Panic report--a freed zone element has been modified in zone kalloc

Hello-Could someone please assist with how to troubleshoot this panic report? Thanks in advance!

*** Panic Report ***

panic(cpu 2 caller 0xffffff800471fa0b): "a freed zone element has been modified in zone kalloc.128: expected 0xdeadbeefdeadbeef but found 0xffffff804d9ba250, bits changed 0x2152416f93361cbf, at offset 88 of 128 in element 0xffffff80436f3b80, cookies 0x3f0011c1c1073504 0x53521ea4f6a680f"@/Library/Caches/com.apple.xbs/Sources/xnu/xnu-3248.73.11/osfmk/kern/zalloc.c:503

Backtrace (CPU 2), Frame : Return Address

      Kernel Extensions in backtrace:

com.apple.nke.applicationfirewall(163.0)[113F310F-1904-3F41-A206-1D275BF7A397]@0xffffff7f881d0000->0xffffff7f881d7fff

BSD process name corresponding to current thread: Google

Chrome

Mac OS version:

15G22010

Kernel version:

Darwin Kernel Version 15.6.0: Thu Jun 21 20:07:40 PDT 2018;

root:xnu-3248.73.11~1/RELEASE_X86_64

Kernel UUID: 7564B0E7-EB5D-3887-BA79-59C870165AB1

Kernel slide:    

0x0000000004400000

Kernel text base: 0xffffff8004600000

__HIB  text base: 0xffffff8004500000

System model name: iMac15,1 (Mac-42FD25EABCABB274)

System uptime in nanoseconds: 57568397149639

last loaded kext at 10154111858:

com.apple.driver.AppleBluetoothHIDKeyboard  181

(addr 0xffffff7f86dd7000, size 16384)

last unloaded kext at 182728465471:

com.apple.driver.AppleXsanScheme 3 (addr

0xffffff7f867da000, size 40960)