1*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK 2*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK 3*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK 4*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK 5*7c3d14c8STreehugger Robot // XFAIL: arm-linux-gnueabi 6*7c3d14c8STreehugger Robot // XFAIL: armv7l-unknown-linux-gnueabihf 7*7c3d14c8STreehugger Robot 8*7c3d14c8STreehugger Robot // Test use-after-free report in the case when access is at the right border of 9*7c3d14c8STreehugger Robot // the allocation. 10*7c3d14c8STreehugger Robot 11*7c3d14c8STreehugger Robot #include <stdlib.h> main()12*7c3d14c8STreehugger Robotint main() { 13*7c3d14c8STreehugger Robot volatile char *x = (char*)malloc(sizeof(char)); 14*7c3d14c8STreehugger Robot free((void*)x); 15*7c3d14c8STreehugger Robot *x = 42; 16*7c3d14c8STreehugger Robot // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}} 17*7c3d14c8STreehugger Robot // CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}} 18*7c3d14c8STreehugger Robot // CHECK: {{WRITE of size 1 at 0x.* thread T0}} 19*7c3d14c8STreehugger Robot // CHECK: {{ #0 0x.* in main .*use-after-free-right.cc:}}[[@LINE-4]] 20*7c3d14c8STreehugger Robot // CHECK: {{0x.* is located 0 bytes inside of 1-byte region .0x.*,0x.*}} 21*7c3d14c8STreehugger Robot // CHECK: {{freed by thread T0 here:}} 22*7c3d14c8STreehugger Robot 23*7c3d14c8STreehugger Robot // CHECK-Linux: {{ #0 0x.* in .*free}} 24*7c3d14c8STreehugger Robot // CHECK-Linux: {{ #1 0x.* in main .*use-after-free-right.cc:}}[[@LINE-10]] 25*7c3d14c8STreehugger Robot 26*7c3d14c8STreehugger Robot // CHECK-Darwin: {{ #0 0x.* in wrap_free}} 27*7c3d14c8STreehugger Robot // CHECK-Darwin: {{ #1 0x.* in main .*use-after-free-right.cc:}}[[@LINE-13]] 28*7c3d14c8STreehugger Robot 29*7c3d14c8STreehugger Robot // CHECK: {{previously allocated by thread T0 here:}} 30*7c3d14c8STreehugger Robot 31*7c3d14c8STreehugger Robot // CHECK-Linux: {{ #0 0x.* in .*malloc}} 32*7c3d14c8STreehugger Robot // CHECK-Linux: {{ #1 0x.* in main .*use-after-free-right.cc:}}[[@LINE-19]] 33*7c3d14c8STreehugger Robot 34*7c3d14c8STreehugger Robot // CHECK-Darwin: {{ #0 0x.* in wrap_malloc.*}} 35*7c3d14c8STreehugger Robot // CHECK-Darwin: {{ #1 0x.* in main .*use-after-free-right.cc:}}[[@LINE-22]] 36*7c3d14c8STreehugger Robot } 37