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