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 // Returns the number of globals close to the provided address and copies
  35 // them to "globals" array.
  36 int GetGlobalsForAddress(uptr addr, __asan_global *globals, u32 *reg_sites,
  37                          int max_globals);
  38 bool GetInfoForAddressIfGlobal(uptr addr, AddressDescription *descr);
  39 // The following functions prints address description depending
  40 // on the memory type (shadow/heap/stack/global).
  41 void DescribeHeapAddress(uptr addr, uptr access_size);
  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 void DescribeThread(AsanThreadContext *context);
  48
  49 // Different kinds of error reports.
  50 void ReportGenericError(uptr pc, uptr bp, uptr sp, uptr addr, bool is_write,
  51                         uptr access_size, u32 exp, bool fatal);
  52 void ReportStackOverflow(const SignalContext &sig);
  53 void ReportDeadlySignal(const char *description, const SignalContext &sig);
  54 void ReportNewDeleteSizeMismatch(uptr addr, uptr delete_size,
  55                                  BufferedStackTrace *free_stack);
  56 void ReportDoubleFree(uptr addr, BufferedStackTrace *free_stack);
  57 void ReportFreeNotMalloced(uptr addr, BufferedStackTrace *free_stack);
  58 void ReportAllocTypeMismatch(uptr addr, BufferedStackTrace *free_stack,
  59                              AllocType alloc_type,
  60                              AllocType dealloc_type);
  61 void ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack);
  62 void ReportSanitizerGetAllocatedSizeNotOwned(uptr addr,
  63                                              BufferedStackTrace *stack);
  64 void ReportStringFunctionMemoryRangesOverlap(const char *function,
  65                                              const char *offset1, uptr length1,
  66                                              const char *offset2, uptr length2,
  67                                              BufferedStackTrace *stack);
  68 void ReportStringFunctionSizeOverflow(uptr offset, uptr size,
  69                                       BufferedStackTrace *stack);
  70 void ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end,
  71                                                   uptr old_mid, uptr new_mid,
  72                                                   BufferedStackTrace *stack);
  73
  74 void ReportODRViolation(const __asan_global *g1, u32 stack_id1,
  75                         const __asan_global *g2, u32 stack_id2);
  76
  77 // Mac-specific errors and warnings.
  78 void WarnMacFreeUnallocated(uptr addr, uptr zone_ptr, const char *zone_name,
  79                             BufferedStackTrace *stack);
  80 void ReportMacMzReallocUnknown(uptr addr, uptr zone_ptr,
  81                                const char *zone_name,
  82                                BufferedStackTrace *stack);
  83 void ReportMacCfReallocUnknown(uptr addr, uptr zone_ptr,
  84                                const char *zone_name,
  85                                BufferedStackTrace *stack);
  86
  87 }  // namespace __asan