forked from OSchip/llvm-project
34 lines
683 B
C++
34 lines
683 B
C++
// RUN: %clangxx_asan -O0 %s -o %t -mllvm -asan-detect-invalid-pointer-pair
|
|
|
|
// RUN: %env_asan_opts=detect_invalid_pointer_pairs=1 %run %t
|
|
|
|
#include <assert.h>
|
|
#include <stdlib.h>
|
|
|
|
int bar(char *p, char *q) {
|
|
return p <= q;
|
|
}
|
|
|
|
char global[10000] = {};
|
|
|
|
int main() {
|
|
// Heap allocated memory.
|
|
char *p = (char *)malloc(42);
|
|
int r = bar(p, p + 20);
|
|
free(p);
|
|
|
|
// Global variable.
|
|
bar(&global[0], &global[100]);
|
|
bar(&global[1000], &global[9000]);
|
|
bar(&global[500], &global[10]);
|
|
bar(&global[0], &global[10000]);
|
|
|
|
// Stack variable.
|
|
char stack[10000];
|
|
bar(&stack[0], &stack[100]);
|
|
bar(&stack[1000], &stack[9000]);
|
|
bar(&stack[500], &stack[10]);
|
|
|
|
return 0;
|
|
}
|