From 3efaaeb79dc1f4b9206c6e573ab125ce1613a560 Mon Sep 17 00:00:00 2001 From: Vitaly Buka Date: Thu, 18 Aug 2016 18:15:15 +0000 Subject: [PATCH] [asan] Add one more test for __asan_set_shadow_* Reviewers: eugenis, filcab Subscribers: llvm-commits, kubabrecka Differential Revision: https://reviews.llvm.org/D23676 llvm-svn: 279108 --- compiler-rt/test/asan/TestCases/set_shadow_test.c | 67 +++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 compiler-rt/test/asan/TestCases/set_shadow_test.c diff --git a/compiler-rt/test/asan/TestCases/set_shadow_test.c b/compiler-rt/test/asan/TestCases/set_shadow_test.c new file mode 100644 index 0000000..8db8b55 --- /dev/null +++ b/compiler-rt/test/asan/TestCases/set_shadow_test.c @@ -0,0 +1,67 @@ +// RUN: %clang_asan -O0 %s -o %t +// RUN: %run %t 0x00 2>&1 | FileCheck %s -check-prefix=X00 +// RUN: not %run %t 0xf1 2>&1 | FileCheck %s -check-prefix=XF1 +// RUN: not %run %t 0xf2 2>&1 | FileCheck %s -check-prefix=XF2 +// RUN: not %run %t 0xf3 2>&1 | FileCheck %s -check-prefix=XF3 +// RUN: not %run %t 0xf5 2>&1 | FileCheck %s -check-prefix=XF5 +// RUN: not %run %t 0xf8 2>&1 | FileCheck %s -check-prefix=XF8 + +#include +#include +#include +#include +#include + +void __asan_set_shadow_00(size_t addr, size_t size); +void __asan_set_shadow_f1(size_t addr, size_t size); +void __asan_set_shadow_f2(size_t addr, size_t size); +void __asan_set_shadow_f3(size_t addr, size_t size); +void __asan_set_shadow_f5(size_t addr, size_t size); +void __asan_set_shadow_f8(size_t addr, size_t size); + +char a __attribute__((aligned(8))); + +void f(long arg) { + size_t shadow_offset; + size_t shadow_scale; + __asan_get_shadow_mapping(&shadow_scale, &shadow_offset); + size_t addr = (((size_t)&a) >> shadow_scale) + shadow_offset; + + switch (arg) { + // X00-NOT: AddressSanitizer + // X00: PASS + case 0x00: + return __asan_set_shadow_00(addr, 1); + // XF1: AddressSanitizer: stack-buffer-underflow + // XF1: [f1] + case 0xf1: + return __asan_set_shadow_f1(addr, 1); + // XF2: AddressSanitizer: stack-buffer-overflow + // XF2: [f2] + case 0xf2: + return __asan_set_shadow_f2(addr, 1); + // XF3: AddressSanitizer: stack-buffer-overflow + // XF3: [f3] + case 0xf3: + return __asan_set_shadow_f3(addr, 1); + // XF5: AddressSanitizer: stack-use-after-return + // XF5: [f5] + case 0xf5: + return __asan_set_shadow_f5(addr, 1); + // XF8: AddressSanitizer: stack-use-after-scope + // XF8: [f8] + case 0xf8: + return __asan_set_shadow_f8(addr, 1); + } + assert(0); +} + +int main(int argc, char **argv) { + assert(argc > 1); + + long arg = strtol(argv[1], 0, 16); + f(arg); + a = 1; + printf("PASS\n"); + return 0; +} -- 2.7.4