Anonymous UUID: 31323460-0C48-79EB-AEE2-7065E72DC20F Thu Apr 2 23:21:16 2020 *** Panic Report *** panic(cpu 2 caller 0xffffff8011205446): "a freed zone element has been modified in zone kalloc.128: expected 0xdeadbeefdeadbeef but found 0xffffff807c11dd50, bits changed 0x2152416fa2bc63bf, at offset 88 of 128 in element 0xffffff80614cc900, cookies 0x3f0011620e160bb8 0x5352144bbf77729"@/BuildRoot/Library/Caches/com.apple.xbs/Sources/xnu/xnu-4903.278.28/osfmk/kern/zalloc.c:1206 Backtrace (CPU 2), Frame : Return Address 0xffffffa3d92133c0 : 0xffffff80111af58d 0xffffffa3d9213410 : 0xffffff80112eb145 0xffffffa3d9213450 : 0xffffff80112dc87a 0xffffffa3d92134c0 : 0xffffff801115c9d0 0xffffffa3d92134e0 : 0xffffff80111aefa7 0xffffffa3d9213600 : 0xffffff80111aedf3 0xffffffa3d9213670 : 0xffffff8011205446 0xffffffa3d92137c0 : 0xffffff80111bba54 0xffffffa3d9213830 : 0xffffff80117cd427 0xffffffa3d9213870 : 0xffffff80117ce3ab 0xffffffa3d9213890 : 0xffffff801186a0a8 0xffffffa3d9213930 : 0xffffff8011870393 0xffffffa3d9213970 : 0xffffff7f91ec2310 0xffffffa3d9213a30 : 0xffffff801143ae82 0xffffffa3d9213aa0 : 0xffffff80113e1f54 0xffffffa3d9213b10 : 0xffffff80113e0af1 0xffffffa3d9213b50 : 0xffffff7f92a6d1d6 0xffffffa3d9213bb0 : 0xffffff7f92a6cea9 0xffffffa3d9213bd0 : 0xffffff7f92a6c75d 0xffffffa3d9213c60 : 0xffffff7f92b18643 0xffffffa3d9213cf0 : 0xffffff7f92b1813c 0xffffffa3d9213dd0 : 0xffffff7f92b17c8a 0xffffffa3d9213e40 : 0xffffff7f92b2d9f5 0xffffffa3d9213f50 : 0xffffff7f92b2d8af 0xffffffa3d9213fa0 : 0xffffff801115c0ce Kernel Extensions in backtrace: com.apple.iokit.IOStorageFamily(2.1)[F6337348-E16C-3E80-811B-E69D51B0517A]@0xffffff7f91eb5000->0xffffff7f91edcfff com.apple.filesystems.apfs(945.275.8)[BB175222-C771-3241-989F-0363C79384AD]@0xffffff7f92a6b000->0xffffff7f92b6cfff dependency: com.apple.kec.corecrypto(1.0)[859E24A9-6950-3417-964B-2B702A860B08]@0xffffff7f91ff7000 dependency: com.apple.driver.AppleEffaceableStorage(1.0)[150DF609-934F-3CC1-AC53-7DB09A326BD5]@0xffffff7f92692000 dependency: com.apple.iokit.IOStorageFamily(2.1)[F6337348-E16C-3E80-811B-E69D51B0517A]@0xffffff7f91eb5000 BSD process name corresponding to current thread: kernel_task Mac OS version: 18G4032 Kernel version: Darwin Kernel Version 18.7.0: Mon Feb 10 21:08:45 PST 2020; root:xnu-4903.278.28~1/RELEASE_X86_64 Kernel UUID: A52CF11D-A733-3E77-832B-D42063739C84 Kernel slide: 0x0000000010e00000 Kernel text base: 0xffffff8011000000 __HIB text base: 0xffffff8010f00000 System model name: iMac19,1 (Mac-AA95B1DDAB278B95) System uptime in nanoseconds: 98101227170759 last loaded kext at 950639826254: com.apple.filesystems.smbfs 3.3.2 (addr 0xffffff7f960a9000, size 442368) last unloaded kext at 107725487806: com.apple.driver.AppleSMCRTC 1.0 (addr 0xffffff7f9333f000, size 28672) loaded kexts: com.symantec.ips.kext 9.0.1 com.symantec.nfm.kext 9.0.0 com.symantec.internetSecurity.kext 9.0.2 com.symantec.SymXIPS 9.0.1 com.apple.filesystems.smbfs 3.3.2 com.apple.filesystems.msdosfs 1.10 com.apple.driver.AudioAUUC 1.70 com.apple.fileutil 20.036.15 com.apple.filesystems.autofs 3.0 com.apple.driver.ApplePlatformEnabler 2.7.0d0 com.apple.driver.AGPM 110.25.11 com.apple.driver.X86PlatformShim 1.0.0 com.apple.driver.AppleHDA 282.54 com.apple.driver.AppleUpstreamUserClient 3.6.5 com.apple.kext.AMDFramebuffer 2.1.1 com.apple.kext.AMDRadeonX4000 2.1.1 com.apple.kext.AMD9500Controller 2.1.1 com.apple.driver.AppleGraphicsDevicePolicy 