x6aa4b)
    #3 resquery_send /builds/isc-projects/bind9/lib/dns/resolver.c:2573:13 (libdns.so.1110+0x18570b)
    #4 fctx_query /builds/isc-projects/bind9/lib/dns/resolver.c:1903:12 (libdns.so.1110+0x1815a3)
    #5 fctx_try /builds/isc-projects/bind9/lib/dns/resolver.c:3863:11 (libdns.so.1110+0x17e3a9)
    #6 fctx_start /builds/isc-projects/bind9/lib/dns/resolver.c:4219:4 (libdns.so.1110+0x178833)
    #7 dispatch /builds/isc-projects/bind9/lib/isc/task.c:1157:7 (libisc.so.1107+0x507f5)
    #8 run /builds/isc-projects/bind9/lib/isc/task.c:1331:2 (libisc.so.1107+0x4d749)