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[PATCH v4 3/9] kasan: change allocation and freeing stack traces headers

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  [PATCH v4 3/9] kasan: change allocation and freeing stack traces headers Andrey Konovalov <andreyknvl@google.com> - 2017-03-24 20:40 +0100

#1608927 — [PATCH v4 3/9] kasan: change allocation and freeing stack traces headers

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 fc0577d15671..382d4d2b9052 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,
-- 
2.12.1.578.ge9c3154ca4-goog

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