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Date: Fri, 27 Jun 2014 14:24:20 +0100 From: David Howells <dhowells@...hat.com> To: Mimi Zohar <zohar@...ux.vnet.ibm.com> Cc: dhowells@...hat.com, keyrings <keyrings@...ux-nfs.org>, linux-security-module <linux-security-module@...r.kernel.org>, linux-kernel <linux-kernel@...r.kernel.org>, Josh Boyer <jwboyer@...hat.com>, Matthew Garrett <mjg59@...f.ucam.org>, Dmitry Kasatkin <dmitry.kasatkin@...il.com> Subject: Re: [PATCH v6 1/6] KEYS: special dot prefixed keyring name bug fix Mimi Zohar <zohar@...ux.vnet.ibm.com> wrote: > Dot prefixed keyring names are supposed to be reserved for the > kernel, but add_key() calls key_get_type_from_user(), which > incorrectly verifies the 'type' field, not the 'description' field. > This patch verifies the 'description' field isn't dot prefixed, > when creating a new keyring, and removes the dot prefix test in > key_get_type_from_user(). > > Changelog v6: > - whitespace and other cleanup > > Changelog v5: > - Only prevent userspace from creating a dot prefixed keyring, not > regular keys - Dmitry > > Reported-by: Dmitry Kasatkin <d.kasatkin@...sung.com> > Cc: David Howells <dhowells@...hat.com> > Signed-off-by: Mimi Zohar <zohar@...ux.vnet.ibm.com> Acked-by: David Howells <dhowells@...hat.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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