diff options
author | Andrey Konovalov <andreyknvl@google.com> | 2023-12-21 21:35:38 +0300 |
---|---|---|
committer | Andrew Morton <akpm@linux-foundation.org> | 2023-12-29 22:58:46 +0300 |
commit | 04afc540e58e8f66fd85b0b88af3e8ce286be17c (patch) | |
tree | 8a6fe1d3ac34ac7d7f851fa22d2cf94aa1822350 /mm/kasan/tags.c | |
parent | f6940e8adc64f584dcfb2960f6e4b6a54ea9c508 (diff) | |
download | linux-04afc540e58e8f66fd85b0b88af3e8ce286be17c.tar.xz |
kasan: reuse kasan_track in kasan_stack_ring_entry
Avoid duplicating fields of kasan_track in kasan_stack_ring_entry: reuse
the structure.
Link: https://lkml.kernel.org/r/20231221183540.168428-2-andrey.konovalov@linux.dev
Fixes: 5d4c6ac94694 ("kasan: record and report more information")
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>
Cc: Juntong Deng <juntong.deng@outlook.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/kasan/tags.c')
-rw-r--r-- | mm/kasan/tags.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/mm/kasan/tags.c b/mm/kasan/tags.c index c13b198b8302..c4d14dbf27c0 100644 --- a/mm/kasan/tags.c +++ b/mm/kasan/tags.c @@ -100,8 +100,8 @@ static void save_extra_info(struct kasan_stack_ring_entry *entry) u32 cpu = raw_smp_processor_id(); u64 ts_nsec = local_clock(); - entry->cpu = cpu; - entry->timestamp = ts_nsec >> 3; + entry->track.cpu = cpu; + entry->track.timestamp = ts_nsec >> 3; } #endif /* CONFIG_KASAN_EXTRA_INFO */ @@ -134,15 +134,15 @@ next: if (!try_cmpxchg(&entry->ptr, &old_ptr, STACK_RING_BUSY_PTR)) goto next; /* Busy slot. */ - old_stack = entry->stack; + old_stack = entry->track.stack; entry->size = cache->object_size; - entry->pid = current->pid; - entry->stack = stack; - entry->is_free = is_free; + entry->track.pid = current->pid; + entry->track.stack = stack; #ifdef CONFIG_KASAN_EXTRA_INFO save_extra_info(entry); #endif /* CONFIG_KASAN_EXTRA_INFO */ + entry->is_free = is_free; entry->ptr = object; |