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authorTim Gardner <tim.gardner@canonical.com>2012-01-12 16:31:55 +0100
committerTyler Hicks <tyhicks@canonical.com>2012-01-25 14:43:38 -0600
commit30373dc0c87ffef68d5628e77d56ffb1fa22e1ee (patch)
tree77e8589ed03f3e362b728f08bdfd74a54963e54e
parent140941987f8f85ee7c7d4592ecb6667b32f3485d (diff)
ecryptfs: Improve metadata read failure logging
Print inode on metadata read failure. The only real way of dealing with metadata read failures is to delete the underlying file system file. Having the inode allows one to 'find . -inum INODE`. [tyhicks@canonical.com: Removed some minor not-for-stable parts] Signed-off-by: Tim Gardner <tim.gardner@canonical.com> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: stable@vger.kernel.org Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
-rw-r--r--fs/ecryptfs/crypto.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 2a834255c75..2bf52033538 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1620,7 +1620,8 @@ int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry)
rc = ecryptfs_read_xattr_region(page_virt, ecryptfs_inode);
if (rc) {
printk(KERN_DEBUG "Valid eCryptfs headers not found in "
- "file header region or xattr region\n");
+ "file header region or xattr region, inode %lu\n",
+ ecryptfs_inode->i_ino);
rc = -EINVAL;
goto out;
}
@@ -1629,7 +1630,8 @@ int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry)
ECRYPTFS_DONT_VALIDATE_HEADER_SIZE);
if (rc) {
printk(KERN_DEBUG "Valid eCryptfs headers not found in "
- "file xattr region either\n");
+ "file xattr region either, inode %lu\n",
+ ecryptfs_inode->i_ino);
rc = -EINVAL;
}
if (crypt_stat->mount_crypt_stat->flags
@@ -1640,7 +1642,8 @@ int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry)
"crypto metadata only in the extended attribute "
"region, but eCryptfs was mounted without "
"xattr support enabled. eCryptfs will not treat "
- "this like an encrypted file.\n");
+ "this like an encrypted file, inode %lu\n",
+ ecryptfs_inode->i_ino);
rc = -EINVAL;
}
}