From 317dc34ab786d4f22bf7ed8ab546b9ae57f900d0 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Fri, 6 Nov 2015 16:30:32 -0800 Subject: [PATCH] selftests: run lib/test_printf module This runs the lib/test_printf module to make sure printf is operating sanely. Signed-off-by: Kees Cook Cc: Rasmus Villemoes Cc: Shuah Khan Cc: Andy Shevchenko Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- tools/testing/selftests/Makefile | 1 + tools/testing/selftests/lib/Makefile | 8 ++++++++ tools/testing/selftests/lib/printf.sh | 10 ++++++++++ 3 files changed, 19 insertions(+) create mode 100644 tools/testing/selftests/lib/Makefile create mode 100644 tools/testing/selftests/lib/printf.sh diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index cfe121353eec..4b4957b8df4e 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -6,6 +6,7 @@ TARGETS += firmware TARGETS += ftrace TARGETS += futex TARGETS += kcmp +TARGETS += lib TARGETS += membarrier TARGETS += memfd TARGETS += memory-hotplug diff --git a/tools/testing/selftests/lib/Makefile b/tools/testing/selftests/lib/Makefile new file mode 100644 index 000000000000..47147b968514 --- /dev/null +++ b/tools/testing/selftests/lib/Makefile @@ -0,0 +1,8 @@ +# Makefile for lib/ function selftests + +# No binaries, but make sure arg-less "make" doesn't trigger "run_tests" +all: + +TEST_PROGS := printf.sh + +include ../lib.mk diff --git a/tools/testing/selftests/lib/printf.sh b/tools/testing/selftests/lib/printf.sh new file mode 100644 index 000000000000..4fdc70fe6980 --- /dev/null +++ b/tools/testing/selftests/lib/printf.sh @@ -0,0 +1,10 @@ +#!/bin/sh +# Runs printf infrastructure using test_printf kernel module + +if /sbin/modprobe -q test_printf; then + /sbin/modprobe -q -r test_printf + echo "printf: ok" +else + echo "printf: [FAIL]" + exit 1 +fi