ThreadSanitizer: data race adb.c:2790 in dns_adb_detach

• Binary: named
• Commit: c5b6f215
• Tests: autosign

WARNING: ThreadSanitizer: data race (pid=45980)
  Read of size 4 at 0x7b6400011410 by thread T6:
    #0 dns_adb_detach adb.c:2790 (libdns.1503.dylib:x86_64+0x9fda)
    #1 fctx_destroy resolver.c:4400 (libdns.1503.dylib:x86_64+0x1302bf)
    #2 fctx_doshutdown resolver.c:4570 (libdns.1503.dylib:x86_64+0x14c626)
    #3 run task.c:1134 (libisc.1503.dylib:x86_64+0x2c9e1)

  Previous write of size 4 at 0x7b6400011410 by thread T8 (mutexes: write M55586239839015768):
    #0 dns_adb_detach adb.c:2793 (libdns.1503.dylib:x86_64+0xa007)
    #1 fctx_destroy resolver.c:4400 (libdns.1503.dylib:x86_64+0x1302bf)
    #2 fctx_doshutdown resolver.c:4570 (libdns.1503.dylib:x86_64+0x14c626)
    #3 run task.c:1134 (libisc.1503.dylib:x86_64+0x2c9e1)

  Location is heap block of size 1025 at 0x7b6400011300 allocated by thread T5:
    #0 malloc <null>:6892352 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e65a)
    #1 default_memalloc mem.c:685 (libisc.1503.dylib:x86_64+0x17ae1)
    #2 dns_view_createresolver view.c:778 (libdns.1503.dylib:x86_64+0x18bd72)
    #3 configure_view server.c:4552 (named:x86_64+0x100027d3f)
    #4 load_configuration server.c:8916 (named:x86_64+0x100021275)
    #5 run_server server.c:9638 (named:x86_64+0x10000de29)
    #6 run task.c:1134 (libisc.1503.dylib:x86_64+0x2c9e1)

  Mutex M55586239839015768 is already destroyed.

  Thread T6 (tid=4654359, running) created by main thread at:
    #0 pthread_create <null>:6892400 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x2a9cd)
    #1 isc_thread_create thread.c:75 (libisc.1503.dylib:x86_64+0x46d1c)
    #2 main main.c:902 (named:x86_64+0x10000ad16)

  Thread T8 (tid=4654361, running) created by main thread at:
    #0 pthread_create <null>:6892400 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x2a9cd)
    #1 isc_thread_create thread.c:75 (libisc.1503.dylib:x86_64+0x46d1c)
    #2 main main.c:902 (named:x86_64+0x10000ad16)

  Thread T5 (tid=4654358, running) created by main thread at:
    #0 pthread_create <null>:6892304 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x2a9cd)
    #1 isc_thread_create thread.c:75 (libisc.1503.dylib:x86_64+0x46d1c)
    #2 main main.c:902 (named:x86_64+0x10000ad16)

SUMMARY: ThreadSanitizer: data race adb.c:2790 in dns_adb_detach