Merge pull request #43812 from thaJeztah/22.06_backport_43481_support_pku

[22.06 backport] profiles: seccomp: add syscalls related to PKU in default policy

profiles/seccomp/default.json

@@ -248,6 +248,9 @@
 				"pidfd_send_signal",
 				"pipe",
 				"pipe2",
+				"pkey_alloc",
+				"pkey_free",
+				"pkey_mprotect",
 				"poll",
 				"ppoll",
 				"ppoll_time64",

profiles/seccomp/default_linux.go

@@ -240,6 +240,9 @@ func DefaultProfile() *Seccomp {
 					"pidfd_send_signal",
 					"pipe",
 					"pipe2",
+					"pkey_alloc",
+					"pkey_free",
+					"pkey_mprotect",
 					"poll",
 					"ppoll",
 					"ppoll_time64",