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 struct StackVarDescr { 22 uptr beg; 23 uptr size; 24 const char *name_pos; 25 uptr name_len; 26 }; 27 28 struct AddressDescription { 29 char *name; 30 uptr name_size; 31 uptr region_address; 32 uptr region_size; 33 const char *region_kind; 34 }; 35 36 // Returns the number of globals close to the provided address and copies 37 // them to "globals" array. 38 int GetGlobalsForAddress(uptr addr, __asan_global *globals, u32 *reg_sites, 39 int max_globals); 40 bool GetInfoForAddressIfGlobal(uptr addr, AddressDescription *descr); 41 // The following functions prints address description depending 42 // on the memory type (shadow/heap/stack/global). 43 void DescribeHeapAddress(uptr addr, uptr access_size); 44 bool DescribeAddressIfShadow(uptr addr, AddressDescription *descr = nullptr, 45 bool print = true); 46 bool ParseFrameDescription(const char *frame_descr, 47 InternalMmapVector<StackVarDescr> *vars); 48 bool DescribeAddressIfStack(uptr addr, uptr access_size); 49 void DescribeThread(AsanThreadContext *context); 50 51 // Different kinds of error reports. 52 void ReportGenericError(uptr pc, uptr bp, uptr sp, uptr addr, bool is_write, 53 uptr access_size, u32 exp, bool fatal); 54 void ReportStackOverflow(const SignalContext &sig); 55 void ReportDeadlySignal(const char *description, const SignalContext &sig); 56 void ReportNewDeleteSizeMismatch(uptr addr, uptr alloc_size, uptr delete_size, 57 BufferedStackTrace *free_stack); 58 void ReportDoubleFree(uptr addr, BufferedStackTrace *free_stack); 59 void ReportFreeNotMalloced(uptr addr, BufferedStackTrace *free_stack); 60 void ReportAllocTypeMismatch(uptr addr, BufferedStackTrace *free_stack, 61 AllocType alloc_type, 62 AllocType dealloc_type); 63 void ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack); 64 void ReportSanitizerGetAllocatedSizeNotOwned(uptr addr, 65 BufferedStackTrace *stack); 66 void ReportStringFunctionMemoryRangesOverlap(const char *function, 67 const char *offset1, uptr length1, 68 const char *offset2, uptr length2, 69 BufferedStackTrace *stack); 70 void ReportStringFunctionSizeOverflow(uptr offset, uptr size, 71 BufferedStackTrace *stack); 72 void ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end, 73 uptr old_mid, uptr new_mid, 74 BufferedStackTrace *stack); 75 76 void ReportODRViolation(const __asan_global *g1, u32 stack_id1, 77 const __asan_global *g2, u32 stack_id2); 78 79 // Mac-specific errors and warnings. 80 void ReportMacMzReallocUnknown(uptr addr, uptr zone_ptr, 81 const char *zone_name, 82 BufferedStackTrace *stack); 83 void ReportMacCfReallocUnknown(uptr addr, uptr zone_ptr, 84 const char *zone_name, 85 BufferedStackTrace *stack); 86 87 } // namespace __asan 88
