linux-hardening - Re: [PATCH] afs: Annotate struct afs_permits with __counted

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <169601506495.3012633.13895603881576903782.b4-ty@chromium.org>
Date: Fri, 29 Sep 2023 12:17:44 -0700
From: Kees Cook <keescook@...omium.org>
To: David Howells <dhowells@...hat.com>,
	Kees Cook <keescook@...omium.org>
Cc: Marc Dionne <marc.dionne@...istor.com>,
	linux-afs@...ts.infradead.org,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Tom Rix <trix@...hat.com>,
	linux-kernel@...r.kernel.org,
	llvm@...ts.linux.dev,
	linux-hardening@...r.kernel.org
Subject: Re: [PATCH] afs: Annotate struct afs_permits with __counted_by

On Fri, 15 Sep 2023 13:14:56 -0700, Kees Cook 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 checking via CONFIG_UBSAN_BOUNDS
> (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
> functions).
> 
> As found with Coccinelle[1], add __counted_by for struct afs_permits.
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] afs: Annotate struct afs_permits with __counted_by
      https://git.kernel.org/kees/c/45faff97751a

Take care,

-- 
Kees Cook