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  • #1366
Closed
Open
Issue created Nov 18, 2019 by Ondřej Surý@ondrejOwner

ThreadSanitizer: data race adb.c:4759 in dns_adb_beginudpfetch

Binary: named Commit: c5b6f215 Tests: fetchlimit

WARNING: ThreadSanitizer: data race (pid=75704)
  Write of size 4 at 0x7b4400029f70 by thread T6 (mutexes: write M533812620407384976):
    #0 dns_adb_beginudpfetch adb.c:4759 (libdns.1503.dylib:x86_64+0x14b1b)
    #1 fctx_query resolver.c:2140 (libdns.1503.dylib:x86_64+0x139ffb)
    #2 fctx_try resolver.c:4129 (libdns.1503.dylib:x86_64+0x136b61)
    #3 fctx_start resolver.c:4647 (libdns.1503.dylib:x86_64+0x12f383)
    #4 run task.c:1134 (libisc.1503.dylib:x86_64+0x2c9e1)

  Previous read of size 4 at 0x7b4400029f70 by thread T7:
    #0 dns_adbentry_overquota adb.c:4746 (libdns.1503.dylib:x86_64+0x14a22)
    #1 fctx_try resolver.c:4039 (libdns.1503.dylib:x86_64+0x136a47)
    #2 fctx_start resolver.c:4647 (libdns.1503.dylib:x86_64+0x12f383)
    #3 run task.c:1134 (libisc.1503.dylib:x86_64+0x2c9e1)

  Location is heap block of size 281 at 0x7b4400029f40 allocated by thread T5:
    #0 malloc <null>:6890480 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e65a)
    #1 default_memalloc mem.c:685 (libisc.1503.dylib:x86_64+0x17ae1)
    #2 import_rdataset adb.c:931 (libdns.1503.dylib:x86_64+0x172ea)
    #3 dbfind_name adb.c:3678 (libdns.1503.dylib:x86_64+0xdb62)
    #4 dns_adb_createfind adb.c:3043 (libdns.1503.dylib:x86_64+0xc0d9)
    #5 findname resolver.c:3371 (libdns.1503.dylib:x86_64+0x13ae8b)
    #6 fctx_try resolver.c:3660 (libdns.1503.dylib:x86_64+0x136402)
    #7 fctx_start resolver.c:4647 (libdns.1503.dylib:x86_64+0x12f383)
    #8 run task.c:1134 (libisc.1503.dylib:x86_64+0x2c9e1)

  Mutex M533812620407384976 is already destroyed.

  Thread T6 (tid=4791627, running) created by main thread at:
    #0 pthread_create <null>:6890528 (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=4791628, running) created by main thread at:
    #0 pthread_create <null>:6890528 (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=4791626, running) created by main thread at:
    #0 pthread_create <null>:6890432 (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:4759 in dns_adb_beginudpfetch
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