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 bool print_module_name); 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 ReportReallocArrayOverflow(uptr count, uptr size, 66 BufferedStackTrace *stack); 67 void ReportPvallocOverflow(uptr size, BufferedStackTrace *stack); 68 void ReportInvalidAllocationAlignment(uptr alignment, 69 BufferedStackTrace *stack); 70 void ReportInvalidAlignedAllocAlignment(uptr size, uptr alignment, 71 BufferedStackTrace *stack); 72 void ReportInvalidPosixMemalignAlignment(uptr alignment, 73 BufferedStackTrace *stack); 74 void ReportAllocationSizeTooBig(uptr user_size, uptr total_size, uptr max_size, 75 BufferedStackTrace *stack); 76 void ReportRssLimitExceeded(BufferedStackTrace *stack); 77 void ReportOutOfMemory(uptr requested_size, BufferedStackTrace *stack); 78 void ReportStringFunctionMemoryRangesOverlap(const char *function, 79 const char *offset1, uptr length1, 80 const char *offset2, uptr length2, 81 BufferedStackTrace *stack); 82 void ReportStringFunctionSizeOverflow(uptr offset, uptr size, 83 BufferedStackTrace *stack); 84 void ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end, 85 uptr old_mid, uptr new_mid, 86 BufferedStackTrace *stack); 87 void ReportBadParamsToAnnotateDoubleEndedContiguousContainer( 88 uptr storage_beg, uptr storage_end, uptr old_container_beg, 89 uptr old_container_end, uptr new_container_beg, uptr new_container_end, 90 BufferedStackTrace *stack); 91 92 void ReportODRViolation(const __asan_global *g1, u32 stack_id1, 93 const __asan_global *g2, u32 stack_id2); 94 95 // Mac-specific errors and warnings. 96 void ReportMacMzReallocUnknown(uptr addr, uptr zone_ptr, 97 const char *zone_name, 98 BufferedStackTrace *stack); 99 void ReportMacCfReallocUnknown(uptr addr, uptr zone_ptr, 100 const char *zone_name, 101 BufferedStackTrace *stack); 102 103 } // namespace __asan 104 #endif // ASAN_REPORT_H 105