linux-kernel - Re: [PATCH] hv: hyperv.h: Annotate vmbus_channel_gpadl_header with __counted

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Message-Id: <77790477-238D-482F-9431-FA85091685BB@linux.dev>
Date: Mon, 9 Dec 2024 01:16:01 +0100
From: Thorsten Blum <thorsten.blum@...ux.dev>
To: Wei Liu <wei.liu@...nel.org>
Cc: "K. Y. Srinivasan" <kys@...rosoft.com>,
 Haiyang Zhang <haiyangz@...rosoft.com>,
 Dexuan Cui <decui@...rosoft.com>,
 Kees Cook <kees@...nel.org>,
 "Gustavo A. R. Silva" <gustavoars@...nel.org>,
 linux-hyperv@...r.kernel.org,
 linux-kernel@...r.kernel.org,
 linux-hardening@...r.kernel.org
Subject: Re: [PATCH] hv: hyperv.h: Annotate vmbus_channel_gpadl_header with
 __counted_by()

On 7. Dec 2024, at 08:48, Wei Liu wrote:
> On Tue, Oct 15, 2024 at 12:18:29PM +0200, Thorsten Blum wrote:
>> Add the __counted_by compiler attribute to the flexible array member
>> range to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and
>> CONFIG_FORTIFY_SOURCE.
>> 
>> Compile-tested only.
>> 
>> Signed-off-by: Thorsten Blum <thorsten.blum@...ux.dev>
> 
> Applied to hyperv-fixes. Thanks.

This should probably not be applied anymore given the kernel test robot
build warnings. Unless I missed something and this works now?

Thanks,
Thorsten