Bug 232784 - httpd segfaults during some operations.
httpd segfaults during some operations.
Status: CLOSED DUPLICATE of bug 231848
Product: Fedora
Classification: Fedora
Component: httpd (Show other bugs)
6
ia64 Linux
medium Severity high
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Assigned To: Joe Orton
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Depends On:
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Reported: 2007-03-17 15:09 EDT by Victor Bogado
Modified: 2007-11-30 17:11 EST (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2007-03-19 06:20:56 EDT
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Description Victor Bogado 2007-03-17 15:09:39 EDT
Description of problem:

I have noticed that httpd is segfaulting with some operations. 

I have seen this in two specific cases one is with trac, when it is used through
the modpython option, the problem does not appear when trac is configured as a cgi. 

Another problem is happening in a php application that I am developing, php is
also configured to work as a module. 

I attempted to create a coredump using the configuration directive
CoreDumpDirectory" to instruct httpd to dump in the /tmp dir but no dump was
placed there. 

What I am seeing is that the httpd closes the connection immediately after the
browser sent the data to the server, after that the error log show the following
line : 

[Sat Mar 17 16:05:36 2007] [notice] child pid 13954 exit signal Segmentation
fault (11)

The main message log of the system also reports this : 

Mar 17 16:05:35 gandalf kernel: httpd[13954]: segfault at 00007fff4cad3ff8 rip
00002aaaac7e5c6f rsp 00007fff4cad3fe0 error 6

In the trac case the problem happens all the time with any configured trac
project, but in the php case it only happen with a single script, other scripts
of the same project do not trigger this behavior.
Comment 1 Victor Bogado 2007-03-17 15:23:28 EDT
Apparently my php code was getting into an infinite loop, that maybe the reason
of the segfault. 

I still have no clue about the trac problem, if there is anyway that I could
help in the diagnose of the source of the problem please ask. 
Comment 2 Luming Yu 2007-03-18 23:06:38 EDT
Do you see similar segfaults on ia32 box?
Do you see same segfaults on the latest verison of httpd and kernel?
Does FC7 has same problem.

Comment 3 Joe Orton 2007-03-19 06:20:56 EDT

*** This bug has been marked as a duplicate of 231848 ***

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