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