Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:89184 Return-Path: Mailing-List: contact internals-help@lists.php.net; run by ezmlm Delivered-To: mailing list internals@lists.php.net Received: (qmail 91731 invoked from network); 11 Nov 2015 19:51:13 -0000 Received: from unknown (HELO lists.php.net) (127.0.0.1) by localhost with SMTP; 11 Nov 2015 19:51:13 -0000 Authentication-Results: pb1.pair.com header.from=fmk@webbypixel.com; sender-id=pass Authentication-Results: pb1.pair.com smtp.mail=fmk@webbypixel.com; spf=pass; sender-id=pass Received-SPF: pass (pb1.pair.com: domain webbypixel.com designates 173.255.241.80 as permitted sender) X-PHP-List-Original-Sender: fmk@webbypixel.com X-Host-Fingerprint: 173.255.241.80 mail.webbypixel.com Received: from [173.255.241.80] ([173.255.241.80:49977] helo=mail.webbypixel.com) by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP id 9D/81-16149-03C93465 for ; Wed, 11 Nov 2015 14:51:12 -0500 Received: from PA004424MAC.local (206-190-75-9.static.twtelecom.net [206.190.75.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: frank) by mail.webbypixel.com (Postfix) with ESMTPSA id 5A2644FF4; Wed, 11 Nov 2015 11:51:09 -0800 (PST) To: Anatol Belski , 'Dmitry Stogov' References: <56428A30.4060803@php.net> <56439392.2020608@php.net> <01ab01d11cb7$f9605d10$ec211730$@belski.net> <5643993C.3020908@php.net> <5643999D.2070207@webbypixel.com> Cc: 'PHP Internals' Message-ID: <56439C2D.70600@webbypixel.com> Date: Wed, 11 Nov 2015 11:51:09 -0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <5643999D.2070207@webbypixel.com> Content-Type: multipart/alternative; boundary="------------080302010004020102080800" Subject: Re: [PHP-DEV] PHP 7 Segmentation fault From: fmk@webbypixel.com ("Frank M. Kromann") --------------080302010004020102080800 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Just switched to PHP-7.0 and there is no longer any references to _live_range but the problem with the segfault is still there. Here is a new backtrace. #0 zend_mm_alloc_small (size=, bin_num=, heap=) at /home/frank/Source/php-src-7/Zend/zend_alloc.c:1291 #1 zend_mm_alloc_heap (size=, heap=) at /home/frank/Source/php-src-7/Zend/zend_alloc.c:1358 #2 _emalloc (size=2) at /home/frank/Source/php-src-7/Zend/zend_alloc.c:2442 #3 0x00000000007e724d in _safe_emalloc (nmemb=nmemb@entry=24, size=, offset=offset@entry=0) at /home/frank/Source/php-src-7/Zend/zend_alloc.c:2510 #4 0x00000000007f0b93 in zend_compile_params (ast=ast@entry=0x7ffff0ab7250, return_type_ast=return_type_ast@entry=0x0) at /home/frank/Source/php-src-7/Zend/zend_compile.c:4429 #5 0x00000000007fa240 in zend_compile_func_decl (result=result@entry=0x0, ast=ast@entry=0x7ffff0ab7668) at /home/frank/Source/php-src-7/Zend/zend_compile.c:4879 #6 0x00000000007f799a in zend_compile_stmt (ast=0x7ffff0ab7668) at /home/frank/Source/php-src-7/Zend/zend_compile.c:7048 #7 0x00000000007f8487 in zend_compile_stmt_list (ast=ast@entry=0x7ffff0ab8388) at /home/frank/Source/php-src-7/Zend/zend_compile.c:4347 #8 0x00000000007f781e in zend_compile_stmt (ast=ast@entry=0x7ffff0ab8388) at /home/frank/Source/php-src-7/Zend/zend_compile.c:6992 #9 0x00000000007f88bf in zend_compile_class_decl (ast=ast@entry=0x7ffff0ab8720) at /home/frank/Source/php-src-7/Zend/zend_compile.c:5289 #10 0x00000000007f7938 in zend_compile_stmt (ast=ast@entry=0x7ffff0ab8720) at /home/frank/Source/php-src-7/Zend/zend_compile.c:7060 #11 0x00000000007fa67a in zend_compile_top_stmt (ast=0x7ffff0ab8720) at /home/frank/Source/php-src-7/Zend/zend_compile.c:6966 #12 0x00000000007fa6bf