1 // Test that initially callocked memory is properly freed 2 // (see https://github.com/google/sanitizers/issues/626). 3 // 4 // RUN: %clang %s -o %t 5 // RUN: env LD_PRELOAD=%shared_libasan %run %t 6 // 7 // REQUIRES: asan-dynamic-runtime 8 // 9 // This way of setting LD_PRELOAD does not work with Android test runner. 10 // REQUIRES: not-android 11 12 #include <stdio.h> 13 #include <stdlib.h> 14 15 static void *ptr; 16 17 // This constructor will run before __asan_init 18 // so calloc will allocate memory from special pool. 19 static void init() { 20 ptr = calloc(10, 1); 21 } 22 23 __attribute__((section(".preinit_array"), used)) 24 void *dummy = init; 25 26 void free_memory() { 27 // This used to abort because 28 // Asan's free didn't recognize ptr. 29 free(ptr); 30 } 31 32 int main() { 33 free_memory(); 34 return 0; 35 } 36 37
