1 //===-- asan_report.h -------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file is a part of AddressSanitizer, an address sanity checker.
12 // ASan-private header for error reporting functions.
13 //===----------------------------------------------------------------------===//
15 #include "asan_allocator.h"
16 #include "asan_internal.h"
17 #include "asan_thread.h"
21 struct StackVarDescr {
28 struct AddressDescription {
33 const char *region_kind;
36 // The following functions prints address description depending
37 // on the memory type (shadow/heap/stack/global).
38 void DescribeHeapAddress(uptr addr, uptr access_size);
39 bool DescribeAddressIfGlobal(uptr addr, uptr access_size);
40 bool DescribeAddressRelativeToGlobal(uptr addr, uptr access_size,
41 const __asan_global &g);
42 bool IsAddressNearGlobal(uptr addr, const __asan_global &g);
43 bool GetInfoForAddressIfGlobal(uptr addr, AddressDescription *descr);
44 bool DescribeAddressIfShadow(uptr addr, AddressDescription *descr = nullptr,
46 bool ParseFrameDescription(const char *frame_descr,
47 InternalMmapVector<StackVarDescr> *vars);
48 bool DescribeAddressIfStack(uptr addr, uptr access_size);
49 // Determines memory type on its own.
50 void DescribeAddress(uptr addr, uptr access_size);
52 void DescribeThread(AsanThreadContext *context);
54 // Different kinds of error reports.
55 void NORETURN ReportStackOverflow(const SignalContext &sig);
56 void NORETURN ReportSIGSEGV(const char *description, const SignalContext &sig);
57 void NORETURN ReportNewDeleteSizeMismatch(uptr addr, uptr delete_size,
58 BufferedStackTrace *free_stack);
59 void NORETURN ReportDoubleFree(uptr addr, BufferedStackTrace *free_stack);
60 void NORETURN ReportFreeNotMalloced(uptr addr, BufferedStackTrace *free_stack);
61 void NORETURN ReportAllocTypeMismatch(uptr addr, BufferedStackTrace *free_stack,
63 AllocType dealloc_type);
65 ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack);
67 ReportSanitizerGetAllocatedSizeNotOwned(uptr addr,
68 BufferedStackTrace *stack);
70 ReportStringFunctionMemoryRangesOverlap(const char *function,
71 const char *offset1, uptr length1,
72 const char *offset2, uptr length2,
73 BufferedStackTrace *stack);
74 void NORETURN ReportStringFunctionSizeOverflow(uptr offset, uptr size,
75 BufferedStackTrace *stack);
77 ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end,
78 uptr old_mid, uptr new_mid,
79 BufferedStackTrace *stack);
82 ReportODRViolation(const __asan_global *g1, u32 stack_id1,
83 const __asan_global *g2, u32 stack_id2);
85 // Mac-specific errors and warnings.
86 void WarnMacFreeUnallocated(uptr addr, uptr zone_ptr, const char *zone_name,
87 BufferedStackTrace *stack);
88 void NORETURN ReportMacMzReallocUnknown(uptr addr, uptr zone_ptr,
89 const char *zone_name,
90 BufferedStackTrace *stack);
91 void NORETURN ReportMacCfReallocUnknown(uptr addr, uptr zone_ptr,
92 const char *zone_name,
93 BufferedStackTrace *stack);