Bug #68781 [Opn->Ana]: Segmentation fault on shutdown

Edit report at https://bugs.php.net/bug.php?id=68781&edit=1 ID: 68781 Updated by: rasmus@php.net Reported by: xoJIog at inbox dot lv Summary: Segmentation fault on shutdown -Status: Open +Status: Analyzed Type: Bug Package: *General Issues Operating System: gentoo PHP Version: 5.5.20 Block user comment: N Private report: N New Comment: Not much to go on here. Do you have a reproducing code snippet. Probably something involving mbstring? Previous Comments: ------------------------------------------------------------------------ [2015-01-09 15:54:18] xoJIog at inbox dot lv Description: ------------ PHP segfaults during process shutdown and exists with WARNING: [pool www] child 27239 exited on signal 11 (SIGSEGV - core dumped) after 569.315534 seconds from start Actual result: -------------- Program terminated with signal SIGSEGV, Segmentation fault. #0 0x0852df8f in zend_mm_check_ptr (heap=0xae71d28, ptr=0xa95a930c, silent=0, __zend_filename=0x8a26344 "/var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/ext/mbstring/mbstring.c", __zend_lineno=1645, __zend_orig_filename=0x0, __zend_orig_lineno=0) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_alloc.c:1393 1393 /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_alloc.c: No such file or directory. (gdb) bt #0 0x0852df8f in zend_mm_check_ptr (heap=0xae71d28, ptr=0xa95a930c, silent=0, __zend_filename=0x8a26344 "/var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/ext/mbstring/mbstring.c", __zend_lineno=1645, __zend_orig_filename=0x0, __zend_orig_lineno=0) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_alloc.c:1393 #1 0x0852df66 in zend_mm_check_ptr (heap=0xae71d28, ptr=0xa95a930c, silent=1, __zend_filename=0x8a26344 "/var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/ext/mbstring/mbstring.c", __zend_lineno=1645, __zend_orig_filename=0x0, __zend_orig_lineno=0) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_alloc.c:1389 #2 0x0852fa23 in _zend_mm_free_int (heap=0xae71d28, p=0xa95a930c, __zend_filename=0x8a26344 "/var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/ext/mbstring/mbstring.c", __zend_lineno=1645, __zend_orig_filename=0x0, __zend_orig_lineno=0) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_alloc.c:2068 #3 0x08530ea4 in _efree (ptr=0xa95a930c, __zend_filename=0x8a26344 "/var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/ext/mbstring/mbstring.c", __zend_lineno=1645, __zend_orig_filename=0x0, __zend_orig_lineno=0) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_alloc.c:2440 #4 0x08281454 in zm_deactivate_mbstring (type=1, module_number=23) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/ext/mbstring/mbstring.c:1645 #5 0x085718f8 in zend_deactivate_modules () at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_API.c:2433 #6 0x084d38e1 in php_request_shutdown (dummy=0x0) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/main/main.c:1777 #7 0x08626bca in main (argc=5, argv=0xbf43a094) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/sapi/fpm/fpm/fpm_main.c:1977 #0 0xabd15942 in __kernel_vsyscall () #1 0xaacba916 in kill () from /lib/libc.so.6 #2 0x0852c53d in zend_mm_panic (message=0x8a8c943 "zend_mm_heap corrupted") at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_alloc.c:92 #3 0x0852f2d9 in _zend_mm_alloc_int (heap=0xae71d28, size=20, __zend_filename=0x8a95e74 "/var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_vm_execute.h", __zend_lineno=6253, __zend_orig_filename=0x0, __zend_orig_lineno=0) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_alloc.c:1912 #4 0x08530e32 in _emalloc (size=20, __zend_filename=0x8a95e74 "/var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_vm_execute.h", __zend_lineno=6253, __zend_orig_filename=0x0, __zend_orig_lineno=0) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_alloc.c:2429 #5 0x085b39b0 in ZEND_ADD_ARRAY_ELEMENT_SPEC_CONST_UNUSED_HANDLER (execute_data=0xa958e850) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_vm_execute.h:6253 #6 0x085a6d63 in execute_ex (execute_data=0xa958e850) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_vm_execute.h:363 #7 0x085a6df1 in zend_execute (op_array=0xa95ab434) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend_vm_execute.h:388 #8 0x08568260 in zend_execute_scripts (type=8, retval=0x0, file_count=3) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/Zend/zend.c:1330 #9 0x084d4fb0 in php_execute_script (primary_file=0xbf439f44) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/main/main.c:2506 #10 0x08626a4c in main (argc=5, argv=0xbf43a094) at /var/tmp/portage/dev-lang/php-5.5.20/work/sapis-build/fpm/sapi/fpm/fpm/fpm_main.c:1949 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=68781&edit=1