You are viewing a plain text version of this content. The canonical link for it is here.
Posted to bugs@httpd.apache.org by bu...@apache.org on 2009/04/22 07:50:20 UTC
DO NOT REPLY [Bug 47070] New: Segmentation fault in ap_rflush
https://issues.apache.org/bugzilla/show_bug.cgi?id=47070
Summary: Segmentation fault in ap_rflush
Product: Apache httpd-1.3
Version: 1.3.41
Platform: PC
OS/Version: FreeBSD
Status: NEW
Severity: normal
Priority: P2
Component: core
AssignedTo: bugs@httpd.apache.org
ReportedBy: kostjn@peterhost.ru
I`m get crash apache.
Backtrace
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-marcel-freebsd"...
warning: exec file is newer than core file.
Core was generated by `httpd'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libcrypt.so.3...done.
Loaded symbols for /lib/libcrypt.so.3
Reading symbols from /usr/local/lib/libexpat.so.6...done.
Loaded symbols for /usr/local/lib/libexpat.so.6
Reading symbols from /lib/libutil.so.5...done.
Loaded symbols for /lib/libutil.so.5
Reading symbols from /usr/local/lib/libsqlite3.so.8...done.
Loaded symbols for /usr/local/lib/libsqlite3.so.8
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /usr/local/libexec/apache/mod_env.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_env.so
Reading symbols from /usr/local/libexec/apache/mod_log_config.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_log_config.so
Reading symbols from /usr/local/libexec/apache/mod_mime_magic.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_mime_magic.so
Reading symbols from /usr/local/libexec/apache/mod_mime.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_mime.so
Reading symbols from /usr/local/libexec/apache/mod_negotiation.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_negotiation.so
Reading symbols from /usr/local/libexec/apache/mod_status.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_status.so
Reading symbols from /usr/local/libexec/apache/mod_info.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_info.so
Reading symbols from /usr/local/libexec/apache/mod_include.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_include.so
Reading symbols from /usr/local/libexec/apache/mod_autoindex.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_autoindex.so
Reading symbols from /usr/local/libexec/apache/mod_dir.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_dir.so
Reading symbols from /usr/local/libexec/apache/mod_cgi.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_cgi.so
Reading symbols from /usr/local/libexec/apache/mod_actions.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_actions.so
Reading symbols from /usr/local/libexec/apache/mod_speling.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_speling.so
Reading symbols from /usr/local/libexec/apache/mod_alias.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_alias.so
Reading symbols from /usr/local/libexec/apache/mod_rewrite.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_rewrite.so
Reading symbols from /usr/local/libexec/apache/mod_access.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_access.so
Reading symbols from /usr/local/libexec/apache/mod_auth.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_auth.so
Reading symbols from /usr/local/libexec/apache/mod_expires.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_expires.so
Reading symbols from /usr/local/libexec/apache/mod_headers.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_headers.so
Reading symbols from /usr/local/libexec/apache/mod_setenvif.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_setenvif.so
Reading symbols from /usr/local/libexec/apache/libphp5.so...done.
Loaded symbols for /usr/local/libexec/apache/libphp5.so
Reading symbols from /usr/lib/libssl.so.4...done.
Loaded symbols for /usr/lib/libssl.so.4
Reading symbols from /lib/libcrypto.so.4...done.
Loaded symbols for /lib/libcrypto.so.4
Reading symbols from /lib/libm.so.4...done.
Loaded symbols for /lib/libm.so.4
Reading symbols from /usr/local/lib/libxml2.so.5...done.
Loaded symbols for /usr/local/lib/libxml2.so.5
Reading symbols from /lib/libz.so.3...done.
Loaded symbols for /lib/libz.so.3
Reading symbols from /usr/local/lib/libiconv.so.3...done.
