libsanitizer/asan/asan_report.h

   1 //===-- asan_report.h -------------------------------------------*- C++ -*-===//
   2 //
   3 // This file is distributed under the University of Illinois Open Source
   4 // License. See LICENSE.TXT for details.
   5 //
   6 //===----------------------------------------------------------------------===//
   7 //
   8 // This file is a part of AddressSanitizer, an address sanity checker.
   9 //
  10 // ASan-private header for error reporting functions.
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "asan_allocator.h"
  14 #include "asan_internal.h"
  15 #include "asan_thread.h"
  16
  17 namespace __asan {
  18
  19 struct StackVarDescr {
  20   uptr beg;
  21   uptr size;
  22   const char *name_pos;
  23   uptr name_len;
  24 };
  25
  26 struct AddressDescription {
  27   char *name;
  28   uptr name_size;
  29   uptr region_address;
  30   uptr region_size;
  31   const char *region_kind;
  32 };
  33
  34 // The following functions prints address description depending
  35 // on the memory type (shadow/heap/stack/global).
  36 void DescribeHeapAddress(uptr addr, uptr access_size);
  37 bool DescribeAddressIfGlobal(uptr addr, uptr access_size);
  38 bool DescribeAddressRelativeToGlobal(uptr addr, uptr access_size,
  39                                      const __asan_global &g);
  40 bool IsAddressNearGlobal(uptr addr, const __asan_global &g);
  41 bool GetInfoForAddressIfGlobal(uptr addr, AddressDescription *descr);
  42 bool DescribeAddressIfShadow(uptr addr, AddressDescription *descr = nullptr,
  43                              bool print = true);
  44 bool ParseFrameDescription(const char *frame_descr,
  45                            InternalMmapVector<StackVarDescr> *vars);
  46 bool DescribeAddressIfStack(uptr addr, uptr access_size);
  47 // Determines memory type on its own.
  48 void DescribeAddress(uptr addr, uptr access_size);
  49
  50 void DescribeThread(AsanThreadContext *context);
  51
  52 // Different kinds of error reports.
  53 void NORETURN
  54     ReportStackOverflow(uptr pc, uptr sp, uptr bp, void *context, uptr addr);
  55 void NORETURN ReportSIGSEGV(const char *description, uptr pc, uptr sp, uptr bp,
  56                             void *context, uptr addr);
  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,
  62                                       AllocType alloc_type,
  63                                       AllocType dealloc_type);
  64 void NORETURN
  65     ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack);
  66 void NORETURN
  67     ReportSanitizerGetAllocatedSizeNotOwned(uptr addr,
  68                                             BufferedStackTrace *stack);
  69 void NORETURN
  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);
  76 void NORETURN
  77     ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end,
  78                                                  uptr old_mid, uptr new_mid,
  79                                                  BufferedStackTrace *stack);
  80
  81 void NORETURN
  82 ReportODRViolation(const __asan_global *g1, u32 stack_id1,
  83                    const __asan_global *g2, u32 stack_id2);
  84
  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);
  94
  95 }  // namespace __asan