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| author | Andrey Konovalov <andreyknvl@google.com> | 2022-09-05 23:05:40 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-03 14:03:00 -0700 |
| commit | a794898a0e17c1c563fcce614efbd3644d48fa2e (patch) | |
| tree | d567296a9079d7c453cece1f07775fc4c30e52c4 /mm/kasan | |
| parent | 559756e8a2e153f0f2ddf29c0ed9ac7b88345fb6 (diff) | |
| download | lwn-a794898a0e17c1c563fcce614efbd3644d48fa2e.tar.gz lwn-a794898a0e17c1c563fcce614efbd3644d48fa2e.zip | |
kasan: simplify print_report
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>
Diffstat (limited to 'mm/kasan')
| -rw-r--r-- | mm/kasan/report.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/mm/kasan/report.c b/mm/kasan/report.c index ac526c10ebff..dc38ada86f85 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -397,17 +397,16 @@ 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); |