1 // Check that ASan correctly detects SEGV on the zero page. 2 // RUN: %clangxx_asan %s -o %t && not %run %t 2>&1 | FileCheck %s 3 4 typedef void void_f(); 5 int main() { 6 void_f *func = (void_f *)0x4; 7 func(); 8 // x86 reports the SEGV with both address=4 and pc=4. 9 // On PowerPC64 ELFv1, the pointer is taken to be a function-descriptor 10 // pointer out of which three 64-bit quantities are read. This will SEGV, but 11 // the compiler is free to choose the order. As a result, the address is 12 // either 0x4, 0xc or 0x14. The pc is still in main() because it has not 13 // actually made the call when the faulting access occurs. 14 // CHECK: {{AddressSanitizer: (SEGV|access-violation).*(address|pc) 0x0*[4c]}} 15 return 0; 16 } 17
