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fs/ecryptfs: Add printf format/argument verification and fix fallout

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Add __attribute__((format... to __ecryptfs_printk
Make formats and arguments match.
Add casts to (unsigned long long) for %llu.

Signed-off-by: Joe Perches <joe@perches.com>
[tyhicks: 80 columns cleanup and fixed typo]
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
This commit is contained in:
Joe Perches 2010-11-10 15:46:16 -08:00 committed by Tyler Hicks
parent 0abe116947
commit 888d57bbc9
6 changed files with 30 additions and 29 deletions
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26
fs/ecryptfs/crypto.c
View File

@ -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)

1
fs/ecryptfs/ecryptfs_kernel.h
View File

@ -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;

6
fs/ecryptfs/file.c
View File

@ -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,

6
fs/ecryptfs/keystore.c
View File

@ -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) {

7
fs/ecryptfs/main.c
View File

@ -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();

13
fs/ecryptfs/mmap.c
View File

@ -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)