=== KEYDB BUG REPORT START: Cut & paste starting from here ===
9775:9793:M 15 May 2020 14:37:37.255 # === ASSERTION FAILED ===
9775:9793:M 15 May 2020 14:37:37.255 # ==> networking.cpp:255 'c->conn == nullptr || c->lock.fOwnLock()' is not true
9775:9793:M 15 May 2020 14:37:37.255 # (forcing SIGSEGV to print the bug report.)
9775:9793:M 15 May 2020 14:37:37.255 # KeyDB 0.0.0 crashed by signal: 11
9775:9793:M 15 May 2020 14:37:37.255 # Crashed running the instruction at: 0x55f4b5953b7e
9775:9793:M 15 May 2020 14:37:37.255 # Accessing address: 0xffffffffffffffff
9775:9793:M 15 May 2020 14:37:37.255 # Failed assertion: c->conn == nullptr || c->lock.fOwnLock() (networking.cpp:255)

------ STACK TRACE ------
EIP:
./keydb-server-3543a3c 127.0.0.1:8000(_serverAssert+0x7e) [0x55f4b5953b7e]

Backtrace:
./keydb-server-3543a3c 127.0.0.1:8000(logStackTrace(ucontext_t*)+0x6b) [0x55f4b59553db]
./keydb-server-3543a3c 127.0.0.1:8000(sigsegvHandler(int, siginfo_t*, void*)+0xc9) [0x55f4b5955b79]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x12890) [0x7f5ddf07d890]
./keydb-server-3543a3c 127.0.0.1:8000(_serverAssert+0x7e) [0x55f4b5953b7e]
./keydb-server-3543a3c 127.0.0.1:8000(prepareClientToWrite(client*, bool)+0x184) [0x55f4b5910644]
./keydb-server-3543a3c 127.0.0.1:8000(addReplyProtoCore(client*, char const*, unsigned long, bool)+0x1d) [0x55f4b5910acd]
./keydb-server-3543a3c 127.0.0.1:8000(addReplyLongLongWithPrefixCore(client*, long long, char, bool)+0x77) [0x55f4b5912157]
./keydb-server-3543a3c 127.0.0.1:8000(sendTrackingMessage(client*, char const*, unsigned long, int)+0x5c) [0x55f4b59ae67c]
./keydb-server-3543a3c 127.0.0.1:8000(trackingInvalidateKey(redisObject*)+0x11b) [0x55f4b59ae94b]
./keydb-server-3543a3c 127.0.0.1:8000(setGenericCommand(client*, int, redisObject*, redisObject*, redisObject*, int, redisObject*, redisObject*)+0xd1) [0x55f4b5937cf1]
./keydb-server-3543a3c 127.0.0.1:8000(setCommand(client*)+0x131) [0x55f4b5937f71]
./keydb-server-3543a3c 127.0.0.1:8000(call(client*, int)+0xd1) [0x55f4b58fd851]
./keydb-server-3543a3c 127.0.0.1:8000(processCommand(client*, int)+0x5bb) [0x55f4b5901bab]
./keydb-server-3543a3c 127.0.0.1:8000(processCommandAndResetClient(client*, int)+0x21) [0x55f4b590c951]
./keydb-server-3543a3c 127.0.0.1:8000(processInputBuffer(client*, int)+0x17b) [0x55f4b5911d5b]
./keydb-server-3543a3c 127.0.0.1:8000(readQueryFromClient(connection*)+0x438) [0x55f4b5914e58]
./keydb-server-3543a3c 127.0.0.1:8000(+0x105337) [0x55f4b59b0337]
./keydb-server-3543a3c 127.0.0.1:8000(ProcessEventCore+0x124) [0x55f4b58f5b04]
./keydb-server-3543a3c 127.0.0.1:8000(aeProcessEvents+0x18d) [0x55f4b58f5ddd]
./keydb-server-3543a3c 127.0.0.1:8000(aeMain+0x45) [0x55f4b58f6215]
./keydb-server-3543a3c 127.0.0.1:8000(workerThreadMain(void*)+0x97) [0x55f4b58fa8a7]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x76db) [0x7f5ddf0726db]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x3f) [0x7f5dded9b88f]

