ThreadSanitizer: data race dispatch.c:1050 in udp_recv
- Binary: named
- Commit: c5b6f215
- Tests: addzone, catz
WARNING: ThreadSanitizer: data race (pid=53753)
Read of size 4 at 0x7b540000ffd8 by thread T7 (mutexes: write M939699158867070400):
#0 udp_recv dispatch.c:1050 (libdns.1503.dylib:x86_64+0x3ce2e)
#1 udp_exrecv dispatch.c:997 (libdns.1503.dylib:x86_64+0x3c26c)
#2 run task.c:1134 (libisc.1503.dylib:x86_64+0x2c9e1)
Previous write of size 4 at 0x7b540000ffd8 by thread T6 (mutexes: write M16461235256109504, write M457532437862350744):
#0 allocate_udp_buffer dispatch.c:919 (libdns.1503.dylib:x86_64+0x3af73)
#1 startrecv dispatch.c:1520 (libdns.1503.dylib:x86_64+0x38967)
#2 dns_dispatch_addresponse dispatch.c:3164 (libdns.1503.dylib:x86_64+0x37915)
#3 resquery_send resolver.c:2411 (libdns.1503.dylib:x86_64+0x13ca9a)
#4 fctx_query resolver.c:2142 (libdns.1503.dylib:x86_64+0x13a003)
#5 fctx_try resolver.c:4129 (libdns.1503.dylib:x86_64+0x136b61)
#6 process_sendevent resolver.c:1810 (libdns.1503.dylib:x86_64+0x14c16b)
#7 resquery_udpconnected resolver.c:1831 (libdns.1503.dylib:x86_64+0x143db2)
#8 run task.c:1134 (libisc.1503.dylib:x86_64+0x2c9e1)
Location is heap block of size 625 at 0x7b540000ff00 allocated by thread T5:
#0 malloc <null>:7952800 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e65a)
#1 default_memalloc mem.c:685 (libisc.1503.dylib:x86_64+0x17ae1)
#2 run_server server.c:9588 (named:x86_64+0x10000db5a)
#3 run task.c:1134 (libisc.1503.dylib:x86_64+0x2c9e1)
Mutex M939699158867070400 is already destroyed.
Mutex M16461235256109504 is already destroyed.
Mutex M457532437862350744 is already destroyed.
Thread T7 (tid=4701672, running) created by main thread at:
#0 pthread_create <null>:7952848 (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 T6 (tid=4701671, running) created by main thread at:
#0 pthread_create <null>:7952848 (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=4701670, running) created by main thread at:
#0 pthread_create <null>:7952752 (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:1050 in udp_recv
