Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752752AbdCBNtP (ORCPT ); Thu, 2 Mar 2017 08:49:15 -0500 Received: from mail-wm0-f42.google.com ([74.125.82.42]:35343 "EHLO mail-wm0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752628AbdCBNtH (ORCPT ); Thu, 2 Mar 2017 08:49:07 -0500 From: Andrey Konovalov To: Andrey Ryabinin , Alexander Potapenko , Dmitry Vyukov , kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Andrey Konovalov Subject: [PATCH v2 3/9] kasan: change allocation and freeing stack traces headers Date: Thu, 2 Mar 2017 14:48:45 +0100 Message-Id: <20170302134851.101218-4-andreyknvl@google.com> X-Mailer: git-send-email 2.12.0.rc1.440.g5b76565f74-goog In-Reply-To: <20170302134851.101218-1-andreyknvl@google.com> References: <20170302134851.101218-1-andreyknvl@google.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1271 Lines: 47 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 --- 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