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[asan] Add a test for stack unwinding in new and delete. 

llvm-svn: 201511
This commit is contained in:
Evgeniy Stepanov 2014-02-17 11:52:29 +00:00
parent fba430d299
commit 9e629abf1e
1 changed files with 29 additions and 0 deletions
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29
compiler-rt/test/asan/TestCases/use-after-delete.cc Normal file
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// RUN: %clangxx_asan -O0 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
// RUN: %clangxx_asan -O1 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
// RUN: %clangxx_asan -O2 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
// RUN: %clangxx_asan -O3 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
#include <stdlib.h>
int main() {
char * volatile x = new char[10];
delete[] x;
return x[5];
// CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
// CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}}
// CHECK: {{READ of size 1 at 0x.* thread T0}}
// CHECK: {{ #0 0x.* in main .*use-after-delete.cc:10}}
// CHECK: {{0x.* is located 5 bytes inside of 10-byte region .0x.*,0x.*}}
// CHECK: {{freed by thread T0 here:}}
// CHECK-Linux: {{ #0 0x.* in operator delete\[\]}}
// CHECK-Linux: {{ #1 0x.* in main .*use-after-delete.cc:9}}
// CHECK: {{previously allocated by thread T0 here:}}
// CHECK-Linux: {{ #0 0x.* in operator new\[\]}}
// CHECK-Linux: {{ #1 0x.* in main .*use-after-delete.cc:8}}
// CHECK: Shadow byte legend (one shadow byte represents 8 application bytes):
// CHECK: Global redzone:
// CHECK: ASan internal:
}