commit e6275c4502b805327371e2bea7bb859b3ec00b00
author Andrey Konovalov <andreyknvl@google.com> Wed May 03 14:56:31 2017 -0700
committer Trilok Soni <tsoni@codeaurora.org> Mon May 08 17:35:47 2017 -0700
tree 522f86df82d2a083825772ecedee26954ab1d57d
parent 294a4862aa7eeec871b1c0610de269b565d84ed9

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.

Change-Id: Ifda131320065de9df00f4c8400d48ee97a0d90a5
Link: http://lkml.kernel.org/r/20170302134851.101218-4-andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-commit: b6b72f4919c121bee5890732e0b8de2ab99c8dbc
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>

mm/kasan/report.c

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index ff3a99b..0bc28b6 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -172,9 +172,9 @@
 	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;
 
@@ -196,10 +196,8 @@
 	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,