1*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -O0 %s -o %t 2>&1 2*7c3d14c8STreehugger Robot // RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=MALLOC-CTX 3*7c3d14c8STreehugger Robot 4*7c3d14c8STreehugger Robot // Also works if no malloc context is available. 5*7c3d14c8STreehugger Robot // RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=0 not %run %t 2>&1 | FileCheck %s 6*7c3d14c8STreehugger Robot // RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=1 not %run %t 2>&1 | FileCheck %s 7*7c3d14c8STreehugger Robot 8*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -O0 -fsanitize-recover=address %s -o %t 2>&1 9*7c3d14c8STreehugger Robot // RUN: %env_asan_opts=halt_on_error=false %run %t 2>&1 | FileCheck %s --check-prefix CHECK-RECOVER 10*7c3d14c8STreehugger Robot 11*7c3d14c8STreehugger Robot // XFAIL: arm-linux-gnueabi 12*7c3d14c8STreehugger Robot // XFAIL: armv7l-unknown-linux-gnueabihf 13*7c3d14c8STreehugger Robot 14*7c3d14c8STreehugger Robot #include <stdlib.h> 15*7c3d14c8STreehugger Robot #include <string.h> main(int argc,char ** argv)16*7c3d14c8STreehugger Robotint main(int argc, char **argv) { 17*7c3d14c8STreehugger Robot char *x = (char*)malloc(10 * sizeof(char)); 18*7c3d14c8STreehugger Robot memset(x, 0, 10); 19*7c3d14c8STreehugger Robot int res = x[argc]; 20*7c3d14c8STreehugger Robot free(x); 21*7c3d14c8STreehugger Robot free(x + argc - 1); // BOOM 22*7c3d14c8STreehugger Robot // CHECK: AddressSanitizer: attempting double-free{{.*}}in thread T0 23*7c3d14c8STreehugger Robot // CHECK: #0 0x{{.*}} in {{.*}}free 24*7c3d14c8STreehugger Robot // CHECK: #1 0x{{.*}} in main {{.*}}double-free.cc:[[@LINE-3]] 25*7c3d14c8STreehugger Robot // CHECK: freed by thread T0 here: 26*7c3d14c8STreehugger Robot // MALLOC-CTX: #0 0x{{.*}} in {{.*}}free 27*7c3d14c8STreehugger Robot // MALLOC-CTX: #1 0x{{.*}} in main {{.*}}double-free.cc:[[@LINE-7]] 28*7c3d14c8STreehugger Robot // CHECK: allocated by thread T0 here: 29*7c3d14c8STreehugger Robot // MALLOC-CTX: double-free.cc:[[@LINE-12]] 30*7c3d14c8STreehugger Robot // CHECK-RECOVER: AddressSanitizer: attempting double-free{{.*}}in thread T0 31*7c3d14c8STreehugger Robot // CHECK-RECOVER-NOT: AddressSanitizer CHECK failed: 32*7c3d14c8STreehugger Robot return res; 33*7c3d14c8STreehugger Robot } 34