1 #include <stdlib.h> 2 int main() { 3 char *x = (char*)malloc(10 * sizeof(char)); 4 free(x); 5 return x[5]; 6 } 7 8 // Check-Common: {{.*ERROR: AddressSanitizer heap-use-after-free on address}} 9 // Check-Common: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}} 10 // Check-Common: {{READ of size 1 at 0x.* thread T0}} 11 // Check-Common: {{ #0 0x.* in main .*use-after-free.cc:5}} 12 // Check-Common: {{0x.* is located 5 bytes inside of 10-byte region .0x.*,0x.*}} 13 // Check-Common: {{freed by thread T0 here:}} 14 15 // Check-Linux: {{ #0 0x.* in free}} 16 // Check-Linux: {{ #1 0x.* in main .*use-after-free.cc:[45]}} 17 18 // Check-Darwin: {{ #0 0x.* in .*mz_free.*}} 19 // We override free() on Darwin, thus no malloc_zone_free 20 // Check-Darwin: {{ #1 0x.* in free}} 21 // Check-Darwin: {{ #2 0x.* in main .*use-after-free.cc:[45]}} 22 23 // Check-Common: {{previously allocated by thread T0 here:}} 24 25 // Check-Linux: {{ #0 0x.* in malloc}} 26 // Check-Linux: {{ #1 0x.* in main .*use-after-free.cc:3}} 27 28 // Check-Darwin: {{ #0 0x.* in .*mz_malloc.*}} 29 // Check-Darwin: {{ #1 0x.* in malloc_zone_malloc.*}} 30 // Check-Darwin: {{ #2 0x.* in malloc.*}} 31 // Check-Darwin: {{ #3 0x.* in main .*use-after-free.cc:3}} 32
