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| author | Tyler Hicks <tyhicks@linux.vnet.ibm.com> | 2011-05-24 03:49:02 -0500 |
|---|---|---|
| committer | Tyler Hicks <tyhicks@linux.vnet.ibm.com> | 2011-05-29 14:23:39 -0500 |
| commit | 3b06b3ebf44170c90c893c6c80916db6e922b9f2 (patch) | |
| tree | 1da70b311ad7ec7615f3d44ae269ca56a458fc2d /fs/ecryptfs/ecryptfs_kernel.h | |
| parent | 5ccf92037c7c6e6f28175fd245284923f939259f (diff) | |
| download | lwn-3b06b3ebf44170c90c893c6c80916db6e922b9f2.tar.gz lwn-3b06b3ebf44170c90c893c6c80916db6e922b9f2.zip | |
eCryptfs: Fix new inode race condition
Only unlock and d_add() new inodes after the plaintext inode size has
been read from the lower filesystem. This fixes a race condition that
was sometimes seen during a multi-job kernel build in an eCryptfs mount.
https://bugzilla.kernel.org/show_bug.cgi?id=36002
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Reported-by: David <david@unsolicited.net>
Tested-by: David <david@unsolicited.net>
Diffstat (limited to 'fs/ecryptfs/ecryptfs_kernel.h')
| -rw-r--r-- | fs/ecryptfs/ecryptfs_kernel.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 41a453236371..72aa24a4c71e 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -662,7 +662,7 @@ void ecryptfs_write_crypt_stat_flags(char *page_virt, int ecryptfs_read_and_validate_header_region(char *data, struct inode *ecryptfs_inode); int ecryptfs_read_and_validate_xattr_region(char *page_virt, - struct dentry *ecryptfs_dentry); + struct inode *inode); u8 ecryptfs_code_for_cipher_string(char *cipher_name, size_t key_bytes); int ecryptfs_cipher_code_to_string(char *str, u8 cipher_code); void ecryptfs_set_default_sizes(struct ecryptfs_crypt_stat *crypt_stat); @@ -753,7 +753,7 @@ int ecryptfs_privileged_open(struct file **lower_file, struct dentry *lower_dentry, struct vfsmount *lower_mnt, const struct cred *cred); -int ecryptfs_get_lower_file(struct dentry *ecryptfs_dentry); +int ecryptfs_get_lower_file(struct dentry *dentry, struct inode *inode); void ecryptfs_put_lower_file(struct inode *inode); int ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, |