panic(cpu 4 caller 0xffffff80082bf424): "Zone element 0xffffff937070aa00 was modified after free for zone kext.kalloc.512: " "Expected element to be cleared"@/AppleInternal/BuildRoot/Library/Caches/com.apple.xbs/Sources/xnu/xnu-7195.50.7/osfmk/kern/zalloc.c:1968 Backtrace (CPU 4), Frame : Return Address 0xffffffa0a68433c0 : 0xffffff8007abc66d 0xffffffa0a6843410 : 0xffffff8007bff073 0xffffffa0a6843450 : 0xffffff8007bef6aa 0xffffffa0a68434a0 : 0xffffff8007a61a2f 0xffffffa0a68434c0 : 0xffffff8007abbf0d 0xffffffa0a68435e0 : 0xffffff8007abc1f8 0xffffffa0a6843650 : 0xffffff80082bee1a 0xffffffa0a68436c0 : 0xffffff80082bf424 0xffffffa0a68436d0 : 0xffffff8007b17fca 0xffffffa0a6843700 : 0xffffff8007b191f2 0xffffffa0a6843780 : 0xffffff8007acabf4 0xffffffa0a68437d0 : 0xffffff8008044e53 0xffffffa0a68437f0 : 0xffffff7fa7ef92ad 0xffffffa0a6843880 : 0xffffff7fa7efa8c1 0xffffffa0a6843920 : 0xffffff7fa7f04cc5 0xffffffa0a6843980 : 0xffffff7fa7f07eb5 0xffffffa0a6843ab0 : 0xffffff7fa7ec18f8 0xffffffa0a6843b40 : 0xffffff7fa7ece01a 0xffffffa0a6843c70 : 0xffffff7fa7ece99a 0xffffffa0a6843d00 : 0xffffff7fa7ed1200 0xffffffa0a6843d40 : 0xffffff8007d6f494 0xffffffa0a6843db0 : 0xffffff8007d6ef50 0xffffffa0a6843e50 : 0xffffff80080173ce 0xffffffa0a6843eb0 : 0xffffff8008019100 0xffffffa0a6843f40 : 0xffffff8008169ceb 0xffffffa0a6843fa0 : 0xffffff8007a621f6 Kernel Extensions in backtrace: com.apple.filesystems.smbfs(3.4.1)[D17D4216-863F-39C0-9276-D10EB67EDC39]@0xffffff7fa7eb5000->0xffffff7fa7f1efff dependency: com.apple.kec.corecrypto(1.0)[42140686-EB80-38BB-8CDD-E6CFECB83A5A]@0xffffff800abfc000->0xffffff800ac88fff dependency: com.apple.kext.triggers(1.0)[9FD0EB89-CC8A-3913-8115-21C72665246F]@0xffffff7fa7f23000->0xffffff7fa7f25fff Process name corresponding to current thread: diskimages-helper Boot args: chunklist-security-epoch=0 -chunklist-no-rev2-dev Mac OS version: 20B29 Kernel version: Darwin Kernel Version 20.1.0: Sat Oct 31 00:07:11 PDT 2020; root:xnu-7195.50.7~2/RELEASE_X86_64 Kernel UUID: 84C6DC45-6B02-335F-9439-5D2A9BC385A4 KernelCache slide: 0x0000000007800000 KernelCache base: 0xffffff8007a00000 Kernel slide: 0x0000000007810000 Kernel text base: 0xffffff8007a10000 __HIB text base: 0xffffff8007900000 System model name: MacBookAir9,1 (Mac-0CFF9C7C2B63DF8D) System shutdown begun: NO Hibernation