Bug Report : Redis crashes intermittently - EXCEPTION_INT_DIVIDE_BY_ZERO #646
Description
Hi,
Redis is crashing on the server periodically with EXCEPTION_INT_DIVIDE_BY_ZERO.
=== REDIS BUG REPORT START: Cut & paste starting from here ===
[2140] 10 Oct 19:34:44.740 # Redis version: 3.0.504
[2140] 10 Oct 19:34:44.740 # --- EXCEPTION_INT_DIVIDE_BY_ZERO
[2140] 10 Oct 19:34:44.740 # --- STACK TRACE
redis-server.exe!LogStackTrace(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:95)(0x00E3E690, 0x00E3FF90, 0x00000001, 0x401248B0)
redis-server.exe!UnhandledExceptiontHandler(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x00000000, 0x00000000, 0x00000000, 0x00000001)
KERNELBASE.dll!UnhandledExceptionFilter(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x00E3EE00, 0x7ED01E08, 0x00000000, 0x40065C23)
ntdll.dll!memset(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x00E3F2F0, 0x00E3E6F0, 0x7C3B84D4, 0x00E3FAF0)
ntdll.dll!_C_specific_handler(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x00000000, 0x00E3E800, 0x00E3EE00, 0x00000000)
ntdll.dll!_chkstk(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x7C454498, 0x00E3EE00, 0xFD8F2500, 0x7D9F1137)
ntdll.dll!RtlImageNtHeaderEx(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x00000000, 0x00000000, 0x00E3F4E0, 0x00000000)
ntdll.dll!KiUserExceptionDispatcher(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x00008301, 0x02C07068, 0x00000000, 0x00E3F4E0)
redis-server.exe!rioFileWrite(c:\release\redis\src\rio.c:118)(0x00000009, 0x00E3F4E0, 0x00000009, 0x00000006)
redis-server.exe!rdbSaveRio(c:\release\redis\src\rdb.c:673)(0x40150210, 0x02CE8000, 0x0000000E, 0x02C07068)
redis-server.exe!rdbSave(c:\release\redis\src\rdb.c:758)(0x025C5190, 0x00000007, 0x02CE8000, 0x400AB79F)
redis-server.exe!saveCommand(c:\release\redis\src\rdb.c:1583)(0x00000000, 0xEF2BF499, 0x02C090A0, 0x4008E95C)
redis-server.exe!call(c:\release\redis\src\redis.c:2122)(0x5F824514, 0x400A5AE0, 0x00000000, 0x0000000E)
redis-server.exe!processCommand(c:\release\redis\src\redis.c:2368)(0x00000004, 0x0000000E, 0x00000000, 0x00000000)
redis-server.exe!processInputBuffer(c:\release\redis\src\networking.c:1291)(0x00000000, 0x0000000E, 0x0000000E, 0x00000000)
redis-server.exe!readQueryFromClient(c:\release\redis\src\networking.c:1344)(0x02C6F1C0, 0x00000001, 0x02C4B150, 0x000001A4)
redis-server.exe!aeMain(c:\release\redis\src\ae.c:481)(0x5F80800A, 0x02C06FA8, 0x00000002, 0x0054FE40)
redis-server.exe!redis_main(c:\release\redis\src\redis.c:3765)(0x00000000, 0x0055CFA0, 0x5F808009, 0x0055CFA0)
redis-server.exe!main(c:\release\redis\src\win32_interop\win32_qfork.cpp:1237)(0x00000016, 0xFFFFFFFF, 0x00000016, 0x00000000)
redis-server.exe!ServiceWorkerThread(c:\release\redis\src\win32_interop\win32_service.cpp:484)(0x00000000, 0x00000000, 0x00000000, 0x00000000)
KERNEL32.DLL!BaseThreadInitThunk(c:\release\redis\src\win32_interop\win32_service.cpp:484)(0x00000000, 0x00000000, 0x00000000, 0x00000000)
