https://issues.apache.org/bugzilla/show_bug.cgi?id=54698
Bug ID: 54698
Summary: Segmentation Fault with SSLProxyMachineCertificateFile
Product: Apache httpd-2
Version: 2.2.24
Hardware: Other
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: mod_proxy
Assignee: [email protected]
Reporter: [email protected]
Classification: Unclassified
Client -> Proxy -> WebServer without client auth = OK
Client -> Proxy -> WebServer with client auth & SSLProxyMachineCertificateFile
=KO
Apache compiled fron sources:
./configure --prefix=/usr/local/apache2 --enable-module=most
--enable-shared=max --enable-rewrite --enable-unique-id --enable-proxy-http
--enable-proxy --enable-proxy-connect --enable-ssl
Server version: Apache/2.2.24 (Unix)
Server built: Mar 14 2013 17:46:34
Server's Module Magic Number: 20051115:31
Server loaded: APR 1.4.2, APR-Util 1.3.9
Compiled using: APR 1.4.2, APR-Util 1.3.9
Architecture: 32-bit
Server MPM: Prefork
threaded: no
forked: yes (variable process count)
Server compiled with....
-D APACHE_MPM_DIR="server/mpm/prefork"
-D APR_HAS_SENDFILE
-D APR_HAS_MMAP
-D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
-D APR_USE_SYSVSEM_SERIALIZE
-D APR_USE_PTHREAD_SERIALIZE
-D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
-D APR_HAS_OTHER_CHILD
-D AP_HAVE_RELIABLE_PIPED_LOGS
-D DYNAMIC_MODULE_LIMIT=128
-D HTTPD_ROOT="/usr/local/apache2"
-D SUEXEC_BIN="/usr/local/apache2/bin/suexec"
-D DEFAULT_PIDLOG="logs/httpd.pid"
-D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
-D DEFAULT_LOCKFILE="logs/accept.lock"
-D DEFAULT_ERRORLOG="logs/error_log"
-D AP_TYPES_CONFIG_FILE="conf/mime.types"
-D SERVER_CONFIG_FILE="conf/httpd.conf"
root# ldd /usr/local/apache2/bin/httpd
linux-gate.so.1 => (0xb7771000)
libssl.so.0.9.8 => /usr/lib/i686/cmov/libssl.so.0.9.8 (0xb771f000)
libcrypto.so.0.9.8 => /usr/lib/i686/cmov/libcrypto.so.0.9.8 (0xb75c7000)
libm.so.6 => /lib/libm.so.6 (0xb75a0000)
libaprutil-1.so.0 => /usr/lib/libaprutil-1.so.0 (0xb7580000)
libdb-4.8.so => /usr/lib/libdb-4.8.so (0xb741a000)
libapr-1.so.0 => /usr/lib/libapr-1.so.0 (0xb73ec000)
libpthread.so.0 => /lib/libpthread.so.0 (0xb73d3000)
libc.so.6 => /lib/libc.so.6 (0xb728e000)
libdl.so.2 => /lib/libdl.so.2 (0xb7289000)
libz.so.1 => /usr/lib/libz.so.1 (0xb7275000)
/lib/ld-linux.so.2 (0xb7772000)
libuuid.so.1 => /lib/libuuid.so.1 (0xb7271000)
librt.so.1 => /lib/librt.so.1 (0xb7268000)
libcrypt.so.1 => /lib/libcrypt.so.1 (0xb7236000)
libexpat.so.1 => /usr/lib/libexpat.so.1 (0xb720f000)
Error Log
[Thu Mar 14 18:45:22 2013] [info] mod_unique_id: using ip addr 192.168.0.77
[Thu Mar 14 18:45:23 2013] [info] Init: Seeding PRNG with 136 bytes of entropy
[Thu Mar 14 18:45:23 2013] [info] Loading certificate & private key of
SSL-aware server
[Thu Mar 14 18:45:23 2013] [debug] ssl_engine_pphrase.c(470): unencrypted RSA
private key - pass phrase not required
[Thu Mar 14 18:45:23 2013] [info] Init: Generating temporary RSA private keys
(512/1024 bits)
[Thu Mar 14 18:45:23 2013] [info] Init: Generating temporary DH parameters
(512/1024 bits)
[Thu Mar 14 18:45:23 2013] [info] Init: Initializing (virtual) servers for SSL
[Thu Mar 14 18:45:23 2013] [info] Configuring server for SSL protocol
[Thu Mar 14 18:45:23 2013] [debug] ssl_engine_init.c(471): Creating new SSL
context (protocols: SSLv3, TLSv1)
[Thu Mar 14 18:45:23 2013] [debug] ssl_engine_init.c(706): Configuring
permitted SSL ciphers [HIGH:MEDIUM:!aNULL:!MD5]
[Thu Mar 14 18:45:23 2013] [debug] ssl_engine_init.c(420): Configuring TLS
extension handling
[Thu Mar 14 18:45:23 2013] [debug] ssl_engine_init.c(837): Configuring RSA
server certificate
[Thu Mar 14 18:45:23 2013] [warn] RSA server certificate CommonName (CN)
`proxy.company.com' does NOT match server name!?
