panic(cpu 3 caller 0xffffff7f87035f1f): "hfs_UNswap_BTNode: invalid backward link (0x0001916b == 0x0001916b)\n"@/AppleInternal/BuildRoot/Library/Caches/com.apple.xbs/Sources/hfs/hfs-522.100.5/core/hfs_endian.c:302
Backtrace (CPU 3), Frame : Return Address
0xffffff8010b13700 : 0xffffff800391868d 
0xffffff8010b13750 : 0xffffff8003a52ab5 
0xffffff8010b13790 : 0xffffff8003a4463e 
0xffffff8010b137e0 : 0xffffff80038bea40 
0xffffff8010b13800 : 0xffffff8003917d57 
0xffffff8010b13900 : 0xffffff8003918147 
0xffffff8010b13950 : 0xffffff80040bf2bc 
0xffffff8010b139c0 : 0xffffff7f87035f1f 
0xffffff8010b13a40 : 0xffffff7f87026df6 
0xffffff8010b13a90 : 0xffffff7f8702e95b 
0xffffff8010b13ba0 : 0xffffff7f8702e050 
0xffffff8010b13c30 : 0xffffff7f870307ba 
0xffffff8010b13c90 : 0xffffff7f870602f3 
0xffffff8010b13cd0 : 0xffffff7f8704b5a2 
0xffffff8010b13ea0 : 0xffffff8003b836aa 
0xffffff8010b13ec0 : 0xffffff8003b716ac 
0xffffff8010b13f30 : 0xffffff8003b835b7 
0xffffff8010b13f40 : 0xffffff8003f82437 
0xffffff8010b13fa0 : 0xffffff80038bf206 
      Kernel Extensions in backtrace:
         com.apple.filesystems.hfs.kext(522.100.5)[F5A20CA4-3157-35F9-B481-8F154A1C1771]@0xffffff7f87018000->0xffffff7f8707bfff
            dependency: com.apple.filesystems.hfs.encodings.kext(1)[82910863-FD74-3CC1-91E8-2D530087278C]@0xffffff7f84d16000

BSD process name corresponding to current thread: launchd

Mac OS version:
19H15

Kernel version:
Darwin Kernel Version 19.6.0: Thu Oct 29 22:56:45 PDT 2020; root:xnu-6153.141.2.2~1/RELEASE_X86_64
Kernel UUID: 9B5A7191-5B84-3990-8710-D9BD9273A8E5
Kernel slide:     0x0000000003600000
Kernel text base: 0xffffff8003800000
__HIB  text base: 0xffffff8003700000
System model name: MacBookPro13,2 (Mac-66E35819EE2D0D05)
System shutdown begun: NO
Panic diags file available: YES (0x0)

