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Date: Wed, 11 Nov 2015 15:41:48 +0300
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To: "Frank M. Kromann" <fmk@php.net>
Cc: PHP Internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary=e89a8f6435a25858040524432698
Subject: Re: [PHP-DEV] PHP 7 Segmentation fault
From: dmitry@zend.com (Dmitry Stogov)

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Content-Type: text/plain; charset=UTF-8

I suppose this is not PHP-7.0, but "master" branch.
PHP-7.0 doesn't have zend_add_live_range().

Please, make "git pull" and then full rebuild, "make clean; make; make
install"

Thanks. Dmitry.

On Wed, Nov 11, 2015 at 3:22 AM, Frank M. Kromann <fmk@php.net> wrote:

> Hello Everyone,
>
> I have a large application that segfaults on spl autoload function. I have
> not had the time yet to create a small script that can be used to reproduce
> the error, but it looks to be similar to the one reported for PHPUnit.
>
> I'm using the autolaoder script from composer and I have tried commenting
> out code to find the offending class but the problem just moves around to
> the next call to autoload. Here is a backtrace.
>
> #0  zend_mm_alloc_small (size=<optimized out>, bin_num=2,
> heap=0x7ffff0a00040) at /home/frank/Source/php-src-7/Zend/zend_alloc.c:1291
> #1  zend_mm_alloc_heap (size=<optimized out>, heap=0x7ffff0a00040) at
> /home/frank/Source/php-src-7/Zend/zend_alloc.c:1358
> #2  zend_mm_realloc_heap (heap=0x7ffff0a00040, ptr=0x7ffff0a60590,
> size=<optimized out>, copy_size=24) at
> /home/frank/Source/php-src-7/Zend/zend_alloc.c:1636
> #3  0x00000000007e8f4d in zend_add_live_range (start=start@entry=2,
> end=end@entry=57, op_array=<optimized out>, op_array=<optimized out>)
>     at /home/frank/Source/php-src-7/Zend/zend_compile.c:582
> #4  0x00000000007fa275 in zend_add_live_range (op_array=<optimized out>,
> op_array=<optimized out>, end=57, start=<optimized out>)
>     at /home/frank/Source/php-src-7/Zend/zend_compile.c:580
> #5  zend_compile_switch (ast=ast@entry=0x7ffff0ab7188) at
> /home/frank/Source/php-src-7/Zend/zend_compile.c:4139
> #6  0x00000000007f8778 in zend_compile_stmt (ast=0x7ffff0ab7188) at
> /home/frank/Source/php-src-7/Zend/zend_compile.c:7087
> #7  0x00000000007f9287 in zend_compile_stmt_list (ast=ast@entry=0x7ffff0ab6760)
> at /home/frank/Source/php-src-7/Zend/zend_compile.c:4411
> #8  0x00000000007f861e in zend_compile_stmt (ast=ast@entry=0x7ffff0ab6760)
> at /home/frank/Source/php-src-7/Zend/zend_compile.c:7041
> #9  0x00000000007fa4b9 in zend_compile_func_decl (result=result@entry=0x0,
> ast=ast@entry=0x7ffff0ab71a0) at
> /home/frank/Source/php-src-7/Zend/zend_compile.c:4947
> #10 0x00000000007f879a in zend_compile_stmt (ast=0x7ffff0ab71a0) at
> /home/frank/Source/php-src-7/Zend/zend_compile.c:7097
> #11 0x00000000007f9287 in zend_compile_stmt_list (ast=ast@entry=0x7ffff0ab8388)
> at /home/frank/Source/php-src-7/Zend/zend_compile.c:4411
> #12 0x00000000007f861e in zend_compile_stmt (ast=ast@entry=0x7ffff0ab8388)
> at /home/frank/Source/php-src-7/Zend/zend_compile.c:7041
