personality: Add support for setting execution domain.

Execution domains tell Linux how to map signal numbers into signal actions.
The execution domain system allows Linux to provide limited support for binaries
compiled under other UNIX-like operating systems.

Reference: https://man7.org/linux/man-pages/man2/personality.2.html

Signed-off-by: flouthoc <flouthoc.git@gmail.com>

test/e2e/run_test.go

@@ -1790,4 +1790,15 @@ WORKDIR /madethis`, BB)
 		_, err = strconv.Atoi(containerPID) // Make sure it's a proper integer
 		Expect(err).To(BeNil())
 	})
+
+	It("podman run check personality support", func() {
+		// TODO: Remove this as soon as this is merged and made available in our CI https://github.com/opencontainers/runc/pull/3126.
+		if !strings.Contains(podmanTest.OCIRuntime, "crun") {
+			Skip("Test only works on crun")
+		}
+		session := podmanTest.Podman([]string{"run", "--personality=LINUX32", "--name=testpersonality", ALPINE, "uname", "-a"})
+		session.WaitWithDefaultTimeout()
+		Expect(session).Should(Exit(0))
+		Expect(session.OutputToString()).To(ContainSubstring("i686"))
+	})
 })