| // RUN: %clangxx_asan -O0 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t |
| // RUN: %t 2>&1 | FileCheck %s |
| // RUN: %clangxx_asan -O1 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t |
| // RUN: %t 2>&1 | FileCheck %s |
| // RUN: %clangxx_asan -O2 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t |
| // RUN: %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; |
| } |