blob: 6c464cd67129ce39c4b08f3bbde94071c4b6f169 [file] [log] [blame]
// RUN: %clangxx_asan -O0 %s -o %t -mllvm -asan-detect-invalid-pointer-pair
// RUN: %env_asan_opts=detect_invalid_pointer_pairs=2 %run %t
// RUN: %env_asan_opts=detect_invalid_pointer_pairs=2,detect_stack_use_after_return=0 %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;
}