> #13 0x00000000007f7ca2 in zend_compile_class_decl (ast=ast@entry=0x7ffff0ab8720)
> at /home/frank/Source/php-src-7/Zend/zend_compile.c:5353
> #14 0x00000000007f8738 in zend_compile_stmt (ast=ast@entry=0x7ffff0ab8720)
> at /home/frank/Source/php-src-7/Zend/zend_compile.c:7109
> #15 0x00000000007fb03a in zend_compile_top_stmt (ast=0x7ffff0ab8720) at
> /home/frank/Source/php-src-7/Zend/zend_compile.c:7015
> #16 0x00000000007fb07f in zend_compile_top_stmt (ast=0x7ffff0ab4018) at
> /home/frank/Source/php-src-7/Zend/zend_compile.c:7010
> #17 0x00000000007ce6e7 in compile_file (file_handle=<optimized out>,
> type=<optimized out>) at Zend/zend_language_scanner.l:607
> #18 0x0000000000654bde in phar_compile_file (file_handle=<optimized out>,
> type=<optimized out>) at /home/frank/Source/php-src-7/ext/phar/phar.c:3311
> #19 0x00000000007ce815 in compile_filename (type=2, filename=filename@entry=0x7ffff0a14550)
> at Zend/zend_language_scanner.l:647
> #20 0x000000000089c4cf in ZEND_INCLUDE_OR_EVAL_SPEC_CV_HANDLER () at
> /home/frank/Source/php-src-7/Zend/zend_vm_execute.h:29592
> #21 0x000000000084d9db in execute_ex (ex=<optimized out>) at
> /home/frank/Source/php-src-7/Zend/zend_vm_execute.h:414
> #22 0x00000000007fefe7 in zend_call_function (fci=0x7ffff0a899e0, fci@entry=0x7fffffffa8f0,
> fci_cache=fci_cache@entry=0x7fffffffa8c0)
>     at /home/frank/Source/php-src-7/Zend/zend_execute_API.c:854
> #23 0x000000000082bd54 in zend_call_method (object=0x7ffff0aa38a8,
> obj_ce=<optimized out>, fn_proxy=<optimized out>,
>     function_name=0x7ffff0aaf108
> "composer\\autoload\\classloader::loadclass\001",
> function_name_len=<optimized out>, 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
> #24 0x00000000006c1bb4 in zif_spl_autoload_call (execute_data=<optimized
> out>, return_value=<optimized out>) at
> /home/frank/Source/php-src-7/ext/spl/php_spl.c:425
> #25 0x00000000007ff080 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
> #26 0x00000000007ff8a9 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
> #27 0x00000000008003f8 in zend_fetch_class_by_name
> (class_name=0x7ffff0a55e80, key=<optimized out>, fetch_type=fetch_type@entry
> =512)
>     at /home/frank/Source/php-src-7/Zend/zend_execute_API.c:1383
> #28 0x000000000089dbf1 in ZEND_NEW_SPEC_CONST_HANDLER () at
> /home/frank/Source/php-src-7/Zend/zend_vm_execute.h:3359
> #29 0x000000000084d9db in execute_ex (ex=<optimized out>) at
> /home/frank/Source/php-src-7/Zend/zend_vm_execute.h:414
> #30 0x00000000008a0619 in zend_execute (op_array=<optimized out>,
> return_value=<optimized out>) at
> /home/frank/Source/php-src-7/Zend/zend_vm_execute.h:458
> #31 0x000000000080e607 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
> #32 0x00000000007a33c0 in php_execute_script
> (primary_file=primary_file@entry=0x7fffffffd070) at
> /home/frank/Source/php-src-7/main/main.c:2471
> #33 0x00000000008a243a in do_cli (argc=4, argv=0x116bc60) at
> /home/frank/Source/php-src-7/sapi/cli/php_cli.c:974
> #34 0x0000000000443617 in main (argc=4, argv=0x116bc60) at
> /home/frank/Source/php-src-7/sapi/cli/php_cli.c:1345
>
> - Frank
>
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