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Valthrun / valthrun-uefi-mapper

Windows driver mapper via the UEFI
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Failed to Map Driver #1

Open null-lnp opened 7 months ago

null-lnp commented 7 months ago

After boot, valthrun driver fails to map with Error: Mapping callback has never been called. I've checked sigs on bootmgfw.efi, seems all is ok but still doesn't seem to work.

For context, after fails, F10 doesn't work either and I'm forced to remove USB and manually turn off my computer.

SB is off TPM is off

error-valthrun

WolverinDEV commented 7 months ago

Hey,
what's the output of winver?

null-lnp commented 7 months ago

Hey, what's the output of winver?

20H2 (OS Compilation 19045.4170)

null-lnp commented 7 months ago

On VM (22H2 OS Compilation 19045.4170) the following happens;

Tested on both valthrun-driver.sys and my own crafted driver with no imports, etc. both had same result.

image

WolverinDEV commented 7 months ago

null address reference is an interesting error 🤔 I'll have a look

null-lnp commented 7 months ago

null address reference is an interesting error 🤔 I'll have a look

Thank you!