Major Description
WARNING: ThreadSanitizer: data race (pid=24573)
Read of size 8 at 0x7d080000efc0 by thread T2:
#0 pwrite <null>:0 (bcache_test+0x000000065100)
#1 _filemgr_linux_pwrite(int, void*, unsigned long, long) /root/work/watson/forestdb/src/filemgr_ops_linux.cc:50 (bcache_test+0x0000000ce1df)
#2 filemgr_write_blocks /root/work/watson/forestdb/src/filemgr.cc:352 (bcache_test+0x0000000c35a3)
#3 _flush_dirty_blocks(fnamedic_item*, bool, bool, bool) /root/work/watson/forestdb/src/blockcache.cc:585 (bcache_test+0x0000000c05d5)
#4 _bcache_evict(fnamedic_item*) /root/work/watson/forestdb/src/blockcache.cc:712 (bcache_test+0x0000000bf0a8)
#5 worker(void*) /root/work/watson/forestdb/tests/unit/bcache_test.cc:144 (bcache_test+0x0000000bbf31)
Previous write of size 8 at 0x7d080000efc0 by thread T1 (mutexes: write M247):
#0 memcpy <null>:0 (bcache_test+0x000000055950)
#1 bcache_write /root/work/watson/forestdb/src/blockcache.cc:1159 (bcache_test+0x0000000bf4c3)
#2 worker(void*) /root/work/watson/forestdb/tests/unit/bcache_test.cc:163 (bcache_test+0x0000000bc025)
Location is heap block of size 32 at 0x7d080000efc0 allocated by main thread:
#0 malloc <null>:0 (bcache_test+0x0000000540ad)
#1 bcache_init /root/work/watson/forestdb/src/blockcache.cc:1417 (bcache_test+0x0000000c14d2)
#2 filemgr_init /root/work/watson/forestdb/src/filemgr.cc:231 (bcache_test+0x0000000c3275)
#3 filemgr_open /root/work/watson/forestdb/src/filemgr.cc:731 (bcache_test+0x0000000c3bcc)
#4 multi_thread_test(int, int, int, int, int, int) /root/work/watson/forestdb/tests/unit/bcache_test.cc:214 (bcache_test+0x0000000bc303)
#5 main /root/work/watson/forestdb/tests/unit/bcache_test.cc:252 (bcache_test+0x0000000bc594)
Mutex M247 (0x7d6400018250) created at:
#0 pthread_spin_init <null>:0 (bcache_test+0x0000000598e0)
#1 _fname_create(filemgr*) /root/work/watson/forestdb/src/blockcache.cc:807 (bcache_test+0x0000000bf7b9)
#2 bcache_write /root/work/watson/forestdb/src/blockcache.cc:1062 (bcache_test+0x0000000bedc6)
#3 multi_thread_test(int, int, int, int, int, int) /root/work/watson/forestdb/tests/unit/bcache_test.cc:223 (bcache_test+0x0000000bc3a0)
#4 main /root/work/watson/forestdb/tests/unit/bcache_test.cc:252 (bcache_test+0x0000000bc594)
Thread T2 (tid=24582, running) created by main thread at:
#0 pthread_create <null>:0 (bcache_test+0x000000057dc1)
#1 multi_thread_test(int, int, int, int, int, int) /root/work/watson/forestdb/tests/unit/bcache_test.cc:232 (bcache_test+0x0000000bc480)
#2 main /root/work/watson/forestdb/tests/unit/bcache_test.cc:252 (bcache_test+0x0000000bc594)
Thread T1 (tid=24581, running) created by main thread at:
#0 pthread_create <null>:0 (bcache_test+0x000000057dc1)
#1 multi_thread_test(int, int, int, int, int, int) /root/work/watson/forestdb/tests/unit/bcache_test.cc:232 (bcache_test+0x0000000bc480)
#2 main /root/work/watson/forestdb/tests/unit/bcache_test.cc:252 (bcache_test+0x0000000bc594)
SUMMARY: ThreadSanitizer: data race ??:0 pwrite