i had also compiled php as cgi without the --with-apxs parameter. then i
executed php and core was dumped. the out is as follows.
[root@ispms html]# gdb /usr/local/bin/php /var/www/html/core
GNU gdb Red Hat Linux 7.x (5.0rh-15) (MI_OUT)
Copyright 2001 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-redhat-linux"...
Core was generated by `php snmp.php'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libssl.so.2...done.
Loaded symbols for /lib/libssl.so.2
Reading symbols from /lib/libcrypto.so.2...done.
Loaded symbols for /lib/libcrypto.so.2
Reading symbols from /lib/libresolv.so.2...done.
Loaded symbols for /lib/libresolv.so.2
Reading symbols from /lib/libpam.so.0...done.
Loaded symbols for /lib/libpam.so.0
Reading symbols from /usr/lib/libsnmp-0.4.2.1.so...done.
Loaded symbols for /usr/lib/libsnmp-0.4.2.1.so
Reading symbols from /usr/lib/libpq.so.2...done.
Loaded symbols for /usr/lib/libpq.so.2
Reading symbols from /usr/lib/libgd.so.1.8...done.
Loaded symbols for /usr/lib/libgd.so.1.8
Reading symbols from /lib/i686/libm.so.6...done.
Loaded symbols for /lib/i686/libm.so.6
Reading symbols from /lib/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /lib/i686/libc.so.6...done.
Loaded symbols for /lib/i686/libc.so.6
Reading symbols from /usr/kerberos/lib/libkrb5.so.3...done.
Loaded symbols for /usr/kerberos/lib/libkrb5.so.3
Reading symbols from /usr/kerberos/lib/libk5crypto.so.3...done.
Loaded symbols for /usr/kerberos/lib/libk5crypto.so.3
---Type <return> to continue, or q <return> to quit---
Reading symbols from /usr/kerberos/lib/libcom_err.so.3...done.
Loaded symbols for /usr/kerberos/lib/libcom_err.so.3
Reading symbols from /usr/lib/libfreetype.so.6...done.
Loaded symbols for /usr/lib/libfreetype.so.6
Reading symbols from /usr/lib/libjpeg.so.62...done.
Loaded symbols for /usr/lib/libjpeg.so.62
Reading symbols from /usr/lib/libpng.so.2...done.
Loaded symbols for /usr/lib/libpng.so.2
Reading symbols from /usr/lib/libz.so.1...done.
Loaded symbols for /usr/lib/libz.so.1
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
#0 0x402c8c71 in strlen () from /lib/i686/libc.so.6
(gdb) bt
#0 0x402c8c71 in strlen () from /lib/i686/libc.so.6
#1 0x4017969f in bprintf () from /usr/lib/libsnmp-0.4.2.1.so
#2 0x4017a453 in sprint_object_identifier () from /usr/lib/libsnmp-0.4.2.1.so
#3 0x4017ce3a in sprint_value () from /usr/lib/libsnmp-0.4.2.1.so
#4 0x080a1ab5 in php_snmp (ht=3, return_value=0x81e358c, this_ptr=0x0,
return_value_used=1, st=2) at snmp.c:318
#5 0x080a1dbb in zif_snmpwalk (ht=3, return_value=0x81e358c, this_ptr=0x0,
return_value_used=1) at snmp.c:397
#6 0x08134376 in execute (op_array=0x81e368c) at ./zend_execute.c:1590
#7 0x08111788 in zend_execute_scripts (type=8, retval=0x0, file_count=3)
at zend.c:814
#8 0x08067255 in php_execute_script (primary_file=0xbffff980) at main.c:1309
#9 0x08064e38 in main (argc=2, argv=0xbffffa24) at cgi_main.c:738
#10 0x4025e507 in __libc_start_main (main=0x8064648 <main>, argc=2,
ubp_av=0xbffffa24, init=0x8062760 <_init>, fini=0x813c500 <_fini>,
rtld_fini=0x4000dc14 <_dl_fini>, stack_end=0xbffffa1c)
at ../sysdeps/generic/libc-start.c:129
(gdb)
On Saturday 15 December 2001 12:59, Yasuo Ohgaki wrote:
> Kancha . wrote:
> > i had compiled php with following configure
> > parameters.
> >
> > ./configure --with-apxs=/usr/sbin/apxs
> > --enable-calendar --with-pgsql --with-snmp
> > --enable-ucd-snmp-hack --enable-wddx --enable-sysvsem
> > --with-sysvshm --enable-inline-optimization
> > --enable-ftp --with-gd --enable-gd-native-ttf
> > --with-openssl
>
> Rasmus is asking backtrace. Read following link to get
> one ;)
>
> http://bugs.php.net/bugs-generating-backtrace.php
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