diff options
Diffstat (limited to 'test/asan/TestCases/stack-oob-frames.cc')
-rw-r--r-- | test/asan/TestCases/stack-oob-frames.cc | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/test/asan/TestCases/stack-oob-frames.cc b/test/asan/TestCases/stack-oob-frames.cc new file mode 100644 index 000000000000..3b5d511b2681 --- /dev/null +++ b/test/asan/TestCases/stack-oob-frames.cc @@ -0,0 +1,59 @@ +// RUN: %clangxx_asan -O1 %s -o %t +// RUN: not %run %t 0 2>&1 | FileCheck %s --check-prefix=CHECK0 +// RUN: not %run %t 1 2>&1 | FileCheck %s --check-prefix=CHECK1 +// RUN: not %run %t 2 2>&1 | FileCheck %s --check-prefix=CHECK2 +// RUN: not %run %t 3 2>&1 | FileCheck %s --check-prefix=CHECK3 + +#define NOINLINE __attribute__((noinline)) +inline void break_optimization(void *arg) { + __asm__ __volatile__("" : : "r" (arg) : "memory"); +} + +NOINLINE static void Frame0(int frame, char *a, char *b, char *c) { + char s[4] = {0}; + char *d = s; + break_optimization(&d); + switch (frame) { + case 3: a[5]++; break; + case 2: b[5]++; break; + case 1: c[5]++; break; + case 0: d[5]++; break; + } +} +NOINLINE static void Frame1(int frame, char *a, char *b) { + char c[4] = {0}; Frame0(frame, a, b, c); + break_optimization(0); +} +NOINLINE static void Frame2(int frame, char *a) { + char b[4] = {0}; Frame1(frame, a, b); + break_optimization(0); +} +NOINLINE static void Frame3(int frame) { + char a[4] = {0}; Frame2(frame, a); + break_optimization(0); +} + +int main(int argc, char **argv) { + if (argc != 2) return 1; + Frame3(argv[1][0] - '0'); +} + +// CHECK0: AddressSanitizer: stack-buffer-overflow +// CHECK0: #0{{.*}}Frame0 +// CHECK0: #1{{.*}}Frame1 +// CHECK0: #2{{.*}}Frame2 +// CHECK0: #3{{.*}}Frame3 +// CHECK0: is located in stack of thread T0 at offset +// CHECK0-NEXT: #0{{.*}}Frame0 +// +// CHECK1: AddressSanitizer: stack-buffer-overflow +// CHECK1: is located in stack of thread T0 at offset +// CHECK1-NEXT: #0{{.*}}Frame1 +// +// CHECK2: AddressSanitizer: stack-buffer-overflow +// CHECK2: is located in stack of thread T0 at offset +// CHECK2-NEXT: #0{{.*}}Frame2 +// +// CHECK3: AddressSanitizer: stack-buffer-overflow +// CHECK3: is located in stack of thread T0 at offset +// CHECK3-NEXT: #0{{.*}}Frame3 |