From patchwork Sat Dec 2 21:22:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kees Cook X-Patchwork-Id: 13477076 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="YA5NcrkM" Received: from mail-io1-xd36.google.com (mail-io1-xd36.google.com [IPv6:2607:f8b0:4864:20::d36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E33C9134 for ; Sat, 2 Dec 2023 13:22:21 -0800 (PST) Received: by mail-io1-xd36.google.com with SMTP id ca18e2360f4ac-7b34c5d7ecdso124256539f.0 for ; Sat, 02 Dec 2023 13:22:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1701552141; x=1702156941; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=aLvxvckvyomlZOIIg4Wjwswvgj0BL428CVO+nAzlFtE=; b=YA5NcrkM5udEWaHHh2G+rmz62ChxvRvmbuIaxK6S0HmU0dsnoYprOaEiaJ+Bbj/pE0 X8/WCK0HfL43CDLXxWRUeqCFrVa9Xk5RwQEO79zs3ktain0CD+LqjL6cCUM3uEcRVFcX ADZbHiYgQnmAcZWmNncFbgqi6QMwCHkKl+XgY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701552141; x=1702156941; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=aLvxvckvyomlZOIIg4Wjwswvgj0BL428CVO+nAzlFtE=; b=Fct4B7Lrle/vkkk4MgERonMpE+m67oBS9oTL7mI0xCabo2g1l7bBtQ/gxRjM4448p4 OP8YT61wGidtFu0riPK05Uje10JCKvSGPVmUqWVL/SAmgZO/6azsDGPcpSTt8z25ob7p GuVBeF2SwL0lCuJn37qV5lv1lX2ca7q2q5hIWODL2N8h5pQtQMmOhle067Sr6EH7X5EH BpusOxonjbpfAPy3NL2pkUb+BcIImT9dGyMuQXGXes9mHTIl7/DARLmSFrc0Wqx6wIZF NZehjuugsw98uA1n+u8jPZvaWiKhdKjsoVx/osbm/sJuzp/eHbEQEzaGjks51rL8QY6c oMIA== X-Gm-Message-State: AOJu0Yzed8C9af9rBCNibo+UYqEbJiIA1s8BZ/9oJERd3wfhpiwicLB/ 20MKwyPlZqaVvvo7sQv5bphpXQ== X-Google-Smtp-Source: AGHT+IGtRLKSAKTdisrEu2j2CjbfWn28z6XUA+T3NZsmq5+CR4/UtQweJAgLKCPRmDEaHRBtmwe+zA== X-Received: by 2002:a5d:894b:0:b0:7b3:9256:628f with SMTP id b11-20020a5d894b000000b007b39256628fmr2310006iot.15.1701552141318; Sat, 02 Dec 2023 13:22:21 -0800 (PST) Received: from www.outflux.net (198-0-35-241-static.hfc.comcastbusiness.net. [198.0.35.241]) by smtp.gmail.com with ESMTPSA id j6-20020a170902c3c600b001cfd049528esm348997plj.110.2023.12.02.13.22.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 02 Dec 2023 13:22:18 -0800 (PST) From: Kees Cook To: "Guilherme G. Piccoli" Cc: Kees Cook , Christian Brauner , Peter Zijlstra , Alexander Viro , linux-fsdevel@vger.kernel.org, Tony Luck , linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: [PATCH 3/5] fs: Add DEFINE_FREE for struct inode Date: Sat, 2 Dec 2023 13:22:13 -0800 Message-Id: <20231202212217.243710-3-keescook@chromium.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231202211535.work.571-kees@kernel.org> References: <20231202211535.work.571-kees@kernel.org> Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=835; i=keescook@chromium.org; h=from:subject; bh=Vr7BZE93w9hrA2pgUGte2wnKY/rdltDnNWxbve4aQVs=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBla6AGSav5RcGFsYqI8ZI6gPChQFnsbC+3nI/Sq AQMSCvSeJuJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCZWugBgAKCRCJcvTf3G3A Ji1PD/97nsFeEYnRWCY5ijYm3HvFHnw2xsSeLfCgNERlEsvkDTZnVu32g862lrZ6hmNnj1/2WLY q5BTXJyqzwbbUg83+V4Z7IWpauoICvmh5nWCVw+d1swRjKLklznh+kH+lxKH782U5N+1W/bPv70 NdRhJBCPVOIeyBMGaFNtfbgw7Q7/MKTOSU/62VCry3sVE9fgDWP9DnB0W9/AVEf5mttk4aI+XJP Jf0b1606ZtWwo4iih+TPjLRID9WD2cRTVsaeRdH6h2sVpbIWtLfBMYm7MUT4xvIE/X34XC1XbGH /mFyNY6PyZyWNI/tRahhMjKTPtLuV+I51o3tpDU6ScYTIbUYyvn1SktT2ZE2PeBRIK7UUg8Kekf uMNNH7+hll0EcFYUEBOQ4ErCJ6guTCAIxc+68VotsoujHUSgriM/jZWU+UdawDQmyw5w2Zxt2fH io2IkOg0NktS5Lz/oNbESXSgqAIcAsWZYdpz8f5sULzKfDAWY9NZCkKawVLDlwQ3EVVq3ugJ4nO /+MhL408XJIGHI6nAbKY8QyfaPWyUeqbflROQiQEI6UVXEYbPuKogAFFyNGXqSlpZfzWjwQM12w tqybXEWAcWdB/zgRVWCl3j9u393bvwCn78YpxLSABa2mDjF9niWPVYIK3247bi3TGEcoqVKm7/q lL7bpxiJe0Uvk7A== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Allow __free(iput) markings for easier cleanup on inode allocations. Cc: Christian Brauner Cc: Peter Zijlstra (Intel) Cc: Alexander Viro Cc: linux-fsdevel@vger.kernel.org Signed-off-by: Kees Cook --- include/linux/fs.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index 98b7a7a8c42e..7c3eed3dd1bf 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2459,6 +2459,8 @@ extern int current_umask(void); extern void ihold(struct inode * inode); extern void iput(struct inode *); +DEFINE_FREE(iput, struct inode *, if (_T) iput(_T)) + int inode_update_timestamps(struct inode *inode, int flags); int generic_update_time(struct inode *, int);