Message ID | 20221121112134.407362-5-glider@google.com |
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State | Not Applicable |
Headers | show
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Mon, 21 Nov 2022 03:21:49 -0800 (PST) Date: Mon, 21 Nov 2022 12:21:34 +0100 In-Reply-To: <20221121112134.407362-1-glider@google.com> Mime-Version: 1.0 References: <20221121112134.407362-1-glider@google.com> X-Mailer: git-send-email 2.38.1.584.g0f3c55d4c2-goog Message-ID: <20221121112134.407362-5-glider@google.com> Subject: [PATCH 5/5] fs: hfsplus: initialize fsdata in hfsplus_file_truncate() From: Alexander Potapenko <glider@google.com> To: glider@google.com Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, tytso@mit.edu, adilger.kernel@dilger.ca, jaegeuk@kernel.org, chao@kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, Eric Biggers <ebiggers@kernel.org> Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-9.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-ext4.vger.kernel.org> X-Mailing-List: linux-ext4@vger.kernel.org |
Series |
[1/5] fs: ext4: initialize fsdata in pagecache_write()
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diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c index 721f779b4ec3e..7a542f3dbe502 100644 --- a/fs/hfsplus/extents.c +++ b/fs/hfsplus/extents.c @@ -554,7 +554,7 @@ void hfsplus_file_truncate(struct inode *inode) if (inode->i_size > hip->phys_size) { struct address_space *mapping = inode->i_mapping; struct page *page; - void *fsdata; + void *fsdata = NULL; loff_t size = inode->i_size; res = hfsplus_write_begin(NULL, mapping, size, 0,
When aops->write_begin() does not initialize fsdata, KMSAN may report an error passing the latter to aops->write_end(). Fix this by unconditionally initializing fsdata. Suggested-by: Eric Biggers <ebiggers@kernel.org> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Alexander Potapenko <glider@google.com> --- fs/hfsplus/extents.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)