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

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WARNING: ThreadSanitizer: data race (pid=17397)
  Read of size 1 at 0x7b680003d018 by thread T6:
    #0 tcp_recv dispatch.c:1339 (libdns.1503.dylib:x86_64+0x3c369)
    #1 run task.c:1134 (libisc.1503.dylib:x86_64+0x2c9e1)

  Previous write of size 1 at 0x7b680003d018 by thread T7 (mutexes: write M19048):
    #0 dns_dispatch_detach dispatch.c:2990 (libdns.1503.dylib:x86_64+0x36033)
    #1 fctx_cancelquery resolver.c:1367 (libdns.1503.dylib:x86_64+0x135499)
    #2 rctx_done resolver.c:9520 (libdns.1503.dylib:x86_64+0x1440aa)
    #3 resquery_response resolver.c (libdns.1503.dylib:x86_64+0x13ece7)
    #4 run task.c:1134 (libisc.1503.dylib:x86_64+0x2c9e1)

  Location is heap block of size 1513 at 0x7b680003cc00 allocated by thread T7:
    #0 malloc <null>:6892432 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e65a)
    #1 default_memalloc mem.c:685 (libisc.1503.dylib:x86_64+0x17ae1)
    #2 dns_dispatch_createtcp dispatch.c:2422 (libdns.1503.dylib:x86_64+0x328f7)
    #3 resquery_connected resolver.c:2932 (libdns.1503.dylib:x86_64+0x13c5de)
    #4 run task.c:1134 (libisc.1503.dylib:x86_64+0x2c9e1)

  Mutex M19048 (0x7b680003cfc0) created at:
    #0 pthread_mutex_init <null>:6892288 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x2b9a3)
    #1 isc__mutex_init mutex.c:286 (libisc.1503.dylib:x86_64+0x46c4a)
    #2 dns_dispatch_createtcp dispatch.c:2422 (libdns.1503.dylib:x86_64+0x328f7)
    #3 resquery_connected resolver.c:2932 (libdns.1503.dylib:x86_64+0x13c5de)
    #4 run task.c:1134 (libisc.1503.dylib:x86_64+0x2c9e1)

  Thread T6 (tid=4527469, running) created by main thread at:
    #0 pthread_create <null>:6892480 (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 T7 (tid=4527470, running) created by main thread at:
    #0 pthread_create <null>:6892480 (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 dispatch.c:1339 in tcp_recv
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