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  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:   Thu, 12 May 2022 09:10:11 +0000
To:     Kees Cook <>
Subject: Re: [PATCH] fortify: Provide a memcpy trap door for sharp corners


This patch was applied to netdev/net-next.git (master)
by Paolo Abeni <>:

On Tue, 10 May 2022 19:53:01 -0700 you wrote:
> As we continue to narrow the scope of what the FORTIFY memcpy() will
> accept and build alternative APIs that give the compiler appropriate
> visibility into more complex memcpy scenarios, there is a need for
> "unfortified" memcpy use in rare cases where combinations of compiler
> behaviors, source code layout, etc, result in cases where the stricter
> memcpy checks need to be bypassed until appropriate solutions can be
> developed (i.e. fix compiler bugs, code refactoring, new API, etc). The
> intention is for this to be used only if there's no other reasonable
> solution, for its use to include a justification that can be used
> to assess future solutions, and for it to be temporary.
> [...]

Here is the summary with links:
  - fortify: Provide a memcpy trap door for sharp corners

You are awesome, thank you!
Deet-doot-dot, I am a bot.

Powered by blists - more mailing lists