php-fpm fail on apcu

[itcrow]

php-fpm child segfault with error:
[10-Jul-2018 10:45:22] WARNING: [pool www] child 32764 said into stderr: "*** Error in `php-fpm: pool www': free(): invalid pointer: 0x00007f279d854418 ***" [10-Jul-2018 10:45:22] WARNING: [pool www] child 32764 said into stderr: "======= Backtrace: =========" [10-Jul-2018 10:45:22] WARNING: [pool www] child 32764 said into stderr: "/lib64/libc.so.6(+0x81499)[0x7f283a729499]"
gdb:

#0 0x00007f283a6de277 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007f283a6df968 in __GI_abort () at abort.c:90
#2 0x00007f283a720d37 in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f283a832d58 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:196
#3 0x00007f283a729499 in malloc_printerr (ar_ptr=0x7f283aa6e760 <main_arena>, ptr=, str=0x7f283a830411 "free(): invalid pointer", action=3) at malloc.c:5025
#4 _int_free (av=0x7f283aa6e760 <main_arena>, p=, have_lock=0) at malloc.c:3847
#5 0x0000556f2b811df8 in zend_string_release (s=) at /usr/src/debug/php-7.2.6/Zend/zend_string.h:291
#6 zend_array_destroy (ht=0x7f277c2bdb98) at /usr/src/debug/php-7.2.6/Zend/zend_hash.c:1310
#7 0x0000556f2b7fdf7e in _zval_dtor_func (p=) at /usr/src/debug/php-7.2.6/Zend/zend_variables.c:43
#8 0x0000556f2b89f196 in i_free_compiled_variables (execute_data=) at /usr/src/debug/php-7.2.6/Zend/zend_execute.c:2103
#9 zend_leave_helper_SPEC () at /usr/src/debug/php-7.2.6/Zend/zend_vm_execute.h:516
#10 0x0000556f2b8a0c55 in execute_ex (ex=0x7ffc) at /usr/src/debug/php-7.2.6/Zend/zend_vm_execute.h:59812

to fix it, please update apcu to version 5.1.12