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Message-ID: <ZRcLfYW0prCLXlJ4@gcabiddu-mobl1.ger.corp.intel.com> Date: Fri, 29 Sep 2023 18:38:05 +0100 From: Giovanni Cabiddu <giovanni.cabiddu@...el.com> To: Kees Cook <keescook@...omium.org> CC: Herbert Xu <herbert@...dor.apana.org.au>, "David S. Miller" <davem@...emloft.net>, Nathan Chancellor <nathan@...nel.org>, "Nick Desaulniers" <ndesaulniers@...gle.com>, Tom Rix <trix@...hat.com>, "Adam Guerin" <adam.guerin@...el.com>, Lucas Segarra Fernandez <lucas.segarra.fernandez@...el.com>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, <qat-linux@...el.com>, <linux-crypto@...r.kernel.org>, <llvm@...ts.linux.dev>, <linux-kernel@...r.kernel.org>, <linux-hardening@...r.kernel.org> Subject: Re: [PATCH] crypto: qat: Annotate struct adf_fw_counters with __counted_by On Fri, Sep 22, 2023 at 10:54:33AM -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 adf_fw_counters. > > [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci > > Cc: Giovanni Cabiddu <giovanni.cabiddu@...el.com> > Cc: Herbert Xu <herbert@...dor.apana.org.au> > Cc: "David S. Miller" <davem@...emloft.net> > Cc: Nathan Chancellor <nathan@...nel.org> > Cc: Nick Desaulniers <ndesaulniers@...gle.com> > Cc: Tom Rix <trix@...hat.com> > Cc: Adam Guerin <adam.guerin@...el.com> > Cc: Lucas Segarra Fernandez <lucas.segarra.fernandez@...el.com> > Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> > Cc: qat-linux@...el.com > Cc: linux-crypto@...r.kernel.org > Cc: llvm@...ts.linux.dev > Signed-off-by: Kees Cook <keescook@...omium.org> Acked-by: Giovanni Cabiddu <giovanni.cabiddu@...el.com>
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