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UPSTREAM: kasan: simplify print_report

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To simplify reading the implementation of print_report(), remove the
tagged_addr variable and rename untagged_addr to addr.

Link: https://lkml.kernel.org/r/f64f5f1093b3c06896bf0f850c5d9e661313fcb2.1662411799.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Peter Collingbourne <pcc@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Bug: 254721825
(cherry picked from commit a794898a0e)
Change-Id: I927355769dba4e5941b7fbcbb8992cf4fbbe2c53
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
This commit is contained in:
Andrey Konovalov
2022-09-05 23:05:40 +02:00
parent c28566c8de
commit 6b8566b7a4
1 changed files with 5 additions and 6 deletions
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11
mm/kasan/report.c
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@@ -392,17 +392,16 @@ static void print_memory_metadata(const void *addr)
static void print_report(struct kasan_report_info *info)
{
void *tagged_addr = info->access_addr;
void *untagged_addr = kasan_reset_tag(tagged_addr);
u8 tag = get_tag(tagged_addr);
void *addr = kasan_reset_tag(info->access_addr);
u8 tag = get_tag(info->access_addr);
print_error_description(info);
if (addr_has_metadata(untagged_addr))
if (addr_has_metadata(addr))
kasan_print_tags(tag, info->first_bad_addr);
pr_err("\n");
if (addr_has_metadata(untagged_addr)) {
print_address_description(untagged_addr, tag);
if (addr_has_metadata(addr)) {
print_address_description(addr, tag);
print_memory_metadata(info->first_bad_addr);
} else {
dump_stack_lvl(KERN_ERR);