envoy proxy Segmentation fault

[skywli]

Title: envoy proxy Segmentation fault when I learn examples/redis

Description:

this is log

proxy_1 | [2019-03-28 08:30:11.919][12][debug][redis] [source/extensions/filters/network/redis_proxy/command_splitter_impl.cc:403] redis: splitting '["set", "name", "envoy"]'
proxy_1 | [2019-03-28 08:30:11.919][12][debug][connection] [source/common/network/connection_impl.cc:644] [C4] connecting to 172.20.0.2:6379
proxy_1 | [2019-03-28 08:30:11.921][12][debug][connection] [source/common/network/connection_impl.cc:653] [C4] connection in progress
proxy_1 | [2019-03-28 08:30:11.921][12][debug][connection] [source/common/network/connection_impl.cc:517] [C4] connected
proxy_1 | [2019-03-28 08:30:11.923][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:81] Caught Segmentation fault, suspect faulting address 0xa
proxy_1 | [2019-03-28 08:30:11.923][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:69] Backtrace (use tools/stack_decode.py to get line numbers):
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:73] #0: __restore_rt [0x7f78d87f7390]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #1: [0x88058f]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #2: [0x889b3b]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #3: [0x88b8ee]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #4: [0x88be9f]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #5: [0x8897a9]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #6: [0x88985d]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #7: [0xaa5b4c]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #8: [0xaa23ba]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #9: [0xaa2aca]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #10: [0xa9c78a]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #11: [0xde74c9]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #12: [0xde79ff]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #13: [0xde9608]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #14: [0xa9bdfd]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #15: [0xa96c9e]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:75] #16: [0xfc7575]
proxy_1 | [2019-03-28 08:30:11.924][12][critical][backtrace] [bazel-out/k8-opt/bin/source/server/_virtual_includes/backtrace_lib/server/backtrace.h:73] #17: start_thread [0x7f78d87ed6ba]
proxy_1 | Segmentation fault (core dumped)
redis_proxy_1 exited with code 139

this is my test steps:
[root@localhost ~]# redis-cli -p 1999
127.0.0.1:1999> set name envoy
(error) no upstream host
127.0.0.1:1999>

what's trouble, I not charge config and follow the examples/redis steps to operate 。

[mattklein123]

Please try current master the bug here was reverted.

[skywli]

@mattklein123 thank your help,the new image is ok.