Bug #78246 [NEW]: PHP segfault when running opcache in php 7.3.7

From: simon dot vikstrom at gmail dot com Operating system: Linux PHP version: 7.3.7RC3 Package: opcache Bug Type: Bug Bug description:PHP segfault when running opcache in php 7.3.7 Description: ------------ My build of PHP segfaults when running a customers wordpress with opcache enabled. I'm running version: https://www.php.net/distributions/php-7.3.7.tar.gz ``` Program received signal SIGSEGV, Segmentation fault. 0x0000564ac9e26ee2 in _emalloc_56 () (gdb) bt #0 0x0000564ac9e26ee2 in _emalloc_56 () #1 0x0000564ac9e59bf8 in _zend_new_array () #2 0x0000564ac9e9191f in ?? () #3 0x0000564ac9ed5126 in execute_ex () #4 0x0000564ac9edcd23 in zend_execute () #5 0x0000564ac9e4dcc2 in zend_execute_scripts () #6 0x0000564ac9dedff0 in php_execute_script () #7 0x0000564ac99f4797 in ?? () #8 0x00007fbc7aad6b97 in __libc_start_main () from target:/lib/x86_64-linux-gnu/libc.so.6 #9 0x0000564ac99f503a in _start () ``` I don't have more info but it seems introduced between 7.3.6 and 7.3.7. -- Edit bug report at https://bugs.php.net/bug.php?id=78246&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=78246&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=78246&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=78246&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=78246&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=78246&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=78246&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=78246&r=needscript Try newer version: https://bugs.php.net/fix.php?id=78246&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=78246&r=support Expected behavior: https://bugs.php.net/fix.php?id=78246&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=78246&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=78246&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=78246&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=78246&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=78246&r=dst IIS Stability: https://bugs.php.net/fix.php?id=78246&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=78246&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=78246&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=78246&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=78246&r=mysqlcfg