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| author | Andrey Konovalov <andreyknvl@google.com> | 2023-12-21 19:35:39 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-12-29 11:58:46 -0800 |
| commit | fd4064f69708bc84d960b666896715fe86882c85 (patch) | |
| tree | 3738f707c74a76bef3b9658ab895bcacb995cd7c /mm/kasan/tags.c | |
| parent | 04afc540e58e8f66fd85b0b88af3e8ce286be17c (diff) | |
| download | linux-stable-fd4064f69708bc84d960b666896715fe86882c85.tar.gz linux-stable-fd4064f69708bc84d960b666896715fe86882c85.tar.bz2 linux-stable-fd4064f69708bc84d960b666896715fe86882c85.zip | |
kasan: simplify saving extra info into tracks
Avoid duplicating code for saving extra info into tracks: reuse the common
function for this.
Link: https://lkml.kernel.org/r/20231221183540.168428-3-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 | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/mm/kasan/tags.c b/mm/kasan/tags.c index c4d14dbf27c0..d65d48b85f90 100644 --- a/mm/kasan/tags.c +++ b/mm/kasan/tags.c @@ -94,17 +94,6 @@ void __init kasan_init_tags(void) } } -#ifdef CONFIG_KASAN_EXTRA_INFO -static void save_extra_info(struct kasan_stack_ring_entry *entry) -{ - u32 cpu = raw_smp_processor_id(); - u64 ts_nsec = local_clock(); - - entry->track.cpu = cpu; - entry->track.timestamp = ts_nsec >> 3; -} -#endif /* CONFIG_KASAN_EXTRA_INFO */ - static void save_stack_info(struct kmem_cache *cache, void *object, gfp_t gfp_flags, bool is_free) { @@ -137,11 +126,7 @@ next: old_stack = entry->track.stack; entry->size = cache->object_size; - entry->track.pid = current->pid; - entry->track.stack = stack; -#ifdef CONFIG_KASAN_EXTRA_INFO - save_extra_info(entry); -#endif /* CONFIG_KASAN_EXTRA_INFO */ + kasan_set_track(&entry->track, stack); entry->is_free = is_free; entry->ptr = object; |