redis bug report about redis crash

[xiaochao]

[19877] 07 Oct 19:23:39 # === REDIS BUG REPORT START: Cut & paste starting from here ===
[19877] 07 Oct 19:23:39 # Redis 2.4.8 crashed by signal: 11
[19877] 07 Oct 19:23:39 # Failed assertion: (:0)
[19877] 07 Oct 19:23:39 # --- STACK TRACE
[19877] 07 Oct 19:23:39 # ./redis-server(dictAdd+0x142) [0x40dda2]
[19877] 07 Oct 19:23:39 # ./redis-server(dictAdd+0x142) [0x40dda2]
[19877] 07 Oct 19:23:39 # ./redis-server(dbAdd+0x2c) [0x41ab9c]
[19877] 07 Oct 19:23:39 # ./redis-server(setKey+0x72) [0x41ae92]
[19877] 07 Oct 19:23:39 # ./redis-server(setGenericCommand+0x7e) [0x41ee5e]
[19877] 07 Oct 19:23:39 # ./redis-server(call+0x34) [0x40f1f4]
[19877] 07 Oct 19:23:39 # ./redis-server(processCommand+0x210) [0x40f4e0]
[19877] 07 Oct 19:23:39 # ./redis-server(processInputBuffer+0x49) [0x417ef9]
[19877] 07 Oct 19:23:39 # ./redis-server(readQueryFromClient+0x10f) [0x4187df]
[19877] 07 Oct 19:23:39 # ./redis-server(aeProcessEvents+0x173) [0x40bf33]
[19877] 07 Oct 19:23:39 # ./redis-server(aeMain+0x2e) [0x40c14e]
[19877] 07 Oct 19:23:39 # ./redis-server(main+0xf1) [0x411171]
[19877] 07 Oct 19:23:39 # /lib64/libc.so.6(__libc_start_main+0xf4) [0x3eec81d974]
[19877] 07 Oct 19:23:39 # ./redis-server [0x40b509]
[19877] 07 Oct 19:23:39 # --- INFO OUTPUT
[19877] 07 Oct 19:23:39 # redis_version:2.4.8^M
redis_git_sha1:00000000^M
redis_git_dirty:0^M
arch_bits:64^M
multiplexing_api:epoll^M
gcc_version:4.1.2^M
process_id:19877^M
uptime_in_seconds:951833^M
uptime_in_days:11^M
lru_clock:743173^M
used_cpu_sys:1682.32^M
used_cpu_user:14026.64^M
used_cpu_sys_children:1207.81^M
used_cpu_user_children:9277.15^M
connected_clients:1^M
connected_slaves:0^M
client_longest_output_list:0^M
client_biggest_input_buf:16234^M
blocked_clients:0^M
used_memory:159147928624^M
used_memory_human:148.22G^M
used_memory_rss:127329595392^M
used_memory_peak:192743667928^M
used_memory_peak_human:179.51G^M
mem_fragmentation_ratio:0.80^M
mem_allocator:jemalloc-2.2.5^M
loading:0^M
aof_enabled:0^M
changes_since_last_save:93199964^M
bgsave_in_progress:0^M
last_save_time:1349609019^M
bgrewriteaof_in_progress:0^M
total_connections_received:54^M
total_commands_processed:2793971281^M
expired_keys:0^M
evicted_keys:0^M
keyspace_hits:4^M
keyspace_misses:18^M
pubsub_channels:0^M
pubsub_patterns:0^M
latest_fork_usec:3452476^M
vm_enabled:0^M
role:master^M
db0:keys=1095645122,expires=0^M

[19877] 07 Oct 19:23:39 # --- CLIENT LIST OUTPUT
[19877] 07 Oct 19:23:39 # addr=192.168.3.131:51394 fd=5 idle=0 flags=N db=0 sub=0 psub=0 qbuf=16234 obl=1630 oll=0 events=rw cmd=set

[19877] 07 Oct 19:23:39 # --- CURRENT CLIENT INFO
[19877] 07 Oct 19:23:39 # client: addr=192.168.3.131:51394 fd=5 idle=0 flags=N db=0 sub=0 psub=0 qbuf=16234 obl=1630 oll=0 events=rw cmd=set
[19877] 07 Oct 19:23:39 # argv[0]: 'set'
[19877] 07 Oct 19:23:39 # argv[1]: 'QWmqS0jCo2F0_B'
[19877] 07 Oct 19:23:39 # argv[2]: ','
[19877] 07 Oct 19:23:39 # === REDIS BUG REPORT END. Make sure to include from START to END. ===

[antirez]

This sounds like a memory corruption at first, could you please try memcheck86 or redis-server --test-memory? Thanks.