нахождение виновника в segmentation fault httpd
Доброго дня коллеги! Есть проблема с крашем httpd по segmentation fault на centos 5.8.
Linux test 2.6.18-308.1.1.el5PAE #1 SMP Wed Mar 7 04:57:46 EST 2012 i686 athlon i386 GNU/Linux
# httpd -V
Server version: Apache/2.2.3
Server built: Feb 23 2012 21:16:57
Server's Module Magic Number: 20051115:3
Server loaded: APR 1.2.7, APR-Util 1.3.9
Compiled using: APR 1.2.7, APR-Util 1.2.7
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="/etc/httpd"
-D SUEXEC_BIN="/usr/sbin/suexec"
-D DEFAULT_PIDLOG="run/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"
# ldd /usr/sbin/httpd
linux-gate.so.1 => (0x00f86000)
libm.so.6 => /lib/libm.so.6 (0x00268000)
libpcre.so.0 => /lib/libpcre.so.0 (0x00654000)
libselinux.so.1 => /lib/libselinux.so.1 (0x00549000)
libaprutil-1.so.0 => /usr/lib/libaprutil-1.so.0 (0x002ad000)
libcrypt.so.1 => /lib/libcrypt.so.1 (0x00d69000)
libldap-2.3.so.0 => /usr/lib/libldap-2.3.so.0 (0x00110000)
liblber-2.3.so.0 => /usr/lib/liblber-2.3.so.0 (0x00c1f000)
libdb-4.3.so => /lib/libdb-4.3.so (0x00900000)
libexpat.so.0 => /lib/libexpat.so.0 (0x003cb000)
libapr-1.so.0 => /usr/lib/libapr-1.so.0 (0x00a4f000)
libpthread.so.0 => /lib/libpthread.so.0 (0x00703000)
libdl.so.2 => /lib/libdl.so.2 (0x0014a000)
libc.so.6 => /lib/libc.so.6 (0x003ec000)
/lib/ld-linux.so.2 (0x0032a000)
libsepol.so.1 => /lib/libsepol.so.1 (0x00a92000)
libuuid.so.1 => /lib/libuuid.so.1 (0x0014f000)
libresolv.so.2 => /lib/libresolv.so.2 (0x001bc000)
libsasl2.so.2 => /usr/lib/libsasl2.so.2 (0x00154000)
libssl.so.6 => /lib/libssl.so.6 (0x0016d000)
libcrypto.so.6 => /lib/libcrypto.so.6 (0x0071d000)
libgssapi_krb5.so.2 => /usr/lib/libgssapi_krb5.so.2 (0x001d1000)
libkrb5.so.3 => /usr/lib/libkrb5.so.3 (0x00561000)
libcom_err.so.2 => /lib/libcom_err.so.2 (0x003b8000)
libk5crypto.so.3 => /usr/lib/libk5crypto.so.3 (0x001ff000)
libz.so.1 => /lib/libz.so.1 (0x00226000)
libkrb5support.so.0 => /usr/lib/libkrb5support.so.0 (0x00239000)
libkeyutils.so.1 => /lib/libkeyutils.so.1 (0x00da8000)
glibc-2.5-81.el5_8.1
Трейс:
Core was generated by `/usr/sbin/httpd'.
Program terminated with signal 11, Segmentation fault.
#0 0x00e5d5d7 in strstr (phaystack=0x0, pneedle=0x6694ba "text/html") at strstr.c:60
60 if (!(a = *++haystack))
(gdb) bt full
#0 0x00e5d5d7 in strstr (phaystack=0x0, pneedle=0x6694ba "text/html") at strstr.c:60
c = <value optimized out>
haystack = <value optimized out>
needle = <value optimized out>
b = 116
#1 0x0066894f in dl_out_filter (f=0x9907ee0, pbbIn=0x9908078) at mod_config_log.c:1057
r = 0x99068e8
c = 0x98fe758
pbktIn = <value optimized out>
pbbOut = <value optimized out>
data = <value optimized out>
len = <value optimized out>
addlen = <value optimized out>
pbktOut = <value optimized out>
#2 0x006055b0 in ap_pass_brigade (next=0x99068e8, bb=0x9908078) at /usr/src/debug/httpd-2.2.3/server/util_filter.c:526
e = 0x0
#3 0x005ec579 in end_output_stream (r=0x99068e8) at /usr/src/debug/httpd-2.2.3/server/protocol.c:1136
c = 0x98fe758
bb = 0x9908078
b = <value optimized out>
#4 0x00609888 in ap_process_request (r=0x99068e8) at /usr/src/debug/httpd-2.2.3/modules/http/http_request.c:268
access_status = 116
#5 0x0060677f in ap_process_http_connection (c=0x98fe758) at /usr/src/debug/httpd-2.2.3/modules/http/http_core.c:184
r = 0x99068e8
csd = 0x0
#6 0x00601d9d in ap_run_process_connection (c=0x98fe758) at /usr/src/debug/httpd-2.2.3/server/connection.c:43
n = 0
rv = <value optimized out>
#7 0x00601e9c in ap_process_connection (c=0x98fe758, csd=0x98fe5c0) at /usr/src/debug/httpd-2.2.3/server/connection.c:190
rc = 116
#8 0x0060ea24 in child_main (child_num_arg=<value optimized out>) at /usr/src/debug/httpd-2.2.3/server/mpm/prefork/prefork.c:645
current_conn = 0x98fe758
csd = 0x98fe5c0
ptrans = 0x98fe580
allocator = 0x98fc4f0
status = <value optimized out>
i = 1
lr = <value optimized out>
pollset = 0x98fc610
sbh = 0x98fc608
bucket_alloc = 0x9902898
last_poll_idx = 0
#9 0x0060ed31 in make_child (s=0x96784a8, slot=18) at /usr/src/debug/httpd-2.2.3/server/mpm/prefork/prefork.c:741
pid = 0
#10 0x0060f733 in ap_mpm_run (_pconf=0x9676600, plog=0x96a46b8, s=0x96784a8) at /usr/src/debug/httpd-2.2.3/server/mpm/prefork/prefork.c:876
---Type <return> to continue, or q <return> to quit---
status = 0
pid = {pid = -1, in = 0x96a46b8, out = 0x9670798, err = 0x2}
child_slot = <value optimized out>
exitwhy = 0
processed_status = <value optimized out>
index = <value optimized out>
remaining_children_to_start = 0
rv = <value optimized out>
#11 0x005e5277 in main (argc=157763200, argv=0x97044d0) at /usr/src/debug/httpd-2.2.3/server/main.c:737
c = 0 '\000'
configtestonly = 0
confname = 0x611c00 "conf/httpd.conf"
def_server_root = 0x611c10 "/etc/httpd"
temp_error_log = 0x0
error = <value optimized out>
process = 0x9674680
server_conf = <value optimized out>
pglobal = 0x96745f8
pconf = 0x9676600
plog = 0x96a46b8
ptemp = 0x96a86c8
pcommands = 0x9678608
opt = 0x96786a8
rv = 0
optarg = 0xb7fb32a0 ""