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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id EDCDCC433FE for ; Thu, 3 Nov 2022 16:14:08 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5018C6B0072; Thu, 3 Nov 2022 12:14:08 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4B1F16B0073; Thu, 3 Nov 2022 12:14:08 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3A0C56B0074; Thu, 3 Nov 2022 12:14:08 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 2AA8C6B0072 for ; Thu, 3 Nov 2022 12:14:08 -0400 (EDT) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id E0D9D41430 for ; Thu, 3 Nov 2022 16:14:07 +0000 (UTC) X-FDA: 80092627734.07.BD9B54C Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf06.hostedemail.com (Postfix) with ESMTP id 718D2180007 for ; Thu, 3 Nov 2022 16:14:07 +0000 (UTC) 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 dfw.source.kernel.org (Postfix) with ESMTPS id 95D4A61F5C; Thu, 3 Nov 2022 16:14:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D08FBC433D6; Thu, 3 Nov 2022 16:14:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1667492045; bh=DLXNl9+4z7DavzpTnZ1L5p06FytfjA+p8ymjbqGgiS4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DXcfYRg4u0MvTij8P2JTHEeWP0/91Tl0qN/7YDQqapLGO0WNc04x6Jkw7yWvqfaKb 3drBgTSEo/41veHAOOT8o42eT20vFgQ7nTtnMclIqNYScaQcgwhUHYRD+ixpnh2ias ehJCwbepwh221nd+ZWppOUnA6uqEVsz3yw/qvKjTrVhgGf+kj92u9yh8pqh9Q23l8T LRazn2RIbIgH+fIpf+EMvN6lmCV80niZTe9G+VD7RNmZts8PzEcBHTDP2IsNW6lMMA lI6tG2Rvu4dh+r+T27x5WvCFEi9kKOd4+DbSojCZ9jwubhXwX5DxUYm/tXTK0qv1xv gGh6ay7EWDvIA== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , Shuah Khan , damon@lists.linux.dev, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] Fix slab-out-of-bounds Write in dbgfs_rm_context_write Date: Thu, 3 Nov 2022 16:14:03 +0000 Message-Id: <20221103161403.115053-1-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221031182554.7882-1-sj@kernel.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1667492047; a=rsa-sha256; cv=none; b=uc1+tCjQ+7+AYZlwictmmF9foTeSqazvQjc9F/6brL5ndfz77Kj3+9CE3cE7LkZKFQBwLL 7pcIuS1i2vCMEDtBbS5wVkukHIiEVgZzIytaa4WN6B8THC6x4rFdSiKsVEkqaW6U7TMTDq W6sPo+Xw+N4EpaX16xEkOqopqfO2Do0= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=DXcfYRg4; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf06.hostedemail.com: domain of sj@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=sj@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1667492047; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=FO9W2MWMH8h7J4JxBnr4mqmxcXlAlwYlQywU8CT4NFM=; b=RgxkXnthQ2mFMtIIz0P9KOtg9GrJc4+PMz/jikVORe2FUN85CwC+rgWohWMjuii3ZGgQ3O efR2oJ5m6yHbP5+BBgxZfgVsqz5FDoxRs1oTgurCW2PRU6O5cQI2xTzqsX/0IEOirCvcc+ Mpo0ANzxHQ3n/9bEjyt16CrmODI/6so= X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 718D2180007 X-Rspam-User: Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=DXcfYRg4; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf06.hostedemail.com: domain of sj@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=sj@kernel.org X-Stat-Signature: woakfc3zgznh4j6t4inwkroahtsjsy99 X-HE-Tag: 1667492047-211792 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Andrew, May I ask you to merge this fix in your tree if you have no concern for this? I think it deserves stable@. Thanks, SJ On Mon, 31 Oct 2022 18:25:52 +0000 SeongJae Park wrote: > This patchset is for fixing (patch 1) the syzbot-reported > slab-out-of-bounds write in dbgfs_rm_context_write[1], and adding a > selftest for the bug (patch 2). > > [1] https://lore.kernel.org/damon/000000000000ede3ac05ec4abf8e@google.com/ > > SeongJae Park (2): > mm/damon/dbgfs: check if rm_contexts input is for a real context > selftests/damon: test non-context inputs to rm_contexts file > > mm/damon/dbgfs.c | 7 +++++++ > tools/testing/selftests/damon/Makefile | 1 + > .../damon/debugfs_rm_non_contexts.sh | 19 +++++++++++++++++++ > 3 files changed, 27 insertions(+) > create mode 100755 tools/testing/selftests/damon/debugfs_rm_non_contexts.sh > > -- > 2.25.1