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AMD PSP reverse engineering, emulator and vulnerability research
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*
fuzz_asd: stop neutering asd_validate_ptr; put buffers where it accepts them
user
2026-09-22
*
fuzz_sos_ring: add a coverage gate, calibrated against a positive control
user
2026-09-22
*
Record that the repaired fuzz_sysdrv rediscovers a known latent defect
user
2026-09-22
*
fuzz_sysdrv: map the fabric aperture so benign register reads stop being find...
user
2026-09-22
*
fuzz_sysdrv: actually run SYS_DRV init; it was fuzzing a closed gate
user
2026-09-22
*
ASD has no init phase; drop the redundant asd_feature_enabled patch
user
2026-09-22
*
Run the TA's real init and real session open instead of patching globals
user
2026-09-22
*
Add a validated checker for un-propagated retractions
user
2026-09-22
*
Fix fuzz_pss_differential's calling convention; parser is bounded and stricter
user
2026-09-22
*
Wire the Bus: HDCP's ASD RPCs now run in the real ASD dispatcher
user
2026-09-22
*
Record two failed attempts at an explicit ASD load status code
user
2026-09-22
*
ASD loads, verifies and runs (harness/load_asd.py)
user
2026-09-22
*
Measured: the memref subtree is dead code in this configuration
user
2026-09-22
*
RETRACTION: "management ring" naming was wrong; call graph redone properly
user
2026-09-22
*
Ring-1 hypothesis tested, not confirmed; mgmt dispatcher still unreached
user
2026-09-22
*
Found it: the harness has been driving the wrong dispatcher
user
2026-09-22
*
Refute my own next step: ring cmd 5 does not unlock the memref param
user
2026-09-22
*
Ring TA-command path cannot satisfy the HDCP gate at all (structural)
user
2026-09-22
*
HDCP invoke ABI decoded: command lives in the shared buffer, not the ring
user
2026-09-22
*
fuzz_ta_invoke: reached 0/80 TA invocations; make it say so
user
2026-09-22
*
Stop the boot harnesses running long after the work is done
user
2026-09-22
*
Track the firmware images and keep the symbol maps alongside them
Peter Geissler
2026-09-22
*
Initial import: AMD PSP reverse engineering, emulator and vulnerability research
Peter Geissler
2026-09-22
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