3.50.15 com.apple.driver.AppleIntelKBLGraphics 12.1.0 com.apple.AGDCPluginDisplayMetrics 3.50.15 com.apple.driver.AppleHV 1 com.apple.iokit.IOUserEthernet 1.0.1 com.apple.iokit.IOBluetoothSerialManager 6.0.14d6 com.apple.driver.pmtelemetry 1 com.apple.Dont_Steal_Mac_OS_X 7.0.0 com.apple.driver.AppleIntelSlowAdaptiveClocking 4.0.0 com.apple.driver.AppleMCCSControl 1.5.9 com.apple.driver.AppleIntelPCHPMC 2.0.1 com.apple.driver.AppleOSXWatchdog 1 com.apple.driver.eficheck 1 com.apple.driver.AppleSMCLMU 212 com.apple.driver.AppleIntelCFLGraphicsFramebuffer 12.1.0 com.apple.driver.AppleGFXHDA 100.1.414 com.apple.driver.AppleThunderboltIP 3.1.2 com.apple.driver.AppleUSBStorageCoexistentDriver 456.260.3 com.apple.driver.AppleTopCaseHIDEventDriver 138.4 com.apple.driver.AppleUSBTopCaseDriver 138.4 com.apple.iokit.SCSITaskUserClient 408.250.3 com.apple.driver.BCMWLANFirmware4364.Hashstore 1 com.apple.driver.BCMWLANFirmware4377.Hashstore 1 com.apple.driver.BCMWLANFirmware4355.Hashstore 1 com.apple.driver.AppleVirtIO 2.1.3 com.apple.filesystems.hfs.kext 407.200.4 com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1 com.apple.BootCache 40 com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0 com.apple.AppleSystemPolicy 1.0 com.apple.driver.AppleSDXC 1.7.6 com.apple.iokit.AppleBCM5701Ethernet 10.3.3 com.apple.driver.AppleBCMWLANBusInterfacePCIe 1 com.apple.filesystems.apfs 945.275.8 com.apple.driver.AppleAHCIPort 329.260.5 com.apple.private.KextAudit 1.0 com.apple.driver.AppleACPIButtons 6.1 com.apple.driver.AppleRTC 2.0 com.apple.driver.AppleSMBIOS 2.1 com.apple.driver.AppleACPIEC 6.1 com.apple.driver.AppleAPIC 1.7 com.apple.nke.applicationfirewall 202 com.apple.security.TMSafetyNet 8 com.apple.kext.triggers 1.0 com.apple.driver.DspFuncLib 282.54 com.apple.kext.OSvKernDSPLib 528 com.apple.kext.AMDRadeonX4400HWLibs 1.0 com.apple.kext.AMDRadeonX4000HWServices 2.1.1 com.apple.driver.AppleGraphicsControl 3.50.15 com.apple.driver.AppleHDAController 282.54 com.apple.iokit.IOHDAFamily 282.54 com.apple.kext.AMDSupport 2.1.1 com.apple.iokit.IOBluetoothHostControllerUARTTransport 6.0.14d6 com.apple.iokit.IOBluetoothHostControllerTransport 6.0.14d6 com.apple.iokit.IOAVBFamily 760.6 com.apple.plugin.IOgPTPPlugin 740.2 com.apple.driver.AppleSSE 1.0 com.apple.AppleGPUWrangler 3.50.15 com.apple.iokit.IOSlowAdaptiveClockingFamily 1.0.0 com.apple.driver.AppleSMBusController 1.0.18d1 com.apple.driver.AppleSMBusPCI 1.0.14d1 com.apple.driver.AppleIntelLpssUARTv1 3.0.60 com.apple.driver.AppleIntelLpssUARTCommon 3.0.60 com.apple.driver.AppleOnboardSerial 1.0 com.apple.iokit.IOSkywalkFamily 1 com.apple.driver.X86PlatformPlugin 1.0.0 com.apple.driver.IOPlatformPluginFamily 6.0.0d8 com.apple.AppleGraphicsDeviceControl 3.50.15 com.apple.iokit.IOAcceleratorFamily2 404.14 com.apple.iokit.IOSurface 255.6.1 com.apple.iokit.IONDRVSupport 530.51 com.apple.iokit.IOGraphicsFamily 530.68 com.apple.iokit.IOUSBMassStorageClass 4.0.4 com.apple.driver.AppleActuatorDriver 2450.1 com.apple.driver.AppleHSBluetoothDriver 138.4 com.apple.driver.IOBluetoothHIDDriver 6.0.14d6 com.apple.iokit.IOBluetoothFamily 6.0.14d6 com.apple.driver.AppleHIDKeyboard 208 com.apple.driver.AppleMultitouchDriver 2450.1 com.apple.driver.AppleInputDeviceSupport 2440.4 com.apple.driver.usb.AppleUSBHub 1.2 com.apple.driver.usb.IOUSBHostHIDDevice 1.2 com.apple.iokit.IOAudioFamily 206.5 