in zend_compile_top_stmt (ast=0x7ffff0ab4018) at /home/frank/Source/php-src-7/Zend/zend_compile.c:6961 #13 0x00000000007cde07 in compile_file (file_handle=, type=) at Zend/zend_language_scanner.l:607 #14 0x000000000065434e in phar_compile_file (file_handle=, type=) at /home/frank/Source/php-src-7/ext/phar/phar.c:3311 #15 0x00000000007cdf35 in compile_filename (type=2, filename=filename@entry=0x7ffff0a14550) at Zend/zend_language_scanner.l:647 #16 0x0000000000899a2f in ZEND_INCLUDE_OR_EVAL_SPEC_CV_HANDLER () at /home/frank/Source/php-src-7/Zend/zend_vm_execute.h:29114 #17 0x000000000084cecb in execute_ex (ex=) at /home/frank/Source/php-src-7/Zend/zend_vm_execute.h:414 #18 0x00000000007fe607 in zend_call_function (fci=0x7ffff0a89aa0, fci@entry=0x7fffffffa8f0, fci_cache=fci_cache@entry=0x7fffffffa8c0) at /home/frank/Source/php-src-7/Zend/zend_execute_API.c:854 #19 0x000000000082b244 in zend_call_method (object=0x7ffff0aa38d8, obj_ce=, fn_proxy=, function_name=0x7ffff0aaf108 "composer\\autoload\\classloader::loadclass\001", function_name_len=, retval_ptr=retval_ptr@entry=0x0, param_count=param_count@entry=1, arg1=0x7ffff0a14430, arg2=arg2@entry=0x0) at /home/frank/Source/php-src-7/Zend/zend_interfaces.c:104 #20 0x00000000006c1324 in zif_spl_autoload_call (execute_data=, return_value=) at /home/frank/Source/php-src-7/ext/spl/php_spl.c:425 #21 0x00000000007fe6a0 in zend_call_function (fci=fci@entry=0x7fffffffab40, fci_cache=fci_cache@entry=0x7fffffffab10) at /home/frank/Source/php-src-7/Zend/zend_execute_API.c:873 #22 0x00000000007feec9 in zend_lookup_class_ex (name=name@entry=0x7ffff0a55e80, key=0x7ffff0a70420, use_autoload=use_autoload@entry=1) at /home/frank/Source/php-src-7/Zend/zend_execute_API.c:1036 #23 0x00000000007ffa18 in zend_fetch_class_by_name (class_name=0x7ffff0a55e80, key=, fetch_type=fetch_type@entry=512) at /home/frank/Source/php-src-7/Zend/zend_execute_API.c:1383 #24 0x000000000089af51 in ZEND_NEW_SPEC_CONST_HANDLER () at /home/frank/Source/php-src-7/Zend/zend_vm_execute.h:3354 #25 0x000000000084cecb in execute_ex (ex=) at /home/frank/Source/php-src-7/Zend/zend_vm_execute.h:414 #26 0x000000000089d969 in zend_execute (op_array=, return_value=) at /home/frank/Source/php-src-7/Zend/zend_vm_execute.h:458 #27 0x000000000080db37 in zend_execute_scripts (type=type@entry=8, retval=retval@entry=0x0, file_count=file_count@entry=3) at /home/frank/Source/php-src-7/Zend/zend.c:1428 #28 0x00000000007a2ae0 in php_execute_script (primary_file=primary_file@entry=0x7fffffffd070) at /home/frank/Source/php-src-7/main/main.c:2471 #29 0x000000000089f78a in do_cli (argc=4, argv=0x1167c60) at /home/frank/Source/php-src-7/sapi/cli/php_cli.c:974 #30 0x0000000000443467 in main (argc=4, argv=0x1167c60) at /home/frank/Source/php-src-7/sapi/cli/php_cli.c:1345 - Frank On 11/11/15 11:40, Frank M. Kromann wrote: > Hi Anatol, > > Sorry, I fogot to include the output of the grep. > > [frank@dev php-src-7]$ grep -rn _live_range Zend/ > Zend/zend_opcode.c:83: op_array->last_live_range = 0; > Zend/zend_compile.h:176:typedef struct _zend_live_range { > Zend/zend_compile.h:179:} zend_live_range; > Zend/zend_compile.h:364: int last_live_range; > Zend/zend_compile.h:366: zend_live_range *live_range; > Zend/zend_compile.c:579:static uint32_t > zend_start_live_range(zend_op_array *op_array, uint32_t start) /* {{{ */ > Zend/zend_compile.c:581: zend_live_range *range; > Zend/zend_compile.c:583: op_array->last_live_range++; > Zend/zend_compile.c:584: op_array->live_range = > erealloc(op_array->live_range, sizeof(zend_live_range) * > op_array->last_live_range); > Zend/zend_compile.c:585: