Re: [PATCH] coredump, vmcore: Set p_align to 4 for PT_NOTE

From: Kees Cook
Date: Tue May 16 2023 - 17:32:44 EST


On Fri, 12 May 2023 02:25:28 +0000, Fangrui Song wrote:
> Tools like readelf/llvm-readelf use p_align to parse a PT_NOTE program
> header as an array of 4-byte entries or 8-byte entries. Currently, there
> are workarounds[1] in place for Linux to treat p_align==0 as 4. However,
> it would be more appropriate to set the correct alignment so that tools
> do not have to rely on guesswork. FreeBSD coredumps set p_align to 4 as
> well.
>
> [...]

Applied to for-next/execve, thanks!

[1/1] coredump, vmcore: Set p_align to 4 for PT_NOTE
https://git.kernel.org/kees/c/60592fb6b67c

--
Kees Cook