[jira] [Commented] (TS-4075) segmentation fault due to reenable in SNI Hook for a closed ssl connection

["Oknet Xu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TS-4075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15087168#comment-15087168 ] 

Oknet Xu commented on TS-4075:
------------------------------

I have updated the patch, please review it on github.

> segmentation fault due to reenable in SNI Hook for a closed ssl connection
> --------------------------------------------------------------------------
>
>                 Key: TS-4075
>                 URL: https://issues.apache.org/jira/browse/TS-4075
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: Plugins, SSL
>            Reporter: Oknet Xu
>             Fix For: 6.2.0
>
>
> I'm writing a ssl hook to look up a cert from mysql database.
> the SNI Hook stall at fetch cert from mysql database due to a database dump lock every mid night.
> the SSL Client got timeout and closing the connection before SNI Hook reenable the connection.
> Segmentation fault due to the TSVConnSSLConnectionGet() can not get a SSLVC during reenable the SSLVC.
> {code}
> traffic_server: Segmentation fault (Address not mapped to object [(nil)])
> traffic_server - STACK TRACE:
> /usr/bin/traffic_server(crash_logger_invoke(int, siginfo_t*, void*)+0xa2)[0x2b90c9955b22]
> /lib/x86_64-linux-gnu/libpthread.so.0(+0xf8d0)[0x2b90cc1ea8d0]
> /usr/lib/x86_64-linux-gnu/libstdc++.so.6(__dynamic_cast+0x60)[0x2b90cc9c3020]
> /usr/bin/traffic_server(TSVConnSSLConnectionGet+0x1e)[0x2b90c997832e]
> /usr/lib/trafficserver/modules/test-ssl.so(CertRequestContext::reenable()+0x8c)[0x2b90d5fe29dc]
> /usr/lib/trafficserver/modules/test-ssl.so(CertRequestContext::destroy()+0xe5)[0x2b90d5fe2b85]
> /usr/lib/trafficserver/modules/test-ssl.so(CertRequestContext::handler_content(tsapi_vio*)+0x29b)[0x2b90d5fe34db]
> /usr/lib/trafficserver/modules/test-ssl.so(CertRequestContext::handler_read(TSEvent, tsapi_vio*)+0x36)[0x2b90d5fe3526]
> /usr/lib/trafficserver/modules/test-ssl.so(CertRequestContext::dispatch(tsapi_cont*, TSEvent, void*)+0x95)[0x2b90d5fe35e5]
> /usr/bin/traffic_server(PluginVC::process_read_side(bool)+0x366)[0x2b90c998b0a6]
> /usr/bin/traffic_server(PluginVC::process_write_side(bool)+0x5a9)[0x2b90c998ba49]
> /usr/bin/traffic_server(PluginVC::main_handler(int, void*)+0x371)[0x2b90c998e1c1]
> /usr/bin/traffic_server(EThread::process_event(Event*, int)+0x90)[0x2b90c9bc8620]
> /usr/bin/traffic_server(EThread::execute()+0x67f)[0x2b90c9bc922f]
> /usr/bin/traffic_server(+0x369a1a)[0x2b90c9bc7a1a]
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x80a4)[0x2b90cc1e30a4]
> /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x2b90cd26704d]
> traffic_server: using root directory '/usr'
> {code}



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