From: Andrey Konovalov <andreyknvl@google.com>
To: Andrey Ryabinin <aryabinin@virtuozzo.com>,
Alexander Potapenko <glider@google.com>,
Dmitry Vyukov <dvyukov@google.com>,
kasan-dev@googlegroups.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Cc: Andrey Konovalov <andreyknvl@google.com>
Subject: [PATCH v2 3/9] kasan: change allocation and freeing stack traces headers
Date: Thu, 2 Mar 2017 14:48:45 +0100 [thread overview]
Message-ID: <20170302134851.101218-4-andreyknvl@google.com> (raw)
In-Reply-To: <20170302134851.101218-1-andreyknvl@google.com>
Change stack traces headers from:
Allocated:
PID = 42
to:
Allocated by task 42:
Makes the report one line shorter and look better.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
mm/kasan/report.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 34a6d1aec524..5922330237fd 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -175,9 +175,9 @@ static void kasan_end_report(unsigned long *flags)
kasan_enable_current();
}
-static void print_track(struct kasan_track *track)
+static void print_track(struct kasan_track *track, const char *prefix)
{
- pr_err("PID = %u\n", track->pid);
+ pr_err("%s by task %u:\n", prefix, track->pid);
if (track->stack) {
struct stack_trace trace;
@@ -199,10 +199,8 @@ static void kasan_object_err(struct kmem_cache *cache, void *object)
if (!(cache->flags & SLAB_KASAN))
return;
- pr_err("Allocated:\n");
- print_track(&alloc_info->alloc_track);
- pr_err("Freed:\n");
- print_track(&alloc_info->free_track);
+ print_track(&alloc_info->alloc_track, "Allocated");
+ print_track(&alloc_info->free_track, "Freed");
}
void kasan_report_double_free(struct kmem_cache *cache, void *object,
--
2.12.0.rc1.440.g5b76565f74-goog
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next prev parent reply other threads:[~2017-03-02 13:49 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-02 13:48 [PATCH v2 0/9] kasan: improve error reports Andrey Konovalov
2017-03-02 13:48 ` [PATCH v2 1/9] kasan: introduce helper functions for determining bug type Andrey Konovalov
2017-03-02 17:19 ` Alexander Potapenko
2017-03-03 13:15 ` Andrey Ryabinin
2017-03-02 13:48 ` [PATCH v2 2/9] kasan: unify report headers Andrey Konovalov
2017-03-02 13:48 ` Andrey Konovalov [this message]
2017-03-02 13:48 ` [PATCH v2 4/9] kasan: simplify address description logic Andrey Konovalov
2017-03-03 13:37 ` Andrey Ryabinin
2017-03-02 13:48 ` [PATCH v2 5/9] kasan: change report header Andrey Konovalov
2017-03-03 13:21 ` Andrey Ryabinin
2017-03-03 14:18 ` Andrey Konovalov
2017-03-03 14:18 ` Andrey Konovalov
2017-03-02 13:48 ` [PATCH v2 6/9] kasan: improve slab object description Andrey Konovalov
2017-03-03 13:31 ` Andrey Ryabinin
2017-03-03 13:52 ` Alexander Potapenko
2017-03-03 14:39 ` Andrey Ryabinin
2017-03-06 13:45 ` Andrey Konovalov
2017-03-06 16:12 ` Andrey Ryabinin
2017-03-06 17:05 ` Andrey Konovalov
2017-03-06 17:16 ` Andrey Konovalov
2017-03-09 12:56 ` Andrey Ryabinin
2017-03-14 17:15 ` Andrey Konovalov
2017-03-20 15:39 ` Andrey Ryabinin
2017-03-24 19:31 ` Andrey Konovalov
2017-03-02 13:48 ` [PATCH v2 7/9] kasan: print page description after stacks Andrey Konovalov
2017-03-02 13:48 ` [PATCH v2 8/9] kasan: improve double-free report format Andrey Konovalov
2017-03-02 13:48 ` [PATCH v2 9/9] kasan: separate report parts by empty lines Andrey Konovalov
2017-03-02 13:57 ` [PATCH v2 0/9] kasan: improve error reports Dmitry Vyukov
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