1 //===-- asan_report.h -------------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file is a part of AddressSanitizer, an address sanity checker. 11 // 12 // ASan-private header for error reporting functions. 13 //===----------------------------------------------------------------------===// 14 15 #include "asan_allocator.h" 16 #include "asan_internal.h" 17 #include "asan_thread.h" 18 19 namespace __asan { 20 21 // The following functions prints address description depending 22 // on the memory type (shadow/heap/stack/global). 23 void DescribeHeapAddress(uptr addr, uptr access_size); 24 bool DescribeAddressIfGlobal(uptr addr, uptr access_size); 25 bool DescribeAddressRelativeToGlobal(uptr addr, uptr access_size, 26 const __asan_global &g); 27 bool DescribeAddressIfShadow(uptr addr); 28 bool DescribeAddressIfStack(uptr addr, uptr access_size); 29 // Determines memory type on its own. 30 void DescribeAddress(uptr addr, uptr access_size); 31 32 void DescribeThread(AsanThreadSummary *summary); 33 34 // Different kinds of error reports. 35 void NORETURN ReportSIGSEGV(uptr pc, uptr sp, uptr bp, uptr addr); 36 void NORETURN ReportDoubleFree(uptr addr, StackTrace *stack); 37 void NORETURN ReportFreeNotMalloced(uptr addr, StackTrace *stack); 38 void NORETURN ReportAllocTypeMismatch(uptr addr, StackTrace *stack, 39 AllocType alloc_type, 40 AllocType dealloc_type); 41 void NORETURN ReportMallocUsableSizeNotOwned(uptr addr, 42 StackTrace *stack); 43 void NORETURN ReportAsanGetAllocatedSizeNotOwned(uptr addr, 44 StackTrace *stack); 45 void NORETURN ReportStringFunctionMemoryRangesOverlap( 46 const char *function, const char *offset1, uptr length1, 47 const char *offset2, uptr length2, StackTrace *stack); 48 49 // Mac-specific errors and warnings. 50 void WarnMacFreeUnallocated( 51 uptr addr, uptr zone_ptr, const char *zone_name, StackTrace *stack); 52 void NORETURN ReportMacMzReallocUnknown( 53 uptr addr, uptr zone_ptr, const char *zone_name, StackTrace *stack); 54 void NORETURN ReportMacCfReallocUnknown( 55 uptr addr, uptr zone_ptr, const char *zone_name, StackTrace *stack); 56 57 } // namespace __asan 58