------ INFO OUTPUT ------
# Server
redis_version:0.0.0
redis_git_sha1:3543a3c7
redis_git_dirty:0
redis_build_id:8b3bddc340b133ce
redis_mode:standalone
os:Linux 4.15.0-20-generic x86_64
arch_bits:64
multiplexing_api:epoll
atomicvar_api:atomic-builtin
gcc_version:7.3.0
process_id:9775
run_id:2894ed20181beb20081a8f9efbe17907af0c3dc1
tcp_port:8000
uptime_in_seconds:63
uptime_in_days:0
hz:10
configured_hz:10
lru_clock:12509553
executable:/home/paas/Kajan/VerificationSpreadSheet/./keydb-server-3543a3c
config_file:/home/paas/Kajan/VerificationSpreadSheet/./keydb.conf

# Clients
connected_clients:2
client_recent_max_input_buffer:2
client_recent_max_output_buffer:0
blocked_clients:0
tracking_clients:1
clients_in_timeout_table:0
current_client_thread:0
thread_0_clients:2

# Memory
used_memory:9151608
used_memory_human:8.73M
used_memory_rss:20258816
used_memory_rss_human:19.32M
used_memory_peak:9151608
used_memory_peak_human:8.73M
used_memory_peak_perc:100.02%
used_memory_overhead:9136056
used_memory_startup:9066808
used_memory_dataset:15552
used_memory_dataset_perc:18.34%
allocator_allocated:9540360
allocator_active:10084352
allocator_resident:16535552
total_system_memory:405355134976
total_system_memory_human:377.52G
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:107374182400
maxmemory_human:100.00G
maxmemory_policy:noeviction
allocator_frag_ratio:1.06
allocator_frag_bytes:543992
allocator_rss_ratio:1.64
allocator_rss_bytes:6451200
rss_overhead_ratio:1.23
rss_overhead_bytes:3723264
mem_fragmentation_ratio:2.22
mem_fragmentation_bytes:11149776
mem_not_counted_for_evict:0
mem_replication_backlog:0
mem_clients_slaves:0
mem_clients_normal:67112
mem_aof_buffer:0
mem_allocator:jemalloc-5.1.0
active_defrag_running:0
lazyfree_pending_objects:0

# Persistence
loading:0
rdb_changes_since_last_save:1
rdb_bgsave_in_progress:0
rdb_last_save_time:1589567794
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:-1
rdb_current_bgsave_time_sec:-1
rdb_last_cow_size:0
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:3
total_commands_processed:4
instantaneous_ops_per_sec:0
total_net_input_bytes:96
total_net_output_bytes:287
instantaneous_input_kbps:0.00
instantaneous_output_kbps:0.00
rejected_connections:0
sync_full:0
sync_partial_ok:0
sync_partial_err:0
expired_keys:0
expired_stale_perc:0.00
expired_time_cap_reached_count:0
expire_cycle_cpu_milliseconds:0
evicted_keys:0
keyspace_hits:1
keyspace_misses:0
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:0
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:1
tracking_total_items:1
unexpected_error_replies:0

# Replication
role:master
connected_slaves:0
master_replid:914cb106633d05945fbd4059744bc53535a09544
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
master_repl_meaningful_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:53687091200
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0

# CPU
used_cpu_sys:0.014585
used_cpu_user:0.024308
used_cpu_sys_children:0.000000
used_cpu_user_children:0.000000
server_threads:1
long_lock_waits:0

# Modules

# Commandstats
cmdstat_hello:calls=1,usec=5,usec_per_call=5.00
cmdstat_client:calls=1,usec=14,usec_per_call=14.00
cmdstat_set:calls=1,usec=11,usec_per_call=11.00
cmdstat_get:calls=1,usec=4,usec_per_call=4.00

# Cluster
cluster_enabled:0

# Keyspace
db0:keys=1,expires=0,avg_ttl=0

------ CLIENT LIST OUTPUT ------
id=4 addr=127.0.0.1:49258 fd=85 name= age=44 idle=7 flags=t db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=get user=default
id=5 addr=127.0.0.1:49292 fd=86 name= age=35 idle=0 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=14 qbuf-free=32754 obl=0 oll=0 omem=0 events=r cmd=set user=default

------ CURRENT CLIENT INFO ------
id=5 addr=127.0.0.1:49292 fd=86 name= age=35 idle=0 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=14 qbuf-free=32754 obl=0 oll=0 omem=0 events=r cmd=set user=default
argv[0]: 'set'
argv[1]: 'foo'
argv[2]: 'bar2'
9775:9793:M 15 May 2020 14:37:37.256 # key 'foo' found in DB containing the following object:
9775:9793:M 15 May 2020 14:37:37.256 # Object type: 0
9775:9793:M 15 May 2020 14:37:37.256 # Object encoding: 8
9775:9793:M 15 May 2020 14:37:37.256 # Object refcount: 2
9775:9793:M 15 May 2020 14:37:37.256 # Object raw string len: 4
9775:9793:M 15 May 2020 14:37:37.256 # Object raw string content: "bar2"

