=== REDIS BUG REPORT START: Cut & paste starting from here ===
1568:M 22 May 2021 13:29:59.793 # Redis 6.2.1 crashed by signal: 11, si_code: 2
1568:M 22 May 2021 13:29:59.793 # Accessing address: 0x7f88a5ab6200
1568:M 22 May 2021 13:29:59.793 # Killed by PID: -1515494912, UID: 32648
1568:M 22 May 2021 13:29:59.793 # Crashed running the instruction at: 0x7f88a5ab6200
------ STACK TRACE ------
EIP:
/lib64/libc.so.6(+0x15a200)[0x7f88a5ab6200]
Backtrace:
/lib64/libpthread.so.0(+0x12b20)[0x7f88a5d31b20]
/lib64/libc.so.6(+0x15a200)[0x7f88a5ab6200]
/www/server/redis/src/redis-server 127.0.0.1:6569(processCommand+0x2e)[0x4392ee]
/www/server/redis/src/redis-server 127.0.0.1:6569(processCommandAndResetClient+0x10)[0x44d050]
/www/server/redis/src/redis-server 127.0.0.1:6569(processInputBuffer+0xda)[0x44f4aa]
/www/server/redis/src/redis-server 127.0.0.1:6569[0x4d7258]
/www/server/redis/src/redis-server 127.0.0.1:6569(aeProcessEvents+0x299)[0x431ec9]
/www/server/redis/src/redis-server 127.0.0.1:6569(aeMain+0x1d)[0x43212d]
/www/server/redis/src/redis-server 127.0.0.1:6569(main+0x47f)[0x42ebaf]
/lib64/libc.so.6(__libc_start_main+0xf3)[0x7f88a597f7b3]
/www/server/redis/src/redis-server 127.0.0.1:6569(_start+0x2e)[0x42ee5e]
------ REGISTERS ------
1568:M 22 May 2021 13:29:59.794 #
RAX:00007f88a1287e00 RBX:00007f88a08c6580
RCX:00007f8880000000 RDX:000000000000003a
RDI:00007f88a1287e13 RSI:000000000056c32d
RBP:00007f88a1287e13 RSP:00007ffdcf3473d8
R8 :0000000000000028 R9 :0000000000000040
R10:1999999999999999 R11:00007f88a68e27d8
R12:0000000000000000 R13:000000000000000a
R14:0000000000000000 R15:0000000000000001
RIP:00007f88a5ab6200 EFL:0000000000010246
CSGSFS:002b000000000033
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e7) -> 00007f88a1da0300
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e6) -> 000000000044f4aa
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e5) -> 00007f88a08c6580
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e4) -> 000000000044d050
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e3) -> 0000000000000001
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e2) -> 0000000000000000
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e1) -> 000000000000000a
------ REGISTERS ------
1568:M 22 May 2021 13:29:59.794 #
RAX:00007f88a1287e00 RBX:00007f88a08c6580
RCX:00007f8880000000 RDX:000000000000003a
RDI:00007f88a1287e13 RSI:000000000056c32d
RBP:00007f88a1287e13 RSP:00007ffdcf3473d8
R8 :0000000000000028 R9 :0000000000000040
R10:1999999999999999 R11:00007f88a68e27d8
R12:0000000000000000 R13:000000000000000a
R14:0000000000000000 R15:0000000000000001
RIP:00007f88a5ab6200 EFL:0000000000010246
CSGSFS:002b000000000033
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e7) -> 00007f88a1da0300
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e6) -> 000000000044f4aa
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e5) -> 00007f88a08c6580
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e4) -> 000000000044d050
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e3) -> 0000000000000001
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e2) -> 0000000000000000
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e1) -> 000000000000000a
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473e0) -> 0000000000000000
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473df) -> 0000000000000000
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473de) -> 00007f88a08c6580
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473dd) -> 0000000000000000
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473dc) -> 00007f88a01d8b3a
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473db) -> 00007f88a1da0300
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473da) -> 000000000044eea6
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473d9) -> 0000000000000002
1568:M 22 May 2021 13:29:59.794 # (00007ffdcf3473d8) -> 00000000004392ee
------ INFO OUTPUT ------
# Server
redis_version:6.2.1
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:ecb0914182a9d599
redis_mode:standalone
os:Linux 4.18.0-193.28.1.el8_2.x86_64 x86_64
arch_bits:64
multiplexing_api:epoll
atomicvar_api:c11-builtin
gcc_version:8.3.1
process_id:1568
process_supervised:no
