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-rw-r--r--fs/f2fs/inode.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 22810d30c054..f490393397d4 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -193,9 +193,30 @@ void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page)
ri->i_inode_checksum = cpu_to_le32(f2fs_inode_chksum(sbi, page));
}
-static bool sanity_check_inode(struct inode *inode)
+static bool sanity_check_inode(struct inode *inode, struct page *node_page)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ unsigned long long iblocks;
+
+ iblocks = le64_to_cpu(F2FS_INODE(node_page)->i_blocks);
+ if (!iblocks) {
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ f2fs_msg(sbi->sb, KERN_WARNING,
+ "%s: corrupted inode i_blocks i_ino=%lx iblocks=%llu, "
+ "run fsck to fix.",
+ __func__, inode->i_ino, iblocks);
+ return false;
+ }
+
+ if (ino_of_node(node_page) != nid_of_node(node_page)) {
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ f2fs_msg(sbi->sb, KERN_WARNING,
+ "%s: corrupted inode footer i_ino=%lx, ino,nid: "
+ "[%u, %u] run fsck to fix.",
+ __func__, inode->i_ino,
+ ino_of_node(node_page), nid_of_node(node_page));
+ return false;
+ }
if (f2fs_sb_has_flexible_inline_xattr(sbi->sb)
&& !f2fs_has_extra_attr(inode)) {
@@ -267,7 +288,7 @@ static int do_read_inode(struct inode *inode)
get_inline_info(inode, ri);
- if (!sanity_check_inode(inode)) {
+ if (!sanity_check_inode(inode, node_page)) {
f2fs_put_page(node_page, 1);
return -EINVAL;
}