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Description of problem: When accessed long URI location that configured by AliasMatch directive, Apache failed to allocate memory and process aborted. Version-Release number of selected component (if applicable): httpd-2.4.9-2.fc20.x86_64 httpd-devel-2.4.9-2.fc20.x86_64 httpd-tools-2.4.9-2.fc20.x86_64 How reproducible: Everytime. Steps to Reproduce: # prepare test file. echo "<html>hello</html>" > /var/www/html/index.html # add config to apache echo "AliasMatch ^/alias-test/ /var/www/html/index.html" > /etc/httpd/conf.modules.d/02-alias-test.conf # (re)start httpd systemctl restart httpd.service Actual results: # When I request short URI, the response is good as follow: [takayuki@localhost ~]$ wget -t1 -O - -S -v http://127.0.0.1/alias-test/short_uri --2014-07-16 14:04:38-- http://127.0.0.1/alias-test/short_uri Connecting to 127.0.0.1:80... connected. HTTP request sent, awaiting response... HTTP/1.1 200 OK Date: Wed, 16 Jul 2014 05:04:38 GMT Server: Apache/2.4.9 (Fedora) Last-Modified: Wed, 16 Jul 2014 04:49:10 GMT ETag: "13-4fe483eb8a9d6" Accept-Ranges: bytes Content-Length: 19 Keep-Alive: timeout=5, max=100 Connection: Keep-Alive Content-Type: text/html; charset=UTF-8 Length: 19 [text/html] Saving to: 'STDOUT' 0% [ ] 0 --.-K/s <html>hello</html> 100%[=========================================================================================>] 19 --.-K/s in 0s 2014-07-16 14:04:38 (2.03 MB/s) - written to stdout [19/19] # When I request log URI, the connection is closed and Apache logged error as follow: [takayuki@localhost ~]$ wget -t1 -O - -S -v http://127.0.0.1/alias-test/very_looooooooooooooooooooooong_uri --2014-07-16 14:07:40-- http://127.0.0.1/alias-test/very_looooooooooooooooooooooong_uri Connecting to 127.0.0.1:80... connected. HTTP request sent, awaiting response... No data received. Giving up. [root@localhost takayuki]# tail /var/log/httpd/error_log [crit] Memory allocation failed, aborting process. [Wed Jul 16 14:03:17.231921 2014] [core:notice] [pid 21808] AH00052: child pid 21809 exit signal Aborted (6) [crit] Memory allocation failed, aborting process. [Wed Jul 16 14:03:23.239149 2014] [core:notice] [pid 21808] AH00052: child pid 21812 exit signal Aborted (6) [crit] Memory allocation failed, aborting process. [Wed Jul 16 14:07:40.487959 2014] [core:notice] [pid 21808] AH00052: child pid 21945 exit signal Aborted (6) Additional info: [root@localhost conf]# diff /etc/httpd/conf/httpd.conf.orig /etc/httpd/conf/httpd.conf 104c104,105 < Require all denied --- > # Require all denied > Require all granted [root@localhost takayuki]# httpd -l Compiled in modules: core.c mod_so.c http_core.c [root@localhost takayuki]# httpd -M AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using localhost.localdomain. Set the 'ServerName' directive globally to suppress this message Loaded Modules: core_module (static) so_module (static) http_module (static) access_compat_module (shared) actions_module (shared) alias_module (shared) allowmethods_module (shared) auth_basic_module (shared) auth_digest_module (shared) authn_anon_module (shared) authn_core_module (shared) authn_dbd_module (shared) authn_dbm_module (shared) authn_file_module (shared) authn_socache_module (shared) authz_core_module (shared) authz_dbd_module (shared) authz_dbm_module (shared) authz_groupfile_module (shared) authz_host_module (shared) authz_owner_module (shared) authz_user_module (shared) autoindex_module (shared) cache_module (shared) cache_disk_module (shared) data_module (shared) dbd_module (shared) deflate_module (shared) dir_module (shared) dumpio_module (shared) echo_module (shared) env_module (shared) expires_module (shared) ext_filter_module (shared) filter_module (shared) headers_module (shared) include_module (shared) info_module (shared) log_config_module (shared) logio_module (shared) macro_module (shared) mime_magic_module (shared) mime_module (shared) negotiation_module (shared) remoteip_module (shared) reqtimeout_module (shared) rewrite_module (shared) setenvif_module (shared) slotmem_plain_module (shared) slotmem_shm_module (shared) socache_dbm_module (shared) socache_memcache_module (shared) socache_shmcb_module (shared) status_module (shared) substitute_module (shared) suexec_module (shared) unique_id_module (shared) unixd_module (shared) userdir_module (shared) version_module (shared) vhost_alias_module (shared) dav_module (shared) dav_fs_module (shared) dav_lock_module (shared) lua_module (shared) mpm_prefork_module (shared) proxy_module (shared) lbmethod_bybusyness_module (shared) lbmethod_byrequests_module (shared) lbmethod_bytraffic_module (shared) lbmethod_heartbeat_module (shared) proxy_ajp_module (shared) proxy_balancer_module (shared) proxy_connect_module (shared) proxy_express_module (shared) proxy_fcgi_module (shared) proxy_fdpass_module (shared) proxy_ftp_module (shared) proxy_http_module (shared) proxy_scgi_module (shared) systemd_module (shared) cgi_module (shared)
Thanks for the report, I'm able to reproduce it. I will try to fix it and propose the fix upstream.
It's fixed upstream in http://svn.apache.org/viewvc?view=revision&revision=1583175
This bug is fixed in httpd-2.4.10-1.fc20.x86_64. Thank you.