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