xref: /openbsd/gnu/llvm/compiler-rt/lib/asan/asan_report.h (revision 810390e3)

//===-- asan_report.h -------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// ASan-private header for error reporting functions.
//===----------------------------------------------------------------------===//

#ifndef ASAN_REPORT_H
#define ASAN_REPORT_H

#include "asan_allocator.h"
#include "asan_internal.h"
#include "asan_thread.h"

namespace __asan {

struct StackVarDescr {
  uptr beg;
  uptr size;
  const char *name_pos;
  uptr name_len;
  uptr line;
};

// Returns the number of globals close to the provided address and copies
// them to "globals" array.
int GetGlobalsForAddress(uptr addr, __asan_global *globals, u32 *reg_sites,
                         int max_globals);

const char *MaybeDemangleGlobalName(const char *name);
void PrintGlobalNameIfASCII(InternalScopedString *str, const __asan_global &g);
void PrintGlobalLocation(InternalScopedString *str, const __asan_global &g);

void PrintMemoryByte(InternalScopedString *str, const char *before, u8 byte,
                     bool in_shadow, const char *after = "\n");

// The following functions prints address description depending
// on the memory type (shadow/heap/stack/global).
bool ParseFrameDescription(const char *frame_descr,
                           InternalMmapVector<StackVarDescr> *vars);

// Different kinds of error reports.
void ReportGenericError(uptr pc, uptr bp, uptr sp, uptr addr, bool is_write,
                        uptr access_size, u32 exp, bool fatal);
void ReportDeadlySignal(const SignalContext &sig);
void ReportNewDeleteTypeMismatch(uptr addr, uptr delete_size,
                                 uptr delete_alignment,
                                 BufferedStackTrace *free_stack);
void ReportDoubleFree(uptr addr, BufferedStackTrace *free_stack);
void ReportFreeNotMalloced(uptr addr, BufferedStackTrace *free_stack);
void ReportAllocTypeMismatch(uptr addr, BufferedStackTrace *free_stack,
                             AllocType alloc_type,
                             AllocType dealloc_type);
void ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack);
void ReportSanitizerGetAllocatedSizeNotOwned(uptr addr,
                                             BufferedStackTrace *stack);
void ReportCallocOverflow(uptr count, uptr size, BufferedStackTrace *stack);
void ReportReallocArrayOverflow(uptr count, uptr size,
                                BufferedStackTrace *stack);
void ReportPvallocOverflow(uptr size, BufferedStackTrace *stack);
void ReportInvalidAllocationAlignment(uptr alignment,
                                      BufferedStackTrace *stack);
void ReportInvalidAlignedAllocAlignment(uptr size, uptr alignment,
                                        BufferedStackTrace *stack);
void ReportInvalidPosixMemalignAlignment(uptr alignment,
                                         BufferedStackTrace *stack);
void ReportAllocationSizeTooBig(uptr user_size, uptr total_size, uptr max_size,
                                BufferedStackTrace *stack);
void ReportRssLimitExceeded(BufferedStackTrace *stack);
void ReportOutOfMemory(uptr requested_size, BufferedStackTrace *stack);
void ReportStringFunctionMemoryRangesOverlap(const char *function,
                                             const char *offset1, uptr length1,
                                             const char *offset2, uptr length2,
                                             BufferedStackTrace *stack);
void ReportStringFunctionSizeOverflow(uptr offset, uptr size,
                                      BufferedStackTrace *stack);
void ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end,
                                                  uptr old_mid, uptr new_mid,
                                                  BufferedStackTrace *stack);
void ReportBadParamsToAnnotateDoubleEndedContiguousContainer(
    uptr storage_beg, uptr storage_end, uptr old_container_beg,
    uptr old_container_end, uptr new_container_beg, uptr new_container_end,
    BufferedStackTrace *stack);

void ReportODRViolation(const __asan_global *g1, u32 stack_id1,
                        const __asan_global *g2, u32 stack_id2);

// Mac-specific errors and warnings.
void ReportMacMzReallocUnknown(uptr addr, uptr zone_ptr,
                               const char *zone_name,
                               BufferedStackTrace *stack);
void ReportMacCfReallocUnknown(uptr addr, uptr zone_ptr,
                               const char *zone_name,
                               BufferedStackTrace *stack);

}  // namespace __asan
#endif  // ASAN_REPORT_H