From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E54D6C433FE for ; Fri, 25 Mar 2022 22:43:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234015AbiCYWoq (ORCPT ); Fri, 25 Mar 2022 18:44:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55018 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234010AbiCYWoY (ORCPT ); Fri, 25 Mar 2022 18:44:24 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F8C120C1BE for ; Fri, 25 Mar 2022 15:42:49 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id D6AE7B82A33 for ; Fri, 25 Mar 2022 22:42:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 76507C004DD; Fri, 25 Mar 2022 22:42:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1648248166; bh=bZPvYNsodN/zgqDU6iAMZ+u7XMlWqNCFV3PEu9v5eJc=; h=Date:To:From:Subject:From; b=PmSwbCwnqNSzbU1zUnKHMKJvGUziUQS5ZjQDEb0Hj8Qw0eQxJXZBnDSh0C43hB36v bzgnWOCKOGPO5yJ0AA3fOFQZ3a3ix4B5Keceoh1zpYLGhb58zB26CunhCxOSpwVamL nOeCM/7v47h8uSdxQaPZEsz3IIXbvYz0iqUDwMJQ= Date: Fri, 25 Mar 2022 15:42:45 -0700 To: mm-commits@vger.kernel.org, ryabinin.a.a@gmail.com, glider@google.com, elver@google.com, dvyukov@google.com, andreyknvl@google.com, akpm@linux-foundation.org From: Andrew Morton Subject: [merged] kasan-simplify-async-check-in-end_report.patch removed from -mm tree Message-Id: <20220325224246.76507C004DD@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: kasan: simplify async check in end_report() has been removed from the -mm tree. Its filename was kasan-simplify-async-check-in-end_report.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Andrey Konovalov Subject: kasan: simplify async check in end_report() Currently, end_report() does not call trace_error_report_end() for bugs detected in either async or asymm mode (when kasan_async_fault_possible() returns true), as the address of the bad access might be unknown. However, for asymm mode, the address is known for faults triggered by read operations. Instead of using kasan_async_fault_possible(), simply check that the addr is not NULL when calling trace_error_report_end(). Link: https://lkml.kernel.org/r/1c8ce43f97300300e62c941181afa2eb738965c5.1646237226.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov Cc: Alexander Potapenko Cc: Andrey Ryabinin Cc: Dmitry Vyukov Cc: Marco Elver Signed-off-by: Andrew Morton --- mm/kasan/report.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/kasan/report.c~kasan-simplify-async-check-in-end_report +++ a/mm/kasan/report.c @@ -112,7 +112,7 @@ static void start_report(unsigned long * static void end_report(unsigned long *flags, unsigned long addr) { - if (!kasan_async_fault_possible()) + if (addr) trace_error_report_end(ERROR_DETECTOR_KASAN, addr); pr_err("==================================================================\n"); add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE); _ Patches currently in -mm which might be from andreyknvl@google.com are stacktrace-add-interface-based-on-shadow-call-stack.patch arm64-scs-save-scs_sp-values-per-cpu-when-switching-stacks.patch arm64-implement-stack_trace_save_shadow.patch kasan-use-stack_trace_save_shadow.patch