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    SubjectRe: [PATCH v2 0/8] exec: Control flow simplifications
    On Mon, May 18, 2020 at 07:29:00PM -0500, Eric W. Biederman wrote:
    > arch/alpha/kernel/binfmt_loader.c | 11 +----
    > fs/binfmt_elf.c | 4 +-
    > fs/binfmt_elf_fdpic.c | 4 +-
    > fs/binfmt_em86.c | 13 +----
    > fs/binfmt_misc.c | 69 ++++-----------------------
    > fs/binfmt_script.c | 82 ++++++++++++++------------------
    > fs/exec.c | 97 ++++++++++++++++++++++++++------------
    > include/linux/binfmts.h | 36 ++++++--------
    > include/linux/lsm_hook_defs.h | 3 +-
    > include/linux/lsm_hooks.h | 52 +++++++++++---------
    > include/linux/security.h | 14 ++++--
    > kernel/cred.c | 3 ++
    > security/apparmor/domain.c | 7 +--
    > security/apparmor/include/domain.h | 2 +-
    > security/apparmor/lsm.c | 2 +-
    > security/commoncap.c | 9 ++--
    > security/security.c | 9 +++-
    > security/selinux/hooks.c | 8 ++--
    > security/smack/smack_lsm.c | 9 ++--
    > security/tomoyo/tomoyo.c | 12 ++---
    > 20 files changed, 202 insertions(+), 244 deletions(-)

    Oh, BTW, heads up on this (trivially but annoyingly) conflicting with
    the copy_strings_kernel/copy_string/kernel change:

    https://ozlabs.org/~akpm/mmotm/broken-out/exec-simplify-the-copy_strings_kernel-calling-convention.patch

    Is it worth pulling that and these into your tree?

    https://ozlabs.org/~akpm/mmotm/broken-out/exec-open-code-copy_string_kernel.patch

    https://ozlabs.org/~akpm/mmotm/broken-out/umh-fix-refcount-underflow-in-fork_usermode_blob.patch


    --
    Kees Cook

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