WinDbg shows that Mullvad VPN failed with BlueScreen of death on my Microsoft Surface Laptop 5 on the latest Windows 11 24H2

[leonid1812]

Is it a bug?

• I know this is an issue with the app, and contacting Mullvad support is not relevant.

I have checked if others have reported this already

• I have checked the issue tracker to see if others have reported similar issues.

Current Behavior

1. BlueScreen of death on my computer with Windows 11 24H2
2. OS rebooted periodically
3. Errors in the Windows log file

Expected Behavior

Works without system rebooting

Steps to Reproduce

1. Install Windows 24H2 on Microsoft Surface Laptop 5. Install all necessary updates.
2. Install the latest version of Mullavad

Failure Logs

Hello,

I got the BlueScreen of death on my computer with Windows 11 24H2. I have installed the WinDbg utility and it shows that mullvad-wireguard.sys leads to this trouble.
This is example of dump;

BLACKBOXWINLOGON: 1

CUSTOMER_CRASH_COUNT:  1

PROCESS_NAME:  System

STACK_TEXT:  
ffffa101`3c9fab48 fffff805`c5d75129     : 00000000`00000133 00000000`00000000 00000000`00000500 00000000`00000500 : nt!KeBugCheckEx
ffffa101`3c9fab50 fffff805`c5d67b61     : fffff805`c69c33a0 00000000`00000002 00000000`00000000 00000000`00592ec2 : nt!KeAccumulateTicks+0x589
ffffa101`3c9fabc0 fffff805`c5d67725     : 00000000`00352831 00000000`00000000 000000d4`a0c7258b 00000000`0000000d : nt!KiUpdateRunTime+0xc9
ffffa101`3c9fac40 fffff805`c5c6e8fe     : 00000000`00000000 00000000`00000000 ffffa101`3c9e77c0 fffff805`c6920560 : nt!KiUpdateTime+0x2b5
ffffa101`3c9fadd0 fffff805`c5c702ad     : ffff8081`6e731ea0 00000000`00000000 ffff8081`6e731f50 fffff805`c698de28 : nt!KeClockInterruptNotify+0x66e
ffffa101`3c9faf50 fffff805`c607bc4e     : 00000000`02cd0b02 ffff8081`6e731ea0 ffffe90f`c2c6f3d0 000000d4`a0ca342f : nt!KiCallInterruptServiceRoutine+0x2ed
ffffa101`3c9fafb0 fffff805`c607c45c     : ffffa101`3c9de180 ffffe90f`c2c6f450 00000000`00000000 00000000`00000000 : nt!KiInterruptSubDispatchNoLockNoEtw+0x4e
ffffe90f`c2c6f3d0 fffff805`c5c7deb5     : ffff8081`860d4634 fffff805`65225172 ffffe90f`00000000 fffff805`00000000 : nt!KiInterruptDispatchNoLockNoEtw+0x3c
ffffe90f`c2c6f560 fffff805`c5c56656     : 00000000`0001003d 00000000`00000002 ffff8081`915b9650 ffff8081`915b9010 : nt!ExpAcquireSpinLockExclusive+0x45
ffffe90f`c2c6f590 fffff805`6522edaa     : ffff8081`915b9650 fffff805`65230c70 00000000`00000001 ffffe90f`c2c6f5f0 : nt!ExAcquireSpinLockExclusive+0x36
ffffe90f`c2c6f5c0 ffff8081`915b9650     : fffff805`65230c70 00000000`00000001 ffffe90f`c2c6f5f0 00000000`00000005 : mullvad_wireguard+0x1edaa
ffffe90f`c2c6f5c8 fffff805`65230c70     : 00000000`00000001 ffffe90f`c2c6f5f0 00000000`00000005 fffff805`00000003 : 0xffff8081`915b9650
ffffe90f`c2c6f5d0 00000000`00000001     : ffffe90f`c2c6f5f0 00000000`00000005 fffff805`00000003 2e393032`2e353831 : mullvad_wireguard+0x20c70
ffffe90f`c2c6f5d8 ffffe90f`c2c6f5f0     : 00000000`00000005 fffff805`00000003 2e393032`2e353831 323a3537`2e363931 : 0x1
ffffe90f`c2c6f5e0 00000000`00000005     : fffff805`00000003 2e393032`2e353831 323a3537`2e363931 ffff8000`39393232 : 0xffffe90f`c2c6f5f0
ffffe90f`c2c6f5e8 fffff805`00000003     : 2e393032`2e353831 323a3537`2e363931 ffff8000`39393232 00000000`00000000 : 0x5
ffffe90f`c2c6f5f0 2e393032`2e353831     : 323a3537`2e363931 ffff8000`39393232 00000000`00000000 00000000`00000000 : 0xfffff805`00000003
ffffe90f`c2c6f5f8 323a3537`2e363931     : ffff8000`39393232 00000000`00000000 00000000`00000000 00000000`00000000 : 0x2e393032`2e353831
ffffe90f`c2c6f600 ffff8000`39393232     : 00000000`00000000 00000000`00000000 00000000`00000000 ffff8081`7c39b158 : 0x323a3537`2e363931
ffffe90f`c2c6f608 00000000`00000000     : 00000000`00000000 00000000`00000000 ffff8081`7c39b158 00000000`00000002 : 0xffff8000`39393232


SYMBOL_NAME:  mullvad_wireguard+1edaa

MODULE_NAME: mullvad_wireguard

IMAGE_NAME:  mullvad-wireguard.sys

STACK_COMMAND:  .process /r /p 0xfffff805c69cdf80; .thread 0xffff80816e6ca280 ; kb

BUCKET_ID_FUNC_OFFSET:  1edaa

FAILURE_BUCKET_ID:  0x133_DPC_mullvad_wireguard!unknown_function

OSPLATFORM_TYPE:  x64

OSNAME:  Windows 10

FAILURE_ID_HASH:  {018bf450-1319-9872-5c54-fdc15d5feec4}
 
Followup: MachineOwner

Operating system version

No response

Mullvad VPN app version

No response

Additional Information

No response

[dlon]

Hey, thanks for reporting this! Just noting that we'll be working on this soon.

I'm closing this as a duplicate of some similar issues:

#7266
#5857