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📄 hwasan.cpp(15.25 KB)
📄 hwasan.h(5.69 KB)
📄 hwasan.syms.extra(21 B)
📄 hwasan_allocator.cpp(13.71 KB)
📄 hwasan_allocator.h(3.26 KB)
📄 hwasan_blacklist.txt(282 B)
📄 hwasan_checks.h(4.04 KB)
📄 hwasan_dynamic_shadow.cpp(5.17 KB)
📄 hwasan_dynamic_shadow.h(838 B)
📄 hwasan_exceptions.cpp(2.68 KB)
📄 hwasan_flags.h(799 B)
📄 hwasan_flags.inc(3.27 KB)
📄 hwasan_globals.cpp(3.03 KB)
📄 hwasan_globals.h(1.85 KB)
📄 hwasan_interceptors.cpp(11.1 KB)
📄 hwasan_interceptors_vfork.S(409 B)
📄 hwasan_interface_internal.h(6.32 KB)
📄 hwasan_linux.cpp(15.83 KB)
📄 hwasan_malloc_bisect.h(1.67 KB)
📄 hwasan_mapping.h(2.01 KB)
📄 hwasan_memintrinsics.cpp(1.6 KB)
📄 hwasan_new_delete.cpp(2.29 KB)
📄 hwasan_poisoning.cpp(1.89 KB)
📄 hwasan_poisoning.h(756 B)
📄 hwasan_report.cpp(24.11 KB)
📄 hwasan_report.h(1.2 KB)
📄 hwasan_setjmp.S(2.81 KB)
📄 hwasan_tag_mismatch_aarch64.S(5.89 KB)
📄 hwasan_thread.cpp(3.9 KB)
📄 hwasan_thread.h(2.82 KB)
📄 hwasan_thread_list.cpp(442 B)
📄 hwasan_thread_list.h(6.2 KB)
📄 hwasan_type_test.cpp(918 B)

Editing: hwasan_flags.inc

//===-- hwasan_flags.inc ----------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Hwasan runtime flags.
//
//===----------------------------------------------------------------------===//
#ifndef HWASAN_FLAG
# error "Define HWASAN_FLAG prior to including this file!"
#endif

// HWASAN_FLAG(Type, Name, DefaultValue, Description)
// See COMMON_FLAG in sanitizer_flags.inc for more details.

HWASAN_FLAG(bool, verbose_threads, false,
            "inform on thread creation/destruction")
HWASAN_FLAG(bool, tag_in_malloc, true, "")
HWASAN_FLAG(bool, tag_in_free, true, "")
HWASAN_FLAG(bool, print_stats, false, "")
HWASAN_FLAG(bool, halt_on_error, true, "")
HWASAN_FLAG(bool, atexit, false, "")

// Test only flag to disable malloc/realloc/free memory tagging on startup.
// Tagging can be reenabled with __hwasan_enable_allocator_tagging().
HWASAN_FLAG(bool, disable_allocator_tagging, false, "")

// If false, use simple increment of a thread local counter to generate new
// tags.
HWASAN_FLAG(bool, random_tags, true, "")

HWASAN_FLAG(
    int, max_malloc_fill_size, 0,
    "HWASan allocator flag. max_malloc_fill_size is the maximal amount of "
    "bytes that will be filled with malloc_fill_byte on malloc.")

HWASAN_FLAG(bool, free_checks_tail_magic, 1,
    "If set, free() will check the magic values "
    "to the right of the allocated object "
    "if the allocation size is not a divident of the granule size")
HWASAN_FLAG(
    int, max_free_fill_size, 0,
    "HWASan allocator flag. max_free_fill_size is the maximal amount of "
    "bytes that will be filled with free_fill_byte during free.")
HWASAN_FLAG(int, malloc_fill_byte, 0xbe,
          "Value used to fill the newly allocated memory.")
HWASAN_FLAG(int, free_fill_byte, 0x55,
          "Value used to fill deallocated memory.")
HWASAN_FLAG(int, heap_history_size, 1023,
          "The number of heap (de)allocations remembered per thread. "
          "Affects the quality of heap-related reports, but not the ability "
          "to find bugs.")
HWASAN_FLAG(bool, export_memory_stats, true,
            "Export up-to-date memory stats through /proc")
HWASAN_FLAG(int, stack_history_size, 1024,
            "The number of stack frames remembered per thread. "
            "Affects the quality of stack-related reports, but not the ability "
            "to find bugs.")

// Malloc / free bisection. Only tag malloc and free calls when a hash of
// allocation size and stack trace is between malloc_bisect_left and
// malloc_bisect_right (both inclusive). [0, 0] range is special and disables
// bisection (i.e. everything is tagged). Once the range is narrowed down
// enough, use malloc_bisect_dump to see interesting allocations.
HWASAN_FLAG(uptr, malloc_bisect_left, 0,
            "Left bound of malloc bisection, inclusive.")
HWASAN_FLAG(uptr, malloc_bisect_right, 0,
            "Right bound of malloc bisection, inclusive.")
HWASAN_FLAG(bool, malloc_bisect_dump, false,
            "Print all allocations within [malloc_bisect_left, "
            "malloc_bisect_right] range ")

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Editing: hwasan_flags.inc

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