Opened 5 years ago
Last modified 2 years ago
#58598 assigned defect
PHP 7.3.6 can throw a known bus error on freebsd flavored OS if using ifuncs, can fix in configure.ac — at Initial Version
| Reported by: | johnww2 | Owned by: | |
|---|---|---|---|
| Priority: | Normal | Milestone: | |
| Component: | ports | Version: | 2.5.4 |
| Keywords: | Cc: | ||
| Port: | php73 |
Description
PHP 7.3.6 apparently has this known issue with ifunc usage on freebsd flavored platforms fixed in later version than available on MacPorts per this;
I'm no expert on that but I can follow along in the home game by understanding the basic fix...
I encountered this php issue in the course of using laravel
STEPS TO REPRODUCE
0) Mojave 10.14.5 1) MacPorts clean install with requested per below 2) install laravel (https://laravel.com) 3) set up laravel and make a new site per laravel docs (implying apache, openssl, database backend etc.) 4) access the site (fails to load) (I'm using localhost as my domain) 5) see log files per below indicating bus error / problem in mod_php73.so 6) per above github commit, create a patch for php's config.ac file adding darwin to list of hosts that will not use itunes
CONFIRMED FIXED by making patch, and reinstalling php77 from customized php local port per
https://trac.macports.org/wiki/howto/PatchLocal
patch assembled per github fix reference above (adding darwin) ....
--- a/configure.ac.orig 2019-06-14 14:32:23.000000000 +0900 +++ b/configure.ac 2019-06-14 14:29:02.000000000 +0900 @@ -606,7 +606,7 @@
dnl dnl At least some versions of FreeBSD seem to have buggy ifunc support, see dnl bug #77284. Conservatively don't use ifuncs on FreeBSD.
-AS_CASE([$host_alias], [*-*-*android*|*-*-*uclibc*|*-*-*musl*|*freebsd*], [true], [ +AS_CASE([$host_alias], [*-*-*android*|*-*-*uclibc*|*-*-*musl*|*freebsd*][*-*-darwin*], [true], [
AX_GCC_FUNC_ATTRIBUTE([ifunc]) AX_GCC_FUNC_ATTRIBUTE([target])
])
additional config info when issue encountered...
ports requested...
apache2 @2.4.39_0+preforkmpm mariadb-server @5.5.64_0 mod_python @3.5.0_0 mod_wsgi @4.6.5_0 openssl @1.0.2s_0 php73 @7.3.6_0+libedit php73-apache2handler @7.3.6_0 php73-curl @7.3.6_0 php73-iconv @7.3.6_0 php73-imap @7.3.6_0 php73-mbstring @7.3.6_0 php73-mcrypt @1.0.2_0 php73-memcached @3.0.4_0 php73-mysql @7.3.6_0+mysqlnd php73-opcache @7.3.6_0 php73-openssl @7.3.6_0 php73-redis @4.2.0_0 php73-sqlite @7.3.6_0 py36-tz @2018.9_0 py37-pip @19.1.1_0 py37-tkinter @3.7.3_0 python36 @3.6.8_0 python37 @3.7.3_0 redis @5.0.5_0
crash...
sudo tail -50 /opt/local/var/log/apache2/error_log
[Fri Jun 14 13:11:23.663560 2019] [core:notice] [pid 55208] AH00052: child pid 82569 exit signal Bus error (10) [Fri Jun 14 13:11:23.664173 2019] [core:notice] [pid 55208] AH00052: child pid 82568 exit signal Bus error (10) [Fri Jun 14 13:11:23.664201 2019] [core:notice] [pid 55208] AH00052: child pid 82565 exit signal Bus error (10) [Fri Jun 14 13:11:24.665747 2019] [core:notice] [pid 55208] AH00052: child pid 82571 exit signal Bus error (10) [Fri Jun 14 13:11:24.666209 2019] [core:notice] [pid 55208] AH00052: child pid 82567 exit signal Bus error (10) [Fri Jun 14 13:11:24.666230 2019] [core:notice] [pid 55208] AH00052: child pid 82566 exit signal Bus error (10)
looking in Console.app at system reports for http...
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 ??? 0x000000010cf20700 php_base64_encode + 0 1 mod_php73.so 0x000000010c82dee3 ZEND_DO_ICALL_SPEC_RETVAL_USED_HANDLER + 80 2 mod_php73.so 0x000000010c7e6388 execute_ex + 98 3 mod_php73.so 0x000000010c7e6504 zend_execute + 318 4 mod_php73.so 0x000000010c7aaf86 zend_execute_scripts + 277 5 mod_php73.so 0x000000010c75647d php_execute_script + 655 6 mod_php73.so 0x000000010c8550a8 php_handler + 1045 7 httpd 0x000000010bc229ef ap_run_handler + 51 8 httpd 0x000000010bc22fa9 ap_invoke_handler + 240 9 httpd 0x000000010bc5816a ap_process_async_request + 859 10 httpd 0x000000010bc58201 ap_process_request + 20 11 httpd 0x000000010bc54e9b ap_process_http_connection + 301 12 httpd 0x000000010bc3304a ap_run_process_connection + 51 13 httpd 0x000000010bc5f80e child_main + 1088 14 httpd 0x000000010bc5f2ca make_child + 409 15 httpd 0x000000010bc5ecda prefork_run + 2120 16 httpd 0x000000010bc353bc ap_run_mpm + 64 17 httpd 0x000000010bc29e24 main + 2104 18 libdyld.dylib 0x00007fff7dbf53d5 start + 1