libsanitizer/asan/asan_report.h

   1 //===-- asan_report.h -------------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file is a part of AddressSanitizer, an address sanity checker.
  10 //
  11 // ASan-private header for error reporting functions.
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef ASAN_REPORT_H
  15 #define ASAN_REPORT_H
  16
  17 #include "asan_allocator.h"
  18 #include "asan_internal.h"
  19 #include "asan_thread.h"
  20
  21 namespace __asan {
  22
  23 struct StackVarDescr {
  24   uptr beg;
  25   uptr size;
  26   const char *name_pos;
  27   uptr name_len;
  28   uptr line;
  29 };
  30
  31 // Returns the number of globals close to the provided address and copies
  32 // them to "globals" array.
  33 int GetGlobalsForAddress(uptr addr, __asan_global *globals, u32 *reg_sites,
  34                          int max_globals);
  35
  36 const char *MaybeDemangleGlobalName(const char *name);
  37 void PrintGlobalNameIfASCII(InternalScopedString *str, const __asan_global &g);
  38 void PrintGlobalLocation(InternalScopedString *str, const __asan_global &g);
  39
  40 void PrintMemoryByte(InternalScopedString *str, const char *before, u8 byte,
  41                      bool in_shadow, const char *after = "\n");
  42
  43 // The following functions prints address description depending
  44 // on the memory type (shadow/heap/stack/global).
  45 bool ParseFrameDescription(const char *frame_descr,
  46                            InternalMmapVector<StackVarDescr> *vars);
  47
  48 // Different kinds of error reports.
  49 void ReportGenericError(uptr pc, uptr bp, uptr sp, uptr addr, bool is_write,
  50                         uptr access_size, u32 exp, bool fatal);
  51 void ReportDeadlySignal(const SignalContext &sig);
  52 void ReportNewDeleteTypeMismatch(uptr addr, uptr delete_size,
  53                                  uptr delete_alignment,
  54                                  BufferedStackTrace *free_stack);
  55 void ReportDoubleFree(uptr addr, BufferedStackTrace *free_stack);
  56 void ReportFreeNotMalloced(uptr addr, BufferedStackTrace *free_stack);
  57 void ReportAllocTypeMismatch(uptr addr, BufferedStackTrace *free_stack,
  58                              AllocType alloc_type,
  59                              AllocType dealloc_type);
  60 void ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack);
  61 void ReportSanitizerGetAllocatedSizeNotOwned(uptr addr,
  62                                              BufferedStackTrace *stack);
  63 void ReportCallocOverflow(uptr count, uptr size, BufferedStackTrace *stack);
  64 void ReportReallocArrayOverflow(uptr count, uptr size,
  65                                 BufferedStackTrace *stack);
  66 void ReportPvallocOverflow(uptr size, BufferedStackTrace *stack);
  67 void ReportInvalidAllocationAlignment(uptr alignment,
  68                                       BufferedStackTrace *stack);
  69 void ReportInvalidAlignedAllocAlignment(uptr size, uptr alignment,
  70                                         BufferedStackTrace *stack);
  71 void ReportInvalidPosixMemalignAlignment(uptr alignment,
  72                                          BufferedStackTrace *stack);
  73 void ReportAllocationSizeTooBig(uptr user_size, uptr total_size, uptr max_size,
  74                                 BufferedStackTrace *stack);
  75 void ReportRssLimitExceeded(BufferedStackTrace *stack);
  76 void ReportOutOfMemory(uptr requested_size, BufferedStackTrace *stack);
  77 void ReportStringFunctionMemoryRangesOverlap(const char *function,
  78                                              const char *offset1, uptr length1,
  79                                              const char *offset2, uptr length2,
  80                                              BufferedStackTrace *stack);
  81 void ReportStringFunctionSizeOverflow(uptr offset, uptr size,
  82                                       BufferedStackTrace *stack);
  83 void ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end,
  84                                                   uptr old_mid, uptr new_mid,
  85                                                   BufferedStackTrace *stack);
  86
  87 void ReportODRViolation(const __asan_global *g1, u32 stack_id1,
  88                         const __asan_global *g2, u32 stack_id2);
  89
  90 // Mac-specific errors and warnings.
  91 void ReportMacMzReallocUnknown(uptr addr, uptr zone_ptr,
  92                                const char *zone_name,
  93                                BufferedStackTrace *stack);
  94 void ReportMacCfReallocUnknown(uptr addr, uptr zone_ptr,
  95                                const char *zone_name,
  96                                BufferedStackTrace *stack);
  97
  98 }  // namespace __asan
  99 #endif  // ASAN_REPORT_H