1 // RUN: %clang_scudo %s -o %t 2 // RUN: SCUDO_OPTIONS=QuarantineSizeMb=1 %run %t 2>&1 3 4 // Tests that the quarantine prevents a chunk from being reused right away. 5 // Also tests that a chunk will eventually become available again for 6 // allocation when the recycling criteria has been met. 7 8 #include <malloc.h> 9 #include <stdlib.h> 10 #include <string.h> 11 12 int main(int argc, char **argv) 13 { 14 void *p, *old_p; 15 size_t size = 1U << 16; 16 17 // The delayed freelist will prevent a chunk from being available right away 18 p = malloc(size); 19 if (!p) 20 return 1; 21 old_p = p; 22 free(p); 23 p = malloc(size); 24 if (!p) 25 return 1; 26 if (old_p == p) 27 return 1; 28 free(p); 29 30 // Eventually the chunk should become available again 31 bool found = false; 32 for (int i = 0; i < 0x100 && found == false; i++) { 33 p = malloc(size); 34 if (!p) 35 return 1; 36 found = (p == old_p); 37 free(p); 38 } 39 if (found == false) 40 return 1; 41 42 return 0; 43 } 44
