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https://issues.apache.org/jira/browse/THRIFT-4946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16937193#comment-16937193
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Jens Geyer commented on THRIFT-4946:
------------------------------------

Good catch! 

{quote} It may still be worthwhile to keep this issue open [...] It may be good 
to add a corresponding check [...]{quote} 

Makes sense to me, execpt ... how long would it take to complete? If we are 
going to cut a release in the middle of it then I would prefer having the fix 
in one ticket and the test in another to keep things clean & simple.



> Memory corruption in SecurityTest
> ---------------------------------
>
>                 Key: THRIFT-4946
>                 URL: https://issues.apache.org/jira/browse/THRIFT-4946
>             Project: Thrift
>          Issue Type: Bug
>          Components: C++ - Library
>    Affects Versions: 0.12.0
>         Environment:  * thrift latest master
>  * Operating Systems and Compilers:
>     * VS2017 x64
>     * VS2019 x64
>     * macOS 10.13
>     * Ubuntu 18.04 x86_64
>  * OpenSSL 1.1.1c (current latest official)
>            Reporter: Mario Emmenlauer
>            Priority: Major
>
> We observe a memory corruption in SecurityTest. The issue is not fully 
> reproducible: it appears on average in 1 out of 10 executions. However it is 
> not dependent on the environment because can reproduce the problem on Windows 
> VS2017 x64, VS2019 x64, macOS 10.13, and Ubuntu 18.04 x86_64.
> On Linux the issue is often reported as:
> {code}
> [...]
> TEST: Server = TLSv1_2, Client = TLSv1_1
> CLI 7f1be2eaa700 Exception: SSL_connect: tlsv1 alert protocol version 
> (SSL_error_code = 1)
> Thrift: Mon Sep  2 07:51:32 2019 SSL_shutdown: shutdown while in init 
> (SSL_error_code = 1)
> SRV 7f1be38bd700 Exception: SSL_accept: error code: 0 (SSL_error_code = 5) 
> error:1409442E:SSL routines:ssl3_read_bytes:tlsv1 alert protocol version
> Thrift: Mon Sep  2 07:51:32 2019 SSL_shutdown: shutdown while in init 
> (SSL_error_code = 1)
> double free or corruption (out)
> unknown location(0): fatal error: in "SecurityTest/ssl_security_matrix": 
> signal: SIGABRT (application abort requested)
> /builds/thrift/lib/cpp/test/SecurityTest.cpp(173): last checkpoint
> {code}
> But other forms also appear, for example:
> {code}
> [...]
> Thrift: Mon Sep  2 07:50:53 2019 SSL_shutdown: shutdown while in init 
> (SSL_error_code = 1)
> TEST: Server = TLSv1_2, Client = TLSv1_2
> corrupted size vs. prev_size
> {code}
> We tried to isolate a call stack for the problem but have failed so far. The 
> boost message log does not always point to the same protocol combination. We 
> executed the test in `valgrind` but it does never crash there. With `gdb` we 
> can create a stack trace but it does not mean much to me:
> {code}
> EST: Server = TLSv1_2, Client = TLSv1_0
> [New Thread 0x7f940fd05700 (LWP 1903)]
> [New Thread 0x7f9410718700 (LWP 1904)]
> CLI 7f9410718700 Exception: SSL_connect: tlsv1 alert protocol version 
> (SSL_error_code = 1)
> Thrift: Mon Sep  2 08:36:14 2019 SSL_shutdown: shutdown while in init 
> (SSL_error_code = 1)
> SRV 7f940fd05700 Exception: SSL_accept: error code: 0 (SSL_error_code = 5) 
> error:1409442E:SSL routines:ssl3_read_bytes:tlsv1 alert protocol version
> Thrift: Mon Sep  2 08:36:14 2019 SSL_shutdown: shutdown while in init 
> (SSL_error_code = 1)
> double free or corruption (out)
> [Thread 0x7f9410718700 (LWP 1904) exited]
> Thread 28 "SecurityTest" received signal SIGABRT, Aborted.
> [Switching to Thread 0x7f940fd05700 (LWP 1903)]
> __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
> 51      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
> (gdb) bt
> #0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
> #1  0x00007f9410b73801 in __GI_abort () at abort.c:79
> #2  0x00007f9410bbc897 in __libc_message (action=action@entry=do_abort, 
> fmt=fmt@entry=0x7f9410ce9b9a "%s\n") at ../sysdeps/posix/libc_fatal.c:181
> #3  0x00007f9410bc390a in malloc_printerr (str=str@entry=0x7f9410ceb870 
> "double free or corruption (out)") at malloc.c:5350
> #4  0x00007f9410cceeb9 in _int_free (have_lock=0, p=0x7f940800cd70, 
> av=0x7f9410f1ec40 <main_arena>) at malloc.c:4278
> #5  __GI___libc_free (mem=0x7f940800cd80) at malloc.c:3124
> #6  tcache_thread_shutdown () at malloc.c:2969
> #7  arena_thread_freeres () at arena.c:950
> #8  0x00007f9410ccf652 in __libc_thread_freeres () at thread-freeres.c:29
> #9  0x00007f94121bb700 in start_thread (arg=0x7f940fd05700) at 
> pthread_create.c:476
> #10 0x00007f9410c5488f in clone () at 
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
> {code}
> This could indicate a multi-threading issue with the creation of server 
> and/or client in the test?



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