------ REGISTERS ------
9775:9793:M 15 May 2020 14:37:37.256 #
RAX:0000000000000000 RBX:00000000000000ff
RCX:0000000000000b40 RDX:0000000000000000
RDI:00007f5ddf066760 RSI:00007f5ddf0678c0
RBP:000055f4b5a501a8 RSP:00007f5dd51fba80
R8 :00007f5ddf0678c0 R9 :00007f5dd51fe700
R10:00000000ffffffd6 R11:0000000000000000
R12:000055f4b5a50ce0 R13:0000000000000004
R14:000055f4b5a6cc74 R15:0000000000000000
RIP:000055f4b5953b7e EFL:0000000000010202
CSGSFS:002b000000000033
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba8f) -> 000055f4b5912157
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba8e) -> 0000000000000000
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba8d) -> 00007f5dd51fbb00
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba8c) -> 00007f5dd44075c0
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba8b) -> 0000000000000000
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba8a) -> 0000000000000000
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba89) -> 000055f4b5910acd
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba88) -> 00007f5dd51fbb00
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba87) -> 00007f5dd44075c0
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba86) -> 0000000000000000
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba85) -> 000000000000b000
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba84) -> 0000000100000000
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba83) -> 000055f4b5910644
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba82) -> fffffffffffffbe8
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba81) -> 0000000000000000
9775:9793:M 15 May 2020 14:37:37.256 # (00007f5dd51fba80) -> 00007f5dd44075c0

------ MODULES INFO OUTPUT ------

------ FAST MEMORY TEST ------
9775:9793:M 15 May 2020 14:37:37.256 # Bio thread for job type #0 terminated
9775:9793:M 15 May 2020 14:37:37.256 # Bio thread for job type #1 terminated
9775:9793:M 15 May 2020 14:37:37.256 # Bio thread for job type #2 terminated
*** Preparing to test memory region 55f4b5cba000 (2260992 bytes)
*** Preparing to test memory region 55f4b76f3000 (471040 bytes)
*** Preparing to test memory region 7f5dc8000000 (135168 bytes)
*** Preparing to test memory region 7f5dcf800000 (8388608 bytes)
*** Preparing to test memory region 7f5dd0000000 (135168 bytes)
*** Preparing to test memory region 7f5dd4400000 (4194304 bytes)
*** Preparing to test memory region 7f5dd49ff000 (8388608 bytes)
*** Preparing to test memory region 7f5dd5200000 (8388608 bytes)
*** Preparing to test memory region 7f5dd5a00000 (6291456 bytes)
*** Preparing to test memory region 7f5dd60b5000 (8388608 bytes)
*** Preparing to test memory region 7f5dd68b6000 (8388608 bytes)
*** Preparing to test memory region 7f5dd72be000 (8388608 bytes)
*** Preparing to test memory region 7f5dd7cca000 (24576 bytes)
*** Preparing to test memory region 7f5dd7ee8000 (8192 bytes)
*** Preparing to test memory region 7f5dd8300000 (17825792 bytes)
*** Preparing to test memory region 7f5dd9807000 (188416 bytes)
*** Preparing to test memory region 7f5dd9b3d000 (4096 bytes)
*** Preparing to test memory region 7f5dd9d87000 (4096 bytes)
*** Preparing to test memory region 7f5dda813000 (4096 bytes)
*** Preparing to test memory region 7f5ddad42000 (4096 bytes)
*** Preparing to test memory region 7f5ddb691000 (4096 bytes)
*** Preparing to test memory region 7f5ddbd07000 (8192 bytes)
*** Preparing to test memory region 7f5ddc349000 (4096 bytes)
*** Preparing to test memory region 7f5ddd06f000 (4096 bytes)
*** Preparing to test memory region 7f5ddda69000 (8192 bytes)
*** Preparing to test memory region 7f5dde17e000 (12288 bytes)
*** Preparing to test memory region 7f5ddf067000 (16384 bytes)
*** Preparing to test memory region 7f5ddf286000 (16384 bytes)
*** Preparing to test memory region 7f5ddfbca000 (16384 bytes)
*** Preparing to test memory region 7f5de0661000 (114688 bytes)
*** Preparing to test memory region 7f5de0689000 (4096 bytes)
.O.O.O.O.O.O.Segmentation fault (core dumped)