author: Gao Xiang <hsiangkao@redhat.com> 2021-03-29 08:36:14 +0800
committer: Gao Xiang <hsiangkao@redhat.com> 2021-03-29 10:20:45 +0800
commit: 24a806d849c0b0c1d0cd6a6b93ba4ae4c0ec9f08
parent: 8137824eddd2e790c61c70c20d70a087faca95fa
Commit Summary:
Diffstat:
1 file changed, 7 insertions, 0 deletions
diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c
index 119fdce1b520..7ed2d7391692 100644
--- a/fs/erofs/inode.c
+++ b/fs/erofs/inode.c
@@ -44,6 +44,13 @@ static struct page *erofs_read_inode(struct inode *inode,
dic = page_address(page) + *ofs;
ifmt = le16_to_cpu(dic->i_format);
+ if (ifmt & ~EROFS_I_ALL) {
+ erofs_err(inode->i_sb, "unsupported i_format %u of nid %llu",
+ ifmt, vi->nid);
+ err = -EOPNOTSUPP;
+ goto err_out;
+ }
+
vi->datalayout = erofs_inode_datalayout(ifmt);
if (vi->datalayout >= EROFS_INODE_DATALAYOUT_MAX) {
erofs_err(inode->i_sb, "unsupported datalayout %u of nid %llu",