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authorAndy Lutomirski <luto@kernel.org>2015-04-06 23:11:06 -0700
committerIngo Molnar <mingo@kernel.org>2015-04-08 08:22:02 +0200
commit3f705dfdf85a6416f5f12e52b7610144a99cbedc (patch)
tree02811abaaa5b30ad49d932376a4fa8b8b7917797 /tools/testing/selftests/Makefile
parentx86/alternatives: Guard NOPs optimization (diff)
downloadwireguard-linux-3f705dfdf85a6416f5f12e52b7610144a99cbedc.tar.xz
wireguard-linux-3f705dfdf85a6416f5f12e52b7610144a99cbedc.zip
x86, selftests: Add sigreturn selftest
This is my sigreturn test, added mostly unchanged from its old home. It exercises the sigreturn(2) syscall, specifically focusing on its interactions with various IRET corner cases. It tests for correct behavior in several areas that were historically dangerously buggy. For example, it exercises espfix on kernels of both bitnesses under various conditions, and it contains testcases for several now-fixed bugs in IRET error handling. If you run it on older kernels without the fixes, your system will crash. It probably won't eat your data in the process. There is no released kernel on which the sigreturn_64 test will pass, but it passes on tip:x86/asm. I plan to switch to lib.mk for Linux 4.2. I'm not using the ksft_ helpers at all yet. I can do that later. Signed-off-by: Andy Lutomirski <luto@kernel.org> Acked-by: Shuah Khan <shuahkh@osg.samsung.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Denys Vlasenko <vda.linux@googlemail.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Shuah Khan <shuah.kh@samsung.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/89d10b76b92c7202d8123654dc8d36701c017b3d.1428386971.git.luto@kernel.org [ Fixed empty format string GCC build warning in trivial_32bit_program.c ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/testing/selftests/Makefile')
-rw-r--r--tools/testing/selftests/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index 4e511221a0c1..2ad56d451469 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -17,6 +17,7 @@ TARGETS += sysctl
TARGETS += timers
TARGETS += user
TARGETS += vm
+TARGETS += x86
#Please keep the TARGETS list alphabetically sorted
TARGETS_HOTPLUG = cpu-hotplug