run_id:0a18317a4a1532b97c44beec6a3d51a5bd5830a1
tcp_port:6569
server_time_usec:1621661399793384
uptime_in_seconds:271685
uptime_in_days:3
hz:10
configured_hz:10
lru_clock:11048663
executable:/www/server/redis/src/redis-server
config_file:/www/server/redis/redis.conf
io_threads_active:0
# Clients
connected_clients:4
cluster_connections:0
maxclients:10000
client_recent_max_input_buffer:48
client_recent_max_output_buffer:0
blocked_clients:0
tracking_clients:0
clients_in_timeout_table:0
# Memory
used_memory:39999632
used_memory_human:38.15M
used_memory_rss:51531776
used_memory_rss_human:49.14M
used_memory_peak:50902600
used_memory_peak_human:48.54M
used_memory_peak_perc:78.58%
used_memory_overhead:6325456
used_memory_startup:809944
used_memory_dataset:33674176
used_memory_dataset_perc:85.93%
allocator_allocated:40033208
allocator_active:41029632
allocator_resident:44982272
total_system_memory:67277574144
total_system_memory_human:62.66G
used_memory_lua:37888
used_memory_lua_human:37.00K
used_memory_scripts:0
used_memory_scripts_human:0B
number_of_cached_scripts:0
maxmemory:0
maxmemory_human:0B
maxmemory_policy:noeviction
allocator_frag_ratio:1.02
allocator_frag_bytes:996424
allocator_rss_ratio:1.10
allocator_rss_bytes:3952640
rss_overhead_ratio:1.15
rss_overhead_bytes:6549504
mem_fragmentation_ratio:1.29
mem_fragmentation_bytes:11538616
mem_not_counted_for_evict:0
mem_replication_backlog:0
mem_clients_slaves:0
mem_clients_normal:82048
mem_aof_buffer:0
mem_allocator:jemalloc-5.1.0
active_defrag_running:0
lazyfree_pending_objects:0
lazyfreed_objects:0
# Persistence
loading:0
current_cow_size:0
current_fork_perc:0.00%
current_save_keys_processed:0
current_save_keys_total:0
rdb_changes_since_last_save:257652
rdb_bgsave_in_progress:0
rdb_last_save_time:1621661361
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:0
rdb_current_bgsave_time_sec:-1
rdb_last_cow_size:9207808
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
aof_last_cow_size:0
module_fork_in_progress:0
module_fork_last_cow_size:0
# Stats
total_connections_received:33
total_commands_processed:16584131964
instantaneous_ops_per_sec:130943
total_net_input_bytes:1750971263843
total_net_output_bytes:4867758670484
instantaneous_input_kbps:12472.18
instantaneous_output_kbps:5005.09
rejected_connections:0
sync_full:0
sync_partial_ok:0
sync_partial_err:0
expired_keys:627575
expired_stale_perc:0.00
expired_time_cap_reached_count:0
expire_cycle_cpu_milliseconds:12691
evicted_keys:0
keyspace_hits:3628477982
keyspace_misses:3077427151
pubsub_channels:0
pubsub_patterns:3
latest_fork_usec:2036
total_forks:4388
migrate_cached_sockets:0
slave_expires_tracked_keys:0
active_defrag_hits:0
active_defrag_misses:0
active_defrag_key_hits:0
active_defrag_key_misses:0
tracking_total_keys:0
tracking_total_items:0
tracking_total_prefixes:0
unexpected_error_replies:0
total_error_replies:0
dump_payload_sanitizations:0
total_reads_processed:5307055595
total_writes_processed:5309129872
io_threaded_reads_processed:0
io_threaded_writes_processed:0
# Replication
role:master
connected_slaves:0
master_failover_state:no-failover
master_replid:69b6f46a3e92ffe76a1e14a91e8dbc60e63014ef
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0
# CPU
used_cpu_sys:58691.294602
used_cpu_user:28354.451446
used_cpu_sys_children:83.203099
used_cpu_user_children:1082.557107
used_cpu_sys_main_thread:58686.231479
used_cpu_user_main_thread:28353.492568
# Modules
# Commandstats
cmdstat_publish:calls=822377,usec=3477225,usec_per_call=4.23,rejected_calls=0,failed_calls=0
cmdstat_lset:calls=8315,usec=31391,usec_per_call=3.78,rejected_calls=0,failed_calls=0
cmdstat_select:calls=5,usec=2,usec_per_call=0.40,rejected_calls=0,failed_calls=0
cmdstat_dbsize:calls=1,usec=0,usec_per_call=0.00,rejected_calls=0,failed_calls=0
cmdstat_punsubscribe:calls=4,usec=90,usec_per_call=22.50,rejected_calls=0,failed_calls=0
cmdstat_get:calls=3251903185,usec=2844228331,usec_per_call=0.87,rejected_calls=0,failed_calls=0
cmdstat_setnx:calls=7721273847,usec=5207577967,usec_per_call=0.67,rejected_calls=0,failed_calls=0
cmdstat_exists:calls=2814967350,usec=3095864336,usec_per_call=1.10,rejected_calls=0,failed_calls=0
cmdstat_del:calls=282363606,usec=376804471,usec_per_call=1.33,rejected_calls=0,failed_calls=0
