Bug #52752 [Fbk->Opn]: Program terminated with signal 7, Bus error.

Edit report at https://bugs.php.net/bug.php?id=52752&edit=1 ID: 52752 Updated by: aharvey@php.net Reported by: paulgao at yeah dot net Summary: Program terminated with signal 7, Bus error. -Status: Feedback +Status: Open Type: Bug Package: Scripting Engine problem Operating System: Centos 5 32bit PHP Version: 5.3SVN-2010-08-31 (SVN) Block user comment: N Private report: N Previous Comments: ------------------------------------------------------------------------ [2012-12-19 13:17:52] jani dot ollikainen at mmd dot net Oh and here's the backtraces for the production enviroment using PHP 5.3.3, APC 3.1.13 on CentOS 6 (x86_64). Backtrace have two options but still problem seems to be the same: Core was generated by `/usr/bin/php-cgi'. Program terminated with signal 7, Bus error. #0 lex_scan (zendlval=0x7fff2f98cf48) at Zend/zend_language_scanner.c:931 931 if (yych != '<') goto yy4; (gdb) list 926 }; 927 928 YYDEBUG(0, *YYCURSOR); 929 YYFILL(8); 930 yych = *YYCURSOR; 931 if (yych != '<') goto yy4; 932 YYDEBUG(2, *YYCURSOR); 933 yyaccept = 0; 934 yych = *(YYMARKER = ++YYCURSOR); 935 if (yych <= '?') { (gdb) bt #0 lex_scan (zendlval=0x7fff901eca58) at Zend/zend_language_scanner.c:931 #1 0x000000000058deb0 in zendlex (zendlval=0x7fff901eca50) at /usr/src/debug/php-5.3.3/Zend/zend_compile.c:4942 #2 0x00000000005786f7 in zendparse () at /usr/src/debug/php-5.3.3/Zend/zend_language_parser.c:3282 #3 0x0000000000583342 in compile_file (file_handle=0x7fff901edfe0, type=<value optimized out>) at Zend/zend_language_scanner.l:354 #4 0x00007f413988da8f in my_compile_file (h=0x7fff901edfe0, type=2) at /usr/src/debug/php-pecl-apc-3.1.13/APC-3.1.13/apc_main.c:532 #5 0x00007f4134c64721 in phar_compile_file (file_handle=0x7fff901edfe0, type=2) at /usr/src/debug/php-5.3.3/ext/phar/phar.c:3393 #6 0x00000000005d8148 in ZEND_INCLUDE_OR_EVAL_SPEC_TMP_HANDLER ( execute_data=0x1263560) at /usr/src/debug/php-5.3.3/Zend/zend_vm_execute.h:5179 #7 0x00000000005cc810 in execute (op_array=0x11f5ce0) at /usr/src/debug/php-5.3.3/Zend/zend_vm_execute.h:107 #8 0x00000000005a6f4d in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /usr/src/debug/php-5.3.3/Zend/zend.c:1194 #9 0x00000000005551b8 in php_execute_script (primary_file=0x7fff901f07b0) at /usr/src/debug/php-5.3.3/main/main.c:2261 #10 0x000000000063081d in main (argc=1, argv=0x7fff901f29c8) at /usr/src/debug/php-5.3.3/sapi/cgi/cgi_main.c:2127 (gdb) bt #0 lex_scan (zendlval=0x7fffa8dc3898) at Zend/zend_language_scanner.c:931 #1 0x000000000058deb0 in zendlex (zendlval=0x7fffa8dc3890) at /usr/src/debug/php-5.3.3/Zend/zend_compile.c:4942 #2 0x00000000005786f7 in zendparse () at /usr/src/debug/php-5.3.3/Zend/zend_language_parser.c:3282 #3 0x0000000000583342 in compile_file (file_handle=0x7fffa8dc5340, type=<value optimized out>) at Zend/zend_language_scanner.l:354 #4 0x00007f55ee3c65b7 in apc_compile_cache_entry (key=0x7fffa8dc5170, h=0x7fffa8dc5340, type=2, t=<value optimized out>, op_array=0x7fffa8dc40b8, cache_entry=0x7fffa8dc40c0) at /usr/src/debug/php-pecl-apc-3.1.13/APC-3.1.13/apc_main.c:398 #5 0x00007f55ee3c6f9b in my_compile_file (h=0x7fffa8dc5340, type=2) at /usr/src/debug/php-pecl-apc-3.1.13/APC-3.1.13/apc_main.c:603 #6 0x00007f55e979d721 in phar_compile_file (file_handle=0x7fffa8dc5340, type=2) at /usr/src/debug/php-5.3.3/ext/phar/phar.c:3393 #7 0x00000000005d8148 in ZEND_INCLUDE_OR_EVAL_SPEC_TMP_HANDLER ( execute_data=0x1e26370) at /usr/src/debug/php-5.3.3/Zend/zend_vm_execute.h:5179 #8 0x00000000005cc810 in execute (op_array=0x1d187e0) at /usr/src/debug/php-5.3.3/Zend/zend_vm_execute.h:107 #9 0x00000000005a6f4d in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /usr/src/debug/php-5.3.3/Zend/zend.c:1194 #10 0x00000000005551b8 in php_execute_script (primary_file=0x7fffa8dc7b10) at /usr/src/debug/php-5.3.3/main/main.c:2261 #11 0x000000000063081d in main (argc=1, argv=0x7fffa8dc9d28) at /usr/src/debug/php-5.3.3/sapi/cgi/cgi_main.c:2127 ------------------------------------------------------------------------ [2012-12-19 13:09:36] jani dot ollikainen at mmd dot net This problem is wider than the report says! It's not just Centos 5 and 32bit. Tested with 5.3.19, 5.4.9 and trunk 201212191230 and got bus error. Suggested workaround by disabling mmap seems to work, so problem lies in mmap handling. Real fix/patch would be nice and really appreciated. 5.3.19: Core was generated by `sapi/cli/php test3.php'. Program terminated with signal 7, Bus error. #0 lex_scan (zendlval=<value optimized out>) at Zend/zend_language_scanner.l:1709 1709 switch (*YYCURSOR++) { (gdb) list 1704 } 1705 1706 1707 <ST_IN_SCRIPTING>"#"|"//" { 1708 while (YYCURSOR < YYLIMIT) { 1709 switch (*YYCURSOR++) { 1710 case '\r': 1711 if (*YYCURSOR == '\n') { 1712 YYCURSOR++; 1713 } #0 lex_scan (zendlval=<value optimized out>) at Zend/zend_language_scanner.l:1709 #1 0x0000000000636640 in zendlex (zendlval=0x7fff2476cb90) at /root/php-5.3.19/Zend/zend_compile.c:4975 #2 0x0000000000620e66 in zendparse () at /root/php-5.3.19/Zend/zend_language_parser.c:3285 #3 0x000000000062bb52 in compile_file (file_handle=0x7fff2476ce80, type=<value optimized out>) at Zend/zend_language_scanner.l:364 #4 0x00000000005362d1 in phar_compile_file (file_handle=0x7fff2476ce80, type=2) at /root/php-5.3.19/ext/phar/phar.c:3394 #5 0x000000000062b3de in compile_filename (type=2, filename=0x185ac58) at Zend/zend_language_scanner.l:407 #6 0x000000000067c63e in ZEND_INCLUDE_OR_EVAL_SPEC_CONST_HANDLER ( execute_data=0x7fe9b5916050) at /root/php-5.3.19/Zend/zend_vm_execute.h:1967 #7 0x0000000000675a30 in execute (op_array=0x184f358) at /root/php-5.3.19/Zend/zend_vm_execute.h:107 #8 0x000000000064f86f in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /root/php-5.3.19/Zend/zend.c:1259 #9 0x00000000005fcd67 in php_execute_script (primary_file=0x7fff24770780) at /root/php-5.3.19/main/main.c:2316 #10 0x00000000006da002 in main (argc=2, argv=0x7fff24770a18) at /root/php-5.3.19/sapi/cli/php_cli.c:1189 PHP 5.4.9: Core was generated by `sapi/cli/php test3.php'. Program terminated with signal 7, Bus error. #0 lex_scan (zendlval=<value optimized out>) at Zend/zend_language_scanner.l:1904 1904 switch (*YYCURSOR++) { (gdb) list 1899 } 1900 1901 1902 <ST_IN_SCRIPTING>"#"|"//" { 1903 while (YYCURSOR < YYLIMIT) { 1904 switch (*YYCURSOR++) { 1905 case '\r': 1906 if (*YYCURSOR == '\n') { 1907 YYCURSOR++; 1908 } (gdb) bt #0 lex_scan (zendlval=<value optimized out>) at Zend/zend_language_scanner.l:1904 #1 0x000000000063fd90 in zendlex (zendlval=0x7fff4739ebf0) at /root/php-5.4.9/Zend/zend_compile.c:6707 #2 0x0000000000628ba4 in zendparse () at /root/php-5.4.9/Zend/zend_language_parser.c:3430 #3 0x0000000000634d4d in compile_file (file_handle=0x7fff4739ef40, type=<value optimized out>) at Zend/zend_language_scanner.l:582 #4 0x0000000000539ae1 in phar_compile_file (file_handle=0x7fff4739ef40, type=2) at /root/php-5.4.9/ext/phar/phar.c:3388 #5 0x00000000006344ae in compile_filename (type=2, filename=0x7f66ed826d20) at Zend/zend_language_scanner.l:625 #6 0x00000000006acb6b in ZEND_INCLUDE_OR_EVAL_SPEC_CONST_HANDLER ( execute_data=0x7f66ed7ea060) at /root/php-5.4.9/Zend/zend_vm_execute.h:2608 #7 0x00000000006c98a0 in execute (op_array=0x7f66ed81f938) at /root/php-5.4.9/Zend/zend_vm_execute.h:410 #8 0x00000000006608cd in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /root/php-5.4.9/Zend/zend.c:1309 #9 0x0000000000603e27 in php_execute_script (primary_file=0x7fff473a2680) at /root/php-5.4.9/main/main.c:2482 #10 0x000000000070aeac in do_cli (argc=2, argv=0x7fff473a2a88) at /root/php-5.4.9/sapi/cli/php_cli.c:988 #11 0x000000000070b608 in main (argc=2, argv=0x7fff473a2a88) at /root/php-5.4.9/sapi/cli/php_cli.c:1364 trunk: Core was generated by `sapi/cli/php test3.php'. Program terminated with signal 7, Bus error. #0 lex_scan (zendlval=<value optimized out>) at Zend/zend_language_scanner.l:1917 1917 switch (*YYCURSOR++) { (gdb) list 1912 } 1913 1914 1915 <ST_IN_SCRIPTING>"#"|"//" { 1916 while (YYCURSOR < YYLIMIT) { 1917 switch (*YYCURSOR++) { 1918 case '\r': 1919 if (*YYCURSOR == '\n') { 1920 YYCURSOR++; 1921 } (gdb) bt #0 lex_scan (zendlval=<value optimized out>) at Zend/zend_language_scanner.l:1917 #1 0x0000000000641c30 in zendlex (zendlval=0x7fff34ca46c0) at /root/php-trunk-201212191230/Zend/zend_compile.c:6881 #2 0x000000000062a713 in zendparse () at /root/php-trunk-201212191230/Zend/zend_language_parser.c:3428 #3 0x0000000000636d75 in compile_file (file_handle=0x7fff34ca4a30, type=<value optimized out>) at Zend/zend_language_scanner.l:585 #4 0x000000000053a921 in phar_compile_file (file_handle=0x7fff34ca4a30, type=2) at /root/php-trunk-201212191230/ext/phar/phar.c:3388 #5 0x000000000063641e in compile_filename (type=2, filename=0x7f6444584978) at Zend/zend_language_scanner.l:628 #6 0x00000000006d48eb in ZEND_INCLUDE_OR_EVAL_SPEC_CONST_HANDLER ( execute_data=0x7f64445481e0) at /root/php-trunk-201212191230/Zend/zend_vm_execute.h:2695 #7 0x00000000006d4b40 in execute_ex (execute_data=0x7f64445481e0) at /root/php-trunk-201212191230/Zend/zend_vm_execute.h:356 #8 0x00000000006634d9 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /root/php-trunk-201212191230/Zend/zend.c:1309 #9 0x0000000000605ed9 in php_execute_script (primary_file=0x7fff34ca8180) at /root/php-trunk-201212191230/main/main.c:2468 #10 0x0000000000710d7c in do_cli (argc=2, argv=0x7fff34ca8588) at /root/php-trunk-201212191230/sapi/cli/php_cli.c:988 #11 0x00000000007114d8 in main (argc=2, argv=0x7fff34ca8588) at /root/php-trunk-201212191230/sapi/cli/php_cli.c:1364 ------------------------------------------------------------------------ The remainder of the comments for this report are too long. 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