I got a similar question, here is my log
DEBUG : *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
DEBUG : ABI: 'arm64'
DEBUG : pid: 15921, tid: 15931, name: HeapTaskDaemon >>> com.xxx.xxx <<<
DEBUG : signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0
DEBUG : x0 0000000000000000 x1 0000007fa2da2fc8 x2 0000000012c3cbf8 x3 0000000000000000
DEBUG : x4 0000007fa8dbe570 x5 0000000000000000 x6 0000007fa45dc9b0 x7 0000007fa45c8f30
DEBUG : x8 0000000000000005 x9 000000559c591974 x10 000000559c3ba009 x11 000000559c3ba00b
DEBUG : x12 0000000000000001 x13 0000000000000000 x14 0000000000000000 x15 0000000012c3cbf0
DEBUG : x16 fffffffffffffff8 x17 0000000000000023 x18 0000000000000020 x19 0000007fa368d780
DEBUG : x20 0000000000000000 x21 0000007fa368d798 x22 0000007fa2da2fc8 x23 0000000012c3cbc0
DEBUG : x24 0000007fa368d788 x25 0000000012c3cc20 x26 0000000000000038 x27 000000559c3b87e0
DEBUG : x28 0000000012c3cbc0 x29 0000007fa368d670 x30 0000000000000018
DEBUG : sp 0000007fa368d670 pc 0000007fa4120b48 pstate 0000000020000000
DEBUG :
DEBUG : backtrace:
DEBUG : #00 pc 0000000000168b48 /system/lib64/libart.so (_ZN3art6mirror5Class16VisitNativeRootsINS_19BufferedRootVisitorILm128EEEEEvRT_m+428)
DEBUG : #01 pc 00000000001772f8 /system/lib64/libart.so (_ZN3art11ClassLinker15VisitClassRootsEPNS_11RootVisitorENS_14VisitRootFlagsE+424)
DEBUG : #02 pc 0000000000177724 /system/lib64/libart.so (_ZN3art11ClassLinker10VisitRootsEPNS_11RootVisitorENS_14VisitRootFlagsE+356)
DEBUG : #03 pc 0000000000432d54 /system/lib64/libart.so (_ZN3art7Runtime20VisitConcurrentRootsEPNS_11RootVisitorENS_14VisitRootFlagsE+52)
DEBUG : #04 pc 00000000002203cc /system/lib64/libart.so (_ZN3art2gc9collector9MarkSweep13PreCleanCardsEv.part.148+336)
DEBUG : #05 pc 00000000002205e8 /system/lib64/libart.so (_ZN3art2gc9collector9MarkSweep12MarkingPhaseEv+280)
DEBUG : #06 pc 0000000000220928 /system/lib64/libart.so (_ZN3art2gc9collector9MarkSweep9RunPhasesEv+732)
DEBUG : #07 pc 0000000000212a98 /system/lib64/libart.so (_ZN3art2gc9collector16GarbageCollector3RunENS0_7GcCauseEb+296)
DEBUG : #08 pc 0000000000243d6c /system/lib64/libart.so (_ZN3art2gc4Heap22CollectGarbageInternalENS0_9collector6GcTypeENS0_7GcCauseEb+2056)
DEBUG : #09 pc 00000000002455d8 /system/lib64/libart.so (_ZN3art2gc4Heap16ConcurrentGCTask3RunEPNS_6ThreadE+152)
DEBUG : #10 pc 0000000000268f1c /system/lib64/libart.so (_ZN3art2gc13TaskProcessor11RunAllTasksEPNS_6ThreadE+80)
DEBUG : #11 pc 0000000073e070ac /data/dalvik-cache/arm64/system@framework@boot.oat (offset 0x226d000)
DEBUG :
DEBUG : AM write failed: Broken pipe