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
| ||
|
Message-ID: <0eef32f2-0092-746d-7428-983f10ad4565@linaro.org> Date: Sat, 24 Sep 2022 11:28:48 +0200 From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> To: Kees Cook <keescook@...omium.org> Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org, "Gustavo A. R. Silva" <gustavoars@...nel.org>, linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org Subject: Re: [PATCH] NFC: hci: Split memcpy() of struct hcp_message flexible array On 24/09/2022 06:08, Kees Cook wrote: > To work around a misbehavior of the compiler's ability to see into > composite flexible array structs (as detailed in the coming memcpy() > hardening series[1]), split the memcpy() of the header and the payload > so no false positive run-time overflow warning will be generated. This > split already existed for the "firstfrag" case, so just generalize the > logic further. > > [1] https://lore.kernel.org/linux-hardening/20220901065914.1417829-2-keescook@chromium.org/ > Looks correct: Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> Best regards, Krzysztof
Powered by blists - more mailing lists