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Message-Id: <166450446833.30186.9803422615203501142.git-patchwork-notify@kernel.org> Date: Fri, 30 Sep 2022 02:21:08 +0000 From: patchwork-bot+netdevbpf@...nel.org To: Kees Cook <keescook@...omium.org> Cc: jhs@...atatu.com, edumazet@...gle.com, xiyou.wangcong@...il.com, jiri@...nulli.us, davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org, syzbot+a2c4601efc75848ba321@...kaller.appspotmail.com, linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org Subject: Re: [PATCH] net: sched: cls_u32: Avoid memcpy() false-positive warning Hello: This patch was applied to netdev/net-next.git (master) by Jakub Kicinski <kuba@...nel.org>: On Tue, 27 Sep 2022 08:37:01 -0700 you 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]), use unsafe_memcpy(), as the sizing, > bounds-checking, and allocation are all very tightly coupled here. > This silences the false-positive reported by syzbot: > > memcpy: detected field-spanning write (size 80) of single field "&n->sel" at net/sched/cls_u32.c:1043 (size 16) > > [...] Here is the summary with links: - net: sched: cls_u32: Avoid memcpy() false-positive warning https://git.kernel.org/netdev/net-next/c/7cba18332e36 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
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