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    Subject[PATCH mm v11 19/42] kasan: rename print_shadow_for_address to print_memory_metadata
    From
    This is a preparatory commit for the upcoming addition of a new hardware
    tag-based (MTE-based) KASAN mode.

    Hardware tag-based KASAN won't be using shadow memory, but will reuse
    this function. Rename "shadow" to implementation-neutral "metadata".

    No functional changes.

    Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
    Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
    Reviewed-by: Marco Elver <elver@google.com>
    Reviewed-by: Alexander Potapenko <glider@google.com>
    ---
    Change-Id: I18397dddbed6bc6d365ddcaf063a83948e1150a5
    ---
    mm/kasan/report.c | 6 +++---
    1 file changed, 3 insertions(+), 3 deletions(-)

    diff --git a/mm/kasan/report.c b/mm/kasan/report.c
    index 2990ca34abaf..5d5733831ad7 100644
    --- a/mm/kasan/report.c
    +++ b/mm/kasan/report.c
    @@ -252,7 +252,7 @@ static int shadow_pointer_offset(const void *row, const void *shadow)
    (shadow - row) / SHADOW_BYTES_PER_BLOCK + 1;
    }

    -static void print_shadow_for_address(const void *addr)
    +static void print_memory_metadata(const void *addr)
    {
    int i;
    const void *shadow = kasan_mem_to_shadow(addr);
    @@ -338,7 +338,7 @@ void kasan_report_invalid_free(void *object, unsigned long ip)
    pr_err("\n");
    print_address_description(object, tag);
    pr_err("\n");
    - print_shadow_for_address(object);
    + print_memory_metadata(object);
    end_report(&flags);
    }

    @@ -379,7 +379,7 @@ static void __kasan_report(unsigned long addr, size_t size, bool is_write,
    if (addr_has_metadata(untagged_addr)) {
    print_address_description(untagged_addr, get_tag(tagged_addr));
    pr_err("\n");
    - print_shadow_for_address(info.first_bad_addr);
    + print_memory_metadata(info.first_bad_addr);
    } else {
    dump_stack();
    }
    --
    2.29.2.454.gaff20da3a2-goog
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