1 //===-- scudo_errors.cpp ----------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 ///
10 /// Verbose termination functions.
11 ///
12 //===----------------------------------------------------------------------===//
13 
14 #include "scudo_utils.h"
15 
16 #include "sanitizer_common/sanitizer_flags.h"
17 
18 namespace __scudo {
19 
20 void NORETURN reportCallocOverflow(uptr Count, uptr Size) {
21   dieWithMessage("calloc parameters overflow: count * size (%zd * %zd) cannot "
22       "be represented with type size_t\n", Count, Size);
23 }
24 
25 void NORETURN reportPvallocOverflow(uptr Size) {
26   dieWithMessage("pvalloc parameters overflow: size 0x%zx rounded up to system "
27       "page size 0x%zx cannot be represented in type size_t\n", Size,
28       GetPageSizeCached());
29 }
30 
31 void NORETURN reportAllocationAlignmentTooBig(uptr Alignment,
32                                               uptr MaxAlignment) {
33   dieWithMessage("invalid allocation alignment: %zd exceeds maximum supported "
34       "allocation of %zd\n", Alignment, MaxAlignment);
35 }
36 
37 void NORETURN reportAllocationAlignmentNotPowerOfTwo(uptr Alignment) {
38   dieWithMessage("invalid allocation alignment: %zd, alignment must be a power "
39       "of two\n", Alignment);
40 }
41 
42 void NORETURN reportInvalidPosixMemalignAlignment(uptr Alignment) {
43   dieWithMessage("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 *));  // NOLINT
46 }
47 
48 void 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 
60 void 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 
67 void 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 
72 void 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