System uptime in nanoseconds: 361208686933
last loaded kext at 227368092567: @filesystems.afpfs	11.2 (addr 0xffffff7f87395000, size 364544)
loaded kexts:
com.sophos.kext.oas	9.9.4
com.sophos.nke.swi	9.9.4
com.sophos.kext.sfm	9.9.4
@filesystems.afpfs	11.2
@nke.asp-tcp	8.1
>AudioAUUC	1.70
@fileutil	20.036.15
>AGPM	111.4.4
>X86PlatformShim	1.0.0
>!APlatformEnabler	2.7.0d0
>!AHIDALSService	1
@filesystems.autofs	3.0
>!AUpstreamUserClient	3.6.8
>!AHDAHardwareConfigDriver	283.15
>!AHDA	283.15
>!A!ISKLGraphics	14.0.7
>!A!ISKLGraphicsFramebuffer	14.0.7
>!AGraphicsDevicePolicy	5.2.6
>ACPI_SMC_PlatformPlugin	1.0.0
@AGDCPluginDisplayMetrics	5.2.6
>!AHV	1
|IOUserEthernet	1.0.1
|IO!BSerialManager	7.0.6f7
>pmtelemetry	1
>!A!IPCHPMC	2.0.1
>AGDCBacklightControl	5.2.6
>eficheck	1
@Dont_Steal_Mac_OS_X	7.0.0
>!AThunderboltIP	3.1.4
>!ABacklight	180.3
>!AMCCSControl	1.14
>!AFIVRDriver	4.1.0
>!AEmbeddedOSSupportHost	1
>!A!ISlowAdaptiveClocking	4.0.0
>usb.realtek8153patcher	5.0.0
@filesystems.apfs	1412.141.1
>!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
>!ATopCaseHIDEventDriver	3430.1
>AirPort.BrcmNIC	1400.1.1
@private.KextAudit	1.0
>!ASmartBatteryManager	161.0.0
>!AACPIButtons	6.1
>!ARTC	2.0
>!ASMBIOS	2.1
>!AACPIEC	6.1
>!AAPIC	1.7
$!AImage4	1
@nke.applicationfirewall	303
$TMSafetyNet	8
@!ASystemPolicy	2.0.0
|EndpointSecurity	1
$SecureRemotePassword	1.0
@kext.triggers	1.0
>DspFuncLib	283.15
@kext.OSvKernDSPLib	529
|IOAccelerator!F2	438.7.3
>!AGraphicsControl	5.2.6
>IOPlatformPluginLegacy	1.0.0
>X86PlatformPlugin	1.0.0
|IO!BHost!CUARTTransport	7.0.6f7
|IO!BHost!CTransport	7.0.6f7
|IOAVB!F	850.1
>IOPlatformPlugin!F	6.0.0d8
>!AThunderboltEDMSink	4.2.3
>!AThunderboltDPOutAdapter	6.2.6
>!ABacklightExpert	1.1.0
|IONDRVSupport	576.1
>!ASMBus!C	1.0.18d1
@!AGPUWrangler	5.2.6
@!AGraphicsDeviceControl	5.2.6
>!AHDA!C	283.15
|IOGraphics!F	576.1
|IOHDA!F	283.15
>!ASMBusPCI	1.0.14d1
|IOSlowAdaptiveClocking!F	1.0.0
>!A!ILpssUARTv1	3.0.60
>!A!ILpssUARTCommon	3.0.60
>!AOnboardSerial	1.0
@plugin.IOgPTPPlugin	840.3
|IOEthernetAVB!C	1.1.0
>usb.cdc.ecm	5.0.0
>usb.cdc.ncm	5.0.0
>!UAudio	323.4
>usb.!UiBridge	1.0
>usb.cdc	5.0.0
>usb.networking	5.0.0
>usb.!UHostCompositeDevice	1.2
>!AXsanScheme	3
>!AActuatorDriver	3440.1
|IOAudio!F	300.2
@vecLib.kext	1.2.0
|IOSerial!F	11
|IOSurface	269.11
@filesystems.hfs.encodings.kext	1
>!AHIDKeyboard	209
>!AHS!BDriver	3430.1
>IO!BHIDDriver	7.0.6f7
|IO!B!F	7.0.6f7
|IO!BPacketLogger	7.0.6f7
>!AMultitouchDriver	3440.1
>!AInputDeviceSupport	3440.8
>!AHSSPIHIDDriver	59
>!AThunderboltDPInAdapter	6.2.6
>!AThunderboltDPAdapter!F	6.2.6
>!AThunderboltPCIDownAdapter	2.5.4
>!AHPM	3.4.4
>!A!ILpssI2C!C	3.0.60
>!AHSSPISupport	59
>!AThunderboltNHI	5.8.6
|IOThunderbolt!F	7.6.1
|IO80211!F	1200.12.2b1
>mDNSOffloadUserClient	1.0.1b8
>corecapture	1.0.4
|IOSkywalk!F	1
>!A!ILpssSpi!C	3.0.60
>!A!ILpssDmac	3.0.60
|IONVMe!F	2.1.0
>!A!ILpssGspi	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
>!ASSE	1.0
>!AKeyStore	2
>!UTDM	489.120.1
|IOSCSIBlockCommandsDevice	422.120.3
>!ACredentialManager	1.0
>KernelRelayHost	1
>!ASEPManager	1.0.1
>IOSlaveProcessor	1
|IOUSBMass!SDriver	157.140.1
|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
|IOTimeSync!F	840.3
|IONetworking!F	3.4
|IOReport!F	47
>!AACPIPlatform	6.1
>!ASMC	3.1.9
>watchdog	1
|IOPCI!F	2.9
|IOACPI!F	1.4
@kec.pthread	1
@kec.corecrypto	1.0
@kec.Libm	1