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 // Returns the number of globals close to the provided address and copies
  27 // them to "globals" array.
  28 int GetGlobalsForAddress(uptr addr, __asan_global *globals, u32 *reg_sites,
  29                          int max_globals);
  30
  31 const char *MaybeDemangleGlobalName(const char *name);
  32 void PrintGlobalNameIfASCII(InternalScopedString *str, const __asan_global &g);
  33 void PrintGlobalLocation(InternalScopedString *str, const __asan_global &g);
  34
  35 void PrintMemoryByte(InternalScopedString *str, const char *before, u8 byte,
  36                      bool in_shadow, const char *after = "\n");
  37
  38 // The following functions prints address description depending
  39 // on the memory type (shadow/heap/stack/global).
  40 bool ParseFrameDescription(const char *frame_descr,
  41                            InternalMmapVector<StackVarDescr> *vars);
  42
  43 // Different kinds of error reports.
  44 void ReportGenericError(uptr pc, uptr bp, uptr sp, uptr addr, bool is_write,
  45                         uptr access_size, u32 exp, bool fatal);
  46 void ReportStackOverflow(const SignalContext &sig);
  47 void ReportDeadlySignal(int signo, const SignalContext &sig);
  48 void ReportNewDeleteSizeMismatch(uptr addr, uptr delete_size,
  49                                  BufferedStackTrace *free_stack);
  50 void ReportDoubleFree(uptr addr, BufferedStackTrace *free_stack);
  51 void ReportFreeNotMalloced(uptr addr, BufferedStackTrace *free_stack);
  52 void ReportAllocTypeMismatch(uptr addr, BufferedStackTrace *free_stack,
  53                              AllocType alloc_type,
  54                              AllocType dealloc_type);
  55 void ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack);
  56 void ReportSanitizerGetAllocatedSizeNotOwned(uptr addr,
  57                                              BufferedStackTrace *stack);
  58 void ReportStringFunctionMemoryRangesOverlap(const char *function,
  59                                              const char *offset1, uptr length1,
  60                                              const char *offset2, uptr length2,
  61                                              BufferedStackTrace *stack);
  62 void ReportStringFunctionSizeOverflow(uptr offset, uptr size,
  63                                       BufferedStackTrace *stack);
  64 void ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end,
  65                                                   uptr old_mid, uptr new_mid,
  66                                                   BufferedStackTrace *stack);
  67
  68 void ReportODRViolation(const __asan_global *g1, u32 stack_id1,
  69                         const __asan_global *g2, u32 stack_id2);
  70
  71 // Mac-specific errors and warnings.
  72 void ReportMacMzReallocUnknown(uptr addr, uptr zone_ptr,
  73                                const char *zone_name,
  74                                BufferedStackTrace *stack);
  75 void ReportMacCfReallocUnknown(uptr addr, uptr zone_ptr,
  76                                const char *zone_name,
  77                                BufferedStackTrace *stack);
  78
  79 }  // namespace __asan