6.18-stable review patch. If anyone has any objections, please let me know.
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From: Joseph Qi joseph.qi@linux.alibaba.com
[ Upstream commit c9dff86eb78a4b6b02b1e407993c946ccaf9bfb4 ]
Fields in ocfs2_dinode is little endian, covert to host endian when checking those contents.
Link: https://lkml.kernel.org/r/20251025123218.3997866-1-joseph.qi@linux.alibaba.c... Fixes: fdbb6cd96ed5 ("ocfs2: correct l_next_free_rec in online check") Signed-off-by: Joseph Qi joseph.qi@linux.alibaba.com Reviewed-by: Heming Zhao heming.zhao@suse.com Cc: Mark Fasheh mark@fasheh.com Cc: Joel Becker jlbec@evilplan.org Cc: Junxiao Bi junxiao.bi@oracle.com Cc: Changwei Ge gechangwei@live.cn Cc: Jun Piao piaojun@huawei.com Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- fs/ocfs2/inode.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index fcc89856ab95b..0a0a96054bfec 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -201,13 +201,15 @@ struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 blkno, unsigned flags, static int ocfs2_dinode_has_extents(struct ocfs2_dinode *di) { /* inodes flagged with other stuff in id2 */ - if (di->i_flags & (OCFS2_SUPER_BLOCK_FL | OCFS2_LOCAL_ALLOC_FL | - OCFS2_CHAIN_FL | OCFS2_DEALLOC_FL)) + if (le32_to_cpu(di->i_flags) & + (OCFS2_SUPER_BLOCK_FL | OCFS2_LOCAL_ALLOC_FL | OCFS2_CHAIN_FL | + OCFS2_DEALLOC_FL)) return 0; /* i_flags doesn't indicate when id2 is a fast symlink */ - if (S_ISLNK(di->i_mode) && di->i_size && di->i_clusters == 0) + if (S_ISLNK(le16_to_cpu(di->i_mode)) && le64_to_cpu(di->i_size) && + !le32_to_cpu(di->i_clusters)) return 0; - if (di->i_dyn_features & OCFS2_INLINE_DATA_FL) + if (le16_to_cpu(di->i_dyn_features) & OCFS2_INLINE_DATA_FL) return 0;
return 1;