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Differential D47971

[Sanitizers] Move allocator_returns_null.cc test to common.
ClosedPublic

Authored by alekseyshl on Jun 8 2018, 6:32 PM.

Details

Reviewers
vitalybuka
Commits
rG406385505d4e: [Sanitizers] Move allocator_returns_null.cc test to common.
rCRT334433: [Sanitizers] Move allocator_returns_null.cc test to common.
rL334433: [Sanitizers] Move allocator_returns_null.cc test to common.
Summary

Add allocator_returns_null.cc test to sanitizer_common and
remove all sanitizer-specific ones except:

  • HWASan is not covered by sanitizer_common
  • TSan allocator does not have comprehensive error reporting yet

Diff Detail

Repository
rL LLVM

Event Timeline

alekseyshl created this revision.Jun 8 2018, 6:32 PM
Herald added subscribers: Restricted Project, delcypher, kubamracek. · View Herald TranscriptJun 8 2018, 6:32 PM
Harbormaster completed remote builds in B19125: Diff 150599.Jun 8 2018, 6:32 PM
vitalybuka accepted this revision.Jun 8 2018, 6:40 PM
This revision is now accepted and ready to land.Jun 8 2018, 6:40 PM
Closed by commit rL334433: [Sanitizers] Move allocator_returns_null.cc test to common. (authored by alekseyshl). · Explain WhyJun 11 2018, 12:50 PM
This revision was automatically updated to reflect the committed changes.

Revision Contents

PathSize
compiler-rt/
trunk/
test/
asan/
TestCases/
133 lines
lsan/
TestCases/
133 lines
msan/
133 lines
sanitizer_common/
TestCases/
118 lines

Diff 150819

compiler-rt/trunk/test/asan/TestCases/allocator_returns_null.cc

// 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-OOM
// 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: SUMMARY: AddressSanitizer: allocation-size-too-big
// CHECK-cCRASH: calloc:
// CHECK-cCRASH: SUMMARY: AddressSanitizer: allocation-size-too-big
// CHECK-coCRASH: calloc-overflow:
// CHECK-coCRASH: SUMMARY: AddressSanitizer: calloc-overflow
// CHECK-rCRASH: realloc:
// CHECK-rCRASH: SUMMARY: AddressSanitizer: allocation-size-too-big
// CHECK-mrCRASH: realloc-after-malloc:
// CHECK-mrCRASH: SUMMARY: AddressSanitizer: allocation-size-too-big
// CHECK-nCRASH: new:
// CHECK-nCRASH: SUMMARY: AddressSanitizer: allocation-size-too-big
// CHECK-nCRASH-OOM: new:
// CHECK-nCRASH-OOM: SUMMARY: AddressSanitizer: out-of-memory
// CHECK-nnCRASH: new-nothrow:
// CHECK-nnCRASH: SUMMARY: AddressSanitizer: allocation-size-too-big
// 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

