[mod_python] Mod_python 3.0 BETA / Apache2 segfault

Bryan Mongeau bryan at eevolved.com
Fri Sep 13 16:04:02 EST 2002


I have tested out the 3.0 BETA with apache 2 and discovered a segfault.

$ gdb ./httpd
GNU gdb 5.2.1
(gdb) run -X
Starting program: /usr/local/apache2/bin/httpd -X

Program received signal SIGSEGV, Segmentation fault.
0x400e8eef in apr_pstrcat (a=0x81d7fe8) at apr_strings.c:175
175             apr_size_t cplen = strlen(cp);
(gdb) bt
#0  0x400e8eef in apr_pstrcat (a=0x81d7fe8) at apr_strings.c:175
#1  0x402ed68d in python_handler (req=0x81d8020, phase=0x40369247 
    at mod_python.c:764
#2  0x402eea6d in PythonTransHandler (req=0x81d8020) at mod_python.c:1687
#3  0x0808cd48 in ap_run_translate_name (r=0x81d8020) at request.c:108
#4  0x0808d5ec in ap_process_request_internal (r=0x81d8020) at request.c:167
#5  0x08069e02 in ap_process_request (r=0x81d8020) at http_request.c:255
#6  0x08065dab in ap_process_http_connection (c=0x81d40e0) at http_core.c:293
#7  0x080831c8 in ap_run_process_connection (c=0x81d40e0) at connection.c:85
#8  0x0808346f in ap_process_connection (c=0x81d40e0, csd=0x81d4010) at 
#9  0x08078cc2 in child_main (child_num_arg=0) at prefork.c:696
#10 0x08078d80 in make_child (s=0x80b5378, slot=0) at prefork.c:736
#11 0x08078e71 in startup_children (number_to_start=5) at prefork.c:808
#12 0x0807917d in ap_mpm_run (_pconf=0x80b2cb0, plog=0x80ead90, s=0x80b5378) 
at prefork.c:1024
#13 0x0807e67c in main (argc=2, argv=0xbffff934) at main.c:645
#14 0x401933c1 in __libc_start_main () from /lib/libc.so.6

FIX: Comment out lines 764-767 and 770 of mod_python.c. Seems to compile and 
run fine. Impact on functionality unknown.

Please advise,
Bryan Mongeau
eEvolved Inc. - IT Consulting & Custom Software
"The hardest thing in the world to understand is the income tax."-- Einstein

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