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Message-ID: <85c99a95-a2e9-4017-9447-ea02d18de019@quicinc.com> Date: Thu, 17 Aug 2023 15:03:32 -0700 From: Jeff Johnson <quic_jjohnson@...cinc.com> To: Kees Cook <keescook@...omium.org>, Johannes Berg <johannes@...solutions.net> CC: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, <linux-wireless@...r.kernel.org>, <netdev@...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 2/7] wifi: cfg80211: Annotate struct cfg80211_cqm_config with __counted_by On 8/17/2023 2:15 PM, 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 cfg80211_cqm_config. > > [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci > > Cc: Johannes Berg <johannes@...solutions.net> > Cc: "David S. Miller" <davem@...emloft.net> > Cc: Eric Dumazet <edumazet@...gle.com> > Cc: Jakub Kicinski <kuba@...nel.org> > Cc: Paolo Abeni <pabeni@...hat.com> > Cc: linux-wireless@...r.kernel.org > Cc: netdev@...r.kernel.org > Signed-off-by: Kees Cook <keescook@...omium.org> Reviewed-by: Jeff Johnson <quic_jjohnson@...cinc.com>
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