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Bug #33383 PHP crashes while retrieving data from Oracle
Submitted: 2005-06-17 13:05 UTC Modified: 2005-10-10 12:43 UTC
From: johnny at ouranous dot idv dot tw Assigned: tony2001
Status: Closed Package: OCI8 related
PHP Version: 5CVS-2005-10-06 (snap, oci8-beta) OS: Solaris 9
Private report: No CVE-ID:
 [2005-06-17 13:05 UTC] johnny at ouranous dot idv dot tw
I think this bug is simular to Bug #6561 but in Solaris
I've test 3 different version of php in CGI/CLI mode all happended.

Here is my enviornment & configuration:
Sun V240(sparc)
Solaris 9
gcc 3.4.2

php 4.3.11
CFLAGS="`getconf LFS_CFLAGS`" ./configure --prefix=/usr/local/php4 --with-oci8=/data/oracle/OraHome1 --with-ncurses=/usr/local/lib --enable-pcntl --with-readline=/usr/local/lib --enable-mbstring=all

php 5.0.3
CFLAGS="`getconf LFS_CFLAGS`" ./configure --prefix=/usr/local/php5 --with-oci8=/data/oracle/OraHome1 --with-ncurses=/usr/local/lib --enable-pcntl --with-readline=/usr/local/lib --enable-mbstring=all

php 5.0.4
CFLAGS="`getconf LFS_CFLAGS`" ./configure --prefix=/usr/local/php5 --with-oci8=/data/oracle/OraHome1 --with-ncurses=/usr/local/lib --enable-mbstring=all (cannot build with --enable-pcntl --with-readline=/usr/local/lib)

1. <phpdir>/configure
2. <phpdir>/ext/oci8/config.m4

OCI8_DIR/lib -> OCI8_DIR/lib32
OCI8_DIR/rdbms/lib -> OCI8_DIR/rdbms/lib32

CGI/CLI crashed (core dumped) at some CLOB field
at ociFetchInto when ociFetchInto with OCI_RETURN_LOBS, and crashed at ->load() when ociFetchInto without OCI_RETURN_LOBS, same code runs fine is PHP4/PHP5 on windows

Reproduce code:
Very hard to reproduce exactly. It happens while retrieving data from an
Oracle 8 database. The same code works fine in Windows Environment.

Expected result:
  $query = "SELECT field1, clob1, field2 FROM table1";

  $stmt = OCIParse ($conn, $query);
  OCIExecute($stmt, OCI_DEFAULT);
  while( true )
    if( !OCIFetchInto($stmt, $arr, OCI_ASSOC|OCI_RETURN_LOBS) )
    while( list($key,$val)=each($arr) )
      echo "Key:".$key."\tVal:".$val."\n";
    echo "\n";

Actual result:
Key: xxxx Val: yyyyyy
Key: xxxx Val: yyyyyy
Key: xxxx Val: yyyyyy
Key: xxxx Val: yyyyyy


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 [2005-09-08 11:51 UTC]
Please try OCI8 v.1.1, which is available in CVS HEAD and PECL (use `pear install oci8-beta` to install it).
 [2005-10-04 08:54 UTC] johnny at ouranous dot idv dot tw
oci8-beta still got crashed. And there was something I forgot to mention. My Oracle 9i is configured to use UTF8.
 [2005-10-07 06:36 UTC] johnny at ouranous dot idv dot tw

 [2005-10-07 09:33 UTC]
Do not load the extension with dl()!! Put it in php.ini.
Using dl() is known to cause crashes in all usual and unusual ways..

 [2005-10-07 14:00 UTC] johnny at ouranous dot idv dot tw
Even if I remove the lines of dynamic loading and load oci8 in php.ini, the script still crashed.
And this time it cannot even print the first record.
 [2005-10-10 12:43 UTC]
This bug has been fixed in CVS.

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