Message ID | 20201228191211.138300-4-ebiggers@kernel.org |
---|---|
State | Not Applicable |
Headers | show
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Mon, 28 Dec 2020 19:13:26 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ktxxF-00013d-Vm for linux-mtd@lists.infradead.org; Mon, 28 Dec 2020 19:13:19 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3A51022B2C; Mon, 28 Dec 2020 19:13:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1609182797; bh=IXmvQye9ZM3vzPLg/kY4jseJxfvpVBcbyPuNjzHTWF4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jQya9WijPGAu5QKp6aRvs3aDB653D8Hv76AV5phKUMDyWFMiaAg4MHTwjj1RBt+7M iyq/ZgVltry9M+5t2oZs30wMF/G6NKjpDSCP1XT4ZmTnB067VauLZvLoC91sIZm7iw rkxpkiOCBwKY6rs/hwNhLjIlse4VYM8/FyBwuFDsCrFl3caRxhXwwvflQNIoNXRn5N ZDtjg/qlyXGK7W8/kndpbTOxYKbUJvmR7QFeuUdu+YQ1SZCDndIiP2EQkHPrLdN9kJ gfuDSlv09IpTCUmUEzasmBHTocNpQCUBmrVFqWHIx7yE7hUOJk8jOcu73YMA8+60hO KxlKk0BLmhKuA== From: Eric Biggers <ebiggers@kernel.org> To: stable@vger.kernel.org Subject: [PATCH 4.19 3/4] f2fs: prevent creating duplicate encrypted filenames Date: Mon, 28 Dec 2020 11:12:10 -0800 Message-Id: <20201228191211.138300-4-ebiggers@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201228191211.138300-1-ebiggers@kernel.org> References: <20201228191211.138300-1-ebiggers@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201228_141318_278591_EE139C39 X-CRM114-Status: GOOD ( 11.67 ) X-Spam-Score: -2.9 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] 2.5 SUSPICIOUS_RECIPS Similar addresses in recipient list 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.2 DKIMWL_WL_HIGH DKIMwl.org - High trust sender X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list <linux-mtd.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-mtd/> List-Post: <mailto:linux-mtd@lists.infradead.org> List-Help: <mailto:linux-mtd-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe> Cc: linux-fscrypt@vger.kernel.org, linux-ext4@vger.kernel.org, linux-mtd@lists.infradead.org, linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" <linux-mtd-bounces@lists.infradead.org> Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
Series |
fscrypt: prevent creating duplicate encrypted filenames
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diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 53ffa6fe207a3..aacd8e11758ca 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2857,6 +2857,8 @@ bool f2fs_empty_dir(struct inode *dir); static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) { + if (fscrypt_is_nokey_name(dentry)) + return -ENOKEY; return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name, inode, inode->i_ino, inode->i_mode); }