From patchwork Mon Oct 31 18:25:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SeongJae Park X-Patchwork-Id: 13026258 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 BBDA8FA3741 for ; Mon, 31 Oct 2022 18:26:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230031AbiJaS0L (ORCPT ); Mon, 31 Oct 2022 14:26:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57338 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229457AbiJaS0K (ORCPT ); Mon, 31 Oct 2022 14:26:10 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CE6110FC8; Mon, 31 Oct 2022 11:26:06 -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 C0FFBB819DC; Mon, 31 Oct 2022 18:26:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C9C70C433C1; Mon, 31 Oct 2022 18:26:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1667240763; bh=G91I60Ol4QydHlf0mecqvnzRJ7lAwY37ycd5EgIHiNA=; h=From:To:Cc:Subject:Date:From; b=mwkrMkEzxQ2aBJiRdepyeP5t5fLzY4CAtpKfH6JMCnHZ/VQ+dYxFX0iCcFO5gFDix 02rFZKQTxdKHR/Lv8Jlcv2w+ShC0DPpVcYM2H876SKCw/B5ufMRO9bzaAQsd7iIpzP gUJ5v/jTtpxcpsrk8tH598uGrOb2BpzHxGQZafU/J2/QqS3D8D97kVy+K0Lt9b7Nf2 +A3s1Gu6nonRmiA5N7F+dp5FdSau3BRTLg4JaXOLU3PiDRT7bfDa01vdEK+l8oDm5R C8do+DA6t2WbL0Lq3UMSEOopPedqr40+hIGrdo+LpmjTud6HHXLACzH8+00cNo7dMg h14pnuSkhu3rw== 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: [PATCH 0/2] Fix slab-out-of-bounds Write in dbgfs_rm_context_write Date: Mon, 31 Oct 2022 18:25:52 +0000 Message-Id: <20221031182554.7882-1-sj@kernel.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org 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