Loaded symbols for /usr/local/lib/libiconv.so.3
Reading symbols from /usr/local/libexec/apache/mod_extract_forwarded.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_extract_forwarded.so
Reading symbols from
/usr/local/php5/lib/php/20060613/ZendExtensionManager.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/ZendExtensionManager.so
Reading symbols from /usr/local/php5/lib/php/20060613/bcmath.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/bcmath.so
Reading symbols from /usr/local/php5/lib/php/20060613/bz2.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/bz2.so
Reading symbols from /usr/lib/libbz2.so.2...done.
Loaded symbols for /usr/lib/libbz2.so.2
Reading symbols from /usr/local/php5/lib/php/20060613/calendar.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/calendar.so
Reading symbols from /usr/local/php5/lib/php/20060613/ctype.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/ctype.so
Reading symbols from /usr/local/php5/lib/php/20060613/curl.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/curl.so
Reading symbols from /usr/local/lib/libcurl.so.5...done.
Loaded symbols for /usr/local/lib/libcurl.so.5
Reading symbols from /usr/local/php5/lib/php/20060613/dba.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/dba.so
Reading symbols from /usr/local/php5/lib/php/20060613/dbase.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/dbase.so
Reading symbols from /usr/local/php5/lib/php/20060613/dom.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/dom.so
Reading symbols from /usr/local/php5/lib/php/20060613/exif.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/exif.so
Reading symbols from /usr/local/php5/lib/php/20060613/ftp.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/ftp.so
Reading symbols from /usr/local/php5/lib/php/20060613/gd.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/gd.so
Reading symbols from /usr/local/lib/libt1.so.5...done.
Loaded symbols for /usr/local/lib/libt1.so.5
Reading symbols from /usr/local/lib/libfreetype.so.9...done.
Loaded symbols for /usr/local/lib/libfreetype.so.9
Reading symbols from /usr/local/lib/libpng.so.5...done.
Loaded symbols for /usr/local/lib/libpng.so.5
Reading symbols from /usr/local/lib/libjpeg.so.9...done.
Loaded symbols for /usr/local/lib/libjpeg.so.9
Reading symbols from /usr/local/php5/lib/php/20060613/gettext.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/gettext.so
Reading symbols from /usr/local/lib/libintl.so.8...done.
Loaded symbols for /usr/local/lib/libintl.so.8
Reading symbols from /usr/local/php5/lib/php/20060613/iconv.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/iconv.so
Reading symbols from /usr/local/php5/lib/php/20060613/mbstring.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/mbstring.so
Reading symbols from /usr/local/php5/lib/php/20060613/mcrypt.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/mcrypt.so
Reading symbols from /usr/local/lib/libmcrypt.so.8...done.
Loaded symbols for /usr/local/lib/libmcrypt.so.8
Reading symbols from /usr/local/lib/libltdl.so.4...done.
Loaded symbols for /usr/local/lib/libltdl.so.4
Reading symbols from /usr/local/php5/lib/php/20060613/mhash.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/mhash.so
Reading symbols from /usr/local/lib/libmhash.so.2...done.
Loaded symbols for /usr/local/lib/libmhash.so.2
Reading symbols from /usr/local/php5/lib/php/20060613/mysql.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/mysql.so
Reading symbols from /usr/local/lib/mysql/libmysqlclient.so.14...done.
Loaded symbols for /usr/local/lib/mysql/libmysqlclient.so.14
Reading symbols from /usr/local/php5/lib/php/20060613/zlib.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/zlib.so
Reading symbols from /usr/local/php5/lib/php/20060613/pdo.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/pdo.so
Reading symbols from /usr/local/php5/lib/php/20060613/pdo_sqlite.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/pdo_sqlite.so
Reading symbols from /usr/local/php5/lib/php/20060613/pdo_mysql.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/pdo_mysql.so
Reading symbols from /usr/local/php5/lib/php/20060613/posix.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/posix.so
Reading symbols from /usr/local/php5/lib/php/20060613/readline.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/readline.so
Reading symbols from /usr/lib/libhistory.so.6...done.
