1 //===-- asan_report.h -------------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file is a part of AddressSanitizer, an address sanity checker. 10 // 11 // ASan-private header for error reporting functions. 12 //===----------------------------------------------------------------------===// 13 14 #ifndef ASAN_REPORT_H 15 #define ASAN_REPORT_H 16 17 #include "asan_allocator.h" 18 #include "asan_internal.h" 19 #include "asan_thread.h" 20 21 namespace __asan { 22 23 struct StackVarDescr { 24 uptr beg; 25 uptr size; 26 const char *name_pos; 27 uptr name_len; 28 uptr line; 29 }; 30 31 // Returns the number of globals close to the provided address and copies 32 // them to "globals" array. 33 int GetGlobalsForAddress(uptr addr, __asan_global *globals, u32 *reg_sites, 34 int max_globals); 35 36 const char *MaybeDemangleGlobalName(const char *name); 37 void PrintGlobalNameIfASCII(InternalScopedString *str, const __asan_global &g); 38 void PrintGlobalLocation(InternalScopedString *str, const __asan_global &g); 39 40 void PrintMemoryByte(InternalScopedString *str, const char *before, u8 byte, 41 bool in_shadow, const char *after = "\n"); 42 43 // The following functions prints address description depending 44 // on the memory type (shadow/heap/stack/global). 45 bool ParseFrameDescription(const char *frame_descr, 46 InternalMmapVector<StackVarDescr> *vars); 47 48 // Different kinds of error reports. 49 void ReportGenericError(uptr pc, uptr bp, uptr sp, uptr addr, bool is_write, 50 uptr access_size, u32 exp, bool fatal); 51 void ReportDeadlySignal(const SignalContext &sig); 52 void ReportNewDeleteTypeMismatch(uptr addr, uptr delete_size, 53 uptr delete_alignment, 54 BufferedStackTrace *free_stack); 55 void ReportDoubleFree(uptr addr, BufferedStackTrace *free_stack); 56 void ReportFreeNotMalloced(uptr addr, BufferedStackTrace *free_stack); 57 void ReportAllocTypeMismatch(uptr addr, BufferedStackTrace *free_stack, 58 AllocType alloc_type, 59 AllocType dealloc_type); 60 void ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack); 61 void ReportSanitizerGetAllocatedSizeNotOwned(uptr addr, 62 BufferedStackTrace *stack); 63 void ReportCallocOverflow(uptr count, uptr size, BufferedStackTrace *stack); 64 void ReportReallocArrayOverflow(uptr count, uptr size, 65 BufferedStackTrace *stack); 66 void ReportPvallocOverflow(uptr size, BufferedStackTrace *stack); 67 void ReportInvalidAllocationAlignment(uptr alignment, 68 BufferedStackTrace *stack); 69 void ReportInvalidAlignedAllocAlignment(uptr size, uptr alignment, 70 BufferedStackTrace *stack); 71 void ReportInvalidPosixMemalignAlignment(uptr alignment, 72 BufferedStackTrace *stack); 73 void ReportAllocationSizeTooBig(uptr user_size, uptr total_size, uptr max_size, 74 BufferedStackTrace *stack); 75 void ReportRssLimitExceeded(BufferedStackTrace *stack); 76 void ReportOutOfMemory(uptr requested_size, BufferedStackTrace *stack); 77 void ReportStringFunctionMemoryRangesOverlap(const char *function, 78 const char *offset1, uptr length1, 79 const char *offset2, uptr length2, 80 BufferedStackTrace *stack); 81 void ReportStringFunctionSizeOverflow(uptr offset, uptr size, 82 BufferedStackTrace *stack); 83 void ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end, 84 uptr old_mid, uptr new_mid, 85 BufferedStackTrace *stack); 86 87 void ReportODRViolation(const __asan_global *g1, u32 stack_id1, 88 const __asan_global *g2, u32 stack_id2); 89 90 // Mac-specific errors and warnings. 91 void ReportMacMzReallocUnknown(uptr addr, uptr zone_ptr, 92 const char *zone_name, 93 BufferedStackTrace *stack); 94 void ReportMacCfReallocUnknown(uptr addr, uptr zone_ptr, 95 const char *zone_name, 96 BufferedStackTrace *stack); 97 98 } // namespace __asan 99 #endif // ASAN_REPORT_H 100