#21160 [Opn->Fbk]: bcompiler initiates segfault

ID: 21160 Updated by: alan_k@php.net Reported By: tony2001 at ua dot fm -Status: Open +Status: Feedback Bug Type: PEAR related Operating System: RH 7.3 PHP Version: 4.3.0RC4 New Comment: can you try an updated version from CVS - there have been a few fixes added since then. Previous Comments: ------------------------------------------------------------------------ [2002-12-23 01:58:42] tony2001 at ua dot fm RH7.3, Apache 1.3.27, PHP 4.3.0RC4 bcompiler compiled as dynamic module. It seems that bcompiler_compile.php compiles class ok, but loading this class with bcompiler_load(); initiates segfault in Apache: ---------- (gdb) file /usr/local/apache/bin/httpd Reading symbols from /usr/local/apache/bin/httpd...done. (gdb) run -X -f /usr/local/apache/conf/httpd.conf Starting program: /usr/local/apache/bin/httpd -X -f /usr/local/apache/conf/httpd.conf Program received signal SIGSEGV, Segmentation fault. 0x4207b424 in chunk_realloc () from /lib/i686/libc.so.6 (gdb) bt #0 0x4207b424 in chunk_realloc () from /lib/i686/libc.so.6 #1 0x4207b1f8 in realloc () from /lib/i686/libc.so.6 #2 0x401335af in _erealloc (ptr=0x8147dec, size=5, allow_failure=0) at /root/CVS/php-4.3.0RC4/Zend/zend_alloc.c:293 #3 0x40475ccd in apc_create_string () from /usr/local/lib/php/extensions/bcompiler.so #4 0x40476163 in apc_deserialize_magic () from /usr/local/lib/php/extensions/bcompiler.so #5 0x40475180 in zif_bcompiler_load () from /usr/local/lib/php/extensions/bcompiler.so #6 0x401545fc in execute (op_array=0x81244ac) at /root/CVS/php-4.3.0RC4/Zend/zend_execute.c:1596 #7 0x4014220c in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /root/CVS/php-4.3.0RC4/Zend/zend.c:864 #8 0x4011c22d in php_execute_script (primary_file=0xbffff420) at /root/CVS/php-4.3.0RC4/main/main.c:1573 #9 0x4015bb9e in apache_php_module_main (r=0x811ea3c, display_source_mode=0) at /root/CVS/php-4.3.0RC4/sapi/apache/sapi_apache.c:55 #10 0x4015c696 in send_php (r=0x811ea3c, display_source_mode=0, filename=0x0) at /root/CVS/php-4.3.0RC4/sapi/apache/mod_php4.c:556 #11 0x4015c6ea in send_parsed_php (r=0x811ea3c) at /root/CVS/php-4.3.0RC4/sapi/apache/mod_php4.c:571 #12 0x0806b02b in ap_invoke_handler () #13 0x0807ffcb in process_request_internal () #14 0x080803ef in ap_internal_redirect () #15 0x0805fe8c in handle_dir () #16 0x0806b02b in ap_invoke_handler () #17 0x0807ffcb in process_request_internal () #18 0x0808002c in ap_process_request () #19 0x08076e4d in child_main () #20 0x08076ff8 in make_child () #21 0x0807716c in startup_children () #22 0x080777e4 in standalone_main () #23 0x08078047 in main () #24 0x42017499 in __libc_start_main () from /lib/i686/libc.so.6 ---------- Almost the same trouble happends when calling phpinfo(); if bcompiler.so is loaded. ---------- (gdb) run -X -f /usr/local/apache/conf/httpd.conf Starting program: /usr/local/apache/bin/httpd -X -f /usr/local/apache/conf/httpd.conf Program received signal SIGSEGV, Segmentation fault. 0x4207acc0 in chunk_free () from /lib/i686/libc.so.6 (gdb) bt #0 0x4207acc0 in chunk_free () from /lib/i686/libc.so.6 #1 0x4207ac24 in free () from /lib/i686/libc.so.6 #2 0x40133875 in shutdown_memory_manager (silent=0, clean_cache=0) at /root/CVS/php-4.3.0RC4/Zend/zend_alloc.c:462 #3 0x4011afa4 in php_request_shutdown (dummy=0x0) at /root/CVS/php-4.3.0RC4/main/main.c:949 #4 0x4015bbf8 in apache_php_module_main (r=0x811e0fc, display_source_mode=0) at /root/CVS/php-4.3.0RC4/sapi/apache/sapi_apache.c:61 #5 0x4015c696 in send_php (r=0x811e0fc, display_source_mode=0, filename=0x0) at /root/CVS/php-4.3.0RC4/sapi/apache/mod_php4.c:556 #6 0x4015c6ea in send_parsed_php (r=0x811e0fc) at /root/CVS/php-4.3.0RC4/sapi/apache/mod_php4.c:571 #7 0x0806b02b in ap_invoke_handler () #8 0x0807ffcb in process_request_internal () #9 0x0808002c in ap_process_request () #10 0x08076e4d in child_main () #11 0x08076ff8 in make_child () #12 0x0807716c in startup_children () #13 0x080777e4 in standalone_main () #14 0x08078047 in main () #15 0x42017499 in __libc_start_main () from /lib/i686/libc.so.6 ---------- The same trouble happends with Apache 1.3.26, PHP 4.3.0-dev (rather old, July CVS-version). Extension compiles without any warnings or errors. ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=21160&edit=1