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Bug #25788 apache crash
Submitted: 2003-10-08 05:02 UTC Modified: 2003-11-27 01:06 UTC
From: marrtins at hackers dot lv Assigned:
Status: Not a bug Package: Session related
PHP Version: 4CVS-2003-10-08 (stable) OS: w2k sp4
Private report: No CVE-ID: None
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From: marrtins at hackers dot lv
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 [2003-10-08 05:02 UTC] marrtins at hackers dot lv 
Description:
------------
1st time of session_start() reproduces notice
Notice: Uninitialized string offset: 0 in d:\crash_php\index.php on line 70

2nd time crash


apache crash
Zend/zend_hash.c
------------------
ZEND_API int zend_hash_find(HashTable *ht, char *arKey, uint nKeyLength, void **pData)
...
  while (p != NULL) {
    if ((p->h == h) && (p->nKeyLength == nKeyLength)) { // <-- access violation
      if (!memcmp(p->arKey, arKey, nKeyLength)) {
        *pData = p->pData;
        return SUCCESS;
      }
    }
    p = p->pNext;
  }
  return FAILURE;
}

Reproduce code:
---------------
http://paste.php.lv/429

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 [2003-11-17 18:41 UTC] sniper@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php4-STABLE-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php4-win32-STABLE-latest.zip
 [2003-11-25 15:31 UTC] sniper@php.net 
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.
 [2003-11-26 04:06 UTC] marrtins at hackers dot lv 
sorry, the same
Notice: Uninitialized string offset: 0 in d:\crash_php\index.php on line 71

look at my submited code above on line 71
 [2003-11-27 01:06 UTC] sniper@php.net 
Your script is buggy. Can not reproduce using the internal session handler.
 
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