From: Jason Gunthorpe <jgg@ziepe.ca>
To: Kees Cook <keescook@chromium.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
linux-kernel@vger.kernel.org, x86@kernel.org,
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Subject: Re: [PATCH][next] treewide: uapi: Replace zero-length arrays with flexible-array members
Date: Tue, 28 Jun 2022 15:44:04 -0300 [thread overview]
Message-ID: <20220628184404.GS23621@ziepe.ca> (raw)
In-Reply-To: <202206281009.4332AA33@keescook>
On Tue, Jun 28, 2022 at 10:54:58AM -0700, Kees Cook wrote:
> which must also be assuming it's a header. So probably better to just
> drop the driver_data field? I don't see anything using it (that I can
> find) besides as a sanity-check that the field exists and is at the end
> of the struct.
The field is guaranteeing alignment of the following structure. IIRC
there are a few cases that we don't have a u64 already to force this.
Jason
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next prev parent reply other threads:[~2022-06-28 18:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-27 18:04 [PATCH][next] treewide: uapi: Replace zero-length arrays with flexible-array members Gustavo A. R. Silva
2022-06-27 18:27 ` Daniel Borkmann
2022-06-27 18:35 ` Gustavo A. R. Silva
2022-06-28 0:40 ` Jason Gunthorpe
2022-06-28 0:58 ` Gustavo A. R. Silva
2022-06-28 2:21 ` Gustavo A. R. Silva
2022-06-28 13:36 ` Jason Gunthorpe
2022-06-28 13:56 ` Gustavo A. R. Silva
2022-06-28 17:54 ` Kees Cook
2022-06-28 18:44 ` Jason Gunthorpe [this message]
2022-06-27 19:53 ` Stephen Hemminger
2022-06-28 14:18 ` Gustavo A. R. Silva
2022-06-27 22:31 ` Dan Williams
2022-06-28 7:27 ` Geert Uytterhoeven
2022-06-28 18:05 ` Kees Cook
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