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 
17 namespace __scudo {
18 
19 void 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 
24 void 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 
30 void 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 
36 void NORETURN reportAllocationAlignmentNotPowerOfTwo(uptr Alignment) {
37   dieWithMessage("invalid allocation alignment: %zd, alignment must be a power "
38       "of two\n", Alignment);
39 }
40 
41 void NORETURN reportInvalidPosixMemalignAlignment(uptr Alignment) {
42   dieWithMessage("invalid alignment requested in posix_memalign: %zd, alignment"
43       " must be a power of two and a multiple of sizeof(void *) == %zd\n",
44       Alignment, sizeof(void *));  // NOLINT
45 }
46 
47 void NORETURN reportInvalidAlignedAllocAlignment(uptr Size, uptr Alignment) {
48 #if SANITIZER_POSIX
49   dieWithMessage("invalid alignment requested in aligned_alloc: %zd, alignment "
50       "must be a power of two and the requested size 0x%zx must be a multiple "
51       "of alignment\n", Alignment, Size);
52 #else
53   dieWithMessage("invalid alignment requested in aligned_alloc: %zd, the "
54       "requested size 0x%zx must be a multiple of alignment\n", Alignment,
55       Size);
56 #endif
57 }
58 
59 void NORETURN reportAllocationSizeTooBig(uptr UserSize, uptr TotalSize,
60                                          uptr MaxSize) {
61   dieWithMessage("requested allocation size 0x%zx (0x%zx after adjustments) "
62       "exceeds maximum supported size of 0x%zx\n", UserSize, TotalSize,
63       MaxSize);
64 }
65 
66 void NORETURN reportRssLimitExceeded() {
67   dieWithMessage("specified RSS limit exceeded, currently set to "
68       "soft_rss_limit_mb=%zd\n", common_flags()->soft_rss_limit_mb);
69 }
70 
71 void NORETURN reportOutOfMemory(uptr RequestedSize) {
72   dieWithMessage("allocator is out of memory trying to allocate 0x%zx bytes\n",
73                  RequestedSize);
74 }
75 
76 }  // namespace __scudo
77