diff options
Diffstat (limited to 'compiler-rt/test/asan/TestCases/stack-buffer-overflow-with-position.cpp')
| -rw-r--r-- | compiler-rt/test/asan/TestCases/stack-buffer-overflow-with-position.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/compiler-rt/test/asan/TestCases/stack-buffer-overflow-with-position.cpp b/compiler-rt/test/asan/TestCases/stack-buffer-overflow-with-position.cpp new file mode 100644 index 00000000000..0077663d6a1 --- /dev/null +++ b/compiler-rt/test/asan/TestCases/stack-buffer-overflow-with-position.cpp @@ -0,0 +1,45 @@ +// RUN: %clangxx_asan -O2 %s -o %t +// RUN: not %run %t -2 2>&1 | FileCheck --check-prefix=CHECK-m2 %s +// RUN: not %run %t -1 2>&1 | FileCheck --check-prefix=CHECK-m1 %s +// RUN: %run %t 0 +// RUN: %run %t 8 +// RUN: not %run %t 9 2>&1 | FileCheck --check-prefix=CHECK-9 %s +// RUN: not %run %t 10 2>&1 | FileCheck --check-prefix=CHECK-10 %s +// RUN: not %run %t 30 2>&1 | FileCheck --check-prefix=CHECK-30 %s +// RUN: not %run %t 31 2>&1 | FileCheck --check-prefix=CHECK-31 %s +// RUN: not %run %t 41 2>&1 | FileCheck --check-prefix=CHECK-41 %s +// RUN: not %run %t 42 2>&1 | FileCheck --check-prefix=CHECK-42 %s +// RUN: not %run %t 62 2>&1 | FileCheck --check-prefix=CHECK-62 %s +// RUN: not %run %t 63 2>&1 | FileCheck --check-prefix=CHECK-63 %s +// RUN: not %run %t 73 2>&1 | FileCheck --check-prefix=CHECK-73 %s +// RUN: not %run %t 74 2>&1 | FileCheck --check-prefix=CHECK-74 %s +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> +int main(int argc, char **argv) { + assert(argc >= 2); + int idx = atoi(argv[1]); + char AAA[10], BBB[10], CCC[10]; + memset(AAA, 0, sizeof(AAA)); + memset(BBB, 0, sizeof(BBB)); + memset(CCC, 0, sizeof(CCC)); + int res = 0; + char *p = AAA + idx; + printf("AAA: %p\ny: %p\nz: %p\np: %p\n", AAA, BBB, CCC, p); + // make sure BBB and CCC are not removed; + return *(short*)(p) + BBB[argc % 2] + CCC[argc % 2]; +} +// CHECK-m2: 'AAA'{{.*}} <== {{.*}}underflows this variable +// CHECK-m1: 'AAA'{{.*}} <== {{.*}}partially underflows this variable +// CHECK-9: 'AAA'{{.*}} <== {{.*}}partially overflows this variable +// CHECK-10: 'AAA'{{.*}} <== {{.*}}overflows this variable +// CHECK-30: 'BBB'{{.*}} <== {{.*}}underflows this variable +// CHECK-31: 'BBB'{{.*}} <== {{.*}}partially underflows this variable +// CHECK-41: 'BBB'{{.*}} <== {{.*}}partially overflows this variable +// CHECK-42: 'BBB'{{.*}} <== {{.*}}overflows this variable +// CHECK-62: 'CCC'{{.*}} <== {{.*}}underflows this variable +// CHECK-63: 'CCC'{{.*}} <== {{.*}}partially underflows this variable +// CHECK-73: 'CCC'{{.*}} <== {{.*}}partially overflows this variable +// CHECK-74: 'CCC'{{.*}} <== {{.*}}overflows this variable +// REQUIRES: shadow-scale-3 |
