os-linux/9091: httpd is crashed without any logs.

[Kotaro Ise <ko...@toshiba.co.jp>]

>Number:         9091
>Category:       os-linux
>Synopsis:       httpd is crashed without any logs.
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    apache
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   apache
>Arrival-Date:   Wed Dec 12 12:40:11 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     kotaro.ise@toshiba.co.jp
>Release:        1.3.19
>Organization:
apache
>Environment:
Machine: Intel PC 
OS:     Vine Linux 2.1.5 which is japanese distribution based on redhat 6.x.
Compiler:egcs-2.91.66
Environment: The machine name is not described its /etc/hosts, and
             DNS server does not know the name.
>Description:
httpd is crashed without any logs.
>How-To-Repeat:
type: httpd 
then  httpd is crashed always in my machine.
>Fix:
in my breif check, gethostbyname() in ap_get_local_host() of util.c  
returns NULL, and NULL pointer(p) is reffered.

NULL-->   if ((!(p = gethostbyname(str)))
            || (!(server_hostname = find_fqdn(a, p)))) {
            /* Recovery - return the default servername by IP: */
Crash  --> if (p->h_addr_list[0]) {
>Release-Note:
>Audit-Trail:
>Unformatted:
 [In order for any reply to be added to the PR database, you need]
 [to include <ap...@Apache.Org> in the Cc line and make sure the]
 [subject line starts with the report component and number, with ]
 [or without any 'Re:' prefixes (such as "general/1098:" or      ]
 ["Re: general/1098:").  If the subject doesn't match this       ]
 [pattern, your message will be misfiled and ignored.  The       ]
 ["apbugs" address is not added to the Cc line of messages from  ]
 [the database automatically because of the potential for mail   ]
 [loops.  If you do not include this Cc, your reply may be ig-   ]
 [nored unless you are responding to an explicit request from a  ]
 [developer.  Reply only with text; DO NOT SEND ATTACHMENTS!     ]