Bug #74199 [Opn->Fbk]: SIGBUS in zend_bitset_in on 64bit Solaris/SPARC

From: Date: Fri, 03 Mar 2017 09:16:14 +0000
Subject: Bug #74199 [Opn->Fbk]: SIGBUS in zend_bitset_in on 64bit Solaris/SPARC
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-207675@lists.php.net to get a copy of this message
Edit report at https://bugs.php.net/bug.php?id=74199&edit=1 ID: 74199 Updated by: laruence@php.net Reported by: stadtkind2 at gmx dot de Summary: SIGBUS in zend_bitset_in on 64bit Solaris/SPARC -Status: Open +Status: Feedback Type: Bug Package: Reproducible crash Operating System: Solaris 11.3 PHP Version: 7.1.2 Block user comment: N Private report: N Previous Comments: ------------------------------------------------------------------------ [2017-03-03 08:09:37] laruence@php.net I have no such box to test this, maybe you could expand the macros manually, to find out which expr trigger the SIGBUG? thanks ------------------------------------------------------------------------ [2017-03-02 14:14:28] stadtkind2 at gmx dot de Description: ------------ Hi, I'm getting a SIGBUS when using a 64bit (32bit code is fine) php7 on Solaris 11.3/SPARC when opcache is enabled: $ grep opcache php.ini | grep -v ^\; [opcache] zend_extension=opcache.so opcache.enable=1 opcache.enable_cli=1 $ php -v PHP 7.1.2 (cli) (built: Mar 2 2017 13:34:05) ( NTS ) Copyright (c) 1997-2017 The PHP Group Zend Engine v3.1.0, Copyright (c) 1998-2017 Zend Technologies with Zend OPcache v7.1.2, Copyright (c) 1999-2017, by Zend Technologies $ cat hallo.php <?php echo "Hallo Welt\n"; $ php hallo.php Bus error(coredump) $ dbx .../php core (dbx) where current thread: t@1 =>[1] zend_bitset_in(set = 0xfffffdee7912f904, n = 0), line 89 in "zend_bitset.h" [2] zend_worklist_push(worklist = 0xfffffdee7912f938, i = 0), line 109 in "zend_worklist.h" [3] zend_cfg_identify_loops(op_array = 0xfffff9fb9e473008, cfg = 0xfffff9fb9e494028, flags = 0xfffff9fb9e494024), line 769 in "zend_cfg.c" [4] zend_dfa_analyze_op_array(op_array = 0xfffff9fb9e473008, ctx = 0xfffffdee7912fb80, ssa = 0xfffff9fb9e494028, flags = 0xfffff9fb9e494024), line 70 in "dfa_pass.c" [5] zend_optimize_script(script = 0xfffff9fb9e473000, optimization_level = 2147467263, debug_level = 0), line 977 in "zend_optimizer.c" [6] cache_script_in_shared_memory(new_persistent_script = 0xfffff9fb9e473000, key = 0xc583fc0cb0 "/tmp/hallo.php", key_length = 14U, from_shared_memory = 0xfffffdee7912fe40), line 1273 in "ZendAccelerator.c" [7] persistent_compile_file(file_handle = 0xfffffdee79130c28, type = 8), line 1865 in "ZendAccelerator.c" [8] zend_execute_scripts(type = 8, retval = (nil), file_count = 3, ... = 0x19e45c668, ...), line 1469 in "zend.c" [9] php_execute_script(primary_file = 0xfffffdee79130c28), line 2537 in "main.c" [10] do_cli(argc = 4, argv = 0xc583fbd3f0), line 993 in "php_cli.c" [11] main(argc = 4, argv = 0xc583fbd3f0), line 1381 in "php_cli.c" Test script: --------------- Fetch the C code from https://gist.github.com/skrueger8/8f1adc353e2e700de47f9ec5b6561573 $ uname -a SunOS solaris 5.11 11.3 sun4v sparc sun4v $ cc -V cc: Studio 12.5 Sun C 5.14 SunOS_sparc 2016/05/31 $ cc -m64 -Wall -Werror -g -std=c11 test.c && ./a.out work->visited = ffffffff7ffff4b4 Bus error(coredump) $ cc -m32 -Wall -Werror -g -std=c11 test.c && ./a.out work->visited = ffbff5cc ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=74199&edit=1

« previous php.bugs (#207675) next »