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Message-ID: <2023100246-stem-overcoat-c4b8@gregkh> Date: Mon, 2 Oct 2023 13:42:01 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: Kees Cook <keescook@...omium.org> Cc: Alan Stern <stern@...land.harvard.edu>, Mathias Nyman <mathias.nyman@...el.com>, linux-usb@...r.kernel.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] usb: Annotate struct urb_priv with __counted_by On Fri, Sep 15, 2023 at 12:58:16PM -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 urb_priv. > > [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci > > Cc: Alan Stern <stern@...land.harvard.edu> > Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> > Cc: Mathias Nyman <mathias.nyman@...el.com> > Cc: linux-usb@...r.kernel.org > Signed-off-by: Kees Cook <keescook@...omium.org> > --- > drivers/usb/host/ohci.h | 2 +- > drivers/usb/host/xhci.h | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) Thanks for taking these changes through your tree, I was too slow... greg k-h
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