com.apple.vecLib.kext 1.2.0 com.apple.driver.usb.networking 5.0.0 com.apple.driver.usb.AppleUSBHostCompositeDevice 1.2 com.apple.filesystems.hfs.encodings.kext 1 com.apple.driver.AppleThunderboltPCIDownAdapter 2.1.5 com.apple.driver.AppleThunderboltDPInAdapter 5.6.9 com.apple.driver.AppleThunderboltDPAdapterFamily 5.6.9 com.apple.driver.AppleHPM 3.4.1 com.apple.driver.AppleIntelLpssI2CController 3.0.60 com.apple.driver.AppleIntelLpssDmac 3.0.60 com.apple.driver.AppleIntelLpssI2C 3.0.60 com.apple.driver.AppleThunderboltNHI 4.7.9 com.apple.iokit.IOThunderboltFamily 6.8.7 com.apple.iokit.IOEthernetAVBController 1.1.0 com.apple.driver.AppleBCMWLANCore 1.0.0 com.apple.driver.mDNSOffloadUserClient 1.0.1b8 com.apple.driver.IOImageLoader 1.0.0 com.apple.iokit.IOSerialFamily 11 com.apple.iokit.IO80211FamilyV2 1200.12.2 com.apple.driver.corecapture 1.0.4 com.apple.iokit.IOAHCIBlockStorage 301.270.1 com.apple.iokit.IONVMeFamily 2.1.0 com.apple.iokit.IOAHCIFamily 288 com.apple.driver.usb.AppleUSBXHCIPCI 1.2 com.apple.driver.usb.AppleUSBXHCI 1.2 com.apple.driver.usb.AppleUSBHostPacketFilter 1.0 com.apple.iokit.IOUSBFamily 900.4.2 com.apple.driver.AppleEFINVRAM 2.1 com.apple.driver.AppleEFIRuntime 2.1 com.apple.iokit.IOSMBusFamily 1.1 com.apple.iokit.IOHIDFamily 2.0.0 com.apple.security.quarantine 3 com.apple.security.sandbox 300.0 com.apple.kext.AppleMatch 1.0.0d1 com.apple.driver.DiskImages 493.0.0 com.apple.driver.AppleFDEKeyStore 28.30 com.apple.driver.AppleEffaceableStorage 1.0 com.apple.driver.AppleKeyStore 2 com.apple.driver.AppleUSBTDM 456.260.3 com.apple.driver.AppleMobileFileIntegrity 1.0.5 com.apple.iokit.IOUSBMassStorageDriver 145.200.2 com.apple.iokit.IOSCSIBlockCommandsDevice 408.250.3 com.apple.iokit.IOSCSIArchitectureModelFamily 408.250.3 com.apple.iokit.IOStorageFamily 2.1 com.apple.kext.CoreTrust 1 com.apple.driver.AppleCredentialManager 1.0 com.apple.driver.KernelRelayHost 1 com.apple.iokit.IOUSBHostFamily 1.2 com.apple.driver.usb.AppleUSBCommon 1.0 com.apple.driver.AppleBusPowerController 1.0 com.apple.driver.AppleSEPManager 1.0.1 com.apple.driver.IOSlaveProcessor 1 com.apple.iokit.IOReportFamily 47 com.apple.iokit.IOTimeSyncFamily 740.2 com.apple.iokit.IONetworkingFamily 3.4 com.apple.driver.AppleACPIPlatform 6.1 com.apple.driver.AppleSMC 3.1.9 com.apple.iokit.IOPCIFamily 2.9 com.apple.iokit.IOACPIFamily 1.4 com.apple.kec.pthread 1 com.apple.kec.Libm 1 com.apple.kec.corecrypto 1.0 EOF Model: iMac19,1, BootROM 1037.100.345.0.0, 6 processors, Intel Core i5, 3.7 GHz, 32 GB, SMC 2.46f12 Graphics: kHW_AMDRadeonPro580XItem, Radeon Pro 580X, spdisplays_pcie_device, 8 GB Memory Module: BANK 0/ChannelA-DIMM0, 16 GB, DDR4, 2667 MHz, SK Hynix, HMA82GS6CJR8N-VK Memory Module: BANK 2/ChannelB-DIMM0, 16 GB, DDR4, 2667 MHz, SK Hynix, HMA82GS6CJR8N-VK AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x7BF), wl0: Oct 23 2019 08:32:36 version 9.137.11.0.32.6.36 FWID 01-671ec60c Bluetooth: Version 6.0.14d6, 3 services, 27 devices, 1 incoming serial ports Network Service: Ethernet, Ethernet, en0 Network Service: Wi-Fi, AirPort, en1 Serial ATA Device: APPLE HDD ST3000DM001, 3 TB USB Device: USB 3.1 Bus USB Device: ioSafe G3 USB Device: FaceTime HD Camera (Built-in) USB Device: USB 2.0 Hub [MTT] USB Device: USB 2.0 Hub USB Device: My Passport 2599 USB Device: Magic Trackpad 2 USB Device: Vendor-Specific Device Thunderbolt Bus: iMac, Apple Inc., 42.1