| Date | Fri, 14 Aug 2020 19:26:57 +0200 | Subject | [PATCH 15/35] kasan: rename print_shadow_for_address to print_memory_metadata | From | Andrey Konovalov <> |
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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> --- 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 ada3cfb43764..8ad1ced1607d 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -255,7 +255,7 @@ 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); @@ -316,7 +316,7 @@ 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); } @@ -352,7 +352,7 @@ 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(); } -- 2.28.0.220.ged08abb693-goog
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