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KVM: arm64: Prevent kmemleak from accessing .hyp.data

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We've added a .data section for the hypervisor, which kmemleak is
eager to parse. This clearly doesn't go well, so add the section
to kmemleak's block list.

Signed-off-by: Quentin Perret <qperret@google.com>
Signed-off-by: Fuad Tabba <tabba@google.com>
Acked-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240423150538.2103045-13-tabba@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Quentin Perret 2024-04-23 16:05:20 +01:00 committed by Marc Zyngier
parent d48965bc47
commit 06cacc9d28
1 changed files with 1 additions and 0 deletions
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arch/arm64/kvm/pkvm.c
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@ -258,6 +258,7 @@ static int __init finalize_pkvm(void)
* at, which would end badly once inaccessible. * at, which would end badly once inaccessible.
*/ */
kmemleak_free_part(__hyp_bss_start, __hyp_bss_end - __hyp_bss_start); kmemleak_free_part(__hyp_bss_start, __hyp_bss_end - __hyp_bss_start);
kmemleak_free_part(__hyp_rodata_start, __hyp_rodata_end - __hyp_rodata_start);
kmemleak_free_part_phys(hyp_mem_base, hyp_mem_size); kmemleak_free_part_phys(hyp_mem_base, hyp_mem_size);
ret = pkvm_drop_host_privileges(); ret = pkvm_drop_host_privileges();