Panic 2

{"bug_type":"210","timestamp":"2019-01-05 15:58:06.33 +0600","os_version":"iPhone OS 11.3.1 (15E302)","incident_id":"8A05DBA0-CFFC-4A6E-B55C-9D5F79300DB5"}
{
  "build" : "iPhone OS 11.3.1 (15E302)",
  "product" : "iPhone7,1",
  "kernel" : "Darwin Kernel Version 17.5.0: Tue Mar 13 21:32:10 PDT 2018; root:xnu-4570.52.2~8\/RELEASE_ARM64_T7000",
  "incident" : "8A05DBA0-CFFC-4A6E-B55C-9D5F79300DB5",
  "crashReporterKey" : "409b9394f4e16a58a9c203ecb33aef2e9596ed1f",
  "date" : "2019-01-05 15:57:29.84 +0600",
  "panicString" : "panic(cpu 1 caller 0xfffffff00ff09ed4): \"a freed zone element has been modified in zone ipc ports: expected 0x3a35304c7f1f83c6 but found 0x380000025, bits changed 0x3a35304fff1f83e3, at offset 0 of 168 in element 0xfffffff11c000000, cookies 0x3f00118b6a7b7ad2 0x53521c61564f915\"\nDebugger message: panic\nMemory ID: 0x1\nOS version: 15E302\nKernel version: Darwin Kernel Version 17.5.0: Tue Mar 13 21:32:10 PDT 2018; root:xnu-4570.52.2~8\/RELEASE_ARM64_T7000\nKernelCache UUID: 00789DCBFCEA10341AE09DE0827EEDC1\niBoot version: iBoot-4076.50.126\nsecure boot?: YES\nPaniclog version: 9\nKernel slide:     0x0000000008e00000\nKernel text base: 0xfffffff00fe04000\nEpoch Time:        sec       usec\n  Boot    : 0x5c307ed4 0x000c61a7\n  Sleep   : 0x00000000 0x00000000\n  Wake    : 0x00000000 0x00000000\n  Calendar: 0x5c307f78 0x000eaf24\n\nPanicked task 0xfffffff110a3c878: 613 pages, 6 threads: pid 107: trustd\nPanicked thread: 0xfffffff112b40e60, backtrace: 0xfffffff167d532d0, tid: 1256\n\t\t  lr: 0xfffffff00ffb3be4  fp: 0xfffffff167d53400\n\t\t  lr: 0xfffffff00fe9d5a8  fp: 0xfffffff167d53410\n\t\t  lr: 0xfffffff00fecab04  fp: 0xfffffff167d53780\n\t\t  lr: 0xfffffff00fecae94  fp: 0xfffffff167d537e0\n\t\t  lr: 0xfffffff00fecacc0  fp: 0xfffffff167d53800\n\t\t  lr: 0xfffffff00ff09ed4  fp: 0xfffffff167d538a0\n\t\t  lr: 0xfffffff00ff09778  fp: 0xfffffff167d53930\n\t\t  lr: 0xfffffff00ff08ae8  fp: 0xfffffff167d53aa0\n\t\t  lr: 0xfffffff00feb934c  fp: 0xfffffff167d53ac0\n\t\t  lr: 0xfffffff00febec74  fp: 0xfffffff167d53b00\n\t\t  lr: 0xfffffff00fec1304  fp: 0xfffffff167d53b50\n\t\t  lr: 0xfffffff00ffb439c  fp: 0xfffffff167d53c80\n\t\t  lr: 0xfffffff00fe9d5a8  fp: 0xfffffff167d53c90\n\t\t  lr: 0x0000000184ae7f34  fp: 0x0000000000000000\n\n",
  "panicFlags" : "0x2",
  "otherString" : "\n** Stackshot Succeeded ** Bytes Traced 304672 **\n",
  "binaryImages" : [],
  "notes" : ["Source: \/dev\/rdisk3"]
}