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 16/22] kasan: move and simplify kasan_report_async
Date: Wed, 2 Mar 2022 17:36:36 +0100 [thread overview]
Message-ID: <52d942ef3ffd29bdfa225bbe8e327bc5bda7ab09.1646237226.git.andreyknvl@google.com> (raw)
In-Reply-To: <cover.1646237226.git.andreyknvl@google.com>
From: Andrey Konovalov <andreyknvl@google.com>
Place kasan_report_async() next to the other main reporting routines.
Also simplify printed information.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
mm/kasan/report.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 73348f83b813..162fd2d6209e 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -392,20 +392,6 @@ static bool report_enabled(void)
return !test_and_set_bit(KASAN_BIT_REPORTED, &kasan_flags);
}
-#ifdef CONFIG_KASAN_HW_TAGS
-void kasan_report_async(void)
-{
- unsigned long flags;
-
- start_report(&flags, false);
- pr_err("BUG: KASAN: invalid-access\n");
- pr_err("Asynchronous mode enabled: no access details available\n");
- pr_err("\n");
- dump_stack_lvl(KERN_ERR);
- end_report(&flags, NULL);
-}
-#endif /* CONFIG_KASAN_HW_TAGS */
-
static void print_report(struct kasan_access_info *info)
{
void *tagged_addr = info->access_addr;
@@ -477,6 +463,20 @@ bool kasan_report(unsigned long addr, size_t size, bool is_write,
return ret;
}
+#ifdef CONFIG_KASAN_HW_TAGS
+void kasan_report_async(void)
+{
+ unsigned long flags;
+
+ start_report(&flags, false);
+ pr_err("BUG: KASAN: invalid-access\n");
+ pr_err("Asynchronous fault: no details available\n");
+ pr_err("\n");
+ dump_stack_lvl(KERN_ERR);
+ end_report(&flags, NULL);
+}
+#endif /* CONFIG_KASAN_HW_TAGS */
+
#ifdef CONFIG_KASAN_INLINE
/*
* With CONFIG_KASAN_INLINE, accesses to bogus pointers (outside the high
--
2.25.1
next prev parent reply other threads:[~2022-03-02 16:39 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 ` [PATCH mm 01/22] kasan: drop addr check from describe_object_addr andrey.konovalov
2022-03-02 17:27 ` 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 ` andrey.konovalov [this message]
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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