[GIT PULL] execve updates for v6.11-rc1

From: Kees Cook
Date: Mon Jul 15 2024 - 12:21:19 EST


Hi Linus,

Please pull these execve updates for v6.11-rc1.

Thanks!

-Kees

The following changes since commit c3f38fa61af77b49866b006939479069cd451173:

Linux 6.10-rc2 (2024-06-02 15:44:56 -0700)

are available in the Git repository at:

https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/execve-v6.11-rc1

for you to fetch changes up to 21f93108306026b8066db31c24a097192c8c36c7:

exec: Avoid pathological argc, envc, and bprm->p values (2024-07-13 21:31:58 -0700)

----------------------------------------------------------------
execve updates for v6.11-rc1

- Use value of kernel.randomize_va_space once per exec (Alexey Dobriyan)

- Honor PT_LOAD alignment for static PIE

- Make bprm->argmin only visible under CONFIG_MMU

- Add KUnit testing of bprm_stack_limits()

----------------------------------------------------------------
Alexey Dobriyan (1):
ELF: fix kernel.randomize_va_space double read

Kees Cook (6):
selftests/exec: Build both static and non-static load_address tests
binfmt_elf: Calculate total_size earlier
binfmt_elf: Honor PT_LOAD alignment for static PIE
exec: Add KUnit test for bprm_stack_limits()
execve: Keep bprm->argmin behind CONFIG_MMU
exec: Avoid pathological argc, envc, and bprm->p values

MAINTAINERS | 2 +
fs/Kconfig.binfmt | 8 ++
fs/binfmt_elf.c | 99 ++++++++++++-------
fs/exec.c | 49 ++++++++--
fs/exec_test.c | 141 ++++++++++++++++++++++++++++
include/linux/binfmts.h | 2 +-
tools/testing/selftests/exec/Makefile | 19 ++--
tools/testing/selftests/exec/load_address.c | 67 ++++++++++---
8 files changed, 327 insertions(+), 60 deletions(-)
create mode 100644 fs/exec_test.c

--
Kees Cook