Loaded symbols for /usr/lib/libhistory.so.6
Reading symbols from /lib/libreadline.so.6...done.
Loaded symbols for /lib/libreadline.so.6
Reading symbols from /lib/libncurses.so.6...done.
Loaded symbols for /lib/libncurses.so.6
Reading symbols from /usr/local/php5/lib/php/20060613/session.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/session.so
Reading symbols from /usr/local/php5/lib/php/20060613/simplexml.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/simplexml.so
Reading symbols from /usr/local/php5/lib/php/20060613/soap.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/soap.so
Reading symbols from /usr/local/php5/lib/php/20060613/sockets.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/sockets.so
Reading symbols from /usr/local/php5/lib/php/20060613/spl.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/spl.so
Reading symbols from /usr/local/php5/lib/php/20060613/tokenizer.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/tokenizer.so
Reading symbols from /usr/local/php5/lib/php/20060613/xml.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/xml.so
Reading symbols from /usr/local/php5/lib/php/20060613/wddx.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/wddx.so
Reading symbols from /usr/local/php5/lib/php/20060613/xmlreader.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/xmlreader.so
Reading symbols from /usr/local/php5/lib/php/20060613/xmlrpc.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/xmlrpc.so
Reading symbols from /usr/local/php5/lib/php/20060613/xmlwriter.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/xmlwriter.so
Reading symbols from /usr/local/php5/lib/php/20060613/xsl.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/xsl.so
Reading symbols from /usr/local/lib/libexslt.so.8...done.
Loaded symbols for /usr/local/lib/libexslt.so.8
Reading symbols from /usr/local/lib/libxslt.so.2...done.
Loaded symbols for /usr/local/lib/libxslt.so.2
Reading symbols from /usr/local/php5/lib/php/20060613/zip.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/zip.so
Reading symbols from /usr/local/php5/lib/php/20060613/mysqli.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/mysqli.so
Reading symbols from /usr/local/php5/lib/php/20060613/hash.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/hash.so
Reading symbols from /usr/local/php5/lib/php/20060613/json.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/json.so
Reading symbols from /usr/local/php5/lib/php/20060613/eaccelerator.so...done.
Loaded symbols for /usr/local/php5/lib/php/20060613/eaccelerator.so
Reading symbols from
/usr/local/php5/lib/php/20060613/Optimizer/php-5.2.x/ZendOptimizer.so...done.
Loaded symbols for
/usr/local/php5/lib/php/20060613/Optimizer/php-5.2.x/ZendOptimizer.so
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0 ap_rflush (r=0x842a3bc) at http_protocol.c:2824
2824 http_protocol.c: No such file or directory.
in http_protocol.c
(gdb) btfull
Undefined command: "btfull". Try "help".
(gdb) bt full
#0 ap_rflush (r=0x842a3bc) at http_protocol.c:2824
No locals.
#1 0x383d9474 in sapi_flush () at
/home/subadm/ports/lang/php5/work/php-5.2.8/main/SAPI.c:922
No locals.
#2 0x383d3102 in php_module_shutdown () at
/home/subadm/ports/lang/php5/work/php-5.2.8/main/main.c:1904
No locals.
#3 0x383d31bb in php_module_shutdown_wrapper (sapi_globals=0x385329c0)
at /home/subadm/ports/lang/php5/work/php-5.2.8/main/main.c:1877
No locals.
#4 0x08053ff3 in ap_child_exit_modules (p=0x841d00c, s=0x808d034) at
http_config.c:1637
m = (module *) 0x38532880
#5 0x0805945d in clean_child_exit (code=0) at http_main.c:546
No locals.