exit count: 0 System uptime in nanoseconds: 7954546055631 Last Sleep: absolute base_tsc base_nano Uptime : 0x0000073c0fe49a67 Sleep : 0x000006e8fc90e677 0x00000da17bca23d3 0x000006dd118fd449 Wake : 0x000006e985257f74 0x00000f8c114f98e0 0x000006e98304b95f last started kext at 7909072817230: >!AXsanScheme 3 (addr 0xffffff8009261000, size 12288) last stopped kext at 7023707082050: >!UMergeNub 900.4.2 (addr 0xffffff800a87f000, size 4096) loaded kexts: org.virtualbox.kext.VBoxNetAdp 6.1.16 org.virtualbox.kext.VBoxNetFlt 6.1.16 org.virtualbox.kext.VBoxUSB 6.1.16 org.virtualbox.kext.VBoxDrv 6.1.16 >usb.!UUserHCI 1 @filesystems.smbfs 3.4.1 >!A!BMultitouch 99 >AGPM 119 >!APlatformEnabler 2.7.0d0 >X86PlatformShim 1.0.0 >!ATopCaseHIDEventDriver 4000.27 >!AHIDALSService 1 @filesystems.autofs 3.0 @fileutil 20.036.15 >!AGraphicsDevicePolicy 6.1.27 >!AUpstreamUserClient 3.6.8 @AGDCPluginDisplayMetrics 6.1.27 >pmtelemetry 1 >LuaHardwareAccess 1.0.16 |IOUserEthernet 1.0.1 |IO!BSerialManager 8.0.1f5 >!ABacklight 180.3 @Dont_Steal_Mac_OS_X 7.0.0 >!AMCCSControl 1.14 >!AHV 1 >!ADiskImages2 1 >!AThunderboltIP 4.0.3 >!A!ISlowAdaptiveClocking 4.0.0 >!A!IICLGraphics 16.0.0 >!A!IPCHPMC 2.0.1 >!AGFXHDA 100.1.431 >!ABridgeAudio!C 100.2 >BridgeAudioCommunication 100.2 >!AAVEBridge 6.1 >!A!IICLLPGraphicsFramebuffer 16.0.0 >!AFWOHCI 5.7.4 |SCSITaskUserClient 436.40.6 >!UODD 511.40.9 >!UDisplays 380 @filesystems.apfs 1677.50.1 >BCMWLANFirmware4378.Hashstore 1 >BCMWLANFirmware4377.Hashstore 1 >BCMWLANFirmware4364.Hashstore 1 >BCMWLANFirmware4355.Hashstore 1 @filesystems.tmpfs 1 @filesystems.hfs.kext 556.41.1 @BootCache 40 @!AFSCompression.!AFSCompressionTypeZlib 1.0.0 @!AFSCompression.!AFSCompressionTypeDataless 1.0.0d1 >!A!BModule 1 |!ABCM5701Ethernet 11.0.0 @private.KextAudit 1.0 >!ABCMWLANBusInterfacePCIeMac 1 >!ASmartBatteryManager 161.0.0 >!AACPIButtons 6.1 >!ASMBIOS 2.1 >!AACPIEC 6.1 >!AAPIC 1.7 @!ASystemPolicy 2.0.0 @nke.applicationfirewall 310 |IOKitRegistryCompatibility 1 |EndpointSecurity 1 >!AXsanScheme 3 @plugin.IOAVBDiscoveryPlugin 900.12 |IOUSBUserClient 900.4.2 >!AHS!BDriver 4000.27 >IO!BHIDDriver 8.0.1f5 >!AActuatorDriver 4400.28 >!AMultitouchDriver 4400.28 >!AInputDeviceSupport 4400.35 >!AHIDKeyboard 222 @kext.triggers 1.0 >!AGraphicsControl 6.1.27 |IOAVB!F 900.12 >!ABacklightExpert 