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authorAndrey Konovalov <andreyknvl@google.com>2022-03-25 04:12:57 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-25 05:06:49 +0300
commitbb2f967ce2130b57b49d21d4cbcd06e67f14a562 (patch)
tree8b64e55a35707e6c3fcfffec92d2fe1a07e9965f /mm
parent31c65110b90c76153b41b9b7e22c361ff2fb4525 (diff)
downloadlinux-bb2f967ce2130b57b49d21d4cbcd06e67f14a562.tar.xz
kasan: move and simplify kasan_report_async
Place kasan_report_async() next to the other main reporting routines. Also simplify printed information. Link: https://lkml.kernel.org/r/52d942ef3ffd29bdfa225bbe8e327bc5bda7ab09.1646237226.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Marco Elver <elver@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/kasan/report.c28
1 files 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 @@ out:
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