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authorAndrey Konovalov <andreyknvl@google.com>2020-12-22 12:01:07 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-12-22 12:55:07 -0800
commit6882464faf74666dbce86b77686d78ff4e506af3 (patch)
tree4daef8c942e021486ab654efdec659614001ec87 /mm/kasan/report.c
parent60a3a5fe950f4e6c02e9fc6676dc96de043ed743 (diff)
kasan: rename addr_has_shadow to addr_has_metadata
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. Link: https://lkml.kernel.org/r/370466fba590a4596b55ffd38adfd990f8886db4.1606161801.git.andreyknvl@google.com 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> Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Branislav Rankov <Branislav.Rankov@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Kevin Brodsky <kevin.brodsky@arm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/kasan/report.c')
-rw-r--r--mm/kasan/report.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 914ab5cfc3ea..a265c16c0f3f 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -361,7 +361,7 @@ static void __kasan_report(unsigned long addr, size_t size, bool is_write,
untagged_addr = reset_tag(tagged_addr);
info.access_addr = tagged_addr;
- if (addr_has_shadow(untagged_addr))
+ if (addr_has_metadata(untagged_addr))
info.first_bad_addr = find_first_bad_addr(tagged_addr, size);
else
info.first_bad_addr = untagged_addr;
@@ -372,11 +372,11 @@ static void __kasan_report(unsigned long addr, size_t size, bool is_write,
start_report(&flags);
print_error_description(&info);
- if (addr_has_shadow(untagged_addr))
+ if (addr_has_metadata(untagged_addr))
print_tags(get_tag(tagged_addr), info.first_bad_addr);
pr_err("\n");
- if (addr_has_shadow(untagged_addr)) {
+ 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);