1.1.0 >!ASMBus!C 1.0.18d1 >X86PlatformPlugin 1.0.0 @plugin.IOgPTPPlugin 900.11 |IOEthernetAVB!C 1.1.0 @!AGPUWrangler 6.1.27 |IOSlowAdaptiveClocking!F 1.0.0 >IOPlatformPlugin!F 6.0.0d8 |IONDRVSupport 585 |IOAccelerator!F2 439.35.4 @!AGraphicsDeviceControl 6.1.27 |IOGraphics!F 585 >!UAudio 401.4 |IOAudio!F 300.6.1 @vecLib.kext 1.2.0 |IOFireWire!F 4.8.3 |IOSCSIMultimediaCommandsDevice 436.40.6 |IOBD!S!F 1.8 |IODVD!S!F 1.8 |IOCD!S!F 1.8 >!AThunderboltDPInAdapter 8.1.4 >!AThunderboltPCIUpAdapter 4.1.1 >!AThunderboltDPOutAdapter 8.1.4 >!AThunderboltDPAdapter!F 8.1.4 >!AHPM 3.4.4 >!A!ILpssI2C!C 3.0.60 >!A!ILpssI2C 3.0.60 >!A!ILpssDmac 3.0.60 >!AThunderboltPCIDownAdapter 4.1.1 >usb.IOUSBHostHIDDevice 1.2 >usb.cdc.ncm 5.0.0 >usb.cdc 5.0.0 >usb.networking 5.0.0 >usb.!UHostCompositeDevice 1.2 >usb.!UHub 1.2 >usb.!UVHCIBCE 1.2 >usb.!UVHCICommonBCE 1.0 >usb.!UVHCI 1.2 >usb.!UVHCICommon 1.0 >!AEffaceableNOR 1.0 |IOBufferCopy!C 1.1.0 |IOBufferCopyEngine!F 1 |IONVMe!F 2.1.0 >!ABSDKextStarter 3 |IOSurface 289.3 @filesystems.hfs.encodings.kext 1 >IO!BHost!CPCIeTransport 8.0.1f5 |IO!BHost!CTransport 8.0.1f5 >!AConvergedIPCOLYBTControl 1 >!A!BDebug 1 >!A!BDebugService 1 >!AConvergedPCI 1 >usb.!UEHCIPCI 1.2 >usb.!UEHCI 1.2 >!AThunderboltNHI 7.2.8 |IOThunderbolt!F 9.3.2 >usb.!UXHCIPCI 1.2 >usb.!UXHCI 1.2 |IOUSB!F 900.4.2 >!AEFINVRAM 2.1 >!ABCMWLANCoreMac 1.0.0 |IOSerial!F 11 |IO80211!FV2 1200.12.2b1 |IOSkywalk!F 1 >mDNSOffloadUserClient 1.0.1b8 >IOImageLoader 1.0.0 >!AEFIRuntime 2.1 >!AMultiFunctionManagerMac 1 >corecapture 1.0.4 >!ASMCRTC 1.0 |IOSMBus!F 1.1 |IOHID!F 2.0.0 $!AImage4 3.0.0 |IOTimeSync!F 900.11 |IONetworking!F 3.4 >DiskImages 493.0.0 |IO!B!F 8.0.1f5 |IOReport!F 47 |IO!BPacketLogger 8.0.1f5 $quarantine 4 $sandbox 300.0 @kext.!AMatch 1.0.0d1 |CoreAnalytics!F 1 >!ASSE 1.0 >!AKeyStore 2 >!UTDM 511.40.9 |IOUSBMass!SDriver 184.40.6 |IOSCSIBlockCommandsDevice 436.40.6 |IO!S!F 2.1 |IOSCSIArchitectureModel!F 436.40.6 >!AMobileFileIntegrity 1.0.5 @kext.CoreTrust 1 >!AFDEKeyStore 28.30 >!AEffaceable!S 1.0 >!ACredentialManager 1.0 >KernelRelayHost 1 |IOUSBHost!F 1.2 >!UHostMergeProperties 1.2 >usb.!UCommon 1.0 >!ABusPower!C 1.0 >!ASEPManager 1.0.1 >IOSlaveProcessor 1 >!AACPIPlatform 6.1 >!ASMC 3.1.9 |IOPCI!F 2.9 |IOACPI!F 1.4 >watchdog 1 @kec.pthread 1 @kec.corecrypto 1.0 @kec.Libm 1