| From | "Elliott, Robert (Servers)" <> | Subject | RE: [PATCH v6 07/12] x86/cpu/keylocker: Load an internal wrapping key at boot-time | Date | Mon, 8 May 2023 19:18:50 +0000 |
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> diff --git a/arch/x86/kernel/keylocker.c b/arch/x86/kernel/keylocker.c ... > +void __init destroy_keylocker_data(void) > +{ > + memset(&kl_setup.key, KEY_DESTROY, sizeof(kl_setup.key)); > +}
That's a special value for garbage collected keyring keys assigned a keytype of ".dead". memzero() or memzero_explicit() might be better for this use case.
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