1 // RUN: %clangxx_asan -O0 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t 2 // RUN: not %t 2>&1 | FileCheck %s 3 // RUN: %clangxx_asan -O1 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t 4 // RUN: not %t 2>&1 | FileCheck %s 5 // RUN: %clangxx_asan -O2 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t 6 // RUN: not %t 2>&1 | FileCheck %s 7 8 // Zero-base shadow only works on x86_64 and i386. 9 // REQUIRES: x86_64-supported-target, asan-64-bits 10 11 #include <string.h> 12 int main(int argc, char **argv) { 13 char x[10]; 14 memset(x, 0, 10); 15 int res = x[argc * 10]; // BOOOM 16 // CHECK: {{READ of size 1 at 0x.* thread T0}} 17 // CHECK: {{ #0 0x.* in main .*zero-base-shadow64.cc:}}[[@LINE-2]] 18 // CHECK: {{Address 0x.* is .* frame}} 19 // CHECK: main 20 21 // Check that shadow for stack memory occupies lower part of address space. 22 // CHECK: =>0x0f 23 return res; 24 } 25
