1 // RUN: %clang_safestack %s -o %t 2 // RUN: %run %t 3 4 // RUN: %clang_nosafestack -fno-stack-protector %s -o %t 5 // RUN: not %run %t 6 7 // Test that buffer overflows on the unsafe stack do not affect variables on the 8 // safe stack. 9 10 // REQUIRES: stable-runtime 11 12 __attribute__((noinline)) 13 void fct(volatile int *buffer) 14 { 15 memset(buffer - 1, 0, 7 * sizeof(int)); 16 } 17 18 int main(int argc, char **argv) 19 { 20 int value1 = 42; 21 int buffer[5]; 22 int value2 = 42; 23 fct(buffer); 24 return value1 != 42 || value2 != 42; 25 } 26
