1//===-- asan_report.h -------------------------------------------*- 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// This file is a part of AddressSanitizer, an address sanity checker.
10//
11// ASan-private header for error reporting functions.
12//===----------------------------------------------------------------------===//
13
14#ifndef ASAN_REPORT_H
15#define ASAN_REPORT_H
16
17#include "asan_allocator.h"
18#include "asan_internal.h"
19#include "asan_thread.h"
20
21namespace __asan {
22
23struct StackVarDescr {
24  uptr beg;
25  uptr size;
26  const char *name_pos;
27  uptr name_len;
28  uptr line;
29};
30
31// Returns the number of globals close to the provided address and copies
32// them to "globals" array.
33int GetGlobalsForAddress(uptr addr, __asan_global *globals, u32 *reg_sites,
34                         int max_globals);
35
36const char *MaybeDemangleGlobalName(const char *name);
37void PrintGlobalNameIfASCII(InternalScopedString *str, const __asan_global &g);
38void PrintGlobalLocation(InternalScopedString *str, const __asan_global &g);
39
40void PrintMemoryByte(InternalScopedString *str, const char *before, u8 byte,
41                     bool in_shadow, const char *after = "\n");
42
43// The following functions prints address description depending
44// on the memory type (shadow/heap/stack/global).
45bool ParseFrameDescription(const char *frame_descr,
46                           InternalMmapVector<StackVarDescr> *vars);
47
48// Different kinds of error reports.
49void ReportGenericError(uptr pc, uptr bp, uptr sp, uptr addr, bool is_write,
50                        uptr access_size, u32 exp, bool fatal);
51void ReportDeadlySignal(const SignalContext &sig);
52void ReportNewDeleteTypeMismatch(uptr addr, uptr delete_size,
53                                 uptr delete_alignment,
54                                 BufferedStackTrace *free_stack);
55void ReportDoubleFree(uptr addr, BufferedStackTrace *free_stack);
56void ReportFreeNotMalloced(uptr addr, BufferedStackTrace *free_stack);
57void ReportAllocTypeMismatch(uptr addr, BufferedStackTrace *free_stack,
58                             AllocType alloc_type,
59                             AllocType dealloc_type);
60void ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack);
61void ReportSanitizerGetAllocatedSizeNotOwned(uptr addr,
62                                             BufferedStackTrace *stack);
63void ReportCallocOverflow(uptr count, uptr size, BufferedStackTrace *stack);
64void ReportReallocArrayOverflow(uptr count, uptr size,
65                                BufferedStackTrace *stack);
66void ReportPvallocOverflow(uptr size, BufferedStackTrace *stack);
67void ReportInvalidAllocationAlignment(uptr alignment,
68                                      BufferedStackTrace *stack);
69void ReportInvalidAlignedAllocAlignment(uptr size, uptr alignment,
70                                        BufferedStackTrace *stack);
71void ReportInvalidPosixMemalignAlignment(uptr alignment,
72                                         BufferedStackTrace *stack);
73void ReportAllocationSizeTooBig(uptr user_size, uptr total_size, uptr max_size,
74                                BufferedStackTrace *stack);
75void ReportRssLimitExceeded(BufferedStackTrace *stack);
76void ReportOutOfMemory(uptr requested_size, BufferedStackTrace *stack);
77void ReportStringFunctionMemoryRangesOverlap(const char *function,
78                                             const char *offset1, uptr length1,
79                                             const char *offset2, uptr length2,
80                                             BufferedStackTrace *stack);
81void ReportStringFunctionSizeOverflow(uptr offset, uptr size,
82                                      BufferedStackTrace *stack);
83void ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end,
84                                                  uptr old_mid, uptr new_mid,
85                                                  BufferedStackTrace *stack);
86
87void ReportODRViolation(const __asan_global *g1, u32 stack_id1,
88                        const __asan_global *g2, u32 stack_id2);
89
90// Mac-specific errors and warnings.
91void ReportMacMzReallocUnknown(uptr addr, uptr zone_ptr,
92                               const char *zone_name,
93                               BufferedStackTrace *stack);
94void ReportMacCfReallocUnknown(uptr addr, uptr zone_ptr,
95                               const char *zone_name,
96                               BufferedStackTrace *stack);
97
98}  // namespace __asan
99#endif  // ASAN_REPORT_H
100