[Thu Mar 14 18:45:23 2013] [debug] ssl_engine_init.c(876): Configuring RSA
server private key
[Thu Mar 14 18:45:23 2013] [info] mod_ssl/2.2.24 compiled against Server:
Apache/2.2.24, Library: OpenSSL/0.9.8o
[Thu Mar 14 18:45:23 2013] [info] mod_unique_id: using ip addr 192.168.0.77
[Thu Mar 14 18:45:24 2013] [info] Init: Seeding PRNG with 136 bytes of entropy
[Thu Mar 14 18:45:24 2013] [info] Loading certificate & private key of
SSL-aware server
[Thu Mar 14 18:45:24 2013] [debug] ssl_engine_pphrase.c(470): unencrypted RSA
private key - pass phrase not required
[Thu Mar 14 18:45:24 2013] [info] Init: Generating temporary RSA private keys
(512/1024 bits)
[Thu Mar 14 18:45:24 2013] [info] Init: Generating temporary DH parameters
(512/1024 bits)
[Thu Mar 14 18:45:24 2013] [debug] ssl_scache_shmcb.c(253): shmcb_init
allocated 512000 bytes of shared memory
[Thu Mar 14 18:45:24 2013] [debug] ssl_scache_shmcb.c(272): for 511952 bytes
(512000 including header), recommending 32 subcaches, 133 indexes each
[Thu Mar 14 18:45:24 2013] [debug] ssl_scache_shmcb.c(306): shmcb_init_memory
choices follow
[Thu Mar 14 18:45:24 2013] [debug] ssl_scache_shmcb.c(308): subcache_num = 32
[Thu Mar 14 18:45:24 2013] [debug] ssl_scache_shmcb.c(310): subcache_size =
15996
[Thu Mar 14 18:45:24 2013] [debug] ssl_scache_shmcb.c(312):
subcache_data_offset = 2144
[Thu Mar 14 18:45:24 2013] [debug] ssl_scache_shmcb.c(314): subcache_data_size
= 13852
[Thu Mar 14 18:45:24 2013] [debug] ssl_scache_shmcb.c(316): index_num = 133
[Thu Mar 14 18:45:24 2013] [info] Shared memory session cache initialised
[Thu Mar 14 18:45:24 2013] [info] Init: Initializing (virtual) servers for SSL
[Thu Mar 14 18:45:24 2013] [info] Configuring server for SSL protocol
[Thu Mar 14 18:45:24 2013] [debug] ssl_engine_init.c(471): Creating new SSL
context (protocols: SSLv3, TLSv1)
[Thu Mar 14 18:45:24 2013] [debug] ssl_engine_init.c(706): Configuring
permitted SSL ciphers [HIGH:MEDIUM:!aNULL:!MD5]
[Thu Mar 14 18:45:24 2013] [debug] ssl_engine_init.c(420): Configuring TLS
extension handling
[Thu Mar 14 18:45:24 2013] [debug] ssl_engine_init.c(837): Configuring RSA
server certificate
[Thu Mar 14 18:45:24 2013] [warn] RSA server certificate CommonName (CN)
`proxy.company.com' does NOT match server name!?
[Thu Mar 14 18:45:24 2013] [debug] ssl_engine_init.c(876): Configuring RSA
server private key
[Thu Mar 14 18:45:24 2013] [info] mod_ssl/2.2.24 compiled against Server:
Apache/2.2.24, Library: OpenSSL/0.9.8o
[Thu Mar 14 18:45:24 2013] [warn] pid file /usr/local/apache2/logs/httpd.pid
overwritten -- Unclean shutdown of previous Apache run?
