Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x000055b6ec688529 in _emalloc_56 ()
[Current thread is 1 (Thread 0x7f727a2f5a00 (LWP 301575))]
(gdb) bt
#0  0x000055b6ec688529 in _emalloc_56 ()
#1  0x000055b6ec6c6ec6 in zend_array_dup ()
#2  0x000055b6ec70f4d2 in ?? ()
#3  0x000055b6ec71b276 in execute_ex ()
#4  0x000055b6ec6a5814 in zend_call_function ()
#5  0x000055b6ec6a5afc in _call_user_function_impl ()
#6  0x00007f7276ab2302 in callPhpFunction () from /opt/elastic/apm-agent-php/extensions/elastic_apm-20210902.so
#7  0x00007f7276ab29ea in callPhpFunctionRetZval () from /opt/elastic/apm-agent-php/extensions/elastic_apm-20210902.so
#8  0x00007f7276aaf993 in tracerPhpPartInterceptedCallPreHook () from /opt/elastic/apm-agent-php/extensions/elastic_apm-20210902.so
#9  0x00007f7276a995b2 in internalFunctionCallInterceptingImpl () from /opt/elastic/apm-agent-php/extensions/elastic_apm-20210902.so
#10 0x00007f7276a8eec4 in numberedInterceptingCallback () from /opt/elastic/apm-agent-php/extensions/elastic_apm-20210902.so
#11 0x00007f7276a8ef8c in elasticApmNumberedInterceptingCallback_4 () from /opt/elastic/apm-agent-php/extensions/elastic_apm-20210902.so
#12 0x000055b6ec71c6df in execute_ex ()
#13 0x000055b6ec723be9 in zend_execute ()
#14 0x000055b6ec6b4350 in zend_execute_scripts ()
#15 0x000055b6ec64f23a in php_execute_script ()
#16 0x000055b6ec4f68f2 in ?? ()
#17 0x00007f727c613d90 in __libc_start_call_main (main=main@entry=0x55b6ec4f59b0, argc=argc@entry=4, argv=argv@entry=0x7ffc3367df48)
    at ../sysdeps/nptl/libc_start_call_main.h:58
#18 0x00007f727c613e40 in __libc_start_main_impl (main=0x55b6ec4f59b0, argc=4, argv=0x7ffc3367df48, init=<optimized out>, fini=<optimized out>, 
    rtld_fini=<optimized out>, stack_end=0x7ffc3367df38) at ../csu/libc-start.c:392
#19 0x000055b6ec4f85c5 in _start ()