*** Panic Report *** panic(cpu 3 caller 0xffffff7f8723b71f): "sfree on invalid allocation at 0xffffff80433389b0"@/BuildRoot/Library/Caches/com.apple.xbs/Sources/Sandbox_executables/Sandbox-765.70.1/src/kext/smalloc.c:248 Backtrace (CPU 3), Frame : Return Address 0xffffff80191d2f70 : 0xffffff800626ce56 0xffffff80191d2fc0 : 0xffffff8006396434 0xffffff80191d3000 : 0xffffff8006388604 0xffffff80191d3070 : 0xffffff800621ee60 0xffffff80191d3090 : 0xffffff800626c8cc 0xffffff80191d31c0 : 0xffffff800626c68c 0xffffff80191d3220 : 0xffffff7f8723b71f 0xffffff80191d3250 : 0xffffff7f8722a19c 0xffffff80191d3270 : 0xffffff7f8723f773 0xffffff80191d3290 : 0xffffff7f872323bd 0xffffff80191d32d0 : 0xffffff7f87232172 0xffffff80191d3300 : 0xffffff8006902974 0xffffff80191d3320 : 0xffffff80066ecd1d 0xffffff80191d3340 : 0xffffff8006758d38 0xffffff80191d33a0 : 0xffffff80062daa26 0xffffff80191d33c0 : 0xffffff800630ded4 0xffffff80191d33f0 : 0xffffff800649ad05 0xffffff80191d3470 : 0xffffff800649a616 0xffffff80191d34b0 : 0xffffff800649b724 0xffffff80191d34e0 : 0xffffff800649d5a2 0xffffff80191d3560 : 0xffffff7f888d2492 0xffffff80191d3670 : 0xffffff7f8889be80 0xffffff80191d3800 : 0xffffff80064cd46f 0xffffff80191d3880 : 0xffffff80064a0a89 0xffffff80191d38e0 : 0xffffff80064c13a5 0xffffff80191d3980 : 0xffffff80064ac91f 0xffffff80191d3bc0 : 0xffffff80064ad364 0xffffff80191d3f40 : 0xffffff8006803f48 0xffffff80191d3fa0 : 0xffffff800621f646 Kernel Extensions in backtrace: com.apple.kext.AppleMatch(1.0d1)[2D2996CA-A15E-39E6-9D6B-2BE6DF131972]@0xffffff7f87229000->0xffffff7f8722dfff com.apple.security.sandbox(300.0)[BDFF700A-6746-3643-A0A1-852628695B04]@0xffffff7f8722e000->0xffffff7f8724efff dependency: com.apple.driver.AppleMobileFileIntegrity(1.0.5)[044A9927-2EC2-34C1-8ED8-67D68C4F6B8E]@0xffffff7f8720e000 dependency: com.apple.kext.AppleMatch(1.0.0d1)[2D2996CA-A15E-39E6-9D6B-2BE6DF131972]@0xffffff7f87229000 dependency: com.apple.iokit.IOStorageFamily(2.1)[F27A8A2A-6662-3608-83BD-415037509E01]@0xffffff7f86db0000 com.apple.filesystems.hfs.kext(407.50.6)[09445723-F283-31E5-B409-43D905BA81C6]@0xffffff7f8888f000->0xffffff7f888f5fff dependency: com.apple.filesystems.hfs.encodings.kext(1)[F737F125-223E-3B67-B4FF-5AB56291D4FE]@0xffffff7f88887000 BSD process name corresponding to current thread: com.apple.WebKit Mac OS version: 17G12034 Kernel version: Darwin Kernel Version 17.7.0: Tue Feb 18 22:51:29 PST 2020; root:xnu-4570.71.73~1/RELEASE_X86_64 Kernel UUID: F9494C59-371A-38C9-BA91-8A8AA7582B96 Kernel slide: 0x0000000006000000 Kernel text base: 0xffffff8006200000 __HIB text base: 0xffffff8006100000 System model name: MacBookPro8,1 (Mac-94245B3640C91C81) System uptime in nanoseconds: 69958124734584 last loaded kext at 50487749889577: com.apple.filesystems.apfs 748.51.0 (addr 0xffffff7f895b3000, size 999424) last unloaded kext at 50584302178047: com.apple.driver.AppleXsanScheme 3 (addr 0xffffff7f895ab000, size 32768) loaded kexts: com.symantec.nfm.kext 9.0.1 com.symantec.ips.kext 9.0.2 com.symantec.internetSecurity.kext 9.0.3 com.symantec.SymXIPS 9.0.1 com.apple.driver.AppleHWSensor 1.9.5d0 com.apple.driver.AudioAUUC 1.70 com.apple.driver.AGPM 110.23.37 com.apple.filesystems.autofs 3.0 com.apple.driver.AppleMikeyHIDDriver 131 com.apple.AGDCPluginDisplayMetrics 3.20.18 com.apple.driver.pmtelemetry 1 com.apple.driver.AppleUpstreamUserClient 3.6.5 com.apple.driver.ApplePolicyControl 3.20.18 com.apple.iokit.IOUserEthernet 1.0.1 com.apple.iokit.IOBluetoothSerialManager 6.0.7f18 com.apple.driver.AppleMikeyDriver 281.52 com.apple.driver.AppleHDA 281.52 com.apple.driver.AppleIntelHD3000Graphics 10.0.4 com.apple.driver.AppleBacklight 170.12.6 com.apple.Dont_Steal_Mac_OS_X 7.0.0 com.apple.driver.AppleHV 1 com.apple.driver.AppleThunderboltIP 3.1.1 com.apple.driver.AppleSMCPDRC 1.0.0 com.apple.driver.eficheck 1 com.apple.driver.AppleMCCSControl 1.5.5 com.apple.driver.AppleIntelSNBGraphicsFB 10.0.4 