10b57cec5SDimitry Andric //===-- asan_report.h -------------------------------------------*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // 90b57cec5SDimitry Andric // This file is a part of AddressSanitizer, an address sanity checker. 100b57cec5SDimitry Andric // 110b57cec5SDimitry Andric // ASan-private header for error reporting functions. 120b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 130b57cec5SDimitry Andric 140b57cec5SDimitry Andric #ifndef ASAN_REPORT_H 150b57cec5SDimitry Andric #define ASAN_REPORT_H 160b57cec5SDimitry Andric 170b57cec5SDimitry Andric #include "asan_allocator.h" 180b57cec5SDimitry Andric #include "asan_internal.h" 190b57cec5SDimitry Andric #include "asan_thread.h" 200b57cec5SDimitry Andric 210b57cec5SDimitry Andric namespace __asan { 220b57cec5SDimitry Andric 230b57cec5SDimitry Andric struct StackVarDescr { 240b57cec5SDimitry Andric uptr beg; 250b57cec5SDimitry Andric uptr size; 260b57cec5SDimitry Andric const char *name_pos; 270b57cec5SDimitry Andric uptr name_len; 280b57cec5SDimitry Andric uptr line; 290b57cec5SDimitry Andric }; 300b57cec5SDimitry Andric 310b57cec5SDimitry Andric // Returns the number of globals close to the provided address and copies 320b57cec5SDimitry Andric // them to "globals" array. 330b57cec5SDimitry Andric int GetGlobalsForAddress(uptr addr, __asan_global *globals, u32 *reg_sites, 340b57cec5SDimitry Andric int max_globals); 350b57cec5SDimitry Andric 360b57cec5SDimitry Andric const char *MaybeDemangleGlobalName(const char *name); 370b57cec5SDimitry Andric void PrintGlobalNameIfASCII(InternalScopedString *str, const __asan_global &g); 38*5f757f3fSDimitry Andric void PrintGlobalLocation(InternalScopedString *str, const __asan_global &g, 39*5f757f3fSDimitry Andric bool print_module_name); 400b57cec5SDimitry Andric 410b57cec5SDimitry Andric void PrintMemoryByte(InternalScopedString *str, const char *before, u8 byte, 420b57cec5SDimitry Andric bool in_shadow, const char *after = "\n"); 430b57cec5SDimitry Andric 440b57cec5SDimitry Andric // The following functions prints address description depending 450b57cec5SDimitry Andric // on the memory type (shadow/heap/stack/global). 460b57cec5SDimitry Andric bool ParseFrameDescription(const char *frame_descr, 470b57cec5SDimitry Andric InternalMmapVector<StackVarDescr> *vars); 480b57cec5SDimitry Andric 490b57cec5SDimitry Andric // Different kinds of error reports. 500b57cec5SDimitry Andric void ReportGenericError(uptr pc, uptr bp, uptr sp, uptr addr, bool is_write, 510b57cec5SDimitry Andric uptr access_size, u32 exp, bool fatal); 520b57cec5SDimitry Andric void ReportDeadlySignal(const SignalContext &sig); 530b57cec5SDimitry Andric void ReportNewDeleteTypeMismatch(uptr addr, uptr delete_size, 540b57cec5SDimitry Andric uptr delete_alignment, 550b57cec5SDimitry Andric BufferedStackTrace *free_stack); 560b57cec5SDimitry Andric void ReportDoubleFree(uptr addr, BufferedStackTrace *free_stack); 570b57cec5SDimitry Andric void ReportFreeNotMalloced(uptr addr, BufferedStackTrace *free_stack); 580b57cec5SDimitry Andric void ReportAllocTypeMismatch(uptr addr, BufferedStackTrace *free_stack, 590b57cec5SDimitry Andric AllocType alloc_type, 600b57cec5SDimitry Andric AllocType dealloc_type); 610b57cec5SDimitry Andric void ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack); 620b57cec5SDimitry Andric void ReportSanitizerGetAllocatedSizeNotOwned(uptr addr, 630b57cec5SDimitry Andric BufferedStackTrace *stack); 640b57cec5SDimitry Andric void ReportCallocOverflow(uptr count, uptr size, BufferedStackTrace *stack); 650b57cec5SDimitry Andric void ReportReallocArrayOverflow(uptr count, uptr size, 660b57cec5SDimitry Andric BufferedStackTrace *stack); 670b57cec5SDimitry Andric void ReportPvallocOverflow(uptr size, BufferedStackTrace *stack); 680b57cec5SDimitry Andric void ReportInvalidAllocationAlignment(uptr alignment, 690b57cec5SDimitry Andric BufferedStackTrace *stack); 700b57cec5SDimitry Andric void ReportInvalidAlignedAllocAlignment(uptr size, uptr alignment, 710b57cec5SDimitry Andric BufferedStackTrace *stack); 720b57cec5SDimitry Andric void ReportInvalidPosixMemalignAlignment(uptr alignment, 730b57cec5SDimitry Andric BufferedStackTrace *stack); 740b57cec5SDimitry Andric void ReportAllocationSizeTooBig(uptr user_size, uptr total_size, uptr max_size, 750b57cec5SDimitry Andric BufferedStackTrace *stack); 760b57cec5SDimitry Andric void ReportRssLimitExceeded(BufferedStackTrace *stack); 770b57cec5SDimitry Andric void ReportOutOfMemory(uptr requested_size, BufferedStackTrace *stack); 780b57cec5SDimitry Andric void ReportStringFunctionMemoryRangesOverlap(const char *function, 790b57cec5SDimitry Andric const char *offset1, uptr length1, 800b57cec5SDimitry Andric const char *offset2, uptr length2, 810b57cec5SDimitry Andric BufferedStackTrace *stack); 820b57cec5SDimitry Andric void ReportStringFunctionSizeOverflow(uptr offset, uptr size, 830b57cec5SDimitry Andric BufferedStackTrace *stack); 840b57cec5SDimitry Andric void ReportBadParamsToAnnotateContiguousContainer(uptr beg, uptr end, 850b57cec5SDimitry Andric uptr old_mid, uptr new_mid, 860b57cec5SDimitry Andric BufferedStackTrace *stack); 87bdd1243dSDimitry Andric void ReportBadParamsToAnnotateDoubleEndedContiguousContainer( 88bdd1243dSDimitry Andric uptr storage_beg, uptr storage_end, uptr old_container_beg, 89bdd1243dSDimitry Andric uptr old_container_end, uptr new_container_beg, uptr new_container_end, 90bdd1243dSDimitry Andric BufferedStackTrace *stack); 910b57cec5SDimitry Andric 920b57cec5SDimitry Andric void ReportODRViolation(const __asan_global *g1, u32 stack_id1, 930b57cec5SDimitry Andric const __asan_global *g2, u32 stack_id2); 940b57cec5SDimitry Andric 950b57cec5SDimitry Andric // Mac-specific errors and warnings. 960b57cec5SDimitry Andric void ReportMacMzReallocUnknown(uptr addr, uptr zone_ptr, 970b57cec5SDimitry Andric const char *zone_name, 980b57cec5SDimitry Andric BufferedStackTrace *stack); 990b57cec5SDimitry Andric void ReportMacCfReallocUnknown(uptr addr, uptr zone_ptr, 1000b57cec5SDimitry Andric const char *zone_name, 1010b57cec5SDimitry Andric BufferedStackTrace *stack); 1020b57cec5SDimitry Andric 1030b57cec5SDimitry Andric } // namespace __asan 1040b57cec5SDimitry Andric #endif // ASAN_REPORT_H 105