Bug #16475 Updated: segfault at startup with Apache 2.0.35

ID: 16475 Updated by: jwoolley@php.net Reported By: sebastian.wolfgarten@gmx.net Status: Open Bug Type: Apache2 related Operating System: Linux 2.4.x PHP Version: 4.2.0RC2-4 New Comment: AHA! I think I'm onto something. The DSO is segfaulting in the second initialization round when php_apache_server_startup(). That function calls php_apache_startup() which uses pthread_getspecific. It ends up looking up a structure which contains pointers that point to from the FIRST round, dereferences them, and poof, it dies. I'm working on a patch. Previous Comments: ------------------------------------------------------------------------ [2002-04-21 18:48:21] jwoolley@php.net This appears to be heap corruption of some sort. I can reproduce the problem and am working on tracking it down. ------------------------------------------------------------------------ [2002-04-15 00:12:00] bfoddy@yuck.net I too have been seeing this same error. Using RC3 and now RC4, httpd -X cores immediately. My php config: ./configure --with-apxs2=/home/brian/apache2/bin/apxs --enable-debug --prefix=/home/brian/apache2 Coredump bt: (gdb) bt #0 0x4034958e in ts_resource_ex (id=1, th_id=0x0) at TSRM.c:310 #1 0x402a1fda in php_module_startup (sf=0x4036fb00) at main.c:856 #2 0x4029f9bc in php_apache_server_startup (pconf=0x80b7e20, plog=0x80eff00, ptemp=0x8137a38, s=0x813a0a0) at sapi_apache2.c:435 #3 0x0807c972 in ap_run_post_config (pconf=0x80b7e20, plog=0x80eff00, ptemp=0x8137a38, s=0x813a0a0) at config.c:127 #4 0x08081595 in main (argc=2, argv=0xbffff7e4) at main.c:611 #5 0x40119280 in __libc_start_main () from /lib/libc.so.6 Apache 2.0.35, Mandrake 8.2 Changes made to httpd.conf as per instructions on web page: LoadModule php4_module modules/libphp4.so <Files *.php> SetOutputFilter PHP SetInputFilter PHP </Files> ------------------------------------------------------------------------ [2002-04-13 17:08:13] sniper@php.net reclassified. (please don't change the category anymore!) ------------------------------------------------------------------------ [2002-04-13 15:03:55] sebastian.wolfgarten@gmx.net Hi, well when I do a "ldd /usr/local/bin/httpd" the following list is shown: libaprutil.so.0 => /usr/local/apache2/lib/libaprutil.so.0 (0x40016000) libapr.so.0 => /usr/local/apache2/lib/libapr.so.0 (0x40026000) libm.so.6 => /lib/libm.so.6 (0x40047000) libcrypt.so.1 => /lib/libcrypt.so.1 (0x40069000) libnsl.so.1 => /lib/libnsl.so.1 (0x40096000) libdl.so.2 => /lib/libdl.so.2 (0x400ab000) libdb-4.0.so => /usr/lib/libdb-4.0.so (0x400af000) libexpat.so.0 => /usr/local/lib/libexpat.so.0 (0x40135000) libpthread.so.0 => /lib/libpthread.so.0 (0x40156000) libc.so.6 => /lib/libc.so.6 (0x4016c000) /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000) So there is libpthread included but why not in ldd of libphp4.so (as seen in my previous postings)? I'm using Debian Woody 3.0 with kernel 2.4.16 and I have installed all recent updates. Bye, Sebastian ------------------------------------------------------------------------ [2002-04-13 14:15:56] sniper@php.net Is the libpthread in your system a static library or why isn't it shown in that ldd list? Which Debian distro is this anyway? Stable or unstable? ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at http://bugs.php.net/16475 -- Edit this bug report at http://bugs.php.net/?id=16475&edit=1