com.apple.driver.AppleSMCLMU 211 com.apple.driver.AppleOSXWatchdog 1 com.apple.driver.AppleLPC 3.1 com.apple.driver.AppleIntelSlowAdaptiveClocking 4.0.0 com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0 com.apple.driver.SMCMotionSensor 3.0.4d1 com.apple.driver.AppleUSBTCButtons 254 com.apple.driver.AppleUSBTCKeyboard 254 com.apple.driver.AppleIRController 353 com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1 com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0 com.apple.AppleSystemPolicy 1.0 com.apple.BootCache 40 com.apple.filesystems.hfs.kext 407.50.6 com.apple.iokit.SCSITaskUserClient 404.30.3 com.apple.driver.AppleSDXC 1.7.6 com.apple.iokit.AppleBCM5701Ethernet 10.3.1 com.apple.driver.AirPort.Brcm4331 800.21.30 com.apple.driver.AppleAHCIPort 329.50.2 com.apple.driver.AppleFWOHCI 5.5.9 com.apple.driver.AppleSmartBatteryManager 161.0.0 com.apple.driver.AppleRTC 2.0 com.apple.driver.AppleACPIButtons 6.1 com.apple.driver.AppleHPET 1.8 com.apple.driver.AppleSMBIOS 2.1 com.apple.driver.AppleACPIEC 6.1 com.apple.driver.AppleAPIC 1.7 com.apple.driver.AppleIntelCPUPowerManagementClient 220.50.1 com.apple.nke.applicationfirewall 186 com.apple.security.quarantine 3 com.apple.security.TMSafetyNet 8 com.apple.driver.AppleIntelCPUPowerManagement 220.50.1 com.apple.kext.triggers 1.0 com.apple.iokit.IOSurface 211.15 com.apple.iokit.IOSerialFamily 11 com.apple.iokit.IOAVBFamily 683.1 com.apple.plugin.IOgPTPPlugin 680.15 com.apple.driver.DspFuncLib 281.52 com.apple.kext.OSvKernDSPLib 526 com.apple.driver.AppleBacklightExpert 1.1.0 com.apple.driver.AppleSSE 1.0 com.apple.iokit.IONDRVSupport 519.21 com.apple.iokit.IOFireWireIP 2.2.9 com.apple.driver.AppleGraphicsControl 3.20.18 com.apple.driver.AppleSMBusController 1.0.18d1 com.apple.driver.AppleSMBusPCI 1.0.14d1 com.apple.AppleGPUWrangler 3.20.18 com.apple.AppleGraphicsDeviceControl 3.20.18 com.apple.iokit.IOSlowAdaptiveClockingFamily 1.0.0 com.apple.driver.AppleHDAController 281.52 com.apple.iokit.IOGraphicsFamily 519.23 com.apple.iokit.IOHDAFamily 281.52 com.apple.iokit.IOAudioFamily 206.5 com.apple.vecLib.kext 1.2.0 com.apple.driver.IOPlatformPluginLegacy 1.0.0 com.apple.driver.IOPlatformPluginFamily 6.0.0d8 com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 6.0.7f18 com.apple.iokit.IOBluetoothHostControllerUSBTransport 6.0.7f18 com.apple.iokit.IOBluetoothHostControllerTransport 6.0.7f18 com.apple.iokit.IOBluetoothFamily 6.0.7f18 com.apple.driver.AppleUSBMultitouch 262 com.apple.driver.usb.IOUSBHostHIDDevice 1.2 com.apple.driver.usb.networking 5.0.0 com.apple.driver.usb.AppleUSBHostCompositeDevice 1.2 com.apple.driver.usb.AppleUSBHub 1.2 com.apple.driver.CoreStorage 546.50.1 com.apple.filesystems.hfs.encodings.kext 1 com.apple.iokit.IOSCSIMultimediaCommandsDevice 404.30.3 com.apple.iokit.IOBDStorageFamily 1.8 com.apple.iokit.IODVDStorageFamily 1.8 com.apple.iokit.IOCDStorageFamily 1.8 com.apple.driver.AppleThunderboltDPInAdapter 5.5.5 com.apple.driver.AppleThunderboltDPAdapterFamily 5.5.5 com.apple.driver.AppleThunderboltPCIDownAdapter 2.1.3 com.apple.iokit.IOAHCISerialATAPI 267.50.1 com.apple.iokit.IOAHCIBlockStorage 301.40.2 com.apple.driver.AppleThunderboltNHI 4.7.3 com.apple.iokit.IOThunderboltFamily 6.7.10 com.apple.iokit.IOEthernetAVBController 1.1.0 com.apple.iokit.IOAHCIFamily 288 com.apple.iokit.IOFireWireFamily 4.7.2 com.apple.driver.usb.AppleUSBEHCIPCI 1.2 com.apple.iokit.IO80211Family 1200.12.2 com.apple.driver.mDNSOffloadUserClient 1.0.1b8 com.apple.driver.corecapture 1.0.4 com.apple.driver.usb.AppleUSBEHCI 1.2 com.apple.driver.usb.AppleUSBHostPacketFilter 1.0 com.apple.iokit.IOUSBFamily 900.4.1 com.apple.driver.AppleUSBHostMergeProperties 1.2 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.sandbox 300.0 com.apple.kext.AppleMatch 1.0.0d1 com.apple.driver.AppleFDEKeyStore 28.30 com.apple.driver.AppleEffaceableStorage 1.0 com.apple.driver.AppleKeyStore 2