diff options
| author | Andrey Konovalov <andreyknvl@google.com> | 2022-09-11 02:25:30 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-04 00:03:02 +0300 |
| commit | dcc579663f607392ade99a2301278239e819f57e (patch) | |
| tree | e8f4b53dbd4747d25bc47dd9783a1d5def152651 /mm/kasan/report_generic.c | |
| parent | f7e01ab828fd4bf6d25b1f143a3994241e8572bf (diff) | |
| download | linux-dcc579663f607392ade99a2301278239e819f57e.tar.xz | |
kasan: better invalid/double-free report header
Update the report header for invalid- and double-free bugs to contain the
address being freed:
BUG: KASAN: invalid-free in kfree+0x280/0x2a8
Free of addr ffff00000beac001 by task kunit_try_catch/99
Link: https://lkml.kernel.org/r/fce40f8dbd160972fe01a1ff39d0c426c310e4b7.1662852281.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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/kasan/report_generic.c')
| -rw-r--r-- | mm/kasan/report_generic.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/kasan/report_generic.c b/mm/kasan/report_generic.c index 087c1d8c8145..043c94b04605 100644 --- a/mm/kasan/report_generic.c +++ b/mm/kasan/report_generic.c @@ -132,7 +132,8 @@ void kasan_complete_mode_report_info(struct kasan_report_info *info) struct kasan_alloc_meta *alloc_meta; struct kasan_free_meta *free_meta; - info->bug_type = get_bug_type(info); + if (!info->bug_type) + info->bug_type = get_bug_type(info); if (!info->cache || !info->object) return; |