From: [EMAIL PROTECTED]
Operating system: redhat 6.2
PHP version: 4.0 Latest CVS (05/02/2001)
PHP Bug Type: dBase related
Bug description: the dbase functions either segfault or generate the following debug
information
<?php
<?php
$dbf = dbase_open("eitmact.DBF", 0);
$numrecs = dbase_numrecords($dbf);
print "Number of records: " . $numrecs . "\n";
print "\n";
for ($i=0;$i<=$numrecs;$i++) {
$row = dbase_get_record($dbf, $i);
}
?>
---------------------------------------
dbase.c(478) : Block 0x082E20B0 status:
Beginning: OK (allocated on dbase.c:448, 9 bytes)
End: Overflown (magic=0x20202020 instead of 0x2A8FCC84)
---------------------------------------
dbase.c(478) : Block 0x082E20B0 status:
Beginning: OK (allocated on dbase.c:448, 9 bytes)
End: Overflown (magic=0x20202020 instead of 0x2A8FCC84)
At least 4 bytes overflown
---------------------------------------
[Mon Feb 5 14:07:14 2001] Script: 'test.php'
---------------------------------------
dbase.c(478) : Block 0x082E4968 status:
Beginning: OK (allocated on dbase.c:448, 2 bytes)
End: Overflown (magic=0x20202020 instead of 0x2A8FCC84)
At least 4 bytes overflown
---------------------------------------
[Mon Feb 5 14:07:14 2001] Script: 'test.php'
---------------------------------------
dbase.c(478) : Block 0x082E4850 status:
Beginning: OK (allocated on dbase.c:448, 1 bytes)
End: Overflown (magic=0x20202020 instead of 0x2A8FCC84)
At least 4 bytes overflown---------------------------------------
[Mon Feb 5 14:07:14 2001] Script: 'test.php'
---------------------------------------
dbase.c(478) : Block 0x082E4968 status:
Beginning: OK (allocated on dbase.c:448, 2 bytes)
End: Overflown (magic=0x20202020 instead of 0x2A8FCC84)
At least 4 bytes overflown
---------------------------------------
[Mon Feb 5 14:07:14 2001] Script: 'test.php'
---------------------------------------
dbase.c(478) : Block 0x082E4850 status:
Beginning: OK (allocated on dbase.c:448, 1 bytes)
End: Overflown (magic=0x20202020 instead of 0x2A8FCC84)
At least 4 bytes overflown
./configure \
--enable-bcmath \
--enable-wddx \
--with-xml \
--with-zlib \
--with-regex=system \
--enable-debug \
--enable-magic-quotes=yes \
--enable-force-cgi-redirect \
--with-gd=/usr/local/ \
--with-jpeg-dir=/usr/local \
--with-png-dir=/usr/local \
--enable-gd-imgstrttf=/usr/local \
--enable-memory-limit \
--with-sybase=/usr/local/freetds \
--with-config-file-path=/etc/php4/cgi \
--bindir=/usr/local/apache/cgi-bin \
--with-cpdflib=/usr/local \
--enable-ttf=/usr/local \
--enable-dbase
gdb backtrace
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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.
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This GDB was configured as "i386-redhat-linux"...
Core was generated by `php -f t.php'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libpam.so.0...done.
Reading symbols from /lib/libdl.so.2...done.
Reading symbols from /usr/local/freetds/lib/libsybdb.so.0...done.
Reading symbols from /usr/lib/libttf.so.2...done.
Reading symbols from /usr/lib/libpng.so.2...done.
Reading symbols from /usr/lib/libjpeg.so.62...done.
Reading symbols from /lib/libresolv.so.2...done.
Reading symbols from /lib/libm.so.6...done.
Reading symbols from /lib/libcrypt.so.1...done.
Reading symbols from /lib/libnsl.so.1...done.
Reading symbols from /lib/libc.so.6...done.
Reading symbols from /lib/ld-linux.so.2...done.
Reading symbols from /usr/lib/libz.so.1...done.
#0 chunk_alloc (ar_ptr=0x40209d60, nb=184) at malloc.c:2814
2814 malloc.c: No such file or directory.
(gdb) bt
#0 chunk_alloc (ar_ptr=0x40209d60, nb=184) at malloc.c:2814
#1 0x401745ce in __libc_malloc (bytes=176) at malloc.c:2696
#2 0x4016d83b in _IO_new_fopen (filename=0x40202731 "/etc/localtime", mode=0x402027a2
"r") at iofopen.c:42
#3 0x401a5406 in __tzfile_read (file=0x40202731 "/etc/localtime", extra=0,
extrap=0x0) at tzfile.c:149
#4 0x401a43e7 in tzset_internal (always=538976104) at tzset.c:172
#5 0x401a50db in __tz_convert (timer=0xbfffe3b0, use_localtime=1, tp=0xbfffe1ac) at
tzset.c:582
#6 0x401a0cc1 in __localtime_r (t=0xbfffe3b0, tp=0xbfffe1ac) at localtime.c:33
#7 0x80693b2 in php_message_handler_for_zend (message=6, data=0x0) at main.c:557
#8 0x8113b9d in zend_message_dispatcher (message=6, data=0x0) at zend.c:551
#9 0x8103a26 in _mem_block_check (ptr=0x82bfcdc, silent=0, __zend_filename=0x81743ad
"dbase.c", __zend_lineno=478,
__zend_orig_filename=0x0, __zend_orig_lineno=0) at zend_alloc.c:572
#10 0x8103cc4 in _mem_block_check (ptr=0x82bfcdc, silent=1, __zend_filename=0x81743ad
"dbase.c", __zend_lineno=478,
__zend_orig_filename=0x0, __zend_orig_lineno=0) at zend_alloc.c:627
#11 0x8102af9 in _efree (ptr=0x82bfcdc, __zend_filename=0x81743ad "dbase.c",
__zend_lineno=478, __zend_orig_filename=0x0,
__zend_orig_lineno=0) at zend_alloc.c:213
#12 0x8079feb in php_if_dbase_get_record (ht=2, return_value=0x82c4334, this_ptr=0x0,
return_value_used=1) at dbase.c:478
#13 0x8147b49 in execute (op_array=0x82bf9ac) at ./zend_execute.c:1493
#14 0x811417b in zend_execute_scripts (type=8, file_count=3) at zend.c:743
#15 0x806a1bc in php_execute_script (primary_file=0xbffffb00) at main.c:1166
#16 0x8068339 in main (argc=3, argv=0xbffffb74) at cgi_main.c:736
--
Edit Bug report at: http://bugs.php.net/?id=9121&edit=1
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