Re: [GIT PULL] AT_EXECVE_CHECK introduction for v6.14-rc1

From: Sasha Levin
Date: Sun Jan 19 2025 - 19:09:08 EST


On Wed, Jan 15, 2025 at 04:18:07PM -0800, Kees Cook wrote:
Hi Linus,

Please pull the AT_EXECVE_CHECK introduction for v6.14-rc1. I split
this series from the core execve tree since it's had a life of its own
as it has progressed from O_MAY_EXEC. :) This provides userspace with
a way to opt in to performing "execability" checks for things that are
executable but don't pass through execve(2) (e.g. scripts, dlopen libs,
etc). It's seen quite a bit of discussion and review, and has lived in
-next for the entire dev cycle. Included is documentation, samples, and
extensive selftests.

Thanks!

-Kees

The following changes since commit fac04efc5c793dccbd07e2d59af9f90b7fc0dca4:

Linux 6.13-rc2 (2024-12-08 14:03:39 -0800)

are available in the Git repository at:

https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/AT_EXECVE_CHECK-v6.14-rc1

Hey Kees,

LKFT has caught a build error with one of the samples:

/builds/linux/samples/check-exec/inc.c: In function 'interpret_stream':
/builds/linux/samples/check-exec/inc.c:81:8: warning: implicit declaration of function 'execveat'; did you mean 'execve'? [-Wimplicit-function-declaration]
err = execveat(fileno(script), "", script_argv, envp,
^~~~~~~~
execve

The full log is here: https://qa-reports.linaro.org/lkft/sashal-linus-next/build/v6.13-rc7-511-g109a8e0fa9d6/testrun/26809210/suite/build/test/gcc-8-allyesconfig/log

--
Thanks,
Sasha