1//===-- scudo_errors.cpp ----------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8///
9/// Verbose termination functions.
10///
11//===----------------------------------------------------------------------===//
12
13#include "scudo_utils.h"
14
15#include "sanitizer_common/sanitizer_flags.h"
16
17namespace __scudo {
18
19void NORETURN reportCallocOverflow(uptr Count, uptr Size) {
20  dieWithMessage("calloc parameters overflow: count * size (%zd * %zd) cannot "
21      "be represented with type size_t\n", Count, Size);
22}
23
24void NORETURN reportPvallocOverflow(uptr Size) {
25  dieWithMessage("pvalloc parameters overflow: size 0x%zx rounded up to system "
26      "page size 0x%zx cannot be represented in type size_t\n", Size,
27      GetPageSizeCached());
28}
29
30void NORETURN reportAllocationAlignmentTooBig(uptr Alignment,
31                                              uptr MaxAlignment) {
32  dieWithMessage("invalid allocation alignment: %zd exceeds maximum supported "
33      "allocation of %zd\n", Alignment, MaxAlignment);
34}
35
36void NORETURN reportAllocationAlignmentNotPowerOfTwo(uptr Alignment) {
37  dieWithMessage("invalid allocation alignment: %zd, alignment must be a power "
38      "of two\n", Alignment);
39}
40
41void NORETURN reportInvalidPosixMemalignAlignment(uptr Alignment) {
42  dieWithMessage(
43      "invalid alignment requested in posix_memalign: %zd, alignment"
44      " must be a power of two and a multiple of sizeof(void *) == %zd\n",
45      Alignment, sizeof(void *));
46}
47
48void NORETURN reportInvalidAlignedAllocAlignment(uptr Size, uptr Alignment) {
49#if SANITIZER_POSIX
50  dieWithMessage("invalid alignment requested in aligned_alloc: %zd, alignment "
51      "must be a power of two and the requested size 0x%zx must be a multiple "
52      "of alignment\n", Alignment, Size);
53#else
54  dieWithMessage("invalid alignment requested in aligned_alloc: %zd, the "
55      "requested size 0x%zx must be a multiple of alignment\n", Alignment,
56      Size);
57#endif
58}
59
60void NORETURN reportAllocationSizeTooBig(uptr UserSize, uptr TotalSize,
61                                         uptr MaxSize) {
62  dieWithMessage("requested allocation size 0x%zx (0x%zx after adjustments) "
63      "exceeds maximum supported size of 0x%zx\n", UserSize, TotalSize,
64      MaxSize);
65}
66
67void NORETURN reportRssLimitExceeded() {
68  dieWithMessage("specified RSS limit exceeded, currently set to "
69      "soft_rss_limit_mb=%zd\n", common_flags()->soft_rss_limit_mb);
70}
71
72void NORETURN reportOutOfMemory(uptr RequestedSize) {
73  dieWithMessage("allocator is out of memory trying to allocate 0x%zx bytes\n",
74                 RequestedSize);
75}
76
77}  // namespace __scudo
78