Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757579Ab0KJXqd (ORCPT ); Wed, 10 Nov 2010 18:46:33 -0500 Received: from mail.perches.com ([173.55.12.10]:4951 "EHLO mail.perches.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757532Ab0KJXq2 (ORCPT ); Wed, 10 Nov 2010 18:46:28 -0500 From: Joe Perches To: linux-kernel@vger.kernel.org Cc: Tyler Hicks , Dustin Kirkland , ecryptfs-devel@lists.launchpad.net Subject: [PATCH 4/6] fs/ecryptfs: Add printf format/argument verification and fix fallout Date: Wed, 10 Nov 2010 15:46:16 -0800 Message-Id: <6a5c98af6411ff3e10973fde991fb42e34121e98.1289432524.git.joe@perches.com> X-Mailer: git-send-email 1.7.3.1.g432b3.dirty In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7568 Lines: 201 Add __attribute__((format... to __ecryptfs_printk Make formats and arguments match. Add casts to (unsigned long long) for %llu. Signed-off-by: Joe Perches --- fs/ecryptfs/crypto.c | 20 ++++++++++++-------- fs/ecryptfs/ecryptfs_kernel.h | 1 + fs/ecryptfs/file.c | 6 +++--- fs/ecryptfs/keystore.c | 7 ++++--- fs/ecryptfs/main.c | 7 ++++--- fs/ecryptfs/mmap.c | 13 +++++++------ 6 files changed, 31 insertions(+), 23 deletions(-) diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index cbadc1b..523bcb0 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -414,8 +414,9 @@ static int ecryptfs_encrypt_extent(struct page *enc_extent_page, (extent_base + extent_offset)); if (rc) { ecryptfs_printk(KERN_ERR, "Error attempting to " - "derive IV for extent [0x%.16x]; " - "rc = [%d]\n", (extent_base + extent_offset), + "derive IV for extent [0x%.16llx]; " + "rc = [%d]\n", + (unsigned long long)(extent_base + extent_offset), rc); goto out; } @@ -443,8 +444,9 @@ static int ecryptfs_encrypt_extent(struct page *enc_extent_page, } rc = 0; if (unlikely(ecryptfs_verbosity > 0)) { - ecryptfs_printk(KERN_DEBUG, "Encrypt extent [0x%.16x]; " - "rc = [%d]\n", (extent_base + extent_offset), + ecryptfs_printk(KERN_DEBUG, "Encrypt extent [0x%.16llx]; " + "rc = [%d]\n", + (unsigned long long)(extent_base + extent_offset), rc); ecryptfs_printk(KERN_DEBUG, "First 8 bytes after " "encryption:\n"); @@ -541,8 +543,9 @@ static int ecryptfs_decrypt_extent(struct page *page, (extent_base + extent_offset)); if (rc) { ecryptfs_printk(KERN_ERR, "Error attempting to " - "derive IV for extent [0x%.16x]; " - "rc = [%d]\n", (extent_base + extent_offset), + "derive IV for extent [0x%.16llx]; " + "rc = [%d]\n", + (unsigned long long)(extent_base + extent_offset), rc); goto out; } @@ -571,8 +574,9 @@ static int ecryptfs_decrypt_extent(struct page *page, } rc = 0; if (unlikely(ecryptfs_verbosity > 0)) { - ecryptfs_printk(KERN_DEBUG, "Decrypt extent [0x%.16x]; " - "rc = [%d]\n", (extent_base + extent_offset), + ecryptfs_printk(KERN_DEBUG, "Decrypt extent [0x%.16llx]; " + "rc = [%d]\n", + (unsigned long long)(extent_base + extent_offset), rc); ecryptfs_printk(KERN_DEBUG, "First 8 bytes after " "decryption:\n"); diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 413a3c4..86c7101 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -584,6 +584,7 @@ ecryptfs_set_dentry_lower_mnt(struct dentry *dentry, struct vfsmount *lower_mnt) #define ecryptfs_printk(type, fmt, arg...) \ __ecryptfs_printk(type "%s: " fmt, __func__, ## arg); +__attribute__ ((format(printf, 1, 2))) void __ecryptfs_printk(const char *fmt, ...); extern const struct file_operations ecryptfs_main_fops; diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 91da029..d445672 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -243,9 +243,9 @@ static int ecryptfs_open(struct inode *inode, struct file *file) } } mutex_unlock(&crypt_stat->cs_mutex); - ecryptfs_printk(KERN_DEBUG, "inode w/ addr = [0x%p], i_ino = [0x%.16x] " - "size: [0x%.16x]\n", inode, inode->i_ino, - i_size_read(inode)); + ecryptfs_printk(KERN_DEBUG, "inode w/ addr = [0x%p], i_ino = [0x%.16lx] " + "size: [0x%.16llx]\n", inode, inode->i_ino, + (unsigned long long)i_size_read(inode)); goto out; out_free: kmem_cache_free(ecryptfs_file_info_cache, diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index b1f6858..e73f24c 100644 --- a/fs/ecryptfs/keystore.c +++ b/fs/ecryptfs/keystore.c @@ -59,7 +59,7 @@ static int process_request_key_err(long err_code) break; default: ecryptfs_printk(KERN_WARNING, "Unknown error code: " - "[0x%.16x]\n", err_code); + "[0x%.16lx]\n", err_code); rc = -EINVAL; } return rc; @@ -1864,8 +1864,9 @@ found_matching_auth_tok: "session key for authentication token with sig " "[%.*s]; rc = [%d]. Removing auth tok " "candidate from the list and searching for " - "the next match.\n", candidate_auth_tok_sig, - ECRYPTFS_SIG_SIZE_HEX, rc); + "the next myouatch.\n", + ECRYPTFS_SIG_SIZE_HEX, candidate_auth_tok_sig, + rc); list_for_each_entry_safe(auth_tok_list_item, auth_tok_list_item_tmp, &auth_tok_list, list) { diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index a9dbd62..cfe636d 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -828,9 +828,10 @@ static int __init ecryptfs_init(void) ecryptfs_printk(KERN_ERR, "The eCryptfs extent size is " "larger than the host's page size, and so " "eCryptfs cannot run on this system. The " - "default eCryptfs extent size is [%d] bytes; " - "the page size is [%d] bytes.\n", - ECRYPTFS_DEFAULT_EXTENT_SIZE, PAGE_CACHE_SIZE); + "default eCryptfs extent size is [%u] bytes; " + "the page size is [%lu] bytes.\n", + ECRYPTFS_DEFAULT_EXTENT_SIZE, + (unsigned long)PAGE_CACHE_SIZE); goto out; } rc = ecryptfs_init_kmem_caches(); diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index b1d8275..667fc79 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -65,7 +65,7 @@ static int ecryptfs_writepage(struct page *page, struct writeback_control *wbc) rc = ecryptfs_encrypt_page(page); if (rc) { ecryptfs_printk(KERN_WARNING, "Error encrypting " - "page (upper index [0x%.16x])\n", page->index); + "page (upper index [0x%.16lx])\n", page->index); ClearPageUptodate(page); goto out; } @@ -237,7 +237,7 @@ out: ClearPageUptodate(page); else SetPageUptodate(page); - ecryptfs_printk(KERN_DEBUG, "Unlocking page with index = [0x%.16x]\n", + ecryptfs_printk(KERN_DEBUG, "Unlocking page with index = [0x%.16lx]\n", page->index); unlock_page(page); return rc; @@ -488,7 +488,7 @@ static int ecryptfs_write_end(struct file *file, } else ecryptfs_printk(KERN_DEBUG, "Not a new file\n"); ecryptfs_printk(KERN_DEBUG, "Calling fill_zeros_to_end_of_page" - "(page w/ index = [0x%.16x], to = [%d])\n", index, to); + "(page w/ index = [0x%.16lx], to = [%d])\n", index, to); if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) { rc = ecryptfs_write_lower_page_segment(ecryptfs_inode, page, 0, to); @@ -503,19 +503,20 @@ static int ecryptfs_write_end(struct file *file, rc = fill_zeros_to_end_of_page(page, to); if (rc) { ecryptfs_printk(KERN_WARNING, "Error attempting to fill " - "zeros in page with index = [0x%.16x]\n", index); + "zeros in page with index = [0x%.16lx]\n", index); goto out; } rc = ecryptfs_encrypt_page(page); if (rc) { ecryptfs_printk(KERN_WARNING, "Error encrypting page (upper " - "index [0x%.16x])\n", index); + "index [0x%.16lx])\n", index); goto out; } if (pos + copied > i_size_read(ecryptfs_inode)) { i_size_write(ecryptfs_inode, pos + copied); ecryptfs_printk(KERN_DEBUG, "Expanded file size to " - "[0x%.16x]\n", i_size_read(ecryptfs_inode)); + "[0x%.16llx]\n", + (unsigned long long)i_size_read(ecryptfs_inode)); } rc = ecryptfs_write_inode_size_to_metadata(ecryptfs_inode); if (rc) -- 1.7.3.1.g432b3.dirty -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/