cmdstat_rpush:calls=137402,usec=847946,usec_per_call=6.17,rejected_calls=0,failed_calls=0
cmdstat_psubscribe:calls=5,usec=111,usec_per_call=22.20,rejected_calls=0,failed_calls=0
cmdstat_llen:calls=30326,usec=38589,usec_per_call=1.27,rejected_calls=0,failed_calls=0
cmdstat_set:calls=1138123005,usec=2204937824,usec_per_call=1.94,rejected_calls=0,failed_calls=0
cmdstat_keys:calls=5,usec=125852,usec_per_call=25170.40,rejected_calls=0,failed_calls=0
cmdstat_lindex:calls=281691928,usec=552834721,usec_per_call=1.96,rejected_calls=0,failed_calls=0
cmdstat_lrange:calls=357312344,usec=2334980667,usec_per_call=6.53,rejected_calls=0,failed_calls=0
cmdstat_setex:calls=453204351,usec=1288431857,usec_per_call=2.84,rejected_calls=0,failed_calls=0
cmdstat_expire:calls=976,usec=2039,usec_per_call=2.09,rejected_calls=0,failed_calls=0
cmdstat_pexpire:calls=282292932,usec=326594019,usec_per_call=1.16,rejected_calls=0,failed_calls=0
# Errorstats
# Cluster
cluster_enabled:0
# Keyspace
db0:keys=106973,expires=3050,avg_ttl=1922262
------ CLIENT LIST OUTPUT ------
id=3 addr=127.0.0.1:43164 laddr=127.0.0.1:6569 fd=7 name= age=270183 idle=1954 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 argv-mem=0 obl=0 oll=0 omem=0 tot-mem=20504 events=r cmd=get user=default redir=-1
id=33 addr=127.0.0.1:55300 laddr=127.0.0.1:6569 fd=8 name= age=67821 idle=0 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=40954 argv-mem=0 obl=0 oll=0 omem=0 tot-mem=61464 events=r cmd=setnx user=default redir=-1
id=34 addr=127.0.0.1:55302 laddr=127.0.0.1:6569 fd=9 name= age=67821 idle=3 flags=P db=0 sub=0 psub=3 multi=-1 qbuf=0 qbuf-free=0 argv-mem=0 obl=0 oll=0 omem=0 tot-mem=20520 events=r cmd=psubscribe user=default redir=-1
id=35 addr=127.0.0.1:55438 laddr=127.0.0.1:6569 fd=10 name= age=67800 idle=0 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=403 qbuf-free=40551 argv-mem=77 obl=0 oll=0 omem=0 tot-mem=61541 events=r cmd=setnx user=default redir=-1
------ CURRENT CLIENT INFO ------
id=35 addr=127.0.0.1:55438 laddr=127.0.0.1:6569 fd=10 name= age=67800 idle=0 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=403 qbuf-free=40551 argv-mem=77 obl=0 oll=0 omem=0 tot-mem=61541 events=r cmd=setnx user=default redir=-1
argv[0]: 'SETNX'
argv[1]: 'kh_while_is_over_byRobotId_1402'
argv[2]: '-----机器人后台程序-----pool--1782'
1568:M 22 May 2021 13:29:59.794 # key 'kh_while_is_over_byRobotId_1402' found in DB containing the following object:
1568:M 22 May 2021 13:29:59.794 # Object type: 0
1568:M 22 May 2021 13:29:59.794 # Object encoding: 8
1568:M 22 May 2021 13:29:59.794 # Object refcount: 1
------ MODULES INFO OUTPUT ------
------ FAST MEMORY TEST ------
1568:M 22 May 2021 13:29:59.794 # Bio thread for job type #0 terminated
1568:M 22 May 2021 13:29:59.794 # Bio thread for job type #1 terminated
1568:M 22 May 2021 13:29:59.794 # Bio thread for job type #2 terminated
*** Preparing to test memory region 7e1000 (2277376 bytes)
*** Preparing to test memory region 1b95000 (135168 bytes)
*** Preparing to test memory region 7f889e284000 (78643200 bytes)
*** Preparing to test memory region 7f88a2d85000 (8388608 bytes)
*** Preparing to test memory region 7f88a3586000 (8388608 bytes)
*** Preparing to test memory region 7f88a3d87000 (8388608 bytes)
*** Preparing to test memory region 7f88a4588000 (8388608 bytes)
*** Preparing to test memory region 7f88a5000000 (8388608 bytes)
*** Preparing to test memory region 7f88a5d1b000 (16384 bytes)
*** Preparing to test memory region 7f88a5f3b000 (16384 bytes)
*** Preparing to test memory region 7f88a68e2000 (32768 bytes)
*** Preparing to test memory region 7f88a68f7000 (4096 bytes)
.O.O.O.O.O.O.O.O.O.O.O.O
Fast memory test PASSED, however your memory can still be broken. Please run a memory test for several hours if possible.
------ DUMPING CODE AROUND EIP ------
Symbol: (null) (base: (nil))
Module: /lib64/libc.so.6 (base 0x7f88a595c000)
$ xxd -r -p /tmp/dump.hex /tmp/dump.bin
$ objdump --adjust-vma=(nil) -D -b binary -m i386:x86-64 /tmp/dump.bin
------
Comment From: oranagra
@syd505 do you happen to know which command or pattern triggered this crash? can you please upload the redis executable you used when this happened.
Comment From: taoseng
m