On Tue, Mar 17, 2015 at 10:09:26PM -0400, Taesoo Kim wrote:
> When ubifs_init_security() fails, 'ui_mutex' is incorrectly
> unlocked and incorrectly restores 'i_size'. There are four
> such places that were introduce by the last commit.
"The last commit" is not very descriptive. Are you speaking of this
commit?
commit d7f0b70d30ffb9bbe6b8a3e1035cf0b79965ef53
Author: Subodh Nijsure <snijs...@grid-net.com>
Date: Fri Oct 31 13:50:30 2014 -0500
UBIFS: Add security.* XATTR support for the UBIFS
CC'ing authors/reviewers.
Brian
> Signed-off-by: Taesoo Kim <tsgat...@gmail.com>
> ---
> fs/ubifs/dir.c | 11 +++++++----
> 1 file changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
> index 0fa6c80..5b24bc4 100644
> --- a/fs/ubifs/dir.c
> +++ b/fs/ubifs/dir.c
> @@ -272,7 +272,7 @@ static int ubifs_create(struct inode *dir, struct dentry
> *dentry, umode_t mode,
>
> err = ubifs_init_security(dir, inode, &dentry->d_name);
> if (err)
> - goto out_cancel;
> + goto out_inode;
>
> mutex_lock(&dir_ui->ui_mutex);
> dir->i_size += sz_change;
> @@ -292,6 +292,7 @@ out_cancel:
> dir->i_size -= sz_change;
> dir_ui->ui_size = dir->i_size;
> mutex_unlock(&dir_ui->ui_mutex);
> +out_inode:
> make_bad_inode(inode);
> iput(inode);
> out_budg:
> @@ -732,7 +733,7 @@ static int ubifs_mkdir(struct inode *dir, struct dentry
> *dentry, umode_t mode)
>
> err = ubifs_init_security(dir, inode, &dentry->d_name);
> if (err)
> - goto out_cancel;
> + goto out_inode;
>
> mutex_lock(&dir_ui->ui_mutex);
> insert_inode_hash(inode);
> @@ -757,6 +758,7 @@ out_cancel:
> dir_ui->ui_size = dir->i_size;
> drop_nlink(dir);
> mutex_unlock(&dir_ui->ui_mutex);
> +out_inode:
> make_bad_inode(inode);
> iput(inode);
> out_budg:
> @@ -816,7 +818,7 @@ static int ubifs_mknod(struct inode *dir, struct dentry
> *dentry,
>
> err = ubifs_init_security(dir, inode, &dentry->d_name);
> if (err)
> - goto out_cancel;
> + goto out_inode;
>
> mutex_lock(&dir_ui->ui_mutex);
> dir->i_size += sz_change;
> @@ -836,6 +838,7 @@ out_cancel:
> dir->i_size -= sz_change;
> dir_ui->ui_size = dir->i_size;
> mutex_unlock(&dir_ui->ui_mutex);
> +out_inode:
> make_bad_inode(inode);
> iput(inode);
> out_budg:
> @@ -896,7 +899,7 @@ static int ubifs_symlink(struct inode *dir, struct dentry
> *dentry,
>
> err = ubifs_init_security(dir, inode, &dentry->d_name);
> if (err)
> - goto out_cancel;
> + goto out_inode;
>
> mutex_lock(&dir_ui->ui_mutex);
> dir->i_size += sz_change;
> --
> 2.3.3
>
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