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From Greg Ames <grega...@remulak.net>
Subject seg fault in 2.0.23 :-(
Date Sat, 11 Aug 2001 19:12:29 GMT
I put a new 2.0.23 build up very briefly on daedalus, but had to take it
down shortly after due to taking a bunch of seg faults.  The dump is
/usr/local/apache2_0_23/corefiles/httpd.core.1 if anybody wants to have
a look.  I'm pretty burned out at the moment.

find_ct() at line 920 in mod_mime is calling apr_strcat with a bad
charset ptr.  It's an autoindex request for
httpd.apache.org/dist/httpd/old/, running a subrequest on
apache_1.3.1.tar.Z to figure out which icon to put on the line, I
imagine.  find_ct() recently had optimizations done.

(gdb) list
915                                                      NULL);
916                     }
917                     pp = pp->next;
918                 }
919                 if (charset && !override) {
920                     r->content_type = apr_pstrcat(r->pool,
r->content_type,
921                                                  "; charset=",
charset,
922                                                  NULL);
923                 }
924             }
(gdb) p charset
$4 = 0x2 <Address 0x2 out of bounds>
(gdb) bt
#0  0x80818a6 in apr_pstrcat (a=0x81ea00c) at apr_strings.c:122
#1  0x281b1274 in find_ct (r=0x81ea03c) at mod_mime.c:920
#2  0x8070bd4 in ap_run_type_checker (r=0x81ea03c) at request.c:112
#3  0x8072054 in ap_sub_req_lookup_dirent (dirent=0xbfbfd7c8,
r=0x815003c,
    next_filter=0x0) at request.c:1458
#4  0x281cd1e0 in make_autoindex_entry (dirent=0xbfbfd7c8,
    autoindex_opts=8196, d=0x81e355c, r=0x815003c, keyid=78 'N',
    direction=65 'A', pattern=0x0) at mod_autoindex.c:1260
#5  0x281cea6b in index_directory (r=0x815003c,
autoindex_conf=0x81e355c)
    at mod_autoindex.c:1951
#6  0x281cec22 in handle_autoindex (r=0x815003c) at mod_autoindex.c:2013
#7  0x8062520 in ap_run_handler (r=0x815003c) at config.c:185
#8  0x806299b in ap_invoke_handler (r=0x815003c) at config.c:344
#9  0x806006c in process_request_internal (r=0x815003c) at
http_request.c:378#10 0x806014a in ap_process_request (r=0x815003c) at
http_request.c:444
#11 0x805c31a in ap_process_http_connection (c=0x814a114) at
http_core.c:287
#12 0x8069504 in ap_run_process_connection (c=0x814a114) at
connection.c:82
#13 0x8069688 in ap_process_connection (c=0x814a114) at connection.c:219
#14 0x8061226 in child_main (child_num_arg=47) at prefork.c:814
#15 0x806136e in make_child (s=0x80c2554, slot=47) at prefork.c:901
#16 0x80613ce in startup_children (number_to_start=50) at prefork.c:924
#17 0x8061727 in ap_mpm_run (_pconf=0x80c200c, plog=0x80f200c,
s=0x80c2554)
    at prefork.c:1139

Greg

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