diff options
Diffstat (limited to 'test/asan/TestCases/vla_chrome_testcase.cc')
-rw-r--r-- | test/asan/TestCases/vla_chrome_testcase.cc | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/asan/TestCases/vla_chrome_testcase.cc b/test/asan/TestCases/vla_chrome_testcase.cc new file mode 100644 index 000000000000..8ee040120c48 --- /dev/null +++ b/test/asan/TestCases/vla_chrome_testcase.cc @@ -0,0 +1,30 @@ +// RUN: %clangxx_asan -O0 -mllvm -asan-instrument-allocas %s -o %t +// RUN: not %run %t 2>&1 | FileCheck %s +// + +// This is reduced testcase based on Chromium code. +// See http://reviews.llvm.org/D6055?vs=on&id=15616&whitespace=ignore-all#toc. + +#include <stdint.h> +#include <assert.h> + +int a = 7; +int b; +int c; +int *p; + +__attribute__((noinline)) void fn3(int *first, int second) { +} + +int main() { + int d = b && c; + int e[a]; // NOLINT + assert(!(reinterpret_cast<uintptr_t>(e) & 31L)); + int f; + if (d) + fn3(&f, sizeof 0 * (&c - e)); + e[a] = 0; +// CHECK: ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] +// CHECK: WRITE of size 4 at [[ADDR]] thread T0 + return 0; +} |