[stunnel-users] stunnel 4.10 on Suse 8.2

Fri Jun 17 16:03:31 CEST 2005

I get a segmentation fault on first connect.
To the default config, i've added the debug = 7 and foreground = yes.
I have used for comparison 2 versions 4.09 and 4.10 compiled with default  
options (./configure, make, make install)
It seems like UCONTEXT is not welcome on my machine.

linux:~ # uname -a
Linux linux 2.4.20-4GB #1 Mon Mar 17 17:54:44 UTC 2003 i686 unknown  
unknown GNU/Linux

linux:~ # gcc -v
Reading specs from /usr/lib/gcc-lib/i486-suse-linux/3.3/specs
Configured with: ../configure --enable-threads=posix --prefix=/usr  
--with-local-prefix=/usr/local --infodir=/usr/share/info  
--mandir=/usr/share/man --libdir=/usr/lib  
--enable-languages=c,c++,f77,objc,java,ada --disable-checking  
--enable-libgcj  
--with-gxx-include-dir=/usr/include/g++ --with-slibdir=/lib  
--with-system-zlib --enable-shared --enable-__cxa_atexit i486-suse-linux
Thread model: posix
gcc version 3.3 20030226 (prerelease) (SuSE Linux)

linux:~ # openssl version
OpenSSL 0.9.7g 11 Apr 2005

linux:/usr/src/stunnel-4.10 # /usr/local/sbin/stunnel
2005.06.17 11:44:17 LOG5[10371:1]: stunnel 4.10 on i686-pc-linux-gnu  
UCONTEXT+POLL+IPv4+LIBWRAP with OpenSSL 0.9.7g 11 Apr 2005
2005.06.17 11:44:17 LOG7[10371:1]: RAND_status claims sufficient entropy  
for the PRNG
2005.06.17 11:44:17 LOG6[10371:1]: PRNG seeded successfully
2005.06.17 11:44:17 LOG7[10371:1]: Certificate:  
/usr/local/etc/stunnel/server.pem
2005.06.17 11:44:17 LOG7[10371:1]: Key file:  
/usr/local/etc/stunnel/server.pem
2005.06.17 11:44:17 LOG6[10371:1]: file ulimit = 1024 (can be changed with  
'ulimit -n')
2005.06.17 11:44:17 LOG6[10371:1]: poll() used - no FD_SETSIZE limit for  
file descriptors
2005.06.17 11:44:17 LOG5[10371:1]: 500 clients allowed
2005.06.17 11:44:17 LOG7[10371:1]: FD 3 in non-blocking mode
2005.06.17 11:44:17 LOG7[10371:1]: FD 4 in non-blocking mode
2005.06.17 11:44:17 LOG7[10371:1]: FD 5 in non-blocking mode
2005.06.17 11:44:17 LOG7[10371:1]: SO_REUSEADDR option set on accept socket
2005.06.17 11:44:17 LOG7[10371:1]: pop3s bound to 0.0.0.0:995
2005.06.17 11:44:17 LOG7[10371:1]: FD 6 in non-blocking mode
2005.06.17 11:44:18 LOG7[10371:1]: SO_REUSEADDR option set on accept socket
2005.06.17 11:44:18 LOG7[10371:1]: https bound to 0.0.0.0:443
2005.06.17 11:44:18 LOG7[10371:1]: Created pid file /stunnel.pid
2005.06.17 11:44:18 LOG7[10371:0]: Waiting -1 second(s) for 3 file  
descriptor(s)
2005.06.17 11:44:20 LOG7[10371:0]: CONTEXT 1, FD=3, (IN)->()
2005.06.17 11:44:20 LOG7[10371:0]: CONTEXT 1, FD=5, (IN)->(IN)
2005.06.17 11:44:20 LOG7[10371:0]: CONTEXT 1, FD=6, (IN)->()
2005.06.17 11:44:20 LOG7[10371:1]: pop3s accepted FD=7 from  
172.16.203.52:2148
2005.06.17 11:44:20 LOG7[10371:1]: Creating a new context
2005.06.17 11:44:20 LOG7[10371:1]: Context 2 created
Segmentation fault

linux:/usr/src/stunnel-4.09 # /usr/local/sbin/stunnel
2005.06.17 11:45:13 LOG5[10773:16384]: stunnel 4.09 on i686-pc-linux-gnu  
PTHREAD+POLL+IPv4+LIBWRAP with OpenSSL 0.9.7g 11 Apr 2005
2005.06.17 11:45:13 LOG7[10773:16384]: RAND_status claims sufficient  
entropy for the PRNG
2005.06.17 11:45:13 LOG6[10773:16384]: PRNG seeded successfully
2005.06.17 11:45:13 LOG7[10773:16384]: Certificate:  
/usr/local/etc/stunnel/server.pem
2005.06.17 11:45:13 LOG7[10773:16384]: Key file:  
/usr/local/etc/stunnel/server.pem
2005.06.17 11:45:13 LOG6[10773:16384]: file ulimit = 1024 (can be changed  
with 'ulimit -n')
2005.06.17 11:45:13 LOG6[10773:16384]: poll() used - no FD_SETSIZE limit  
for file descriptors
2005.06.17 11:45:13 LOG5[10773:16384]: 500 clients allowed
2005.06.17 11:45:13 LOG7[10773:16384]: FD 3 in non-blocking mode
2005.06.17 11:45:13 LOG7[10773:16384]: FD 4 in non-blocking mode
2005.06.17 11:45:13 LOG7[10773:16384]: FD 5 in non-blocking mode
2005.06.17 11:45:13 LOG7[10773:16384]: SO_REUSEADDR option set on accept  
socket
2005.06.17 11:45:13 LOG7[10773:16384]: pop3s bound to 0.0.0.0:995
2005.06.17 11:45:13 LOG7[10773:16384]: FD 6 in non-blocking mode
2005.06.17 11:45:13 LOG7[10773:16384]: SO_REUSEADDR option set on accept  
socket
2005.06.17 11:45:13 LOG7[10773:16384]: https bound to 0.0.0.0:443
2005.06.17 11:45:13 LOG7[10773:16384]: Created pid file /stunnel.pid
2005.06.17 11:45:15 LOG7[10773:16384]: pop3s accepted FD=7 from  
172.16.203.52:2150
2005.06.17 11:45:15 LOG7[10773:16384]: FD 7 in non-blocking mode
2005.06.17 11:45:15 LOG7[10779:16386]: pop3s started
2005.06.17 11:45:15 LOG7[10779:16386]: TCP_NODELAY option set on local  
socket
2005.06.17 11:45:15 LOG5[10779:16386]: pop3s connected from  
172.16.203.52:2150
2005.06.17 11:45:15 LOG7[10779:16386]: SSL state (accept): before/accept  
initialization
2005.06.17 11:45:18 LOG3[10779:16386]: SSL_accept: Peer suddenly  
disconnected
2005.06.17 11:45:18 LOG7[10779:16386]: pop3s finished (0 left)

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