panic(cpu 0 caller 0xffffff7f95db5f1f): "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 0), Frame : Return Address
0xffffff801f792d20 : 0xffffff801271961d 
0xffffff801f792d70 : 0xffffff8012853ac5 
0xffffff801f792db0 : 0xffffff801284564e 
0xffffff801f792e00 : 0xffffff80126bfa40 
0xffffff801f792e20 : 0xffffff8012718ce7 
0xffffff801f792f20 : 0xffffff80127190d7 
0xffffff801f792f70 : 0xffffff8012ec00bc 
0xffffff801f792fe0 : 0xffffff7f95db5f1f 
0xffffff801f793060 : 0xffffff7f95da6df6 
0xffffff801f7930b0 : 0xffffff7f95dae95b 
0xffffff801f7931c0 : 0xffffff7f95dae050 
0xffffff801f793250 : 0xffffff7f95db07ba 
0xffffff801f7932b0 : 0xffffff7f95de02f3 
0xffffff801f7932f0 : 0xffffff7f95da5a21 
0xffffff801f793360 : 0xffffff7f95db91dc 
0xffffff801f793a20 : 0xffffff80129ac4b0 
0xffffff801f793aa0 : 0xffffff8012c45923 
0xffffff801f793f40 : 0xffffff8012d83237 
0xffffff801f793fa0 : 0xffffff80126c0206 
      Kernel Extensions in backtrace:
         com.apple.filesystems.hfs.kext(522.100.5)[87C3C850-D7CB-3289-8C3A-607DA94732B5]@0xffffff7f95d98000->0xffffff7f95dfbfff
            dependency: com.apple.filesystems.hfs.encodings.kext(1)[0A512972-CFC2-37D3-856C-AE9C8007A449]@0xffffff7f93b08000

BSD process name corresponding to current thread: backupd

Mac OS version:
19H114

Kernel version:
Darwin Kernel Version 19.6.0: Tue Nov 10 00:10:30 PST 2020; root:xnu-6153.141.10~1/RELEASE_X86_64
Kernel UUID: A477D537-F87E-3978-8D7F-A84B7C02E62E
Kernel slide:     0x0000000012400000
Kernel text base: 0xffffff8012600000
__HIB  text base: 0xffffff8012500000
System model name: MacBookPro13,2 (Mac-66E35819EE2D0D05)
System shutdown begun: NO
Panic diags file available: YES (0x0)

System uptime in nanoseconds: 1597835750140
last loaded kext at 1503613079460: >!AXsanScheme	3 (addr 0xffffff7f96163000, size 32768)
last unloaded kext at 493681262106: >usb.!UHostPacketFilter	1.0 (addr 0xffffff7f93d85000, size 24576)
loaded kexts:
@filesystems.afpfs	11.2
@nke.asp-tcp	8.1
>AudioAUUC	1.70
@fileutil	20.036.15
>AGPM	111.4.4
>!APlatformEnabler	2.7.0d0
>X86PlatformShim	1.0.0
>!AHIDALSService	1
@filesystems.autofs	3.0
>!AUpstreamUserClient	3.6.8
>!AHDA	283.15
>!AGraphicsDevicePolicy	5.2.7
>!A!ISKLGraphics	14.0.7
@AGDCPluginDisplayMetrics	5.2.7
>!A!ISKLGraphicsFramebuffer	14.0.7
>!AHV	1
|IOUserEthernet	1.0.1
|IO!BSerialManager	7.0.6f8
>pmtelemetry	1
>eficheck	1
@Dont_Steal_Mac_OS_X	7.0.0
>!A!IPCHPMC	2.0.1
>!AThunderboltIP	3.1.4
>!ABacklight	180.3
>!A!ISlowAdaptiveClocking	4.0.0
>!AEmbeddedOSSupportHost	1
>!AMCCSControl	1.14
>usb.realtek8153patcher	5.0.0
@filesystems.apfs	1412.141.1
>!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
>!AXsanScheme	3
$SecureRemotePassword	1.0
@kext.triggers	1.0
>DspFuncLib	283.15
@kext.OSvKernDSPLib	529
>!AGraphicsControl	5.2.7
|IO!BHost!CUARTTransport	7.0.6f8
|IO!BHost!CTransport	7.0.6f8
|IOAccelerator!F2	438.7.3
|IOAVB!F	850.1
>X86PlatformPlugin	1.0.0
>IOPlatformPlugin!F	6.0.0d8
>!ABacklightExpert	1.1.0
|IONDRVSupport	576.1
@!AGPUWrangler	5.2.7
@!AGraphicsDeviceControl	5.2.7
>!AHDA!C	283.15
|IOHDA!F	283.15
|IOSlowAdaptiveClocking!F	1.0.0
>!ASMBus!C	1.0.18d1
|IOGraphics!F	576.1
>!A!ILpssUARTv1	3.0.60
>!A!ILpssUARTCommon	3.0.60
>!AOnboardSerial	1.0
@plugin.IOgPTPPlugin	840.3
|IOEthernetAVB!C	1.1.0
>usb.cdc.ncm	5.0.0
>usb.!UiBridge	1.0
>usb.cdc	5.0.0
>usb.networking	5.0.0
>usb.!UHostCompositeDevice	1.2
|IOAudio!F	300.2
@vecLib.kext	1.2.0
|IOSerial!F	11
|IOSurface	269.11
@filesystems.hfs.encodings.kext	1
>!AActuatorDriver	3440.1
>!AHIDKeyboard	209
>!AHS!BDriver	3430.1
>IO!BHIDDriver	7.0.6f8
|IO!B!F	7.0.6f8
|IO!BPacketLogger	7.0.6f8
>!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
|IOUSB!F	900.4.2
>!A!ILpssGspi	3.0.60
>!A!ILpssI2C	3.0.60
>usb.!UXHCIPCI	1.2
>usb.!UXHCI	1.2
>!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