ntdll.dll!RtlUserThreadStart(c:\release\redis\src\win32_interop\win32_service.cpp:484)(0x00000000, 0x00000000, 0x00000000, 0x00000000)
ntdll.dll!RtlUserThreadStart(c:\release\redis\src\win32_interop\win32_service.cpp:484)(0x00000000, 0x00000000, 0x00000000, 0x00000000)
[2140] 10 Oct 19:34:44.803 # --- INFO OUTPUT
Server
redis_version:3.0.504
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:a4f7a6e86f2d60b3
redis_mode:standalone
os:Windows
arch_bits:64
multiplexing_api:WinSock_IOCP
process_id:2140
run_id:96ffee07104970b96453ef43974ec41ddea5bd03
tcp_port:6379
uptime_in_seconds:115979
uptime_in_days:1
hz:10
lru_clock:8537364
config_file:C:\Program Files\Redis\redis.windows-service.conf
Clients
connected_clients:3
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0
Memory
used_memory:734592
used_memory_human:717.38K
used_memory_rss:696840
used_memory_peak:843944
used_memory_peak_human:824.16K
used_memory_lua:36864
mem_fragmentation_ratio:0.95
mem_allocator:jemalloc-3.6.0
Persistence
loading:0
rdb_changes_since_last_save:144
rdb_bgsave_in_progress:0
rdb_last_save_time:1602256905
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:-1
rdb_current_bgsave_time_sec:-1
aof_enabled:0
aof_rewrite_in_progress:0
aof_rewrite_scheduled:0
aof_last_rewrite_time_sec:-1
aof_current_rewrite_time_sec:-1
aof_last_bgrewrite_status:ok
aof_last_write_status:ok
Stats
total_connections_received:22
total_commands_processed:7644
instantaneous_ops_per_sec:2
total_net_input_bytes:242419
total_net_output_bytes:916681
instantaneous_input_kbps:0.13
instantaneous_output_kbps:0.08
rejected_connections:0
sync_full:0
sync_partial_ok:0
sync_partial_err:0
expired_keys:2
evicted_keys:0
keyspace_hits:142
keyspace_misses:62
pubsub_channels:3
pubsub_patterns:1
latest_fork_usec:0
migrate_cached_sockets:0
Replication
role:master
connected_slaves:0
master_repl_offset:0
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0
CPU
used_cpu_sys:0.05
used_cpu_user:0.09
used_cpu_sys_children:0.00
used_cpu_user_children:0.00
Commandstats
cmdstat_get:calls=92,usec=863,usec_per_call=9.38
cmdstat_set:calls=7,usec=83,usec_per_call=11.86
cmdstat_setex:calls=13,usec=204,usec_per_call=15.69
cmdstat_del:calls=53,usec=133,usec_per_call=2.51
cmdstat_exists:calls=19,usec=51,usec_per_call=2.68
cmdstat_expire:calls=112,usec=1475,usec_per_call=13.17
cmdstat_ping:calls=3656,usec=13389,usec_per_call=3.66
cmdstat_echo:calls=4,usec=1,usec_per_call=0.25
cmdstat_flushall:calls=1,usec=18,usec_per_call=18.00
cmdstat_info:calls=3660,usec=73550,usec_per_call=20.10
cmdstat_slaveof:calls=3,usec=243,usec_per_call=81.00
cmdstat_config:calls=11,usec=2498,usec_per_call=227.09
cmdstat_subscribe:calls=5,usec=28,usec_per_call=5.60
cmdstat_psubscribe:calls=2,usec=11,usec_per_call=5.50
cmdstat_cluster:calls=2,usec=9,usec_per_call=4.50
cmdstat_client:calls=4,usec=22,usec_per_call=5.50
Cluster
cluster_enabled:0
Keyspace
db0:keys=1,expires=0,avg_ttl=0
[2140] 10 Oct 19:34:44.803 #
=== REDIS BUG REPORT END. Make sure to include from START to END. ===