1 // RUN: %clangxx_asan -m64 -O0 %s -o %t && %t 2>&1 | %symbolize > %t.out 2 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out 3 // RUN: %clangxx_asan -m64 -O1 %s -o %t && %t 2>&1 | %symbolize > %t.out 4 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out 5 // RUN: %clangxx_asan -m64 -O2 %s -o %t && %t 2>&1 | %symbolize > %t.out 6 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out 7 // RUN: %clangxx_asan -m64 -O3 %s -o %t && %t 2>&1 | %symbolize > %t.out 8 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out 9 // RUN: %clangxx_asan -m32 -O0 %s -o %t && %t 2>&1 | %symbolize > %t.out 10 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out 11 // RUN: %clangxx_asan -m32 -O1 %s -o %t && %t 2>&1 | %symbolize > %t.out 12 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out 13 // RUN: %clangxx_asan -m32 -O2 %s -o %t && %t 2>&1 | %symbolize > %t.out 14 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out 15 // RUN: %clangxx_asan -m32 -O3 %s -o %t && %t 2>&1 | %symbolize > %t.out 16 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out 17 18 // Test use-after-free report in the case when access is at the right border of 19 // the allocation. 20 21 #include <stdlib.h> 22 int main() { 23 volatile char *x = (char*)malloc(sizeof(char)); 24 free((void*)x); 25 *x = 42; 26 // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}} 27 // CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}} 28 // CHECK: {{WRITE of size 1 at 0x.* thread T0}} 29 // CHECK: {{ #0 0x.* in _?main .*use-after-free-right.cc:25}} 30 // CHECK: {{0x.* is located 0 bytes inside of 1-byte region .0x.*,0x.*}} 31 // CHECK: {{freed by thread T0 here:}} 32 33 // CHECK-Linux: {{ #0 0x.* in .*free}} 34 // CHECK-Linux: {{ #1 0x.* in main .*use-after-free-right.cc:24}} 35 36 // CHECK-Darwin: {{ #0 0x.* in _?wrap_free}} 37 // CHECK-Darwin: {{ #1 0x.* in _?main .*use-after-free-right.cc:24}} 38 39 // CHECK: {{previously allocated by thread T0 here:}} 40 41 // CHECK-Linux: {{ #0 0x.* in .*malloc}} 42 // CHECK-Linux: {{ #1 0x.* in main .*use-after-free-right.cc:23}} 43 44 // CHECK-Darwin: {{ #0 0x.* in _?wrap_malloc.*}} 45 // CHECK-Darwin: {{ #1 0x.* in _?main .*use-after-free-right.cc:23}} 46 } 47
