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Date: Mon, 2 Oct 2023 09:42:06 +0300
From: Dan Carpenter <>
To: "Gustavo A. R. Silva" <>
Cc: Christophe JAILLET <>,
	Kent Overstreet <>,
	Brian Foster <>,
	Kees Cook <>,
	"Gustavo A. R. Silva" <>,
	Nathan Chancellor <>,
	Nick Desaulniers <>,
	Tom Rix <>,,,,,
Subject: Re: [PATCH] bcachefs: Use struct_size()

On Sun, Oct 01, 2023 at 09:23:17AM +0200, Gustavo A. R. Silva wrote:
> On 10/1/23 09:13, Christophe JAILLET wrote:
> > Use struct_size() instead of hand writing it.
> > This is less verbose and more robust.
> > 
> > While at it, prepare for the coming implementation by GCC and Clang of the
> > __counted_by attribute. Flexible array members annotated with __counted_by
> > can have their accesses bounds-checked at run-time checking via
> > CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for
> > strcpy/memcpy-family functions).
> I would prefer this as two separate patches.

I kind of feel like it's all part of one thing.  It's easier to review
as one patch.

dan carpenter

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