From: andrey.konovalov@linux.dev
To: Marco Elver <elver@google.com>, Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>,
Dmitry Vyukov <dvyukov@google.com>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
kasan-dev@googlegroups.com,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Andrey Konovalov <andreyknvl@google.com>
Subject: [PATCH mm 01/22] kasan: drop addr check from describe_object_addr
Date: Wed, 2 Mar 2022 17:36:21 +0100 [thread overview]
Message-ID: <761f8e5a6ee040d665934d916a90afe9f322f745.1646237226.git.andreyknvl@google.com> (raw)
In-Reply-To: <cover.1646237226.git.andreyknvl@google.com>
From: Andrey Konovalov <andreyknvl@google.com>
describe_object_addr() used to be called with NULL addr in the early
days of KASAN. This no longer happens, so drop the check.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
mm/kasan/report.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index f64352008bb8..607a8c2e4674 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -162,9 +162,6 @@ static void describe_object_addr(struct kmem_cache *cache, void *object,
" which belongs to the cache %s of size %d\n",
object, cache->name, cache->object_size);
- if (!addr)
- return;
-
if (access_addr < object_addr) {
rel_type = "to the left";
rel_bytes = object_addr - access_addr;
--
2.25.1
next prev parent reply other threads:[~2022-03-02 16:36 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-02 16:36 [PATCH mm 00/22] kasan: report clean-ups and improvements andrey.konovalov
2022-03-02 16:36 ` andrey.konovalov [this message]
2022-03-02 17:27 ` [PATCH mm 01/22] kasan: drop addr check from describe_object_addr Alexander Potapenko
2022-03-02 16:36 ` [PATCH mm 02/22] kasan: more line breaks in reports andrey.konovalov
2022-03-02 17:28 ` Alexander Potapenko
2022-03-02 16:36 ` [PATCH mm 03/22] kasan: rearrange stack frame info " andrey.konovalov
2022-03-02 17:29 ` Alexander Potapenko
2022-03-02 16:36 ` [PATCH mm 04/22] kasan: improve " andrey.konovalov
2022-03-02 17:31 ` Alexander Potapenko
2022-03-02 16:36 ` [PATCH mm 05/22] kasan: print basic stack frame info for SW_TAGS andrey.konovalov
2022-03-02 17:34 ` Alexander Potapenko
2022-03-08 14:09 ` Andrey Konovalov
2022-03-02 16:36 ` [PATCH mm 06/22] kasan: simplify async check in end_report andrey.konovalov
2022-03-02 17:37 ` Alexander Potapenko
2022-03-08 14:09 ` Andrey Konovalov
2022-03-02 16:36 ` [PATCH mm 07/22] kasan: simplify kasan_update_kunit_status and call sites andrey.konovalov
2022-03-02 17:46 ` Alexander Potapenko
2022-03-02 16:36 ` [PATCH mm 08/22] kasan: check CONFIG_KASAN_KUNIT_TEST instead of CONFIG_KUNIT andrey.konovalov
2022-03-02 17:57 ` Alexander Potapenko
2022-03-02 16:36 ` [PATCH mm 09/22] kasan: move update_kunit_status to start_report andrey.konovalov
2022-03-02 16:36 ` [PATCH mm 10/22] kasan: move disable_trace_on_warning " andrey.konovalov
2022-03-02 18:00 ` Alexander Potapenko
2022-03-02 16:36 ` [PATCH mm 11/22] kasan: split out print_report from __kasan_report andrey.konovalov
2022-03-02 16:36 ` [PATCH mm 12/22] kasan: simplify kasan_find_first_bad_addr call sites andrey.konovalov
2022-03-02 16:36 ` [PATCH mm 13/22] kasan: restructure kasan_report andrey.konovalov
2022-03-02 16:36 ` [PATCH mm 14/22] kasan: merge __kasan_report into kasan_report andrey.konovalov
2022-03-02 16:36 ` [PATCH mm 15/22] kasan: call print_report from kasan_report_invalid_free andrey.konovalov
2022-03-02 16:36 ` [PATCH mm 16/22] kasan: move and simplify kasan_report_async andrey.konovalov
2022-03-02 16:36 ` [PATCH mm 17/22] kasan: rename kasan_access_info to kasan_report_info andrey.konovalov
2022-03-02 16:36 ` [PATCH mm 18/22] kasan: add comment about UACCESS regions to kasan_report andrey.konovalov
2022-03-02 16:36 ` [PATCH mm 19/22] kasan: respect KASAN_BIT_REPORTED in all reporting routines andrey.konovalov
2022-03-02 16:36 ` [PATCH mm 20/22] kasan: reorder reporting functions andrey.konovalov
2022-03-02 16:36 ` [PATCH mm 21/22] kasan: move and hide kasan_save_enable/restore_multi_shot andrey.konovalov
2022-03-02 16:36 ` [PATCH mm 22/22] kasan: disable LOCKDEP when printing reports andrey.konovalov
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