// RUN: %clangxx_asan %s -o %t // RUN: not %run %t 0 2>&1 | FileCheck %s // RUN: not %run %t n 2>&1 | FileCheck %s -check-prefix=CHECK -check-prefix=NON_EXEC // Not every OS lists every memory region in MemoryMappingLayout. // REQUIRES: linux || freebsd || netbsd #include typedef void void_f(); int main(int argc, char **argv) { char *array = new char[42]; void_f *func; assert(argc > 1); if (argv[1][0] == '0') { func = (void_f *)0x04; } else { assert(argv[1][0] == 'n'); func = (void_f *)array; } func(); // x86 reports the SEGV with both address=X and pc=X. // On PowerPC64 ELFv1, the pointer is taken to be a function-descriptor // pointer out of which three 64-bit quantities are read. This will SEGV, but // the compiler is free to choose the order. As a result, the address is // either X, X+0x8 or X+0x10. The pc is still in main() because it has not // actually made the call when the faulting access occurs. // CHECK: DEADLYSIGNAL // CHECK: {{AddressSanitizer: (SEGV|access-violation).*(address|pc) }} // NON_EXEC: PC is at a non-executable region. Maybe a wild jump? return 0; }