Hi,

On Wed, Feb 08, Jarno Huuskonen wrote:
> On Tue, Feb 07, Emmanuel Hocdet wrote:
> > I'm not able to reproduce this crash with current 1.8dev and openssl 1.0.2j.
> 
> OK, thanks for checking. I'll try to compile openssl-1.0.2/openssl-1.1.0 and
> test with those to see if it's specific to openssl that comes w/centos7.

I just tested with 1.0.1u / 1.1.0c (compiled from source) -> no crash. 

> Do you have access to a centos7 vm (are you able to reproduce with
> openssl that comes w/centos7) ?

I still get a crash with openssl that comes with centos7. haproxy -vv
reports version as:
Built with OpenSSL version : OpenSSL 1.0.1e-fips 11 Feb 2013
Running on OpenSSL version : OpenSSL 1.0.1e-fips 11 Feb 2013

Is commit 405ff31e31eb1cbdc76ba0d93c6db4c7a3fd497a boringssl specific ?

-Jarno

> > Manu
> > 
> > > Le 5 févr. 2017 à 20:04, Jarno Huuskonen <jarno.huusko...@uef.fi> a écrit 
> > > :
> > > 
> > > Hi,
> > > 
> > > Commit 405ff31e31eb1cbdc76ba0d93c6db4c7a3fd497a
> > > (BUG/MINOR: ssl: assert on SSL_set_shutdown with BoringSSL) is causing
> > > trouble (with centos7 + openssl-1.0.1e-60.el7.x86_64).
> > > 
> > > If I have a backend server with ssl and httpchk enabled I get a crash:
> > > (gdb) bt
> > > #0  0x00007ffff7218419 in sk_free () from /lib64/libcrypto.so.10
> > > #1  0x00007ffff719f199 in int_free_ex_data () from /lib64/libcrypto.so.10
> > > #2  0x00007ffff75641fd in SSL_free () from /lib64/libssl.so.10
> > > #3  0x000000000040e332 in ssl_sock_close (conn=0x723ac0) at 
> > > src/ssl_sock.c:4012
> > > #4  0x000000000045d1b6 in conn_force_close (conn=0x723ac0)
> > >    at include/proto/connection.h:151
> > > #5  wake_srv_chk (conn=0x723ac0) at src/checks.c:1406
> > > #6  0x000000000049b6e6 in conn_fd_handler (fd=<optimized out>)
> > >    at src/connection.c:141
> > > #7  0x00000000004a7304 in fd_process_cached_events () at src/fd.c:223
> > > #8  0x0000000000409d7d in run_poll_loop () at src/haproxy.c:1598
> > > #9  main (argc=4, argv=0x7fffffffdc78) at src/haproxy.c:1957
> > > 
> > > This is fairly minimal config that fails for me:
> > > global
> > >   log /dev/log local2 info
> > >   stats socket /tmp/stats level admin
> > > 
> > > defaults
> > >   mode http
> > > 
> > > frontend test4
> > >   bind ipv4@127.0.0.1:8083
> > >   default_backend test_be2
> > > 
> > > backend test_be2
> > >   option httpchk GET /crashme\ HTTP/1.1\r\nHost:\ 
> > > some.example.org\r\nConnection:\ close
> > >   server srv1 some.ip.with.ssl:443 id 1 check ssl verify none

-- 
Jarno Huuskonen

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