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