svn commit: r363160 - stable/12/sys/kern

[Mark Johnston]

Author: markj
Date: Mon Jul 13 16:42:30 2020
New Revision: 363160
URL: https://svnweb.freebsd.org/changeset/base/363160

Log:
  MFC r362968:
  Allow accesses of the caller's CPU and domain sets in capability mode.

Modified:
  stable/12/sys/kern/kern_cpuset.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/kern/kern_cpuset.c
==============================================================================
--- stable/12/sys/kern/kern_cpuset.c	Mon Jul 13 16:41:58 2020	(r363159)
+++ stable/12/sys/kern/kern_cpuset.c	Mon Jul 13 16:42:30 2020	(r363160)
@@ -1595,7 +1595,9 @@ cpuset_check_capabilities(struct thread *td, cpulevel_
 			return (ECAPMODE);
 		if (which != CPU_WHICH_TID && which != CPU_WHICH_PID)
 			return (ECAPMODE);
-		if (id != -1)
+		if (id != -1 &&
+		    !(which == CPU_WHICH_TID && id == td->td_tid) &&
+		    !(which == CPU_WHICH_PID && id == td->td_proc->p_pid))
 			return (ECAPMODE);
 	}
 	return (0);