compiler-rt/trunk/test/lsan/TestCases/allocator_returns_null.cc

// Test the behavior of malloc/calloc/realloc/new when the allocation size is
// more than LSan 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_lsan -O0 %s -o %t
// RUN: not %run %t malloc 2>&1 | FileCheck %s --check-prefix=CHECK-mCRASH
// RUN: %env_lsan_opts=allocator_may_return_null=0 not %run %t malloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-mCRASH
// RUN: %env_lsan_opts=allocator_may_return_null=1 %run %t malloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-mNULL
// RUN: %env_lsan_opts=allocator_may_return_null=0 not %run %t calloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-cCRASH
// RUN: %env_lsan_opts=allocator_may_return_null=1 %run %t calloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-cNULL
// RUN: %env_lsan_opts=allocator_may_return_null=0 not %run %t calloc-overflow 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-coCRASH
// RUN: %env_lsan_opts=allocator_may_return_null=1 %run %t calloc-overflow 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-coNULL
// RUN: %env_lsan_opts=allocator_may_return_null=0 not %run %t realloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-rCRASH
// RUN: %env_lsan_opts=allocator_may_return_null=1 %run %t realloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-rNULL
// RUN: %env_lsan_opts=allocator_may_return_null=0 not %run %t realloc-after-malloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-mrCRASH
// RUN: %env_lsan_opts=allocator_may_return_null=1 %run %t realloc-after-malloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-mrNULL
// RUN: %env_lsan_opts=allocator_may_return_null=0 not %run %t new 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-nCRASH
// RUN: %env_lsan_opts=allocator_may_return_null=1 not %run %t new 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-nCRASH-OOM
// RUN: %env_lsan_opts=allocator_may_return_null=0 not %run %t new-nothrow 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-nnCRASH
// RUN: %env_lsan_opts=allocator_may_return_null=1 %run %t new-nothrow 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-nnNULL
#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);
// Use max of ASan and LSan allocator limits to cover both "lsan" and
// "lsan + asan" configs.
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: %zu\n", (size_t)x);
free(x);
return x != 0;
}
// CHECK-mCRASH: malloc:
// CHECK-mCRASH: {{SUMMARY: .*Sanitizer: allocation-size-too-big}}
// CHECK-cCRASH: calloc:
// CHECK-cCRASH: {{SUMMARY: .*Sanitizer: allocation-size-too-big}}
// CHECK-coCRASH: calloc-overflow:
// CHECK-coCRASH: {{SUMMARY: .*Sanitizer: calloc-overflow}}
// CHECK-rCRASH: realloc:
// CHECK-rCRASH: {{SUMMARY: .*Sanitizer: allocation-size-too-big}}
// CHECK-mrCRASH: realloc-after-malloc:
// CHECK-mrCRASH: {{SUMMARY: .*Sanitizer: allocation-size-too-big}}
// CHECK-nCRASH: new:
// CHECK-nCRASH: {{SUMMARY: .*Sanitizer: allocation-size-too-big}}
// CHECK-nCRASH-OOM: new:
// CHECK-nCRASH-OOM: {{SUMMARY: .*Sanitizer: out-of-memory}}
// CHECK-nnCRASH: new-nothrow:
// CHECK-nnCRASH: {{SUMMARY: .*Sanitizer: allocation-size-too-big}}
// 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

compiler-rt/trunk/test/msan/allocator_returns_null.cc

// Test the behavior of malloc/calloc/realloc/new when the allocation size is
// more than MSan 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_msan -O0 %s -o %t
// RUN: not %run %t malloc 2>&1 | FileCheck %s --check-prefix=CHECK-mCRASH
// RUN: MSAN_OPTIONS=allocator_may_return_null=0 not %run %t malloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-mCRASH
// RUN: MSAN_OPTIONS=allocator_may_return_null=1 %run %t malloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-mNULL
// RUN: MSAN_OPTIONS=allocator_may_return_null=0 not %run %t calloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-cCRASH
// RUN: MSAN_OPTIONS=allocator_may_return_null=1 %run %t calloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-cNULL
// RUN: MSAN_OPTIONS=allocator_may_return_null=0 not %run %t calloc-overflow 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-coCRASH
// RUN: MSAN_OPTIONS=allocator_may_return_null=1 %run %t calloc-overflow 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-coNULL
// RUN: MSAN_OPTIONS=allocator_may_return_null=0 not %run %t realloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-rCRASH
// RUN: MSAN_OPTIONS=allocator_may_return_null=1 %run %t realloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-rNULL
// RUN: MSAN_OPTIONS=allocator_may_return_null=0 not %run %t realloc-after-malloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-mrCRASH
// RUN: MSAN_OPTIONS=allocator_may_return_null=1 %run %t realloc-after-malloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-mrNULL
// RUN: MSAN_OPTIONS=allocator_may_return_null=0 not %run %t new 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-nCRASH
// RUN: MSAN_OPTIONS=allocator_may_return_null=1 not %run %t new 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-nCRASH-OOM
// RUN: MSAN_OPTIONS=allocator_may_return_null=0 not %run %t new-nothrow 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-nnCRASH
// RUN: MSAN_OPTIONS=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)
(8UL << 30) + 1;
#else
(2UL << 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: SUMMARY: MemorySanitizer: allocation-size-too-big
// CHECK-cCRASH: calloc:
// CHECK-cCRASH: SUMMARY: MemorySanitizer: allocation-size-too-big
// CHECK-coCRASH: calloc-overflow:
// CHECK-coCRASH: SUMMARY: MemorySanitizer: calloc-overflow
// CHECK-rCRASH: realloc:
// CHECK-rCRASH: SUMMARY: MemorySanitizer: allocation-size-too-big
// CHECK-mrCRASH: realloc-after-malloc:
// CHECK-mrCRASH: SUMMARY: MemorySanitizer: allocation-size-too-big
// CHECK-nCRASH: new:
// CHECK-nCRASH: SUMMARY: MemorySanitizer: allocation-size-too-big
// CHECK-nCRASH-OOM: new:
// CHECK-nCRASH-OOM: SUMMARY: MemorySanitizer: out-of-memory
// CHECK-nnCRASH: new-nothrow:
// CHECK-nnCRASH: SUMMARY: MemorySanitizer: allocation-size-too-big
// 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

