From 888d57bbc91ebd031451d4ab1c669baee826a06c Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Wed, 10 Nov 2010 15:46:16 -0800 Subject: [PATCH] fs/ecryptfs: Add printf format/argument verification and fix fallout Add __attribute__((format... to __ecryptfs_printk Make formats and arguments match. Add casts to (unsigned long long) for %llu. Signed-off-by: Joe Perches [tyhicks: 80 columns cleanup and fixed typo] Signed-off-by: Tyler Hicks --- fs/ecryptfs/crypto.c | 26 ++++++++++++-------------- fs/ecryptfs/ecryptfs_kernel.h | 1 + fs/ecryptfs/file.c | 6 +++--- fs/ecryptfs/keystore.c | 6 +++--- fs/ecryptfs/main.c | 7 ++++--- fs/ecryptfs/mmap.c | 13 +++++++------ 6 files changed, 30 insertions(+), 29 deletions(-) diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index cbadc1bee6e7..57bdd7a13207 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -413,10 +413,9 @@ static int ecryptfs_encrypt_extent(struct page *enc_extent_page, rc = ecryptfs_derive_iv(extent_iv, crypt_stat, (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), - rc); + ecryptfs_printk(KERN_ERR, "Error attempting to derive IV for " + "extent [0x%.16llx]; rc = [%d]\n", + (unsigned long long)(extent_base + extent_offset), rc); goto out; } if (unlikely(ecryptfs_verbosity > 0)) { @@ -443,9 +442,9 @@ 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), - rc); + 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"); ecryptfs_dump_hex((char *)(page_address(enc_extent_page)), 8); @@ -540,10 +539,9 @@ static int ecryptfs_decrypt_extent(struct page *page, rc = ecryptfs_derive_iv(extent_iv, crypt_stat, (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), - rc); + ecryptfs_printk(KERN_ERR, "Error attempting to derive IV for " + "extent [0x%.16llx]; rc = [%d]\n", + (unsigned long long)(extent_base + extent_offset), rc); goto out; } if (unlikely(ecryptfs_verbosity > 0)) { @@ -571,9 +569,9 @@ 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), - rc); + 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"); ecryptfs_dump_hex((char *)(page_address(page) diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index bc530a81e4ce..dbc84ed96336 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -583,6 +583,7 @@ 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 e069e786da43..81e10e6a9443 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -241,9 +241,9 @@ 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 b1f6858a5223..25fd7f595c99 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 +1864,8 @@ 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 match.\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 19f04504f625..758323a0f09a 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -810,9 +810,10 @@ 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 b1d82756544b..4b9011392736 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) -- 2.34.1