Messages in this thread | | | From | Paul Moore <> | Date | Tue, 15 Nov 2022 21:27:02 -0500 | Subject | Re: [RFC][PATCH 3/4] lsm: Redefine LSM_HOOK() macro to add return value flags as argument |
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On Tue, Nov 15, 2022 at 12:58 PM Roberto Sassu <roberto.sassu@huaweicloud.com> wrote: > > From: Roberto Sassu <roberto.sassu@huawei.com> > > Define four return value flags (LSM_RET_NEG, LSM_RET_ZERO, LSM_RET_ONE, > LSM_RET_GT_ONE), one for each interval of interest (< 0, = 0, = 1, > 1). > > Redefine the LSM_HOOK() macro to add return value flags as argument, and > set the correct flags for each LSM hook. > > Implementors of new LSM hooks should do the same as well. > > Cc: stable@vger.kernel.org # 5.7.x > Fixes: 9d3fdea789c8 ("bpf: lsm: Provide attachment points for BPF LSM programs") > Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> > --- > include/linux/bpf_lsm.h | 2 +- > include/linux/lsm_hook_defs.h | 779 ++++++++++++++++++++-------------- > include/linux/lsm_hooks.h | 9 +- > kernel/bpf/bpf_lsm.c | 5 +- > security/bpf/hooks.c | 2 +- > security/security.c | 4 +- > 6 files changed, 466 insertions(+), 335 deletions(-)
Just a quick note here that even if we wanted to do something like this, it is absolutely not -stable kernel material. No way.
-- paul-moore.com
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