#6 0x0805a91b in child_main (child_num_arg=138580020) at http_main.c:4927
conn_io = (BUFF *) 0x8
r = (request_rec *) 0xc3
clen = 16
sa_server = {sa_len = 16 '\020', sa_family = 2 '\002',
sa_data = "\000P\177\000\000\001\000\000\000\000\000\000\000"}
sa_client = {sa_len = 16 '\020', sa_family = 2 '\002',
sa_data = "ΠΆ\037\177\000\000\001\000\000\000\000\000\000\000"}
#7 0x0805ae77 in make_child (s=0x1e, slot=123, now=944275504) at
http_main.c:5071
pid = 0
#8 0x0805c2d6 in standalone_main (argc=0, argv=0x38488030) at http_main.c:5272
ps = (parent_score *) 0x1
remaining_children_to_start = 0
#9 0x0805cd10 in main (argc=1, argv=0xbfbfeca0) at http_main.c:5795
c = 0
sock_in = -1077941088
sock_out = 940043145
s = 0x0
-------------------------------------------------------------------------
uname -a
FreeBSD point.z8.ru 6.4-RELEASE-p3 FreeBSD 6.4-RELEASE-p3 #0: Mon Mar 23
15:01:39 MSK 2009 root@build.pht:/usr/src/sys/i386/compile/VH_6.4_32_01
i386
-------------------------------------------------------------------------
/usr/local/sbin/httpd -V
Server version: Apache/1.3.41 (Unix)
Server built: Apr 21 2009 09:35:38
Server's Module Magic Number: 19990320:18
Server compiled with....
-D BIG_SECURITY_HOLE
-D HAVE_MMAP
-D USE_MMAP_SCOREBOARD
-D USE_MMAP_FILES
-D HAVE_FLOCK_SERIALIZED_ACCEPT
-D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
-D DYNAMIC_MODULE_LIMIT=64
-D HARD_SERVER_LIMIT=512
-D SO_ACCEPTFILTER
-D ACCEPT_FILTER_NAME="httpready"
-D HTTPD_ROOT="/usr/local"
-D SUEXEC_BIN="/usr/local/sbin/suexec"
-D DEFAULT_PIDLOG="/var/run/httpd.pid"
-D DEFAULT_SCOREBOARD="/var/run/httpd.scoreboard"
-D DEFAULT_LOCKFILE="/var/run/httpd.lock"
-D DEFAULT_ERRORLOG="/var/log/httpd-error.log"
-D TYPES_CONFIG_FILE="etc/apache/mime.types"
-D SERVER_CONFIG_FILE="etc/apache/httpd.conf"
-D ACCESS_CONFIG_FILE="etc/apache/access.conf"
-D RESOURCE_CONFIG_FILE="etc/apache/srm.conf"
------------------------------------------------------------
I`m write simple patch to avoid this problem
--- /usr/ports/www/apache13/work/apache_1.3.41/src/main/http_protocol.c
2006-07-12 12:16:05.000000000 +0400
+++ ./src/main/http_protocol.c 2009-04-21 09:33:44.000000000 +0400
@@ -2820,6 +2820,9 @@
API_EXPORT(int) ap_rflush(request_rec *r)
{
+ if (r->connection == NULL){
+ return EOF;
+ }
if (ap_bflush(r->connection->client) < 0) {
if (!r->connection->aborted) {
ap_log_rerror(APLOG_MARK, APLOG_INFO, r,
--
Configure bugmail: https://issues.apache.org/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.
---------------------------------------------------------------------
To unsubscribe, e-mail: bugs-unsubscribe@httpd.apache.org
For additional commands, e-mail: bugs-help@httpd.apache.org
DO NOT REPLY [Bug 47070] Segmentation fault in ap_rflush
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=47070
Nick Kew <ni...@webthing.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |INVALID
--- Comment #1 from Nick Kew <ni...@webthing.com> 2009-04-21 23:56:19 PST ---
Your traceback shows ap_rflush being called during shutdown. There is no valid
request_rec, so of course it segfaults. The bug is in the caller, which is
PHP.
--
Configure bugmail: https://issues.apache.org/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.
---------------------------------------------------------------------
To unsubscribe, e-mail: bugs-unsubscribe@httpd.apache.org
For additional commands, e-mail: bugs-help@httpd.apache.org