Re: [PATCH RESEND] efivarfs: Ensure VariableName is NUL-terminated

From: Matthew Garrett
Date: Thu Apr 02 2015 - 14:29:22 EST

On Thu, 2015-04-02 at 08:39 +0100, Ross Lagerwall wrote:
> Some buggy firmware implementations update VariableNameSize on success
> such that it does not include the final NUL character which results in
> garbage in the efivarfs name entries. Use kzalloc on the efivar_entry
> (as is done in efivars.c) to ensure that the name is always
> NUL-terminated.
> The buggy firmware is:
> BIOS Information
> Vendor: Intel Corp.
> Version: S1200RP.86B.02.02.0005.102320140911
> Release Date: 10/23/2014
> BIOS Revision: 4.6
> System Information
> Manufacturer: Intel Corporation
> Product Name: S1200RP_SE
> Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
ACKed-by: Matthew Garrett <mjg59@xxxxxxxxxx>

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