Branch: refs/heads/master
  Home:   https://github.com/tianocore/edk2
  Commit: 73e0357ce40a7feed01d4cf295c5270ba72d6b5f
      
https://github.com/tianocore/edk2/commit/73e0357ce40a7feed01d4cf295c5270ba72d6b5f
  Author: Kajal Agarwal <[email protected]>
  Date:   2026-10-08 (Thu, 08 Oct 2026)

  Changed paths:
    M ArmPkg/Drivers/ArmGicDxe/GicV2/ArmGicV2Dxe.c

  Log Message:
  -----------
  ArmPkg/ArmGicDxe: Validate GICv2 interrupt source

GicV2RegisterInterruptSource() forms a pointer into the registered
interrupt handler array before the source is validated by the enable or
disable path. An unsupported source can therefore cause an out-of-bounds
access in GicCommonRegisterInterruptSource().

Validate the source against the supported GIC interrupt count before
indexing the handler array and return EFI_UNSUPPORTED for an invalid
source. Document the source validation helper and the registration
function, including its parameters, unregistration behavior and return
values.

Signed-off-by: Kajal Agarwal <[email protected]>



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