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Message-Id: <170138161643.3648998.10002287194260761975.b4-ty@chromium.org> Date: Thu, 30 Nov 2023 14:00:19 -0800 From: Kees Cook <keescook@...omium.org> To: David Howells <dhowells@...hat.com>, Marc Dionne <marc.dionne@...istor.com>, "Gustavo A. R. Silva" <gustavoars@...nel.org> Cc: Kees Cook <keescook@...omium.org>, linux-afs@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org Subject: Re: [PATCH][next] afs: Add __counted_by for struct afs_acl and use struct_size() On Tue, 10 Oct 2023 06:59:44 -0600, Gustavo A. R. Silva wrote: > 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 via CONFIG_UBSAN_BOUNDS (for > array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family > functions). > > While there, use struct_size() helper, instead of the open-coded > version, to calculate the size for the allocation of the whole > flexible structure, including of course, the flexible-array member. > > [...] Applied to for-next/hardening, thanks! [1/1] afs: Add __counted_by for struct afs_acl and use struct_size() https://git.kernel.org/kees/c/7403e688f0c0 Take care, -- Kees Cook
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