compiler-rt/trunk/test/sanitizer_common/TestCases/allocator_returns_null.cc

// Test the behavior of malloc/calloc/realloc/new when the allocation size
// exceeds the sanitizer's allocator 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 and set errno to
// the appropriate error code.
//
// RUN: %clangxx -O0 %s -o %t
// RUN: not %run %t malloc 2>&1 | FileCheck %s --check-prefix=CHECK-mCRASH
// RUN: %tool_options=allocator_may_return_null=0 not %run %t malloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-mCRASH
// RUN: %tool_options=allocator_may_return_null=1 %run %t malloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-NULL
// RUN: %tool_options=allocator_may_return_null=0 not %run %t calloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-cCRASH
// RUN: %tool_options=allocator_may_return_null=1 %run %t calloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-NULL
// RUN: %tool_options=allocator_may_return_null=0 not %run %t calloc-overflow 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-coCRASH
// RUN: %tool_options=allocator_may_return_null=1 %run %t calloc-overflow 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-NULL
// RUN: %tool_options=allocator_may_return_null=0 not %run %t realloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-rCRASH
// RUN: %tool_options=allocator_may_return_null=1 %run %t realloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-NULL
// RUN: %tool_options=allocator_may_return_null=0 not %run %t realloc-after-malloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-mrCRASH
// RUN: %tool_options=allocator_may_return_null=1 %run %t realloc-after-malloc 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-NULL
// RUN: %tool_options=allocator_may_return_null=0 not %run %t new 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-nCRASH
// RUN: %tool_options=allocator_may_return_null=1 not %run %t new 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-nCRASH-OOM
// RUN: %tool_options=allocator_may_return_null=0 not %run %t new-nothrow 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-nnCRASH
// RUN: %tool_options=allocator_may_return_null=1 %run %t new-nothrow 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-NULL
// TODO(alekseyshl): win32 is disabled due to failing errno tests, fix it there.
// UNSUPPORTED: tsan, ubsan, 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) {
assert(argc == 2);
const char *action = argv[1];
fprintf(stderr, "%s:\n", action);
// The maximum value of all supported sanitizers:
// ASan: asan_allocator.cc, search for kMaxAllowedMallocSize.
// LSan: lsan_allocator.cc, search for kMaxAllowedMallocSize.
// ASan + LSan: ASan limit is used.
// MSan: msan_allocator.cc, search for kMaxAllowedMallocSize.
// TSan: tsan_mman.cc, user_alloc_internal function.
static const size_t kMaxAllowedMallocSizePlusOne =
#if __LP64__ || defined(_WIN64)
(1ULL << 40) + 1;
#else
(3UL << 30) + 1;
#endif
void *x = nullptr;
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);
free(x);
return x != nullptr;
}
// CHECK-mCRASH: malloc:
// CHECK-mCRASH: {{SUMMARY: .*Sanitizer: allocation-size-too-big}}
// CHECK-cCRASH: calloc:
// CHECK-cCRASH: {{SUMMARY: .*Sanitizer: allocation-size-too-big}}
// CHECK-coCRASH: calloc-overflow:
// CHECK-coCRASH: {{SUMMARY: .*Sanitizer: calloc-overflow}}
// CHECK-rCRASH: realloc:
// CHECK-rCRASH: {{SUMMARY: .*Sanitizer: allocation-size-too-big}}
// CHECK-mrCRASH: realloc-after-malloc:
// CHECK-mrCRASH: {{SUMMARY: .*Sanitizer: allocation-size-too-big}}
// CHECK-nCRASH: new:
// CHECK-nCRASH: {{SUMMARY: .*Sanitizer: allocation-size-too-big}}
// CHECK-nCRASH-OOM: new:
// CHECK-nCRASH-OOM: {{SUMMARY: .*Sanitizer: out-of-memory}}
// CHECK-nnCRASH: new-nothrow:
// CHECK-nnCRASH: {{SUMMARY: .*Sanitizer: allocation-size-too-big}}
// CHECK-NULL: {{malloc|calloc|calloc-overflow|realloc|realloc-after-malloc|new-nothrow}}
// CHECK-NULL: errno: 12
compiler-rt/trunk/test/lsan/TestCases/allocator_returns_null.cc