From 4ce1f1ecd21731f9de9de7d1a7a21d07d14110f9 Mon Sep 17 00:00:00 2001 From: Marcin Koscielnicki Date: Mon, 9 May 2016 21:53:47 +0000 Subject: [MSan] Add a test for vararg with lots of non-vararg arguments. This is a testcase for http://llvm.org/PR27646, hitting the bug on x86_64, aarch64, mips. Differential Revision: http://reviews.llvm.org/D19944 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@268981 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/msan/tests/msan_test.cc | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'lib/msan') diff --git a/lib/msan/tests/msan_test.cc b/lib/msan/tests/msan_test.cc index 90900b2c8..f2a4a1306 100644 --- a/lib/msan/tests/msan_test.cc +++ b/lib/msan/tests/msan_test.cc @@ -2462,6 +2462,20 @@ TEST(MemorySanitizer, VAArgManyTest) { vaargsfn_many(1, 2, *x, 3, 4, 5, 6, 7, 8, 9, *y); } +static void vaargsfn_manyfix(int g1, int g2, int g3, int g4, int g5, int g6, int g7, int g8, int g9, ...) { + va_list vl; + va_start(vl, g9); + EXPECT_NOT_POISONED(va_arg(vl, int)); + EXPECT_POISONED(va_arg(vl, int)); + va_end(vl); +} + +TEST(MemorySanitizer, VAArgManyFixTest) { + int* x = GetPoisoned(); + int* y = GetPoisoned(); + vaargsfn_manyfix(1, *x, 3, 4, 5, 6, 7, 8, 9, 10, *y); +} + static void vaargsfn_pass2(va_list vl) { EXPECT_NOT_POISONED(va_arg(vl, int)); EXPECT_NOT_POISONED(va_arg(vl, int)); -- cgit v1.2.3