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Posted to bugs@httpd.apache.org by bu...@apache.org on 2008/02/01 11:00:12 UTC

DO NOT REPLY [Bug 44338] New: - mod_deflate crashes and does not return response

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           Summary: mod_deflate crashes and does not return response
           Product: Apache httpd-2
           Version: 2.0.63
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: normal
          Priority: P2
         Component: mod_deflate
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: tom@einwaller.net


- I downloaded and installed apache_2.0.63-win32-x86-no_ssl.msi 
- activated the delfate module by adding the following line to httpd.conf

LoadModule deflate_module modules/mod_deflate.so

- configured the following compression settings:

<Location />
	# Insert filter
	AddOutputFilterByType DEFLATE text/html text/plain text/css text/javascript

	# NOTE: Due to a bug in mod_setenvif up to Apache 2.0.48
	# the above regex won't work. You can use the following
	# workaround to get the desired effect:
	BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html

	# Don't compress images
	SetEnvIfNoCase Request_URI \
	\.(?:gif|jpe?g|png|pdf|gz|zip)$ no-gzip dont-vary

	# Make sure proxies don't deliver the wrong content
	Header append Vary User-Agent env=!dont-vary
</Location>

<Files *.js>
	ForceType text/javascript
</Files>

- After restarting apache and reloading the default index.html mod_deflate
crashes and wants to start a debug session - no content is delivery to the
client browser

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DO NOT REPLY [Bug 44338] - mod_deflate crashes and does not return response

Posted by bu...@apache.org.
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG�
RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT
<http://issues.apache.org/bugzilla/show_bug.cgi?id=44338>.
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http://issues.apache.org/bugzilla/show_bug.cgi?id=44338





------- Additional Comments From serai@lans-tv.com  2008-02-01 05:07 -------
(In reply to comment #1)
> I've succeeded to reproduce the crash.

I'm able to reproduce it with the official apache_2.0.63-win32-x86-no_ssl.msi,
but I can't debug because dist/httpd/binaries/win32/symbols/apache_2.0.63-
win32-x86-no_ssl-symbols.zip is missing.
So I tried to build debug build with httpd-2.0.63-win32-src.zip, VC++2005 and 
zlib 1.1.4, and it works fine.


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DO NOT REPLY [Bug 44338] - mod_deflate crashes and does not return response

Posted by bu...@apache.org.
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG�
RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT
<http://issues.apache.org/bugzilla/show_bug.cgi?id=44338>.
ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND�
INSERTED IN THE BUG DATABASE.

http://issues.apache.org/bugzilla/show_bug.cgi?id=44338


serai@lans-tv.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |serai@lans-tv.com
           Severity|normal                      |critical




------- Additional Comments From serai@lans-tv.com  2008-02-01 03:34 -------
I've succeeded to reproduce the crash.

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DO NOT REPLY [Bug 44338] - mod_deflate crashes and does not return response

Posted by bu...@apache.org.
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG�
RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT
<http://issues.apache.org/bugzilla/show_bug.cgi?id=44338>.
ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND�
INSERTED IN THE BUG DATABASE.

http://issues.apache.org/bugzilla/show_bug.cgi?id=44338





------- Additional Comments From serai@lans-tv.com  2008-02-21 17:25 -------
apache_2.0.63-win32-x86-no_ssl-symbols.zip has become available, so I'm 
debugging the ASF official build.
but I can't find out what is wrong because of lack of my skill.


 	ntdll.dll!7c951669() 	
 	ntdll.dll!7c95082c() 	
	mod_deflate.so!gen_codes(ct_data_s * tree=0x00010008, int max_code=18, 
unsigned short * bl_count=0x00997b5c)  line 604 + 0x1a bytes	C
 	mod_deflate.so!build_tree(internal_state * s=0x0000ffff, tree_desc_s * 
desc=0x00000001)  line 700 + 0x12 bytes	C
 	mod_deflate.so!send_all_trees(internal_state * s=0x002c0000, int 
lcodes=0, int dcodes=10127080, int blcodes=666)  line 860 + 0x13 bytes	C
 	msvcrt.dll!77bdc2de() 	
 	mod_deflate.so!zcfree(void * opaque=0x00000000, void * 
ptr=0x009a86e8)  line 314 + 0xb bytes	C
 	mod_deflate.so!deflateEnd(z_stream_s * strm=0x00993818)  line 586 + 
0x12 bytes	C
 	mod_deflate.so!deflate_out_filter(ap_filter_t * f=0x00987e1d, 
apr_bucket_brigade * bb=0x009938e0)  line 502	C
 	libhttpd.dll!ap_pass_brigade(ap_filter_t * next=0x00993650, 
apr_bucket_brigade * bb=0x009937f0)  line 512 + 0x7 bytes	C
 	libhttpd.dll!default_handler(request_rec * r=0x009936b8)  line 3651
	C
 	libhttpd.dll!ap_run_handler(request_rec * r=0x00990cd8)  line 153 + 
0x1f bytes	C
 	libhttpd.dll!ap_invoke_handler(request_rec * r=0x00990cb8)  line 368
	C
 	mod_negotiation.so!handle_map_file(request_rec * r=0x0098dea8)  line 
2943	C
 	libhttpd.dll!ap_run_handler(request_rec * r=0x00986fa8)  line 153 + 
0x1f bytes	C
 	libhttpd.dll!ap_invoke_handler(request_rec * r=0x00986fa8)  line 368
	C
 	libhttpd.dll!ap_process_http_connection(conn_rec * c=0x0097f068)  line 
253 + 0x6 bytes	C
 	libhttpd.dll!ap_run_process_connection(conn_rec * c=0x0097f068)  line 
43 + 0x1f bytes	C
 	libhttpd.dll!ap_process_connection(conn_rec * c=0x0097f068, void * 
csd=0x0097ef98)  line 176 + 0x6 bytes	C
 	libhttpd.dll!worker_main(void * thread_num_val=0x0097f060)  line 734
	C
 	msvcrt.dll!77bea3b0() 	
 	kernel32.dll!7c80b703() 	


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