On Fri, 2021-02-19 at 18:29 -0500, Paul Moore wrote: > Of the three LSMs that implement the security_task_getsecid() LSM > hook, all three LSMs provide the task's objective security > credentials. This turns out to be unfortunate as most of the hook's > callers seem to expect the task's subjective credentials, although > a small handful of callers do correctly expect the objective > credentials. > > This patch is the first step towards fixing the problem: it splits > the existing security_task_getsecid() hook into two variants, one > for the subjective creds, one for the objective creds. > > void security_task_getsecid_subj(struct task_struct *p, > u32 *secid); > void security_task_getsecid_obj(struct task_struct *p, > u32 *secid); > > While this patch does fix all of the callers to use the correct > variant, in order to keep this patch focused on the callers and to > ease review, the LSMs continue to use the same implementation for > both hooks. The net effect is that this patch should not change > the behavior of the kernel in any way, it will be up to the latter > LSM specific patches in this series to change the hook > implementations and return the correct credentials. > > Signed-off-by: Paul Moore <p...@paul-moore.com>
Thanks, Paul. Acked-by: Mimi Zohar <zo...@linux.ibm.com> (IMA) -- Linux-audit mailing list Linux-audit@redhat.com https://listman.redhat.com/mailman/listinfo/linux-audit
