[PATCH v2 0/2] KVM: arm64: KVM: arm64: Fix potential leak in hyp_trace_buffer_alloc_bpages_backing

Vincent Donnefort vdonnefort at google.com
Fri Jul 10 04:48:17 PDT 2026


This series provides two fixes for the nVHE/pKVM hyp trace remote buffer
allocation.

Changelog:

v2:
  - Added patch: "KVM: arm64: Fix hyp_trace_desc allocation size in
    hyp_trace_load()"
  - Collected Reviewed-by and Tested-by tags from Fuad Tabba for the
    leak fix
  - Do not set bpages_backing_* on __map_hyp() failure (Fuad)

v1: https://lore.kernel.org/all/20260707165029.3410701-1-vdonnefort@google.com/

Vincent Donnefort (2):
  KVM: arm64: Fix potential leak in
    hyp_trace_buffer_alloc_bpages_backing
  KVM: arm64: Fix hyp_trace_desc allocation size in hyp_trace_load()

 arch/arm64/kvm/hyp_trace.c | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)


base-commit: 8cdeaa50eae8dad34885515f62559ee83e7e8dda
-- 
2.55.0.795.g602f6c329a-goog




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