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| author | Andrey Konovalov <andreyknvl@google.com> | 2022-03-25 02:12:57 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-25 03:06:49 +0100 |
| commit | bb2f967ce2130b57b49d21d4cbcd06e67f14a562 (patch) | |
| tree | 8b64e55a35707e6c3fcfffec92d2fe1a07e9965f /mm | |
| parent | kasan: call print_report from kasan_report_invalid_free (diff) | |
| download | linux-bb2f967ce2130b57b49d21d4cbcd06e67f14a562.tar.xz linux-bb2f967ce2130b57b49d21d4cbcd06e67f14a562.zip | |
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.c | 28 |
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 |