diff options
Diffstat (limited to 'test/asan/TestCases/allocator_returns_null.cc')
| -rw-r--r-- | test/asan/TestCases/allocator_returns_null.cc | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/test/asan/TestCases/allocator_returns_null.cc b/test/asan/TestCases/allocator_returns_null.cc deleted file mode 100644 index 8ce002f04d61..000000000000 --- a/test/asan/TestCases/allocator_returns_null.cc +++ /dev/null @@ -1,131 +0,0 @@ -// Test the behavior of malloc/calloc/realloc/new when the allocation size is -// more than ASan allocator's max allowed one. -// By default (allocator_may_return_null=0) the process should crash. -// With allocator_may_return_null=1 the allocator should return 0, except the -// operator new(), which should crash anyway (operator new(std::nothrow) should -// return nullptr, indeed). -// -// RUN: %clangxx_asan -O0 %s -o %t -// RUN: not %run %t malloc 2>&1 | FileCheck %s --check-prefix=CHECK-mCRASH -// RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t malloc 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-mCRASH -// RUN: %env_asan_opts=allocator_may_return_null=1 %run %t malloc 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-mNULL -// RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t calloc 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-cCRASH -// RUN: %env_asan_opts=allocator_may_return_null=1 %run %t calloc 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-cNULL -// RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t calloc-overflow 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-coCRASH -// RUN: %env_asan_opts=allocator_may_return_null=1 %run %t calloc-overflow 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-coNULL -// RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t realloc 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-rCRASH -// RUN: %env_asan_opts=allocator_may_return_null=1 %run %t realloc 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-rNULL -// RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t realloc-after-malloc 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-mrCRASH -// RUN: %env_asan_opts=allocator_may_return_null=1 %run %t realloc-after-malloc 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-mrNULL -// RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t new 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-nCRASH -// RUN: %env_asan_opts=allocator_may_return_null=1 not %run %t new 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-nCRASH -// RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t new-nothrow 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-nnCRASH -// RUN: %env_asan_opts=allocator_may_return_null=1 %run %t new-nothrow 2>&1 \ -// RUN: | FileCheck %s --check-prefix=CHECK-nnNULL - -// UNSUPPORTED: win32 - -#include <assert.h> -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <limits> -#include <new> - -int main(int argc, char **argv) { - // Disable stderr buffering. Needed on Windows. - setvbuf(stderr, NULL, _IONBF, 0); - - assert(argc == 2); - const char *action = argv[1]; - fprintf(stderr, "%s:\n", action); - - static const size_t kMaxAllowedMallocSizePlusOne = -#if __LP64__ || defined(_WIN64) - (1ULL << 40) + 1; -#else - (3UL << 30) + 1; -#endif - - void *x = 0; - if (!strcmp(action, "malloc")) { - x = malloc(kMaxAllowedMallocSizePlusOne); - } else if (!strcmp(action, "calloc")) { - x = calloc((kMaxAllowedMallocSizePlusOne / 4) + 1, 4); - } else if (!strcmp(action, "calloc-overflow")) { - volatile size_t kMaxSizeT = std::numeric_limits<size_t>::max(); - size_t kArraySize = 4096; - volatile size_t kArraySize2 = kMaxSizeT / kArraySize + 10; - x = calloc(kArraySize, kArraySize2); - } else if (!strcmp(action, "realloc")) { - x = realloc(0, kMaxAllowedMallocSizePlusOne); - } else if (!strcmp(action, "realloc-after-malloc")) { - char *t = (char*)malloc(100); - *t = 42; - x = realloc(t, kMaxAllowedMallocSizePlusOne); - assert(*t == 42); - free(t); - } else if (!strcmp(action, "new")) { - x = operator new(kMaxAllowedMallocSizePlusOne); - } else if (!strcmp(action, "new-nothrow")) { - x = operator new(kMaxAllowedMallocSizePlusOne, std::nothrow); - } else { - assert(0); - } - - fprintf(stderr, "errno: %d\n", errno); - - // The NULL pointer is printed differently on different systems, while (long)0 - // is always the same. - fprintf(stderr, "x: %lx\n", (long)x); - free(x); - - return x != 0; -} - -// CHECK-mCRASH: malloc: -// CHECK-mCRASH: AddressSanitizer's allocator is terminating the process -// CHECK-cCRASH: calloc: -// CHECK-cCRASH: AddressSanitizer's allocator is terminating the process -// CHECK-coCRASH: calloc-overflow: -// CHECK-coCRASH: AddressSanitizer's allocator is terminating the process -// CHECK-rCRASH: realloc: -// CHECK-rCRASH: AddressSanitizer's allocator is terminating the process -// CHECK-mrCRASH: realloc-after-malloc: -// CHECK-mrCRASH: AddressSanitizer's allocator is terminating the process -// CHECK-nCRASH: new: -// CHECK-nCRASH: AddressSanitizer's allocator is terminating the process -// CHECK-nnCRASH: new-nothrow: -// CHECK-nnCRASH: AddressSanitizer's allocator is terminating the process - -// CHECK-mNULL: malloc: -// CHECK-mNULL: errno: 12 -// CHECK-mNULL: x: 0 -// CHECK-cNULL: calloc: -// CHECK-cNULL: errno: 12 -// CHECK-cNULL: x: 0 -// CHECK-coNULL: calloc-overflow: -// CHECK-coNULL: errno: 12 -// CHECK-coNULL: x: 0 -// CHECK-rNULL: realloc: -// CHECK-rNULL: errno: 12 -// CHECK-rNULL: x: 0 -// CHECK-mrNULL: realloc-after-malloc: -// CHECK-mrNULL: errno: 12 -// CHECK-mrNULL: x: 0 -// CHECK-nnNULL: new-nothrow: -// CHECK-nnNULL: x: 0 |