range = op_array->live_range + > op_array->last_live_range - 1; > Zend/zend_compile.c:587: return op_array->last_live_range - 1; > Zend/zend_compile.c:591:static void zend_end_live_range(zend_op_array > *op_array, uint32_t offset, uint32_t end) /* {{{ */ > Zend/zend_compile.c:593: zend_live_range *range = > op_array->live_range + offset; > Zend/zend_compile.c:595: if (range->start == end && offset == > op_array->last_live_range - 1) { > Zend/zend_compile.c:596: op_array->last_live_range--; > Zend/zend_compile.c:619: info.u.live_range_offset = > zend_start_live_range(CG(active_op_array), start); > Zend/zend_compile.c:643: zend_end_live_range(CG(active_op_array), > loop_var->u.live_range_offset, end); > Zend/zend_compile.c:6472: range = > zend_start_live_range(CG(active_op_array), > get_next_op_number(CG(active_op_array))); > Zend/zend_compile.c:6485: zend_end_live_range(CG(active_op_array), > range, get_next_op_number(CG(active_op_array))); > Zend/zend_compile.c:6807: uint32_t range = > zend_start_live_range(CG(active_op_array), rope_init_lineno); > Zend/zend_compile.c:6822: zend_end_live_range(CG(active_op_array), > range, opline - CG(active_op_array)->opcodes); > Zend/zend_execute.c:2552: for (i = 0; i < > EX(func)->op_array.last_live_range; i++) { > Zend/zend_execute.c:2553: const zend_live_range *range = > &EX(func)->op_array.live_range[i]; > > > - Frank > > On 11/11/15 11:38, Frank M. Kromann wrote: >> Hi Anatol, >> >> Here is what I have >> >> [frank@dev php-src-7]$ git show >> commit d1077f7a897d9267a0cad3d64663fd952dd1c6b2 >> Merge: e88e3f2 a2e59e7 >> Author: Anatol Belski >> Date: Wed Nov 11 16:35:07 2015 +0100 >> >> Merge branch 'PHP-7.0' >> >> * PHP-7.0: >> fix format macro names in UPGRADING.INTERNALS >> >> [frank@dev php-src-7]$ git status >> # On branch master >> # Untracked files: >> >> I think that is the latest from git.php.net? >> >> - Frank >> >> On 11/11/15 11:34, Anatol Belski wrote: >>> Hi Frank, >>> >>>> -----Original Message----- >>>> From: Frank M. Kromann [mailto:fmk@php.net] >>>> Sent: Wednesday, November 11, 2015 8:14 PM >>>> To: Dmitry Stogov >>>> Cc: PHP Internals >>>> Subject: Re: [PHP-DEV] PHP 7 Segmentation fault >>>> >>>> Hi Dmitry, >>>> >>>> Yes this is the master branch. I have previously tested it on the >>>> PHP-7.0 branch with the same result. I will do that again to verify >>>> that the >>>> problem is the same. >>>> >>>> I run vcsclean, buildconf, configure, make at least once a day. I >>>> do not run the >>>> make install as that will break all the sites on my dev box. I'm >>>> just testing the >>>> new binary with a command line script. >>>> >>>> I just did all the steps above and the result is still the same. >>>> I'll try to create a >>>> small script that can be used to reproduce the problem, but it >>>> might be tricky as >>>> it seems to have to do with the number of autoloaded classes, a >>>> problem with >>>> my PHP code (although PHP should not seg fault in that case). >>>> >>> I've just checked for zend_add_live_range - it's even not in the >>> current master. Also ` grep -rn _live_range Zend/` finds nothing in >>> PHP-7.0. Could you please check that you're using up-to-date source >>> tree and the correct branch? It could be pretty much like something >>> in that direction. >>> >>> Thanks >>> >> > -- Frank M. Kromann, M.Sc.E.E. Web by Pixel, Inc. Phone: +1 949 742 7533 Fax: +1 949 742 7534 Cell: +1 949 702 1794 Denmark: +45 78 79 11 48 Web: http://webbypixel.com --------------080302010004020102080800--