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1820): proxy: grabbed
scoreboard slot 1 in child 5507 for worker proxy:reverse
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1936): proxy: initialized
single connection worker 1 in child 5507 for (*)
[Thu Mar 14 18:45:24 2013] [notice] Apache/2.2.24 (Unix) mod_ssl/2.2.24
OpenSSL/0.9.8o configured -- resuming normal operations
[Thu Mar 14 18:45:24 2013] [info] Server built: Mar 14 2013 17:46:34
[Thu Mar 14 18:45:24 2013] [debug] prefork.c(1023): AcceptMutex: sysvsem
(default: sysvsem)
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1820): proxy: grabbed
scoreboard slot 1 in child 5509 for worker proxy:reverse
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1839): proxy: worker
proxy:reverse already initialized
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1820): proxy: grabbed
scoreboard slot 1 in child 5510 for worker proxy:reverse
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1839): proxy: worker
proxy:reverse already initialized
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1936): proxy: initialized
single connection worker 1 in child 5509 for (*)
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1936): proxy: initialized
single connection worker 1 in child 5510 for (*)
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1820): proxy: grabbed
scoreboard slot 1 in child 5511 for worker proxy:reverse
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1820): proxy: grabbed
scoreboard slot 1 in child 5508 for worker proxy:reverse
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1839): proxy: worker
proxy:reverse already initialized
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1839): proxy: worker
proxy:reverse already initialized
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1936): proxy: initialized
single connection worker 1 in child 5511 for (*)
[Thu Mar 14 18:45:24 2013] [debug] proxy_util.c(1936): proxy: initialized
single connection worker 1 in child 5508 for (*)
[Thu Mar 14 18:45:35 2013] [debug] proxy_util.c(1820): proxy: grabbed
scoreboard slot 1 in child 5514 for worker proxy:reverse
[Thu Mar 14 18:45:35 2013] [debug] proxy_util.c(1839): proxy: worker
proxy:reverse already initialized
[Thu Mar 14 18:45:35 2013] [debug] proxy_util.c(1936): proxy: initialized
single connection worker 1 in child 5514 for (*)
[Thu Mar 14 18:45:41 2013] [notice] child pid 5510 exit signal Segmentation
fault (11)
(gdb) backtrace
#0 0xb7ef6ff8 in EVP_PKEY_cmp () from /usr/lib/i686/cmov/libcrypto.so.0.9.8
#1 0xb7f21cb6 in X509_check_private_key () from
/usr/lib/i686/cmov/libcrypto.so.0.9.8
#2 0xb7fcd1ed in ?? () from /usr/lib/i686/cmov/libssl.so.0.9.8
#3 0xb7fa9150 in ssl3_send_client_certificate () from
/usr/lib/i686/cmov/libssl.so.0.9.8
#4 0xb7facb37 in ssl3_connect () from /usr/lib/i686/cmov/libssl.so.0.9.8
#5 0xb7fc424a in SSL_connect () from /usr/lib/i686/cmov/libssl.so.0.9.8
#6 0xb7fb5b33 in ssl23_connect () from /usr/lib/i686/cmov/libssl.so.0.9.8
#7 0xb7fc424a in SSL_connect () from /usr/lib/i686/cmov/libssl.so.0.9.8
#8 0x080c8043 in ssl_io_filter_connect ()
#9 0x080c8d35 in ssl_io_filter_output ()
#10 0x08093466 in ap_pass_brigade ()
#11 0x080b402e in pass_brigade ()
#12 0x080b483c in stream_reqbody_cl ()
#13 0x080b5ec5 in ap_proxy_http_request ()
#14 0x080b7b82 in proxy_http_handler ()
#15 0x080a7fd0 in proxy_run_scheme_handler ()
#16 0x080a4d7a in proxy_handler ()
#17 0x08087497 in ap_run_handler ()
#18 0x08087bc2 in ap_invoke_handler ()
#19 0x080dc0d2 in ap_process_request ()
#20 0x080d90e5 in ap_process_http_connection ()
#21 0x0808f477 in ap_run_process_connection ()
#22 0x0808f88b in ap_process_connection ()
#23 0x080fdc32 in child_main ()
#24 0x080fdd33 in make_child ()
#25 0x080fe2ce in ap_mpm_run ()
#26 0x08071239 in main ()
Thanks for help,
Tell me if you want more.
Alain
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