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Posted to bugs@httpd.apache.org by bu...@apache.org on 2006/04/10 14:17:30 UTC
DO NOT REPLY [Bug 39259] New: - SIGSEGV on mod_cache
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Summary: SIGSEGV on mod_cache
Product: Apache httpd-2
Version: 2.2-HEAD
Platform: Other
OS/Version: other
Status: NEW
Severity: normal
Priority: P2
Component: mod_cache
AssignedTo: bugs@httpd.apache.org
ReportedBy: davi@haxent.com.br
The function uri_meets_conditions() expects r->parsed_uri.path to not
be NULL, but an "invalid" GET request may lead to a NULL path, e.g.:
GET http://www.foo.bar HTTP/1.1
This causes a call to strncmp with a NULL value, backtrace:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 46912499703168 (LWP 619)]
0x0000003703470004 in strncmp () from /lib64/tls/libc.so.6
(gdb) bt
#0 0x0000003703470004 in strncmp () from /lib64/tls/libc.so.6
#1 0x00000000004421a5 in uri_meets_conditions (filter=
{scheme = 0x0, hostinfo = 0x0, user = 0x0, password = 0x0, hostname = 0x0,
port_str = 0x0, path = 0x651800 "/", query = 0x0, fragment = 0x0, hostent = 0x0,
port = 0, is_initialized = 1, dns_looked_up = 0, dns_resolved = 0}, pathlen=1, url=
{scheme = 0x6c2800 "http", hostinfo = 0x6c2808 "login.yahoo.com",
user = 0x0, password = 0x0, hostname = 0x6c2818 "login.yahoo.com", port_str =
0x0, path = 0x0, query = 0x0, fragment = 0x0, hostent = 0x0, port = 0,
is_initialized = 1, dns_looked_up = 0, dns_resolved = 0})
at cache_util.c:71
#2 0x000000000044237b in ap_cache_get_providers (r=0x6c11b8, conf=0x666840, uri=
{scheme = 0x6c2800 "http", hostinfo = 0x6c2808 "login.yahoo.com", user
= 0x0, password = 0x0, hostname = 0x6c2818 "login.yahoo.com", port_str = 0x0,
path = 0x0, query = 0x0, fragment = 0x0, hostent = 0x0, port = 0, is_initialized
= 1, dns_looked_up = 0, dns_resolved = 0})
at cache_util.c:85
#3 0x000000000044012e in cache_url_handler (r=0x6c11b8, lookup=0) at mod_cache.c:71
#4 0x0000000000434d71 in ap_run_quick_handler (r=0x6c11b8, lookup=0) at
config.c:160
#5 0x000000000046677f in ap_process_request (r=0x6c11b8) at http_request.c:254
#6 0x00000000004642fd in ap_process_http_connection (c=0x6b9368) at http_core.c:171
#7 0x000000000043b3f3 in ap_run_process_connection (c=0x6b9368) at connection.c:43
#8 0x0000000000477de0 in child_main (child_num_arg=Variable "child_num_arg" is
not available.
) at prefork.c:640
#9 0x00000000004780a6 in make_child (s=0x5c5098, slot=0) at prefork.c:680
#10 0x0000000000478667 in ap_mpm_run (_pconf=Variable "_pconf" is not available.
) at prefork.c:956
#11 0x0000000000422b25 in main (argc=4, argv=0x7fffffccad28) at main.c:712
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DO NOT REPLY [Bug 39259] - SIGSEGV on mod_cache
Posted by bu...@apache.org.
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------- Additional Comments From davi@haxent.com.br 2006-05-03 02:46 -------
Ping ?
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DO NOT REPLY [Bug 39259] - SIGSEGV on mod_cache
Posted by bu...@apache.org.
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rpluem@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|mod_cache |APR-util
Product|Apache httpd-2 |APR
Version|2.3-HEAD |HEAD
------- Additional Comments From rpluem@apache.org 2006-05-03 19:48 -------
I changed product to apr as this should be fixed inside of apr_uri_parse in
apr-utils as Roy pointed out during discussion on the dev list:
http://mail-archives.apache.org/mod_mbox/httpd-dev/200604.mbox/%3c0E115721-5B8E-40D1-95A3-6587223DDC6B@gbiv.com%3e
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DO NOT REPLY [Bug 39259] - SIGSEGV on mod_cache
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rpluem@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Version|2.2-HEAD |2.3-HEAD
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DO NOT REPLY [Bug 39259] - SIGSEGV on mod_cache
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------- Additional Comments From davi@haxent.com.br 2006-04-10 13:18 -------
Created an attachment (id=18050)
--> (http://issues.apache.org/bugzilla/attachment.cgi?id=18050&action=view)
Patch against 2.2.x
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DO NOT REPLY [Bug 39259] - SIGSEGV on mod_cache
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davi@haxent.com.br changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |PatchAvailable
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DO NOT REPLY [Bug 39259] - SIGSEGV on mod_cache
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------- Additional Comments From davi@haxent.com.br 2006-04-10 23:48 -------
Created an attachment (id=18054)
--> (http://issues.apache.org/bugzilla/attachment.cgi?id=18054&action=view)
abs_path fix
Setting an empty abs_path to "/" is HTTP specific.
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DO NOT REPLY [Bug 39259] - SIGSEGV on mod_cache
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davi@haxent.com.br changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
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DO NOT REPLY [Bug 39259] - SIGSEGV on mod_cache
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davi@haxent.com.br changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #18050|0 |1
is obsolete| |
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DO NOT REPLY [Bug 39259] - SIGSEGV on mod_cache
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------- Additional Comments From rpluem@apache.org 2006-04-10 21:01 -------
Committed to trunk as r393037
(http://svn.apache.org/viewcvs?rev=393037&view=rev). Thanks.
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DO NOT REPLY [Bug 39259] - SIGSEGV on mod_cache
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rpluem@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |
------- Additional Comments From rpluem@apache.org 2006-04-10 23:08 -------
Reopen the PR as the attached patch was vetoed.
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wrowe@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|bugs@httpd.apache.org |bugs@apr.apache.org
Status|REOPENED |NEW
------- Additional Comments From wrowe@apache.org 2006-09-19 19:54 -------
Mass reassign the 44 open apr-bugs to apr bug list
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