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Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20260731154608.153258-5-linux@jaseg.de> References: <20260731154608.153258-5-linux@jaseg.de> <20260731154608.153258-1-linux@jaseg.de> To: =?UTF-8?q?Jan=20Sebastian=20G=C3=B6tte?= Cc: dhowells@redhat.com, Andrew Morton , Baoquan He , Mike Rapoport , Pasha Tatashin , Pratyush Yadav , Dave Young , Jarkko Sakkinen , Paul Moore , James Morris , "Serge E. Hallyn" , Mimi Zohar , James Bottomley , Rob Herring , Saravana Kannan , Coiby Xu , "devicetree@vger.kernel.org"@kvack.org, "linux-kernel@vger.kernel.org"@kvack.org, "kexec@lists.infradead.org"@kvack.org, "keyrings@vger.kernel.org"@kvack.org, "linux-mm@kvack.org"@kvack.org, "linux-security-module@vger.kernel.org"@kvack.org, "linux-integrity@vger.kernel.org"@kvack.org Subject: Re: [PATCH 4/4] security/keys: zeroize key payloads before kdump MIME-Version: 1.0 Date: Fri, 31 Jul 2026 23:50:11 +0100 Message-ID: <2259835.1785538211@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Mimecast-MFC-PROC-ID: YLHyiltgyqVksbruKM4yoXj5-vsN3JnccJxF7N-I8n4_1785538222 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-ID: <2259834.1785538210.1@warthog.procyon.org.uk> X-Stat-Signature: hsn4dzx1jp5g54jf6bmhb6pt3fosugr6 X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 046FCA0006 X-HE-Tag: 1785538229-568465 X-HE-Meta: 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 g32tR7FN 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: I've no particular objection to this, though I'd prefer the name 'wipe' to 'zeroize'. You should also wipe fscrypt, tls, rxrpc*, ceph and cifs spnego type keys and maybe asymmetric type keys. David