FreeTDS Development Group

["Ben Vaughn" <bvaughn AT BlackbirdTech.com>]

I am able to make tsql crash, too (0.61).  Has this been fixed in CVS?:

(gdb) file /usr/local/freetds/bin/tsql
Reading symbols from /usr/local/freetds/bin/tsql...Deprecated bfd_read
called at
/usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c
line 2627 in elfstab_build_psymtabs
Deprecated bfd_read called at
/usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c
line 933 in fill_symbuf
done.
(gdb) run -H 10.150.250.10 -p 10033 -U idsmdc -P C1sC0C1sC0
Starting program: /usr/local/freetds/bin/tsql -H 10.150.250.10 -p 10033
-U xxx -P yyy
locale is "C"
charset is "US-ASCII"
Msg 911, Level 16, State 0, Server , Line 0
ASA Error -83: Specified database not found
Msg 4224, Level 16, State 0, Server , Line 0
ASA Error -108: Connection not found

Program received signal SIGSEGV, Segmentation fault.
0x28092512 in tds_set_spid (tds=0x8050000) at token.c:196
196             if (tds->res_info->num_cols != 1) {
(gdb)

------
Ben Vaughn
Security Analyst
Blackbird Technologies
703-796-1438 W / 703-582-4551 C
bvaughn AT blackbirdtech.com
------
 

-----Original Message-----
From: Ben Vaughn 
Sent: Thursday, July 10, 2003 01:25
To: freetds AT lists.ibiblio.org
Subject: [freetds] Crash w/ FreeBSD/PHP/Apache/Sybase


Hi,

        Just recently compiled FreeTDS into my Apache/PHP/FreeBSD
installation so that I could connect to a Sybase server we have and run
some queries.  Compilation was successful and so on, but when I try to
run a simple connect script, Apache/PHP crashes.  I would love to be
able to blame apache, but from GDB it looks like it's a bug in 0.61.  

My error_log:
[Thu Jul 10 12:07:12 2003] [error] PHP Warning:  Sybase message:  ASA
Error -102: Database server connection limit exceeded (severity 21) in
/usr/local/www/data-dist/dorman/picket/functions.db.php on line 5
[Thu Jul 10 12:07:12 2003] [error] PHP Warning:  Sybase message:  ASA
Error -108: Connection not found (severity 16) in
/usr/local/www/data-dist/dorman/picket/functions.db.php on line 5
[Thu Jul 10 12:07:13 2003] [notice] child pid 88011 exit signal
Segmentation fault (11)

(I get the Seg fault regardless of my connection instance.  When another
concurrent user stops his session so that I can connect, and try to
select a DB that does not exist, I get the same crash.  It seems as
though regardless of the action performed on the DB, at the end of the
session you get a crash.)

My interfaces:
SERVER3
        query tcp ether xxx.xxx.250.10 10033
        master tcp ether xxx.xxx.250.10 10033


My bt:
root@manage:/usr/local# gdb /usr/local/sbin/httpd
GNU gdb 4.18 (FreeBSD)
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you
are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for
details.
This GDB was configured as "i386-unknown-freebsd"...(no debugging
symbols found)...
(gdb) run -X
Starting program: /usr/local/sbin/httpd -X
(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...(no debugging symbols found)...
Deprecated bfd_read called at
/usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c
line 2627 in elfstab_build_ps
ymtabs
Deprecated bfd_read called at
/usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c
line 933 in fill_symbuf
Apache/1.3.27 mod_ssl/2.8.14 (Pass Phrase Dialog)
Some of your private key files are encrypted for security reasons.
In order to read them you have to provide us with the pass phrases.

Server xxx.xxx.214.50:443 (RSA)
Enter pass phrase:

Ok: Pass Phrase Dialog successful.
(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...
Program received signal SIGSEGV, Segmentation fault.
0x284a71ca in tds_set_spid (tds=0x81a2800) at token.c:196
196             if (tds->res_info->num_cols != 1) {
(gdb) bt
#0  0x284a71ca in tds_set_spid (tds=0x81a2800) at token.c:196
#1  0x284a74a6 in tds_process_login_tokens (tds=0x81a2800) at
token.c:299
#2  0x284ab817 in tds_connect (tds=0x81a2800, connect_info=0x81a2900) at
login.c:347
#3  0x2849b15c in tdsdbopen (login=0x811fed0, server=0x81a3eac
"SERVER3") at dblib.c:809
#4  0x283b9daf in php_sybase_do_connect (ht=5, return_value=0x81b018c,
this_ptr=0x0, return_value_used=1, persistent=0)
    at /usr/src/php-4.3.1/ext/sybase/php_sybase_db.c:538
#5  0x283b9f51 in zif_sybase_connect (ht=5, return_value=0x81b018c,
this_ptr=0x0, return_value_used=1)
    at /usr/src/php-4.3.1/ext/sybase/php_sybase_db.c:585
#6  0x284166d8 in execute (op_array=0x81a0700) at
/usr/src/php-4.3.1/Zend/zend_execute.c:1598
#7  0x28416852 in execute (op_array=0x81a000c) at
/usr/src/php-4.3.1/Zend/zend_execute.c:1640
#8  0x28404f2a in zend_execute_scripts (type=8, retval=0x0,
file_count=3) at /usr/src/php-4.3.1/Zend/zend.c:864
#9  0x283ddd5e in php_execute_script (primary_file=0xbfbff9b4) at
/usr/src/php-4.3.1/main/main.c:1573
#10 0x2841d102 in apache_php_module_main (r=0x8175038,
display_source_mode=0) at
/usr/src/php-4.3.1/sapi/apache/sapi_apache.c:55
#11 0x2841dc02 in send_php (r=0x8175038, display_source_mode=0,
filename=0x0) at /usr/src/php-4.3.1/sapi/apache/mod_php4.c:556
#12 0x2841dc62 in send_parsed_php (r=0x8175038) at
/usr/src/php-4.3.1/sapi/apache/mod_php4.c:571
#13 0x8053690 in ap_invoke_handler ()
#14 0x80631b1 in process_request_internal ()
#15 0x8063210 in ap_process_request ()
#16 0x805c646 in child_main ()
#17 0x805c7d8 in make_child ()
#18 0x805c8f5 in startup_children ()
#19 0x805cde4 in standalone_main ()
#20 0x805d4df in main ()
#21 0x804fadd in _start ()
(gdb) quit
The program is running.  Exit anyway? (y or n) y


------
Ben Vaughn
Security Analyst
Blackbird Technologies
703-796-1438 W / 703-582-4551 C
bvaughn AT blackbirdtech.com
------
 
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