fsck.f2fs: fix to recover out-of-border inline size
authorChao Yu <yuchao0@huawei.com>
Wed, 14 Aug 2019 08:44:26 +0000 (16:44 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Tue, 27 Aug 2019 21:51:05 +0000 (14:51 -0700)
It tries to let fsck be noticed wrong inline size, and do the fix.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fsck/fsck.c

index b4431de..22cd6ea 100644 (file)
@@ -771,6 +771,8 @@ void fsck_chk_inode_blk(struct f2fs_sb_info *sbi, u32 nid,
        ofs = get_extra_isize(node_blk);
 
        if ((node_blk->i.i_inline & F2FS_INLINE_DATA)) {
+               unsigned int inline_size = MAX_INLINE_DATA(node_blk);
+
                if (le32_to_cpu(node_blk->i.i_addr[ofs]) != 0) {
                        /* should fix this bug all the time */
                        FIX_MSG("inline_data has wrong 0'th block = %x",
@@ -779,6 +781,12 @@ void fsck_chk_inode_blk(struct f2fs_sb_info *sbi, u32 nid,
                        node_blk->i.i_blocks = cpu_to_le64(*blk_cnt);
                        need_fix = 1;
                }
+               if (i_size > inline_size) {
+                       node_blk->i.i_size = cpu_to_le64(inline_size);
+                       FIX_MSG("inline_data has wrong i_size %lu",
+                                               (unsigned long)i_size);
+                       need_fix = 1;
+               }
                if (!(node_blk->i.i_inline & F2FS_DATA_EXIST)) {
                        char buf[MAX_INLINE_DATA(node_blk)];
                        memset(buf, 0, MAX_INLINE_DATA(node_blk));