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

Edit report at https://bugs.php.net/bug.php?id=74199&edit=1 ID: 74199 Updated by: dmitry@php.net Reported by: stadtkind2 at gmx dot de Summary: SIGBUS in zend_bitset_in on 64bit Solaris/SPARC -Status: Feedback +Status: Closed Type: Bug Package: Reproducible crash Operating System: Solaris 11.3 PHP Version: 7.1.2 Assigned To: dmitry Block user comment: N Private report: N Previous Comments: ------------------------------------------------------------------------ [2017-03-07 12:25:46] stadtkind2 at gmx dot de @dmitry Everything is fine with your second set of patches. No SIGBUS'ses anymore (survived a full "make test") Thanks! ------------------------------------------------------------------------ [2017-03-07 08:05:04] dmitry@php.net Please check this patch: http://git.php.net/?p=php-src.git;a=commitdiff;h=d9231b16670cd450544cb0f050c72af9809e47e7 It's already committed into PHP-7.1 and above. ------------------------------------------------------------------------ [2017-03-06 15:37:55] stadtkind2 at gmx dot de Hi Dmitry, your patch is fine. But I have another SIGBUS now: # dbx /tmp/php-7.1.2/sapi/cli/php /var/cores/core.php.12273.3941 t@1 (l@1) program terminated by signal BUS (invalid address alignment) Current function is zend_ssa_compute_use_def_chains 1069 phi->use_chains[0] = ssa_vars[phi->sources[0]].phi_use_chain; (dbx) where current thread: t@1 =>[1] zend_ssa_compute_use_def_chains(arena = 0xffffffff7fffd730, op_array = 0xffffffff7e604288, ssa = 0xffffffff7e6a3100), line 1069 in "zend_ssa.c" [2] zend_dfa_analyze_op_array(op_array = 0xffffffff7e604288, ctx = 0xffffffff7fffd730, ssa = 0xffffffff7e6a3100, flags = 0xffffffff7e6a30fc), line 94 in "dfa_pass.c" [3] zend_optimize_script(script = 0xffffffff7e674000, optimization_level = 2147467263, debug_level = 0), line 977 in "zend_optimizer.c" [4] cache_script_in_shared_memory(new_persistent_script = 0xffffffff7e674000, key = 0x101d30910 "/tmp/php-7.1.2/tests/run-test/test007.php", key_length = 41U, from_shared_memory = 0xffffffff7fffd9f0), line 1273 in "ZendAccelerator.c" [5] persistent_compile_file(file_handle = 0xffffffff7fffe7d8, type = 8), line 1865 in "ZendAccelerator.c" [6] zend_execute_scripts(type = 8, retval = (nil), file_count = 3, ... = 0x17e65d050, ...), line 1469 in "zend.c" [7] php_execute_script(primary_file = 0xffffffff7fffe7d8), line 2537 in "main.c" [8] do_cli(argc = 66, argv = 0x101d377d0), line 993 in "php_cli.c" [9] main(argc = 66, argv = 0x101d377d0), line 1381 in "php_cli.c" ------------------------------------------------------------------------ [2017-03-06 14:13:21] dmitry@php.net Most probably, the problem is in improperly aligned pointer. This patch should fix the problem: http://git.php.net/?p=php-src.git;a=commitdiff;h=e113b6784aa92c74ec3f4d821ccc6492d4b1a52d Please verify. ------------------------------------------------------------------------ [2017-03-05 09:57:21] stadtkind2 at gmx dot de Suggestion to change "int *buf" to "zend_ulong *buf" came from peter.damron@oracle, which fixes the SIGBUS I'm seeing ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at https://bugs.php.net/bug.php?id=74199 -- Edit this bug report at https://bugs.php.net/bug.php?id=74199&edit=1