panic(cpu 1 caller 0xffffff8003778738): "a freed zone element has been modified in zone kalloc.128: expected 0xdeadbeefdeadbeef but found 0xffffff801a367350, bits changed 0x2152416fc49bcdbf, at offset 88 of 128 in element 0xffffff80161beb80, cookies 0x3f0011950fba550c 0x535216c55e0dc7f"@/AppleInternal/BuildRoot/Library/Caches/com.apple.xbs/Sources/xn u/xnu-6153.121.2/osfmk/kern/zalloc.c:1229 Backtrace (CPU 1), Frame : Return Address 0xffffff91358e3690 : 0xffffff800371f5cd 0xffffff91358e36e0 : 0xffffff8003858b05 0xffffff91358e3720 : 0xffffff800384a68e 0xffffff91358e3770 : 0xffffff80036c5a40 0xffffff91358e3790 : 0xffffff800371ec97 0xffffff91358e3890 : 0xffffff800371f087 0xffffff91358e38e0 : 0xffffff8003ec27cc 0xffffff91358e3950 : 0xffffff8003778738 0xffffff91358e3980 : 0xffffff8003778fd6 0xffffff91358e39a0 : 0xffffff800377a608 0xffffff91358e39e0 : 0xffffff8003776a57 0xffffff91358e3b10 : 0xffffff800372c4b4 0xffffff91358e3b80 : 0xffffff8003df2d87 0xffffff91358e3bb0 : 0xffffff8003e3f33a 0xffffff91358e3c90 : 0xffffff8003e3d709 0xffffff91358e3d30 : 0xffffff8003e342b7 0xffffff91358e3dc0 : 0xffffff8003e34e17 0xffffff91358e3e00 : 0xffffff7f85e4a73e 0xffffff91358e3e90 : 0xffffff7f85e4b372 0xffffff91358e3ec0 : 0xffffff7f85e31b51 0xffffff91358e3ee0 : 0xffffff8003e2e60d 0xffffff91358e3f30 : 0xffffff8003e2cede 0xffffff91358e3f70 : 0xffffff8003e2c4d6 0xffffff91358e3fa0 : 0xffffff80036c513e Kernel Extensions in backtrace: com.apple.iokit.IOAcceleratorFamily2(438.5.4)[D695D9DA-7C20-35D6-910FE7A332A0F515]@0xffffff7f85df7000->0xffffff7f85ebafff dependency: com.apple.driver.AppleMobileFileIntegrity(1.0.5)[E35D090D-DB9E3DD0-9723-651FA730AA13]@0xffffff7f84187000 dependency: com.apple.iokit.IOPCIFamily(2.9)[BE052F4D-9B80-3FCD-B36DBACB7DEE0DF2]@0xffffff7f84301000 dependency: com.apple.iokit.IOSurface(269.11)[F1E7389D-2807-3C5D-8A7F5422542E867F]@0xffffff7f85482000 dependency: com.apple.iokit.IOGraphicsFamily(576.1)[B1C0006F-E1F5-37D9-95485F918E92B422]@0xffffff7f85d89000 dependency: com.apple.iokit.IOReportFamily(47)[1FB49168-0280-3F04-A99AF830C915E994]@0xffffff7f8422f000 BSD process name corresponding to current thread: kernel_task Mac OS version: 19F101 Kernel version: Darwin Kernel Version 19.5.0: Tue May 26 20:41:44 PDT 2020; root:xnu6153.121.2~2/RELEASE_X86_64 Kernel UUID: 54F1A78D-6F41-32BD-BFED-4381F9F6E2EF Kernel slide: 0x0000000003400000 Kernel text base: 0xffffff8003600000 __HIB text base: 0xffffff8003500000 System model name: MacBookPro12,1 (Mac-E43C1C25D4880AD6) System shutdown begun: NO Panic diags file available: YES (0x0) System uptime in nanoseconds: 32462617527029 last loaded kext at 19586043317453: @filesystems.smbfs 3.4.3 (addr 0xffffff7f86fe7000, size 450560) loaded kexts: com.Cycling74.driver.Soundflower 2 net.pulsesecure.PulseSecureFirewall 9.0.4f1 com.symantec.ips.kext 10.0.0 com.symantec.nfm.kext 10.0.0 com.symantec.internetSecurity.kext 10.0.0 com.symantec.SymXIPS 9.0.1 @filesystems.smbfs 3.4.3 >!AMikeyHIDDriver 131 @fileutil 20.036.15 >AudioAUUC 1.70 >!AGraphicsDevicePolicy 5.2.4 @AGDCPluginDisplayMetrics 5.2.4 >!AHV 1 |IOUserEthernet 1.0.1 |IO!BSerialManager 7.0.5f6 >AGPM 111.4.4 >!APlatformEnabler 2.7.0d0 >X86PlatformShim 1.0.0 >pmtelemetry 1 >!AUpstreamUserClient 3.6.8 @Dont_Steal_Mac_OS_X 7.0.0 >!AHDAHardwareConfigDriver 283.15 >!A!IBDWGraphics 14.0.6 >AGDCBacklightControl 5.2.4 >eficheck 1 >ACPI_SMC_PlatformPlugin 1.0.0 >!AHDA 283.15 >!AThunderboltIP 3.1.4 >!ABacklight 180.3 |Broadcom!B20703USBTransport 7.0.5f6 >!ASMCLMU 212 >!ALPC 3.1 >AirPort.BrcmNIC 1400.1.1 >!AFIVRDriver 4.1.0 >!ACameraInterface 7.6.0 >!A!ISlowAdaptiveClocking 4.0.0 >!A!IBDWGraphicsFramebuffer 14.0.6 >!AMCCSControl 1.14 @filesystems.autofs 3.0 |IO!BUSBDFU 7.0.5f6 |SCSITaskUserClient 422.120.3 >!U!SCoexistentDriver 489.120.1 >!UCardReader 489.120.1 >!AFileSystemDriver 3.0.1 >!AVirtIO 1.0 @filesystems.hfs.kext 522.100.5 @!AFSCompression.!AFSCompressionTypeDataless 1.0.0d1 @BootCache 40 @!AFSCompression.!AFSCompressionTypeZlib 1.0.0 @filesystems.apfs 1412.120.2 >!AAHCIPort 341.0.2 >!ATopCaseHIDEventDriver 3430.1 @private.KextAudit 1.0 >!ARTC2.0 >!ASmartBatteryManager 161.0.0 >!AACPIButtons 6.1 >!AHPET 1.8 >!ASMBIOS 2.1 >!AACPIEC 6.1 >!AAPIC 1.7 $!AImage4 1 @nke.applicationfirewall 303 $TMSafetyNet 8 @!ASystemPolicy 2.0.0 |EndpointSecurity 1 >!UAudio 323.1 >!AGraphicsControl 5.2.4 |IOAVB!F 850.1 >!ASSE 1.0 @plugin.IOgPTPPlugin 840.3 |IOEthernetAVB!C 1.1.0 >IOPlatformPluginLegacy 1.0.0 @!AGPUWrangler 5.2.4 >DspFuncLib 283.15 @kext.OSvKernDSPLib 529 >!ABacklightExpert 1.1.0 |IONDRVSupport 576.1 |Broadcom!BHost!CUSBTransport 7.0.5f6 |IO!BHost!CUSBTransport 7.0.5f6 |IO!BHost!CTransport 7.0.5f6 >!ASMBusPCI 1.0.14d1 |IO80211!F 1200.12.2b1 >mDNSOffloadUserClient 1.0.1b8 >corecapture 1.0.4 |IOSkywalk!F 1 >X86PlatformPlugin 1.0.0 >IOPlatformPlugin!F 6.0.0d8 |IOSlowAdaptiveClocking!F 1.0.0 >!AHDA!C 283.15 |IOHDA!F 283.15 >!AThunderboltEDMSink 4.2.3 >!AThunderboltDPOutAdapter 6.2.6 @!AGraphicsDeviceControl 5.2.4 |IOAccelerator!F2 438.5.4 >!ASMBus!C 1.0.18d1 |IOGraphics!F 576.1 @kext.triggers 1.0 >usb.IOUSBHostHIDDevice 1.2 |IOUSBMass!SClass 4.0.4 >usb.cdc 5.0.0 >usb.networking 5.0.0 >usb.!UHostCompositeDevice 1.2 |IOAudio!F 300.2 @vecLib.kext 1.2.0 |IOSerial!F 11 |IOSurface 269.11 @filesystems.hfs.encodings.kext 1 >!AXsanScheme 3 |IOAHCIBlock!S 316.100.5 |IOAHCI!F 290.0.1 >!AThunderboltDPInAdapter 6.2.6 >!AThunderboltDPAdapter!F 6.2.6 >!AActuatorDriver 3440.1 >!AThunderboltPCIDownAdapter 2.5.4 >!AHIDKeyboard 209 >!AHS!BDriver 3430.1 >IO!BHIDDriver 7.0.5f6 |IO!B!F 7.0.5f6 |IO!BPacketLogger 7.0.5f6 >!AMultitouchDriver 3440.1 >!AInputDeviceSupport 3440.8 >!AHSSPIHIDDriver 59 >!AThunderboltNHI 5.8.6 |IOThunderbolt!F 7.6.1 >!AHSSPISupport 59 >!A!ILpssSpi!C 3.0.60 >!A!ILpssGspi 3.0.60 >!A!ILpssDmac 3.0.60 >!A!ILpssI2C 3.0.60 >usb.!UXHCIPCI 1.2 >usb.!UXHCI 1.2 >usb.!UHostPacketFilter 1.0 |IOUSB!F 900.4.2 >!AEFINVRAM 2.1 >!AEFIRuntime 2.1 |IOSMBus!F 1.1 |IOHID!F 2.0.0 $quarantine 4 $sandbox 300.0 @kext.!AMatch 1.0.0d1 >DiskImages 493.0.0 >!AFDEKeyStore 28.30 >!AEffaceable!S 1.0 >!AKeyStore 2 >!UTDM 489.120.1 |IOSCSIBlockCommandsDevice 422.120.3 >!ACredentialManager 1.0 >KernelRelayHost 1 >!ASEPManager 1.0.1 >IOSlaveProcessor 1 |IOTimeSync!F 840.3 |IONetworking!F 3.4 |IOUSBMass!SDriver 157.121.1 |IOSCSIArchitectureModel!F 422.120.3 |IO!S!F 2.1 |IOUSBHost!F 1.2 >!UHostMergeProperties 1.2 >usb.!UCommon 1.0 >!ABusPower!C 1.0 |CoreAnalytics!F 1 >!AMobileFileIntegrity 1.0.5 @kext.CoreTrust 1 |IOReport!F 47 >!AACPIPlatform 6.1 >!ASMC 3.1.9 >watchdog 1 |IOPCI!F 2.9 |IOACPI!F 1.4 @kec.pthread 1 @kec.Libm 1 @kec.corecrypto 1.0