diff options
Diffstat (limited to 'test/scudo')
| -rw-r--r-- | test/scudo/memalign.cpp | 24 | ||||
| -rw-r--r-- | test/scudo/sizes.cpp | 45 |
2 files changed, 51 insertions, 18 deletions
diff --git a/test/scudo/memalign.cpp b/test/scudo/memalign.cpp index c263da75e616..856128f2489f 100644 --- a/test/scudo/memalign.cpp +++ b/test/scudo/memalign.cpp @@ -1,11 +1,12 @@ // RUN: %clang_scudo %s -o %t -// RUN: %run %t valid 2>&1 -// RUN: not %run %t invalid 2>&1 | FileCheck %s +// RUN: %run %t valid 2>&1 +// RUN: %run %t invalid 2>&1 // Tests that the various aligned allocation functions work as intended. Also // tests for the condition where the alignment is not a power of 2. #include <assert.h> +#include <errno.h> #include <malloc.h> #include <stdlib.h> #include <string.h> @@ -24,6 +25,7 @@ int main(int argc, char **argv) void *p = nullptr; size_t alignment = 1U << 12; size_t size = 1U << 12; + int err; assert(argc == 2); @@ -57,10 +59,22 @@ int main(int argc, char **argv) } } if (!strcmp(argv[1], "invalid")) { + // Alignment is not a power of 2. p = memalign(alignment - 1, size); - free(p); + assert(!p); + // Size is not a multiple of alignment. + p = aligned_alloc(alignment, size >> 1); + assert(!p); + p = (void *)0x42UL; + // Alignment is not a power of 2. + err = posix_memalign(&p, 3, size); + assert(!p); + assert(err == EINVAL); + p = (void *)0x42UL; + // Alignment is a power of 2, but not a multiple of size(void *). + err = posix_memalign(&p, 2, size); + assert(!p); + assert(err == EINVAL); } return 0; } - -// CHECK: ERROR: alignment is not a power of 2 diff --git a/test/scudo/sizes.cpp b/test/scudo/sizes.cpp index 981b859a8757..a0994c2515a2 100644 --- a/test/scudo/sizes.cpp +++ b/test/scudo/sizes.cpp @@ -1,8 +1,12 @@ -// RUN: %clang_scudo %s -o %t +// RUN: %clang_scudo %s -lstdc++ -o %t // RUN: SCUDO_OPTIONS=allocator_may_return_null=0 not %run %t malloc 2>&1 | FileCheck %s // RUN: SCUDO_OPTIONS=allocator_may_return_null=1 %run %t malloc 2>&1 // RUN: SCUDO_OPTIONS=allocator_may_return_null=0 not %run %t calloc 2>&1 | FileCheck %s // RUN: SCUDO_OPTIONS=allocator_may_return_null=1 %run %t calloc 2>&1 +// RUN: SCUDO_OPTIONS=allocator_may_return_null=0 not %run %t new 2>&1 | FileCheck %s +// RUN: SCUDO_OPTIONS=allocator_may_return_null=1 not %run %t new 2>&1 | FileCheck %s +// RUN: SCUDO_OPTIONS=allocator_may_return_null=0 not %run %t new-nothrow 2>&1 | FileCheck %s +// RUN: SCUDO_OPTIONS=allocator_may_return_null=1 %run %t new-nothrow 2>&1 // RUN: %run %t usable 2>&1 // Tests for various edge cases related to sizes, notably the maximum size the @@ -15,26 +19,38 @@ #include <string.h> #include <limits> +#include <new> -int main(int argc, char **argv) -{ +int main(int argc, char **argv) { assert(argc == 2); - if (!strcmp(argv[1], "malloc")) { - // Currently the maximum size the allocator can allocate is 1ULL<<40 bytes. - size_t size = std::numeric_limits<size_t>::max(); - void *p = malloc(size); + const char *action = argv[1]; + fprintf(stderr, "%s:\n", action); + +#if __LP64__ || defined(_WIN64) + static const size_t kMaxAllowedMallocSize = 1ULL << 40; + static const size_t kChunkHeaderSize = 16; +#else + static const size_t kMaxAllowedMallocSize = 2UL << 30; + static const size_t kChunkHeaderSize = 8; +#endif + + if (!strcmp(action, "malloc")) { + void *p = malloc(kMaxAllowedMallocSize); assert(!p); - size = (1ULL << 40) - 16; - p = malloc(size); + p = malloc(kMaxAllowedMallocSize - kChunkHeaderSize); assert(!p); - } - if (!strcmp(argv[1], "calloc")) { + } else if (!strcmp(action, "calloc")) { // Trigger an overflow in calloc. size_t size = std::numeric_limits<size_t>::max(); void *p = calloc((size / 0x1000) + 1, 0x1000); assert(!p); - } - if (!strcmp(argv[1], "usable")) { + } else if (!strcmp(action, "new")) { + void *p = operator new(kMaxAllowedMallocSize); + assert(!p); + } else if (!strcmp(action, "new-nothrow")) { + void *p = operator new(kMaxAllowedMallocSize, std::nothrow); + assert(!p); + } else if (!strcmp(action, "usable")) { // Playing with the actual usable size of a chunk. void *p = malloc(1007); assert(p); @@ -47,7 +63,10 @@ int main(int argc, char **argv) assert(size >= 2014); memset(p, 'B', size); free(p); + } else { + assert(0); } + return 0; } |
