Bug Report : Redis crashes intermittently - EXCEPTION_INT_DIVIDE_BY_ZERO

[212588083]

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. ===