diff options
Diffstat (limited to 'lib/asan/lit_tests/TestCases/Linux/zero-base-shadow32.cc')
| -rw-r--r-- | lib/asan/lit_tests/TestCases/Linux/zero-base-shadow32.cc | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/TestCases/Linux/zero-base-shadow32.cc b/lib/asan/lit_tests/TestCases/Linux/zero-base-shadow32.cc new file mode 100644 index 000000000000..e6bcc5597471 --- /dev/null +++ b/lib/asan/lit_tests/TestCases/Linux/zero-base-shadow32.cc @@ -0,0 +1,24 @@ +// RUN: %clangxx_asan -O0 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t +// RUN: not %t 2>&1 | FileCheck %s +// RUN: %clangxx_asan -O1 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t +// RUN: not %t 2>&1 | FileCheck %s +// RUN: %clangxx_asan -O2 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t +// RUN: not %t 2>&1 | FileCheck %s + +// Zero-base shadow only works on x86_64 and i386. +// REQUIRES: i386-supported-target, asan-32-bits + +#include <string.h> +int main(int argc, char **argv) { + char x[10]; + memset(x, 0, 10); + int res = x[argc * 10]; // BOOOM + // CHECK: {{READ of size 1 at 0x.* thread T0}} + // CHECK: {{ #0 0x.* in main .*zero-base-shadow32.cc:}}[[@LINE-2]] + // CHECK: {{Address 0x.* is .* frame}} + // CHECK: main + + // Check that shadow for stack memory occupies lower part of address space. + // CHECK: =>0x1 + return res; +} |