4.18-stable review patch. If anyone has any objections, please let me know.
------------------ From: Richard Weinberger <[email protected]> commit 00ee8b60102862f4daf0814d12a2ea2744fc0b9b upstream. We have to account the name of the symlink and not the target length. Fixes: ca7f85be8d6c ("ubifs: Add support for encrypted symlinks") Cc: <[email protected]> Signed-off-by: Richard Weinberger <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- fs/ubifs/dir.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -1123,8 +1123,7 @@ static int ubifs_symlink(struct inode *d struct ubifs_inode *ui; struct ubifs_inode *dir_ui = ubifs_inode(dir); struct ubifs_info *c = dir->i_sb->s_fs_info; - int err, len = strlen(symname); - int sz_change = CALC_DENT_SIZE(len); + int err, sz_change, len = strlen(symname); struct fscrypt_str disk_link; struct ubifs_budget_req req = { .new_ino = 1, .new_dent = 1, .new_ino_d = ALIGN(len, 8), @@ -1151,6 +1150,8 @@ static int ubifs_symlink(struct inode *d if (err) goto out_budg; + sz_change = CALC_DENT_SIZE(fname_len(&nm)); + inode = ubifs_new_inode(c, dir, S_IFLNK | S_IRWXUGO); if (IS_ERR(inode)) { err = PTR_ERR(inode);
