MacBookPro 2017；

从升级BigSur以后这个问题就一直存在

panic(cpu 3 caller 0xffffff8017cbf5fd): "a freed zone element has been modified in zone flow_divert_pcb: " "expected 0x3a3530175411a732 but found 0, bits changed 0x3a3530175411a732, " "at offset 0 of 216 in element 0xffffff86de666e70, cookies 0x3f00112e7eee79a4 0x53521392affde97"@/AppleInternal/BuildRoot/Library/Caches/com.apple.xbs/Sources/xnu/xnu-7195.81.3/osfmk/kern/zalloc.c:1644

Backtrace (CPU 3), Frame : Return Address

0xffffffb0dd98b910 : 0xffffff80174bab4d 

0xffffffb0dd98b960 : 0xffffff80175fd7e3 

0xffffffb0dd98b9a0 : 0xffffff80175ede1a 

0xffffffb0dd98b9f0 : 0xffffff801745fa2f 

0xffffffb0dd98ba10 : 0xffffff80174ba3ed 

0xffffffb0dd98bb30 : 0xffffff80174ba6d8 

0xffffffb0dd98bba0 : 0xffffff8017cbef9a 

0xffffffb0dd98bc10 : 0xffffff8017cbf5fd 

0xffffffb0dd98bc60 : 0xffffff8017cbf7bc 

0xffffffb0dd98bcb0 : 0xffffff801751746b 

0xffffffb0dd98bce0 : 0xffffff801751762b 

0xffffffb0dd98bd60 : 0xffffff80179388a0 

0xffffffb0dd98bdc0 : 0xffffff80179c9457 

0xffffffb0dd98be20 : 0xffffff8017aa6f8b 

0xffffffb0dd98be60 : 0xffffff8017ab8679 

0xffffffb0dd98bf40 : 0xffffff8017b698cb 

0xffffffb0dd98bfa0 : 0xffffff80174601f6 

Process name corresponding to current thread: WeChat

Mac OS version:

20D91

Kernel version:

Darwin Kernel Version 20.3.0: Thu Jan 21 00:07:06 PST 2021; root:xnu-7195.81.3~1/RELEASE_X86_64

Kernel UUID: ********-****-****-****-************

KernelCache slide: 0x0000000017200000

KernelCache base:  0xffffff8017400000

Kernel slide:      0x0000000017210000

Kernel text base:  0xffffff8017410000

__HIB  text base: 0xffffff8017300000

System model name: MacBookPro14,3 (Mac-551B86E5744E2388)

System shutdown begun: NO

Panic diags file available: YES (0x0)

Hibernation exit count: 0

System uptime in nanoseconds: 3698265129277

Last Sleep:           absolute           base_tsc          base_nano

  Uptime  : 0x0000035d11c7849b

  Sleep   : 0x0000034a1f54a63e 0x000000008381f64a 0x0000030d209923a6

  Wake    : 0x0000034a27d5ef07 0x00000000836c92bf 0x0000034a25f44b6a

last started kext at 1327704321116: >!UAudio 401.4 (addr 0xffffff7fb7911000, size 307200)

loaded kexts:

