Bug #75495 [NEW]: php-fpm raises SIGABRT every 30s, free on invalid pointer

From: php at mokraemer dot de Operating system: Mageia6 PHP version: 5.6.32 Package: opcache Bug Type: Bug Bug description:php-fpm raises SIGABRT every 30s, free on invalid pointer Description: ------------ If I enable opcache my php-fpm log is filled with SIGABRT: [07-Nov-2017 09:06:39] WARNING: [pool demo] child 3345 exited on signal 6 (SIGABRT - core dumped) after 31.031019 seconds from start [07-Nov-2017 09:06:39] NOTICE: [pool demo] child 3365 started [07-Nov-2017 09:06:40] WARNING: [pool demo] child 3347 exited on signal 6 (SIGABRT - core dumped) after 31.031225 seconds from start [07-Nov-2017 09:06:40] NOTICE: [pool demo] child 3367 started [07-Nov-2017 09:07:10] WARNING: [pool demo] child 3365 exited on signal 6 (SIGABRT - core dumped) after 31.031583 seconds from start [07-Nov-2017 09:07:10] NOTICE: [pool demo] child 3388 started Actual result: -------------- #0 0x00007feb31afa818 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55 #1 0x00007feb31afbf2a in __GI_abort () at abort.c:89 #2 0x00007feb31b3943a in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7feb31c43900 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175 #3 0x00007feb31b42879 in malloc_printerr (ar_ptr=0x7feb31e74b40 <main_arena>, ptr=<optimized out>, str=0x7feb31c41252 "free(): invalid pointer", action=3) at malloc.c:5007 #4 _int_free (av=0x7feb31e74b40 <main_arena>, p=<optimized out>, have_lock=0) at malloc.c:3868 #5 0x00007feb31b45db8 in __GI___libc_free (mem=<optimized out>) at malloc.c:2969 #6 0x00007feb322e1129 in zend_interned_strings_dtor () at /usr/src/debug/php-5.6.31/Zend/zend_string.c:80 #7 0x00007feb322ba20f in zend_shutdown () at /usr/src/debug/php-5.6.31/Zend/zend.c:865 #8 0x00007feb3224f3b2 in php_module_shutdown () at /usr/src/debug/php-5.6.31/main/main.c:2477 #9 0x000000000040722e in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/php-5.6.31/sapi/fpm/fpm/fpm_main.c:2041 -- Edit bug report at https://bugs.php.net/bug.php?id=75495&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75495&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75495&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75495&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75495&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75495&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75495&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75495&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75495&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75495&r=support Expected behavior: https://bugs.php.net/fix.php?id=75495&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75495&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75495&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75495&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75495&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75495&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75495&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75495&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75495&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75495&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75495&r=mysqlcfg