@filesystems.smbfs 3.4.1

>!AMikeyHIDDriver 131

>AudioAUUC 1.70

>!AHIDALSService 1

>AGPM 119

>!APlatformEnabler 2.7.0d0

>X86PlatformShim 1.0.0

@fileutil 20.036.15

@kext.AMDFramebuffer 4.0.2

@filesystems.autofs 3.0

@kext.AMDRadeonX4000 4.0.2

@kext.AMDRadeonServiceManager 4.0.2

>!AUpstreamUserClient 3.6.8

>!AGraphicsDevicePolicy 6.2.2

@AGDCPluginDisplayMetrics 6.2.2

>!AHDAHardwareConfigDriver 283.15

>pmtelemetry 1

>LuaHardwareAccess 1.0.16

|IOUserEthernet 1.0.1

>usb.!UUserHCI 1

>!A!IKBLGraphics 16.0.1

@kext.AMD9500!C 4.0.2

>SMCMotionSensor 3.0.4d1

>!AHDA 283.15

>!A!IPCHPMC 2.0.1

|IO!BSerialManager 8.0.3d9

@Dont_Steal_Mac_OS_X 7.0.0

>!A!IKBLGraphicsFramebuffer 16.0.1

>!AEmbeddedOSSupportHost 1

>!AHV 1

>!ADiskImages2 1

>AGDCBacklightControl 6.2.2

>!ABacklight 180.3

>!AMCCSControl 1.14

>!AGFXHDA 100.1.431

>!A!ISlowAdaptiveClocking 4.0.0

>ACPI_SMC_PlatformPlugin 1.0.0

>!AMuxControl 6.2.2

>!AThunderboltIP 4.0.3

>!AFIVRDriver 4.1.0

>eficheck 1

>Core!SFsck 554

>usb.realtek8153patcher 5.0.0

|SCSITaskUserClient 436.40.6

>!AFileSystemDriver 3.0.1

@filesystems.tmpfs 1

@filesystems.hfs.kext 556.60.1

@BootCache 40

@!AFSCompression.!AFSCompressionTypeZlib 1.0.0

@!AFSCompression.!AFSCompressionTypeDataless 1.0.0d1

>!ATopCaseHIDEventDriver 4030.5

>AirPort.BrcmNIC 1400.1.1

@filesystems.apfs 1677.81.1

@private.KextAudit 1.0

>!ASmartBatteryManager 161.0.0

>!AACPIButtons 6.1

>!ARTC 2.0

>!ASMBIOS 2.1

>!AACPIEC 6.1

>!AAPIC 1.7

@!ASystemPolicy 2.0.0

@nke.applicationfirewall 310

|IOKitRegistryCompatibility 1

|EndpointSecurity 1

>!UAudio 401.4

@kext.triggers 1.0

@kext.AMDRadeonX4100HWLibs 1.0

@kext.AMDRadeonX4000HWServices 4.0.2

>usb.cdc.acm 5.0.0

>usb.serial 6.0.0

@kext.AMDSupport 4.0.2

>DspFuncLib 283.15

@kext.OSvKernDSPLib 529

|IOAVB!F 930.1

|IO!BHost!CUARTTransport 8.0.3d9

|IO!BHost!CTransport 8.0.3d9

|IOAccelerator!F2 439.52

@plugin.IOgPTPPlugin 900.11

|IOEthernetAVB!C 1.1.0

>!A!ILpssUARTv1 3.0.60

>!A!ILpssUARTCommon 3.0.60

>!AOnboardSerial 1.0

|IOSerial!F 11

>!ASMBusPCI 1.0.14d1

>!ABacklightExpert 1.1.0

>!ASMBus!C 1.0.18d1

|IONDRVSupport 585

@!AGPUWrangler 6.2.2

|IOSlowAdaptiveClocking!F 1.0.0

>IOPlatformPluginLegacy 1.0.0

>!AGraphicsControl 6.2.2

@!AGraphicsDeviceControl 6.2.2

>!AHDA!C 283.15

|IOHDA!F 283.15

|IOGraphics!F 585

|IOAudio!F 300.6.1

@vecLib.kext 1.2.0

>!AThunderboltEDMSink 5.0.3

>!AThunderboltDPOutAdapter 8.1.4

>X86PlatformPlugin 1.0.0

>IOPlatformPlugin!F 6.0.0d8

>Core!S 554

>usb.IOUSBHostHIDDevice 1.2

>!UMergeNub 900.4.2

>usb.!UHub 1.2

>usb.cdc.ecm 5.0.0

>usb.cdc.ncm 5.0.0

>usb.!UiBridge 1.0

>usb.cdc 5.0.0

>usb.networking 5.0.0

>usb.!UHostCompositeDevice 1.2

>!AThunderboltDPInAdapter 8.1.4

>!AThunderboltDPAdapter!F 8.1.4

>!AThunderboltPCIDownAdapter 4.1.1

>!ABSDKextStarter 3

|IOSurface 289.3

@filesystems.hfs.encodings.kext 1

>!AActuatorDriver 4400.28

>!AHIDKeyboard 223

>!AMultitouchDriver 4400.28

>!AInputDeviceSupport 4400.35

>!AHS!BDriver 4030.5

>IO!BHIDDriver 8.0.3d9

>!AHSSPIHIDDriver 61

>!AHSSPISupport 61

|IO80211!F 1200.12.2b1

|IOSkywalk!F 1

>mDNSOffloadUserClient 1.0.1b8

>corecapture 1.0.4

>!A!ILpssSpi!C 3.0.60

>!AXsanScheme 3

|IONVMe!F 2.1.0

>!AThunderboltNHI 7.2.8

>!AHPM 3.4.4

|IOThunderbolt!F 9.3.2

>!A!ILpssI2C!C 3.0.60

>!A!ILpssDmac 3.0.60

>!A!ILpssI2C 3.0.60

>!A!ILpssGspi 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

$!AImage4 3.0.0

|IOTimeSync!F 900.11

|IONetworking!F 3.4

>DiskImages 493.0.0

|IO!B!F 8.0.3d9

|IOReport!F 47

|IO!BPacketLogger 8.0.3d9

$quarantine 4

$sandbox 300.0

@kext.!AMatch 1.0.0d1

|CoreAnalytics!F 1

>!ASSE 1.0

>!AKeyStore 2

>!UTDM 511.60.2

|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 11.1

@kec.Libm 1